124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
"""Internal network manager for Supervisor."""
|
|
from contextlib import suppress
|
|
from ipaddress import IPv4Address
|
|
import logging
|
|
from typing import List, Optional
|
|
|
|
import docker
|
|
|
|
from ..const import DOCKER_NETWORK, DOCKER_NETWORK_MASK, DOCKER_NETWORK_RANGE
|
|
from ..exceptions import DockerAPIError
|
|
|
|
_LOGGER: logging.Logger = logging.getLogger(__name__)
|
|
|
|
|
|
class DockerNetwork:
|
|
"""Internal Supervisor Network.
|
|
|
|
This class is not AsyncIO safe!
|
|
"""
|
|
|
|
def __init__(self, docker_client: docker.DockerClient):
|
|
"""Initialize internal Supervisor network."""
|
|
self.docker: docker.DockerClient = docker_client
|
|
self.network: docker.models.networks.Network = self._get_network()
|
|
|
|
@property
|
|
def name(self) -> str:
|
|
"""Return name of network."""
|
|
return DOCKER_NETWORK
|
|
|
|
@property
|
|
def containers(self) -> List[docker.models.containers.Container]:
|
|
"""Return of connected containers from network."""
|
|
return self.network.containers
|
|
|
|
@property
|
|
def gateway(self) -> IPv4Address:
|
|
"""Return gateway of the network."""
|
|
return DOCKER_NETWORK_MASK[1]
|
|
|
|
@property
|
|
def supervisor(self) -> IPv4Address:
|
|
"""Return supervisor of the network."""
|
|
return DOCKER_NETWORK_MASK[2]
|
|
|
|
@property
|
|
def dns(self) -> IPv4Address:
|
|
"""Return dns of the network."""
|
|
return DOCKER_NETWORK_MASK[3]
|
|
|
|
@property
|
|
def audio(self) -> IPv4Address:
|
|
"""Return audio of the network."""
|
|
return DOCKER_NETWORK_MASK[4]
|
|
|
|
def _get_network(self) -> docker.models.networks.Network:
|
|
"""Get supervisor network."""
|
|
try:
|
|
return self.docker.networks.get(DOCKER_NETWORK)
|
|
except docker.errors.NotFound:
|
|
_LOGGER.info("Can't find Supervisor network, create new network")
|
|
|
|
ipam_pool = docker.types.IPAMPool(
|
|
subnet=str(DOCKER_NETWORK_MASK),
|
|
gateway=str(self.gateway),
|
|
iprange=str(DOCKER_NETWORK_RANGE),
|
|
)
|
|
|
|
ipam_config = docker.types.IPAMConfig(pool_configs=[ipam_pool])
|
|
|
|
return self.docker.networks.create(
|
|
DOCKER_NETWORK,
|
|
driver="bridge",
|
|
ipam=ipam_config,
|
|
enable_ipv6=False,
|
|
options={"com.docker.network.bridge.name": DOCKER_NETWORK},
|
|
)
|
|
|
|
def attach_container(
|
|
self,
|
|
container: docker.models.containers.Container,
|
|
alias: Optional[List[str]] = None,
|
|
ipv4: Optional[IPv4Address] = None,
|
|
) -> None:
|
|
"""Attach container to Supervisor network.
|
|
|
|
Need run inside executor.
|
|
"""
|
|
ipv4 = str(ipv4) if ipv4 else None
|
|
|
|
try:
|
|
self.network.connect(container, aliases=alias, ipv4_address=ipv4)
|
|
except docker.errors.APIError as err:
|
|
_LOGGER.error("Can't link container to hassio-net: %s", err)
|
|
raise DockerAPIError() from None
|
|
|
|
self.network.reload()
|
|
|
|
def detach_default_bridge(
|
|
self, container: docker.models.containers.Container
|
|
) -> None:
|
|
"""Detach default Docker bridge.
|
|
|
|
Need run inside executor.
|
|
"""
|
|
try:
|
|
default_network = self.docker.networks.get("bridge")
|
|
default_network.disconnect(container)
|
|
|
|
except docker.errors.NotFound:
|
|
return
|
|
|
|
except docker.errors.APIError as err:
|
|
_LOGGER.warning("Can't disconnect container from default: %s", err)
|
|
raise DockerAPIError() from None
|
|
|
|
def stale_cleanup(self, container_name: str):
|
|
"""Remove force a container from Network.
|
|
|
|
Fix: https://github.com/moby/moby/issues/23302
|
|
"""
|
|
with suppress(docker.errors.APIError):
|
|
self.network.disconnect(container_name, force=True)
|