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If you like to restore data from an older backup (snapshot) in case of
data loss
you like to have a data transfer from one database to another without influencing the former by this operation for some reason,
you can start the restore process on your own.
Table of contents
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| Info |
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Process and CostA restore is made from a snapshot created in advance and creates a new database system! The restore is not done onto the existing database instance. This means:
You are able to log into your projects environment, e.g. prod and initiate a restore to the same environment prod by default. By using the optional --environment argument you are also allowed to initiate the restore database to be placed in another environment of the same project, e.g. test. However, you are not able to intiate a restore process for a database which is not part of your current project and environment. In other words you are able to push databases into other environments, but not to pull from them. The later is prohibited for security reasons (privilege escalation). |
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| title | Backup Safety CopyWhen a database restore is initiated a new snapshot is created and listed as "safety copy". This is done to prolong the availability of the data by project specific backup retention. Imagine you have ordered a database restore of a snapshot, which had been deleted afterwards, because it's retention has ended. There was also a problem for whatever reason and the restored data is not usable anymore. You can reproduce the data anyway, using the identifier of the safety copy. |
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Step-by-step guide
Show help context
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Usage of r3 db restore
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~$ r3 db restore -h
Create a Restore Database Server from a Snapshot.
optional arguments:
-h, --help show this help message and exit
--env ENVIRONMENT, --environment ENVIRONMENT
The short name of the desired Environment (default:
this).
--loglevel {INFO,ERROR}
Define Loglevel for Execution (default: INFO)
snapshot_id SnapshotIdentifier of a Snapshot to restore a Database
Server from.
--db-instance-class INSTANCE_CLASS
DB instance class of restore database |
Restore a database from a snapshot
Obtain the identifier of the snapshot, whose data you want to restore using "
r3 db list".Initiate the restore process and wait until it finishes:
r3 db restore <snapshot-id>Retrieve the database endpoint provided at the end of the process
database restore example
Code Block language text title database restore example linenumbers true ~$ r3 db restore restore-snapshot-2017-10-23-10-31 # Response 2017-10-23 12:45:37,051 - r3-osumi - INFO - Starting DB Restore: This process can take up to 15 Minutes! 2017-10-23 12:45:37,051 - r3-osumi - INFO - Starting restore for Snapshot restore-snapshot-2017-10-23-10-31 2017-10-23 12:45:37,261 - r3-osumi - INFO - Got details on restore-snapshot-2017-10-23-10-31 2017-10-23 12:45:37,261 - r3-osumi - INFO - Got VPCID vpc-75e3561c for Target Env {'Environment': 'test', 'Company': 'root360', 'Project': 'backend'} 2017-10-23 12:45:37,390 - r3-osumi - INFO - Got Param Group ralf-osumi-test-rds-r3rdsparamgrouputf8-5j7zdzwn3ypf 2017-10-23 12:45:37,881 - r3-osumi - INFO - Got Security Groups ['sg-2146d148'] 2017-10-23 12:45:37,917 - r3-osumi - INFO - Got DBSubnetGroup root360-backend-test-vpc-rdsdbsubnetgroup-1kztrdy6yo728 2017-10-23 12:45:37,917 - r3-osumi - INFO - Waiting for restore-snapshot-2017-10-23-10-31 to be available 2017-10-23 12:45:37,917 - r3-osumi - INFO - Creating Safety copy restore-snapshot-2017-10-23-12-45 of restore-snapshot-2017-10-23-10-31 2017-10-23 12:45:38,122 - r3-osumi - INFO - Waiting for Snapshot Copy restore-snapshot-2017-10-23-12-45 2017-10-23 12:46:55,542 - r3-osumi - INFO - Started Restore for restore-db-2017-10-23-12-45. Waiting on return signal... 2017-10-23 12:54:27,451 - r3-osumi - INFO - Modify after Restore for restore-db-2017-10-23-12-45 2017-10-23 12:54:27,824 - r3-osumi - INFO - Wating to perform Restart after modify. 2017-10-23 12:54:57,983 - r3-osumi - INFO - Updating status for restore-db-2017-10-23-12-45 2017-10-23 12:55:28,173 - r3-osumi - INFO - Updating status for restore-db-2017-10-23-12-45 2017-10-23 12:55:58,355 - r3-osumi - INFO - Updating status for restore-db-2017-10-23-12-45 2017-10-23 12:56:28,546 - r3-osumi - INFO - Updating status for restore-db-2017-10-23-12-45 2017-10-23 12:56:28,626 - r3-osumi - INFO - Initiated reboot of Instance. Environment: test Company: root360 Project: backend +-------------+-------------------------------------------------------------------------+ | Resource | Identifier | +-------------+-------------------------------------------------------------------------+ | Endpoint | restore-db-2017-10-23-12-45.cw8zdc1gbk6g.eu-central-1.rds.amazonaws.com | | Safety Copy | restore-snapshot-2017-10-23-12-45 | +-------------+-------------------------------------------------------------------------+Using the provided endpoint you can now proceed, e.g. connect to the database from the Jump-Server or any application instance.
Info title Database User and Password On database restore, database users and passwords are inherited from the origin database, so you can connect seamlessly with your known credentials.
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