role service-prometheus: update targets and alerts
This commit is contained in:
Julian Labus
parent
a287a61d5b
commit
8bed1b7c5b
4 changed files with 12 additions and 33 deletions
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@ -26,6 +26,7 @@ prometheus_components:
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- node_exporter
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- blackbox_exporter
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prometheus_opts: "--web.external-url=https://{{ http_prometheus_prefix }}.{{ http_domain_external }}"
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alertmanager_opts: "--web.external-url=https://{{ http_prometheus_prefix }}.{{ http_domain_external }}/alertmanager/"
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yanic_blacklist:
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@ -4,8 +4,6 @@ groups:
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- alert: Icmp4Timeout
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expr: probe_success{job="icmp4"} == 0
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for: 5m
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labels:
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severity: page
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annotations:
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description: 'ICMP requests to the primary IPv4 address timed out'
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summary: 'Instance {{ $labels.instance }} does not respond to ICMPv4 echo requests'
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@ -13,8 +11,6 @@ groups:
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- alert: Icmp6Timeout
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expr: probe_success{job="icmp6"} == 0
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for: 5m
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labels:
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severity: page
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annotations:
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description: 'ICMP requests to the primary IPv6 address timed out'
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summary: 'Instance {{ $labels.instance }} does not respond to ICMPv6 echo requests'
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@ -24,8 +20,6 @@ groups:
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- alert: InstanceDown
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expr: up{job="node"} == 0
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for: 5m
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labels:
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severity: page
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annotations:
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description: 'The instance is down for more than 5 minutes'
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summary: 'Instance {{ $labels.instance }} is down'
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@ -48,8 +42,6 @@ groups:
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- alert: InstanceHighCpuLong
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expr: 100 - (avg(rate(node_cpu_seconds_total{mode="idle"}[5m])) BY (instance) * 100) > 90
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for: 30m
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labels:
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severity: page
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annotations:
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description: 'CPU usage above 90% for more than 30m'
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summary: 'Instance {{ $labels.instance }}: persistent cpu usage at {{ $value }}'
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@ -58,8 +50,6 @@ groups:
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- alert: InstanceLowMem
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expr: node_memory_MemAvailable_bytes / 1024 / 1024 < node_memory_MemTotal_bytes / 1024 / 1024 / 10
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for: 3m
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labels:
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severity: page
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annotations:
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description: 'Less than 10% of free memory'
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summary: 'Instance {{ $labels.instance }}: {{ $value }}MB of free memory'
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@ -68,8 +58,6 @@ groups:
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- alert: InstanceLowDiskPrediction4Hours
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expr: predict_linear(node_filesystem_free_bytes{device=~"/dev/.*",job="node"}[1h], 4 * 3600) < 0
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for: 30m
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labels:
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severity: page
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annotations:
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description: 'Disk {{ $labels.mountpoint }} ({{ $labels.device }}) will be full in less than 4 hours'
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summary: 'Instance {{ $labels.instance }}: Disk {{ $labels.mountpoint }} ({{ $labels.device }}) will be full in less than 4 hours'
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@ -77,8 +65,6 @@ groups:
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- alert: InstanceLowDiskPrediction12Hours
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expr: predict_linear(node_filesystem_free_bytes{device=~"/dev/.*",job="node"}[3h], 12 * 3600) < 0
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for: 60m
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labels:
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severity: page
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annotations:
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description: 'Disk {{ $labels.mountpoint }} ({{ $labels.device }}) will be full in less than 12 hours'
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summary: 'Instance {{ $labels.instance }}: Disk {{ $labels.mountpoint }} ({{ $labels.device }}) will be full in less than 12 hours'
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@ -86,8 +72,6 @@ groups:
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- alert: InstanceLowDiskAbs
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expr: node_filesystem_avail_bytes{mountpoint="/"} / 1024 / 1024 < 1024
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for: 1m
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labels:
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severity: page
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annotations:
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description: 'Less than 1GB of free disk space left on the root filesystem'
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summary: 'Instance {{ $labels.instance }}: {{ $value }}MB free disk space on {{ $labels.device }}'
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@ -96,8 +80,6 @@ groups:
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- alert: InstanceLowDiskPerc
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expr: 100 * (node_filesystem_free_bytes / node_filesystem_size_bytes) < 10
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for: 1m
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labels:
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severity: page
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annotations:
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description: 'Less than 10% of free disk space left on a device'
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summary: 'Instance {{ $labels.instance }}: {{ $value }}% free disk space on {{ $labels.device }}'
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@ -106,8 +88,6 @@ groups:
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- alert: ServiceFailed
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expr: node_systemd_unit_state{state="failed"} > 0
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for: 1m
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labels:
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severity: page
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annotations:
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description: 'A systemd unit went into failed state'
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summary: 'Instance {{ $labels.instance }}: Service {{ $labels.name }} failed'
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@ -116,8 +96,6 @@ groups:
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- alert: ServiceFlapping
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expr: changes(node_systemd_unit_state{state="failed"}[5m]) > 5 or
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(changes(node_systemd_unit_state{state="failed"}[1h]) > 15 unless changes(node_systemd_unit_state{state="failed"}[30m]) < 7)
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labels:
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severity: page
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annotations:
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description: 'A systemd service changed its state more than 5x/5min or 15x/1h'
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summary: 'Instance {{ $labels.instance }}: Service {{ $labels.name }} is flapping'
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@ -3,11 +3,6 @@ global:
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evaluation_interval: 15s # By default, scrape targets every 15 seconds.
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# scrape_timeout is set to the global default (10s).
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# The labels to add to any time series or alerts when communicating with
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# external systems (federation, remote storage, Alertmanager).
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external_labels:
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monitor: 'master'
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alerting:
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alertmanagers:
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- scheme: https
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@ -51,23 +46,26 @@ scrape_configs:
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- '{{ host }}:9281'
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{% endfor %}
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- job_name: "icmp6"
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{% for job in ['icmp4','icmp6'] %}
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- job_name: "{{ job }}"
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metrics_path: /probe
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params:
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module: ["icmp6"]
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module: ["{{ job }}"]
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static_configs:
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- targets:
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{%for group in prometheus_groups %}
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{% for group in prometheus_groups %}
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{% for host in groups[group] %}
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{% if host != inventory_hostname %}
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- "{{ host.rsplit('.freifunk-mwu.de')[0] }}.ffwi.org"
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- "{{ host.rsplit('.freifunk-mwu.de')[0] }}.ffmz.org"
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- "{{ host.rsplit('.')[0] }}.ffwi.org"
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- "{{ host.rsplit('.')[0] }}.ffmz.org"
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{% endif %}
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{% endfor %}
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{% endfor %}
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{% for host, _ in bgp_mwu_servers.items() %}
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{% if host not in ['extrasahne'] %}
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- "{{ host }}.ffwi.org"
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- "{{ host }}.ffmz.org"
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{% endif %}
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{% endfor %}
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relabel_configs:
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- source_labels: [__address__]
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@ -76,3 +74,5 @@ scrape_configs:
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target_label: instance
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- target_label: __address__
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replacement: 127.0.0.1:9115
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{% endfor %}
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@ -9,7 +9,7 @@ modules:
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tcp:
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query_response:
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- expect: "^SSH-2.0-"
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icmp:
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icmp4:
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prober: icmp
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icmp:
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preferred_ip_protocol: "ip4"
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