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gatus: show resolved values on successful conditions, ui as a pass-through

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Asked to un-hide endpoint properties; the answer is that nothing was hidden.
All six hide-* options (hide-hostname, hide-url, hide-port, hide-conditions,
hide-errors, and dont-resolve-failed-conditions) already default to false
upstream, so hostname, URL, port, conditions and errors were all being shown.

The one setting that genuinely displays MORE is resolve-successful-conditions.
By default a FAILING check resolves its placeholders - "[STATUS] (502) == 200" -
while a PASSING one drops the value and shows only "[STATUS] == 200". With it
on, a healthy DNS check now reads:

    [DNS_RCODE] (NOERROR) == NOERROR
    [BODY] (64.226.70.190) == 64.226.70.190

which says what it actually resolved to rather than merely that the assertion
held. Applied to all 27 pulled endpoints via a gatus_endpoint_default_ui that
each caller can override.

It applies to pulled endpoints ONLY: an external (push) endpoint has no `ui`
field upstream at all, because it carries no conditions - success comes from the
push. The template was initially emitting the block in both loops; emitting an
unknown key into the external-endpoints list risks a parse rejection, and a
rejected config is exactly what skip-invalid-config-update exists to survive.

Also made the page-level `ui` a pass-through dict, the same shape as
gatus_alerting, so every upstream option (description, dashboard-heading, logo,
link, favicon, buttons, custom-css, dark-mode, default-sort-by,
default-filter-by) is reachable without a variable per key. Replaces the two
one-off gatus_ui_title / gatus_ui_header variables.

Set default-sort-by: group, because the dashboard's own grouping toggle starts
OFF and remembers per browser in localStorage - without it the ten groups render
as one flat list of 86 rows for anyone who has not clicked it.

Note the limit of all this: it is configuration. Layout, card design and group
rendering come from the Vue app compiled into the binary (//go:embed static), so
changing those means forking and rebuilding the image - which would discard the
pinned-digest property the deployment relies on.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
counterweight 2026-09-14 22:14:44 +02:00
parent 3a9e1d5851
commit f6656b0ff7
Signed by: counterweight
GPG key ID: 883EDBAA726BD96C
4 changed files with 33 additions and 4 deletions
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14
ansible/roles/gatus_endpoint/defaults/main.yml
View file

@ -42,3 +42,17 @@ gatus_gid: 10001
# check's cadence and there is no single correct default. See the note in
# infra/400_host_monitoring.yml.
gatus_endpoint_default_alerts: []
# UI options applied to every PULLED endpoint that does not set its own.
#
# Only pulled endpoints can carry this - an external (push) endpoint has no `ui`
# field at all, because it has no conditions to display.
#
# Note that every hide-* option already defaults to false upstream, so there is
# nothing to un-hide. The one setting that genuinely shows MORE is
# resolve-successful-conditions: by default a failing check displays the real
# value - "[STATUS] (502) == 200" - while a passing one drops it and shows only
# "[STATUS] == 200". Turning it on resolves both, so a healthy DNS check shows
# the IP it actually resolved rather than just the assertion.
gatus_endpoint_default_ui:
resolve-successful-conditions: true

6
ansible/roles/gatus_endpoint/templates/endpoints.yaml.j2
View file

@ -19,6 +19,7 @@ external-endpoints:
alerts:
{{ _alerts | to_nice_yaml(indent=2) | indent(6, true) }}
{% endif %}
{# external endpoints have no `ui` field upstream - they carry no conditions #}
{% endfor %}
{% endif %}
{% if gatus_endpoint_pulled %}
@ -50,5 +51,10 @@ endpoints:
alerts:
{{ _alerts | to_nice_yaml(indent=2) | indent(6, true) }}
{% endif %}
{% set _ui = e.ui | default(gatus_endpoint_default_ui) %}
{% if _ui %}
ui:
{{ _ui | to_nice_yaml(indent=2) | indent(6, true) }}
{% endif %}
{% endfor %}
{% endif %}