Backing Up TKGI Management Plane Components

This topic describes how to use BOSH Backup and Restore (BBR) to back up VMware Tanzu Kubernetes Grid Integrated Edition (TKGI) Managment Plane components.

Overview

The BOSH Director, Tanzu Kubernetes Grid Integrated Edition Control Plane, and cluster deployments include custom back up and restore scripts which encapsulate the correct procedure for backing up and restoring the Director and Control Plane.

BBR orchestrates running the back up and restore scripts and transferring the generated backup artifacts to and from a backup directory. If configured correctly, BBR can use TLS to communicate securely with back up targets.

• To perform a restore of the BOSH Director, see Restore the BOSH Director.
• To perform a restore of the TKGI Control Plane, see Restore the Tanzu Kubernetes Grid Integrated Edition Control Plane.

To view the BBR release notes, see the Cloud Foundry documentation, BOSH Backup and Restore Release Notes.

Recommendations

VMware recommends:

• Follow the full procedure documented in this topic when creating a backup. This ensures that you always have a consistent backup of Ops Manager and Tanzu Kubernetes Grid Integrated Edition to restore from.

• Back up frequently, especially before upgrading your Tanzu Kubernetes Grid Integrated Edition deployment.

• For BOSH v270.0 and above (currently in Ops Manager 2.7), prune the BOSH blobstore by running bosh clean-up --all prior to running a backup of the BOSH director. This removes all unused resources, including packages compiled against older stemcell versions, which can result in a smaller, faster backup of the BOSH Director. For more information see the clean-Up command.

Note:The command bosh clean-up –all is a destructive operation and can remove resources that are unused but needed. For example, if an On-Demand Service Broker such as Tanzu Kubernetes Grid Integrated Edition is deployed and no service instances have been created, the releases needed to create a service instance will be categorized as unused and removed.

Prepare to Back Up

Before you use BBR to either back up TKGI or restore TKGI from backup, follow these steps to retrieve deployment information and credentials:

• Verify your BBR Version
• Retrieve the BBR SSH Credentials
• Retrieve the BOSH Director Credentials
• Retrieve the UAA Client Credentials
• Retrieve the BOSH Director Address
• Download the Root CA Certificate
• Retrieve the BOSH Command Line Credentials
• Retrieve Your Cluster Deployment Names

Verify Your BBR Version

Before running BBR, verify that the installed version of BBR is compatible with the version of Ops Manager your TKGI tile is on:

1. To determine the Ops Manager BBR version requirements, see the Ops Manager Release Notes for the version of Ops Manager you are using.

2. To verify the currently installed BBR version, run the following command:

   bbr version  
   

3. If the installed BBR version does not meet the Ops Manager BBR version requirement, or BBR is not installed, you must upgrade BBR. For more information, see Installing BOSH Backup and Restore.

Retrieve the BBR SSH Credentials

There are two ways to retrieve BOSH Director credentials:

• Ops Manager Installation Dashboard
• Ops Manager API

Ops Manager Installation Dashboard

To retrieve your BBR SSH Credentials using the Ops Manager Installation Dashboard:

1. Navigate to the Ops Manager Installation Dashboard.
2. Click the BOSH Director tile.

3. Click the Credentials tab.

4. Locate Bbr Ssh Credentials.

5. Click Link to Credentials next to it.
6. Copy the private_key_pem field value.

Ops Manager API

To retrieve your BBR SSH Credentials using the Ops Manager API:

1. Obtain your UAA access token. For more information, see Access the Ops Manager API.

2. Retrieve the Bbr Ssh Credentials by running the following command:

   curl "https://OPS-MAN-FQDN/api/v0/deployed/director/credentials/bbr_ssh_credentials" \
   -X GET \
   -H "Authorization: Bearer UAA-ACCESS-TOKEN"
   

   Where:

   • OPS-MAN-FQDN is the fully-qualified domain name (FQDN) for your Ops Manager deployment.
   • UAA-ACCESS-TOKEN is your UAA access token.

3. Copy the value of the private_key_pem field.

Save the BBR SSH Credentials to File

To save the BBR SSH credentials to a private key file:

1. To reformat the copied private_key_pem value and save it to a file in the current directory:

   printf -- "YOUR-PRIVATE-KEY" > PRIVATE-KEY-FILE
   

   Where:

   • YOUR-PRIVATE-KEY is the text of your private key.
   • PRIVATE-KEY-FILE is the path to the private key file you are creating.

   For example:

   $ printf --  "-----begin rsa private key----- fake key contents ----end rsa private key-----" > bbr_key.pem
   

Retrieve the BOSH Director Credentials

There are two ways to retrieve BOSH Director credentials:

• Ops Manager Installation Dashboard
• Ops Manager API

Ops Manager Installation Dashboard

To retrieve your BOSH Director credentials using the Ops Manager Installation Dashboard, perform the following steps:

1. Navigate to the Ops Manager Installation Dashboard.
2. Click the BOSH Director tile.

3. Click the Credentials tab.

4. Locate Director Credentials.

5. Click Link to Credentials next to it.
6. Copy and record the value of the password field.

Ops Manager API

To retrieve your BOSH Director credentials using the Ops Manager API, perform the following steps:

1. Obtain your UAA access token. For more information, see Access the Ops Manager API.

2. Retrieve the Director Credentials by running the following command:

   curl "https://OPS-MAN-FQDN/api/v0/deployed/director/credentials/bbr_ssh_credentials" \
   -X GET \
   -H "Authorization: Bearer UAA-ACCESS-TOKEN"
   

   Where:

   • OPS-MAN-FQDN is the fully-qualified domain name (FQDN) for your Ops Manager deployment.
   • UAA-ACCESS-TOKEN is your UAA access token.

3. Copy and record the value of the password field.

Retrieve the UAA Client Credentials

To obtain BOSH credentials for your BBR operations, perform the following steps:

1. From the Ops Manager Installation Dashboard, click the Tanzu Kubernetes Grid Integrated Edition tile.
2. Select the Credentials tab.
3. Navigate to Credentials > UAA Client Credentials.
4. Record the value for uaa_client_secret.
5. Record the value for uaa_client_name.

Note: You must use BOSH credentials that limit the scope of BBR activity to your cluster deployments.

Retrieve the BOSH Director Address

You access the BOSH Director using an IP address.

To obtain your BOSH Director’s IP address:

1. Open the Ops Manager Installation Dashboard.
2. Select BOSH Director > Status.
3. Select the listed Director IP Address.

Log In To BOSH Director

1. If you are not using the Ops Manager VM as your jump box, install the latest BOSH CLI on your jump box.

2. To log in to BOSH Director, using the IP address that you recorded above, run the following command line:

   bosh -e BOSH-DIRECTOR-IP \
   --ca-cert PATH-TO-BOSH-SERVER-CERTIFICATE log-in
   

   Where:

   • BOSH-DIRECTOR-IP is the BOSH Director IP address recorded above.
   • PATH-TO-BOSH-SERVER-CERTIFICATE is the path to the root Certificate Authority (CA) certificate as outlined in Download the Root CA Certificate.

3. To specify Email, specify director.

4. To specify Password, enter the Director Credentials that you obtained in Retrieve the BOSH Director Credentials.
   
   For example:

   $ bosh -e 10.0.0.3 \
   --ca-cert /var/tempest/workspaces/default/root_ca_certificate log-in
   Email (): director
   Password (): *******************
   Successfully authenticated with UAA
   Succeeded
   

Download the Root CA Certificate

To download the root CA certificate for your Tanzu Kubernetes Grid Integrated Edition deployment, perform the following steps:

1. Open the Ops Manager Installation Dashboard.
2. In the top right corner, click your user name.
3. Navigate to Settings > Advanced.
4. Click Download Root CA Cert.

Retrieve the BOSH Command Line Credentials

1. Open the Ops Manager Installation Dashboard.
2. Click the BOSH Director tile.
3. In the BOSH Director tile, click the Credentials tab.
4. Navigate to Bosh Commandline Credentials.
5. Click Link to Credential.
6. Copy the credential value.

Retrieve Your Cluster Deployment Names

To locate and record a cluster deployment name, follow the steps below for each cluster:

1. On the command line, run the following command to log in:

   tkgi login -a TKGI-API -u USERNAME -k
   

   Where:

   • TKGI-API is the domain name for the TKGI API that you entered in Ops Manager > Tanzu Kubernetes Grid Integrated Edition > TKGI API > API Hostname (FQDN). For example, api.tkgi.example.com.
   • USERNAME is your user name.
     
     See Logging in to Tanzu Kubernetes Grid Integrated Edition for more information about the tkgi login command.

     Note: If your operator has configured Tanzu Kubernetes Grid Integrated Edition to use a SAML identity provider, you must include an additional SSO flag to use the above command. For information about the SSO flags, see the section for the above command in TKGI CLI. For information about configuring SAML, see Connecting Tanzu Kubernetes Grid Integrated Edition to a SAML Identity Provider

2. Identify the cluster ID:

   tkgi cluster CLUSTER-NAME
   

   Where CLUSTER-NAME is the name of your cluster.

3. From the output of this command, record the UUID value.

4. Open the Ops Manager Installation Dashboard.

5. Click the BOSH Director tile.

6. Select the Credentials tab.

7. Navigate to Bosh Commandline Credentials and click Link to Credential.

8. Copy the credential value.

9. SSH into your jump box. For more information about the jump box, see Installing BOSH Backup and Restore.

10. To retrieve your cluster deployment name, run the following command:

    BOSH-CLI-CREDENTIALS deployments | grep UUID
    

    Where:

    • BOSH-CLI-CREDENTIALS is the full value that you copied from the BOSH Director tile in Retrieve the BOSH Command Line Credentials.
    • UUID is the cluster UUID that you recorded in the previous step.
      
      

Back Up Tanzu Kubernetes Grid Integrated Edition

To back up your Tanzu Kubernetes Grid Integrated Edition environment you must first connect to your jump box before executing bbr back up commands.

Connect to Your Jump Box

You can establish a connection to your jump box in one of the following ways:

• Connect with SSH
• Connect with BOSH_ALL_PROXY

For general information about the jump box, see Installing BOSH Backup and Restore.

Connect with SSH

To connect to your jump box with SSH, do one of the following:

• To use the Ops Manager VM as your jump box:

  1. Log in to the Ops Manager VM. For more information, see Log in to the Ops Manager VM with SSH in Advanced Troubleshooting with the BOSH CLI.

• To connect to your jump box using the command line:

  1. Run the following command:

     ssh -i PATH-TO-KEY JUMP-BOX-USERNAME@JUMP-BOX-ADDRESS
     

     Where:

     • PATH-TO-KEY is the local path to your private key for the jump box host.
     • JUMP-BOX-USERNAME is your jump box user name.
     • JUMP-BOX-ADDRESS is the address of the jump box.

  Note: If you connect to your jump box with SSH, you must run the BBR commands in the following sections from within your jump box.

Connect with BOSH_ALL_PROXY

You can use the BOSH_ALL_PROXY environment variable to open an SSH tunnel with SOCKS5 to your jump box. This tunnel enables you to forward requests from your local machine to the BOSH Director through the jump box. When BOSH_ALL_PROXY is set, BBR always uses its value to forward requests to the BOSH Director.

Note: For the following procedures to work, ensure the SOCKS port is not already in use by a different tunnel or process.

To connect with BOSH_ALL_PROXY, do one of the following:

• To establish a tunnel separate from the BOSH CLI:

  1. Establish the tunnel and make it available on a local port by running the following command:

     ssh -4 -D SOCKS-PORT -fNC JUMP-BOX-USERNAME@JUMP-BOX-ADDRESS -i JUMP-BOX-KEY-FILE -o ServerAliveInterval=60
     

     Where:

     • SOCKS-PORT is the local SOCKS port.
     • JUMP-BOX-USERNAME is your jump box user name.
     • JUMP-BOX-ADDRESS is the address of the jump box.
     • JUMP-BOX-KEY-FILE is the local SSH private key for accessing the jump box.

     For example:

     $ ssh -4 -D 12345 -fNC [email protected] -i jumpbox.key -o ServerAliveInterval=60
     

  2. Provide the BOSH CLI with access to the tunnel through BOSH_ALL_PROXY by running the following command:

     export BOSH_ALL_PROXY=socks5://localhost:SOCKS-PORT
     

     Where is SOCKS-PORT is your local SOCKS port.

• To establish a tunnel using the BOSH CLI:

  1. Provide the BOSH CLI with the necessary SSH credentials to create the tunnel by running the following command:

     export BOSH_ALL_PROXY=ssh+socks5://JUMP-BOX-USERNAME@JUMP-BOX-ADDRESS:SOCKS-PORT?private_key=JUMP-BOX-KEY-FILE
     

     Where:

     • JUMP-BOX-USERNAME is your jump box user name.
     • JUMP-BOX-ADDRESS is the address of the jump box.
     • SOCKS-PORT is your local SOCKS port.
     • JUMP-BOX-KEY-FILE is the local SSH private key for accessing the jump box.

     For example:

     $ export BOSH_ALL_PROXY=ssh+socks5://[email protected]:12345?private_key=jumpbox.key
     

Note: Using BOSH_ALL_PROXY can result in longer back up and restore times because of network performance degradation. All operations must pass through the proxy which means moving backup artifacts can be significantly slower.

Warning: In BBR v1.5.0 and earlier, the tunnel created by the BOSH CLI does not include the ServerAliveInterval flag. This might result in your SSH connection timing out when transferring large artifacts. In BBR v1.5.1, the ServerAliveInterval flag is included. For more information, see bosh-backup-and-restore v1.5.1 on GitHub.

Back Up Ops Manager Installation Settings

To ensure your BBR backup is reliable, frequently export your Ops Manager installation settings as a backup.

There are two ways to export Ops Manager installation settings:

• Export settings using the Ops Manager UI
• Export settings using the Ops Manager API

Note: If you want to automate the back up process, you can use the Ops Manager API to export your installation settings.

When exporting your installation settings, keep in mind the following:

• Always export your installation settings before following the steps in the Restore the BOSH Director section of the Restoring Tanzu Kubernetes Grid Integrated Edition topic.

• You can only export Ops Manager installation settings after you have deployed at least once.

• Your Ops Manager settings export is only a backup of Ops Manager configuration settings. The export is not a backup of your VMs or any external MySQL databases.

• Your Ops Manager settings export is encrypted. Make sure you keep track of your Decryption Passphrase because this is needed to restore the Ops Manager settings.

Export Settings Using the Ops Manager UI

To export your Ops Manager installation settings using the Ops Manager UI, perform the following steps:

1. From the Installation Dashboard in the Ops Manager interface, click your user name at the top right navigation.
2. Select Settings.
3. Select Export Installation Settings.
4. Click Export Installation Settings.

Export Settings Using the Ops Manager API

To export your Ops Manager installation settings using the Ops Manager API, perform the following steps:

1. To export your installation settings using the Ops Manager API, run the following command:

   curl https://OPS-MAN-FQDN/api/v0/installation_asset_collection \
   -H "Authorization: Bearer UAA-ACCESS-TOKEN" > installation.zip
   

   Where:

   • OPS-MAN-FQDN is the fully-qualified domain name (FQDN) for your Ops Manager deployment.
   • UAA-ACCESS-TOKEN is your UAA access token. For more information, see Access the API.

Back Up the Tanzu Kubernetes Grid Integrated Edition BOSH Director

To back up BOSH Director you will validate your current configuration, then execute the bbr back up command.

Validate the Tanzu Kubernetes Grid Integrated Edition BOSH Director

1. To confirm that your BOSH Director is reachable and has the correct BBR scripts, run the following command:

   bbr director  --host BOSH-DIRECTOR-IP  --username bbr \
   --private-key-path PRIVATE-KEY-FILE  pre-backup-check
   

   Where:

   • BOSH-DIRECTOR-IP is the address of the BOSH Director. If the BOSH Director is public, BOSH-DIRECTOR-IP is a URL, such as https://my-bosh.xxx.cf-app.com. Otherwise, this is the internal IP BOSH-DIRECTOR-IP which you can retrieve as show in Retrieve the BOSH Director Address.
   • PRIVATE-KEY-FILE is the path to the private key file that you can create from Bbr Ssh Credentials as shown in Download the BBR SSH Credentials.

   For example:

   $ bbr director --host 10.0.0.5 --username bbr \
   --private-key-path private-key.pem pre-backup-check
   

2. If the pre-backup check command fails, perform the following actions:

   1. Run the command again, adding the --debug flag to enable debug logs. For more information, see BBR Logging.
   2. Make any correction suggested in the output and run the pre-backup check again.

Back Up the Tanzu Kubernetes Grid Integrated Edition BOSH Director

1. If the pre-backup check succeeds, run the BBR back up command from your jump box to back up the TKGI BOSH Director:

   bbr director --host BOSH-DIRECTOR-IP --username bbr \
   --private-key-path PRIVATE-KEY-FILE  backup
   

   Where:

   • BOSH-DIRECTOR-IP is the address of the BOSH Director. If the BOSH Director is public, BOSH-DIRECTOR-IP is a URL, such as https://my-bosh.xxx.cf-app.com. Otherwise, this is the internal IP. See Retrieve the BOSH Director Address for more information.
   • PRIVATE-KEY-FILE is the path to the private key file that you can create from Bbr Ssh Credentials as shown in Download the BBR SSH Credentials.

   For example:

   $ bbr director  --host 10.0.0.5 --username bbr \
   --private-key-path private-key.pem  backup
   

   Note: The BBR back up command can take a long time to complete. You can run it independently of the SSH session so that the process can continue running even if your connection to the jump box fails. The command above uses nohup, but you can run the command in a screen or tmux session instead.

2. If the command completes successfully, follow the steps in Manage Your Backup Artifact below.

3. If the back up command fails, perform the following actions:

   • Run the command again, adding the --debug flag to enable debug logs. For more information, see BBR Logging.
   • Follow the steps in Recover from a Failing Command.

Back Up the Tanzu Kubernetes Grid Integrated Edition Control Plane

To back up your Tanzu Kubernetes Grid Integrated Edition Control Plane you will validate the Control Plane, then execute the bbr back up command.

Locate the Tanzu Kubernetes Grid Integrated Edition Deployment Name

Locate and record your Tanzu Kubernetes Grid Integrated Edition BOSH deployment name as follows:

1. Open an SSH connection to either your jump box, as described in the previous section, or the Ops Manager VM. For instructions on how to SSH into the Ops Manager VM, see Log in to the Ops Manager VM with SSH in Advanced Troubleshooting with the BOSH CLI.

2. On the command line, run the following command to retrieve your Tanzu Kubernetes Grid Integrated Edition BOSH deployment name.

   BOSH-CLI-CREDENTIALS deployments | grep pivotal-container-service
   

   Where BOSH-CLI-CREDENTIALS is the full value that you copied from the BOSH Director tile in Retrieve the BOSH Command Line Credentials.
   
   For example:

   $ BOSH_CLIENT=ops_manager BOSH_CLIENT_SECRET=p455w0rd BOSH_CA_CERT=/var/tempest/workspaces/default/root_ca_certificate BOSH_ENVIRONMENT=10.0.0.5 bosh deployments | grep pivotal-container-service  
   pivotal-container-service-51f08f6402aaa960f041           backup-and-restore-sdk/1.9.0    bosh-google-kvm-ubuntu-jammy-go_agent/1.75  
   service-instance_4ffeb5b5-5182-4faa-9d92-696d97cc9ae1    bosh-dns/1.10.0                 bosh-google-kvm-ubuntu-jammy-go_agent/1.75  
   pivotal-container-service-51f08f6402aaa960f041  
   

3. Review the returned output. The Tanzu Kubernetes Grid Integrated Edition BOSH deployment name begins with pivotal-container-service and includes a unique identifier. In the example output above, the BOSH deployment name is pivotal-container-service-51f08f6402aaa960f041.

Validate the Tanzu Kubernetes Grid Integrated Edition Control Plane

1. To confirm that your TKGI control plane is reachable and has a deployment that can be backed up, run the BBR pre-backup check command:

   BOSH_CLIENT_SECRET=BOSH-CLIENT-SECRET bbr deployment \
   --target BOSH-TARGET  --username BOSH-CLIENT --deployment DEPLOYMENT-NAME \
   --ca-cert PATH-TO-BOSH-SERVER-CERT \
   pre-backup-check
   

   Where:

   • BOSH-CLIENT-SECRET is your BOSH client secret. If you do not know your BOSH Client Secret, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT_SECRET.
   • BOSH-TARGET is your BOSH Environment setting. If you do not know your BOSH Environment setting, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_ENVIRONMENT. You must be able to reach the target address from the workstation where you run bbr commands.
   • BOSH-CLIENT is your BOSH Client Name. If you do not know your BOSH Client Name, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT.
   • DEPLOYMENT-NAME is the Tanzu Kubernetes Grid Integrated Edition BOSH deployment name that you located in the Locate the Tanzu Kubernetes Grid Integrated Edition Deployment Name section above.
   • PATH-TO-BOSH-CA-CERT is the path to the root CA certificate that you downloaded in Download the Root CA Certificate above.

   For example:

   $ BOSH_CLIENT_SECRET=p455w0rd bbr deployment \
   --target bosh.example.com --username admin --deployment cf-acceptance-0 \
   --ca-cert bosh.ca.cert \
   pre-backup-check
   

2. If the pre-backup check command fails, perform the following actions:

   1. Run the command again, adding the --debug flag to enable debug logs. For more information, see BBR Logging.
   2. Make any correction suggested in the output and run the pre-backup check again. For example, the deployment that you selected might not have the correct back up scripts, or the connection to the BOSH Director failed.

Back Up the Tanzu Kubernetes Grid Integrated Edition Control Plane

If the pre-backup check succeeds, run the BBR back up command.

1. To back up the TKGI control plane, run the following BBR back up command from your jump box:

   BOSH_CLIENT_SECRET=BOSH-CLIENT-SECRET nohup bbr deployment \
   --target BOSH-TARGET --username BOSH-CLIENT --deployment DEPLOYMENT-NAME \
   --ca-cert PATH-TO-BOSH-SERVER-CERT \
   backup --with-manifest [--artifact-path]
   

   Where:

   • BOSH-CLIENT-SECRET is your BOSH client secret. If you do not know your BOSH Client Secret, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT_SECRET.
   • BOSH-TARGET is your BOSH Environment setting. If you do not know your BOSH Environment setting, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_ENVIRONMENT. You must be able to reach the target address from the workstation where you run bbr commands.
   • BOSH-CLIENT is your BOSH Client Name. If you do not know your BOSH Client Name, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT.
   • DEPLOYMENT-NAME is the Tanzu Kubernetes Grid Integrated Edition BOSH deployment name that you located in the Locate the Tanzu Kubernetes Grid Integrated Edition Deployment Name section above.
   • PATH-TO-BOSH-CA-CERT is the path to the root CA certificate that you downloaded in Download the Root CA Certificate above.
   • --with-manifest is necessary in order to redeploy your TKGI Control Plane in the case of its loss. --with-manifest is an optional backup parameter to include the manifest in the backup artifact.
   • --artifact-path is an optional backup parameter to specify the output path for the backup artifact.

   For example:

   $ BOSH_CLIENT_SECRET=p455w0rd nohup bbr deployment \
   --target bosh.example.com  --username admin --deployment cf-acceptance-0 \
   --ca-cert bosh.ca.cert \
   backup --with-manifest
   

   Note: The –with-manifest flag is necessary in order to redeploy your TKGI Control Plane in the case of its loss. Secure the backup artifact created by this process because it contains secret credentials.

2. Wait for the BBR back up command to complete:

   • If the command completes successfully, follow the steps in Manage Your Backup Artifact below.
   • If the back up command fails, perform the following actions:
     1. Run the command again, adding the --debug flag to enable debug logs. For more information, see BBR Logging.
     2. Follow the steps in Recover from a Failing Command.

   Note: The BBR back up command can take a long time to complete. You can run it independently of the SSH session so that the process can continue running even if your connection to the jump box fails. The command above uses nohup, but you can run the command in a screen or tmux session instead.

Cancel a Back Up

Backing up can take a long time. If you realize that the back up is going to fail or that your developers need to push an app immediately, you might need to cancel the back up.

To cancel a back up, perform the following steps:

1. Terminate the BBR process by pressing Ctrl-C and typing yes to confirm.
2. Because stopping a back up can leave the system in an unusable state and prevent additional back ups, follow the procedures in Clean up After a Failed Back Up below.

After Backing Up Tanzu Kubernetes Grid Integrated Edition

After the back up has completed, review and manage the generated backup artifacts.

Manage Your Backup Artifact

The BBR-created backup consists of a directory containing the backup artifacts and metadata files. BBR stores each completed backup directory within the current working directory.

Note: The optional –with-manifest flag directs BBR to create a backup containing credentials. Manage the generated backup artifact knowing it contains secrets for administering your environment.

BBR backup artifact directories are named using the following formats:

• DIRECTOR-IP-TIMESTAMP for the BOSH Director backups.
• DEPLOYMENT-TIMESTAMP for the Control Plane backup.
• DEPLOYMENT-TIMESTAMP for the cluster deployment backups.

Keep your backup artifacts safe by following these steps:

1. Move the backup artifacts off the jump box to your storage space.

2. Compress and encrypt the backup artifacts when storing them.

3. Make redundant copies of your backup and store them in multiple locations. This minimizes the risk of losing your backups in the event of a disaster.

4. Each time you redeploy Tanzu Kubernetes Grid Integrated Edition, test your backup artifact by following the procedures in:

   • Restore the Tanzu Kubernetes Grid Integrated Edition BOSH Director
   • Restore the Tanzu Kubernetes Grid Integrated Edition Control Plane
   • Restore Tanzu Kubernetes Grid Integrated Edition Clusters

Recover from a Failing Command

If the back up fails, follow these steps:

1. Ensure that you set all the parameters in the back up command.
2. Ensure the credentials previously obtained are valid.
3. Ensure the deployment that you specify in the BBR command exists.
4. Ensure that the jump box can reach the BOSH Director.
5. Consult BBR Logging.
6. If you see the error message: Directory /var/vcap/store/bbr-backup already exists on instance, run the appropriate cleanup command. See Clean Up After a Failed Backup below for more information.
7. If the backup artifact is corrupted, discard the failing artifacts and run the back up again.

Clean Up after a Failed Back Up

If your back up process fails, use the BBR cleanup script to clean up the failed run.

Warning: It is important to run the BBR cleanup script after a failed BBR back up run. A failed back up run might leave the BBR backup directory on the instance, causing any subsequent attempts to back up to fail. In addition, BBR might not have run the post-backup scripts, leaving the instance in a locked state.

• If the TKGI BOSH Director back up failed:

  1. Run the following BBR cleanup script command to clean up:

     bbr director --host BOSH-DIRECTOR-IP \
     --username bbr  --private-key-path PRIVATE-KEY-FILE \
     backup-cleanup
     

     Where:

     • BOSH-DIRECTOR-IP is the address of the BOSH Director. If the BOSH Director is public, BOSH-DIRECTOR-IP is a URL, such as https://my-bosh.xxx.cf-app.com. Otherwise, this is the internal IP BOSH-DIRECTOR-IP which you can retrieve as show in Retrieve the BOSH Director Address above.
     • PRIVATE-KEY-FILE is the path to the private key file that you can create from Bbr Ssh Credentials as shown in Download the BBR SSH Credentials above. Replace the placeholder text using the information in the following table.

     For example:

     $ bbr director  --host 10.0.0.5  --username bbr \
     --private-key-path private-key.pem \
     backup-cleanup
     

• If the TKGI control plane or TKGI clusters back ups fail:

  1. Run the following BBR cleanup script command to clean up:

     BOSH_CLIENT_SECRET=BOSH-CLIENT-SECRET \
     bbr deployment \
     --target BOSH-TARGET \
     --username BOSH-CLIENT \
     --deployment DEPLOYMENT-NAME \
     --ca-cert PATH-TO-BOSH-CA-CERT \
     backup-cleanup
     

     Where:

     • BOSH-CLIENT-SECRET is your BOSH client secret. If you do not know your BOSH Client Secret, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT_SECRET.
     • BOSH-TARGET is your BOSH Environment setting. If you do not know your BOSH Environment setting, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_ENVIRONMENT. You must be able to reach the target address from the workstation where you run bbr commands.
     • BOSH-CLIENT is your BOSH Client Name. If you do not know your BOSH Client Name, open your BOSH Director tile, navigate to Credentials > Bosh Commandline Credentials and record the value for BOSH_CLIENT.
     • DEPLOYMENT-NAME is the Tanzu Kubernetes Grid Integrated Edition BOSH deployment name that you located in the Locate the Tanzu Kubernetes Grid Integrated Edition Deployment Names section above.
     • PATH-TO-BOSH-CA-CERT is the path to the root CA certificate that you downloaded in Download the Root CA Certificate above.

     For example:

     $ BOSH_CLIENT_SECRET=p455w0rd bbr deployment \
     --target bosh.example.com --username admin --deployment cf-acceptance-0 \
     --ca-cert bosh.ca.crt \
     backup-cleanup
     

  2. If the cleanup script fails, consult the following table to match the exit codes to an error message:

     Value	Error
     0	Success
     1	General failure
     8	The post-backup unlock failed. One of your deployments might be in a bad state and require attention.
     16	The cleanup failed. This is a non-fatal error indicating that the utility has been unable to clean up open BOSH SSH connections to a deployment’s VMs. Manual cleanup might be required to clear any hanging BOSH users and connections.