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prometheus-template.yaml
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---
# Prometheus scrape_configs
apiVersion: v1
kind: Secret
type: Opaque
metadata:
name: prometheus-scraping-config
labels:
prometheus: prometheus
stringData:
prometheus-kubernetes-pods-scraping.yaml: |-
### --- KUBE PODS (with prometheus annotations) ---
- job_name: 'kubernetes-pods'
kubernetes_sd_configs:
- role: pod
# only for optimization of e2e speed, normal value 30s
scrape_interval: 5s
scrape_timeout: 5s
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: false
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
relabel_configs:
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
regex: true
action: keep
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
regex: false
action: drop
- source_labels: [__meta_kubernetes_pod_ip, __meta_kubernetes_pod_annotation_prometheus_io_port]
regex: (.+);(.+)
replacement: $1:$2
target_label: __address__
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
action: replace
regex: ()
replacement: /metrics
target_label: __meta_kubernetes_pod_annotation_prometheus_io_path
- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
action: replace
target_label: __metrics_path__
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: pod_name
- source_labels: [__meta_kubernetes_pod_container_name]
action: replace
target_label: container_name
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: labeldrop
regex: 'container_id|image_id|controller_revision_hash|pod_template_generation|pod_template_hash'
metric_relabel_configs:
- source_labels: [__name__]
regex: 'process_virtual.*|process_max_fds|process_start_time.*|http_.*|go_gc.*'
action: drop
### look to https://github.com/prometheus/prometheus/issues/3756
- job_name: 'kubernetes-clickhouse-backup-pods'
kubernetes_sd_configs:
- role: pod
# only for e2e test, should 5m for production
scrape_interval: 5s
scrape_timeout: 5s
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: false
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
relabel_configs:
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_backup_scrape]
regex: true
action: keep
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_backup_scrape]
regex: false
action: drop
- source_labels: [__meta_kubernetes_pod_ip, __meta_kubernetes_pod_annotation_clickhouse_backup_port]
regex: (.+);(.+)
replacement: $1:$2
target_label: __address__
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_backup_path]
action: replace
regex: ()
replacement: /metrics
target_label: __meta_kubernetes_pod_annotation_clickhouse_backup_path
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_backup_path]
action: replace
target_label: __metrics_path__
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: pod_name
- source_labels: [__meta_kubernetes_pod_container_name]
action: replace
target_label: container_name
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: labeldrop
regex: 'container_id|image_id|controller_revision_hash|pod_template_generation|pod_template_hash'
- job_name: 'kubernetes-clickhouse-operator-pods'
kubernetes_sd_configs:
- role: pod
# only for e2e test, should 5m for production
scrape_interval: 10s
scrape_timeout: 10s
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: false
bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
relabel_configs:
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_operator_metrics_scrape]
regex: true
action: keep
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_operator_metrics_scrape]
regex: false
action: drop
- source_labels: [__meta_kubernetes_pod_ip, __meta_kubernetes_pod_annotation_clickhouse_operator_metrics_port]
regex: (.+);(.+)
replacement: $1:$2
target_label: __address__
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_operator_metrics_path]
action: replace
regex: ()
replacement: /metrics
target_label: __meta_kubernetes_pod_annotation_clickhouse_operator_metrics_path
- source_labels: [__meta_kubernetes_pod_annotation_clickhouse_operator_metrics_path]
action: replace
target_label: __metrics_path__
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: pod_name
- source_labels: [__meta_kubernetes_pod_container_name]
action: replace
target_label: container_name
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: labeldrop
regex: 'container_id|image_id|controller_revision_hash|pod_template_generation|pod_template_hash'
---
# Setup Prometheus
# Prometheus would be created in kubectl-specified namespace
apiVersion: monitoring.coreos.com/v1
kind: Prometheus
metadata:
name: prometheus
labels:
prometheus: prometheus
spec:
replicas: 1
retention: 1w
# only for speedup e2e tests
scrapeInterval: 5s
evaluationInterval: 5s
serviceAccountName: prometheus
# which PodMonitors to be used
podMonitorSelector:
matchLabels:
app: prometheus
# which ServiceMonitors to be used
serviceMonitorSelector:
matchLabels:
app: prometheus
additionalScrapeConfigs:
name: prometheus-scraping-config
key: prometheus-kubernetes-pods-scraping.yaml
ruleSelector:
matchLabels:
role: alert-rules
prometheus: prometheus
enableAdminAPI: false
alerting:
alertmanagers:
- namespace: ${PROMETHEUS_NAMESPACE}
name: alertmanager
port: web
---
# Setup ClusterIP Service
# Service would be created in kubectl-specified namespace
# In order to get access outside of k8s it should be exposed as:
# kubectl --namespace prometheus port-forward service/prometheus 9090
# and point browser to localhost:9090
apiVersion: v1
kind: Service
metadata:
name: prometheus
spec:
type: ClusterIP
ports:
- name: web
port: 9090
protocol: TCP
targetPort: web
selector:
prometheus: prometheus