kevinveenbirkenbach 5345f1632e fix(container-dns): render the inventory value before docker reads it ...

ce43263745 replaced the literal 172.17.0.1 under networks.internet.dns
with {{ NETWORK_PUBLIC_DNS_RESOLVERS | first }}, for a good reason: the
fixed address went stale whenever default-address-pools moved the
bridge. Nothing renders that field, though. The file arrives as
'-e @inventories/development/swarm.yml' and this lookup read it straight
out of variables, so the expression reached the daemon as its own source
text:

  dockerd: unable to configure the Docker daemon with file
  /etc/docker/daemon.json: invalid JSON:
  ParseAddr("{{ NETWORK_PUBLIC_DNS_RESOLVERS | first }}"):
  unable to parse IP

Then 'Start request repeated too quickly', and the node has no container
engine, which is where eight swarm jobs died - across centos and debian,
so it was never distro-specific. While the field held an address the
missing render step was invisible.

It now renders against the lookup's own templar, and refuses to emit a
value that still carries Jinja. A string that is not an address has no
business in daemon.json, and failing loudly beats leaving a node without
docker.

2026-08-29 19:42:47 +02:00

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action

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filter

test(openwebui): pin what a bare restart brings back

2026-08-29 00:55:22 +02:00

lookup

fix(container-dns): render the inventory value before docker reads it

2026-08-29 19:42:47 +02:00

__init__.py

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