def node_remove(remove_endpoints, host):
"""
Remove a node from the Calico network.
:param remove_endpoints: Whether the endpoint data should be forcibly
removed.
:param host: The hostname of the host whose node will be removed, or None if
removing this host's node.
:return: None.
"""
host_to_remove = host or hostname
if host_to_remove == hostname and (
_container_running("calico-node")
or _container_running("calico-libnetwork")):
print_paragraph("The node cannot be removed while it is running. "
"Please run 'calicoctl node stop' to stop the node "
"before removing it.")
sys.exit(1)
endpoints = client.get_endpoints(hostname=host_to_remove)
if endpoints and not remove_endpoints:
print_paragraph("The node has active Calico endpoints so can't be "
"deleted. Force with --remove-endpoints")
print_paragraph("Note that forcible removing the node may leave some "
"workloads in an indeterminate networked state. If "
"this is in error, you may restart the node using the "
"'calicoctl node' command and clean up the workloads "
"in the normal way.")
sys.exit(1)
# Remove the veths, and release all IPs associated with the endpoints. To
# release the IPs, we construct a set of all IP addresses across all
# endpoints (this assumes the endpoint nets are all single IPs).
ips = set()
for endpoint in endpoints:
remove_veth(endpoint.name)
ips |= {net.ip for net in endpoint.ipv4_nets}
ips |= {net.ip for net in endpoint.ipv6_nets}
client.release_ips(ips)
# Remove the IPAM host data.
client.remove_ipam_host(host_to_remove)
# If the host had an IPIP tunnel address, release it back to the IPAM pool
# so that we don't leak it when we delete the config.
raw_addr = client.get_per_host_config(host_to_remove, "IpInIpTunnelAddr")
try:
ip_addr = IPAddress(raw_addr)
client.release_ips({ip_addr})
except (AddrFormatError, ValueError, TypeError):
pass
client.remove_per_host_config(host_to_remove, "IpInIpTunnelAddr")
client.remove_host(host_to_remove)
print "Node configuration removed"
def node_remove(remove_endpoints, host):
"""
Remove a node from the Calico network.
:param remove_endpoints: Whether the endpoint data should be forcibly
removed.
:param host: The hostname of the host whose node will be removed, or None if
removing this host's node.
:return: None.
"""
host_to_remove = host or hostname
if host_to_remove == hostname and (_container_running("calico-node") or
_container_running("calico-libnetwork")):
print_paragraph("The node cannot be removed while it is running. "
"Please run 'calicoctl node stop' to stop the node "
"before removing it.")
sys.exit(1)
endpoints = client.get_endpoints(hostname=host_to_remove)
if endpoints and not remove_endpoints:
print_paragraph("The node has active Calico endpoints so can't be "
"deleted. Force with --remove-endpoints")
print_paragraph("Note that forcible removing the node may leave some "
"workloads in an indeterminate networked state. If "
"this is in error, you may restart the node using the "
"'calicoctl node' command and clean up the workloads "
"in the normal way.")
sys.exit(1)
# Remove the veths, and release all IPs associated with the endpoints. To
# release the IPs, we construct a set of all IP addresses across all
# endpoints (this assumes the endpoint nets are all single IPs).
ips = set()
for endpoint in endpoints:
remove_veth(endpoint.name)
ips |= {net.ip for net in endpoint.ipv4_nets}
ips |= {net.ip for net in endpoint.ipv6_nets}
client.release_ips(ips)
# Remove the IPAM host data.
client.remove_ipam_host(host_to_remove)
# If the host had an IPIP tunnel address, release it back to the IPAM pool
# so that we don't leak it when we delete the config.
raw_addr = client.get_per_host_config(host_to_remove, "IpInIpTunnelAddr")
try:
ip_addr = IPAddress(raw_addr)
client.release_ips({ip_addr})
except (AddrFormatError, ValueError, TypeError):
pass
client.remove_per_host_config(host_to_remove, "IpInIpTunnelAddr")
client.remove_host(host_to_remove)
print "Node configuration removed"