103 lines
3.0 KiB
Plaintext
103 lines
3.0 KiB
Plaintext
(import 'github.com/etcd-io/etcd/Documentation/etcd-mixin/mixin.libsonnet') + {
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_config+:: {
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etcd: {
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ips: [],
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clientCA: null,
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clientKey: null,
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clientCert: null,
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serverName: null,
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insecureSkipVerify: null,
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},
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},
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prometheus+:: {
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serviceEtcd: {
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apiVersion: 'v1',
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kind: 'Service',
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metadata: {
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name: 'etcd',
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namespace: 'kube-system',
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labels: { 'k8s-app': 'etcd' },
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},
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spec: {
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ports: [
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{ name: 'metrics', targetPort: 2379, port: 2379 },
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],
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clusterIP: 'None',
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},
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},
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endpointsEtcd: {
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apiVersion: 'v1',
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kind: 'Endpoints',
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metadata: {
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name: 'etcd',
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namespace: 'kube-system',
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labels: { 'k8s-app': 'etcd' },
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},
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subsets: [{
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addresses: [
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{ ip: etcdIP }
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for etcdIP in $._config.etcd.ips
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],
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ports: [
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{ name: 'metrics', port: 2379, protocol: 'TCP' },
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],
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}],
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},
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serviceMonitorEtcd: {
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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: 'etcd',
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namespace: 'kube-system',
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labels: {
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'k8s-app': 'etcd',
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},
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},
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spec: {
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jobLabel: 'k8s-app',
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endpoints: [
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{
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port: 'metrics',
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interval: '30s',
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scheme: 'https',
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// Prometheus Operator (and Prometheus) allow us to specify a tlsConfig. This is required as most likely your etcd metrics end points is secure.
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tlsConfig: {
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caFile: '/etc/prometheus/secrets/kube-etcd-client-certs/etcd-client-ca.crt',
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keyFile: '/etc/prometheus/secrets/kube-etcd-client-certs/etcd-client.key',
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certFile: '/etc/prometheus/secrets/kube-etcd-client-certs/etcd-client.crt',
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[if $._config.etcd.serverName != null then 'serverName']: $._config.etcd.serverName,
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[if $._config.etcd.insecureSkipVerify != null then 'insecureSkipVerify']: $._config.etcd.insecureSkipVerify,
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},
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},
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],
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selector: {
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matchLabels: {
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'k8s-app': 'etcd',
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},
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},
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},
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},
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secretEtcdCerts: {
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// Prometheus Operator allows us to mount secrets in the pod. By loading the secrets as files, they can be made available inside the Prometheus pod.
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apiVersion: 'v1',
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kind: 'Secret',
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type: 'Opaque',
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metadata: {
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name: 'kube-etcd-client-certs',
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namespace: $._config.namespace,
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},
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data: {
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'etcd-client-ca.crt': std.base64($._config.etcd.clientCA),
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'etcd-client.key': std.base64($._config.etcd.clientKey),
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'etcd-client.crt': std.base64($._config.etcd.clientCert),
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},
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},
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prometheus+: {
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// Reference info: https://coreos.com/operators/prometheus/docs/latest/api.html#prometheusspec
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spec+: {
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secrets+: [$.prometheus.secretEtcdCerts.metadata.name],
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},
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},
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},
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}
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