def add_corporation():
'''
Create and Activate the network corporation
'''
domain_name = action_get('domain-name')
iface_name = action_get('iface-name')
# HACK: python's list, used deeper, throws an exception on ints in a tuple
vlan_id = str(action_get('vlan-id'))
cidr = action_get('cidr')
area = action_get('area')
subnet_cidr = action_get('subnet-cidr')
subnet_area = action_get('subnet-area')
iface_vlanid = '%s.%s' % (iface_name, vlan_id)
status_set('maintenance', 'adding corporation {}'.format(domain_name))
"""
Attempt to run all commands to add the network corporation. If any step
fails, abort and call `delete_corporation()` to undo.
"""
try:
"""
$ ip link add link eth3 name eth3.103 type vlan id 103
"""
router.ip('link', 'add', 'link', iface_name, 'name', iface_vlanid,
'type', 'vlan', 'id', vlan_id)
"""
$ ip netns add domain
"""
router.ip('netns', 'add', domain_name)
"""
$ ip link set dev eth3.103 netns corpB
"""
router.ip('link', 'set', 'dev', iface_vlanid, 'netns', domain_name)
"""
$ ifconfig eth3 up
"""
router._run(['ifconfig', iface_name, 'up'])
"""
$ ip netns exec corpB ip link set dev eth3.103 up
"""
router.ip('netns', 'exec', domain_name, 'ip', 'link', 'set', 'dev',
iface_vlanid, 'up')
"""
$ ip netns exec corpB ip address add 10.0.1.1/24 dev eth3.103
"""
mask = cidr.split("/")[1]
ip = '%s/%s' % (area, mask)
router.ip('netns', 'exec', domain_name, 'ip', 'address', 'add', ip,
'dev', iface_vlanid)
configure_ospf(domain_name, cidr, area, subnet_cidr, subnet_area, True)
except subprocess.CalledProcessError as e:
delete_corporation()
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
finally:
remove_state('vpe.add-corporation')
status_set('active', 'ready!')
def start_ospfd():
# We may want to make this configurable via config setting
ospfd = '/usr/local/bin/ospfd'
try:
(stdout,
stderr) = router._run(['touch', '/usr/admin/global/ospfd.conf'])
(stdout, stderr) = router._run(
[ospfd, '-d', '-f', '/usr/admin/global/ospfd.conf'])
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' % (' '.join(e.cmd), str(e.output)))
def start_ospfd():
# We may want to make this configurable via config setting
ospfd = '/usr/local/bin/ospfd'
try:
(stdout, stderr) = router._run(['touch',
'/usr/admin/global/ospfd.conf'])
(stdout, stderr) = router._run([ospfd, '-d', '-f',
'/usr/admin/global/ospfd.conf'])
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
def configure_ospf(domain, cidr, area, subnet_cidr, subnet_area, enable=True):
"""Configure the OSPF service"""
# Check to see if the OSPF daemon is running, and start it if not
try:
(stdout, stderr) = router._run(['pgrep', 'ospfd'])
except subprocess.CalledProcessError as e:
# If pgrep fails, the process wasn't found.
start_ospfd()
log('Command failed (ospfd not running): %s (%s)' %
(' '.join(e.cmd), str(e.output)))
upordown = ''
if not enable:
upordown = 'no'
try:
vrfctl = '/usr/local/bin/vrfctl'
vtysh = '/usr/local/bin/vtysh'
(stdout, stderr) = router._run([vrfctl, 'list'])
domain_id = 0
for line in stdout.split('\n'):
if domain in line:
domain_id = int(line[3:5])
if domain_id > 0:
router._run([
vtysh,
'-c',
'"configure terminal"',
'-c',
'"router ospf %d vr %d"' % (domain_id, domain_id),
'-c',
'"%s network %s area %s"' % (upordown, cidr, area),
'-c',
'"%s network %s area %s"' %
(upordown, subnet_cidr, subnet_area),
])
else:
log("Invalid domain id")
except subprocess.CalledProcessError as e:
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
finally:
remove_state('vpe.configure-interface')
status_set('active', 'ready!')
def configure_ospf(domain, cidr, area, subnet_cidr, subnet_area, enable=True):
"""Configure the OSPF service"""
# Check to see if the OSPF daemon is running, and start it if not
try:
(stdout, stderr) = router._run(['pgrep', 'ospfd'])
except subprocess.CalledProcessError as e:
# If pgrep fails, the process wasn't found.
start_ospfd()
log('Command failed (ospfd not running): %s (%s)' %
(' '.join(e.cmd), str(e.output)))
upordown = ''
if not enable:
upordown = 'no'
try:
vrfctl = '/usr/local/bin/vrfctl'
vtysh = '/usr/local/bin/vtysh'
(stdout, stderr) = router._run([vrfctl, 'list'])
domain_id = 0
for line in stdout.split('\n'):
if domain in line:
domain_id = int(line[3:5])
if domain_id > 0:
router._run([vtysh,
'-c',
'"configure terminal"',
'-c',
'"router ospf %d vr %d"' % (domain_id, domain_id),
'-c',
'"%s network %s area %s"' % (upordown, cidr, area),
'-c',
'"%s network %s area %s"' % (upordown,
subnet_cidr,
subnet_area),
])
else:
log("Invalid domain id")
except subprocess.CalledProcessError as e:
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
finally:
remove_state('vpe.configure-interface')
status_set('active', 'ready!')
def delete_corporation():
domain_name = action_get('domain-name')
cidr = action_get('cidr')
area = action_get('area')
subnet_cidr = action_get('subnet-cidr')
subnet_area = action_get('subnet-area')
status_set('maintenance', 'deleting corporation {}'.format(domain_name))
try:
"""
Remove all tunnels defined for this domain
$ ip netns exec domain_name ip tun show
| grep gre
| grep -v "remote any"
| cut -d":" -f1
"""
p = router.ip('netns', 'exec', domain_name, 'ip', 'tun', 'show', '|',
'grep', 'gre', '|', 'grep', '-v', '"remote any"', '|',
'cut -d":" -f1')
# `p` should be a tuple of (stdout, stderr)
tunnels = p[0].split('\n')
for tunnel in tunnels:
try:
"""
$ ip netns exec domain_name ip link set $tunnel_name down
"""
router.ip('netns', 'exec', domain_name, 'ip', 'link', 'set',
tunnel, 'down')
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
$ ip netns exec domain_name ip tunnel del $tunnel_name
"""
router.ip('netns', 'exec', domain_name, 'ip', 'tunnel', 'del',
tunnel)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
"""
Remove all interfaces associated to the domain
$ ip netns exec domain_name ifconfig | grep mtu | cut -d":" -f1
"""
p = router.ip('netns', 'exec', domain_name, 'ifconfig', '|',
'grep mtu', '|', 'cut -d":" -f1')
ifaces = p[0].split('\n')
for iface in ifaces:
try:
"""
$ ip netns exec domain_name ip link set $iface down
"""
router.ip('netns', 'exec', domain_name, 'ip', 'link', 'set',
iface, 'down')
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
try:
"""
$ ifconfig eth3 down
"""
router._run(['ifconfig', iface, 'down'])
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
$ ip link del dev $iface
"""
router.ip('link', 'del', 'dev', iface)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
Remove the domain
$ ip netns del domain_name
"""
router.ip('netns', 'del', domain_name)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' % (' '.join(e.cmd), str(e.output)))
pass
try:
configure_ospf(domain_name, cidr, area, subnet_cidr, subnet_area,
False)
except subprocess.CalledProcessError as e:
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
except:
# Do nothing
log('delete-corporation failed.')
pass
finally:
remove_state('vpe.delete-corporation')
status_set('active', 'ready!')
def delete_corporation():
domain_name = action_get('domain-name')
cidr = action_get('cidr')
area = action_get('area')
subnet_cidr = action_get('subnet-cidr')
subnet_area = action_get('subnet-area')
status_set('maintenance', 'deleting corporation {}'.format(domain_name))
try:
"""
Remove all tunnels defined for this domain
$ ip netns exec domain_name ip tun show
| grep gre
| grep -v "remote any"
| cut -d":" -f1
"""
p = router.ip(
'netns',
'exec',
domain_name,
'ip',
'tun',
'show',
'|',
'grep',
'gre',
'|',
'grep',
'-v',
'"remote any"',
'|',
'cut -d":" -f1'
)
# `p` should be a tuple of (stdout, stderr)
tunnels = p[0].split('\n')
for tunnel in tunnels:
try:
"""
$ ip netns exec domain_name ip link set $tunnel_name down
"""
router.ip(
'netns',
'exec',
domain_name,
'ip',
'link',
'set',
tunnel,
'down'
)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
$ ip netns exec domain_name ip tunnel del $tunnel_name
"""
router.ip(
'netns',
'exec',
domain_name,
'ip',
'tunnel',
'del',
tunnel
)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
"""
Remove all interfaces associated to the domain
$ ip netns exec domain_name ifconfig | grep mtu | cut -d":" -f1
"""
p = router.ip(
'netns',
'exec',
domain_name,
'ifconfig',
'|',
'grep mtu',
'|',
'cut -d":" -f1'
)
ifaces = p[0].split('\n')
for iface in ifaces:
try:
"""
$ ip netns exec domain_name ip link set $iface down
"""
router.ip(
'netns',
'exec',
domain_name,
'ip',
'link',
'set',
iface,
'down'
)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
try:
"""
$ ifconfig eth3 down
"""
router._run(['ifconfig', iface, 'down'])
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
$ ip link del dev $iface
"""
router.ip(
'link',
'del',
'dev',
iface
)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
pass
try:
"""
Remove the domain
$ ip netns del domain_name
"""
router.ip(
'netns',
'del',
domain_name
)
except subprocess.CalledProcessError as e:
log('Command failed: %s (%s)' % (' '.join(e.cmd), str(e.output)))
pass
try:
configure_ospf(domain_name,
cidr,
area,
subnet_cidr,
subnet_area,
False)
except subprocess.CalledProcessError as e:
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
except:
# Do nothing
log('delete-corporation failed.')
pass
finally:
remove_state('vpe.delete-corporation')
status_set('active', 'ready!')
def add_corporation():
'''
Create and Activate the network corporation
'''
domain_name = action_get('domain-name')
iface_name = action_get('iface-name')
# HACK: python's list, used deeper, throws an exception on ints in a tuple
vlan_id = str(action_get('vlan-id'))
cidr = action_get('cidr')
area = action_get('area')
subnet_cidr = action_get('subnet-cidr')
subnet_area = action_get('subnet-area')
iface_vlanid = '%s.%s' % (iface_name, vlan_id)
status_set('maintenance', 'adding corporation {}'.format(domain_name))
"""
Attempt to run all commands to add the network corporation. If any step
fails, abort and call `delete_corporation()` to undo.
"""
try:
"""
$ ip link add link eth3 name eth3.103 type vlan id 103
"""
router.ip('link',
'add',
'link',
iface_name,
'name',
iface_vlanid,
'type',
'vlan',
'id',
vlan_id)
"""
$ ip netns add domain
"""
router.ip('netns',
'add',
domain_name)
"""
$ ip link set dev eth3.103 netns corpB
"""
router.ip('link',
'set',
'dev',
iface_vlanid,
'netns',
domain_name)
"""
$ ifconfig eth3 up
"""
router._run(['ifconfig', iface_name, 'up'])
"""
$ ip netns exec corpB ip link set dev eth3.103 up
"""
router.ip('netns',
'exec',
domain_name,
'ip',
'link',
'set',
'dev',
iface_vlanid,
'up')
"""
$ ip netns exec corpB ip address add 10.0.1.1/24 dev eth3.103
"""
mask = cidr.split("/")[1]
ip = '%s/%s' % (area, mask)
router.ip('netns',
'exec',
domain_name,
'ip',
'address',
'add',
ip,
'dev',
iface_vlanid)
configure_ospf(domain_name, cidr, area, subnet_cidr, subnet_area, True)
except subprocess.CalledProcessError as e:
delete_corporation()
action_fail('Command failed: %s (%s)' %
(' '.join(e.cmd), str(e.output)))
finally:
remove_state('vpe.add-corporation')
status_set('active', 'ready!')