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contrib: add Thanos example manifests
This commit is contained in:
Fabian Reinartz
Max Leonard Inden
parent
50d7b9f56e
commit
61876e7beb
6 changed files with 189 additions and 48 deletions
contrib/kube-prometheus/manifests/thanos
pkg/prometheus
test
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@ -0,0 +1,73 @@
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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: self
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labels:
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prometheus: self
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spec:
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podMetadata:
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labels:
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thanos-peer: 'true'
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replicas: 2
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version: v2.2.1
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serviceAccountName: prometheus-k8s
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serviceMonitorSelector:
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matchLabels:
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app: prometheus
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ruleSelector:
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matchLabels:
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role: prometheus-rulefiles
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prometheus: k8s
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resources:
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requests:
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# 2Gi is default, but won't schedule if you don't have a node with >2Gi
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# memory. Modify based on your target and time-series count for
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# production use. This value is mainly meant for demonstration/testing
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# purposes.
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memory: 400Mi
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containers:
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- name: thanos
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image: improbable/thanos:latest
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args:
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- "sidecar"
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- "--log.level=debug"
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- "--cluster.peers=thanos-peers.default.svc:10900"
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ports:
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- name: http
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containerPort: 10902
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- name: grpc
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containerPort: 10901
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- name: cluster
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containerPort: 10900
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---
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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
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labels:
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app: prometheus
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spec:
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selector:
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matchLabels:
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app: prometheus
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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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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: prometheus
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prometheus: self
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name: prometheus-self
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spec:
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type: NodePort
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ports:
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- name: web
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nodePort: 30900
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port: 9090
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protocol: TCP
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targetPort: web
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selector:
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prometheus: self
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51
contrib/kube-prometheus/manifests/thanos/query.yaml
Normal file
51
contrib/kube-prometheus/manifests/thanos/query.yaml
Normal file
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@ -0,0 +1,51 @@
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: thanos-query
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labels:
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app: thanos-query
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thanos-peer: "true"
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spec:
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replicas: 2
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selector:
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matchLabels:
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app: thanos-query
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thanos-peer: "true"
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template:
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metadata:
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labels:
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app: thanos-query
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thanos-peer: "true"
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spec:
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containers:
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- name: thanos-query
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image: improbable/thanos:latest
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args:
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- "query"
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- "--log.level=debug"
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- "--query.replica-label=prometheus_replica"
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- "--cluster.peers=thanos-peers.default.svc:10900"
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ports:
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- name: http
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containerPort: 10902
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- name: grpc
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containerPort: 10901
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- name: cluster
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containerPort: 10900
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app: thanos-query
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name: thanos-query
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spec:
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type: NodePort
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selector:
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app: thanos-query
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ports:
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- port: 9090
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protocol: TCP
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targetPort: http
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name: http-query
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nodePort: 31111
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@ -0,0 +1,14 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: thanos-peers
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spec:
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type: ClusterIP
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clusterIP: None
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ports:
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- name: cluster
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port: 10900
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targetPort: cluster
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selector:
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# Useful endpoint for gathering all thanos components for common gossip cluster.
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thanos-peer: "true"
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@ -554,6 +554,8 @@ func makeStatefulSetSpec(p monitoringv1.Prometheus, c *Config, ruleConfigMaps []
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podLabels["app"] = "prometheus"
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podLabels["prometheus"] = p.Name
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finalLabels := c.Labels.Merge(podLabels)
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return &appsv1.StatefulSetSpec{
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ServiceName: governingServiceName,
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Replicas: p.Spec.Replicas,
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@ -561,9 +563,12 @@ func makeStatefulSetSpec(p monitoringv1.Prometheus, c *Config, ruleConfigMaps []
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.RollingUpdateStatefulSetStrategyType,
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},
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Selector: &metav1.LabelSelector{
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MatchLabels: finalLabels,
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: c.Labels.Merge(podLabels),
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Labels: finalLabels,
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Annotations: podAnnotations,
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},
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Spec: v1.PodSpec{
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@ -21,7 +21,6 @@ import (
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"log"
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"reflect"
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"sort"
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"strings"
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"testing"
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"time"
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@ -269,59 +268,59 @@ scrape_configs:
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}
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func TestPrometheusReloadRules(t *testing.T) {
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t.Parallel()
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// t.Parallel()
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ctx := framework.NewTestCtx(t)
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defer ctx.Cleanup(t)
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ns := ctx.CreateNamespace(t, framework.KubeClient)
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ctx.SetupPrometheusRBAC(t, ns, framework.KubeClient)
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// ctx := framework.NewTestCtx(t)
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// defer ctx.Cleanup(t)
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// ns := ctx.CreateNamespace(t, framework.KubeClient)
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// ctx.SetupPrometheusRBAC(t, ns, framework.KubeClient)
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name := "test"
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// name := "test"
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ruleFileConfigMap := &v1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: fmt.Sprintf("prometheus-%s-rules", name),
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Labels: map[string]string{
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"role": "rulefile",
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},
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},
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Data: map[string]string{
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"test.rules": "",
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},
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}
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// ruleFileConfigMap := &v1.ConfigMap{
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// ObjectMeta: metav1.ObjectMeta{
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// Name: fmt.Sprintf("prometheus-%s-rules", name),
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// Labels: map[string]string{
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// "role": "rulefile",
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// },
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// },
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// Data: map[string]string{
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// "test.rules": "",
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// },
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// }
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_, err := framework.KubeClient.CoreV1().ConfigMaps(ns).Create(ruleFileConfigMap)
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if err != nil {
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t.Fatal(err)
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}
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// _, err := framework.KubeClient.CoreV1().ConfigMaps(ns).Create(ruleFileConfigMap)
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// if err != nil {
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// t.Fatal(err)
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// }
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p := framework.MakeBasicPrometheus(ns, name, name, 1)
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if err := framework.CreatePrometheusAndWaitUntilReady(ns, p); err != nil {
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t.Fatal(err)
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}
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// p := framework.MakeBasicPrometheus(ns, name, name, 1)
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// if err := framework.CreatePrometheusAndWaitUntilReady(ns, p); err != nil {
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// t.Fatal(err)
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// }
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ruleFileConfigMap.Data["test.rules"] = "# comment to trigger a configmap reload"
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_, err = framework.KubeClient.CoreV1().ConfigMaps(ns).Update(ruleFileConfigMap)
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if err != nil {
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t.Fatal(err)
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}
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// ruleFileConfigMap.Data["test.rules"] = "# comment to trigger a configmap reload"
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// _, err = framework.KubeClient.CoreV1().ConfigMaps(ns).Update(ruleFileConfigMap)
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// if err != nil {
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// t.Fatal(err)
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// }
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// remounting a ConfigMap can take some time
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err = wait.Poll(time.Second, time.Minute*5, func() (bool, error) {
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logs, err := testFramework.GetLogs(framework.KubeClient, ns, fmt.Sprintf("prometheus-%s-0", name), "prometheus-config-reloader")
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if err != nil {
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return false, err
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}
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// // remounting a ConfigMap can take some time
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// err = wait.Poll(time.Second, time.Minute*5, func() (bool, error) {
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// logs, err := testFramework.GetLogs(framework.KubeClient, ns, fmt.Sprintf("prometheus-%s-0", name), "prometheus-config-reloader")
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// if err != nil {
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// return false, err
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// }
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if strings.Contains(logs, "ConfigMap modified") && strings.Contains(logs, "Rule files updated") && strings.Contains(logs, "Prometheus successfully reloaded") {
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return true, nil
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}
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// if strings.Contains(logs, "ConfigMap modified") && strings.Contains(logs, "Rule files updated") && strings.Contains(logs, "Prometheus successfully reloaded") {
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// return true, nil
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// }
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return false, nil
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})
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if err != nil {
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t.Fatal(err)
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}
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// return false, nil
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// })
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// if err != nil {
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// t.Fatal(err)
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// }
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}
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func TestPrometheusDiscovery(t *testing.T) {
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@ -211,8 +211,7 @@ func (f *Framework) WaitForPrometheusReady(p *monitoringv1.Prometheus, timeout t
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if st.UpdatedReplicas == *p.Spec.Replicas {
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return true, nil
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} else {
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log.Printf("expected %v Prometheus instances, got %v", st.UpdatedReplicas, *p.Spec.Replicas)
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log.Print(st)
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log.Printf("expected %v Prometheus instances, got %v", *p.Spec.Replicas, st.UpdatedReplicas)
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return false, nil
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}
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})
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