Refactor plugin management:
- support multiple plugins per executable
- support restarting a plugin process in the event it terminates
- simplify plugin lifecycle management by using separate managers for
each scope (server vs backup vs restore)
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
* add a metrics package to handle metric registration and publishing
* add a metricsAddress field to the server struct
* make metrics a part of the server
* start a metrics endpoint as part of starting the controllers
* instrument backup_controller to report metrics
* update cli-reference docs
* update example deployments with prometheus annotations
* update 'pkg/install' tooling with prometheus annotations
Signed-off-by: Ashish Amarnath <ashish.amarnath@gmail.com>
We ran into a lot of problems using a finalizer on the backup to allow
the Ark server to clean up all associated backup data when deleting a
backup.
Users also found it less than desirable that deleting the heptio-ark
namespace resulted in all the backup data being deleted.
This removes the finalizer and replaces it with an explicit
DeleteBackupRequest that is created as a means of requesting the
deletion of a backup and all its associated data. This is what `ark
backup delete` does.
If you use kubectl to delete a backup or to delete the heptio-ark
namespace, this no longer deletes associated backups. Additionally, as
long as the heptio-ark namespace still exists, the Ark server's
BackupSyncController will continually sync backups into the heptio-ark
namespace from object storage.
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
Add --force and --confirm to `ark backup delete` to support forced
backup deletion. This forcibly removes the Ark GC finalizer (if it's
present) from a backup and will orphan any resources associated with the
backup, such as backup tarballs in object storage, persistent volume
snapshots, and restores for the backup.
If a backup has a deletion timestamp, display `Deleting` in `ark backup
describe` and `ark backup get`.
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
Add the ability for the Ark server to run in any namespace.
Add `ark client config get/set` for manipulating the new client
configuration file in $HOME/.config/ark/config.json. This holds client
defaults, such as the Ark server's namespace (to avoid having to specify
the --namespace flag all the time).
Add a --namespace flag to all client commands.
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
When running a backup, try to do as much as possible, collecting errors
along the way, and return an aggregate at the end. This way, if a backup
fails for most reasons, we'll be able to upload the backup log file to
object storage, which wasn't happening before.
Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
- Per discussion, there is no reason to deal
with the complexity of backwards compatibility
with the Namespace attribute on the Restore
domain.
- Also noticed there was an error on the
validation of the BackupController where
the message would actually just be the index
of the error and not the contents of the message
itself.
Signed-off-by: Justin Nauman <justin.r.nauman@gmail.com>
Andy Goldstein
Nolan Brubaker
Ashish Amarnath
Steve Kriss
Steve Kriss
Justin Nauman