dellemc.powerflex.snapshot module – Manage Snapshots on Dell PowerFlex

Note

This module is part of the dellemc.powerflex collection (version 2.5.0).

You might already have this collection installed if you are using the ansible package. It is not included in ansible-core. To check whether it is installed, run ansible-galaxy collection list.

To install it, use: ansible-galaxy collection install dellemc.powerflex. You need further requirements to be able to use this module, see Requirements for details.

To use it in a playbook, specify: dellemc.powerflex.snapshot.

New in dellemc.powerflex 1.0.0

Synopsis

• Managing snapshots on PowerFlex Storage System includes creating, getting details, mapping/unmapping to/from SDC, modifying the attributes and deleting snapshot.

Requirements

The below requirements are needed on the host that executes this module.

• A Dell PowerFlex storage system version 3.6 or later.

• PyPowerFlex 1.12.0.

Parameters

Parameter	Comments
allow_multiple_mappings boolean	Specifies whether to allow multiple mappings or not. Choices: false true
cap_unit string	The unit of the volume size. It defaults to GB, if not specified. Choices: "GB" "TB"
desired_retention integer	The retention value for the Snapshot. If the desired_retention is not mentioned during creation, snapshot will be created with unlimited retention. Maximum supported desired retention is 31 days.
hostname aliases: gateway_host string / required	IP or FQDN of the PowerFlex host.
password string / required	The password of the PowerFlex host.
port integer	Port number through which communication happens with PowerFlex host. Default: 443
read_only boolean	Specifies whether mapping of the created snapshot volume will have read-write access or limited to read-only access. If true, snapshot is created with read-only access. If false, snapshot is created with read-write access. Choices: false true
remove_mode string	Removal mode for the snapshot. It defaults to ONLY_ME, if not specified. Choices: "ONLY_ME" "INCLUDING_DESCENDANTS"
retention_unit string	The unit for retention. It defaults to hours, if not specified. Choices: "hours" "days"
sdc list / elements=dictionary	Specifies SDC parameters.
access_mode string	Define the access mode for all mappings of the snapshot. Choices: "READ_WRITE" "READ_ONLY" "NO_ACCESS"
bandwidth_limit integer	Limit of snapshot network bandwidth. Need to mention in multiple of 1024 Kbps. To set no limit, 0 is to be passed.
iops_limit integer	Limit of snapshot IOPS. Minimum IOPS limit is 11 and specify 0 for unlimited iops.
sdc_id string	ID of the SDC. Specify either sdc_name, sdc_id or sdc_ip. Mutually exclusive with sdc_name and sdc_ip.
sdc_ip string	IP of the SDC. Specify either sdc_name, sdc_id or sdc_ip. Mutually exclusive with sdc_id and sdc_ip.
sdc_name string	Name of the SDC. Specify either sdc_name, sdc_id or sdc_ip. Mutually exclusive with sdc_id and sdc_ip.
sdc_state string	Mapping state of the SDC. Choices: "mapped" "unmapped"
size integer	The size of the snapshot.
snapshot_id string	The ID of the Snapshot.
snapshot_name string	The name of the snapshot. Mandatory for create operation. Specify either snapshot_name or snapshot_id (but not both) for any operation.
snapshot_new_name string	New name of the snapshot. Used to rename the snapshot.
state string / required	State of the snapshot. Choices: "present" "absent"
timeout integer	Time after which connection will get terminated. It is to be mentioned in seconds. Default: 120
username string / required	The username of the PowerFlex host.
validate_certs aliases: verifycert boolean	Boolean variable to specify whether or not to validate SSL certificate. true - Indicates that the SSL certificate should be verified. false - Indicates that the SSL certificate should not be verified. Choices: false true ← (default)
vol_id string	The ID of the volume.
vol_name string	The name of the volume for which snapshot will be taken. Specify either vol_name or vol_id while creating snapshot.

Notes

Note

• The check_mode is not supported.

• The modules present in the collection named as ‘dellemc.powerflex’ are built to support the Dell PowerFlex storage platform.

Examples

- name: Create snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_name: "ansible_snapshot"
    vol_name: "ansible_volume"
    read_only: false
    desired_retention: 2
    state: "present"

- name: Get snapshot details using snapshot id
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    state: "present"

- name: Map snapshot to SDC
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    sdc:
      - sdc_ip: "198.10.xxx.xxx"
      - sdc_id: "663ac0d200000001"
    allow_multiple_mappings: true
    sdc_state: "mapped"
    state: "present"

- name: Modify the attributes of SDC mapped to snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    sdc:
      - sdc_ip: "198.10.xxx.xxx"
        iops_limit: 11
        bandwidth_limit: 4096
      - sdc_id: "663ac0d200000001"
        iops_limit: 20
        bandwidth_limit: 2048
    allow_multiple_mappings: true
    sdc_state: "mapped"
    state: "present"

- name: Extend the size of snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    size: 16
    state: "present"

- name: Unmap SDCs from snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    sdc:
      - sdc_ip: "198.10.xxx.xxx"
      - sdc_id: "663ac0d200000001"
    sdc_state: "unmapped"
    state: "present"

- name: Rename snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    snapshot_new_name: "ansible_renamed_snapshot_10"
    state: "present"

- name: Delete snapshot
  dellemc.powerflex.snapshot:
    hostname: "{{hostname}}"
    username: "{{username}}"
    password: "{{password}}"
    validate_certs: "{{validate_certs}}"
    snapshot_id: "fe6cb28200000007"
    remove_mode: "ONLY_ME"
    state: "absent"

Return Values

Common return values are documented here, the following are the fields unique to this module:

Key	Description
changed boolean	Whether or not the resource has changed. Returned: always Sample: false
snapshot_details dictionary	Details of the snapshot. Returned: When snapshot exists Sample: {"accessModeLimit": "ReadOnly", "ancestorVolumeId": "cdd883cf00000002", "ancestorVolumeName": "ansible-volume-1", "autoSnapshotGroupId": null, "compressionMethod": "Invalid", "consistencyGroupId": "22f1e80c00000001", "creationTime": 1631619229, "dataLayout": "MediumGranularity", "id": "cdd883d000000004", "links": [{"href": "/api/instances/Volume::cdd883d000000004", "rel": "self"}, {"href": "/api/instances/Volume::cdd883d000000004/relationships /Statistics", "rel": "/api/Volume/relationship/Statistics"}, {"href": "/api/instances/Volume::cdd883cf00000002", "rel": "/api/parent/relationship/ancestorVolumeId"}, {"href": "/api/instances/VTree::6e86255c00000001", "rel": "/api/parent/relationship/vtreeId"}, {"href": "/api/instances/StoragePool::e0d8f6c900000000", "rel": "/api/parent/relationship/storagePoolId"}], "lockedAutoSnapshot": false, "lockedAutoSnapshotMarkedForRemoval": false, "managedBy": "ScaleIO", "mappedSdcInfo": null, "name": "ansible_vol_snap_1", "notGenuineSnapshot": false, "originalExpiryTime": 0, "pairIds": null, "replicationJournalVolume": false, "replicationTimeStamp": 0, "retentionInHours": 0, "retentionLevels": [], "secureSnapshotExpTime": 0, "sizeInGb": 16, "sizeInKb": 16777216, "snplIdOfAutoSnapshot": null, "snplIdOfSourceVolume": null, "storagePoolId": "e0d8f6c900000000", "storagePoolName": "pool1", "timeStampIsAccurate": false, "useRmcache": false, "volumeReplicationState": "UnmarkedForReplication", "volumeType": "Snapshot", "vtreeId": "6e86255c00000001"}
ancestorVolumeId string	The ID of the root of the specified volume’s V-Tree. Returned: success
ancestorVolumeName string	The name of the root of the specified volume’s V-Tree. Returned: success
creationTime integer	The creation time of the snapshot. Returned: success
id string	The ID of the snapshot. Returned: success
mappedSdcInfo dictionary	The details of the mapped SDC. Returned: success
accessMode string	Mapping access mode for the specified snapshot. Returned: success
limitBwInMbps integer	Bandwidth limit for the SDC. Returned: success
limitIops integer	IOPS limit for the SDC. Returned: success
sdcId string	ID of the SDC. Returned: success
sdcIp string	IP of the SDC. Returned: success
sdcName string	Name of the SDC. Returned: success
name string	Name of the snapshot. Returned: success
retentionInHours integer	Retention of the snapshot in hours. Returned: success
secureSnapshotExpTime integer	Expiry time of the snapshot. Returned: success
sizeInGb integer	Size of the snapshot. Returned: success
sizeInKb integer	Size of the snapshot. Returned: success
storagePoolId string	The ID of the Storage pool in which snapshot resides. Returned: success
storagePoolName string	The name of the Storage pool in which snapshot resides. Returned: success

Authors

• Akash Shendge (@shenda1)

Collection links

• Issue Tracker
• Repository (Sources)