feat(backup): add EtcdBackup CRD for declarative etcd snapshots#307

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IvanHunters wants to merge 35 commits intoaenix-io:mainfrom

IvanHunters:feat/etcdbackup-crd

Commits on Mar 19, 2026

feat(api): add EtcdBackup CRD types

ohotnikov.ivan
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feat(api): add EtcdBackup validation webhook

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feat(backup): add backup-agent binary

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feat(factory): add backup Job factory

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feat(controller): add EtcdBackup reconciler

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feat(manager): register EtcdBackup controller and webhook

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chore(config): add EtcdBackup CRD manifests, RBAC, and webhook config

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build: add backup-agent to Dockerfile and Makefile

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feat(helm): add EtcdBackup support to Helm chart

ohotnikov.ivan
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fix(backup): address PR review feedback

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feat(backup): add EtcdBackupSchedule CRD for recurring backups

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fix(backup): address review findings in backup subsystem

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feat(bootstrap): add cluster restoration from backup snapshot

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fix: address review findings

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fix: address second review findings

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fix: address third review findings

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fix: address fourth review findings

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fix: address fifth review findings

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fix: skip name length check on update, add missing tests

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fix: add backup name length validation, restrict file permissions, use Job conditions

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fix: add resource limits, restrict dir permissions, validate S3 endpoint

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fix: use typed condition constant, requeue on ClusterNotFound

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fix: add pod SecurityContext and set -e in restore script

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fix: address maintainer review feedback

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chore: replace reflect.DeepEqual with semantic.DeepEqual
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tests: verify cronjob updated on schedule update
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chore: add finished job ttl and active job deadline fields
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chore: add validation for cron schedule
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chore: fix linting
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chore: revert adding fields to crds
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