Storage Layer Abstraction#686

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noctarius wants to merge 37 commits intomainfrom

storage-abstraction

Commits on Mar 20, 2026

Basic implementation of abstract storage backend
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Added system endpoint which provides storage capabilities
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Added delete volume endpoint to Kubernetes adapter
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Added storage backend setting
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storage-backend task 1: move storageclass manifest builder to simplyblock backend module
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storage-backend task 2: move simplyblock credential loading to api boundary
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storage-backend: mark tasks 1 and 2 as completed
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storage-backend task 3: move simplyblock volume identifier resolvers into backend module
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storage-backend task 4: resolve database volume size via backend lookup
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storage-backend task 5: route iops updates through backend volume interface
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storage-backend task 6: resolve branch storage class via backend strategy
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storage-backend task 7: route branch clone/restore orchestration through backend operations
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storage-backend task 8: collect resource usage via backend provider
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storage-backend task 9: route snapshot usage metrics through backend provider
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storage-backend adjust 1: mark branch snapshot class hardcode removal complete
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storage-backend adjust 2: resolve backup snapshot class via backend
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storage-backend adjust 3: remove simplyblock chart storageclass defaults
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storage-backend adjust 4: make iops capability-aware for non-simplyblock backends
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storage-backend adjust 5: gate iops resize by backend capability and qos policy
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storage-backend adjust 6: expose volume metrics availability in resource usage
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storage-backend adjust 7: add default and snapshot storage class settings
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storage-backend extend 1: add explicit telemetry status surface to backend interface
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storage-backend: remove redundant get_usage methods from volume abstractions
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storage-backend: remove get_telemetry_status and keep telemetry via usage hooks
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resources: derive volume metrics availability from backend metric capabilities
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storage-backend extend 2: remove obsolete snapshot capability checks
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storage-backend extend 3: make iops resource-limit definition backend-aware
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lint: fix ruff violations across storage backends
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ruff: fix code style
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types: fix simplyblock backend mypy issues
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