mirror of
https://github.com/home-assistant/supervisor.git
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04514a9f5c
* Create hassio network layer / allow linking * rename docker * fix lint * fix lint p2 * Set network options * First version of network code * Finish network layer * Remove old api_endpoint stuff * Add DNS forwarding * Fix DNS recorder * Fix lint p1 * Fix lint p2 * Fix lint p3 * Fix spell * Fix ipam struct * Fix ip to str * Fix ip to str v2 * Fix spell * Fix hass on host * Fix host attach to network * Cleanup network code * Fix lint & add debug * fix link * Remove log * Fix network * fix reattach of supervisor * set options * Fix containers * Fix remapping & add a test * Fix dict bug * Fix prop * Test with run container * Fix problem
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
"""Setup the internal DNS service for host applications."""
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import asyncio
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import logging
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import shlex
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_LOGGER = logging.getLogger(__name__)
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COMMAND = "socat UDP-LISTEN:53,fork UDP:127.0.0.11:53"
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class DNSForward(object):
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"""Manage DNS forwarding to internal DNS."""
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def __init__(self):
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"""Initialize DNS forwarding."""
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self.proc = None
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async def start(self):
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"""Start DNS forwarding."""
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try:
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self.proc = await asyncio.create_subprocess_exec(
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*shlex.split(COMMAND),
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stdin=asyncio.subprocess.DEVNULL,
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stdout=asyncio.subprocess.DEVNULL,
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stderr=asyncio.subprocess.DEVNULL,
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)
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except OSError as err:
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_LOGGER.error("Can't start DNS forwarding -> %s", err)
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else:
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_LOGGER.info("Start DNS port forwarding for host add-ons")
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async def stop(self):
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"""Stop DNS forwarding."""
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if not self.proc:
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_LOGGER.warning("DNS forwarding is not running!")
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return
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self.proc.kill()
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await self.proc.wait()
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_LOGGER.info("Stop DNS forwarding")
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