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hosts/monitoring-3: Add alert for Synapse

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This commit is contained in:
clerie 2023-12-01 17:50:54 +01:00
parent 2e68d00ca4
commit cff95863fd
2 changed files with 11 additions and 2 deletions
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5
hosts/monitoring-3/prometheus.nix
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@ -273,7 +273,7 @@ in {
static_configs = [
{
targets = [
"https://matrix.entr0py.de/_matrix/static/"
"matrix.entr0py.de"
];
}
];
@ -281,9 +281,10 @@ in {
{
source_labels = [ "__address__" ];
target_label = "__param_target";
replacement = "https://\${1}/_matrix/static/";
}
{
source_labels = [ "__param_target" ];
source_labels = [ "__address__" ];
target_label = "target";
}
{

8
hosts/monitoring-3/rules.yml
View File

@ -57,3 +57,11 @@ groups:
annotations:
summary: "Kernel of {{ $labels.instance }} changed"
description: "The Kernel {{ $labels.instance }} booted with, isn't the target Kernel. A reboot may be required."
- alert: SynapseUnavailable
expr: last_over_time(probe_success{instance="monitoring-3.net.clerie.de", job="blackbox_local_synapse", target="matrix.entr0py.de"}[5m]) == 0
for: 5m
labels:
severity: warning
annotations:
summary: "Synapse of {{ $labels.target }} unavailable"
description: "The Synapse backend of {{ $labels.instance }} is unreachable or returns garbage"