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Peter Matulis 17128e1e11 Trilio: Specify tv-s3-endpoint-url config option

The guide mistakenly states that the 'tv-s3-endpoint-url' config option
for the trilio-data-mover and trilio-wlm charms can be omitted when
using AWS as a backend. Fix this.

Drive-by: Fix minor formatting issues.

Closes-Bug: #2051961
Change-Id: I491468756676fdcf6555ab12b15d6cd75a6eef88
Signed-off-by: Peter Matulis <peter.matulis@canonical.com>

2024-02-01 12:44:44 -05:00

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21.06 Trilio

Summary

The 21.06 release of the Trilio charms adds support for new configuration options introduced in TrilioVault 4.1 Hot Fix 1. This release also introduces support for using an S3 backend for storing backups.

Important

The Trilio charms are not released with the same cadence as the other OpenStack charms. Instead, they are released shortly after releases of the Trilio code.

Supported combinations

The below table shows the support status for versions of TrilioVault for each version of Ubuntu and OpenStack.

**Supported combinations**
Ubuntu	OpenStack	TrilioVault 4.0	TrilioVault 4.1
Bionic	Queens	✔	✔
Bionic	Stein	✔	✔
Bionic	Train	✔	✔
Bionic	Ussuri	X	✔
Focal	Ussuri	X	✔

Upgrading to 21.06 Trilio charms

The Trilio charms are upgraded in the usual way:

juju upgrade-charm trilio-data-mover
juju upgrade-charm trilio-dm-api
juju upgrade-charm trilio-horizon-plugin
juju upgrade-charm trilio-wlm

Configuration option changes for 4.1 HF1

Configuration options have been updated in the charms. Any new options are ignored unless the Trilio packages have been upgraded to 4.1 HF1 or greater.

**Configuration options**
Charm	Configuration Key	Status	Explanation
trilio-wlm	max-wait-for-upload	New	The amount of time (in hours) that snapshot upload operation should wait for an upload to complete.
trilio-wlm	client-retry-limit	New	This is the number of times wlm will try to connect to OpenStack services.
trilio-wlm	misfire-grace-time	New	The grace time (in seconds) before the global job scheduler triggers marks a snapshot as missed.
trilio-wlm	use-internal-endpoints	Changed	This is now used when selecting a keystone endpoint for Trilio to use.
trilio-data-mover	cinder-http-retries	New	The number of times datamover will try to connect to the cinder service.
trilio-dm-api	dmapi-workers	New	Number of dmapi workers. This replaces the previous worker-multiplier option.
trilio-dm-api	worker-multiplier	Removed	Replaced by dmapi-workers
trilio-dm-api	haproxy-queue-timeout	Changed	Default changed from 9 seconds to 10 minutes.
trilio-dm-api	haproxy-connect-timeout	Changed	Default changed from 9 seconds to 10 minutes.
trilio-dm-api	haproxy-client-timeout	Changed	Default changed from 9 seconds to 10 minutes.
trilio-dm-api	haproxy-server-timeout	Changed	Default changed from 9 seconds to 10 minutes.

Using S3 to store backups

The Trilio charms now support using an S3 compatible storage service to store backups. This is achieved by setting the backup-target-type option of the trilio-data-mover and trilio-wlm charms to S3 and set the following configuration options to provide information regarding the S3 service:

tv-s3-endpoint-url the URL of the S3 storage
tv-s3-secret-key the secret key for accessing the S3 storage
tv-s3-access-key the access key for accessing the S3 storage
tv-s3-region-name the region for accessing the S3 storage
tv-s3-bucket the S3 bucket to use to storage backups in
tv-s3-ssl-cert the SSL CA to use when connecting to the S3 service

See DeploymentGuideTrilio for more details.

Warning

Switching between S3 and NFS backups types is not supported or tested.

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