34 lines
1.5 KiB
Text
34 lines
1.5 KiB
Text
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# One result PER UNIT, not one for the host. A host running four services
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# needs four endpoints: a single red light would tell you "something on vipy
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# is down" without saying which, and that is the question you actually have.
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#
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# Keys are host-qualified because unit names collide - caddy runs on four
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# machines. Gatus builds the key as sanitize(group)_sanitize(name), so
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# group "services" + name "vipy/caddy" becomes services_vipy-caddy.
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local prefix="{{ healthcheck_units_key_prefix }}"
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local down=""
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for unit in {{ healthcheck_units | join(' ') }}; do
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local state substate
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state=$(systemctl is-active "$unit" 2>/dev/null || true)
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substate=$(systemctl show -p SubState --value "$unit" 2>/dev/null || true)
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if [ "$state" = "active" ]; then
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report_key "${prefix}-${unit}" "true" "${unit} active (${substate:-running})"
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else
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# `failed` and `inactive` are different stories: one crashed, one was
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# stopped. Both are down, but the message should say which.
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local detail="${unit} is ${state:-unknown}"
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[ "$state" = "failed" ] && detail="${detail} (${substate:-failed})"
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report_key "${prefix}-${unit}" "false" "$detail"
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down="${down}${down:+, }${unit}=${state:-unknown}"
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fi
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done
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if [ -n "$down" ]; then
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MESSAGE="down: ${down}"
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return 1
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fi
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MESSAGE="all {{ healthcheck_units | length }} units active"
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return 0
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