manifests: add headless services for k8s components
This way they are discoverable via the kubernetes endpoints discovery of Prometheus.
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@@ -0,0 +1,18 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-controller-manager-prometheus-discovery
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labels:
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k8s-app: kube-controller-manager
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annotations:
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prometheus.io/scrape: 'true'
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spec:
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selector:
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k8s-app: kube-controller-manager
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type: ClusterIP
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clusterIP: None
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ports:
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- name: prometheus
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port: 10252
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targetPort: 10252
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protocol: TCP
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18
manifests/k8s/kube-dns-prom-bootkube-vagrant-multi.yaml
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18
manifests/k8s/kube-dns-prom-bootkube-vagrant-multi.yaml
Normal file
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-dns-prometheus-discovery
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labels:
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k8s-app: kube-dns
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annotations:
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prometheus.io/scrape: 'true'
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spec:
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selector:
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k8s-app: kube-dns
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type: ClusterIP
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clusterIP: None
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ports:
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- name: prometheus
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port: 8082
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targetPort: 8082
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protocol: TCP
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18
manifests/k8s/kube-scheduler-bootkube-vagrant-multi.yaml
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18
manifests/k8s/kube-scheduler-bootkube-vagrant-multi.yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: kube-scheduler-prometheus-discovery
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labels:
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k8s-app: kube-scheduler
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annotations:
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prometheus.io/scrape: 'true'
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spec:
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selector:
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k8s-app: kube-scheduler
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type: ClusterIP
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clusterIP: None
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ports:
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- name: prometheus
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port: 10251
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targetPort: 10251
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protocol: TCP
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@@ -50,3 +50,27 @@ data:
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regex: kubernetes
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target_label: __scheme__
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replacement: https
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# Scrapes the endpoint lists for the kube-dns server. Which we consider
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# part of a default setup.
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- job_name: kube-components
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scrape_interval: 20s
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tls_config:
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ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
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kubernetes_sd_configs:
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- role: endpoints
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relabel_configs:
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- action: replace
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source_labels: [__meta_kubernetes_service_name]
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target_label: job
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regex: "kube-(.*)-prometheus-discovery"
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replacement: "kube-${1}"
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- action: keep
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source_labels: [__meta_kubernetes_service_name]
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regex: "kube-(.*)-prometheus-discovery"
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- action: keep
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source_labels: [__meta_kubernetes_endpoint_port_name]
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regex: "prometheus"
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