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kube/monitoring/prometheus.yaml

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---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: metrics
spec:
namespaceSelector: {}
selector: {}
podMetricsEndpoints:
- port: exporter
- port: metrics
---
apiVersion: monitoring.coreos.com/v1
kind: Prometheus
metadata:
name: prometheus
spec:
nodeSelector:
dedicated: monitoring
tolerations:
- key: dedicated
operator: Equal
value: monitoring
effect: NoSchedule
alerting:
alertmanagers:
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- namespace: monitoring
name: alertmanager-operated
port: web
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externalUrl: "http://prom.k-space.ee/"
replicas: 2
shards: 1
serviceAccountName: prometheus
securityContext:
fsGroup: 2000
runAsGroup: 2000
runAsNonRoot: true
runAsUser: 1000
serviceMonitorNamespaceSelector: {}
serviceMonitorSelector: {}
podMonitorNamespaceSelector: {}
podMonitorSelector: {}
probeNamespaceSelector: {}
probeSelector: {}
ruleNamespaceSelector: {}
ruleSelector: {}
retentionSize: 8GB
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storage:
volumeClaimTemplate:
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
storageClassName: prometheus
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---
apiVersion: v1
kind: ServiceAccount
metadata:
name: prometheus
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: prometheus
rules:
- apiGroups: [""]
resources:
- nodes
- nodes/metrics
- services
- endpoints
- pods
verbs: ["get", "list", "watch"]
- apiGroups: [""]
resources:
- configmaps
verbs: ["get"]
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs: ["get", "list", "watch"]
- nonResourceURLs: ["/metrics"]
verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: prometheus
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: prometheus
subjects:
- kind: ServiceAccount
name: prometheus
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namespace: monitoring
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---
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
name: prometheus
spec:
groups:
- name: prometheus
rules:
- alert: PrometheusJobMissing
annotations:
description: "A Prometheus job has disappeared\n VALUE = {{ $value }}\n \
\ LABELS = {{ $labels }}"
summary: Prometheus job missing (instance {{ $labels.instance }})
expr: absent(up{job="monitoring/prometheus"})
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for: 0m
labels:
severity: warning
- alert: PrometheusTargetMissing
annotations:
description: "A Prometheus target has disappeared. An exporter might be crashed.\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus target missing (instance {{ $labels.instance }})
expr: up == 0
for: 5m
labels:
severity: critical
- alert: PrometheusAllTargetsMissing
annotations:
description: "A Prometheus job does not have living target anymore.\n VALUE\
\ = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus all targets missing (instance {{ $labels.instance }})
expr: count by (job) (up) == 0
for: 0m
labels:
severity: critical
- alert: PrometheusConfigurationReloadFailure
annotations:
description: "Prometheus configuration reload error\n VALUE = {{ $value }}\n\
\ LABELS = {{ $labels }}"
summary: Prometheus configuration reload failure (instance {{ $labels.instance
}})
expr: prometheus_config_last_reload_successful != 1
for: 0m
labels:
severity: warning
- alert: PrometheusTooManyRestarts
annotations:
description: "Prometheus has restarted more than twice in the last 15 minutes.\
\ It might be crashlooping.\n VALUE = {{ $value }}\n LABELS = {{ $labels\
\ }}"
summary: Prometheus too many restarts (instance {{ $labels.instance }})
expr: changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager"}[15m])
> 2
for: 0m
labels:
severity: warning
- alert: PrometheusAlertmanagerJobMissing
annotations:
description: "A Prometheus AlertManager job has disappeared\n VALUE = {{\
\ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus AlertManager job missing (instance {{ $labels.instance
}})
expr: absent(up{job="monitoring/alertmanager"})
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for: 0m
labels:
severity: warning
- alert: PrometheusAlertmanagerConfigurationReloadFailure
annotations:
description: "AlertManager configuration reload error\n VALUE = {{ $value\
\ }}\n LABELS = {{ $labels }}"
summary: Prometheus AlertManager configuration reload failure (instance {{
$labels.instance }})
expr: alertmanager_config_last_reload_successful != 1
for: 0m
labels:
severity: warning
- alert: PrometheusAlertmanagerConfigNotSynced
annotations:
description: "Configurations of AlertManager cluster instances are out of\
\ sync\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus AlertManager config not synced (instance {{ $labels.instance
}})
expr: count(count_values("config_hash", alertmanager_config_hash)) > 1
for: 0m
labels:
severity: warning
- alert: PrometheusNotConnectedToAlertmanager
annotations:
description: "Prometheus cannot connect the alertmanager\n VALUE = {{ $value\
\ }}\n LABELS = {{ $labels }}"
summary: Prometheus not connected to alertmanager (instance {{ $labels.instance
}})
expr: prometheus_notifications_alertmanagers_discovered < 1
for: 0m
labels:
severity: critical
- alert: PrometheusRuleEvaluationFailures
annotations:
description: "Prometheus encountered {{ $value }} rule evaluation failures,\
\ leading to potentially ignored alerts.\n VALUE = {{ $value }}\n LABELS\
\ = {{ $labels }}"
summary: Prometheus rule evaluation failures (instance {{ $labels.instance
}})
expr: increase(prometheus_rule_evaluation_failures_total[3m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTemplateTextExpansionFailures
annotations:
description: "Prometheus encountered {{ $value }} template text expansion\
\ failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus template text expansion failures (instance {{ $labels.instance
}})
expr: increase(prometheus_template_text_expansion_failures_total[3m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusRuleEvaluationSlow
annotations:
description: "Prometheus rule evaluation took more time than the scheduled\
\ interval. It indicates a slower storage backend access or too complex\
\ query.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus rule evaluation slow (instance {{ $labels.instance }})
expr: prometheus_rule_group_last_duration_seconds > prometheus_rule_group_interval_seconds
for: 5m
labels:
severity: warning
- alert: PrometheusNotificationsBacklog
annotations:
description: "The Prometheus notification queue has not been empty for 10\
\ minutes\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus notifications backlog (instance {{ $labels.instance }})
expr: min_over_time(prometheus_notifications_queue_length[10m]) > 0
for: 0m
labels:
severity: warning
- alert: PrometheusAlertmanagerNotificationFailing
annotations:
description: "Alertmanager is failing sending notifications\n VALUE = {{\
\ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus AlertManager notification failing (instance {{ $labels.instance
}})
expr: rate(alertmanager_notifications_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTargetEmpty
annotations:
description: "Prometheus has no target in service discovery\n VALUE = {{\
\ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus target empty (instance {{ $labels.instance }})
expr: prometheus_sd_discovered_targets == 0
for: 0m
labels:
severity: critical
- alert: PrometheusLargeScrape
annotations:
description: "Prometheus has many scrapes that exceed the sample limit\n \
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus large scrape (instance {{ $labels.instance }})
expr: increase(prometheus_target_scrapes_exceeded_sample_limit_total[10m]) >
10
for: 5m
labels:
severity: warning
- alert: PrometheusTargetScrapeDuplicate
annotations:
description: "Prometheus has many samples rejected due to duplicate timestamps\
\ but different values\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus target scrape duplicate (instance {{ $labels.instance
}})
expr: increase(prometheus_target_scrapes_sample_duplicate_timestamp_total[5m])
> 0
for: 0m
labels:
severity: warning
- alert: PrometheusTsdbCheckpointCreationFailures
annotations:
description: "Prometheus encountered {{ $value }} checkpoint creation failures\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB checkpoint creation failures (instance {{ $labels.instance
}})
expr: increase(prometheus_tsdb_checkpoint_creations_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbCheckpointDeletionFailures
annotations:
description: "Prometheus encountered {{ $value }} checkpoint deletion failures\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB checkpoint deletion failures (instance {{ $labels.instance
}})
expr: increase(prometheus_tsdb_checkpoint_deletions_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbCompactionsFailed
annotations:
description: "Prometheus encountered {{ $value }} TSDB compactions failures\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB compactions failed (instance {{ $labels.instance
}})
expr: increase(prometheus_tsdb_compactions_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbHeadTruncationsFailed
annotations:
description: "Prometheus encountered {{ $value }} TSDB head truncation failures\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB head truncations failed (instance {{ $labels.instance
}})
expr: increase(prometheus_tsdb_head_truncations_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbReloadFailures
annotations:
description: "Prometheus encountered {{ $value }} TSDB reload failures\n \
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB reload failures (instance {{ $labels.instance }})
expr: increase(prometheus_tsdb_reloads_failures_total[1m]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbWalCorruptions
annotations:
description: "Prometheus encountered {{ $value }} TSDB WAL corruptions\n \
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB WAL is corrupt, make sure there is enough disk space
and wipe /data/wal
expr: increase(prometheus_tsdb_wal_corruptions_total[2h]) > 0
for: 0m
labels:
severity: critical
- alert: PrometheusTsdbWalTruncationsFailed
annotations:
description: "Prometheus encountered {{ $value }} TSDB WAL truncation failures\n\
\ VALUE = {{ $value }}\n LABELS = {{ $labels }}"
summary: Prometheus TSDB WAL truncations failed (instance {{ $labels.instance
}})
expr: increase(prometheus_tsdb_wal_truncations_failed_total[1m]) > 0
for: 0m
labels:
severity: critical
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: prometheus
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
traefik.ingress.kubernetes.io/router.middlewares: monitoring-prometheus@kubernetescrd
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spec:
rules:
- host: prom.k-space.ee
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: prometheus-operated
port:
number: 9090
tls:
- hosts:
- "*.k-space.ee"
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---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: alertmanager
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: websecure
traefik.ingress.kubernetes.io/router.tls: "true"
external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
traefik.ingress.kubernetes.io/router.middlewares: monitoring-alertmanager@kubernetescrd
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spec:
rules:
- host: am.k-space.ee
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: alertmanager-operated
port:
number: 9093
tls:
- hosts:
- "*.k-space.ee"
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---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: prometheus
spec:
selector:
matchLabels:
app.kubernetes.io/name: prometheus
podMetricsEndpoints:
- port: web
---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: alertmanager
spec:
selector:
matchLabels:
app.kubernetes.io/name: alertmanager
podMetricsEndpoints:
- port: web
---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: operator
spec:
selector:
matchLabels:
app.kubernetes.io/name: prometheus-operator
podMetricsEndpoints:
- port: http
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
name: kubelet
spec:
endpoints:
- bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
honorLabels: true
interval: 30s
port: https-metrics
scheme: https
tlsConfig:
insecureSkipVerify: true
- bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
honorLabels: true
interval: 30s
path: /metrics/cadvisor
port: https-metrics
scheme: https
tlsConfig:
insecureSkipVerify: true
namespaceSelector:
matchNames:
- kube-system
selector:
matchLabels:
app.kubernetes.io/name: kubelet
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---
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apiVersion: codemowers.cloud/v1beta1
kind: OIDCMiddlewareClient
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metadata:
name: prometheus
spec:
displayName: Prometheus
uri: 'https://prom.k-space.ee'
allowedGroups:
- k-space:floor
headerMapping:
email: Remote-Email
groups: Remote-Groups
name: Remote-Name
user: Remote-Username
---
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apiVersion: codemowers.cloud/v1beta1
kind: OIDCMiddlewareClient
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metadata:
name: alertmanager
spec:
displayName: AlertManager
uri: 'https://am.k-space.ee'
allowedGroups:
- k-space:kubernetes:admins
headerMapping:
email: Remote-Email
groups: Remote-Groups
name: Remote-Name
user: Remote-Username