Grafana and Prometheus are a powerful monitoring solutions that allow you to visualize, query, and alert metrics no matter where they are stored.
You will need
- A kubernetes cluster
- kubectl installed locally
- helm installed locally
kubectl create namespace monitoring
echo -n 'adminuser' > ./admin-user # change your username
echo -n 'p@ssword!' > ./admin-password # change your password
kubectl create secret generic grafana-admin-credentials --from-file=./admin-user --from-file=admin-password -n monitoring
rm admin-user && rm admin-password
vi values.yaml
fullnameOverride: prometheus
defaultRules:
create: true
rules:
alertmanager: true
etcd: true
configReloaders: true
general: true
k8s: true
kubeApiserverAvailability: true
kubeApiserverBurnrate: true
kubeApiserverHistogram: true
kubeApiserverSlos: true
kubelet: true
kubeProxy: true
kubePrometheusGeneral: true
kubePrometheusNodeRecording: true
kubernetesApps: true
kubernetesResources: true
kubernetesStorage: true
kubernetesSystem: true
kubeScheduler: true
kubeStateMetrics: true
network: true
node: true
nodeExporterAlerting: true
nodeExporterRecording: true
prometheus: true
prometheusOperator: true
alertmanager:
fullnameOverride: alertmanager
enabled: true
ingress:
enabled: false
grafana:
enabled: true
fullnameOverride: grafana
forceDeployDatasources: false
forceDeployDashboards: false
defaultDashboardsEnabled: true
defaultDashboardsTimezone: utc
serviceMonitor:
enabled: true
admin:
existingSecret: grafana-admin-credentials
userKey: admin-user
passwordKey: admin-password
kubeApiServer:
enabled: true
kubelet:
enabled: true
serviceMonitor:
metricRelabelings:
- action: replace
sourceLabels:
- node
targetLabel: instance
kubeStateMetrics:
enabled: true
kube-state-metrics:
fullnameOverride: kube-state-metrics
selfMonitor:
enabled: true
prometheus:
monitor:
enabled: true
relabelings:
- action: replace
regex: (.*)
replacement: $1
sourceLabels:
- __meta_kubernetes_pod_node_name
targetLabel: kubernetes_node
nodeExporter:
enabled: true
serviceMonitor:
relabelings:
- action: replace
regex: (.*)
replacement: $1
sourceLabels:
- __meta_kubernetes_pod_node_name
targetLabel: kubernetes_node
prometheus-node-exporter:
fullnameOverride: node-exporter
podLabels:
jobLabel: node-exporter
extraArgs:
- --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/.+)($|/)
- --collector.filesystem.fs-types-exclude=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$
service:
portName: http-metrics
prometheus:
monitor:
enabled: true
relabelings:
- action: replace
regex: (.*)
replacement: $1
sourceLabels:
- __meta_kubernetes_pod_node_name
targetLabel: kubernetes_node
resources:
requests:
memory: 512Mi
cpu: 250m
limits:
memory: 2048Mi
prometheusOperator:
enabled: true
prometheusConfigReloader:
resources:
requests:
cpu: 200m
memory: 50Mi
limits:
memory: 100Mi
prometheus:
enabled: true
prometheusSpec:
replicas: 1
replicaExternalLabelName: "replica"
ruleSelectorNilUsesHelmValues: false
serviceMonitorSelectorNilUsesHelmValues: false
podMonitorSelectorNilUsesHelmValues: false
probeSelectorNilUsesHelmValues: false
retention: 6h
enableAdminAPI: true
walCompression: true
thanosRuler:
enabled: false
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update
helm install -n monitoring prometheus prometheus-community/kube-prometheus-stack -f values.yaml
kubectl port-forward -n monitoring grafana-fcc55c57f-fhjfr 52222:3000
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