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WIP Ingress-gce helm chart #852
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4 changes: 4 additions & 0 deletions
4
charts/internal/seed-controlplane/charts/ingress-gce/Chart.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| apiVersion: v1 | ||
| description: Helm chart for ingress-gce | ||
| name: ingress-gce | ||
| version: 0.1.0 |
111 changes: 111 additions & 0 deletions
111
charts/internal/seed-controlplane/charts/ingress-gce/templates/deployment.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: ingress-gce | ||
| namespace: {{ .Release.Namespace }} | ||
| annotations: | ||
| scheduler.alpha.kubernetes.io/critical-pod: '' | ||
| labels: | ||
| app: kubernetes | ||
| role: glbc | ||
| spec: | ||
| revisionHistoryLimit: 0 | ||
| replicas: {{ .Values.replicas }} | ||
| selector: | ||
| matchLabels: | ||
| app: kubernetes | ||
| role: glbc | ||
| template: | ||
| metadata: | ||
| {{- if .Values.podAnnotations }} | ||
| annotations: | ||
| {{ toYaml .Values.podAnnotations | indent 8 }} | ||
| {{- end }} | ||
| labels: | ||
| app: kubernetes | ||
| role: glbc | ||
| gardener.cloud/role: controlplane | ||
| networking.gardener.cloud/to-dns: allowed | ||
| networking.gardener.cloud/to-public-networks: allowed | ||
| networking.resources.gardener.cloud/to-kube-apiserver-tcp-443: allowed | ||
| {{- if .Values.podLabels }} | ||
| {{ toYaml .Values.podLabels | indent 8 }} | ||
| {{- end }} | ||
| spec: | ||
| automountServiceAccountToken: false | ||
| serviceAccountName: glbc | ||
| containers: | ||
| - name: glbc | ||
| image: {{ index .Values.images "ingress-gce" }} | ||
| command: | ||
| - /glbc | ||
| - --config-file-path=/etc/kubernetes/cloudprovider/cloudprovider.conf | ||
| - --healthz-port=8086 | ||
| - --logtostderr | ||
| - --sync-period=600s | ||
| - --default-backend-service=kube-system/default-http-backend | ||
| - --running-in-cluster=false | ||
| - --run-l4-netlb-controller=true | ||
| - --enable-l4ilb-dual-stack=true | ||
| - --enable-l4netlb-dual-stack=true | ||
| # services of Type:LoadBalancer with Internal annotation `cloud.google.com/l4-rbs: enabled` | ||
| # will be processed by this controller | ||
| - --run-l4-controller=true | ||
| - --kubeconfig=/var/run/secrets/gardener.cloud/shoot/generic-kubeconfig/kubeconfig | ||
| - --leader-elect=true | ||
| - --v=2 | ||
| env: | ||
| - name: GOOGLE_APPLICATION_CREDENTIALS | ||
| value: /srv/cloudprovider/serviceaccount.json | ||
| livenessProbe: | ||
| httpGet: | ||
| path: /healthz | ||
| port: 8086 | ||
| scheme: HTTP | ||
| initialDelaySeconds: 30 | ||
| # healthz reaches out to GCE | ||
| periodSeconds: 30 | ||
| timeoutSeconds: 15 | ||
| successThreshold: 1 | ||
| failureThreshold: 5 | ||
| terminationMessagePath: /dev/termination-log | ||
| terminationMessagePolicy: File | ||
| {{- with .Values.resources }} | ||
| resources: | ||
| {{ toYaml . | indent 12 }} | ||
| {{- end }} | ||
| volumeMounts: | ||
| - name: cloud-provider-config | ||
| mountPath: /etc/kubernetes/cloudprovider | ||
| - name: cloudprovider | ||
| mountPath: /srv/cloudprovider | ||
| - name: kubeconfig | ||
| mountPath: /var/run/secrets/gardener.cloud/shoot/generic-kubeconfig | ||
| readOnly: true | ||
| dnsPolicy: ClusterFirst | ||
| restartPolicy: Always | ||
| schedulerName: default-scheduler | ||
| terminationGracePeriodSeconds: 30 | ||
| volumes: | ||
| - name: cloud-provider-config | ||
| configMap: | ||
| name: cloud-provider-config | ||
| - name: cloudprovider | ||
| secret: | ||
| secretName: cloudprovider | ||
| - name: kubeconfig | ||
| projected: | ||
| defaultMode: 420 | ||
| sources: | ||
| - secret: | ||
| items: | ||
| - key: kubeconfig | ||
| path: kubeconfig | ||
| name: {{ .Values.global.genericTokenKubeconfigSecretName }} | ||
| optional: false | ||
| - secret: | ||
| items: | ||
| - key: token | ||
| path: token | ||
| name: shoot-access-cloud-controller-manager | ||
| optional: false |
5 changes: 5 additions & 0 deletions
5
charts/internal/seed-controlplane/charts/ingress-gce/templates/service-account.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: glbc | ||
| namespace: {{ .Release.Namespace }} |
21 changes: 21 additions & 0 deletions
21
charts/internal/seed-controlplane/charts/ingress-gce/templates/vpa.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| apiVersion: autoscaling.k8s.io/v1 | ||
| kind: VerticalPodAutoscaler | ||
| metadata: | ||
| name: ingress-gce | ||
| namespace: {{ .Release.Namespace }} | ||
| spec: | ||
| targetRef: | ||
| apiVersion: {{ include "deploymentversion" . }} | ||
| kind: Deployment | ||
| name: ingress-gce | ||
| updatePolicy: | ||
| updateMode: Auto | ||
| resourcePolicy: | ||
| containerPolicies: | ||
| - containerName: glbc | ||
| minAllowed: | ||
| memory: {{ .Values.resources.requests.memory }} | ||
| maxAllowed: | ||
| cpu: {{ .Values.vpa.resourcePolicy.maxAllowed.cpu }} | ||
| memory: {{ .Values.vpa.resourcePolicy.maxAllowed.memory }} | ||
| controlledValues: RequestsOnly |
18 changes: 18 additions & 0 deletions
18
charts/internal/seed-controlplane/charts/ingress-gce/values.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| replicas: 1 | ||
|
|
||
| images: | ||
| ingress-gce: image-repository:image-tag | ||
|
|
||
| resources: | ||
| requests: | ||
| cpu: 100m | ||
| memory: 75Mi | ||
|
|
||
| vpa: | ||
| resourcePolicy: | ||
| maxAllowed: | ||
| cpu: 1 | ||
| memory: 2G | ||
|
|
||
| podAnnotations: {} | ||
| podLabels: {} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -5,3 +5,5 @@ cloud-controller-manager: | |
| enabled: true | ||
| csi-driver-controller: | ||
| enabled: true | ||
| ingress-gce: | ||
| enabled: true | ||
4 changes: 4 additions & 0 deletions
4
charts/internal/shoot-system-components/charts/default-http-backend/Chart.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| apiVersion: v1 | ||
| description: Helm chart for default-http-backend | ||
| name: default-http-backend | ||
| version: 0.1.0 |
64 changes: 64 additions & 0 deletions
64
...l/shoot-system-components/charts/default-http-backend/templates/default-http-backend.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| apiVersion: apps/v1 | ||
| kind: Deployment | ||
| metadata: | ||
| name: l7-default-backend | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| k8s-app: glbc | ||
| kubernetes.io/name: "GLBC" | ||
| app: kubernetes | ||
| role: ingress-gce | ||
| spec: | ||
| replicas: 1 | ||
| selector: | ||
| matchLabels: | ||
| k8s-app: glbc | ||
| template: | ||
| metadata: | ||
| labels: | ||
| k8s-app: glbc | ||
| name: glbc | ||
| spec: | ||
| containers: | ||
| - name: default-http-backend | ||
| # Any image is permissible as long as: | ||
| # 1. It serves a 404 page at / | ||
| # 2. It serves 200 on a /healthz endpoint | ||
| image: {{ index .Values.images "default-http-backend" }} | ||
| livenessProbe: | ||
| httpGet: | ||
| path: /healthy | ||
| port: 8080 | ||
| scheme: HTTP | ||
| initialDelaySeconds: 30 | ||
| timeoutSeconds: 5 | ||
| ports: | ||
| - containerPort: 8080 | ||
| resources: | ||
| limits: | ||
| cpu: 10m | ||
| memory: 20Mi | ||
| requests: | ||
| cpu: 10m | ||
| memory: 20Mi | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| # This must match the --default-backend-service argument of the l7 lb | ||
| # controller and is required because GCE mandates a default backend. | ||
| name: default-http-backend | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| k8s-app: glbc | ||
| kubernetes.io/name: "GLBCDefaultBackend" | ||
| spec: | ||
| # The default backend must be of type NodePort. | ||
| type: NodePort | ||
| ports: | ||
| - port: 80 | ||
| targetPort: 8080 | ||
| protocol: TCP | ||
| name: http | ||
| selector: | ||
| k8s-app: glbc |
86 changes: 86 additions & 0 deletions
86
charts/internal/shoot-system-components/charts/default-http-backend/templates/rbac.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: glbc | ||
| namespace: {{ .Release.Namespace }} | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: Role | ||
| metadata: | ||
| name: system:controller:glbc | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| addonmanager.kubernetes.io/mode: Reconcile | ||
| rules: | ||
| - apiGroups: [""] | ||
| resources: ["configmaps"] | ||
| verbs: ["get", "list", "watch", "update", "create", "patch"] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: RoleBinding | ||
| metadata: | ||
| name: system:controller:glbc | ||
| namespace: {{ .Release.Namespace }} | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: Role | ||
| name: system:controller:glbc | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: glbc | ||
| namespace: {{ .Release.Namespace }} | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRole | ||
| metadata: | ||
| name: system:controller:glbc | ||
| rules: | ||
| - apiGroups: [""] | ||
| resources: ["secrets"] | ||
| verbs: ["get"] | ||
| - apiGroups: [""] | ||
| resources: ["events"] | ||
| verbs: ["get", "list", "watch", "update", "create", "patch"] | ||
| - apiGroups: [""] | ||
| resources: ["endpoints", "services", "pods", "nodes", "namespaces"] | ||
| verbs: ["get", "list", "watch"] | ||
| # TODO: switch to patch services/status | ||
| # https://github.com/kubernetes/ingress-gce/blob/4918eb2f0f484f09ac9e5a975907a9b16ed2b344/pkg/neg/controller.go#L339-L342 | ||
| # https://github.com/kubernetes/ingress-gce/blob/4918eb2f0f484f09ac9e5a975907a9b16ed2b344/pkg/neg/controller.go#L359-L361 | ||
| - apiGroups: [""] | ||
| resources: ["services", "pods"] | ||
| verbs: ["update", "patch"] | ||
| - apiGroups: ["networking.istio.io"] | ||
| resources: ["destinationrules"] | ||
| verbs: ["get", "list", "watch", "update", "patch"] | ||
| - apiGroups: ["extensions", "networking.k8s.io"] | ||
| resources: ["ingresses"] | ||
| verbs: ["get", "list", "watch"] | ||
| - apiGroups: ["extensions", "networking.k8s.io"] | ||
| resources: ["ingresses"] | ||
| verbs: ["update"] | ||
| - apiGroups: ["extensions", "networking.k8s.io"] | ||
| resources: ["ingresses/status"] | ||
| verbs: ["update"] | ||
| # GLBC ensures that the `cloud.google.com/backendconfigs` CRD exists in a desired state: | ||
| # https://github.com/kubernetes/ingress-gce/blob/4918eb2f0f484f09ac9e5a975907a9b16ed2b344/cmd/glbc/main.go#L93 | ||
| # TODO(rramkumar1): https://github.com/kubernetes/ingress-gce/issues/744 | ||
| - apiGroups: ["apiextensions.k8s.io"] | ||
| resources: ["customresourcedefinitions"] | ||
| verbs: ["get", "list", "watch", "update", "create", "patch"] | ||
| - apiGroups: ["cloud.google.com"] | ||
| resources: ["backendconfigs"] | ||
| verbs: ["get", "list", "watch", "update", "create", "patch"] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: ClusterRoleBinding | ||
| metadata: | ||
| name: system:controller:glbc | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: ClusterRole | ||
| name: system:controller:glbc | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: glbc | ||
| namespace: {{ .Release.Namespace }} |
7 changes: 7 additions & 0 deletions
7
charts/internal/shoot-system-components/charts/default-http-backend/values.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| replicas: 1 | ||
|
|
||
| images: | ||
| default-http-backend: image-repository:image-tag | ||
|
|
||
| podAnnotations: {} | ||
| podLabels: {} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -2,3 +2,5 @@ cloud-controller-manager: | |
| enabled: true | ||
| csi-driver-node: | ||
| enabled: true | ||
| default-http-backend: | ||
| enabled: true | ||
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From what I saw during testing/playing around with this controller, I'd rather not have it enabled by default. In my opinion that should be an option, unless there are cases where it needs to be deployed.