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Add DEP-06: Immutable ETCD Backups #884

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seshachalam-yv
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@seshachalam-yv seshachalam-yv commented Oct 1, 2024

How to categorize this PR?

/area backup
/area disaster-recovery
/area security
/area compliance
/area storage
/kind enhancement

What this PR does / why we need it:
This PR adds DEP-06: Immutable ETCD Backups. The proposal aims to enhance the reliability and integrity of ETCD backups in ETCD Druid by introducing immutable backups. By leveraging cloud provider features that support a write-once-read-many (WORM) model, this approach prevents unauthorized modifications to backup data, ensuring that backups remain available and intact for restoration.

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Release note:

Add DEP-06: Immutable ETCD Backups

@seshachalam-yv seshachalam-yv requested a review from a team as a code owner October 1, 2024 11:46
@gardener-robot gardener-robot added needs/review Needs review area/backup Backup related area/compliance Compliance related area/disaster-recovery Disaster recovery related area/security Security related area/storage Storage related kind/enhancement Enhancement, improvement, extension size/m Size of pull request is medium (see gardener-robot robot/bots/size.py) labels Oct 1, 2024
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@seshachalam-yv seshachalam-yv changed the title Add DEP-06: Immutable ETCD Backups Add DEP-06: Immutable ETCD Backups Oct 2, 2024
@seshachalam-yv seshachalam-yv changed the title Add DEP-06: Immutable ETCD Backups Add DEP-06: Immutable ETCD Backups Oct 2, 2024
@seshachalam-yv seshachalam-yv changed the title Add DEP-06: Immutable ETCD Backups Add DEP-06: Immutable ETCD Backups Oct 2, 2024
@anveshreddy18 anveshreddy18 self-assigned this Oct 3, 2024
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@ashwani2k ashwani2k left a comment

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Thanks @seshachalam-yv @ishan16696 @renormalize for the proposal.
It captures thing well, but I've put some open points esp. on the structure as well some details esp. as it addresses design considerations.

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@renormalize renormalize self-assigned this Oct 10, 2024
@renormalize renormalize added this to the v0.25.0 milestone Nov 13, 2024
@gardener-robot gardener-robot added size/l Size of pull request is large (see gardener-robot robot/bots/size.py) needs/second-opinion Needs second review by someone else and removed size/m Size of pull request is medium (see gardener-robot robot/bots/size.py) labels Nov 21, 2024
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LGTM!!

@anveshreddy18 anveshreddy18 removed their assignment Feb 5, 2025
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@seshachalam-yv thanks a lot for making the requested changes! Just one nit, but overall LGTM!

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/lgtm

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Thanks for incorporating all the changes. i have only minor comments. Once these are resolved you can merge the PR.

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…utabilityTask when immutability configuration is removed from etcd.spec.backup.store
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/lgtm

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/retest

@seshachalam-yv seshachalam-yv merged commit ada610d into gardener:master Feb 6, 2025
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@gardener-robot gardener-robot added the status/closed Issue is closed (either delivered or triaged) label Feb 6, 2025
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