Use public domain in alert links

Alert formatting and swap threshold
2026-03-07 21:08:25 +00:00 · 2026-03-07 21:06:24 +00:00
2 changed files with 6 additions and 4 deletions
--- a/monitoring/alertmanager/alertmanager.yml
+++ b/monitoring/alertmanager/alertmanager.yml
@@ -15,9 +15,11 @@ receivers:
        chat_id: -1003779247128
        message: |-
          {{ range .Alerts }}
-          *{{ .Labels.alertname }}* ({{ .Labels.severity }})
+          {{ if eq .Labels.severity "critical" }}🔴{{ else }}⚠️{{ end }} *{{ .Labels.alertname }}* ({{ .Labels.severity }})
          {{ .Annotations.summary }}
          {{ .Annotations.description }}
+          Instance: {{ .Labels.instance }}
+          Details: {{ reReplaceAll "http://[^/]+" "https://prometheus.g4st3r.ru" .GeneratorURL }}
          {{ end }}
        parse_mode: Markdown
        disable_notifications: false
--- a/monitoring/rules/base-alerts.yml
+++ b/monitoring/rules/base-alerts.yml
@@ -47,13 +47,13 @@ groups:
          description: "MemAvailable < 8%"

      - alert: SwapUsageHigh
-        expr: (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) > 0.30
-        for: 15m
+        expr: (1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) > 0.50
+        for: 20m
        labels:
          severity: warning
        annotations:
          summary: "Swap usage high on {{ $labels.instance }}"
-          description: "Swap usage > 30%"
+          description: "Swap usage > 50%"

      - alert: DiskFull
        expr: (node_filesystem_avail_bytes{fstype!~"tmpfs|overlay"} / node_filesystem_size_bytes{fstype!~"tmpfs|overlay"}) < 0.10
Author	SHA1	Message	Date
g4st3r	6dd1745649	Use public domain in alert links	2026-03-07 21:08:25 +00:00
g4st3r	7f91660cd0	Alert formatting and swap threshold	2026-03-07 21:06:24 +00:00