O Kubernetes Operator suporta armazenamento de instantâneos do sistema de arquivos.
Pré-requisitos
To configure file system snapshot storage, your Kubernetes Operator deployment must have a storage class configured with the ReadWriteMany method.
Procedimento
Para configurar o armazenamento de instantâneo do sistema de arquivos:
Crie um objeto PersistentVolumeClaim.
Create a PersistentVolumeClaim object, and allocate storage as needed. Set accessModes to ReadWriteMany:
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: snapshot-store-ops-manager spec: storageClassName: managed-nfs-storage #SC that supports(RWX) accessModes: - ReadWriteMany resources: requests: storage: 10G ...
Crie e aplique uma definição de recurso personalizado do Ops Manager especificando seu PersistentVolumeClaim.
Create an Ops Manager CustomResourceDefinition that specifies your PersistentVolumeClaim object and the spec.backup.fileSystemStores field, which is the name of your file system snapshot store.
The following example creates a CustomResourceDefinition file named ops-manager-fs.yaml, for the MongoDB oplog store with a kube-user.
apiVersion: mongodb.com/v1 kind: MongoDBOpsManager metadata: name: ops-manager spec: replicas: 1 version: 8.0.0 adminCredentials: ops-manager-admin-secret statefulSet: spec: template: spec: volumes: - name: snapshot-store persistentVolumeClaim: claimName: snapshot-store-ops-manager containers: - name: mongodb-ops-manager volumeMounts: - name: snapshot-store mountPath: /snapshot_store backup: enabled: true fileSystemStores: - name: filesystem1 assignmentLabels: ["test1", "test2"] opLogStores: assignmentLabels: ["test1", "test2"] - name: oplog1 mongodbResourceRef: name: oplog-db # mongodbUserRef: # name: kube-user statefulSet: spec: template: spec: volumes: - name: snapshot-store persistentVolumeClaim: claimName: snapshot-store-ops-manager containers: - name: mongodb-backup-daemon volumeMounts: - name: snapshot-store mountPath: /snapshot_store applicationDatabase: members: 3 version: 8.0.0
Configure seu armazenamento de oplog.
Aguarde até que seu objeto do Ops Manager relate seu estado como Running e, em seguida, configure seu armazenamento de oplog conforme descrito na etapa Configurar configurações de backup do procedimento Implantar um recurso do Ops Manager .
Crie um armazenamento de snapshots no Ops Manager.
Faça login na instância do Ops Manager e navegue até: Admin Backup Snapshot Store Create New File System Store.
Set the name to the value you set for backup.fileSystemStores in your CustomResourceDefinition. Set the other values as appropriate, then click Create.
Seu objeto do Ops Manager relatará um estado BACKUP de Pending depois que você criar o novo armazenamento do sistema de arquivos.