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kevinveenbirkenbachandClaude Opus 4.8
238bc285c7
Consumer lookup plugins now reach the merged config through the Ansible
lookup loader instead of importing get_merged_applications /
get_merged_domains from utils.cache. The merge stays one cached
implementation surfaced via the applications/config/domains/users lookups;
consumers call lookup_loader.get(...).run() (the compose_networks idiom).
- get_merged_applications walks the whole meta/ tree recursively
(meta/**/*.yml to applications.<app>.<path>, addons and any depth) and
folds the raw meta/volumes.yml subtree onto applications.<app>.volumes
after the templar render so the Jinja source: strings stay unrendered.
- 31 consumer lookups rerouted; providers (applications/config/
applications_current_play/users/domains) and the raw-volume accessors
(volume/nginx) keep the cache import behind # nocheck: lookup-cache-import.
- New lint test_no_cache_imports_in_lookups enforces the contract.
- nfs_flavor is now the flavor SPOT (svc-storage-nfs-server + nfs_client_src
resolve via lookup('nfs_flavor')); removed the unused STORAGE_NFS_FLAVOR
group_var. Extracted extract_default_credentials to
utils/cache/schema_credentials.py to keep applications.py under the cap.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
from __future__ import annotations
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from typing import Any
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from ansible.plugins.loader import lookup_loader
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from ansible.plugins.lookup import LookupBase
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class LookupModule(LookupBase):
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"""
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Return True when the prometheus monitoring block should be emitted for the
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current application on the current host; False otherwise.
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The condition satisfied:
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1. 'web-app-prometheus' is in group_names (prometheus is deployed on this host), AND
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2. Either the current application IS web-app-prometheus, OR it declares prometheus
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as an enabled compose service dependency (services.prometheus.enabled: true).
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Usage in a template:
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{% if lookup('prometheus_integration_active', application_id) %}
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...prometheus monitoring block...
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{% endif %}
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Pass 'application_id' as term 0 (string). 'applications' is obtained via
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lookup('applications'), the merged-config SPOT.
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"""
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def run(
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self,
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terms: list[Any],
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variables: dict[str, Any] | None = None,
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**kwargs: Any,
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) -> list[bool]:
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vars_ = variables or getattr(self._templar, "available_variables", {}) or {}
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applications = lookup_loader.get(
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"applications",
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loader=self._loader,
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templar=getattr(self, "_templar", None),
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).run([], variables=vars_)[0]
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# application_id may be passed explicitly (term 0) or read from available_variables.
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if terms and isinstance(terms[0], str):
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application_id: str = terms[0]
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else:
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application_id = vars_.get("application_id", "")
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group_names: list[str] = vars_.get("group_names", [])
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if "web-app-prometheus" not in group_names:
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return [False]
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if application_id == "web-app-prometheus":
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return [True]
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try:
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# Per services live at applications.<app>.services
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# (no `compose.services` wrapper).
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enabled = bool(
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applications.get(application_id, {})
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.get("services", {})
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.get("prometheus", {})
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.get("enabled", False)
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)
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except Exception:
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enabled = False
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return [enabled]
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