Files
ouranos/ansible/prometheus/alert_rules.yml.j2
Robert Helewka b4d60f2f38 docs: rewrite README with structured overview and quick start guide
Replaces the minimal project description with a comprehensive README
including a component overview table, quick start instructions, common
Ansible operations, and links to detailed documentation. Aligns with
Red Panda Approval™ standards.
2026-03-03 12:49:06 +00:00

250 lines
10 KiB
Django/Jinja

# Prometheus Alert Rules
# Red Panda Approved 🐼
# Deployed to: /etc/prometheus/alert_rules.yml
{% raw %}
groups:
# ============================================================================
# Node/Infrastructure Alerts
# ============================================================================
- name: node_alerts
rules:
- alert: InstanceDown
expr: up == 0
for: 2m
labels:
severity: critical
annotations:
summary: "Instance {{ $labels.instance }} is down"
description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 2 minutes."
- alert: HighCPUUsage
expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 80
for: 5m
labels:
severity: warning
annotations:
summary: "High CPU usage on {{ $labels.instance }}"
description: "CPU usage is above 80% on {{ $labels.instance }} (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: CriticalCPUUsage
expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[5m])) * 100) > 95
for: 2m
labels:
severity: critical
annotations:
summary: "Critical CPU usage on {{ $labels.instance }}"
description: "CPU usage is above 95% on {{ $labels.instance }} (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: HighMemoryUsage
expr: (1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes)) * 100 > 80
for: 5m
labels:
severity: warning
annotations:
summary: "High memory usage on {{ $labels.instance }}"
description: "Memory usage is above 80% on {{ $labels.instance }} (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: CriticalMemoryUsage
expr: (1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes)) * 100 > 95
for: 2m
labels:
severity: critical
annotations:
summary: "Critical memory usage on {{ $labels.instance }}"
description: "Memory usage is above 95% on {{ $labels.instance }} (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: DiskSpaceLow
expr: (node_filesystem_avail_bytes{fstype!~"tmpfs|overlay"} / node_filesystem_size_bytes{fstype!~"tmpfs|overlay"}) * 100 < 20
for: 5m
labels:
severity: warning
annotations:
summary: "Low disk space on {{ $labels.instance }}"
description: "Disk {{ $labels.mountpoint }} on {{ $labels.instance }} has less than 20% free space (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: DiskSpaceCritical
expr: (node_filesystem_avail_bytes{fstype!~"tmpfs|overlay"} / node_filesystem_size_bytes{fstype!~"tmpfs|overlay"}) * 100 < 10
for: 2m
labels:
severity: critical
annotations:
summary: "Critical disk space on {{ $labels.instance }}"
description: "Disk {{ $labels.mountpoint }} on {{ $labels.instance }} has less than 10% free space (current value: {{ $value | printf \"%.1f\" }}%)"
- alert: HighLoadAverage
expr: node_load15 / count without(cpu, mode) (node_cpu_seconds_total{mode="idle"}) > 2
for: 10m
labels:
severity: warning
annotations:
summary: "High load average on {{ $labels.instance }}"
description: "15-minute load average is {{ $value | printf \"%.2f\" }} times the CPU count on {{ $labels.instance }}"
# ============================================================================
# Process-Level Alerts (puck.incus)
# ============================================================================
- name: puck_process_alerts
rules:
- alert: PuckHighCPUProcess
expr: sum by (groupname, instance) (rate(namedprocess_namegroup_cpu_seconds_total{instance=~"puck.*"}[2m])) * 100 > 80
for: 2m
labels:
severity: warning
annotations:
summary: "High CPU process on puck: {{ $labels.groupname }}"
description: "Process {{ $labels.groupname }} is using {{ $value | printf \"%.1f\" }}% CPU for more than 2 minutes"
- alert: PuckCriticalCPUProcess
expr: sum by (groupname, instance) (rate(namedprocess_namegroup_cpu_seconds_total{instance=~"puck.*"}[1m])) * 100 > 95
for: 1m
labels:
severity: critical
annotations:
summary: "Critical CPU process on puck: {{ $labels.groupname }}"
description: "Process {{ $labels.groupname }} is using {{ $value | printf \"%.1f\" }}% CPU - immediate attention required"
- alert: PuckHighMemoryProcess
expr: namedprocess_namegroup_memory_bytes{memtype="resident", instance=~"puck.*"} > 1073741824
for: 2m
labels:
severity: warning
annotations:
summary: "High memory process on puck: {{ $labels.groupname }}"
description: "Process {{ $labels.groupname }} is using {{ $value | humanize }} resident memory"
- alert: PuckCriticalMemoryProcess
expr: namedprocess_namegroup_memory_bytes{memtype="resident", instance=~"puck.*"} > 2147483648
for: 1m
labels:
severity: critical
annotations:
summary: "Critical memory process on puck: {{ $labels.groupname }}"
description: "Process {{ $labels.groupname }} is using {{ $value | humanize }} resident memory - immediate attention required"
- alert: PuckProcessCrashLoop
expr: increase(namedprocess_namegroup_num_procs{instance=~"puck.*"}[5m]) < -1
for: 1m
labels:
severity: warning
annotations:
summary: "Process count dropped on puck: {{ $labels.groupname }}"
description: "Process {{ $labels.groupname }} count has decreased, indicating possible crash or restart"
# ============================================================================
# Docker Container Alerts (puck.incus)
# ============================================================================
- name: puck_container_alerts
rules:
- alert: PuckHighContainerCount
expr: count(container_last_seen{instance=~"puck.*", name!=""}) > 5
for: 5m
labels:
severity: warning
annotations:
summary: "High container count on puck"
description: "puck.incus has {{ $value }} running containers, which exceeds the threshold of 5"
- alert: PuckDuplicateContainers
expr: count by (image, instance) (container_last_seen{instance=~"puck.*", name!=""}) > 2
for: 5m
labels:
severity: warning
annotations:
summary: "Duplicate containers on puck: {{ $labels.image }}"
description: "{{ $value }} containers running the same image {{ $labels.image }} on puck"
- alert: PuckOrphanedContainer
expr: (time() - container_start_time_seconds{instance=~"puck.*", name=~".*_.*"}) > 3600
for: 10m
labels:
severity: warning
annotations:
summary: "Possible orphaned container on puck: {{ $labels.name }}"
description: "Container {{ $labels.name }} with auto-generated name has been running for {{ $value | humanizeDuration }}"
- alert: PuckMCPContainerOnPuck
expr: container_last_seen{instance=~"puck.*", image=~".*mcp-server.*|.*mcp_server.*"}
for: 1m
labels:
severity: critical
annotations:
summary: "MCP container detected on puck (WRONG HOST)"
description: "Container {{ $labels.name }} ({{ $labels.image }}) is running on puck but MCP servers should run on miranda.incus"
- alert: PuckContainerHighCPU
expr: sum by (name, instance) (rate(container_cpu_usage_seconds_total{instance=~"puck.*", name!=""}[2m])) * 100 > 80
for: 2m
labels:
severity: warning
annotations:
summary: "High CPU container on puck: {{ $labels.name }}"
description: "Container {{ $labels.name }} is using {{ $value | printf \"%.1f\" }}% CPU"
- alert: PuckContainerHighMemory
expr: container_memory_usage_bytes{instance=~"puck.*", name!=""} > 1073741824
for: 2m
labels:
severity: warning
annotations:
summary: "High memory container on puck: {{ $labels.name }}"
description: "Container {{ $labels.name }} is using {{ $value | humanize }} memory"
- alert: PuckContainerOOMKilled
expr: increase(container_oom_events_total{instance=~"puck.*", name!=""}[5m]) > 0
for: 0m
labels:
severity: critical
annotations:
summary: "Container OOM killed on puck: {{ $labels.name }}"
description: "Container {{ $labels.name }} was killed by OOM killer"
# ============================================================================
# Service/Application Alerts
# ============================================================================
- name: service_alerts
rules:
- alert: PrometheusTargetMissing
expr: up == 0
for: 5m
labels:
severity: warning
annotations:
summary: "Prometheus target missing: {{ $labels.instance }}"
description: "A Prometheus target has been down for more than 5 minutes."
- alert: PrometheusJobMissing
expr: absent(up{job="node-exporter"})
for: 5m
labels:
severity: warning
annotations:
summary: "Prometheus job missing"
description: "A Prometheus job has disappeared from target discovery."
- alert: AlertmanagerDown
expr: absent(up{job="alertmanager"})
for: 5m
labels:
severity: critical
annotations:
summary: "Alertmanager is down"
description: "Alertmanager is not responding. Alerts may not be delivered."
# ============================================================================
# Loki/Logging Alerts
# ============================================================================
- name: loki_alerts
rules:
- alert: LokiHighLogVolume
expr: sum(rate(loki_distributor_bytes_received_total[5m])) > 10485760
for: 10m
labels:
severity: warning
annotations:
summary: "High log ingestion rate"
description: "Loki is receiving logs at {{ $value | humanize }}/s which may indicate excessive logging"
# Red Panda Seal of Approval 🐼
# "If the metrics aren't red, go back to bed"
{% endraw %}