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kevinveenbirkenbachandClaude Opus 5
ebdadd91b6
The msmtp_curl probe joined its mail branch to the curl probe with '&&', so a
relay that refuses the startup message short-circuited the whole command: curl
never ran, the container stayed unhealthy forever, and the swarm converge gate
burned all 150 retries before aborting the deploy. Friendica 0 and Fediwall 0
of run 31340965955 died that way, reporting only 'not converged:
friendica_friendica' with the real cause buried in a rescue artifact.
That contradicted the probe's own docstring, which promises an unrelated SMTP
outage cannot flap the container into unhealthy -- it only delivered that for
email_enabled=False. sys-ctl-hlth-msmtp/files/script.sh:23 has always tolerated
exactly these exit codes; the container probe was the outlier.
Liveness is now curl's verdict alone. The '&&' before touch stays, so a refused
mail leaves no marker and the next probe retries it rather than turning the
smoke test one-shot.
Detection does not disappear with the coupling: web-app-friendica now asserts
the delivery marker after convergence and fails with the relay's reason instead
of a timeout three layers away. sys-ctl-hlth-msmtp is a systemd timer and the
Mailu Playwright roundtrip submits through Roundcube, so neither covers a
container relaying over port 25 -- this assertion is what does.
The marker path moves into utils.docker.healthcheck.MAIL_MARKER and reaches
Ansible through lookup('container_mail_marker'), so the probe and the assertion
cannot drift apart.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Shared Utilities (utils/)
This directory contains shared Python helpers used by custom modules and plugins.
Purpose
Use utils/ for reusable code that should not be duplicated across:
library/modules,plugins/action/,plugins/filter/,plugins/lookup/.
Typical shared utilities:
- API clients,
- validation/conversion helpers,
- path and configuration helpers,
- cross-plugin/module domain logic.
- Shared HTTP(S) connection handler for multiple modules.
- Common validation or transformation functions for user input.
- Utility functions for interacting with Docker, LDAP, etc.
- Grouped helper packages such as
utils/domains/for related domain logic.
Design Guidelines
- Keep helpers focused and composable.
- Avoid side effects during import.
- Prefer explicit function/class APIs over implicit globals.
- Keep dependencies minimal so modules/plugins stay lightweight.
Example Import
from utils.domains.primary_domain import get_primary_domain
What Does Not Belong Here
- Standalone executable modules (put in
library/). - Ansible plugin entrypoints (put in
plugins/*).
References
- Module utilities: https://docs.ansible.com/ansible/latest/dev_guide/developing_module_utilities.html
- Plugin development: https://docs.ansible.com/ansible/latest/dev_guide/developing_plugins.html