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Atlas Kubernetes Operator

Custom Resources

`AtlasBackupSchedule` Custom Resource

The AtlasBackupSchedule custom resource configures a backup schedule that you can apply to your AtlasDeployment Custom Resource. When you create the AtlasBackupSchedule custom resource, Atlas Kubernetes Operator tries to create or update a backup schedule.

Important

Custom Resources No Longer Delete Objects by Default

Atlas Kubernetes Operator uses custom resource configuration files to manage your Atlas configuration, but as of Atlas Kubernetes Operator 2.0, custom resources you delete in Kubernetes are no longer (by default) deleted in Atlas. Instead, Atlas Kubernetes Operator simply stops managing those resources in Atlas. For example, if you delete an AtlasProject Custom Resource in Kubernetes, by default the Atlas Kubernetes Operator no longer automatically deletes the corresponding project from Atlas. This change in behavior is intended to help prevent accidental or unexpected deletions. To learn more, including how to revert this behavior to the default used prior to Atlas Kubernetes Operator 2.0, see New Default: Deletion Protection in Atlas Kubernetes Operator 2.0.
Similarly, Atlas Kubernetes Operator does not delete teams from Atlas if you remove them from an Atlas project in Kubernetes with the Atlas Kubernetes Operator.

Explicitly define your desired configuration details in order to avoid implicitly using default Atlas configuration values. In some cases, inheriting Atlas defaults may result in a reconciliation loop which can prevent your custom resource from achieving a READY state. For example, explicitly defining your desired autoscaling behavior in your AtlasDeployment custom resource, as shown in the included example, ensures that a static instance size in your custom resource is not being repeatedly applied to an Atlas deployment which has autoscaling enabled.

autoScaling:
  diskGB:
    enabled: true
  compute:
    enabled: true
    scaleDownEnabled: true
    minInstanceSize: M30
    maxInstanceSize: M40

Atlas Kubernetes Operator does one of the following actions using the Atlas Cloud Backup Schedule API Resource:

Creates a new backup schedule.
Updates an existing backup schedule.

If you remove the AtlasBackupSchedule resource from your Kubernetes cluster, Atlas stops creating backups for your cluster.

Note

You must do all of the following to back up a cluster:

Create a backup policy
Create a backup schedule and set the spec.policy.name field to the name of the configured backup policy.
Set the spec.backupRef.name field in the AtlasDeployment Custom Resource to the name of the configured backup schedule.

To learn more, see Back Up Your Atlas Cluster.

You can specify one backup schedule per cluster, but you can use the same backup schedule for multiple clusters.

Example

The following example shows an AtlasBackupSchedule custom resource configured to take snapshots at 10:10 UTC and restore up to two days:

apiVersion: atlas.mongodb.com/v1
kind: AtlasBackupSchedule
metadata:
  name: atlas-default-backupschedule
spec:
  autoExportEnabled: true
  copySettings:
  - cloudProvider: AWS
    frequencies:
    - HOURLY
    regionName: US_EAST_1
    shouldCopyOplogs: true
  referenceHourOfDay: 10
  referenceMinuteOfHour: 10
  restoreWindowDays: 2
  policy:
    name: atlas-default-backuppolicy
    namespace: mongodb-atlas-system

Parameters

This section describes some of the key AtlasBackupSchedule custom resource parameters available. For a full list of parameters available, see the Atlas Modify Cloud Backup Backup Policy API. Refer to these descriptions, the available examples, and the API documentation to customize your specifications.

spec.autoExportEnabled

Type: boolean

Optional

Flag that specifies whether Atlas automatically exports cloud backup snapshots to your AWS backup. Specify true to enable automatic export of cloud backup snapshots to the AWS bucket. Specify false to disable automatic export.

spec.copySetting

Type: array

Required

List that contains a document for each copy setting item in the desired backup policy. Each copy setting item defines a snapshot distribution policy.

spec.export

Type: object

Optional

Policy for automatically exporting cloud backup snapshots.

spec.export.exportBucketId

Type: string

Optional

Unique 24-hexadecimal character string that identifies the AWS bucket.

spec.export.frequencyType

Type: string

Optional

Human-readable label that indicates the rate at which the export policy item occurs.

spec.referenceHourOfDay

Type: number

Optional

Number that indicates the UTC hour of day between 0 and 23, inclusive, representing the hour of the day that Atlas takes snapshots for backup policy items.

spec.referenceMinuteOfHour

Type: number

Optional

Number that indicates the minutes after spec.referenceHourOfDay that Atlas takes snapshots for backup policy items. Value must be between 0 59 inclusive.

spec.restoreWindowDays

Type: number

Optional

Number that indicates the days back in time that you can restore to with continuous cloud backup accuracy. Value must be a positive, non-zero integer.

This setting applies to continuous cloud backups only.

spec.policy

Type: array

Required

List that contains the details for the backup policy to apply.

spec.policy.name

Type: string

Required

metadata.name value within thhe AtlasBackupPolicy Custom Resource for the backup policy that you want to apply. You can specify only one backup policy per backup schedule. You can't use the same backup policy in multiple backup schedules.

spec.policy.namespace

Type: string

Required

String that indicates the namespace that contains the AtlasBackupPolicy Custom Resource for the backup policy that you want to apply.

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