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kevinveenbirkenbachandClaude Opus 4.8
fbe50d10ed
Workers failed 'docker build: no Dockerfile': the build context, compose file, .env and runner binary were staged on the stack host only while every node deploys its own node-local runner stack. Build and push the image once on the manager (RUNNER_IMAGE_REF via the swarm registry, 04_image.yml) and let workers pull it; render compose.yml (template with lstrip_blocks, matching the replaced stack_host_template action), .env and the extracted run.sh on every node. Add a node_local kwarg to the compose_networks/container_networks/compose_restart/compose_only lookups so this node-local compose stack renders a bridge default network (workers cannot create overlays), keeps restart: unless-stopped (ephemeral runners died after one job) and keeps container_name under swarm; default is unchanged for every other role. Treat build/install.stamp as stale when the venv is missing and exclude ./build from the nested-src copy, closing the nested-e2e ruamel failure class. Regression tests for the node_local render paths; the network include tests now accept lookup kwargs. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
"""Lookup `compose_only`: emit a `key: "<value>"` YAML pair only in
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compose mode; emit nothing under swarm.
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A single SPOT for every service-level YAML key that is structurally
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incompatible with `docker stack deploy` and must therefore be omitted
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when DEPLOYMENT_MODE == 'swarm'. Currently used for:
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* `container_name` — swarm rejects it alongside `deploy.replicas > 1`
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("can't set container_name and X as container name must be unique").
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* `pull_policy` — swarm rejects it as "Additional property pull_policy
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is not allowed" (compose-only extension).
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Both call sites look identical:
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{{ lookup('compose_only', 'container_name', MY_CONTAINER) }}
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{{ lookup('compose_only', 'pull_policy', 'never') }}
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The value is always double-quoted in the output. That makes the emit
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safe for YAML edge cases like `restart: no` (bare `no` would otherwise
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parse as a boolean) without burdening the caller with quoting rules.
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"""
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from __future__ import annotations
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import contextlib
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from typing import Any
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from ansible.errors import AnsibleError
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from ansible.plugins.lookup import LookupBase
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class LookupModule(LookupBase):
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def run(
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self,
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terms: list[Any] | None,
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variables: dict[str, Any] | None = None,
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**kwargs: Any,
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) -> list[str]:
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if not terms or len(terms) != 2:
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raise AnsibleError(
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"compose_only lookup requires exactly two terms: the key and the value"
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)
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key = str(terms[0]).strip()
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value = str(terms[1])
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if not key:
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raise AnsibleError("compose_only lookup: key term must be non-empty")
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vars_ = variables or getattr(self._templar, "available_variables", {}) or {}
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raw_mode = vars_.get("DEPLOYMENT_MODE", "compose")
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templar = getattr(self, "_templar", None)
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if templar is not None:
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with contextlib.suppress(Exception):
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raw_mode = templar.template(raw_mode)
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mode_force = vars_.get("compose_mode_force", "")
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if templar is not None:
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with contextlib.suppress(Exception):
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mode_force = templar.template(mode_force)
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effective_mode = str(mode_force or raw_mode).strip()
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if effective_mode == "swarm" and not bool(kwargs.get("node_local", False)):
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return [""]
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return [f'{key}: "{value}"']
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