563 lines
16 KiB
Jsonnet
563 lines
16 KiB
Jsonnet
local relabelings = import '../addons/dropping-deprecated-metrics-relabelings.libsonnet';
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local defaults = {
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local defaults = self,
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namespace: error 'must provide namespace',
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version: error 'must provide version',
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image: error 'must provide image',
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resources: {
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requests: { memory: '400Mi' },
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},
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name: error 'must provide name',
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alertmanagerName: error 'must provide alertmanagerName',
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namespaces: ['default', 'kube-system', defaults.namespace],
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replicas: 2,
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commonLabels:: {
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'app.kubernetes.io/name': 'prometheus',
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'app.kubernetes.io/version': defaults.version,
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'app.kubernetes.io/component': 'prometheus',
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'app.kubernetes.io/part-of': 'kube-prometheus',
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},
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selectorLabels:: {
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[labelName]: defaults.commonLabels[labelName]
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for labelName in std.objectFields(defaults.commonLabels)
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if !std.setMember(labelName, ['app.kubernetes.io/version'])
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} + { prometheus: defaults.name },
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ruleSelector: {
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matchLabels: defaults.mixin.ruleLabels,
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},
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mixin: {
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ruleLabels: {
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role: 'alert-rules',
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prometheus: defaults.name,
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},
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_config: {
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prometheusSelector: 'job="prometheus-' + defaults.name + '",namespace="' + defaults.namespace + '"',
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prometheusName: '{{$labels.namespace}}/{{$labels.pod}}',
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thanosSelector: 'job="thanos-sidecar"',
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},
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},
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thanos: {},
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};
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function(params) {
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local p = self,
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config:: defaults + params,
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// Safety check
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assert std.isObject(p.config.resources),
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assert std.isObject(p.config.mixin._config),
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mixin:: (import 'github.com/prometheus/prometheus/documentation/prometheus-mixin/mixin.libsonnet') + (
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if p.config.thanos != {} then
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(import 'github.com/thanos-io/thanos/mixin/alerts/sidecar.libsonnet') + {
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sidecar: {
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selector: p.config.mixin._config.thanosSelector,
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},
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}
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else {}
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) {
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_config+:: p.config.mixin._config,
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},
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prometheusRule: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'PrometheusRule',
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metadata: {
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labels: p.config.commonLabels + p.config.mixin.ruleLabels,
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name: 'prometheus-' + p.config.name + '-prometheus-rules',
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namespace: p.config.namespace,
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},
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spec: {
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local r = if std.objectHasAll(p.mixin, 'prometheusRules') then p.mixin.prometheusRules.groups else [],
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local a = if std.objectHasAll(p.mixin, 'prometheusAlerts') then p.mixin.prometheusAlerts.groups else [],
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groups: a + r,
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},
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},
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serviceAccount: {
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apiVersion: 'v1',
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kind: 'ServiceAccount',
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metadata: {
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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labels: p.config.commonLabels,
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},
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},
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service: {
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apiVersion: 'v1',
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kind: 'Service',
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metadata: {
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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labels: { prometheus: p.config.name } + p.config.commonLabels,
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},
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spec: {
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ports: [
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{ name: 'web', targetPort: 'web', port: 9090 },
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] +
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(
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if p.config.thanos != {} then
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[{ name: 'grpc', port: 10901, targetPort: 10901 }]
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else []
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),
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selector: { app: 'prometheus' } + p.config.selectorLabels,
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sessionAffinity: 'ClientIP',
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},
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},
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roleBindingSpecificNamespaces:
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local newSpecificRoleBinding(namespace) = {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'RoleBinding',
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metadata: {
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name: 'prometheus-' + p.config.name,
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namespace: namespace,
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labels: p.config.commonLabels,
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},
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roleRef: {
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apiGroup: 'rbac.authorization.k8s.io',
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kind: 'Role',
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name: 'prometheus-' + p.config.name,
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},
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subjects: [{
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kind: 'ServiceAccount',
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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}],
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};
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{
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'RoleBindingList',
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items: [newSpecificRoleBinding(x) for x in p.config.namespaces],
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},
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clusterRole: {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'ClusterRole',
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metadata: {
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name: 'prometheus-' + p.config.name,
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labels: p.config.commonLabels,
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},
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rules: [
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{
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apiGroups: [''],
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resources: ['nodes/metrics'],
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verbs: ['get'],
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},
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{
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nonResourceURLs: ['/metrics'],
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verbs: ['get'],
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},
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],
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},
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roleConfig: {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'Role',
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metadata: {
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name: 'prometheus-' + p.config.name + '-config',
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namespace: p.config.namespace,
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labels: p.config.commonLabels,
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},
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rules: [{
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apiGroups: [''],
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resources: ['configmaps'],
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verbs: ['get'],
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}],
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},
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roleBindingConfig: {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'RoleBinding',
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metadata: {
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name: 'prometheus-' + p.config.name + '-config',
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namespace: p.config.namespace,
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labels: p.config.commonLabels,
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},
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roleRef: {
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apiGroup: 'rbac.authorization.k8s.io',
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kind: 'Role',
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name: 'prometheus-' + p.config.name + '-config',
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},
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subjects: [{
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kind: 'ServiceAccount',
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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}],
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},
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clusterRoleBinding: {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'ClusterRoleBinding',
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metadata: {
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name: 'prometheus-' + p.config.name,
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labels: p.config.commonLabels,
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},
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roleRef: {
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apiGroup: 'rbac.authorization.k8s.io',
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kind: 'ClusterRole',
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name: 'prometheus-' + p.config.name,
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},
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subjects: [{
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kind: 'ServiceAccount',
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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}],
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},
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roleSpecificNamespaces:
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local newSpecificRole(namespace) = {
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'Role',
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metadata: {
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name: 'prometheus-' + p.config.name,
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namespace: namespace,
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labels: p.config.commonLabels,
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},
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rules: [
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{
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apiGroups: [''],
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resources: ['services', 'endpoints', 'pods'],
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verbs: ['get', 'list', 'watch'],
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},
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{
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apiGroups: ['extensions'],
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resources: ['ingresses'],
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verbs: ['get', 'list', 'watch'],
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},
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],
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};
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{
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apiVersion: 'rbac.authorization.k8s.io/v1',
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kind: 'RoleList',
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items: [newSpecificRole(x) for x in p.config.namespaces],
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},
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prometheus: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'Prometheus',
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metadata: {
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name: p.config.name,
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namespace: p.config.namespace,
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labels: { prometheus: p.config.name } + p.config.commonLabels,
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},
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spec: {
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replicas: p.config.replicas,
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version: p.config.version,
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image: p.config.image,
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podMetadata: {
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labels: p.config.commonLabels,
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},
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serviceAccountName: 'prometheus-' + p.config.name,
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serviceMonitorSelector: {},
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podMonitorSelector: {},
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probeSelector: {},
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serviceMonitorNamespaceSelector: {},
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podMonitorNamespaceSelector: {},
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probeNamespaceSelector: {},
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nodeSelector: { 'kubernetes.io/os': 'linux' },
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ruleSelector: p.config.ruleSelector,
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resources: p.config.resources,
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alerting: {
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alertmanagers: [{
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namespace: p.config.namespace,
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name: 'alertmanager-' + p.config.alertmanagerName,
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port: 'web',
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apiVersion: 'v2',
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}],
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},
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securityContext: {
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runAsUser: 1000,
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runAsNonRoot: true,
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fsGroup: 2000,
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},
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[if std.objectHas(params, 'thanos') then 'thanos']: p.config.thanos,
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},
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},
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serviceMonitor: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'prometheus-' + p.config.name,
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namespace: p.config.namespace,
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labels: p.config.commonLabels,
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},
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spec: {
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selector: {
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matchLabels: p.config.selectorLabels,
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},
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endpoints: [{
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port: 'web',
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interval: '30s',
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}],
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},
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},
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serviceMonitorKubeScheduler: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'kube-scheduler',
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namespace: p.config.namespace,
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labels: { 'app.kubernetes.io/name': 'kube-scheduler' },
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},
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spec: {
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jobLabel: 'app.kubernetes.io/name',
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endpoints: [{
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port: 'https-metrics',
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interval: '30s',
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scheme: 'https',
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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tlsConfig: { insecureSkipVerify: true },
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}],
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selector: {
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matchLabels: { 'app.kubernetes.io/name': 'kube-scheduler' },
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},
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namespaceSelector: {
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matchNames: ['kube-system'],
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},
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},
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},
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serviceMonitorKubelet: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'kubelet',
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namespace: p.config.namespace,
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labels: { 'app.kubernetes.io/name': 'kubelet' },
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},
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spec: {
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jobLabel: 'app.kubernetes.io/name',
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endpoints: [
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{
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port: 'https-metrics',
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scheme: 'https',
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interval: '30s',
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honorLabels: true,
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tlsConfig: { insecureSkipVerify: true },
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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metricRelabelings: relabelings,
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relabelings: [{
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sourceLabels: ['__metrics_path__'],
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targetLabel: 'metrics_path',
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}],
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},
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{
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port: 'https-metrics',
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scheme: 'https',
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path: '/metrics/cadvisor',
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interval: '30s',
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honorLabels: true,
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honorTimestamps: false,
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tlsConfig: {
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insecureSkipVerify: true,
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},
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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relabelings: [{
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sourceLabels: ['__metrics_path__'],
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targetLabel: 'metrics_path',
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}],
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metricRelabelings: [
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// Drop a bunch of metrics which are disabled but still sent, see
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// https://github.com/google/cadvisor/issues/1925.
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{
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sourceLabels: ['__name__'],
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regex: 'container_(network_tcp_usage_total|network_udp_usage_total|tasks_state|cpu_load_average_10s)',
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action: 'drop',
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},
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],
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},
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{
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port: 'https-metrics',
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scheme: 'https',
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path: '/metrics/probes',
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interval: '30s',
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honorLabels: true,
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tlsConfig: { insecureSkipVerify: true },
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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relabelings: [{
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sourceLabels: ['__metrics_path__'],
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targetLabel: 'metrics_path',
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}],
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},
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],
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selector: {
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matchLabels: { 'app.kubernetes.io/name': 'kubelet' },
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},
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namespaceSelector: {
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matchNames: ['kube-system'],
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},
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},
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},
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serviceMonitorKubeControllerManager: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'kube-controller-manager',
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namespace: p.config.namespace,
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labels: { 'app.kubernetes.io/name': 'kube-controller-manager' },
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},
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spec: {
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jobLabel: 'app.kubernetes.io/name',
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endpoints: [{
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port: 'https-metrics',
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interval: '30s',
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scheme: 'https',
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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tlsConfig: {
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insecureSkipVerify: true,
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},
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metricRelabelings: relabelings + [
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{
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sourceLabels: ['__name__'],
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regex: 'etcd_(debugging|disk|request|server).*',
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action: 'drop',
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},
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],
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}],
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selector: {
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matchLabels: { 'app.kubernetes.io/name': 'kube-controller-manager' },
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},
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namespaceSelector: {
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matchNames: ['kube-system'],
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},
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},
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},
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serviceMonitorApiserver: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'kube-apiserver',
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namespace: p.config.namespace,
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labels: { 'app.kubernetes.io/name': 'apiserver' },
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},
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spec: {
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jobLabel: 'component',
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selector: {
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matchLabels: {
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component: 'apiserver',
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provider: 'kubernetes',
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},
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},
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namespaceSelector: {
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matchNames: ['default'],
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},
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endpoints: [{
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port: 'https',
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interval: '30s',
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scheme: 'https',
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tlsConfig: {
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caFile: '/var/run/secrets/kubernetes.io/serviceaccount/ca.crt',
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serverName: 'kubernetes',
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},
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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metricRelabelings: relabelings + [
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{
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sourceLabels: ['__name__'],
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regex: 'etcd_(debugging|disk|server).*',
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action: 'drop',
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},
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{
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sourceLabels: ['__name__'],
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regex: 'apiserver_admission_controller_admission_latencies_seconds_.*',
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action: 'drop',
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},
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{
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sourceLabels: ['__name__'],
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regex: 'apiserver_admission_step_admission_latencies_seconds_.*',
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action: 'drop',
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},
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{
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sourceLabels: ['__name__', 'le'],
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regex: 'apiserver_request_duration_seconds_bucket;(0.15|0.25|0.3|0.35|0.4|0.45|0.6|0.7|0.8|0.9|1.25|1.5|1.75|2.5|3|3.5|4.5|6|7|8|9|15|25|30|50)',
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action: 'drop',
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},
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],
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}],
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},
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},
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|
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serviceMonitorCoreDNS: {
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apiVersion: 'monitoring.coreos.com/v1',
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kind: 'ServiceMonitor',
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metadata: {
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name: 'coredns',
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namespace: p.config.namespace,
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labels: { 'app.kubernetes.io/name': 'coredns' },
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},
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spec: {
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jobLabel: 'app.kubernetes.io/name',
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selector: {
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matchLabels: { 'app.kubernetes.io/name': 'kube-dns' },
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},
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namespaceSelector: {
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matchNames: ['kube-system'],
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},
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endpoints: [{
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port: 'metrics',
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interval: '15s',
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bearerTokenFile: '/var/run/secrets/kubernetes.io/serviceaccount/token',
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}],
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},
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},
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|
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// Include thanos sidecar Service only if thanos config was passed by user
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[if std.objectHas(params, 'thanos') && std.length(params.thanos) > 0 then 'serviceThanosSidecar']: {
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apiVersion: 'v1',
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kind: 'Service',
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metadata+: {
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name: 'prometheus-' + p.config.name + '-thanos-sidecar',
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namespace: p.config.namespace,
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labels+: p.config.commonLabels {
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prometheus: p.config.name,
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'app.kubernetes.io/component': 'thanos-sidecar',
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},
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},
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spec+: {
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ports: [
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{ name: 'grpc', port: 10901, targetPort: 10901 },
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{ name: 'http', port: 10902, targetPort: 10902 },
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],
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selector: p.config.selectorLabels {
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prometheus: p.config.name,
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|
'app.kubernetes.io/component': 'prometheus',
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},
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clusterIP: 'None',
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},
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},
|
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|
|
// Include thanos sidecar ServiceMonitor only if thanos config was passed by user
|
|
[if std.objectHas(params, 'thanos') && std.length(params.thanos) > 0 then 'serviceMonitorThanosSidecar']: {
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apiVersion: 'monitoring.coreos.com/v1',
|
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kind: 'ServiceMonitor',
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metadata+: {
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name: 'thanos-sidecar',
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namespace: p.config.namespace,
|
|
labels: p.config.commonLabels {
|
|
prometheus: p.config.name,
|
|
'app.kubernetes.io/component': 'thanos-sidecar',
|
|
},
|
|
},
|
|
spec+: {
|
|
jobLabel: 'app.kubernetes.io/component',
|
|
selector: {
|
|
matchLabels: {
|
|
prometheus: p.config.name,
|
|
'app.kubernetes.io/component': 'thanos-sidecar',
|
|
},
|
|
},
|
|
endpoints: [{
|
|
port: 'http',
|
|
interval: '30s',
|
|
}],
|
|
},
|
|
},
|
|
}
|