mirror of
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94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
"""Internal network manager for Hass.io."""
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import logging
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import docker
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from ..const import DOCKER_NETWORK_MASK, DOCKER_NETWORK, DOCKER_NETWORK_RANGE
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_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, dock):
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"""Initialize internal Hass.io network."""
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self.docker = dock
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self.network = self._get_network()
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@property
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def name(self):
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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):
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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):
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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):
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"""Return supervisor of the network."""
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return DOCKER_NETWORK_MASK[2]
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def _get_network(self):
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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, driver='bridge', ipam=ipam_config,
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enable_ipv6=False, options={
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"com.docker.network.bridge.name": DOCKER_NETWORK,
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})
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def attach_container(self, container, alias=None, ipv4=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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return False
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self.network.reload()
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return True
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def detach_default_bridge(self, container):
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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(
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"Can't disconnect container from default: %s", err)
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