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annotate dns.py @ 107:d70816c7c7db

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fix pipe net forwarding after update to ubuntu 22.04
author drewp
date Tue, 19 Jul 2022 17:40:02 -0700
parents 5faa7e3aa38f
children 6ec849f1a8c9
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1 import tempfile
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2 from pyinfra import host
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3 from pyinfra.operations import apt, files, systemd
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6 def dnsmasq_instance(net_name, house_iface, dhcp_range, router, dhcp_hosts_filename='/dev/null'):
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7 files.directory(path=f'/opt/dnsmasq/{net_name}')
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8 files.template(src='templates/dnsmasq/dnsmasq.conf.j2',
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9 dest=f'/opt/dnsmasq/{net_name}/dnsmasq.conf',
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10 net=net_name,
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11 house_iface=house_iface,
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12 dhcp_range=dhcp_range,
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13 router=router,
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14 dhcp_enabled=net_name == '10.2' and host.name == 'pipe')
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15 files.template(src='templates/dnsmasq/hosts.j2', dest=f'/opt/dnsmasq/{net_name}/hosts', net=net_name)
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16 files.template(src=dhcp_hosts_filename, dest=f'/opt/dnsmasq/{net_name}/dhcp_hosts', net=net_name)
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18 files.template(src='templates/dnsmasq/dnsmasq.service.j2',
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19 dest=f'/etc/systemd/system/dnsmasq_{net_name}.service',
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20 net=net_name)
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21 if net_name == '10.2':
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22 systemd.service(service=f'dnsmasq_{net_name}', enabled=True, restarted=True, daemon_reload=True)
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25 files.template(src='templates/hosts.j2', dest='/etc/hosts')
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26 files.link(path='/etc/resolv.conf', target='/run/systemd/resolve/resolv.conf', force=True)
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27 files.template(src='templates/resolved.conf.j2', dest='/etc/systemd/resolved.conf')
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28 systemd.service(service='systemd-resolved.service', running=True, restarted=True)
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29
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30 if host.name == 'bang':
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31 apt.packages(packages=['dnsmasq'])
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32 systemd.service(service='dnsmasq', enabled=False, running=False)
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33 files.directory(path='/opt/dnsmasq')
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35 dnsmasq_instance('10.5', house_iface='unused', dhcp_range='unused', router='unused') # only works after wireguard is up
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37 elif host.name == 'pipe':
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38 apt.packages(packages=['dnsmasq'])
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39 systemd.service(service='dnsmasq', enabled=False, running=False)
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40 files.directory(path='/opt/dnsmasq')
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41 dh = tempfile.NamedTemporaryFile()
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42 dh.write(b'''\
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43 60:e3:27:04:4a:85,bang,10.2.0.1,24h
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44 ''')
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45 dh.flush()
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46 dnsmasq_instance('10.2', house_iface='eth1', dhcp_range='10.2.0.20,10.2.0.120', router='10.2.0.3', dhcp_hosts_filename=dh.name)
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48 else:
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49 pass