EXECUTION_EXAMPLES
\f
+AT_BANNER([ovsdb-server miscellaneous features])
+
AT_SETUP([truncating corrupted database log])
AT_KEYWORDS([ovsdb server positive unix])
OVS_RUNDIR=`pwd`; export OVS_RUNDIR
OVSDB_SERVER_SHUTDOWN
AT_CLEANUP
+AT_SETUP([ovsdb-server/add-db and remove-db])
+AT_KEYWORDS([ovsdb server positive])
+ON_EXIT([kill `cat ovsdb-server.pid`])
+OVS_RUNDIR=`pwd`; export OVS_RUNDIR
+OVS_LOGDIR=`pwd`; export OVS_LOGDIR
+ordinal_schema > schema1
+constraint_schema > schema2
+AT_CHECK([ovsdb-tool create db1 schema1], [0], [ignore], [ignore])
+AT_CHECK([ovsdb-tool create db2 schema2], [0], [ignore], [ignore])
+
+# Start ovsdb-server with just a single database - db1.
+AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --remote=punix:socket db1], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [ordinals
+])
+
+# Add the second database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-db db2], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [constraints
+ordinals
+])
+
+# The databases are responsive.
+AT_CHECK([ovsdb-client list-tables unix:socket constraints], [0], [ignore], [ignore])
+AT_CHECK([ovsdb-client list-tables unix:socket ordinals], [0], [ignore], [ignore])
+
+# Add an already added database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-db db2], 2, [], [stderr])
+AT_CHECK([sed 's/(.*)/(...)/' stderr], [0],
+ [I/O error: db2: failed to lock lockfile (...)
+ovs-appctl: ovsdb-server: server returned an error
+])
+
+# Add a non-existing database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-db db3], 2, [], [stderr])
+AT_CHECK([sed 's/(.*)/(...)/' stderr], [0],
+ [I/O error: open: db3 failed (...)
+ovs-appctl: ovsdb-server: server returned an error
+])
+
+# Add a remote through a db path in db1.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-remote db:ordinals,ordinals,name], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-remotes],
+ [0], [db:ordinals,ordinals,name
+punix:socket
+])
+
+# Removing db1 has no effect on its remote.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/remove-db ordinals], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [constraints
+])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-remotes],
+ [0], [db:ordinals,ordinals,name
+punix:socket
+])
+AT_CHECK([ovsdb-client list-tables unix:socket ordinals], [1], [ignore], [ignore])
+
+# Remove db2.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/remove-db constraints], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [])
+AT_CHECK([ovsdb-client list-tables unix:socket constraints], [1], [ignore], [ignore])
+
+# Remove a non-existent database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/remove-db ordinals], [2],
+ [], [Failed to find the database.
+ovs-appctl: ovsdb-server: server returned an error
+])
+
+# Add a removed database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-db db2], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [constraints
+])
+AT_CHECK([ovsdb-client list-tables unix:socket constraints], [0], [ignore], [ignore])
+AT_CLEANUP
+
+AT_SETUP([ovsdb-server/add-db with --monitor])
+AT_KEYWORDS([ovsdb server positive])
+# Start ovsdb-server, initially with one db.
+OVS_RUNDIR=`pwd`; export OVS_RUNDIR
+OVS_LOGDIR=`pwd`; export OVS_LOGDIR
+ordinal_schema > schema
+AT_CHECK([ovsdb-tool create db1 schema], [0], [ignore], [ignore])
+ON_EXIT([kill `cat *.pid`])
+AT_CHECK([ovsdb-server -v -vvlog:off --monitor --detach --no-chdir --pidfile --log-file db1])
+
+# Add the second database.
+constraint_schema > schema2
+AT_CHECK([ovsdb-tool create db2 schema2], [0], [ignore], [ignore])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-db db2], [0])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [constraints
+ordinals
+])
+
+# Kill the daemon process, making it look like a segfault,
+# and wait for a new daemon process to get spawned.
+cp ovsdb-server.pid old.pid
+AT_CHECK([kill -SEGV `cat ovsdb-server.pid`])
+OVS_WAIT_WHILE([kill -0 `cat old.pid`])
+OVS_WAIT_UNTIL(
+ [test -s ovsdb-server.pid && test `cat ovsdb-server.pid` != `cat old.pid`])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [constraints
+ordinals
+])
+AT_CLEANUP
+
+AT_SETUP([ovsdb-server/add-db and remove-db with --monitor])
+AT_KEYWORDS([ovsdb server positive])
+# Start ovsdb-server, initially with one db.
+OVS_RUNDIR=`pwd`; export OVS_RUNDIR
+OVS_LOGDIR=`pwd`; export OVS_LOGDIR
+ordinal_schema > schema
+AT_CHECK([ovsdb-tool create db1 schema], [0], [ignore], [ignore])
+constraint_schema > schema2
+AT_CHECK([ovsdb-tool create db2 schema2], [0], [ignore], [ignore])
+ON_EXIT([kill `cat *.pid`])
+AT_CHECK([ovsdb-server -v -vvlog:off --monitor --detach --no-chdir --pidfile --log-file db1 db2])
+
+# Remove the second database.
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/remove-db constraints])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [ordinals
+])
+
+# Kill the daemon process, making it look like a segfault,
+# and wait for a new daemon process to get spawned.
+cp ovsdb-server.pid old.pid
+AT_CHECK([kill -SEGV `cat ovsdb-server.pid`])
+OVS_WAIT_WHILE([kill -0 `cat old.pid`])
+OVS_WAIT_UNTIL(
+ [test -s ovsdb-server.pid && test `cat ovsdb-server.pid` != `cat old.pid`])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-dbs],
+ [0], [ordinals
+])
+AT_CLEANUP
+
AT_SETUP([--remote=db: implementation])
AT_KEYWORDS([ovsdb server positive])
OVS_RUNDIR=`pwd`; export OVS_RUNDIR
AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-remotes])
AT_CLEANUP
-AT_SETUP([ovsdb-server/add-remote and remove-remote with --monitor])
+AT_SETUP([ovsdb-server/add-remote with --monitor])
AT_KEYWORDS([ovsdb server positive])
# Start ovsdb-server, initially with no remotes.
OVS_RUNDIR=`pwd`; export OVS_RUNDIR
OVS_WAIT_UNTIL(
[test -s ovsdb-server.pid && test `cat ovsdb-server.pid` != `cat old.pid`])
OVS_WAIT_UNTIL([test -S socket1])
+AT_CLEANUP
+
+AT_SETUP([ovsdb-server/add-remote and remove-remote with --monitor])
+AT_KEYWORDS([ovsdb server positive])
+# Start ovsdb-server, initially with no remotes.
+OVS_RUNDIR=`pwd`; export OVS_RUNDIR
+OVS_LOGDIR=`pwd`; export OVS_LOGDIR
+ordinal_schema > schema
+AT_CHECK([ovsdb-tool create db schema], [0], [ignore], [ignore])
+ON_EXIT([kill `cat *.pid`])
+AT_CHECK([ovsdb-server -v -vvlog:off --monitor --detach --no-chdir --pidfile --log-file db])
+
+# Add a remote.
+AT_CHECK([test ! -e socket1])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/add-remote punix:socket1])
+OVS_WAIT_UNTIL([test -S socket1])
+AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/list-remotes],
+ [0], [punix:socket1
+])
# Remove the remote.
AT_CHECK([ovs-appctl -t ovsdb-server ovsdb-server/remove-remote punix:socket1])
AT_SKIP_IF([test "$HAVE_OPENSSL" = no])
PKIDIR=$abs_top_builddir/tests
AT_SKIP_IF([expr "$PKIDIR" : ".*[ '\"
-\r\\]"])
+\\]"])
AT_DATA([schema],
[[{"name": "mydb",
"tables": {
[0], [stdout], [ignore], [test ! -e pid || kill `cat pid`])
cat stdout >> output
AT_CHECK_UNQUOTED(
- [${PERL} $srcdir/uuidfilt.pl output], [0],
+ [cat output], [0],
[[[{"rows":[{"private_key":"$PKIDIR/testpki-privkey2.pem"}]}]
]], [ignore], [test ! -e pid || kill `cat pid`])
OVSDB_SERVER_SHUTDOWN
], [], [test ! -e pid || kill `cat pid`])
OVSDB_SERVER_SHUTDOWN
AT_CLEANUP
+
+AT_SETUP([ovsdb-server connection queue limits])
+OVS_LOGDIR=`pwd`; export OVS_LOGDIR
+OVS_RUNDIR=`pwd`; export OVS_RUNDIR
+ON_EXIT([kill `cat *.pid`])
+
+# The maximum socket receive buffer size is important for this test, which
+# tests behavior when the receive buffer overflows.
+if test -e /proc/sys/net/core/rmem_max; then
+ # Linux
+ rmem_max=`cat /proc/sys/net/core/rmem_max`
+elif rmem_max=`sysctl -n net.inet.tcp.recvbuf_max 2>/dev/null`; then
+ : # FreeBSD
+else
+ # Don't know how to get maximum socket receive buffer on this OS
+ AT_SKIP_IF([:])
+fi
+# Calculate the total amount of data we need to queue: rmem_max in the
+# kernel plus 1024 kB in jsonrpc-server sending userspace (see default
+# backlog_threshold in ovsdb_jsonrpc_session_create() in
+# jsonrpc-server.c).
+queue_size=`expr $rmem_max + 1024 \* 1024`
+echo rmem_max=$rmem_max queue_size=$queue_size
+
+# Each flow update message takes up at least 48 bytes of space in queues
+# and in practice more than that.
+n_msgs=`expr $queue_size / 48`
+echo n_msgs=$n_msgs
+
+# Start an ovsdb-server with the vswitchd schema.
+OVSDB_INIT([db])
+AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file --remote=punix:socket db],
+ [0], [ignore], [ignore])
+
+# Executes a pair of transactions that add a bridge with 100 ports,
+# and then deletes that bridge. Each of these transactions yields
+# a monitor update about 25 kB in size.
+trigger_big_update () {
+ ovs-vsctl --db=unix:socket --no-wait -- add-br br0 $add
+ ovs-vsctl --db=unix:socket --no-wait -- del-br br0
+}
+add_ports () {
+ for j in `seq 1 100`; do
+ printf " -- add-port br0 p%d" $j
+ done
+}
+add=`add_ports`
+
+AT_CAPTURE_FILE([ovsdb-client.out])
+AT_CAPTURE_FILE([ovsdb-client.err])
+
+# Start an ovsdb-client monitoring all changes to the database,
+# make it block to force the buffers to fill up, and then execute
+# enough transactions that ovsdb-server disconnects it.
+AT_CHECK([ovsdb-client --detach --no-chdir --pidfile monitor unix:socket ALL >ovsdb-client.out 2>ovsdb-client.err])
+AT_CHECK([ovs-appctl -t ovsdb-client ovsdb-client/block])
+for i in `seq 1 100`; do
+ echo "blocked update ($i of 100)"
+ trigger_big_update
+done
+AT_CHECK([ovs-appctl -t ovsdb-client ovsdb-client/unblock])
+
+# Make sure that ovsdb-server disconnected the client and
+# that the client exited as a result.
+if grep "bytes backlogged but a complete replica would only take [[0-9]]* bytes, disconnecting" ovsdb-server.log; then
+ :
+else
+ AT_FAIL_IF([:])
+fi
+OVS_WAIT_WHILE([test -e ovsdb-client.pid])
+
+# Start an ovsdb-client monitoring all changes to the database,
+# without making it block, and then execute the same transactions that
+# we did before. This time the client should not get disconnected.
+AT_CHECK([ovsdb-client --detach --no-chdir --pidfile monitor unix:socket ALL >ovsdb-client.out 2>ovsdb-client.err])
+for i in `seq 1 100`; do
+ echo "unblocked update ($i of 100)"
+ trigger_big_update
+
+ # Make sure that ovsdb-client gets enough CPU time to process the updates.
+ ovs-appctl -t ovsdb-client version > /dev/null
+done
+AT_CLEANUP
\f
AT_BANNER([OVSDB -- ovsdb-server transactions (SSL sockets)])