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https://github.com/home-assistant/supervisor.git
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c0e3ccdb83
* Improve gdbus error handling * Fix logging type * Detect no dbus * Fix issue with complex * Update hassio/dbus/__init__.py Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Update hassio/dbus/hostname.py Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Update hassio/dbus/rauc.py Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Update hassio/dbus/systemd.py Co-Authored-By: Franck Nijhof <frenck@frenck.nl> * Fix black
110 lines
3.2 KiB
Python
110 lines
3.2 KiB
Python
"""Internal network manager for Hass.io."""
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from ipaddress import IPv4Address
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import logging
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from typing import List, Optional
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import docker
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from ..const import DOCKER_NETWORK, DOCKER_NETWORK_MASK, DOCKER_NETWORK_RANGE
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from ..exceptions import DockerAPIError
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_LOGGER: logging.Logger = logging.getLogger(__name__)
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class DockerNetwork:
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"""Internal Hass.io Network.
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This class is not AsyncIO safe!
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"""
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def __init__(self, docker_client: docker.DockerClient):
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"""Initialize internal Hass.io network."""
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self.docker: docker.DockerClient = docker_client
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self.network: docker.models.networks.Network = self._get_network()
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@property
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def name(self) -> str:
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"""Return name of network."""
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return DOCKER_NETWORK
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@property
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def containers(self) -> List[docker.models.containers.Container]:
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"""Return of connected containers from network."""
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return self.network.containers
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@property
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def gateway(self) -> IPv4Address:
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"""Return gateway of the network."""
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return DOCKER_NETWORK_MASK[1]
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@property
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def supervisor(self) -> IPv4Address:
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"""Return supervisor of the network."""
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return DOCKER_NETWORK_MASK[2]
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@property
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def dns(self) -> IPv4Address:
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"""Return dns of the network."""
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return DOCKER_NETWORK_MASK[3]
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def _get_network(self) -> docker.models.networks.Network:
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"""Get HassIO network."""
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try:
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return self.docker.networks.get(DOCKER_NETWORK)
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except docker.errors.NotFound:
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_LOGGER.info("Can't find Hass.io network, create new network")
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ipam_pool = docker.types.IPAMPool(
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subnet=str(DOCKER_NETWORK_MASK),
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gateway=str(self.gateway),
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iprange=str(DOCKER_NETWORK_RANGE),
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)
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ipam_config = docker.types.IPAMConfig(pool_configs=[ipam_pool])
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return self.docker.networks.create(
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DOCKER_NETWORK,
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driver="bridge",
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ipam=ipam_config,
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enable_ipv6=False,
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options={"com.docker.network.bridge.name": DOCKER_NETWORK},
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)
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def attach_container(
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self,
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container: docker.models.containers.Container,
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alias: Optional[List[str]] = None,
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ipv4: Optional[IPv4Address] = None,
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) -> None:
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"""Attach container to Hass.io network.
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Need run inside executor.
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"""
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ipv4 = str(ipv4) if ipv4 else None
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try:
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self.network.connect(container, aliases=alias, ipv4_address=ipv4)
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except docker.errors.APIError as err:
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_LOGGER.error("Can't link container to hassio-net: %s", err)
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raise DockerAPIError() from None
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self.network.reload()
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def detach_default_bridge(
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self, container: docker.models.containers.Container
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) -> None:
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"""Detach default Docker bridge.
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Need run inside executor.
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"""
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try:
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default_network = self.docker.networks.get("bridge")
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default_network.disconnect(container)
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except docker.errors.NotFound:
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return
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except docker.errors.APIError as err:
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_LOGGER.warning("Can't disconnect container from default: %s", err)
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raise DockerAPIError() from None
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