etcd-druid is an etcd operator which makes it easy to configure, provision, reconcile and monitor etcd clusters. It enables management of an etcd cluster through declarative Kubernetes API model.
In every etcd cluster managed by etcd-druid, each etcd member is a two container Pod which consists of:
- etcd-wrapper which manages the lifecycle (validation & initialization) of an etcd.
- etcd-backup-restore sidecar which currently provides the following capabilities (the list is not comprehensive):
- etcd DB validation.
- Scheduled etcd DB defragmentation.
- Backup - etcd DB snapshots are taken regularly and backed in an object store if one is configured.
- Restoration - In case of a DB corruption for a single-member cluster it helps in restoring from latest set of snapshots (full & delta).
- Member control operations.
etcd-druid additional provides the following capabilities:
-
Facilitates declarative scale-out of etcd clusters.
-
Provides protection against accidental deletion/mutation of resources provisioned as part of an etcd cluster.
-
Offers an asynchronous and threshold based capability to process backed up snapshots to:
- Potentially minimize the recovery time by leveraging restoration from backups followed by etcd's compaction and defragmentation.
- Indirectly assert integrity of the backed up snaphots.
-
Allows seamless copy of backups between any two object store buckets.
If you are looking to try out druid then you can use a Kind cluster based setup.
getting-started.mp4
For detailed documentation, see our /docs folder. Please find the index here.
If you wish to contribute then please see our guidelines.
We always look forward to active community engagement. Please report bugs or suggestions on how we can enhance etcd-druid on GitHub Issues.
Release under Apache-2.0 license.
