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[Feature] ArangoClusterSynchronization controller (TG-190) (#876)
* [Feature] ArangoClusterSynchronization controller (TG-190) * helm chart * Fix model
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‎CHANGELOG.md‎

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- Add ArangoJob and Apps Operator
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- Use Go 1.17
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- Add metrics for the plan actions
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- Add ArangoClusterSynchronization Operator
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## [1.2.6](https://github.com/arangodb/kube-arangodb/tree/1.2.6) (2021-12-15)
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- Add ArangoBackup backoff functionality

‎Makefile‎

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@@ -98,6 +98,7 @@ MANIFESTPATHDEPLOYMENT := manifests/arango-deployment$(MANIFESTSUFFIX).yaml
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MANIFESTPATHDEPLOYMENTREPLICATION := manifests/arango-deployment-replication$(MANIFESTSUFFIX).yaml
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MANIFESTPATHBACKUP := manifests/arango-backup$(MANIFESTSUFFIX).yaml
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MANIFESTPATHAPPS := manifests/arango-apps$(MANIFESTSUFFIX).yaml
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MANIFESTPATHK2KCLUSTERSYNC := manifests/arango-k2kclustersync$(MANIFESTSUFFIX).yaml
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MANIFESTPATHSTORAGE := manifests/arango-storage$(MANIFESTSUFFIX).yaml
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MANIFESTPATHALL := manifests/arango-all$(MANIFESTSUFFIX).yaml
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MANIFESTPATHTEST := manifests/arango-test$(MANIFESTSUFFIX).yaml
@@ -106,6 +107,7 @@ KUSTOMIZEPATHDEPLOYMENT := manifests/kustomize/deployment/arango-deployment$(MAN
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KUSTOMIZEPATHDEPLOYMENTREPLICATION := manifests/kustomize/deployment-replication/arango-deployment-replication$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHBACKUP := manifests/kustomize/backup/arango-backup$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHAPPS := manifests/kustomize/apps/arango-apps$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHK2KCLUSTERSYNC := manifests/kustomize/apps/arango-k2kclustersync$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHSTORAGE := manifests/kustomize/storage/arango-storage$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHALL := manifests/kustomize/all/arango-all$(MANIFESTSUFFIX).yaml
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KUSTOMIZEPATHTEST := manifests/kustomize/test/arango-test$(MANIFESTSUFFIX).yaml
@@ -333,41 +335,55 @@ $(eval $(call manifest-generator, deployment, kube-arangodb, \
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--set "operator.features.deploymentReplications=false" \
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--set "operator.features.storage=false" \
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--set "operator.features.apps=false" \
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--set "operator.features.k8sToK8sClusterSync=false" \
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--set "operator.features.backup=false"))
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$(eval $(call manifest-generator, deployment-replication, kube-arangodb, \
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--set "operator.features.deployment=false" \
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--set "operator.features.deploymentReplications=true" \
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--set "operator.features.storage=false" \
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--set "operator.features.apps=false" \
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--set "operator.features.k8sToK8sClusterSync=false" \
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--set "operator.features.backup=false"))
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$(eval $(call manifest-generator, storage, kube-arangodb, \
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--set "operator.features.deployment=false" \
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--set "operator.features.deploymentReplications=false" \
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--set "operator.features.storage=true" \
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--set "operator.features.apps=false" \
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--set "operator.features.k8sToK8sClusterSync=false" \
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--set "operator.features.backup=false"))
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$(eval $(call manifest-generator, backup, kube-arangodb, \
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--set "operator.features.deployment=false" \
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--set "operator.features.deploymentReplications=false" \
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--set "operator.features.storage=false" \
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--set "operator.features.apps=false" \
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--set "operator.features.k8sToK8sClusterSync=false" \
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--set "operator.features.backup=true"))
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$(eval $(call manifest-generator, apps, kube-arangodb, \
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--set "operator.features.deployment=false" \
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--set "operator.features.deploymentReplications=false" \
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--set "operator.features.storage=false" \
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--set "operator.features.apps=true" \
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--set "operator.features.k8sToK8sClusterSync=false" \
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--set "operator.features.backup=false"))
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$(eval $(call manifest-generator, k2kclustersync, kube-arangodb, \
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--set "operator.features.deployment=false" \
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--set "operator.features.deploymentReplications=false" \
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--set "operator.features.storage=false" \
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--set "operator.features.apps=false" \
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--set "operator.features.k8sToK8sClusterSync=true" \
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--set "operator.features.backup=false"))
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$(eval $(call manifest-generator, all, kube-arangodb, \
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--set "operator.features.deployment=true" \
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--set "operator.features.deploymentReplications=true" \
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--set "operator.features.storage=true" \
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--set "operator.features.apps=true" \
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--set "operator.features.k8sToK8sClusterSync=true" \
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--set "operator.features.backup=true"))
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.PHONY: chart-crd

‎chart/kube-arangodb-crd/templates/k2kclustersync.yaml‎

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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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name: arangoclustersynchronizations.database.arangodb.com
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labels:
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app.kubernetes.io/name: {{ template "kube-arangodb-crd.name" . }}
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helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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release: {{ .Release.Name }}
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spec:
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group: database.arangodb.com
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names:
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kind: ArangoClusterSynchronization
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listKind: ArangoClusterSynchronizationList
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plural: arangoclustersynchronizations
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singular: arangoclustersynchronization
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shortNames:
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- arangoclustersync
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scope: Namespaced
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versions:
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- name: v1
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schema:
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openAPIV3Schema:
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type: object
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x-kubernetes-preserve-unknown-fields: true
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served: true
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storage: true
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subresources:
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status: {}
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- name: v2alpha1
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schema:
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openAPIV3Schema:
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type: object
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x-kubernetes-preserve-unknown-fields: true
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served: true
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storage: false
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subresources:
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status: {}

‎chart/kube-arangodb/README.md‎

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@@ -24,26 +24,20 @@ Possible Operators:
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- `ArangoDeployment` - enabled by default
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- `ArangoDeploymentReplications` - enabled by default
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- `ArangoLocalStorage` - disabled by default
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- `ArangoBackup` - disabled by default
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- `ArangoJob` - disabled by default
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- `ArangoClusterSynchronization` - disabled by default
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To install Operators in mode "One per Helm Release" we can use:
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```
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helm install --name arango-deployment kube-arangodb.tar.gz \
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--set operator.features.deployment=true \
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--set operator.features.deploymentReplications=false \
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--set operator.features.storage=false
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helm install --name arango-deployment-replications kube-arangodb.tar.gz \
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--set operator.features.deployment=false \
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--set operator.features.deploymentReplications=true \
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--set operator.features.storage=false
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helm install --name arango-storage kube-arangodb.tar.gz \
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--set operator.features.deployment=false \
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--set operator.features.deploymentReplications=false \
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--set operator.features.storage=true
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--set operator.features.storage=false \
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--set operator.features.backup=false \
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--set operator.features.apps=false \
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--set operator.features.k8sToK8sClusterSync=false
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```
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Default: `false`
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### `operator.features.apps`
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Define if ArangoJob Operator should be enabled.
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Default: `false`
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### `operator.features.k8sToK8sClusterSync`
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Define if ArangoClusterSynchronization Operator should be enabled.
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Default: `false`
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### `rbac.enabled`
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Define if RBAC should be enabled.

‎chart/kube-arangodb/templates/deployment.yaml‎

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{{- end }}
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{{ if .Values.operator.features.apps }}
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- --operator.apps
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{{- end }}
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{{ if .Values.operator.features.k8sToK8sClusterSync }}
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- --operator.k2k-cluster-sync
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{{- end }}
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- --chaos.allowed={{ .Values.operator.allowChaos }}
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{{- if .Values.operator.args }}

‎chart/kube-arangodb/templates/k2k-cluster-sync-operator/cluster-role-binding.yaml‎

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{{ if .Values.rbac.enabled -}}
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{{ if not (eq .Values.operator.scope "namespaced") -}}
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{{ if .Values.operator.features.k8sToK8sClusterSync -}}
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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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name: {{ template "kube-arangodb.rbac-cluster" . }}-k2kclustersync
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labels:
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app.kubernetes.io/name: {{ template "kube-arangodb.name" . }}
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helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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release: {{ .Release.Name }}
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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: {{ template "kube-arangodb.rbac-cluster" . }}-k2kclustersync
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subjects:
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- kind: ServiceAccount
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name: {{ template "kube-arangodb.operatorName" . }}
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namespace: {{ .Release.Namespace }}
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{{- end }}
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{{- end }}
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{{- end }}

‎chart/kube-arangodb/templates/k2k-cluster-sync-operator/cluster-role.yaml‎

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{{ if .Values.rbac.enabled -}}
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{{ if not (eq .Values.operator.scope "namespaced") -}}
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{{ if .Values.operator.features.k8sToK8sClusterSync -}}
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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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name: {{ template "kube-arangodb.rbac-cluster" . }}-k2kclustersync
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labels:
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app.kubernetes.io/name: {{ template "kube-arangodb.name" . }}
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helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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release: {{ .Release.Name }}
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rules:
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- apiGroups: ["apiextensions.k8s.io"]
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resources: ["customresourcedefinitions"]
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verbs: ["get", "list", "watch"]
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{{- end }}
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{{- end }}
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{{- end }}

‎chart/kube-arangodb/templates/k2k-cluster-sync-operator/role-binding.yaml‎

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{{ if .Values.rbac.enabled -}}
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{{ if .Values.operator.features.k8sToK8sClusterSync -}}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: RoleBinding
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metadata:
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name: {{ template "kube-arangodb.rbac" . }}-k2kclustersync
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namespace: {{ .Release.Namespace }}
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labels:
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app.kubernetes.io/name: {{ template "kube-arangodb.name" . }}
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helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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release: {{ .Release.Name }}
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: {{ template "kube-arangodb.rbac" . }}-k2kclustersync
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subjects:
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- kind: ServiceAccount
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name: {{ template "kube-arangodb.operatorName" . }}
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namespace: {{ .Release.Namespace }}
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{{- end }}
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{{- end }}

‎chart/kube-arangodb/templates/k2k-cluster-sync-operator/role.yaml‎

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{{ if .Values.rbac.enabled -}}
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{{ if .Values.operator.features.k8sToK8sClusterSync -}}
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apiVersion: rbac.authorization.k8s.io/v1
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kind: Role
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metadata:
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name: {{ template "kube-arangodb.rbac" . }}-k2kclustersync
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namespace: {{ .Release.Namespace }}
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labels:
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app.kubernetes.io/name: {{ template "kube-arangodb.name" . }}
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helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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release: {{ .Release.Name }}
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rules:
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- apiGroups: [""]
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resources: ["pods", "services", "endpoints"]
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verbs: ["get", "update"]
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- apiGroups: [""]
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resources: ["events"]
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verbs: ["*"]
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- apiGroups: [""]
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resources: ["secrets"]
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verbs: ["get"]
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- apiGroups: ["apps"]
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resources: ["deployments", "replicasets"]
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verbs: ["get"]
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- apiGroups: ["database.arangodb.com"]
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resources: ["arangodeployments", "arangoclustersynchronizations"]
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verbs: ["get", "list", "watch"]
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{{- end }}
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{{- end }}

‎chart/kube-arangodb/values.yaml‎

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storage: false
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backup: false
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apps: false
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k8sToK8sClusterSync: false
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images:
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base: alpine:3.11

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