argv0 = sys.argv[0]
-def printEdge(tableName, baseType, label):
- if baseType.ref_table:
+def printEdge(tableName, type, baseType, label):
+ if baseType.ref_table_name:
+ if type.n_min == 0:
+ if type.n_max == 1:
+ arity = "?"
+ elif type.n_max == sys.maxint:
+ arity = "*"
+ else:
+ arity = "{,%d}" % type.n_max
+ elif type.n_min == 1:
+ if type.n_max == 1:
+ arity = ""
+ elif type.n_max == sys.maxint:
+ arity = "+"
+ else:
+ arity = "{1,%d}" % type.n_max
+
options = {}
- options['label'] = '"%s"' % label
+ options['label'] = '"%s%s"' % (label, arity)
if baseType.ref_type == 'weak':
options['constraint'] = 'false'
+ options['style'] = 'dotted'
print "\t%s -> %s [%s];" % (
tableName,
- baseType.ref_table,
+ baseType.ref_table_name,
', '.join(['%s=%s' % (k,v) for k,v in options.items()]))
-def schemaToDot(schemaFile):
+def schemaToDot(schemaFile, arrows):
schema = ovs.db.schema.DbSchema.from_json(ovs.json.from_file(schemaFile))
print "digraph %s {" % schema.name
- for tableName, table in schema.tables.iteritems():
- print '\tsize="6.5,4";'
- print '\tmargin="0";'
- print "\tnode [shape=box];"
+ print '\trankdir=LR;'
+ print '\tsize="6.5,4";'
+ print '\tmargin="0";'
+ print "\tnode [shape=box];"
+ if not arrows:
print "\tedge [dir=none, arrowhead=none, arrowtail=none];"
- print "\t%s;" % tableName
+ for tableName, table in schema.tables.iteritems():
+ options = {}
+ if table.is_root:
+ options['style'] = 'bold'
+ print "\t%s [%s];" % (
+ tableName,
+ ', '.join(['%s=%s' % (k,v) for k,v in options.items()]))
for columnName, column in table.columns.iteritems():
if column.type.value:
- printEdge(tableName, column.type.key, "%s key" % columnName)
- printEdge(tableName, column.type.value, "%s value" % columnName)
+ printEdge(tableName, column.type, column.type.key, "%s key" % columnName)
+ printEdge(tableName, column.type, column.type.value, "%s value" % columnName)
else:
- printEdge(tableName, column.type.key, columnName)
+ printEdge(tableName, column.type, column.type.key, columnName)
print "}";
def usage():
where SCHEMA is an OVSDB schema in JSON format
The following options are also available:
+ --no-arrows omit arrows from diagram
-h, --help display this help message
-V, --version display version information\
""" % {'argv0': argv0}
try:
try:
options, args = getopt.gnu_getopt(sys.argv[1:], 'hV',
- ['help', 'version'])
+ ['no-arrows',
+ 'help', 'version',])
except getopt.GetoptError, geo:
sys.stderr.write("%s: %s\n" % (argv0, geo.msg))
sys.exit(1)
+ arrows = True
for key, value in options:
- if key in ['-h', '--help']:
+ if key == '--no-arrows':
+ arrows = False
+ elif key in ['-h', '--help']:
usage()
elif key in ['-V', '--version']:
print "ovsdb-dot (Open vSwitch) @VERSION@"
"(use --help for help)\n" % argv0)
sys.exit(1)
- schemaToDot(args[0])
+ schemaToDot(args[0], arrows)
except ovs.db.error.Error, e:
sys.stderr.write("%s: %s\n" % (argv0, e.msg))