Dominik Polakovics
b6b90bca7d
- Deleted individual alert files for host down, inode usage, and RAM usage. - Merged service down alerts into a new structure with separate files for each service (Gitea, Postfix, Dovecot, OpenLDAP, WireGuard). - Introduced a new system alert structure consolidating CPU, disk, host down, inode, and RAM usage alerts. - Updated alert conditions to use 'D' for thresholds and adjusted expressions accordingly. - Improved annotations and labels for clarity and consistency across alerts.
55 lines
1.5 KiB
Nix
55 lines
1.5 KiB
Nix
{ lib, pkgs, config, ... }:
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{
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grafanaAlertRuleDefinitions = [
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{
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uid = "host-down-alert-uid";
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title = "HostDown";
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condition = "C";
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data = [
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{
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refId = "A";
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datasourceUid = "vm-datasource-uid";
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queryType = "prometheus";
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relativeTimeRange = { from = 60; to = 0; }; # Query over the last minute
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model = {
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expr = ''up'';
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legendFormat = "{{instance}} ({{job}})";
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instant = false; # Changed from true, as relativeTimeRange is used
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};
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}
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{ # New Expression B: Reduce Query A
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refId = "B";
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datasourceUid = "__expr__";
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model = {
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type = "reduce";
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expression = "A"; # Input is Query A
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reducer = "last"; # Get the last value of each series in A
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};
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}
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{ # Modified Expression C: Math condition based on B
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refId = "C";
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datasourceUid = "__expr__";
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model = {
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type = "math";
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expression = "$B == 0"; # Check if the last value from B is 0
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};
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}
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];
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for = "2m";
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noDataState = "Alerting";
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execErrState = "Error";
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annotations = {
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summary = "Host {{ $labels.instance }} is down";
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description = ''Host {{ $labels.instance }} (job: {{ $labels.job }}) has been down for more than 2 minutes.'';
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};
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labels = {
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severity = "critical";
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category = "availability";
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};
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}
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];
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}
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