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kvapskvaps
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Merge branch 'gecube-master' into release-0.11.0
2 parents a766e02 + 2366875 commit 589a010

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‎deploy/helm/kubernetes/manifests/coredns-1.8.yaml‎

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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: coredns
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namespace: kube-system
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---
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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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kubernetes.io/bootstrapping: rbac-defaults
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name: system:coredns
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rules:
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- apiGroups:
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- ""
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resources:
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- endpoints
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- services
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- pods
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- namespaces
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verbs:
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- list
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- watch
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- apiGroups:
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- ""
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resources:
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- nodes
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verbs:
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- get
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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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---
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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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annotations:
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rbac.authorization.kubernetes.io/autoupdate: "true"
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labels:
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kubernetes.io/bootstrapping: rbac-defaults
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name: system:coredns
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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: system:coredns
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subjects:
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- kind: ServiceAccount
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name: coredns
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namespace: kube-system
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: coredns
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namespace: kube-system
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data:
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Corefile: |
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.:53 {
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errors
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health
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ready
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kubernetes cluster.local in-addr.arpa ip6.arpa {
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pods insecure
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fallthrough in-addr.arpa ip6.arpa
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}
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prometheus :9153
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cache 30
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loop
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reload
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loadbalance
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}
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: coredns
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namespace: kube-system
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labels:
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k8s-app: kube-dns
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kubernetes.io/name: "CoreDNS"
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spec:
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replicas: {{ .Values.coredns.replicaCount }}
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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selector:
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matchLabels:
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k8s-app: kube-dns
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template:
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metadata:
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labels:
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k8s-app: kube-dns
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spec:
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priorityClassName: system-cluster-critical
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serviceAccountName: coredns
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tolerations:
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- key: "CriticalAddonsOnly"
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operator: "Exists"
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nodeSelector:
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beta.kubernetes.io/os: linux
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{{- with .Values.coredns.image.pullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 10 }}
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{{- end }}
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containers:
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- name: coredns
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{{- with .Values.coredns.image }}
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image: "{{ .repository }}{{ if .digest }}@{{ .digest }}{{ else }}:{{ .tag }}{{ end }}"
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imagePullPolicy: {{ .pullPolicy }}
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{{- end }}
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resources:
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{{- toYaml .Values.coredns.resources | nindent 10 }}
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args: [ "-conf", "/etc/coredns/Corefile" ]
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volumeMounts:
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- name: config-volume
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mountPath: /etc/coredns
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readOnly: true
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ports:
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- containerPort: 53
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name: dns
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protocol: UDP
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- containerPort: 53
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name: dns-tcp
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protocol: TCP
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- containerPort: 9153
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name: metrics
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protocol: TCP
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securityContext:
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allowPrivilegeEscalation: false
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capabilities:
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add:
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- NET_BIND_SERVICE
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drop:
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- all
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readOnlyRootFilesystem: true
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livenessProbe:
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httpGet:
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path: /health
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 60
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timeoutSeconds: 5
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successThreshold: 1
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failureThreshold: 5
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readinessProbe:
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httpGet:
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path: /ready
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port: 8181
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scheme: HTTP
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dnsPolicy: Default
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volumes:
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- name: config-volume
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configMap:
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name: coredns
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items:
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- key: Corefile
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path: Corefile
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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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name: kube-dns
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namespace: kube-system
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annotations:
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prometheus.io/port: "9153"
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prometheus.io/scrape: "true"
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labels:
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k8s-app: kube-dns
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kubernetes.io/cluster-service: "true"
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kubernetes.io/name: "CoreDNS"
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spec:
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selector:
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k8s-app: kube-dns
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clusterIP: {{ template "getCoreDNS" . }}
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ports:
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- name: dns
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port: 53
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protocol: UDP
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- name: dns-tcp
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port: 53
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protocol: TCP
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- name: metrics
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port: 9153
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protocol: TCP

‎deploy/helm/kubernetes/scripts/configure-cluster.sh‎

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@@ -62,24 +62,23 @@ EOT
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# install konnectivity server
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kubectl apply -f /manifests/konnectivity-server-rbac.yaml
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{{- else }}{{"\n"}}
65-
kubectl delete clusterrolebinding/system:konnectivity-server 2>/dev/null || true
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kubectl delete -f /manifests/konnectivity-server-rbac.yaml 2>/dev/null || true
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{{- end }}
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{{- if .Values.konnectivityAgent.enabled }}{{"\n"}}
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# install konnectivity agent
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kubectl apply -f /manifests/konnectivity-agent-deployment.yaml -f /manifests/konnectivity-agent-rbac.yaml
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{{- else }}{{"\n"}}
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# uninstall konnectivity agent
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kubectl -n kube-system delete deployment/konnectivity-agent serviceaccount/konnectivity-agent 2>/dev/null || true
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kubectl delete -f /manifests/konnectivity-agent-deployment.yaml -f /manifests/konnectivity-agent-rbac.yaml 2>/dev/null || true
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{{- end }}
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{{- if .Values.coredns.enabled }}{{"\n"}}
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# install coredns addon
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# TODO: https://github.com/kvaps/kubernetes-in-kubernetes/issues/3
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kubeadm init phase addon coredns --config /config/kubeadmcfg.yaml
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kubectl apply -f /manifests/coredns.yaml
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{{- else }}{{"\n"}}
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# uninstall coredns addon
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kubectl -n kube-system delete configmap/coredns deployment/coredns 2>/dev/null || true
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kubectl delete -f /manifests/coredns.yaml 2>/dev/null || true
8382
{{- end }}
8483

8584
{{- if .Values.kubeProxy.enabled }}{{"\n"}}

‎deploy/helm/kubernetes/templates/_helpers.tpl‎

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@@ -61,3 +61,16 @@ Generate etcd servers list.
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Take the first IP address from the serviceClusterIPRange for the kube-dns service.
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*/}}
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{{- define "getCoreDNS" -}}
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{{- $octetsList := splitList "." .Values.apiServer.serviceClusterIPRange -}}
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{{- printf "%d.%d.%d.%d" (index $octetsList 0 | int) (index $octetsList 1 | int) (index $octetsList 2 | int) 10 -}}
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{{- end -}}
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{{- define "getAPIAddress" -}}
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{{- $octetsList := splitList "." .Values.apiServer.serviceClusterIPRange -}}
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{{- printf "%d.%d.%d.%d" (index $octetsList 0 | int) (index $octetsList 1 | int) (index $octetsList 2 | int) 1 -}}
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{{- end -}}

‎deploy/helm/kubernetes/templates/kubeadm-job.yaml‎

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@@ -70,7 +70,7 @@ spec:
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name: pki-admin-client
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- mountPath: /scripts
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name: scripts
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{{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
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{{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled .Values.coredns.enabled }}
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- mountPath: /manifests
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name: manifests
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{{- end }}
@@ -93,7 +93,7 @@ spec:
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configMap:
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name: "{{ $fullName }}-kubeadm-scripts"
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defaultMode: 0777
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{{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled }}
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{{- if or .Values.extraManifests .Values.konnectivityServer.enabled .Values.konnectivityAgent.enabled .Values.coredns.enabled }}
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- name: manifests
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projected:
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sources:
@@ -105,6 +105,10 @@ spec:
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- configMap:
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name: "{{ $fullName }}-konnectivity-manifests"
107107
{{- end }}
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{{- if .Values.coredns.enabled }}
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- configMap:
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name: "{{ $fullName }}-coredns-manifests"
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{{- end }}
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{{- end }}
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- name: config
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configMap:

‎deploy/helm/kubernetes/templates/kubedns-manifests.yaml‎

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{{- if .Values.coredns.enabled }}
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{{- $fullName := include "kubernetes.fullname" . -}}
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: {{ $fullName }}-coredns-manifests
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data:
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{{- if .Values.coredns.enabled }}
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coredns.yaml: |
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{{- tpl (.Files.Get "manifests/coredns-1.8.yaml") . | nindent 4 }}
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{{- end }}
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{{- end }}

‎deploy/helm/kubernetes/templates/kubernetes-certs.yaml‎

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8080
{{- end }}
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ipAddresses:
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- "127.0.0.1"
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- "10.96.0.1"
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- "{{- template "getAPIAddress" . }}"
8484
{{- with .Values.apiServer.service.loadBalancerIP }}
8585
{{- if not (has . $.Values.apiServer.certSANs.ipAddresses) }}
8686
- {{ . | quote }}
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122122
{{- end }}
123123
ipAddresses:
124124
- "127.0.0.1"
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- "10.96.0.1"
125+
- "{{- template "getAPIAddress" . }}"
126126
{{- with .Values.apiServer.service.loadBalancerIP }}
127127
{{- if not (has . $.Values.apiServer.certSANs.ipAddresses) }}
128128
- {{ . | quote }}
@@ -164,7 +164,7 @@ spec:
164164
{{- end }}
165165
ipAddresses:
166166
- "127.0.0.1"
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- "10.96.0.1"
167+
- "{{- template "getAPIAddress" . }}"
168168
{{- with .Values.apiServer.service.loadBalancerIP }}
169169
{{- if not (has . $.Values.apiServer.certSANs.ipAddresses) }}
170170
- {{ . | quote }}

‎deploy/helm/kubernetes/values.yaml‎

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coredns:
274274
enabled: true
275+
image:
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repository: coredns/coredns
277+
tag: 1.8.3
278+
pullPolicy: IfNotPresent
279+
pullSecrets: []
280+
replicaCount: 2
281+
resources:
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limits:
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memory: 170Mi
284+
requests:
285+
cpu: 100m
286+
memory: 70Mi
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276288
konnectivityServer:
277289
enabled: false

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