2 * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
31 #include "command-line.h"
34 #include "dynamic-string.h"
36 #include "ovsdb-data.h"
37 #include "ovsdb-idl.h"
38 #include "poll-loop.h"
41 #include "stream-ssl.h"
44 #include "lib/vswitch-idl.h"
51 VLOG_DEFINE_THIS_MODULE(vsctl);
53 /* vsctl_fatal() also logs the error, so it is preferred in this file. */
54 #define ovs_fatal please_use_vsctl_fatal_instead_of_ovs_fatal
58 /* A command supported by ovs-vsctl. */
59 struct vsctl_command_syntax {
60 const char *name; /* e.g. "add-br" */
61 int min_args; /* Min number of arguments following name. */
62 int max_args; /* Max number of arguments following name. */
64 /* If nonnull, calls ovsdb_idl_add_column() or ovsdb_idl_add_table() for
65 * each column or table in ctx->idl that it uses. */
66 void (*prerequisites)(struct vsctl_context *ctx);
68 /* Does the actual work of the command and puts the command's output, if
69 * any, in ctx->output or ctx->table.
71 * Alternatively, if some prerequisite of the command is not met and the
72 * caller should wait for something to change and then retry, it may set
73 * ctx->try_again to true. (Only the "wait-until" command currently does
75 void (*run)(struct vsctl_context *ctx);
77 /* If nonnull, called after the transaction has been successfully
78 * committed. ctx->output is the output from the "run" function, which
79 * this function may modify and otherwise postprocess as needed. (Only the
80 * "create" command currently does any postprocessing.) */
81 void (*postprocess)(struct vsctl_context *ctx);
83 /* A comma-separated list of supported options, e.g. "--a,--b", or the
84 * empty string if the command does not support any options. */
86 enum { RO, RW } mode; /* Does this command modify the database? */
89 struct vsctl_command {
90 /* Data that remains constant after initialization. */
91 const struct vsctl_command_syntax *syntax;
96 /* Data modified by commands. */
101 /* --db: The database server to contact. */
102 static const char *db;
104 /* --oneline: Write each command's output as a single line? */
107 /* --dry-run: Do not commit any changes. */
110 /* --no-wait: Wait for ovs-vswitchd to reload its configuration? */
111 static bool wait_for_reload = true;
113 /* --timeout: Time to wait for a connection to 'db'. */
116 /* Format for table output. */
117 static struct table_style table_style = TABLE_STYLE_DEFAULT;
119 /* All supported commands. */
120 static const struct vsctl_command_syntax all_commands[];
122 /* The IDL we're using and the current transaction, if any.
123 * This is for use by vsctl_exit() only, to allow it to clean up.
124 * Other code should use its context arguments. */
125 static struct ovsdb_idl *the_idl;
126 static struct ovsdb_idl_txn *the_idl_txn;
128 static void vsctl_exit(int status) NO_RETURN;
129 static void vsctl_fatal(const char *, ...) PRINTF_FORMAT(1, 2) NO_RETURN;
130 static char *default_db(void);
131 static void usage(void) NO_RETURN;
132 static void parse_options(int argc, char *argv[]);
133 static bool might_write_to_db(char **argv);
135 static struct vsctl_command *parse_commands(int argc, char *argv[],
136 size_t *n_commandsp);
137 static void parse_command(int argc, char *argv[], struct vsctl_command *);
138 static const struct vsctl_command_syntax *find_command(const char *name);
139 static void run_prerequisites(struct vsctl_command[], size_t n_commands,
141 static void do_vsctl(const char *args, struct vsctl_command *, size_t n,
144 static const struct vsctl_table_class *get_table(const char *table_name);
145 static void set_column(const struct vsctl_table_class *,
146 const struct ovsdb_idl_row *, const char *arg,
147 struct ovsdb_symbol_table *);
149 static bool is_condition_satisfied(const struct vsctl_table_class *,
150 const struct ovsdb_idl_row *,
152 struct ovsdb_symbol_table *);
155 main(int argc, char *argv[])
157 extern struct vlog_module VLM_reconnect;
158 struct ovsdb_idl *idl;
159 struct vsctl_command *commands;
164 set_program_name(argv[0]);
165 signal(SIGPIPE, SIG_IGN);
166 vlog_set_levels(NULL, VLF_CONSOLE, VLL_WARN);
167 vlog_set_levels(&VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
170 /* Log our arguments. This is often valuable for debugging systems. */
171 args = process_escape_args(argv);
172 VLOG(might_write_to_db(argv) ? VLL_INFO : VLL_DBG, "Called as %s", args);
174 /* Parse command line. */
175 parse_options(argc, argv);
176 commands = parse_commands(argc - optind, argv + optind, &n_commands);
182 /* Initialize IDL. */
183 idl = the_idl = ovsdb_idl_create(db, &ovsrec_idl_class, false);
184 run_prerequisites(commands, n_commands, idl);
186 /* Execute the commands.
188 * 'seqno' is the database sequence number for which we last tried to
189 * execute our transaction. There's no point in trying to commit more than
190 * once for any given sequence number, because if the transaction fails
191 * it's because the database changed and we need to obtain an up-to-date
192 * view of the database before we try the transaction again. */
193 seqno = ovsdb_idl_get_seqno(idl);
197 if (seqno != ovsdb_idl_get_seqno(idl)) {
198 seqno = ovsdb_idl_get_seqno(idl);
199 do_vsctl(args, commands, n_commands, idl);
202 if (seqno == ovsdb_idl_get_seqno(idl)) {
210 parse_options(int argc, char *argv[])
213 OPT_DB = UCHAR_MAX + 1,
222 static struct option long_options[] = {
223 {"db", required_argument, NULL, OPT_DB},
224 {"no-syslog", no_argument, NULL, OPT_NO_SYSLOG},
225 {"no-wait", no_argument, NULL, OPT_NO_WAIT},
226 {"dry-run", no_argument, NULL, OPT_DRY_RUN},
227 {"oneline", no_argument, NULL, OPT_ONELINE},
228 {"timeout", required_argument, NULL, 't'},
229 {"help", no_argument, NULL, 'h'},
230 {"version", no_argument, NULL, 'V'},
233 STREAM_SSL_LONG_OPTIONS,
234 {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT},
237 char *tmp, *short_options;
239 tmp = long_options_to_short_options(long_options);
240 short_options = xasprintf("+%s", tmp);
243 table_style.format = TF_LIST;
248 c = getopt_long(argc, argv, short_options, long_options, NULL);
263 vlog_set_levels(&VLM_vsctl, VLF_SYSLOG, VLL_WARN);
267 wait_for_reload = false;
278 ovs_print_version(0, 0);
282 timeout = strtoul(optarg, NULL, 10);
284 vsctl_fatal("value %s on -t or --timeout is invalid",
290 TABLE_OPTION_HANDLERS(&table_style)
292 STREAM_SSL_OPTION_HANDLERS
294 case OPT_PEER_CA_CERT:
295 stream_ssl_set_peer_ca_cert_file(optarg);
312 static struct vsctl_command *
313 parse_commands(int argc, char *argv[], size_t *n_commandsp)
315 struct vsctl_command *commands;
316 size_t n_commands, allocated_commands;
320 n_commands = allocated_commands = 0;
322 for (start = i = 0; i <= argc; i++) {
323 if (i == argc || !strcmp(argv[i], "--")) {
325 if (n_commands >= allocated_commands) {
326 struct vsctl_command *c;
328 commands = x2nrealloc(commands, &allocated_commands,
330 for (c = commands; c < &commands[n_commands]; c++) {
331 shash_moved(&c->options);
334 parse_command(i - start, &argv[start],
335 &commands[n_commands++]);
341 vsctl_fatal("missing command name (use --help for help)");
343 *n_commandsp = n_commands;
348 parse_command(int argc, char *argv[], struct vsctl_command *command)
350 const struct vsctl_command_syntax *p;
351 struct shash_node *node;
355 shash_init(&command->options);
356 for (i = 0; i < argc; i++) {
357 const char *option = argv[i];
361 if (option[0] != '-') {
365 equals = strchr(option, '=');
367 key = xmemdup0(option, equals - option);
368 value = xstrdup(equals + 1);
370 key = xstrdup(option);
374 if (shash_find(&command->options, key)) {
375 vsctl_fatal("'%s' option specified multiple times", argv[i]);
377 shash_add_nocopy(&command->options, key, value);
380 vsctl_fatal("missing command name");
383 p = find_command(argv[i]);
385 vsctl_fatal("unknown command '%s'; use --help for help", argv[i]);
388 SHASH_FOR_EACH (node, &command->options) {
389 const char *s = strstr(p->options, node->name);
390 int end = s ? s[strlen(node->name)] : EOF;
392 if (end != '=' && end != ',' && end != ' ' && end != '\0') {
393 vsctl_fatal("'%s' command has no '%s' option",
394 argv[i], node->name);
396 if ((end == '=') != (node->data != NULL)) {
398 vsctl_fatal("missing argument to '%s' option on '%s' "
399 "command", node->name, argv[i]);
401 vsctl_fatal("'%s' option on '%s' does not accept an "
402 "argument", node->name, argv[i]);
407 n_arg = argc - i - 1;
408 if (n_arg < p->min_args) {
409 vsctl_fatal("'%s' command requires at least %d arguments",
410 p->name, p->min_args);
411 } else if (n_arg > p->max_args) {
414 for (j = i + 1; j < argc; j++) {
415 if (argv[j][0] == '-') {
416 vsctl_fatal("'%s' command takes at most %d arguments "
417 "(note that options must precede command "
418 "names and follow a \"--\" argument)",
419 p->name, p->max_args);
423 vsctl_fatal("'%s' command takes at most %d arguments",
424 p->name, p->max_args);
428 command->argc = n_arg + 1;
429 command->argv = &argv[i];
432 /* Returns the "struct vsctl_command_syntax" for a given command 'name', or a
433 * null pointer if there is none. */
434 static const struct vsctl_command_syntax *
435 find_command(const char *name)
437 static struct shash commands = SHASH_INITIALIZER(&commands);
439 if (shash_is_empty(&commands)) {
440 const struct vsctl_command_syntax *p;
442 for (p = all_commands; p->name; p++) {
443 shash_add_assert(&commands, p->name, p);
447 return shash_find_data(&commands, name);
451 vsctl_fatal(const char *format, ...)
456 va_start(args, format);
457 message = xvasprintf(format, args);
460 vlog_set_levels(&VLM_vsctl, VLF_CONSOLE, VLL_OFF);
461 VLOG_ERR("%s", message);
462 ovs_error(0, "%s", message);
463 vsctl_exit(EXIT_FAILURE);
466 /* Frees the current transaction and the underlying IDL and then calls
469 * Freeing the transaction and the IDL is not strictly necessary, but it makes
470 * for a clean memory leak report from valgrind in the normal case. That makes
471 * it easier to notice real memory leaks. */
473 vsctl_exit(int status)
476 ovsdb_idl_txn_abort(the_idl_txn);
477 ovsdb_idl_txn_destroy(the_idl_txn);
479 ovsdb_idl_destroy(the_idl);
487 %s: ovs-vswitchd management utility\n\
488 usage: %s [OPTIONS] COMMAND [ARG...]\n\
490 Open vSwitch commands:\n\
491 init initialize database, if not yet initialized\n\
492 show print overview of database contents\n\
493 emer-reset reset configuration to clean state\n\
496 add-br BRIDGE create a new bridge named BRIDGE\n\
497 add-br BRIDGE PARENT VLAN create new fake BRIDGE in PARENT on VLAN\n\
498 del-br BRIDGE delete BRIDGE and all of its ports\n\
499 list-br print the names of all the bridges\n\
500 br-exists BRIDGE exit 2 if BRIDGE does not exist\n\
501 br-to-vlan BRIDGE print the VLAN which BRIDGE is on\n\
502 br-to-parent BRIDGE print the parent of BRIDGE\n\
503 br-set-external-id BRIDGE KEY VALUE set KEY on BRIDGE to VALUE\n\
504 br-set-external-id BRIDGE KEY unset KEY on BRIDGE\n\
505 br-get-external-id BRIDGE KEY print value of KEY on BRIDGE\n\
506 br-get-external-id BRIDGE list key-value pairs on BRIDGE\n\
508 Port commands (a bond is considered to be a single port):\n\
509 list-ports BRIDGE print the names of all the ports on BRIDGE\n\
510 add-port BRIDGE PORT add network device PORT to BRIDGE\n\
511 add-bond BRIDGE PORT IFACE... add bonded port PORT in BRIDGE from IFACES\n\
512 del-port [BRIDGE] PORT delete PORT (which may be bonded) from BRIDGE\n\
513 port-to-br PORT print name of bridge that contains PORT\n\
515 Interface commands (a bond consists of multiple interfaces):\n\
516 list-ifaces BRIDGE print the names of all interfaces on BRIDGE\n\
517 iface-to-br IFACE print name of bridge that contains IFACE\n\
519 Controller commands:\n\
520 get-controller BRIDGE print the controllers for BRIDGE\n\
521 del-controller BRIDGE delete the controllers for BRIDGE\n\
522 set-controller BRIDGE TARGET... set the controllers for BRIDGE\n\
523 get-fail-mode BRIDGE print the fail-mode for BRIDGE\n\
524 del-fail-mode BRIDGE delete the fail-mode for BRIDGE\n\
525 set-fail-mode BRIDGE MODE set the fail-mode for BRIDGE to MODE\n\
528 get-manager print the managers\n\
529 del-manager delete the managers\n\
530 set-manager TARGET... set the list of managers to TARGET...\n\
533 get-ssl print the SSL configuration\n\
534 del-ssl delete the SSL configuration\n\
535 set-ssl PRIV-KEY CERT CA-CERT set the SSL configuration\n\
538 emer-reset reset switch to known good state\n\
540 Database commands:\n\
541 list TBL [REC] list RECord (or all records) in TBL\n\
542 find TBL CONDITION... list records satisfying CONDITION in TBL\n\
543 get TBL REC COL[:KEY] print values of COLumns in RECord in TBL\n\
544 set TBL REC COL[:KEY]=VALUE set COLumn values in RECord in TBL\n\
545 add TBL REC COL [KEY=]VALUE add (KEY=)VALUE to COLumn in RECord in TBL\n\
546 remove TBL REC COL [KEY=]VALUE remove (KEY=)VALUE from COLumn\n\
547 clear TBL REC COL clear values from COLumn in RECord in TBL\n\
548 create TBL COL[:KEY]=VALUE create and initialize new record\n\
549 destroy TBL REC delete RECord from TBL\n\
550 wait-until TBL REC [COL[:KEY]=VALUE] wait until condition is true\n\
551 Potentially unsafe database commands require --force option.\n\
554 --db=DATABASE connect to DATABASE\n\
556 --no-wait do not wait for ovs-vswitchd to reconfigure\n\
557 -t, --timeout=SECS wait at most SECS seconds for ovs-vswitchd\n\
558 --dry-run do not commit changes to database\n\
559 --oneline print exactly one line of output per command\n",
560 program_name, program_name, default_db());
563 --no-syslog equivalent to --verbose=vsctl:syslog:warn\n");
564 stream_usage("database", true, true, false);
567 -h, --help display this help message\n\
568 -V, --version display version information\n");
577 def = xasprintf("unix:%s/db.sock", ovs_rundir());
582 /* Returns true if it looks like this set of arguments might modify the
583 * database, otherwise false. (Not very smart, so it's prone to false
586 might_write_to_db(char **argv)
588 for (; *argv; argv++) {
589 const struct vsctl_command_syntax *p = find_command(*argv);
590 if (p && p->mode == RW) {
597 struct vsctl_context {
601 struct shash options;
603 /* Modifiable state. */
606 struct ovsdb_idl *idl;
607 struct ovsdb_idl_txn *txn;
608 struct ovsdb_symbol_table *symtab;
609 const struct ovsrec_open_vswitch *ovs;
612 /* A cache of the contents of the database.
614 * A command that needs to use any of this information must first call
615 * vsctl_context_populate_cache(). A command that changes anything that
616 * could invalidate the cache must either call
617 * vsctl_context_invalidate_cache() or manually update the cache to
618 * maintain its correctness. */
620 struct shash bridges; /* Maps from bridge name to struct vsctl_bridge. */
621 struct shash ports; /* Maps from port name to struct vsctl_port. */
622 struct shash ifaces; /* Maps from port name to struct vsctl_iface. */
624 /* A command may set this member to true if some prerequisite is not met
625 * and the caller should wait for something to change and then retry. */
629 struct vsctl_bridge {
630 struct ovsrec_bridge *br_cfg;
633 /* VLAN ("fake") bridge support.
635 * Use 'parent != NULL' to detect a fake bridge, because 'vlan' can be 0
637 struct vsctl_bridge *parent; /* Real bridge, or NULL. */
638 int vlan; /* VLAN VID (0...4095), or 0. */
642 struct ovsrec_port *port_cfg;
643 struct vsctl_bridge *bridge;
647 struct ovsrec_interface *iface_cfg;
648 struct vsctl_port *port;
652 vsctl_context_to_string(const struct vsctl_context *ctx)
654 const struct shash_node *node;
660 SHASH_FOR_EACH (node, &ctx->options) {
661 svec_add(&words, node->name);
663 for (i = 0; i < ctx->argc; i++) {
664 svec_add(&words, ctx->argv[i]);
666 svec_terminate(&words);
668 s = process_escape_args(words.names);
670 svec_destroy(&words);
676 verify_ports(struct vsctl_context *ctx)
678 if (!ctx->verified_ports) {
679 const struct ovsrec_bridge *bridge;
680 const struct ovsrec_port *port;
682 ovsrec_open_vswitch_verify_bridges(ctx->ovs);
683 OVSREC_BRIDGE_FOR_EACH (bridge, ctx->idl) {
684 ovsrec_bridge_verify_ports(bridge);
686 OVSREC_PORT_FOR_EACH (port, ctx->idl) {
687 ovsrec_port_verify_interfaces(port);
690 ctx->verified_ports = true;
694 static struct vsctl_bridge *
695 add_bridge(struct vsctl_context *ctx,
696 struct ovsrec_bridge *br_cfg, const char *name,
697 struct vsctl_bridge *parent, int vlan)
699 struct vsctl_bridge *br = xmalloc(sizeof *br);
701 br->name = xstrdup(name);
704 shash_add(&ctx->bridges, br->name, br);
709 port_is_fake_bridge(const struct ovsrec_port *port_cfg)
711 return (port_cfg->fake_bridge
713 && *port_cfg->tag >= 0 && *port_cfg->tag <= 4095);
716 static struct vsctl_bridge *
717 find_vlan_bridge(struct vsctl_context *ctx,
718 struct vsctl_bridge *parent, int vlan)
720 struct shash_node *node;
722 SHASH_FOR_EACH (node, &ctx->bridges) {
723 struct vsctl_bridge *br = node->data;
724 if (br->parent == parent && br->vlan == vlan) {
733 vsctl_context_invalidate_cache(struct vsctl_context *ctx)
735 struct shash_node *node;
737 if (!ctx->cache_valid) {
740 ctx->cache_valid = false;
742 SHASH_FOR_EACH (node, &ctx->bridges) {
743 struct vsctl_bridge *bridge = node->data;
747 shash_destroy(&ctx->bridges);
749 shash_destroy_free_data(&ctx->ports);
750 shash_destroy_free_data(&ctx->ifaces);
754 pre_get_info(struct vsctl_context *ctx)
756 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_bridges);
758 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_name);
759 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
760 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
761 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_ports);
763 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_name);
764 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_fake_bridge);
765 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_tag);
766 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_interfaces);
768 ovsdb_idl_add_column(ctx->idl, &ovsrec_interface_col_name);
772 vsctl_context_populate_cache(struct vsctl_context *ctx)
774 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
775 struct sset bridges, ports;
778 if (ctx->cache_valid) {
779 /* Cache is already populated. */
782 ctx->cache_valid = true;
783 shash_init(&ctx->bridges);
784 shash_init(&ctx->ports);
785 shash_init(&ctx->ifaces);
789 for (i = 0; i < ovs->n_bridges; i++) {
790 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
791 struct vsctl_bridge *br;
794 if (!sset_add(&bridges, br_cfg->name)) {
795 VLOG_WARN("%s: database contains duplicate bridge name",
799 br = add_bridge(ctx, br_cfg, br_cfg->name, NULL, 0);
804 for (j = 0; j < br_cfg->n_ports; j++) {
805 struct ovsrec_port *port_cfg = br_cfg->ports[j];
807 if (!sset_add(&ports, port_cfg->name)) {
808 /* Duplicate port name. (We will warn about that later.) */
812 if (port_is_fake_bridge(port_cfg)
813 && sset_add(&bridges, port_cfg->name)) {
814 add_bridge(ctx, NULL, port_cfg->name, br, *port_cfg->tag);
818 sset_destroy(&bridges);
819 sset_destroy(&ports);
822 for (i = 0; i < ovs->n_bridges; i++) {
823 struct ovsrec_bridge *br_cfg = ovs->bridges[i];
824 struct vsctl_bridge *br;
827 if (!sset_add(&bridges, br_cfg->name)) {
830 br = shash_find_data(&ctx->bridges, br_cfg->name);
831 for (j = 0; j < br_cfg->n_ports; j++) {
832 struct ovsrec_port *port_cfg = br_cfg->ports[j];
833 struct vsctl_port *port;
836 port = shash_find_data(&ctx->ports, port_cfg->name);
838 if (port_cfg == port->port_cfg) {
839 VLOG_WARN("%s: port is in multiple bridges (%s and %s)",
840 port_cfg->name, br->name, port->bridge->name);
842 /* Log as an error because this violates the database's
843 * uniqueness constraints, so the database server shouldn't
844 * have allowed it. */
845 VLOG_ERR("%s: database contains duplicate port name",
851 if (port_is_fake_bridge(port_cfg)
852 && !sset_add(&bridges, port_cfg->name)) {
856 port = xmalloc(sizeof *port);
857 port->port_cfg = port_cfg;
859 && *port_cfg->tag >= 0 && *port_cfg->tag <= 4095) {
860 port->bridge = find_vlan_bridge(ctx, br, *port_cfg->tag);
867 shash_add(&ctx->ports, port_cfg->name, port);
869 for (k = 0; k < port_cfg->n_interfaces; k++) {
870 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
871 struct vsctl_iface *iface;
873 iface = shash_find_data(&ctx->ifaces, iface_cfg->name);
875 if (iface_cfg == iface->iface_cfg) {
876 VLOG_WARN("%s: interface is in multiple ports "
879 iface->port->port_cfg->name,
880 port->port_cfg->name);
882 /* Log as an error because this violates the database's
883 * uniqueness constraints, so the database server
884 * shouldn't have allowed it. */
885 VLOG_ERR("%s: database contains duplicate interface "
886 "name", iface_cfg->name);
891 iface = xmalloc(sizeof *iface);
892 iface->iface_cfg = iface_cfg;
894 shash_add(&ctx->ifaces, iface_cfg->name, iface);
898 sset_destroy(&bridges);
902 check_conflicts(struct vsctl_context *ctx, const char *name,
905 struct vsctl_iface *iface;
906 struct vsctl_port *port;
910 if (shash_find(&ctx->bridges, name)) {
911 vsctl_fatal("%s because a bridge named %s already exists",
915 port = shash_find_data(&ctx->ports, name);
917 vsctl_fatal("%s because a port named %s already exists on "
918 "bridge %s", msg, name, port->bridge->name);
921 iface = shash_find_data(&ctx->ifaces, name);
923 vsctl_fatal("%s because an interface named %s already exists "
924 "on bridge %s", msg, name, iface->port->bridge->name);
930 static struct vsctl_bridge *
931 find_bridge(struct vsctl_context *ctx, const char *name, bool must_exist)
933 struct vsctl_bridge *br;
935 assert(ctx->cache_valid);
937 br = shash_find_data(&ctx->bridges, name);
938 if (must_exist && !br) {
939 vsctl_fatal("no bridge named %s", name);
941 ovsrec_open_vswitch_verify_bridges(ctx->ovs);
945 static struct vsctl_bridge *
946 find_real_bridge(struct vsctl_context *ctx, const char *name, bool must_exist)
948 struct vsctl_bridge *br = find_bridge(ctx, name, must_exist);
949 if (br && br->parent) {
950 vsctl_fatal("%s is a fake bridge", name);
955 static struct vsctl_port *
956 find_port(struct vsctl_context *ctx, const char *name, bool must_exist)
958 struct vsctl_port *port;
960 assert(ctx->cache_valid);
962 port = shash_find_data(&ctx->ports, name);
963 if (port && !strcmp(name, port->bridge->name)) {
966 if (must_exist && !port) {
967 vsctl_fatal("no port named %s", name);
973 static struct vsctl_iface *
974 find_iface(struct vsctl_context *ctx, const char *name, bool must_exist)
976 struct vsctl_iface *iface;
978 assert(ctx->cache_valid);
980 iface = shash_find_data(&ctx->ifaces, name);
981 if (iface && !strcmp(name, iface->port->bridge->name)) {
984 if (must_exist && !iface) {
985 vsctl_fatal("no interface named %s", name);
992 bridge_insert_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
994 struct ovsrec_port **ports;
997 ports = xmalloc(sizeof *br->ports * (br->n_ports + 1));
998 for (i = 0; i < br->n_ports; i++) {
999 ports[i] = br->ports[i];
1001 ports[br->n_ports] = port;
1002 ovsrec_bridge_set_ports(br, ports, br->n_ports + 1);
1007 bridge_delete_port(struct ovsrec_bridge *br, struct ovsrec_port *port)
1009 struct ovsrec_port **ports;
1012 ports = xmalloc(sizeof *br->ports * br->n_ports);
1013 for (i = n = 0; i < br->n_ports; i++) {
1014 if (br->ports[i] != port) {
1015 ports[n++] = br->ports[i];
1018 ovsrec_bridge_set_ports(br, ports, n);
1023 ovs_insert_bridge(const struct ovsrec_open_vswitch *ovs,
1024 struct ovsrec_bridge *bridge)
1026 struct ovsrec_bridge **bridges;
1029 bridges = xmalloc(sizeof *ovs->bridges * (ovs->n_bridges + 1));
1030 for (i = 0; i < ovs->n_bridges; i++) {
1031 bridges[i] = ovs->bridges[i];
1033 bridges[ovs->n_bridges] = bridge;
1034 ovsrec_open_vswitch_set_bridges(ovs, bridges, ovs->n_bridges + 1);
1039 ovs_delete_bridge(const struct ovsrec_open_vswitch *ovs,
1040 struct ovsrec_bridge *bridge)
1042 struct ovsrec_bridge **bridges;
1045 bridges = xmalloc(sizeof *ovs->bridges * ovs->n_bridges);
1046 for (i = n = 0; i < ovs->n_bridges; i++) {
1047 if (ovs->bridges[i] != bridge) {
1048 bridges[n++] = ovs->bridges[i];
1051 ovsrec_open_vswitch_set_bridges(ovs, bridges, n);
1056 cmd_init(struct vsctl_context *ctx OVS_UNUSED)
1060 struct cmd_show_table {
1061 const struct ovsdb_idl_table_class *table;
1062 const struct ovsdb_idl_column *name_column;
1063 const struct ovsdb_idl_column *columns[3];
1067 static struct cmd_show_table cmd_show_tables[] = {
1068 {&ovsrec_table_open_vswitch,
1070 {&ovsrec_open_vswitch_col_manager_options,
1071 &ovsrec_open_vswitch_col_bridges,
1072 &ovsrec_open_vswitch_col_ovs_version},
1075 {&ovsrec_table_bridge,
1076 &ovsrec_bridge_col_name,
1077 {&ovsrec_bridge_col_controller,
1078 &ovsrec_bridge_col_fail_mode,
1079 &ovsrec_bridge_col_ports},
1082 {&ovsrec_table_port,
1083 &ovsrec_port_col_name,
1084 {&ovsrec_port_col_tag,
1085 &ovsrec_port_col_trunks,
1086 &ovsrec_port_col_interfaces},
1089 {&ovsrec_table_interface,
1090 &ovsrec_interface_col_name,
1091 {&ovsrec_interface_col_type,
1092 &ovsrec_interface_col_options,
1096 {&ovsrec_table_controller,
1097 &ovsrec_controller_col_target,
1098 {&ovsrec_controller_col_is_connected,
1103 {&ovsrec_table_manager,
1104 &ovsrec_manager_col_target,
1105 {&ovsrec_manager_col_is_connected,
1112 pre_cmd_show(struct vsctl_context *ctx)
1114 struct cmd_show_table *show;
1116 for (show = cmd_show_tables;
1117 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1121 ovsdb_idl_add_table(ctx->idl, show->table);
1122 if (show->name_column) {
1123 ovsdb_idl_add_column(ctx->idl, show->name_column);
1125 for (i = 0; i < ARRAY_SIZE(show->columns); i++) {
1126 const struct ovsdb_idl_column *column = show->columns[i];
1128 ovsdb_idl_add_column(ctx->idl, column);
1134 static struct cmd_show_table *
1135 cmd_show_find_table_by_row(const struct ovsdb_idl_row *row)
1137 struct cmd_show_table *show;
1139 for (show = cmd_show_tables;
1140 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1142 if (show->table == row->table->class) {
1149 static struct cmd_show_table *
1150 cmd_show_find_table_by_name(const char *name)
1152 struct cmd_show_table *show;
1154 for (show = cmd_show_tables;
1155 show < &cmd_show_tables[ARRAY_SIZE(cmd_show_tables)];
1157 if (!strcmp(show->table->name, name)) {
1165 cmd_show_row(struct vsctl_context *ctx, const struct ovsdb_idl_row *row,
1168 struct cmd_show_table *show = cmd_show_find_table_by_row(row);
1171 ds_put_char_multiple(&ctx->output, ' ', level * 4);
1172 if (show && show->name_column) {
1173 const struct ovsdb_datum *datum;
1175 ds_put_format(&ctx->output, "%s ", show->table->name);
1176 datum = ovsdb_idl_read(row, show->name_column);
1177 ovsdb_datum_to_string(datum, &show->name_column->type, &ctx->output);
1179 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
1181 ds_put_char(&ctx->output, '\n');
1183 if (!show || show->recurse) {
1187 show->recurse = true;
1188 for (i = 0; i < ARRAY_SIZE(show->columns); i++) {
1189 const struct ovsdb_idl_column *column = show->columns[i];
1190 const struct ovsdb_datum *datum;
1196 datum = ovsdb_idl_read(row, column);
1197 if (column->type.key.type == OVSDB_TYPE_UUID &&
1198 column->type.key.u.uuid.refTableName) {
1199 struct cmd_show_table *ref_show;
1202 ref_show = cmd_show_find_table_by_name(
1203 column->type.key.u.uuid.refTableName);
1205 for (j = 0; j < datum->n; j++) {
1206 const struct ovsdb_idl_row *ref_row;
1208 ref_row = ovsdb_idl_get_row_for_uuid(ctx->idl,
1210 &datum->keys[j].uuid);
1212 cmd_show_row(ctx, ref_row, level + 1);
1219 if (!ovsdb_datum_is_default(datum, &column->type)) {
1220 ds_put_char_multiple(&ctx->output, ' ', (level + 1) * 4);
1221 ds_put_format(&ctx->output, "%s: ", column->name);
1222 ovsdb_datum_to_string(datum, &column->type, &ctx->output);
1223 ds_put_char(&ctx->output, '\n');
1226 show->recurse = false;
1230 cmd_show(struct vsctl_context *ctx)
1232 const struct ovsdb_idl_row *row;
1234 for (row = ovsdb_idl_first_row(ctx->idl, cmd_show_tables[0].table);
1235 row; row = ovsdb_idl_next_row(row)) {
1236 cmd_show_row(ctx, row, 0);
1241 pre_cmd_emer_reset(struct vsctl_context *ctx)
1243 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_manager_options);
1244 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
1246 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_controller);
1247 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_fail_mode);
1248 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_mirrors);
1249 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_netflow);
1250 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_sflow);
1251 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_flood_vlans);
1252 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_other_config);
1254 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_other_config);
1256 ovsdb_idl_add_column(ctx->idl,
1257 &ovsrec_interface_col_ingress_policing_rate);
1258 ovsdb_idl_add_column(ctx->idl,
1259 &ovsrec_interface_col_ingress_policing_burst);
1263 cmd_emer_reset(struct vsctl_context *ctx)
1265 const struct ovsdb_idl *idl = ctx->idl;
1266 const struct ovsrec_bridge *br;
1267 const struct ovsrec_port *port;
1268 const struct ovsrec_interface *iface;
1269 const struct ovsrec_mirror *mirror, *next_mirror;
1270 const struct ovsrec_controller *ctrl, *next_ctrl;
1271 const struct ovsrec_manager *mgr, *next_mgr;
1272 const struct ovsrec_netflow *nf, *next_nf;
1273 const struct ovsrec_ssl *ssl, *next_ssl;
1274 const struct ovsrec_sflow *sflow, *next_sflow;
1276 /* Reset the Open_vSwitch table. */
1277 ovsrec_open_vswitch_set_manager_options(ctx->ovs, NULL, 0);
1278 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
1280 OVSREC_BRIDGE_FOR_EACH (br, idl) {
1282 char *hw_key = "hwaddr";
1283 char *hw_val = NULL;
1285 ovsrec_bridge_set_controller(br, NULL, 0);
1286 ovsrec_bridge_set_fail_mode(br, NULL);
1287 ovsrec_bridge_set_mirrors(br, NULL, 0);
1288 ovsrec_bridge_set_netflow(br, NULL);
1289 ovsrec_bridge_set_sflow(br, NULL);
1290 ovsrec_bridge_set_flood_vlans(br, NULL, 0);
1292 /* We only want to save the "hwaddr" key from other_config. */
1293 for (i=0; i < br->n_other_config; i++) {
1294 if (!strcmp(br->key_other_config[i], hw_key)) {
1295 hw_val = br->value_other_config[i];
1300 char *val = xstrdup(hw_val);
1301 ovsrec_bridge_set_other_config(br, &hw_key, &val, 1);
1304 ovsrec_bridge_set_other_config(br, NULL, NULL, 0);
1308 OVSREC_PORT_FOR_EACH (port, idl) {
1309 ovsrec_port_set_other_config(port, NULL, NULL, 0);
1312 OVSREC_INTERFACE_FOR_EACH (iface, idl) {
1313 /* xxx What do we do about gre/patch devices created by mgr? */
1315 ovsrec_interface_set_ingress_policing_rate(iface, 0);
1316 ovsrec_interface_set_ingress_policing_burst(iface, 0);
1319 OVSREC_MIRROR_FOR_EACH_SAFE (mirror, next_mirror, idl) {
1320 ovsrec_mirror_delete(mirror);
1323 OVSREC_CONTROLLER_FOR_EACH_SAFE (ctrl, next_ctrl, idl) {
1324 ovsrec_controller_delete(ctrl);
1327 OVSREC_MANAGER_FOR_EACH_SAFE (mgr, next_mgr, idl) {
1328 ovsrec_manager_delete(mgr);
1331 OVSREC_NETFLOW_FOR_EACH_SAFE (nf, next_nf, idl) {
1332 ovsrec_netflow_delete(nf);
1335 OVSREC_SSL_FOR_EACH_SAFE (ssl, next_ssl, idl) {
1336 ovsrec_ssl_delete(ssl);
1339 OVSREC_SFLOW_FOR_EACH_SAFE (sflow, next_sflow, idl) {
1340 ovsrec_sflow_delete(sflow);
1343 vsctl_context_invalidate_cache(ctx);
1347 cmd_add_br(struct vsctl_context *ctx)
1349 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1350 const char *br_name, *parent_name;
1353 br_name = ctx->argv[1];
1354 if (ctx->argc == 2) {
1357 } else if (ctx->argc == 4) {
1358 parent_name = ctx->argv[2];
1359 vlan = atoi(ctx->argv[3]);
1360 if (vlan < 0 || vlan > 4095) {
1361 vsctl_fatal("%s: vlan must be between 0 and 4095", ctx->argv[0]);
1364 vsctl_fatal("'%s' command takes exactly 1 or 3 arguments",
1368 vsctl_context_populate_cache(ctx);
1370 struct vsctl_bridge *br;
1372 br = find_bridge(ctx, br_name, false);
1376 vsctl_fatal("\"--may-exist add-br %s\" but %s is "
1377 "a VLAN bridge for VLAN %d",
1378 br_name, br_name, br->vlan);
1382 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1383 "is not a VLAN bridge",
1384 br_name, parent_name, vlan, br_name);
1385 } else if (strcmp(br->parent->name, parent_name)) {
1386 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1387 "has the wrong parent %s",
1388 br_name, parent_name, vlan,
1389 br_name, br->parent->name);
1390 } else if (br->vlan != vlan) {
1391 vsctl_fatal("\"--may-exist add-br %s %s %d\" but %s "
1392 "is a VLAN bridge for the wrong VLAN %d",
1393 br_name, parent_name, vlan, br_name, br->vlan);
1399 check_conflicts(ctx, br_name,
1400 xasprintf("cannot create a bridge named %s", br_name));
1403 struct ovsrec_port *port;
1404 struct ovsrec_interface *iface;
1405 struct ovsrec_bridge *br;
1407 iface = ovsrec_interface_insert(ctx->txn);
1408 ovsrec_interface_set_name(iface, br_name);
1409 ovsrec_interface_set_type(iface, "internal");
1411 port = ovsrec_port_insert(ctx->txn);
1412 ovsrec_port_set_name(port, br_name);
1413 ovsrec_port_set_interfaces(port, &iface, 1);
1415 br = ovsrec_bridge_insert(ctx->txn);
1416 ovsrec_bridge_set_name(br, br_name);
1417 ovsrec_bridge_set_ports(br, &port, 1);
1419 ovs_insert_bridge(ctx->ovs, br);
1421 struct vsctl_bridge *parent;
1422 struct ovsrec_port *port;
1423 struct ovsrec_interface *iface;
1424 struct ovsrec_bridge *br;
1427 parent = find_bridge(ctx, parent_name, false);
1428 if (parent && parent->parent) {
1429 vsctl_fatal("cannot create bridge with fake bridge as parent");
1432 vsctl_fatal("parent bridge %s does not exist", parent_name);
1434 br = parent->br_cfg;
1436 iface = ovsrec_interface_insert(ctx->txn);
1437 ovsrec_interface_set_name(iface, br_name);
1438 ovsrec_interface_set_type(iface, "internal");
1440 port = ovsrec_port_insert(ctx->txn);
1441 ovsrec_port_set_name(port, br_name);
1442 ovsrec_port_set_interfaces(port, &iface, 1);
1443 ovsrec_port_set_fake_bridge(port, true);
1444 ovsrec_port_set_tag(port, &tag, 1);
1446 bridge_insert_port(br, port);
1449 vsctl_context_invalidate_cache(ctx);
1453 del_port(struct vsctl_context *ctx, struct vsctl_port *port)
1455 struct shash_node *node;
1457 SHASH_FOR_EACH (node, &ctx->ifaces) {
1458 struct vsctl_iface *iface = node->data;
1459 if (iface->port == port) {
1460 ovsrec_interface_delete(iface->iface_cfg);
1463 ovsrec_port_delete(port->port_cfg);
1465 bridge_delete_port((port->bridge->parent
1466 ? port->bridge->parent->br_cfg
1467 : port->bridge->br_cfg), port->port_cfg);
1471 cmd_del_br(struct vsctl_context *ctx)
1473 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1474 struct vsctl_bridge *bridge;
1476 vsctl_context_populate_cache(ctx);
1477 bridge = find_bridge(ctx, ctx->argv[1], must_exist);
1479 struct shash_node *node;
1481 SHASH_FOR_EACH (node, &ctx->ports) {
1482 struct vsctl_port *port = node->data;
1483 if (port->bridge == bridge || port->bridge->parent == bridge
1484 || !strcmp(port->port_cfg->name, bridge->name)) {
1485 del_port(ctx, port);
1488 if (bridge->br_cfg) {
1489 ovsrec_bridge_delete(bridge->br_cfg);
1490 ovs_delete_bridge(ctx->ovs, bridge->br_cfg);
1492 vsctl_context_invalidate_cache(ctx);
1497 output_sorted(struct svec *svec, struct ds *output)
1503 SVEC_FOR_EACH (i, name, svec) {
1504 ds_put_format(output, "%s\n", name);
1509 cmd_list_br(struct vsctl_context *ctx)
1511 struct shash_node *node;
1512 struct svec bridges;
1514 vsctl_context_populate_cache(ctx);
1516 svec_init(&bridges);
1517 SHASH_FOR_EACH (node, &ctx->bridges) {
1518 struct vsctl_bridge *br = node->data;
1519 svec_add(&bridges, br->name);
1521 output_sorted(&bridges, &ctx->output);
1522 svec_destroy(&bridges);
1526 cmd_br_exists(struct vsctl_context *ctx)
1528 vsctl_context_populate_cache(ctx);
1529 if (!find_bridge(ctx, ctx->argv[1], false)) {
1534 /* Returns true if 'b_prefix' (of length 'b_prefix_len') concatenated with 'b'
1535 * equals 'a', false otherwise. */
1537 key_matches(const char *a,
1538 const char *b_prefix, size_t b_prefix_len, const char *b)
1540 return !strncmp(a, b_prefix, b_prefix_len) && !strcmp(a + b_prefix_len, b);
1544 set_external_id(char **old_keys, char **old_values, size_t old_n,
1545 char *key, char *value,
1546 char ***new_keysp, char ***new_valuesp, size_t *new_np)
1553 new_keys = xmalloc(sizeof *new_keys * (old_n + 1));
1554 new_values = xmalloc(sizeof *new_values * (old_n + 1));
1556 for (i = 0; i < old_n; i++) {
1557 if (strcmp(key, old_keys[i])) {
1558 new_keys[new_n] = old_keys[i];
1559 new_values[new_n] = old_values[i];
1564 new_keys[new_n] = key;
1565 new_values[new_n] = value;
1568 *new_keysp = new_keys;
1569 *new_valuesp = new_values;
1574 pre_cmd_br_set_external_id(struct vsctl_context *ctx)
1577 ovsdb_idl_add_column(ctx->idl, &ovsrec_bridge_col_external_ids);
1578 ovsdb_idl_add_column(ctx->idl, &ovsrec_port_col_external_ids);
1582 cmd_br_set_external_id(struct vsctl_context *ctx)
1584 struct vsctl_bridge *bridge;
1585 char **keys, **values;
1588 vsctl_context_populate_cache(ctx);
1589 bridge = find_bridge(ctx, ctx->argv[1], true);
1590 if (bridge->br_cfg) {
1591 set_external_id(bridge->br_cfg->key_external_ids,
1592 bridge->br_cfg->value_external_ids,
1593 bridge->br_cfg->n_external_ids,
1594 ctx->argv[2], ctx->argc >= 4 ? ctx->argv[3] : NULL,
1595 &keys, &values, &n);
1596 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1597 ovsrec_bridge_set_external_ids(bridge->br_cfg, keys, values, n);
1599 char *key = xasprintf("fake-bridge-%s", ctx->argv[2]);
1600 struct vsctl_port *port = shash_find_data(&ctx->ports, ctx->argv[1]);
1601 set_external_id(port->port_cfg->key_external_ids,
1602 port->port_cfg->value_external_ids,
1603 port->port_cfg->n_external_ids,
1604 key, ctx->argc >= 4 ? ctx->argv[3] : NULL,
1605 &keys, &values, &n);
1606 ovsrec_port_verify_external_ids(port->port_cfg);
1607 ovsrec_port_set_external_ids(port->port_cfg, keys, values, n);
1615 get_external_id(char **keys, char **values, size_t n,
1616 const char *prefix, const char *key,
1619 size_t prefix_len = strlen(prefix);
1624 for (i = 0; i < n; i++) {
1625 if (!key && !strncmp(keys[i], prefix, prefix_len)) {
1626 svec_add_nocopy(&svec, xasprintf("%s=%s",
1627 keys[i] + prefix_len, values[i]));
1628 } else if (key && key_matches(keys[i], prefix, prefix_len, key)) {
1629 svec_add(&svec, values[i]);
1633 output_sorted(&svec, output);
1634 svec_destroy(&svec);
1638 pre_cmd_br_get_external_id(struct vsctl_context *ctx)
1640 pre_cmd_br_set_external_id(ctx);
1644 cmd_br_get_external_id(struct vsctl_context *ctx)
1646 struct vsctl_bridge *bridge;
1648 vsctl_context_populate_cache(ctx);
1650 bridge = find_bridge(ctx, ctx->argv[1], true);
1651 if (bridge->br_cfg) {
1652 ovsrec_bridge_verify_external_ids(bridge->br_cfg);
1653 get_external_id(bridge->br_cfg->key_external_ids,
1654 bridge->br_cfg->value_external_ids,
1655 bridge->br_cfg->n_external_ids,
1656 "", ctx->argc >= 3 ? ctx->argv[2] : NULL,
1659 struct vsctl_port *port = shash_find_data(&ctx->ports, ctx->argv[1]);
1660 ovsrec_port_verify_external_ids(port->port_cfg);
1661 get_external_id(port->port_cfg->key_external_ids,
1662 port->port_cfg->value_external_ids,
1663 port->port_cfg->n_external_ids,
1664 "fake-bridge-", ctx->argc >= 3 ? ctx->argv[2] : NULL, &ctx->output);
1669 cmd_list_ports(struct vsctl_context *ctx)
1671 struct vsctl_bridge *br;
1672 struct shash_node *node;
1675 vsctl_context_populate_cache(ctx);
1676 br = find_bridge(ctx, ctx->argv[1], true);
1677 ovsrec_bridge_verify_ports(br->br_cfg ? br->br_cfg : br->parent->br_cfg);
1680 SHASH_FOR_EACH (node, &ctx->ports) {
1681 struct vsctl_port *port = node->data;
1683 if (strcmp(port->port_cfg->name, br->name) && br == port->bridge) {
1684 svec_add(&ports, port->port_cfg->name);
1687 output_sorted(&ports, &ctx->output);
1688 svec_destroy(&ports);
1692 add_port(struct vsctl_context *ctx,
1693 const char *br_name, const char *port_name,
1694 bool may_exist, bool fake_iface,
1695 char *iface_names[], int n_ifaces,
1696 char *settings[], int n_settings)
1698 struct vsctl_bridge *bridge;
1699 struct ovsrec_interface **ifaces;
1700 struct ovsrec_port *port;
1703 vsctl_context_populate_cache(ctx);
1705 struct vsctl_port *vsctl_port;
1707 vsctl_port = find_port(ctx, port_name, false);
1709 struct svec want_names, have_names;
1711 svec_init(&want_names);
1712 for (i = 0; i < n_ifaces; i++) {
1713 svec_add(&want_names, iface_names[i]);
1715 svec_sort(&want_names);
1717 svec_init(&have_names);
1718 for (i = 0; i < vsctl_port->port_cfg->n_interfaces; i++) {
1719 svec_add(&have_names,
1720 vsctl_port->port_cfg->interfaces[i]->name);
1722 svec_sort(&have_names);
1724 if (strcmp(vsctl_port->bridge->name, br_name)) {
1725 char *command = vsctl_context_to_string(ctx);
1726 vsctl_fatal("\"%s\" but %s is actually attached to bridge %s",
1727 command, port_name, vsctl_port->bridge->name);
1730 if (!svec_equal(&want_names, &have_names)) {
1731 char *have_names_string = svec_join(&have_names, ", ", "");
1732 char *command = vsctl_context_to_string(ctx);
1734 vsctl_fatal("\"%s\" but %s actually has interface(s) %s",
1735 command, port_name, have_names_string);
1738 svec_destroy(&want_names);
1739 svec_destroy(&have_names);
1744 check_conflicts(ctx, port_name,
1745 xasprintf("cannot create a port named %s", port_name));
1746 for (i = 0; i < n_ifaces; i++) {
1747 check_conflicts(ctx, iface_names[i],
1748 xasprintf("cannot create an interface named %s",
1751 bridge = find_bridge(ctx, br_name, true);
1753 ifaces = xmalloc(n_ifaces * sizeof *ifaces);
1754 for (i = 0; i < n_ifaces; i++) {
1755 ifaces[i] = ovsrec_interface_insert(ctx->txn);
1756 ovsrec_interface_set_name(ifaces[i], iface_names[i]);
1759 port = ovsrec_port_insert(ctx->txn);
1760 ovsrec_port_set_name(port, port_name);
1761 ovsrec_port_set_interfaces(port, ifaces, n_ifaces);
1762 ovsrec_port_set_bond_fake_iface(port, fake_iface);
1765 if (bridge->parent) {
1766 int64_t tag = bridge->vlan;
1767 ovsrec_port_set_tag(port, &tag, 1);
1770 for (i = 0; i < n_settings; i++) {
1771 set_column(get_table("Port"), &port->header_, settings[i],
1775 bridge_insert_port((bridge->parent ? bridge->parent->br_cfg
1776 : bridge->br_cfg), port);
1778 vsctl_context_invalidate_cache(ctx);
1782 cmd_add_port(struct vsctl_context *ctx)
1784 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1786 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, false,
1787 &ctx->argv[2], 1, &ctx->argv[3], ctx->argc - 3);
1791 cmd_add_bond(struct vsctl_context *ctx)
1793 bool may_exist = shash_find(&ctx->options, "--may-exist") != NULL;
1794 bool fake_iface = shash_find(&ctx->options, "--fake-iface");
1798 n_ifaces = ctx->argc - 3;
1799 for (i = 3; i < ctx->argc; i++) {
1800 if (strchr(ctx->argv[i], '=')) {
1806 vsctl_fatal("add-bond requires at least 2 interfaces, but only "
1807 "%d were specified", n_ifaces);
1810 add_port(ctx, ctx->argv[1], ctx->argv[2], may_exist, fake_iface,
1811 &ctx->argv[3], n_ifaces,
1812 &ctx->argv[n_ifaces + 3], ctx->argc - 3 - n_ifaces);
1816 cmd_del_port(struct vsctl_context *ctx)
1818 bool must_exist = !shash_find(&ctx->options, "--if-exists");
1819 bool with_iface = shash_find(&ctx->options, "--with-iface") != NULL;
1820 struct vsctl_port *port;
1822 vsctl_context_populate_cache(ctx);
1824 port = find_port(ctx, ctx->argv[ctx->argc - 1], must_exist);
1826 const char *target = ctx->argv[ctx->argc - 1];
1827 struct vsctl_iface *iface;
1829 port = find_port(ctx, target, false);
1831 iface = find_iface(ctx, target, false);
1836 if (must_exist && !port) {
1837 vsctl_fatal("no port or interface named %s", target);
1842 if (ctx->argc == 3) {
1843 struct vsctl_bridge *bridge;
1845 bridge = find_bridge(ctx, ctx->argv[1], true);
1846 if (port->bridge != bridge) {
1847 if (port->bridge->parent == bridge) {
1848 vsctl_fatal("bridge %s does not have a port %s (although "
1849 "its parent bridge %s does)",
1850 ctx->argv[1], ctx->argv[2],
1851 bridge->parent->name);
1853 vsctl_fatal("bridge %s does not have a port %s",
1854 ctx->argv[1], ctx->argv[2]);
1859 del_port(ctx, port);
1860 vsctl_context_invalidate_cache(ctx);
1865 cmd_port_to_br(struct vsctl_context *ctx)
1867 struct vsctl_port *port;
1869 vsctl_context_populate_cache(ctx);
1871 port = find_port(ctx, ctx->argv[1], true);
1872 ds_put_format(&ctx->output, "%s\n", port->bridge->name);
1876 cmd_br_to_vlan(struct vsctl_context *ctx)
1878 struct vsctl_bridge *bridge;
1880 vsctl_context_populate_cache(ctx);
1882 bridge = find_bridge(ctx, ctx->argv[1], true);
1883 ds_put_format(&ctx->output, "%d\n", bridge->vlan);
1887 cmd_br_to_parent(struct vsctl_context *ctx)
1889 struct vsctl_bridge *bridge;
1891 vsctl_context_populate_cache(ctx);
1893 bridge = find_bridge(ctx, ctx->argv[1], true);
1894 if (bridge->parent) {
1895 bridge = bridge->parent;
1897 ds_put_format(&ctx->output, "%s\n", bridge->name);
1901 cmd_list_ifaces(struct vsctl_context *ctx)
1903 struct vsctl_bridge *br;
1904 struct shash_node *node;
1907 vsctl_context_populate_cache(ctx);
1909 br = find_bridge(ctx, ctx->argv[1], true);
1913 SHASH_FOR_EACH (node, &ctx->ifaces) {
1914 struct vsctl_iface *iface = node->data;
1916 if (strcmp(iface->iface_cfg->name, br->name)
1917 && br == iface->port->bridge) {
1918 svec_add(&ifaces, iface->iface_cfg->name);
1921 output_sorted(&ifaces, &ctx->output);
1922 svec_destroy(&ifaces);
1926 cmd_iface_to_br(struct vsctl_context *ctx)
1928 struct vsctl_iface *iface;
1930 vsctl_context_populate_cache(ctx);
1932 iface = find_iface(ctx, ctx->argv[1], true);
1933 ds_put_format(&ctx->output, "%s\n", iface->port->bridge->name);
1937 verify_controllers(struct ovsrec_bridge *bridge)
1941 ovsrec_bridge_verify_controller(bridge);
1942 for (i = 0; i < bridge->n_controller; i++) {
1943 ovsrec_controller_verify_target(bridge->controller[i]);
1948 pre_controller(struct vsctl_context *ctx)
1952 ovsdb_idl_add_column(ctx->idl, &ovsrec_controller_col_target);
1956 cmd_get_controller(struct vsctl_context *ctx)
1958 struct vsctl_bridge *br;
1959 struct svec targets;
1962 vsctl_context_populate_cache(ctx);
1964 br = find_bridge(ctx, ctx->argv[1], true);
1968 verify_controllers(br->br_cfg);
1970 /* Print the targets in sorted order for reproducibility. */
1971 svec_init(&targets);
1972 for (i = 0; i < br->br_cfg->n_controller; i++) {
1973 svec_add(&targets, br->br_cfg->controller[i]->target);
1976 svec_sort(&targets);
1977 for (i = 0; i < targets.n; i++) {
1978 ds_put_format(&ctx->output, "%s\n", targets.names[i]);
1980 svec_destroy(&targets);
1984 delete_controllers(struct ovsrec_controller **controllers,
1985 size_t n_controllers)
1989 for (i = 0; i < n_controllers; i++) {
1990 ovsrec_controller_delete(controllers[i]);
1995 cmd_del_controller(struct vsctl_context *ctx)
1997 struct ovsrec_bridge *br;
1999 vsctl_context_populate_cache(ctx);
2001 br = find_real_bridge(ctx, ctx->argv[1], true)->br_cfg;
2002 verify_controllers(br);
2004 if (br->controller) {
2005 delete_controllers(br->controller, br->n_controller);
2006 ovsrec_bridge_set_controller(br, NULL, 0);
2010 static struct ovsrec_controller **
2011 insert_controllers(struct ovsdb_idl_txn *txn, char *targets[], size_t n)
2013 struct ovsrec_controller **controllers;
2016 controllers = xmalloc(n * sizeof *controllers);
2017 for (i = 0; i < n; i++) {
2018 if (vconn_verify_name(targets[i]) && pvconn_verify_name(targets[i])) {
2019 VLOG_WARN("target type \"%s\" is possibly erroneous", targets[i]);
2021 controllers[i] = ovsrec_controller_insert(txn);
2022 ovsrec_controller_set_target(controllers[i], targets[i]);
2029 cmd_set_controller(struct vsctl_context *ctx)
2031 struct ovsrec_controller **controllers;
2032 struct ovsrec_bridge *br;
2035 vsctl_context_populate_cache(ctx);
2037 br = find_real_bridge(ctx, ctx->argv[1], true)->br_cfg;
2038 verify_controllers(br);
2040 delete_controllers(br->controller, br->n_controller);
2043 controllers = insert_controllers(ctx->txn, &ctx->argv[2], n);
2044 ovsrec_bridge_set_controller(br, controllers, n);
2049 cmd_get_fail_mode(struct vsctl_context *ctx)
2051 struct vsctl_bridge *br;
2052 const char *fail_mode;
2054 vsctl_context_populate_cache(ctx);
2055 br = find_bridge(ctx, ctx->argv[1], true);
2060 ovsrec_bridge_verify_fail_mode(br->br_cfg);
2062 fail_mode = br->br_cfg->fail_mode;
2063 if (fail_mode && strlen(fail_mode)) {
2064 ds_put_format(&ctx->output, "%s\n", fail_mode);
2069 cmd_del_fail_mode(struct vsctl_context *ctx)
2071 struct vsctl_bridge *br;
2073 vsctl_context_populate_cache(ctx);
2075 br = find_real_bridge(ctx, ctx->argv[1], true);
2077 ovsrec_bridge_set_fail_mode(br->br_cfg, NULL);
2081 cmd_set_fail_mode(struct vsctl_context *ctx)
2083 struct vsctl_bridge *br;
2084 const char *fail_mode = ctx->argv[2];
2086 vsctl_context_populate_cache(ctx);
2088 br = find_real_bridge(ctx, ctx->argv[1], true);
2090 if (strcmp(fail_mode, "standalone") && strcmp(fail_mode, "secure")) {
2091 vsctl_fatal("fail-mode must be \"standalone\" or \"secure\"");
2094 ovsrec_bridge_set_fail_mode(br->br_cfg, fail_mode);
2098 verify_managers(const struct ovsrec_open_vswitch *ovs)
2102 ovsrec_open_vswitch_verify_manager_options(ovs);
2104 for (i = 0; i < ovs->n_manager_options; ++i) {
2105 const struct ovsrec_manager *mgr = ovs->manager_options[i];
2107 ovsrec_manager_verify_target(mgr);
2112 pre_manager(struct vsctl_context *ctx)
2114 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_manager_options);
2115 ovsdb_idl_add_column(ctx->idl, &ovsrec_manager_col_target);
2119 cmd_get_manager(struct vsctl_context *ctx)
2121 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2122 struct svec targets;
2125 verify_managers(ovs);
2127 /* Print the targets in sorted order for reproducibility. */
2128 svec_init(&targets);
2130 for (i = 0; i < ovs->n_manager_options; i++) {
2131 svec_add(&targets, ovs->manager_options[i]->target);
2134 svec_sort_unique(&targets);
2135 for (i = 0; i < targets.n; i++) {
2136 ds_put_format(&ctx->output, "%s\n", targets.names[i]);
2138 svec_destroy(&targets);
2142 delete_managers(const struct vsctl_context *ctx)
2144 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2147 /* Delete Manager rows pointed to by 'manager_options' column. */
2148 for (i = 0; i < ovs->n_manager_options; i++) {
2149 ovsrec_manager_delete(ovs->manager_options[i]);
2152 /* Delete 'Manager' row refs in 'manager_options' column. */
2153 ovsrec_open_vswitch_set_manager_options(ovs, NULL, 0);
2157 cmd_del_manager(struct vsctl_context *ctx)
2159 const struct ovsrec_open_vswitch *ovs = ctx->ovs;
2161 verify_managers(ovs);
2162 delete_managers(ctx);
2166 insert_managers(struct vsctl_context *ctx, char *targets[], size_t n)
2168 struct ovsrec_manager **managers;
2171 /* Insert each manager in a new row in Manager table. */
2172 managers = xmalloc(n * sizeof *managers);
2173 for (i = 0; i < n; i++) {
2174 if (stream_verify_name(targets[i]) && pstream_verify_name(targets[i])) {
2175 VLOG_WARN("target type \"%s\" is possibly erroneous", targets[i]);
2177 managers[i] = ovsrec_manager_insert(ctx->txn);
2178 ovsrec_manager_set_target(managers[i], targets[i]);
2181 /* Store uuids of new Manager rows in 'manager_options' column. */
2182 ovsrec_open_vswitch_set_manager_options(ctx->ovs, managers, n);
2187 cmd_set_manager(struct vsctl_context *ctx)
2189 const size_t n = ctx->argc - 1;
2191 verify_managers(ctx->ovs);
2192 delete_managers(ctx);
2193 insert_managers(ctx, &ctx->argv[1], n);
2197 pre_cmd_get_ssl(struct vsctl_context *ctx)
2199 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2201 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_private_key);
2202 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_certificate);
2203 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_ca_cert);
2204 ovsdb_idl_add_column(ctx->idl, &ovsrec_ssl_col_bootstrap_ca_cert);
2208 cmd_get_ssl(struct vsctl_context *ctx)
2210 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2212 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2214 ovsrec_ssl_verify_private_key(ssl);
2215 ovsrec_ssl_verify_certificate(ssl);
2216 ovsrec_ssl_verify_ca_cert(ssl);
2217 ovsrec_ssl_verify_bootstrap_ca_cert(ssl);
2219 ds_put_format(&ctx->output, "Private key: %s\n", ssl->private_key);
2220 ds_put_format(&ctx->output, "Certificate: %s\n", ssl->certificate);
2221 ds_put_format(&ctx->output, "CA Certificate: %s\n", ssl->ca_cert);
2222 ds_put_format(&ctx->output, "Bootstrap: %s\n",
2223 ssl->bootstrap_ca_cert ? "true" : "false");
2228 pre_cmd_del_ssl(struct vsctl_context *ctx)
2230 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2234 cmd_del_ssl(struct vsctl_context *ctx)
2236 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2239 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2240 ovsrec_ssl_delete(ssl);
2241 ovsrec_open_vswitch_set_ssl(ctx->ovs, NULL);
2246 pre_cmd_set_ssl(struct vsctl_context *ctx)
2248 ovsdb_idl_add_column(ctx->idl, &ovsrec_open_vswitch_col_ssl);
2252 cmd_set_ssl(struct vsctl_context *ctx)
2254 bool bootstrap = shash_find(&ctx->options, "--bootstrap");
2255 struct ovsrec_ssl *ssl = ctx->ovs->ssl;
2257 ovsrec_open_vswitch_verify_ssl(ctx->ovs);
2259 ovsrec_ssl_delete(ssl);
2261 ssl = ovsrec_ssl_insert(ctx->txn);
2263 ovsrec_ssl_set_private_key(ssl, ctx->argv[1]);
2264 ovsrec_ssl_set_certificate(ssl, ctx->argv[2]);
2265 ovsrec_ssl_set_ca_cert(ssl, ctx->argv[3]);
2267 ovsrec_ssl_set_bootstrap_ca_cert(ssl, bootstrap);
2269 ovsrec_open_vswitch_set_ssl(ctx->ovs, ssl);
2272 /* Parameter commands. */
2274 struct vsctl_row_id {
2275 const struct ovsdb_idl_table_class *table;
2276 const struct ovsdb_idl_column *name_column;
2277 const struct ovsdb_idl_column *uuid_column;
2280 struct vsctl_table_class {
2281 struct ovsdb_idl_table_class *class;
2282 struct vsctl_row_id row_ids[2];
2285 static const struct vsctl_table_class tables[] = {
2286 {&ovsrec_table_bridge,
2287 {{&ovsrec_table_bridge, &ovsrec_bridge_col_name, NULL},
2288 {NULL, NULL, NULL}}},
2290 {&ovsrec_table_controller,
2291 {{&ovsrec_table_bridge,
2292 &ovsrec_bridge_col_name,
2293 &ovsrec_bridge_col_controller}}},
2295 {&ovsrec_table_interface,
2296 {{&ovsrec_table_interface, &ovsrec_interface_col_name, NULL},
2297 {NULL, NULL, NULL}}},
2299 {&ovsrec_table_mirror,
2300 {{&ovsrec_table_mirror, &ovsrec_mirror_col_name, NULL},
2301 {NULL, NULL, NULL}}},
2303 {&ovsrec_table_manager,
2304 {{&ovsrec_table_manager, &ovsrec_manager_col_target, NULL},
2305 {NULL, NULL, NULL}}},
2307 {&ovsrec_table_netflow,
2308 {{&ovsrec_table_bridge,
2309 &ovsrec_bridge_col_name,
2310 &ovsrec_bridge_col_netflow},
2311 {NULL, NULL, NULL}}},
2313 {&ovsrec_table_open_vswitch,
2314 {{&ovsrec_table_open_vswitch, NULL, NULL},
2315 {NULL, NULL, NULL}}},
2317 {&ovsrec_table_port,
2318 {{&ovsrec_table_port, &ovsrec_port_col_name, NULL},
2319 {NULL, NULL, NULL}}},
2322 {{&ovsrec_table_port, &ovsrec_port_col_name, &ovsrec_port_col_qos},
2323 {NULL, NULL, NULL}}},
2325 {&ovsrec_table_queue,
2326 {{NULL, NULL, NULL},
2327 {NULL, NULL, NULL}}},
2330 {{&ovsrec_table_open_vswitch, NULL, &ovsrec_open_vswitch_col_ssl}}},
2332 {&ovsrec_table_sflow,
2333 {{&ovsrec_table_bridge,
2334 &ovsrec_bridge_col_name,
2335 &ovsrec_bridge_col_sflow},
2336 {NULL, NULL, NULL}}},
2338 {&ovsrec_table_flow_table,
2339 {{&ovsrec_table_flow_table, &ovsrec_flow_table_col_name, NULL},
2340 {NULL, NULL, NULL}}},
2342 {NULL, {{NULL, NULL, NULL}, {NULL, NULL, NULL}}}
2346 die_if_error(char *error)
2349 vsctl_fatal("%s", error);
2354 to_lower_and_underscores(unsigned c)
2356 return c == '-' ? '_' : tolower(c);
2360 score_partial_match(const char *name, const char *s)
2364 if (!strcmp(name, s)) {
2367 for (score = 0; ; score++, name++, s++) {
2368 if (to_lower_and_underscores(*name) != to_lower_and_underscores(*s)) {
2370 } else if (*name == '\0') {
2371 return UINT_MAX - 1;
2374 return *s == '\0' ? score : 0;
2377 static const struct vsctl_table_class *
2378 get_table(const char *table_name)
2380 const struct vsctl_table_class *table;
2381 const struct vsctl_table_class *best_match = NULL;
2382 unsigned int best_score = 0;
2384 for (table = tables; table->class; table++) {
2385 unsigned int score = score_partial_match(table->class->name,
2387 if (score > best_score) {
2390 } else if (score == best_score) {
2396 } else if (best_score) {
2397 vsctl_fatal("multiple table names match \"%s\"", table_name);
2399 vsctl_fatal("unknown table \"%s\"", table_name);
2403 static const struct vsctl_table_class *
2404 pre_get_table(struct vsctl_context *ctx, const char *table_name)
2406 const struct vsctl_table_class *table_class;
2409 table_class = get_table(table_name);
2410 ovsdb_idl_add_table(ctx->idl, table_class->class);
2412 for (i = 0; i < ARRAY_SIZE(table_class->row_ids); i++) {
2413 const struct vsctl_row_id *id = &table_class->row_ids[i];
2415 ovsdb_idl_add_table(ctx->idl, id->table);
2417 if (id->name_column) {
2418 ovsdb_idl_add_column(ctx->idl, id->name_column);
2420 if (id->uuid_column) {
2421 ovsdb_idl_add_column(ctx->idl, id->uuid_column);
2428 static const struct ovsdb_idl_row *
2429 get_row_by_id(struct vsctl_context *ctx, const struct vsctl_table_class *table,
2430 const struct vsctl_row_id *id, const char *record_id)
2432 const struct ovsdb_idl_row *referrer, *final;
2438 if (!id->name_column) {
2439 if (strcmp(record_id, ".")) {
2442 referrer = ovsdb_idl_first_row(ctx->idl, id->table);
2443 if (!referrer || ovsdb_idl_next_row(referrer)) {
2447 const struct ovsdb_idl_row *row;
2450 for (row = ovsdb_idl_first_row(ctx->idl, id->table);
2452 row = ovsdb_idl_next_row(row))
2454 const struct ovsdb_datum *name;
2456 name = ovsdb_idl_get(row, id->name_column,
2457 OVSDB_TYPE_STRING, OVSDB_TYPE_VOID);
2458 if (name->n == 1 && !strcmp(name->keys[0].string, record_id)) {
2460 vsctl_fatal("multiple rows in %s match \"%s\"",
2461 table->class->name, record_id);
2472 if (id->uuid_column) {
2473 const struct ovsdb_datum *uuid;
2475 ovsdb_idl_txn_verify(referrer, id->uuid_column);
2476 uuid = ovsdb_idl_get(referrer, id->uuid_column,
2477 OVSDB_TYPE_UUID, OVSDB_TYPE_VOID);
2479 final = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class,
2480 &uuid->keys[0].uuid);
2489 static const struct ovsdb_idl_row *
2490 get_row (struct vsctl_context *ctx,
2491 const struct vsctl_table_class *table, const char *record_id)
2493 const struct ovsdb_idl_row *row;
2496 if (uuid_from_string(&uuid, record_id)) {
2497 row = ovsdb_idl_get_row_for_uuid(ctx->idl, table->class, &uuid);
2501 for (i = 0; i < ARRAY_SIZE(table->row_ids); i++) {
2502 row = get_row_by_id(ctx, table, &table->row_ids[i], record_id);
2511 static const struct ovsdb_idl_row *
2512 must_get_row(struct vsctl_context *ctx,
2513 const struct vsctl_table_class *table, const char *record_id)
2515 const struct ovsdb_idl_row *row = get_row(ctx, table, record_id);
2517 vsctl_fatal("no row \"%s\" in table %s",
2518 record_id, table->class->name);
2524 get_column(const struct vsctl_table_class *table, const char *column_name,
2525 const struct ovsdb_idl_column **columnp)
2527 const struct ovsdb_idl_column *best_match = NULL;
2528 unsigned int best_score = 0;
2531 for (i = 0; i < table->class->n_columns; i++) {
2532 const struct ovsdb_idl_column *column = &table->class->columns[i];
2533 unsigned int score = score_partial_match(column->name, column_name);
2534 if (score > best_score) {
2535 best_match = column;
2537 } else if (score == best_score) {
2542 *columnp = best_match;
2545 } else if (best_score) {
2546 return xasprintf("%s contains more than one column whose name "
2547 "matches \"%s\"", table->class->name, column_name);
2549 return xasprintf("%s does not contain a column whose name matches "
2550 "\"%s\"", table->class->name, column_name);
2554 static struct ovsdb_symbol *
2555 create_symbol(struct ovsdb_symbol_table *symtab, const char *id, bool *newp)
2557 struct ovsdb_symbol *symbol;
2560 vsctl_fatal("row id \"%s\" does not begin with \"@\"", id);
2564 *newp = ovsdb_symbol_table_get(symtab, id) == NULL;
2567 symbol = ovsdb_symbol_table_insert(symtab, id);
2568 if (symbol->created) {
2569 vsctl_fatal("row id \"%s\" may only be specified on one --id option",
2572 symbol->created = true;
2577 pre_get_column(struct vsctl_context *ctx,
2578 const struct vsctl_table_class *table, const char *column_name,
2579 const struct ovsdb_idl_column **columnp)
2581 die_if_error(get_column(table, column_name, columnp));
2582 ovsdb_idl_add_column(ctx->idl, *columnp);
2586 missing_operator_error(const char *arg, const char **allowed_operators,
2592 ds_put_format(&s, "%s: argument does not end in ", arg);
2593 ds_put_format(&s, "\"%s\"", allowed_operators[0]);
2594 if (n_allowed == 2) {
2595 ds_put_format(&s, " or \"%s\"", allowed_operators[1]);
2596 } else if (n_allowed > 2) {
2599 for (i = 1; i < n_allowed - 1; i++) {
2600 ds_put_format(&s, ", \"%s\"", allowed_operators[i]);
2602 ds_put_format(&s, ", or \"%s\"", allowed_operators[i]);
2604 ds_put_format(&s, " followed by a value.");
2606 return ds_steal_cstr(&s);
2609 /* Breaks 'arg' apart into a number of fields in the following order:
2611 * - The name of a column in 'table', stored into '*columnp'. The column
2612 * name may be abbreviated.
2614 * - Optionally ':' followed by a key string. The key is stored as a
2615 * malloc()'d string into '*keyp', or NULL if no key is present in
2618 * - If 'valuep' is nonnull, an operator followed by a value string. The
2619 * allowed operators are the 'n_allowed' string in 'allowed_operators',
2620 * or just "=" if 'n_allowed' is 0. If 'operatorp' is nonnull, then the
2621 * index of the operator within 'allowed_operators' is stored into
2622 * '*operatorp'. The value is stored as a malloc()'d string into
2623 * '*valuep', or NULL if no value is present in 'arg'.
2625 * On success, returns NULL. On failure, returned a malloc()'d string error
2626 * message and stores NULL into all of the nonnull output arguments. */
2627 static char * WARN_UNUSED_RESULT
2628 parse_column_key_value(const char *arg,
2629 const struct vsctl_table_class *table,
2630 const struct ovsdb_idl_column **columnp, char **keyp,
2632 const char **allowed_operators, size_t n_allowed,
2635 const char *p = arg;
2639 assert(!(operatorp && !valuep));
2645 /* Parse column name. */
2646 error = ovsdb_token_parse(&p, &column_name);
2650 if (column_name[0] == '\0') {
2652 error = xasprintf("%s: missing column name", arg);
2655 error = get_column(table, column_name, columnp);
2661 /* Parse key string. */
2664 error = ovsdb_token_parse(&p, keyp);
2670 /* Parse value string. */
2676 if (!allowed_operators) {
2677 static const char *equals = "=";
2678 allowed_operators = =
2684 for (i = 0; i < n_allowed; i++) {
2685 const char *op = allowed_operators[i];
2686 size_t op_len = strlen(op);
2688 if (op_len > best_len && !strncmp(op, p, op_len) && p[op_len]) {
2694 error = missing_operator_error(arg, allowed_operators, n_allowed);
2701 *valuep = xstrdup(p + best_len);
2704 error = xasprintf("%s: trailing garbage \"%s\" in argument",
2726 pre_parse_column_key_value(struct vsctl_context *ctx,
2728 const struct vsctl_table_class *table)
2730 const struct ovsdb_idl_column *column;
2735 die_if_error(ovsdb_token_parse(&p, &column_name));
2736 if (column_name[0] == '\0') {
2737 vsctl_fatal("%s: missing column name", arg);
2740 pre_get_column(ctx, table, column_name, &column);
2745 pre_cmd_get(struct vsctl_context *ctx)
2747 const char *id = shash_find_data(&ctx->options, "--id");
2748 const char *table_name = ctx->argv[1];
2749 const struct vsctl_table_class *table;
2752 /* Using "get" without --id or a column name could possibly make sense.
2753 * Maybe, for example, a ovs-vsctl run wants to assert that a row exists.
2754 * But it is unlikely that an interactive user would want to do that, so
2755 * issue a warning if we're running on a terminal. */
2756 if (!id && ctx->argc <= 3 && isatty(STDOUT_FILENO)) {
2757 VLOG_WARN("\"get\" command without row arguments or \"--id\" is "
2758 "possibly erroneous");
2761 table = pre_get_table(ctx, table_name);
2762 for (i = 3; i < ctx->argc; i++) {
2763 if (!strcasecmp(ctx->argv[i], "_uuid")
2764 || !strcasecmp(ctx->argv[i], "-uuid")) {
2768 pre_parse_column_key_value(ctx, ctx->argv[i], table);
2773 cmd_get(struct vsctl_context *ctx)
2775 const char *id = shash_find_data(&ctx->options, "--id");
2776 bool if_exists = shash_find(&ctx->options, "--if-exists");
2777 const char *table_name = ctx->argv[1];
2778 const char *record_id = ctx->argv[2];
2779 const struct vsctl_table_class *table;
2780 const struct ovsdb_idl_row *row;
2781 struct ds *out = &ctx->output;
2784 table = get_table(table_name);
2785 row = must_get_row(ctx, table, record_id);
2787 struct ovsdb_symbol *symbol;
2790 symbol = create_symbol(ctx->symtab, id, &new);
2792 vsctl_fatal("row id \"%s\" specified on \"get\" command was used "
2793 "before it was defined", id);
2795 symbol->uuid = row->uuid;
2797 /* This symbol refers to a row that already exists, so disable warnings
2798 * about it being unreferenced. */
2799 symbol->strong_ref = true;
2801 for (i = 3; i < ctx->argc; i++) {
2802 const struct ovsdb_idl_column *column;
2803 const struct ovsdb_datum *datum;
2806 /* Special case for obtaining the UUID of a row. We can't just do this
2807 * through parse_column_key_value() below since it returns a "struct
2808 * ovsdb_idl_column" and the UUID column doesn't have one. */
2809 if (!strcasecmp(ctx->argv[i], "_uuid")
2810 || !strcasecmp(ctx->argv[i], "-uuid")) {
2811 ds_put_format(out, UUID_FMT"\n", UUID_ARGS(&row->uuid));
2815 die_if_error(parse_column_key_value(ctx->argv[i], table,
2816 &column, &key_string,
2817 NULL, NULL, 0, NULL));
2819 ovsdb_idl_txn_verify(row, column);
2820 datum = ovsdb_idl_read(row, column);
2822 union ovsdb_atom key;
2825 if (column->type.value.type == OVSDB_TYPE_VOID) {
2826 vsctl_fatal("cannot specify key to get for non-map column %s",
2830 die_if_error(ovsdb_atom_from_string(&key,
2832 key_string, ctx->symtab));
2834 idx = ovsdb_datum_find_key(datum, &key,
2835 column->type.key.type);
2836 if (idx == UINT_MAX) {
2838 vsctl_fatal("no key \"%s\" in %s record \"%s\" column %s",
2839 key_string, table->class->name, record_id,
2843 ovsdb_atom_to_string(&datum->values[idx],
2844 column->type.value.type, out);
2846 ovsdb_atom_destroy(&key, column->type.key.type);
2848 ovsdb_datum_to_string(datum, &column->type, out);
2850 ds_put_char(out, '\n');
2857 parse_column_names(const char *column_names,
2858 const struct vsctl_table_class *table,
2859 const struct ovsdb_idl_column ***columnsp,
2862 const struct ovsdb_idl_column **columns;
2865 if (!column_names) {
2868 n_columns = table->class->n_columns + 1;
2869 columns = xmalloc(n_columns * sizeof *columns);
2871 for (i = 0; i < table->class->n_columns; i++) {
2872 columns[i + 1] = &table->class->columns[i];
2875 char *s = xstrdup(column_names);
2876 size_t allocated_columns;
2877 char *save_ptr = NULL;
2881 allocated_columns = n_columns = 0;
2882 for (column_name = strtok_r(s, ", ", &save_ptr); column_name;
2883 column_name = strtok_r(NULL, ", ", &save_ptr)) {
2884 const struct ovsdb_idl_column *column;
2886 if (!strcasecmp(column_name, "_uuid")) {
2889 die_if_error(get_column(table, column_name, &column));
2891 if (n_columns >= allocated_columns) {
2892 columns = x2nrealloc(columns, &allocated_columns,
2895 columns[n_columns++] = column;
2900 vsctl_fatal("must specify at least one column name");
2903 *columnsp = columns;
2904 *n_columnsp = n_columns;
2909 pre_list_columns(struct vsctl_context *ctx,
2910 const struct vsctl_table_class *table,
2911 const char *column_names)
2913 const struct ovsdb_idl_column **columns;
2917 parse_column_names(column_names, table, &columns, &n_columns);
2918 for (i = 0; i < n_columns; i++) {
2920 ovsdb_idl_add_column(ctx->idl, columns[i]);
2927 pre_cmd_list(struct vsctl_context *ctx)
2929 const char *column_names = shash_find_data(&ctx->options, "--columns");
2930 const char *table_name = ctx->argv[1];
2931 const struct vsctl_table_class *table;
2933 table = pre_get_table(ctx, table_name);
2934 pre_list_columns(ctx, table, column_names);
2937 static struct table *
2938 list_make_table(const struct ovsdb_idl_column **columns, size_t n_columns)
2943 out = xmalloc(sizeof *out);
2946 for (i = 0; i < n_columns; i++) {
2947 const struct ovsdb_idl_column *column = columns[i];
2948 const char *column_name = column ? column->name : "_uuid";
2950 table_add_column(out, "%s", column_name);
2957 list_record(const struct ovsdb_idl_row *row,
2958 const struct ovsdb_idl_column **columns, size_t n_columns,
2964 for (i = 0; i < n_columns; i++) {
2965 const struct ovsdb_idl_column *column = columns[i];
2966 struct cell *cell = table_add_cell(out);
2969 struct ovsdb_datum datum;
2970 union ovsdb_atom atom;
2972 atom.uuid = row->uuid;
2975 datum.values = NULL;
2978 cell->json = ovsdb_datum_to_json(&datum, &ovsdb_type_uuid);
2979 cell->type = &ovsdb_type_uuid;
2981 const struct ovsdb_datum *datum = ovsdb_idl_read(row, column);
2983 cell->json = ovsdb_datum_to_json(datum, &column->type);
2984 cell->type = &column->type;
2990 cmd_list(struct vsctl_context *ctx)
2992 const char *column_names = shash_find_data(&ctx->options, "--columns");
2993 const struct ovsdb_idl_column **columns;
2994 const char *table_name = ctx->argv[1];
2995 const struct vsctl_table_class *table;
3000 table = get_table(table_name);
3001 parse_column_names(column_names, table, &columns, &n_columns);
3002 out = ctx->table = list_make_table(columns, n_columns);
3003 if (ctx->argc > 2) {
3004 for (i = 2; i < ctx->argc; i++) {
3005 list_record(must_get_row(ctx, table, ctx->argv[i]),
3006 columns, n_columns, out);
3009 const struct ovsdb_idl_row *row;
3011 for (row = ovsdb_idl_first_row(ctx->idl, table->class); row != NULL;
3012 row = ovsdb_idl_next_row(row)) {
3013 list_record(row, columns, n_columns, out);
3020 pre_cmd_find(struct vsctl_context *ctx)
3022 const char *column_names = shash_find_data(&ctx->options, "--columns");
3023 const char *table_name = ctx->argv[1];
3024 const struct vsctl_table_class *table;
3027 table = pre_get_table(ctx, table_name);
3028 pre_list_columns(ctx, table, column_names);
3029 for (i = 2; i < ctx->argc; i++) {
3030 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3035 cmd_find(struct vsctl_context *ctx)
3037 const char *column_names = shash_find_data(&ctx->options, "--columns");
3038 const struct ovsdb_idl_column **columns;
3039 const char *table_name = ctx->argv[1];
3040 const struct vsctl_table_class *table;
3041 const struct ovsdb_idl_row *row;
3045 table = get_table(table_name);
3046 parse_column_names(column_names, table, &columns, &n_columns);
3047 out = ctx->table = list_make_table(columns, n_columns);
3048 for (row = ovsdb_idl_first_row(ctx->idl, table->class); row;
3049 row = ovsdb_idl_next_row(row)) {
3052 for (i = 2; i < ctx->argc; i++) {
3053 if (!is_condition_satisfied(table, row, ctx->argv[i],
3058 list_record(row, columns, n_columns, out);
3066 pre_cmd_set(struct vsctl_context *ctx)
3068 const char *table_name = ctx->argv[1];
3069 const struct vsctl_table_class *table;
3072 table = pre_get_table(ctx, table_name);
3073 for (i = 3; i < ctx->argc; i++) {
3074 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3079 set_column(const struct vsctl_table_class *table,
3080 const struct ovsdb_idl_row *row, const char *arg,
3081 struct ovsdb_symbol_table *symtab)
3083 const struct ovsdb_idl_column *column;
3084 char *key_string, *value_string;
3087 error = parse_column_key_value(arg, table, &column, &key_string,
3088 NULL, NULL, 0, &value_string);
3089 die_if_error(error);
3090 if (!value_string) {
3091 vsctl_fatal("%s: missing value", arg);
3095 union ovsdb_atom key, value;
3096 struct ovsdb_datum datum;
3098 if (column->type.value.type == OVSDB_TYPE_VOID) {
3099 vsctl_fatal("cannot specify key to set for non-map column %s",
3103 die_if_error(ovsdb_atom_from_string(&key, &column->type.key,
3104 key_string, symtab));
3105 die_if_error(ovsdb_atom_from_string(&value, &column->type.value,
3106 value_string, symtab));
3108 ovsdb_datum_init_empty(&datum);
3109 ovsdb_datum_add_unsafe(&datum, &key, &value, &column->type);
3111 ovsdb_atom_destroy(&key, column->type.key.type);
3112 ovsdb_atom_destroy(&value, column->type.value.type);
3114 ovsdb_datum_union(&datum, ovsdb_idl_read(row, column),
3115 &column->type, false);
3116 ovsdb_idl_txn_write(row, column, &datum);
3118 struct ovsdb_datum datum;
3120 die_if_error(ovsdb_datum_from_string(&datum, &column->type,
3121 value_string, symtab));
3122 ovsdb_idl_txn_write(row, column, &datum);
3130 cmd_set(struct vsctl_context *ctx)
3132 const char *table_name = ctx->argv[1];
3133 const char *record_id = ctx->argv[2];
3134 const struct vsctl_table_class *table;
3135 const struct ovsdb_idl_row *row;
3138 table = get_table(table_name);
3139 row = must_get_row(ctx, table, record_id);
3140 for (i = 3; i < ctx->argc; i++) {
3141 set_column(table, row, ctx->argv[i], ctx->symtab);
3144 vsctl_context_invalidate_cache(ctx);
3148 pre_cmd_add(struct vsctl_context *ctx)
3150 const char *table_name = ctx->argv[1];
3151 const char *column_name = ctx->argv[3];
3152 const struct vsctl_table_class *table;
3153 const struct ovsdb_idl_column *column;
3155 table = pre_get_table(ctx, table_name);
3156 pre_get_column(ctx, table, column_name, &column);
3160 cmd_add(struct vsctl_context *ctx)
3162 const char *table_name = ctx->argv[1];
3163 const char *record_id = ctx->argv[2];
3164 const char *column_name = ctx->argv[3];
3165 const struct vsctl_table_class *table;
3166 const struct ovsdb_idl_column *column;
3167 const struct ovsdb_idl_row *row;
3168 const struct ovsdb_type *type;
3169 struct ovsdb_datum old;
3172 table = get_table(table_name);
3173 row = must_get_row(ctx, table, record_id);
3174 die_if_error(get_column(table, column_name, &column));
3176 type = &column->type;
3177 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
3178 for (i = 4; i < ctx->argc; i++) {
3179 struct ovsdb_type add_type;
3180 struct ovsdb_datum add;
3184 add_type.n_max = UINT_MAX;
3185 die_if_error(ovsdb_datum_from_string(&add, &add_type, ctx->argv[i],
3187 ovsdb_datum_union(&old, &add, type, false);
3188 ovsdb_datum_destroy(&add, type);
3190 if (old.n > type->n_max) {
3191 vsctl_fatal("\"add\" operation would put %u %s in column %s of "
3192 "table %s but the maximum number is %u",
3194 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
3195 column->name, table->class->name, type->n_max);
3197 ovsdb_idl_txn_verify(row, column);
3198 ovsdb_idl_txn_write(row, column, &old);
3200 vsctl_context_invalidate_cache(ctx);
3204 pre_cmd_remove(struct vsctl_context *ctx)
3206 const char *table_name = ctx->argv[1];
3207 const char *column_name = ctx->argv[3];
3208 const struct vsctl_table_class *table;
3209 const struct ovsdb_idl_column *column;
3211 table = pre_get_table(ctx, table_name);
3212 pre_get_column(ctx, table, column_name, &column);
3216 cmd_remove(struct vsctl_context *ctx)
3218 const char *table_name = ctx->argv[1];
3219 const char *record_id = ctx->argv[2];
3220 const char *column_name = ctx->argv[3];
3221 const struct vsctl_table_class *table;
3222 const struct ovsdb_idl_column *column;
3223 const struct ovsdb_idl_row *row;
3224 const struct ovsdb_type *type;
3225 struct ovsdb_datum old;
3228 table = get_table(table_name);
3229 row = must_get_row(ctx, table, record_id);
3230 die_if_error(get_column(table, column_name, &column));
3232 type = &column->type;
3233 ovsdb_datum_clone(&old, ovsdb_idl_read(row, column), &column->type);
3234 for (i = 4; i < ctx->argc; i++) {
3235 struct ovsdb_type rm_type;
3236 struct ovsdb_datum rm;
3241 rm_type.n_max = UINT_MAX;
3242 error = ovsdb_datum_from_string(&rm, &rm_type,
3243 ctx->argv[i], ctx->symtab);
3244 if (error && ovsdb_type_is_map(&rm_type)) {
3246 rm_type.value.type = OVSDB_TYPE_VOID;
3247 die_if_error(ovsdb_datum_from_string(&rm, &rm_type,
3248 ctx->argv[i], ctx->symtab));
3250 ovsdb_datum_subtract(&old, type, &rm, &rm_type);
3251 ovsdb_datum_destroy(&rm, &rm_type);
3253 if (old.n < type->n_min) {
3254 vsctl_fatal("\"remove\" operation would put %u %s in column %s of "
3255 "table %s but the minimum number is %u",
3257 type->value.type == OVSDB_TYPE_VOID ? "values" : "pairs",
3258 column->name, table->class->name, type->n_min);
3260 ovsdb_idl_txn_verify(row, column);
3261 ovsdb_idl_txn_write(row, column, &old);
3263 vsctl_context_invalidate_cache(ctx);
3267 pre_cmd_clear(struct vsctl_context *ctx)
3269 const char *table_name = ctx->argv[1];
3270 const struct vsctl_table_class *table;
3273 table = pre_get_table(ctx, table_name);
3274 for (i = 3; i < ctx->argc; i++) {
3275 const struct ovsdb_idl_column *column;
3277 pre_get_column(ctx, table, ctx->argv[i], &column);
3282 cmd_clear(struct vsctl_context *ctx)
3284 const char *table_name = ctx->argv[1];
3285 const char *record_id = ctx->argv[2];
3286 const struct vsctl_table_class *table;
3287 const struct ovsdb_idl_row *row;
3290 table = get_table(table_name);
3291 row = must_get_row(ctx, table, record_id);
3292 for (i = 3; i < ctx->argc; i++) {
3293 const struct ovsdb_idl_column *column;
3294 const struct ovsdb_type *type;
3295 struct ovsdb_datum datum;
3297 die_if_error(get_column(table, ctx->argv[i], &column));
3299 type = &column->type;
3300 if (type->n_min > 0) {
3301 vsctl_fatal("\"clear\" operation cannot be applied to column %s "
3302 "of table %s, which is not allowed to be empty",
3303 column->name, table->class->name);
3306 ovsdb_datum_init_empty(&datum);
3307 ovsdb_idl_txn_write(row, column, &datum);
3310 vsctl_context_invalidate_cache(ctx);
3314 pre_create(struct vsctl_context *ctx)
3316 const char *id = shash_find_data(&ctx->options, "--id");
3317 const char *table_name = ctx->argv[1];
3318 const struct vsctl_table_class *table;
3320 table = get_table(table_name);
3321 if (!id && !table->class->is_root) {
3322 VLOG_WARN("applying \"create\" command to table %s without --id "
3323 "option will have no effect", table->class->name);
3328 cmd_create(struct vsctl_context *ctx)
3330 const char *id = shash_find_data(&ctx->options, "--id");
3331 const char *table_name = ctx->argv[1];
3332 const struct vsctl_table_class *table = get_table(table_name);
3333 const struct ovsdb_idl_row *row;
3334 const struct uuid *uuid;
3338 struct ovsdb_symbol *symbol = create_symbol(ctx->symtab, id, NULL);
3339 if (table->class->is_root) {
3340 /* This table is in the root set, meaning that rows created in it
3341 * won't disappear even if they are unreferenced, so disable
3342 * warnings about that by pretending that there is a reference. */
3343 symbol->strong_ref = true;
3345 uuid = &symbol->uuid;
3350 row = ovsdb_idl_txn_insert(ctx->txn, table->class, uuid);
3351 for (i = 2; i < ctx->argc; i++) {
3352 set_column(table, row, ctx->argv[i], ctx->symtab);
3354 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(&row->uuid));
3357 /* This function may be used as the 'postprocess' function for commands that
3358 * insert new rows into the database. It expects that the command's 'run'
3359 * function prints the UUID reported by ovsdb_idl_txn_insert() as the command's
3360 * sole output. It replaces that output by the row's permanent UUID assigned
3361 * by the database server and appends a new-line.
3363 * Currently we use this only for "create", because the higher-level commands
3364 * are supposed to be independent of the actual structure of the vswitch
3367 post_create(struct vsctl_context *ctx)
3369 const struct uuid *real;
3372 if (!uuid_from_string(&dummy, ds_cstr(&ctx->output))) {
3375 real = ovsdb_idl_txn_get_insert_uuid(ctx->txn, &dummy);
3377 ds_clear(&ctx->output);
3378 ds_put_format(&ctx->output, UUID_FMT, UUID_ARGS(real));
3380 ds_put_char(&ctx->output, '\n');
3384 pre_cmd_destroy(struct vsctl_context *ctx)
3386 const char *table_name = ctx->argv[1];
3388 pre_get_table(ctx, table_name);
3392 cmd_destroy(struct vsctl_context *ctx)
3394 bool must_exist = !shash_find(&ctx->options, "--if-exists");
3395 const char *table_name = ctx->argv[1];
3396 const struct vsctl_table_class *table;
3399 table = get_table(table_name);
3400 for (i = 2; i < ctx->argc; i++) {
3401 const struct ovsdb_idl_row *row;
3403 row = (must_exist ? must_get_row : get_row)(ctx, table, ctx->argv[i]);
3405 ovsdb_idl_txn_delete(row);
3409 vsctl_context_invalidate_cache(ctx);
3413 RELOP(RELOP_EQ, "=") \
3414 RELOP(RELOP_NE, "!=") \
3415 RELOP(RELOP_LT, "<") \
3416 RELOP(RELOP_GT, ">") \
3417 RELOP(RELOP_LE, "<=") \
3418 RELOP(RELOP_GE, ">=") \
3419 RELOP(RELOP_SET_EQ, "{=}") \
3420 RELOP(RELOP_SET_NE, "{!=}") \
3421 RELOP(RELOP_SET_LT, "{<}") \
3422 RELOP(RELOP_SET_GT, "{>}") \
3423 RELOP(RELOP_SET_LE, "{<=}") \
3424 RELOP(RELOP_SET_GE, "{>=}")
3427 #define RELOP(ENUM, STRING) ENUM,
3433 is_set_operator(enum relop op)
3435 return (op == RELOP_SET_EQ || op == RELOP_SET_NE ||
3436 op == RELOP_SET_LT || op == RELOP_SET_GT ||
3437 op == RELOP_SET_LE || op == RELOP_SET_GE);
3441 evaluate_relop(const struct ovsdb_datum *a, const struct ovsdb_datum *b,
3442 const struct ovsdb_type *type, enum relop op)
3447 return ovsdb_datum_compare_3way(a, b, type) == 0;
3450 return ovsdb_datum_compare_3way(a, b, type) != 0;
3452 return ovsdb_datum_compare_3way(a, b, type) < 0;
3454 return ovsdb_datum_compare_3way(a, b, type) > 0;
3456 return ovsdb_datum_compare_3way(a, b, type) <= 0;
3458 return ovsdb_datum_compare_3way(a, b, type) >= 0;
3461 return b->n > a->n && ovsdb_datum_includes_all(a, b, type);
3463 return a->n > b->n && ovsdb_datum_includes_all(b, a, type);
3465 return ovsdb_datum_includes_all(a, b, type);
3467 return ovsdb_datum_includes_all(b, a, type);
3475 is_condition_satisfied(const struct vsctl_table_class *table,
3476 const struct ovsdb_idl_row *row, const char *arg,
3477 struct ovsdb_symbol_table *symtab)
3479 static const char *operators[] = {
3480 #define RELOP(ENUM, STRING) STRING,
3485 const struct ovsdb_idl_column *column;
3486 const struct ovsdb_datum *have_datum;
3487 char *key_string, *value_string;
3488 struct ovsdb_type type;
3493 error = parse_column_key_value(arg, table, &column, &key_string,
3494 &operator, operators, ARRAY_SIZE(operators),
3496 die_if_error(error);
3497 if (!value_string) {
3498 vsctl_fatal("%s: missing value", arg);
3501 type = column->type;
3502 type.n_max = UINT_MAX;
3504 have_datum = ovsdb_idl_read(row, column);
3506 union ovsdb_atom want_key;
3507 struct ovsdb_datum b;
3510 if (column->type.value.type == OVSDB_TYPE_VOID) {
3511 vsctl_fatal("cannot specify key to check for non-map column %s",
3515 die_if_error(ovsdb_atom_from_string(&want_key, &column->type.key,
3516 key_string, symtab));
3518 type.key = type.value;
3519 type.value.type = OVSDB_TYPE_VOID;
3520 die_if_error(ovsdb_datum_from_string(&b, &type, value_string, symtab));
3522 idx = ovsdb_datum_find_key(have_datum,
3523 &want_key, column->type.key.type);
3524 if (idx == UINT_MAX && !is_set_operator(operator)) {
3527 struct ovsdb_datum a;
3529 if (idx != UINT_MAX) {
3531 a.keys = &have_datum->values[idx];
3539 retval = evaluate_relop(&a, &b, &type, operator);
3542 ovsdb_atom_destroy(&want_key, column->type.key.type);
3543 ovsdb_datum_destroy(&b, &type);
3545 struct ovsdb_datum want_datum;
3547 die_if_error(ovsdb_datum_from_string(&want_datum, &column->type,
3548 value_string, symtab));
3549 retval = evaluate_relop(have_datum, &want_datum, &type, operator);
3550 ovsdb_datum_destroy(&want_datum, &column->type);
3560 pre_cmd_wait_until(struct vsctl_context *ctx)
3562 const char *table_name = ctx->argv[1];
3563 const struct vsctl_table_class *table;
3566 table = pre_get_table(ctx, table_name);
3568 for (i = 3; i < ctx->argc; i++) {
3569 pre_parse_column_key_value(ctx, ctx->argv[i], table);
3574 cmd_wait_until(struct vsctl_context *ctx)
3576 const char *table_name = ctx->argv[1];
3577 const char *record_id = ctx->argv[2];
3578 const struct vsctl_table_class *table;
3579 const struct ovsdb_idl_row *row;
3582 table = get_table(table_name);
3584 row = get_row(ctx, table, record_id);
3586 ctx->try_again = true;
3590 for (i = 3; i < ctx->argc; i++) {
3591 if (!is_condition_satisfied(table, row, ctx->argv[i], ctx->symtab)) {
3592 ctx->try_again = true;
3598 /* Prepares 'ctx', which has already been initialized with
3599 * vsctl_context_init(), for processing 'command'. */
3601 vsctl_context_init_command(struct vsctl_context *ctx,
3602 struct vsctl_command *command)
3604 ctx->argc = command->argc;
3605 ctx->argv = command->argv;
3606 ctx->options = command->options;
3608 ds_swap(&ctx->output, &command->output);
3609 ctx->table = command->table;
3611 ctx->verified_ports = false;
3613 ctx->try_again = false;
3616 /* Prepares 'ctx' for processing commands, initializing its members with the
3617 * values passed in as arguments.
3619 * If 'command' is nonnull, calls vsctl_context_init_command() to prepare for
3620 * that particular command. */
3622 vsctl_context_init(struct vsctl_context *ctx, struct vsctl_command *command,
3623 struct ovsdb_idl *idl, struct ovsdb_idl_txn *txn,
3624 const struct ovsrec_open_vswitch *ovs,
3625 struct ovsdb_symbol_table *symtab)
3628 vsctl_context_init_command(ctx, command);
3633 ctx->symtab = symtab;
3634 ctx->cache_valid = false;
3637 /* Completes processing of 'command' within 'ctx'. */
3639 vsctl_context_done_command(struct vsctl_context *ctx,
3640 struct vsctl_command *command)
3642 ds_swap(&ctx->output, &command->output);
3643 command->table = ctx->table;
3646 /* Finishes up with 'ctx'.
3648 * If command is nonnull, first calls vsctl_context_done_command() to complete
3649 * processing that command within 'ctx'. */
3651 vsctl_context_done(struct vsctl_context *ctx, struct vsctl_command *command)
3654 vsctl_context_done_command(ctx, command);
3656 vsctl_context_invalidate_cache(ctx);
3660 run_prerequisites(struct vsctl_command *commands, size_t n_commands,
3661 struct ovsdb_idl *idl)
3663 struct vsctl_command *c;
3665 ovsdb_idl_add_table(idl, &ovsrec_table_open_vswitch);
3666 if (wait_for_reload) {
3667 ovsdb_idl_add_column(idl, &ovsrec_open_vswitch_col_cur_cfg);
3669 for (c = commands; c < &commands[n_commands]; c++) {
3670 if (c->syntax->prerequisites) {
3671 struct vsctl_context ctx;
3673 ds_init(&c->output);
3676 vsctl_context_init(&ctx, c, idl, NULL, NULL, NULL);
3677 (c->syntax->prerequisites)(&ctx);
3678 vsctl_context_done(&ctx, c);
3680 assert(!c->output.string);
3687 do_vsctl(const char *args, struct vsctl_command *commands, size_t n_commands,
3688 struct ovsdb_idl *idl)
3690 struct ovsdb_idl_txn *txn;
3691 const struct ovsrec_open_vswitch *ovs;
3692 enum ovsdb_idl_txn_status status;
3693 struct ovsdb_symbol_table *symtab;
3694 struct vsctl_context ctx;
3695 struct vsctl_command *c;
3696 struct shash_node *node;
3697 int64_t next_cfg = 0;
3700 txn = the_idl_txn = ovsdb_idl_txn_create(idl);
3702 ovsdb_idl_txn_set_dry_run(txn);
3705 ovsdb_idl_txn_add_comment(txn, "ovs-vsctl: %s", args);
3707 ovs = ovsrec_open_vswitch_first(idl);
3709 /* XXX add verification that table is empty */
3710 ovs = ovsrec_open_vswitch_insert(txn);
3713 if (wait_for_reload) {
3714 ovsdb_idl_txn_increment(txn, &ovs->header_,
3715 &ovsrec_open_vswitch_col_next_cfg);
3718 symtab = ovsdb_symbol_table_create();
3719 for (c = commands; c < &commands[n_commands]; c++) {
3720 ds_init(&c->output);
3723 vsctl_context_init(&ctx, NULL, idl, txn, ovs, symtab);
3724 for (c = commands; c < &commands[n_commands]; c++) {
3725 vsctl_context_init_command(&ctx, c);
3726 if (c->syntax->run) {
3727 (c->syntax->run)(&ctx);
3729 vsctl_context_done_command(&ctx, c);
3731 if (ctx.try_again) {
3732 vsctl_context_done(&ctx, NULL);
3734 status = TXN_TRY_AGAIN;
3738 vsctl_context_done(&ctx, NULL);
3740 SHASH_FOR_EACH (node, &symtab->sh) {
3741 struct ovsdb_symbol *symbol = node->data;
3742 if (!symbol->created) {
3743 vsctl_fatal("row id \"%s\" is referenced but never created (e.g. "
3744 "with \"-- --id=%s create ...\")",
3745 node->name, node->name);
3747 if (!symbol->strong_ref) {
3748 if (!symbol->weak_ref) {
3749 VLOG_WARN("row id \"%s\" was created but no reference to it "
3750 "was inserted, so it will not actually appear in "
3751 "the database", node->name);
3753 VLOG_WARN("row id \"%s\" was created but only a weak "
3754 "reference to it was inserted, so it will not "
3755 "actually appear in the database", node->name);
3760 status = ovsdb_idl_txn_commit_block(txn);
3761 if (wait_for_reload && status == TXN_SUCCESS) {
3762 next_cfg = ovsdb_idl_txn_get_increment_new_value(txn);
3764 if (status == TXN_UNCHANGED || status == TXN_SUCCESS) {
3765 for (c = commands; c < &commands[n_commands]; c++) {
3766 if (c->syntax->postprocess) {
3767 struct vsctl_context ctx;
3769 vsctl_context_init(&ctx, c, idl, txn, ovs, symtab);
3770 (c->syntax->postprocess)(&ctx);
3771 vsctl_context_done(&ctx, c);
3775 error = xstrdup(ovsdb_idl_txn_get_error(txn));
3776 ovsdb_idl_txn_destroy(txn);
3777 txn = the_idl_txn = NULL;
3780 case TXN_UNCOMMITTED:
3781 case TXN_INCOMPLETE:
3785 /* Should not happen--we never call ovsdb_idl_txn_abort(). */
3786 vsctl_fatal("transaction aborted");
3796 vsctl_fatal("transaction error: %s", error);
3798 case TXN_NOT_LOCKED:
3799 /* Should not happen--we never call ovsdb_idl_set_lock(). */
3800 vsctl_fatal("database not locked");
3807 ovsdb_symbol_table_destroy(symtab);
3809 for (c = commands; c < &commands[n_commands]; c++) {
3810 struct ds *ds = &c->output;
3813 table_print(c->table, &table_style);
3814 } else if (oneline) {
3818 for (j = 0; j < ds->length; j++) {
3819 int ch = ds->string[j];
3822 fputs("\\n", stdout);
3826 fputs("\\\\", stdout);
3835 fputs(ds_cstr(ds), stdout);
3837 ds_destroy(&c->output);
3838 table_destroy(c->table);
3841 smap_destroy(&c->options);
3845 if (wait_for_reload && status != TXN_UNCHANGED) {
3848 OVSREC_OPEN_VSWITCH_FOR_EACH (ovs, idl) {
3849 if (ovs->cur_cfg >= next_cfg) {
3853 ovsdb_idl_wait(idl);
3858 ovsdb_idl_destroy(idl);
3863 /* Our transaction needs to be rerun, or a prerequisite was not met. Free
3864 * resources and return so that the caller can try again. */
3866 ovsdb_idl_txn_abort(txn);
3867 ovsdb_idl_txn_destroy(txn);
3869 ovsdb_symbol_table_destroy(symtab);
3870 for (c = commands; c < &commands[n_commands]; c++) {
3871 ds_destroy(&c->output);
3872 table_destroy(c->table);
3878 static const struct vsctl_command_syntax all_commands[] = {
3879 /* Open vSwitch commands. */
3880 {"init", 0, 0, NULL, cmd_init, NULL, "", RW},
3881 {"show", 0, 0, pre_cmd_show, cmd_show, NULL, "", RO},
3883 /* Bridge commands. */
3884 {"add-br", 1, 3, pre_get_info, cmd_add_br, NULL, "--may-exist", RW},
3885 {"del-br", 1, 1, pre_get_info, cmd_del_br, NULL, "--if-exists", RW},
3886 {"list-br", 0, 0, pre_get_info, cmd_list_br, NULL, "", RO},
3887 {"br-exists", 1, 1, pre_get_info, cmd_br_exists, NULL, "", RO},
3888 {"br-to-vlan", 1, 1, pre_get_info, cmd_br_to_vlan, NULL, "", RO},
3889 {"br-to-parent", 1, 1, pre_get_info, cmd_br_to_parent, NULL, "", RO},
3890 {"br-set-external-id", 2, 3, pre_cmd_br_set_external_id,
3891 cmd_br_set_external_id, NULL, "", RW},
3892 {"br-get-external-id", 1, 2, pre_cmd_br_get_external_id,
3893 cmd_br_get_external_id, NULL, "", RO},
3895 /* Port commands. */
3896 {"list-ports", 1, 1, pre_get_info, cmd_list_ports, NULL, "", RO},
3897 {"add-port", 2, INT_MAX, pre_get_info, cmd_add_port, NULL, "--may-exist",
3899 {"add-bond", 4, INT_MAX, pre_get_info, cmd_add_bond, NULL,
3900 "--may-exist,--fake-iface", RW},
3901 {"del-port", 1, 2, pre_get_info, cmd_del_port, NULL,
3902 "--if-exists,--with-iface", RW},
3903 {"port-to-br", 1, 1, pre_get_info, cmd_port_to_br, NULL, "", RO},
3905 /* Interface commands. */
3906 {"list-ifaces", 1, 1, pre_get_info, cmd_list_ifaces, NULL, "", RO},
3907 {"iface-to-br", 1, 1, pre_get_info, cmd_iface_to_br, NULL, "", RO},
3909 /* Controller commands. */
3910 {"get-controller", 1, 1, pre_controller, cmd_get_controller, NULL, "", RO},
3911 {"del-controller", 1, 1, pre_controller, cmd_del_controller, NULL, "", RW},
3912 {"set-controller", 1, INT_MAX, pre_controller, cmd_set_controller, NULL,
3914 {"get-fail-mode", 1, 1, pre_get_info, cmd_get_fail_mode, NULL, "", RO},
3915 {"del-fail-mode", 1, 1, pre_get_info, cmd_del_fail_mode, NULL, "", RW},
3916 {"set-fail-mode", 2, 2, pre_get_info, cmd_set_fail_mode, NULL, "", RW},
3918 /* Manager commands. */
3919 {"get-manager", 0, 0, pre_manager, cmd_get_manager, NULL, "", RO},
3920 {"del-manager", 0, INT_MAX, pre_manager, cmd_del_manager, NULL, "", RW},
3921 {"set-manager", 1, INT_MAX, pre_manager, cmd_set_manager, NULL, "", RW},
3924 {"get-ssl", 0, 0, pre_cmd_get_ssl, cmd_get_ssl, NULL, "", RO},
3925 {"del-ssl", 0, 0, pre_cmd_del_ssl, cmd_del_ssl, NULL, "", RW},
3926 {"set-ssl", 3, 3, pre_cmd_set_ssl, cmd_set_ssl, NULL, "--bootstrap", RW},
3928 /* Switch commands. */
3929 {"emer-reset", 0, 0, pre_cmd_emer_reset, cmd_emer_reset, NULL, "", RW},
3931 /* Database commands. */
3932 {"comment", 0, INT_MAX, NULL, NULL, NULL, "", RO},
3933 {"get", 2, INT_MAX, pre_cmd_get, cmd_get, NULL, "--if-exists,--id=", RO},
3934 {"list", 1, INT_MAX, pre_cmd_list, cmd_list, NULL, "--columns=", RO},
3935 {"find", 1, INT_MAX, pre_cmd_find, cmd_find, NULL, "--columns=", RO},
3936 {"set", 3, INT_MAX, pre_cmd_set, cmd_set, NULL, "", RW},
3937 {"add", 4, INT_MAX, pre_cmd_add, cmd_add, NULL, "", RW},
3938 {"remove", 4, INT_MAX, pre_cmd_remove, cmd_remove, NULL, "", RW},
3939 {"clear", 3, INT_MAX, pre_cmd_clear, cmd_clear, NULL, "", RW},
3940 {"create", 2, INT_MAX, pre_create, cmd_create, post_create, "--id=", RW},
3941 {"destroy", 1, INT_MAX, pre_cmd_destroy, cmd_destroy, NULL, "--if-exists",
3943 {"wait-until", 2, INT_MAX, pre_cmd_wait_until, cmd_wait_until, NULL, "",
3946 {NULL, 0, 0, NULL, NULL, NULL, NULL, RO},