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Merge pull request #1873 from CatherineF-dev/daemonset-sharding-example
docs: Daemonset sharding example
2 parents 8fe5180 + 5fae596 commit 6eadca8

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‎Makefile

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@@ -134,7 +134,7 @@ examples/prometheus-alerting-rules/alerts.yaml: jsonnet $(shell find jsonnet | g
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mkdir -p examples/prometheus-alerting-rules
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jsonnet -J scripts/vendor scripts/mixin.jsonnet | gojsontoyaml > examples/prometheus-alerting-rules/alerts.yaml
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examples: examples/standard examples/autosharding mixin
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examples: examples/standard examples/autosharding examples/daemonsetsharding mixin
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examples/standard: jsonnet $(shell find jsonnet | grep ".libsonnet") scripts/standard.jsonnet scripts/vendor VERSION
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mkdir -p examples/standard
@@ -146,6 +146,11 @@ examples/autosharding: jsonnet $(shell find jsonnet | grep ".libsonnet") scripts
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jsonnet -J scripts/vendor -m examples/autosharding --ext-str version="$(VERSION)" scripts/autosharding.jsonnet | xargs -I{} sh -c 'cat {} | gojsontoyaml > `echo {} | sed "s/\(.\)\([A-Z]\)/\1-\2/g" | tr "[:upper:]" "[:lower:]"`.yaml' -- {}
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find examples -type f ! -name '*.yaml' -delete
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examples/daemonsetsharding: jsonnet $(shell find jsonnet | grep ".libsonnet") scripts/daemonsetsharding.jsonnet scripts/vendor VERSION
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mkdir -p examples/daemonsetsharding
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jsonnet -J scripts/vendor -m examples/daemonsetsharding --ext-str version="$(VERSION)" scripts/daemonsetsharding.jsonnet | xargs -I{} sh -c 'cat {} | gojsontoyaml > `echo {} | sed "s/\(.\)\([A-Z]\)/\1-\2/g" | tr "[:upper:]" "[:lower:]"`.yaml' -- {}
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find examples -type f ! -name '*.yaml' -delete
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scripts/vendor: scripts/jsonnetfile.json scripts/jsonnetfile.lock.json
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cd scripts && jb install
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‎examples/daemonsetsharding/cluster-role-binding.yaml

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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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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics
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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: kube-state-metrics
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subjects:
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- kind: ServiceAccount
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name: kube-state-metrics
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namespace: kube-system

‎examples/daemonsetsharding/cluster-role.yaml

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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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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics
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rules:
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- apiGroups:
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- ""
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resources:
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- configmaps
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- secrets
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- nodes
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- pods
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- services
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- serviceaccounts
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- resourcequotas
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- replicationcontrollers
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- limitranges
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- persistentvolumeclaims
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- persistentvolumes
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- namespaces
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- endpoints
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verbs:
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- list
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- watch
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- apiGroups:
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- apps
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resources:
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- statefulsets
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- daemonsets
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- deployments
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- replicasets
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verbs:
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- list
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- watch
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- apiGroups:
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- batch
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resources:
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- cronjobs
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- jobs
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verbs:
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- list
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- watch
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- apiGroups:
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- autoscaling
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resources:
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- horizontalpodautoscalers
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verbs:
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- list
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- watch
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- apiGroups:
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- authentication.k8s.io
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resources:
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- tokenreviews
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verbs:
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- create
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- apiGroups:
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- authorization.k8s.io
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resources:
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- subjectaccessreviews
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verbs:
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- create
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- apiGroups:
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- policy
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resources:
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- poddisruptionbudgets
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verbs:
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- list
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- watch
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- apiGroups:
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- certificates.k8s.io
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resources:
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- certificatesigningrequests
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verbs:
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- list
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- watch
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- apiGroups:
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- discovery.k8s.io
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resources:
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- endpointslices
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verbs:
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- list
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- watch
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- apiGroups:
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- storage.k8s.io
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resources:
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- storageclasses
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- volumeattachments
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verbs:
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- list
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- watch
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- apiGroups:
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- admissionregistration.k8s.io
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resources:
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- mutatingwebhookconfigurations
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- validatingwebhookconfigurations
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verbs:
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- list
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- watch
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- apiGroups:
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- networking.k8s.io
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resources:
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- networkpolicies
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- ingressclasses
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- ingresses
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verbs:
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- list
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- watch
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- apiGroups:
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- coordination.k8s.io
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resources:
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- leases
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verbs:
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- list
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- watch
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- apiGroups:
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- rbac.authorization.k8s.io
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resources:
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- clusterrolebindings
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- clusterroles
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- rolebindings
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- roles
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verbs:
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- list
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- watch

‎examples/daemonsetsharding/daemonset-service.yaml

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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.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics-shard
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics-shard
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namespace: kube-system
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spec:
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clusterIP: None
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ports:
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- name: http-metrics
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port: 8080
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targetPort: http-metrics
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- name: telemetry
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port: 8081
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targetPort: telemetry
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selector:
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app.kubernetes.io/name: kube-state-metrics-shard

‎examples/daemonsetsharding/daemonset.yaml

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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics-shard
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics-shard
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namespace: kube-system
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spec:
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selector:
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matchLabels:
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app.kubernetes.io/name: kube-state-metrics-shard
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template:
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metadata:
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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics-shard
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app.kubernetes.io/version: 2.8.2
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spec:
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automountServiceAccountToken: true
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containers:
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- args:
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- --resources=pods
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- --node=$(NODE_NAME)
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env:
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: spec.nodeName
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image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.8.2
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8080
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initialDelaySeconds: 5
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timeoutSeconds: 5
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name: kube-state-metrics-shard
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ports:
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- containerPort: 8080
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name: http-metrics
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- containerPort: 8081
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name: telemetry
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readinessProbe:
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httpGet:
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path: /
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port: 8081
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initialDelaySeconds: 5
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timeoutSeconds: 5
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securityContext:
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allowPrivilegeEscalation: false
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capabilities:
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drop:
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- ALL
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readOnlyRootFilesystem: true
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runAsUser: 65534
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nodeSelector:
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kubernetes.io/os: linux
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serviceAccountName: kube-state-metrics

‎examples/daemonsetsharding/deployment-service.yaml

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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.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics
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namespace: kube-system
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spec:
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clusterIP: None
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ports:
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- name: http-metrics
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port: 8080
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targetPort: http-metrics
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- name: telemetry
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port: 8081
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targetPort: telemetry
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selector:
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app.kubernetes.io/name: kube-state-metrics

‎examples/daemonsetsharding/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics
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namespace: kube-system
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spec:
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: kube-state-metrics
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template:
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metadata:
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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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spec:
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automountServiceAccountToken: true
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containers:
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- args:
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- --resources=certificatesigningrequests,configmaps,cronjobs,daemonsets,deployments,endpoints,horizontalpodautoscalers,ingresses,jobs,leases,limitranges,mutatingwebhookconfigurations,namespaces,networkpolicies,nodes,persistentvolumeclaims,persistentvolumes,poddisruptionbudgets,replicasets,replicationcontrollers,resourcequotas,secrets,services,statefulsets,storageclasses,validatingwebhookconfigurations,volumeattachments
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image: registry.k8s.io/kube-state-metrics/kube-state-metrics:v2.8.2
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8080
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initialDelaySeconds: 5
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timeoutSeconds: 5
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name: kube-state-metrics
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ports:
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- containerPort: 8080
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name: http-metrics
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- containerPort: 8081
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name: telemetry
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readinessProbe:
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httpGet:
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path: /
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port: 8081
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initialDelaySeconds: 5
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timeoutSeconds: 5
45+
securityContext:
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allowPrivilegeEscalation: false
47+
capabilities:
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drop:
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- ALL
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readOnlyRootFilesystem: true
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runAsUser: 65534
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nodeSelector:
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kubernetes.io/os: linux
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serviceAccountName: kube-state-metrics

‎examples/daemonsetsharding/service-account.yaml

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apiVersion: v1
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automountServiceAccountToken: false
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kind: ServiceAccount
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metadata:
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labels:
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app.kubernetes.io/component: exporter
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app.kubernetes.io/name: kube-state-metrics
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app.kubernetes.io/version: 2.8.2
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name: kube-state-metrics
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namespace: kube-system

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