def container_ip_remove(container_name, ip, interface):
"""
Add an IP address to an existing Calico networked container.
:param container_name: The name of the container.
:param ip: The IP to add
:param interface: The name of the interface in the container.
:return: None
"""
address = IPAddress(ip)
# The netns manipulations must be done as root.
enforce_root()
pool = get_pool_or_exit(address)
info = get_container_info_or_exit(container_name)
container_id = info["Id"]
# Check the container is actually running.
if not info["State"]["Running"]:
print "%s is not currently running." % container_name
sys.exit(1)
# Check that the container is already networked
try:
endpoint = client.get_endpoint(hostname=hostname, orchestrator_id=ORCHESTRATOR_ID, workload_id=container_id)
if address.version == 4:
nets = endpoint.ipv4_nets
else:
nets = endpoint.ipv6_nets
if not IPNetwork(address) in nets:
print "IP address is not assigned to container. Aborting."
sys.exit(1)
except KeyError:
print "Container is unknown to Calico."
sys.exit(1)
try:
nets.remove(IPNetwork(address))
client.update_endpoint(endpoint)
except (KeyError, ValueError):
print "Error updating datastore. Aborting."
sys.exit(1)
try:
container_pid = info["State"]["Pid"]
netns.remove_ip_from_ns_veth(container_pid, address, interface)
except CalledProcessError:
print "Error updating networking in container. Aborting."
sys.exit(1)
client.unassign_address(pool, ip)
print "IP %s removed from %s" % (ip, container_name)
def container_ip_remove(container_id, ip, interface):
"""
Add an IP address to an existing Calico networked container.
:param container_id: The namespace path or container_id of the container.
:param ip: The IP to add
:param interface: The name of the interface in the container.
:return: None
"""
address = IPAddress(ip)
# The netns manipulations must be done as root.
enforce_root()
pool = get_pool_or_exit(address)
if container_id.startswith("/") and os.path.exists(container_id):
# The ID is a path. Don't do any docker lookups
workload_id = escape_etcd(container_id)
namespace = netns.Namespace(container_id)
orchestrator_id = NAMESPACE_ORCHESTRATOR_ID
else:
info = get_container_info_or_exit(container_id)
workload_id = info["Id"]
namespace = netns.PidNamespace(info["State"]["Pid"])
orchestrator_id = DOCKER_ORCHESTRATOR_ID
# Check the container is actually running.
if not info["State"]["Running"]:
print "%s is not currently running." % container_id
sys.exit(1)
# Check that the container is already networked
try:
endpoint = client.get_endpoint(hostname=hostname,
orchestrator_id=orchestrator_id,
workload_id=workload_id)
if address.version == 4:
nets = endpoint.ipv4_nets
else:
nets = endpoint.ipv6_nets
if not IPNetwork(address) in nets:
print "IP address is not assigned to container. Aborting."
sys.exit(1)
except KeyError:
print "Container is unknown to Calico."
sys.exit(1)
try:
nets.remove(IPNetwork(address))
client.update_endpoint(endpoint)
except (KeyError, ValueError):
print "Error updating datastore. Aborting."
sys.exit(1)
try:
netns.remove_ip_from_ns_veth(namespace, address, interface)
except CalledProcessError:
print "Error updating networking in container. Aborting."
sys.exit(1)
client.release_ips({address})
print "IP %s removed from %s" % (ip, container_id)
def container_ip_remove(container_id, ip, interface):
"""
Add an IP address to an existing Calico networked container.
:param container_id: The namespace path or container_id of the container.
:param ip: The IP to add
:param interface: The name of the interface in the container.
:return: None
"""
address = IPAddress(ip)
# The netns manipulations must be done as root.
enforce_root()
pool = get_pool_or_exit(address)
if container_id.startswith("/") and os.path.exists(container_id):
# The ID is a path. Don't do any docker lookups
workload_id = escape_etcd(container_id)
namespace = netns.Namespace(container_id)
orchestrator_id = NAMESPACE_ORCHESTRATOR_ID
else:
info = get_container_info_or_exit(container_id)
workload_id = info["Id"]
namespace = netns.PidNamespace(info["State"]["Pid"])
orchestrator_id = DOCKER_ORCHESTRATOR_ID
# Check the container is actually running.
if not info["State"]["Running"]:
print "%s is not currently running." % container_id
sys.exit(1)
# Check that the container is already networked
try:
endpoint = client.get_endpoint(hostname=hostname,
orchestrator_id=orchestrator_id,
workload_id=workload_id)
if address.version == 4:
nets = endpoint.ipv4_nets
else:
nets = endpoint.ipv6_nets
if not IPNetwork(address) in nets:
print "IP address is not assigned to container. Aborting."
sys.exit(1)
except KeyError:
print "Container is unknown to Calico."
sys.exit(1)
try:
nets.remove(IPNetwork(address))
client.update_endpoint(endpoint)
except (KeyError, ValueError):
print "Error updating datastore. Aborting."
sys.exit(1)
try:
netns.remove_ip_from_ns_veth(namespace, address, interface)
except CalledProcessError:
print "Error updating networking in container. Aborting."
sys.exit(1)
client.unassign_address(pool, address)
print "IP %s removed from %s" % (ip, container_id)
def container_ip_remove(container_name, ip, interface):
"""
Add an IP address to an existing Calico networked container.
:param container_name: The name of the container.
:param ip: The IP to add
:param interface: The name of the interface in the container.
:return: None
"""
address = IPAddress(ip)
# The netns manipulations must be done as root.
enforce_root()
pool = get_pool_or_exit(address)
info = get_container_info_or_exit(container_name)
container_id = info["Id"]
# Check the container is actually running.
if not info["State"]["Running"]:
print "%s is not currently running." % container_name
sys.exit(1)
# Check that the container is already networked
try:
endpoint = client.get_endpoint(hostname=hostname,
orchestrator_id=ORCHESTRATOR_ID,
workload_id=container_id)
if address.version == 4:
nets = endpoint.ipv4_nets
else:
nets = endpoint.ipv6_nets
if not IPNetwork(address) in nets:
print "IP address is not assigned to container. Aborting."
sys.exit(1)
except KeyError:
print "Container is unknown to Calico."
sys.exit(1)
try:
nets.remove(IPNetwork(address))
client.update_endpoint(endpoint)
except (KeyError, ValueError):
print "Error updating datastore. Aborting."
sys.exit(1)
try:
container_pid = info["State"]["Pid"]
netns.remove_ip_from_ns_veth(container_pid, address, interface)
except CalledProcessError:
print "Error updating networking in container. Aborting."
sys.exit(1)
client.unassign_address(pool, ip)
print "IP %s removed from %s" % (ip, container_name)
