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kevinveenbirkenbachandClaude Opus 5.5
d36e203171
`lookup('tls', ...)` aligns a cross-app domain to the consumer named by
`application_id` (utils/tls_common.py `align_domain_to_consumer`): a
clearnet-primary consumer gets the clearnet sibling of an onion-primary
target. The carrier key does not cover `application_id`, so a park that
renders inside a role hands that role's alignment to every later role
whose key matches.
The constructor and `tasks/utils/setup/role.yml` park at play scope,
where `application_id` is undefined. The re-park in
`roles/sys-token-store/tasks/write.yml` (67f6c8d7e8) and the nested-load
re-park render inside the caller: `svc-prx-openresty` at the preload
loader, `web-app-stalwart` or a provider role on the NFS host, the web
app itself under `sys-stk-front-base`. In a tor deploy that turned onion
targets into clearnet domains for onion-primary roles served from such a
park, and baked the caller's group into Nextcloud's sociallogin
`groupMapping`.
Drop `application_id` from the render's variables and from the
templar's for the duration of the render, so every park carries the
play-scope result the constructor parks have always carried. Rename the
nested re-park task so its log lines do not read as a role boundary.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
91 lines
3.6 KiB
Python
91 lines
3.6 KiB
Python
"""Render the applications SPOT once and park it as the play-scoped carrier fact.
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Ansible forks a fresh worker per task, so the in-process render cache of
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``lookup('applications')`` is cold in every task until something renders in
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a place all later workers inherit. This action renders in the worker of one
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constructor task and returns the payload as a host fact; every later worker
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inherits that fact at fork time and ``get_merged_applications`` serves it
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instead of rendering::
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- name: 🧊 Render the applications SPOT once and carry it into every task's worker
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applications_carrier: {}
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``tasks/stages/01_constructor.yml`` parks three of them: a block-scoped one
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for the merge block, which it drops again at the block's end, one after the
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``add_host`` tasks for the swarm bootstrap roles, parked only when
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``DEPLOYMENT_MODE`` is ``swarm``, and the stage-wide one after the token store. ``merged_applications_cache_key`` reads ``group_names`` and the
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tokens file's path and content digest, so a carrier whose groups or tokens no
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longer match is rejected and the reader renders afresh::
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- name: 🧊 Drop the merge-block carrier so later stages re-render
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applications_carrier:
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clear: true
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``tasks/utils/setup/role.yml`` parks one after every role,
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``tasks/utils/load/app.yml`` one after every nested application load and
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``roles/sys-token-store/tasks/write.yml`` one after every persisted token;
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where the key still matches they serve the carried payload without rendering.
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The result is masked by the action itself: the fact is the whole rendered
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tree, about 0.4 MB with every application's credentials, and printing it at
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``-v`` is neither credential debugging nor readable.
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Args:
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clear: drop the carrier fact instead of rendering. Defaults to false.
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Any other argument is an error.
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"""
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from __future__ import annotations
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from typing import Any
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from ansible.errors import AnsibleActionFail
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from ansible.module_utils.parsing.convert_bool import boolean
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from ansible.plugins.action import ActionBase
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from ansible.plugins.loader import lookup_loader
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from utils.cache.carrier import APPLICATIONS_RENDERED_FACT, revalidate_tokens_file
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class ActionModule(ActionBase):
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TRANSFERS_FILES = False
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def run(
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self, tmp: Any = None, task_vars: dict[str, Any] | None = None
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) -> dict[str, Any]:
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result = super().run(tmp, task_vars)
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task_vars = task_vars or {}
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args = self._task.args or {}
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unexpected = sorted(set(args) - {"clear"})
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if unexpected:
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raise AnsibleActionFail(
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f"applications_carrier: unknown argument(s) {', '.join(unexpected)}; "
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"the only argument is 'clear'"
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)
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if boolean(args.get("clear", False)):
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result.update(
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changed=False, ansible_facts={APPLICATIONS_RENDERED_FACT: None}
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)
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return result
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revalidate_tokens_file(task_vars)
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render_vars = dict(task_vars)
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render_vars.pop("application_id", None)
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previous = self._templar.available_variables
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self._templar.available_variables = render_vars
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try:
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lookup = lookup_loader.get(
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"applications", loader=self._loader, templar=self._templar
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)
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carrier = lookup.run([], variables=render_vars, carrier=True)[0]
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finally:
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self._templar.available_variables = previous
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result.update(
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changed=False,
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ansible_facts={APPLICATIONS_RENDERED_FACT: carrier},
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_ansible_no_log=True,
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)
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return result
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