def setup():
"Ensure any dependencies are loaded; if not, try to load them."
moduleName = 'Open vSwitch (openvswitch.org)'
pathCheck('ovs-vsctl',
'ovsdb-server',
'ovs-vswitchd',
moduleName=moduleName)
moduleDeps(subtract=OF_KMOD, add=OVS_KMOD, moduleName=moduleName)
if not checkRunning('ovsdb-server', 'ovs-vswitchd'):
ovsdb_server_cmd = [
'ovsdb-server', '--remote=punix:/tmp/mn-openvswitch-db.sock',
'--remote=db:Open_vSwitch,manager_options'
]
# We need to specify the DB path for OVS before 1.2.0
ovs_ver = quietRun('ovsdb-server -V').split('\n')[0]
# Note the space in front of the version strings.
# TODO: Maybe we should extract the version instead of
# substr matching
if ' 1.1.' in ovs_ver or ' 1.0.' in ovs_ver:
ovsdb_server_cmd.insert(1,
'/usr/local/etc/openvswitch/conf.db')
# Every OVS command *except* ovsdb-server has a default path
# to the database socket hardcoded. Problem is: if we need
# to run ovsdb-server ourselves we cannot figure out what
# this path is. Grr.
ovsdb_instance = Popen(ovsdb_server_cmd,
stderr=STDOUT,
stdout=open('/tmp/mn-ovsdb-server.log',
"w"))
sleep(0.1)
if ovsdb_instance.poll() is not None:
error(
"ovsdb-server was not running and we could not start it - exiting\n"
)
sys.exit(1)
vswitchd_instance = Popen(
['ovs-vswitchd', 'unix:/tmp/mn-openvswitch-db.sock'],
stderr=STDOUT,
stdout=open('/tmp/mn-vswitchd.log', "w"))
if vswitchd_instance.poll() is not None:
error(
"ovs-vswitchd was not running and we could not start it - exiting\n"
)
sys.exit(1)
sleep(0.1)
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 --db=unix:/tmp/mn-openvswitch-db.sock '
else:
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 '
# Remove old mininet datapaths to make sure they don't interfere
brlist = quietRun(OVSKernelSwitchNew.vsctl_cmd + ' list-br')
for line in brlist.split("\n"):
line = line.rstrip()
if re.match('^mn-dp[0-9]+$', line):
quietRun(OVSKernelSwitchNew.vsctl_cmd + ' del-br ' + line)
def setup():
"Ensure any dependencies are loaded; if not, try to load them."
moduleName='Open vSwitch (openvswitch.org)'
pathCheck( 'ovs-vsctl', 'ovsdb-server', 'ovs-vswitchd', moduleName=moduleName )
moduleDeps( subtract=OF_KMOD, add=OVS_KMOD, moduleName=moduleName )
if not checkRunning('ovsdb-server', 'ovs-vswitchd'):
ovsdb_server_cmd = ['ovsdb-server',
'--remote=punix:/tmp/mn-openvswitch-db.sock',
'--remote=db:Open_vSwitch,manager_options']
# We need to specify the DB path for OVS before 1.2.0
ovs_ver = quietRun('ovsdb-server -V').split('\n')[0]
# Note the space in front of the version strings.
# TODO: Maybe we should extract the version instead of
# substr matching
if ' 1.1.' in ovs_ver or ' 1.0.' in ovs_ver:
ovsdb_server_cmd.insert(1, '/usr/local/etc/openvswitch/conf.db')
# Every OVS command *except* ovsdb-server has a default path
# to the database socket hardcoded. Problem is: if we need
# to run ovsdb-server ourselves we cannot figure out what
# this path is. Grr.
ovsdb_instance = Popen(ovsdb_server_cmd,
stderr = STDOUT, stdout = open('/tmp/mn-ovsdb-server.log', "w") )
sleep(0.1)
if ovsdb_instance.poll() is not None:
error("ovsdb-server was not running and we could not start it - exiting\n")
sys.exit(1)
vswitchd_instance = Popen(['ovs-vswitchd', 'unix:/tmp/mn-openvswitch-db.sock'],
stderr = STDOUT, stdout = open('/tmp/mn-vswitchd.log', "w") )
if vswitchd_instance.poll() is not None:
error("ovs-vswitchd was not running and we could not start it - exiting\n")
sys.exit(1)
sleep(0.1)
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 --db=unix:/tmp/mn-openvswitch-db.sock '
else:
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 '
# Remove old mininet datapaths to make sure they don't interfere
brlist = quietRun ( OVSKernelSwitchNew.vsctl_cmd + ' list-br' )
for line in brlist.split("\n"):
line = line.rstrip()
if re.match('^mn-dp[0-9]+$', line):
quietRun ( OVSKernelSwitchNew.vsctl_cmd + ' del-br ' + line )
def setup():
"Ensure any dependencies are loaded; if not, try to load them."
moduleName='Open vSwitch (openvswitch.org)'
pathCheck( 'ovs-vsctl', 'ovsdb-server', 'ovs-vswitchd', moduleName=moduleName )
output = quietRun('ovs-vsctl --version')
if "1.7" in output:
# The kernel module name is changed some time in 2012
# http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;
# a=commitdiff;h=9b80f761bed9a32c1b0eb22ee3361966057ea973
moduleDeps( subtract=OF_KMOD, add="openvswitch", moduleName=moduleName )
else:
moduleDeps( subtract=OF_KMOD, add=OVS_KMOD, moduleName=moduleName )
if not checkRunning('ovsdb-server', 'ovs-vswitchd'):
# db, socket, pid, log file paths
ovsInstanceDir = "/var/run/openvswitch"
quietRun('mkdir -p %s' % ovsInstanceDir)
confDbPath = "%s/conf.db" % ovsInstanceDir
dbSockPath = "%s/db.sock" % ovsInstanceDir
ovsdbServerPidPath = "%s/ovsdb-server.pid" % ovsInstanceDir
ovsdbServerLogPath = "%s/ovsdb-server.log" % ovsInstanceDir
ovsVswitchdPidPath = "%s/ovs-vswitchd.pid" % ovsInstanceDir
ovsVswitchdLogPath = "%s/ovs-vswitchd.log" % ovsInstanceDir
# Create ovs database
quietRun("ovsdb-tool create %s" % confDbPath)
# Start ovsdb-server
ovsdb_instance = Popen(['ovsdb-server',
confDbPath,
'--remote=punix:%s' % dbSockPath,
'--remote=db:Open_vSwitch,manager_options',
'--detach',
'--pidfile=%s' % ovsdbServerPidPath,
'--log-file=%s' % ovsdbServerLogPath],
stderr = sys.stderr,
stdout = sys.stdout)
assert ovsdb_instance.wait() == 0
# Start ovs-vswitchd
vswitchd_instance = Popen(['ovs-vswitchd',
'unix:%s' % dbSockPath,
'--detach',
'--pidfile=%s' % ovsVswitchdPidPath,
'--log-file=%s' % ovsVswitchdLogPath],
stderr = sys.stderr,
stdout = sys.stdout)
assert vswitchd_instance.wait() == 0
# Append ovs-vsctl with database information
OVSKernelSwitchNew.vsctl_cmd = \
'ovs-vsctl -t 2 --db=unix:%s ' % dbSockPath
# Save the pids of ovsdb-server and ovs-vswitchd
OVSKernelSwitchNew.ovsdbServerPid = \
int(file(ovsdbServerPidPath).read().strip())
OVSKernelSwitchNew.ovsVswitchdPid = \
int(file(ovsVswitchdPidPath).read().strip())
else:
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 '
# Remove old mininet datapaths to make sure they don't interfere
brlist = quietRun ( OVSKernelSwitchNew.vsctl_cmd + ' list-br' )
for line in brlist.split("\n"):
line = line.rstrip()
if re.match('^mn-dp[0-9]+$', line):
quietRun ( OVSKernelSwitchNew.vsctl_cmd + ' del-br ' + line )
def setup():
"Ensure any dependencies are loaded; if not, try to load them."
moduleName = 'Open vSwitch (openvswitch.org)'
pathCheck('ovs-vsctl',
'ovsdb-server',
'ovs-vswitchd',
moduleName=moduleName)
output = quietRun('ovs-vsctl --version')
if "1.7" in output:
# The kernel module name is changed some time in 2012
# http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;
# a=commitdiff;h=9b80f761bed9a32c1b0eb22ee3361966057ea973
moduleDeps(subtract=OF_KMOD,
add="openvswitch",
moduleName=moduleName)
else:
moduleDeps(subtract=OF_KMOD, add=OVS_KMOD, moduleName=moduleName)
if not checkRunning('ovsdb-server', 'ovs-vswitchd'):
# db, socket, pid, log file paths
ovsInstanceDir = "/var/run/openvswitch"
quietRun('mkdir -p %s' % ovsInstanceDir)
confDbPath = "%s/conf.db" % ovsInstanceDir
dbSockPath = "%s/db.sock" % ovsInstanceDir
ovsdbServerPidPath = "%s/ovsdb-server.pid" % ovsInstanceDir
ovsdbServerLogPath = "%s/ovsdb-server.log" % ovsInstanceDir
ovsVswitchdPidPath = "%s/ovs-vswitchd.pid" % ovsInstanceDir
ovsVswitchdLogPath = "%s/ovs-vswitchd.log" % ovsInstanceDir
# Create ovs database
quietRun("ovsdb-tool create %s" % confDbPath)
# Start ovsdb-server
ovsdb_instance = Popen([
'ovsdb-server', confDbPath,
'--remote=punix:%s' % dbSockPath,
'--remote=db:Open_vSwitch,manager_options', '--detach',
'--pidfile=%s' % ovsdbServerPidPath,
'--log-file=%s' % ovsdbServerLogPath
],
stderr=sys.stderr,
stdout=sys.stdout)
assert ovsdb_instance.wait() == 0
# Start ovs-vswitchd
vswitchd_instance = Popen([
'ovs-vswitchd',
'unix:%s' % dbSockPath, '--detach',
'--pidfile=%s' % ovsVswitchdPidPath,
'--log-file=%s' % ovsVswitchdLogPath
],
stderr=sys.stderr,
stdout=sys.stdout)
assert vswitchd_instance.wait() == 0
# Append ovs-vsctl with database information
OVSKernelSwitchNew.vsctl_cmd = \
'ovs-vsctl -t 2 --db=unix:%s ' % dbSockPath
# Save the pids of ovsdb-server and ovs-vswitchd
OVSKernelSwitchNew.ovsdbServerPid = \
int(file(ovsdbServerPidPath).read().strip())
OVSKernelSwitchNew.ovsVswitchdPid = \
int(file(ovsVswitchdPidPath).read().strip())
else:
OVSKernelSwitchNew.vsctl_cmd = 'ovs-vsctl -t 2 '
# Remove old mininet datapaths to make sure they don't interfere
brlist = quietRun(OVSKernelSwitchNew.vsctl_cmd + ' list-br')
for line in brlist.split("\n"):
line = line.rstrip()
if re.match('^mn-dp[0-9]+$', line):
quietRun(OVSKernelSwitchNew.vsctl_cmd + ' del-br ' + line)