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204 Commits

Author SHA1 Message Date
Michael Eischer c970e58739 backend: refactor backend Connections and HasAtomicReplace into Properties 2025-02-16 22:27:58 +01:00
Michael Eischer b7ff8ea9cd repository: expose cache via method 2025-01-13 22:40:18 +01:00
Michael Eischer 99e105eeb6 repository: restrict SaveUnpacked and RemoveUnpacked 
Those methods now only allow modifying snapshots. Internal data types
used by the repository are now read-only. The repository-internal code
can bypass the restrictions by wrapping the repository in an
`internalRepository` type.

The restriction itself is implemented by using a new datatype
WriteableFileType in the SaveUnpacked and RemoveUnpacked methods. This
statically ensures that code cannot bypass the access restrictions.

The test changes are somewhat noisy as some of them modify repository
internals and therefore require some way to bypass the access
restrictions. This works by capturing an `internalRepository` or
`Backend` when creating the Repository using a test helper function.
 2025-01-13 22:39:57 +01:00
Srigovind Nayak 88174cd0a4
cache: remove redundant index file cleanup 
addressing code review comments
 2024-08-17 00:21:49 +05:30
Srigovind Nayak b7d014b685
Revert "repository: removed redundant prepareCache method from Repository" 
This reverts commit 720609f8ba.
 2024-08-17 00:18:13 +05:30
Srigovind Nayak 720609f8ba
repository: removed redundant prepareCache method from Repository 
* remove the prepareCache method from the Repository
* changed the signature of the SetIndex function to no longer return an error
 2024-08-11 23:41:07 +05:30
Michael Eischer ae1cb889dd Add more checks for canceled contexts 2024-07-31 19:30:47 +02:00
Michael Eischer b80aa7b1cc repository: prevent initialization if a snapshot exists 2024-06-14 20:37:01 +02:00
Michael Eischer bab760369f repository: double check that there is not repository before init 
Apparently, calling `Stat` on the config file can be unreliable for some
backends.
 2024-06-09 00:05:32 +02:00
Michael Eischer 5e0ea8fcfa pack: move to repository package 2024-05-25 13:13:03 +02:00
Michael Eischer 50ec408302 index: move to repository package 2024-05-25 13:13:03 +02:00
Michael Eischer 8e5d7d719c cache: move to backend package 2024-05-24 23:04:06 +02:00
Michael Eischer 462b82a060 index: reduce size of compressed indexes 
use the same index size for compressed and uncompressed indexes.
Otherwise, decoding the index of a compressed repository requires
significantly more memory.
 2024-05-24 22:18:14 +02:00
Michael Eischer 68fa0e0305 prune: no longer disable automatic index updates 
this allows prune to resume an interrupted prune run.
 2024-05-24 21:33:17 +02:00
Michael Eischer 76e6719f2e repository: make CreateIndexFromPacks method private 2024-05-24 21:33:17 +02:00
Michael Eischer 550d1eeac3 repository: remove SaveIndex from interface 
The method is now only indirectly accessible via Prune or RepairIndex.
 2024-05-24 21:33:17 +02:00
Michael Eischer 447b486c20 index: deduplicate index loading of check and repository 2024-05-24 21:33:17 +02:00
Michael Eischer 864995271e repository: unwrap BlobHandle parameters of LookupBlob 
The method now uses the same parameters as LookupBlobSize.
 2024-05-24 21:33:17 +02:00
Michael Eischer 1266a4932f repository: fix parameter order of LookupBlobSize 
All methods should use blobType followed by ID.
 2024-05-24 21:33:17 +02:00
Michael Eischer 0aa5c53842 repository: replace HasBlob with LookupBlobSize 2024-05-24 21:33:17 +02:00
Michael Eischer 8f1e70cd9b repository: remove clearIndex and packSize from public interface 2024-05-24 21:33:17 +02:00
Michael Eischer 4df887406f repository: inline MasterIndex interface into Repository interface 2024-05-24 21:33:17 +02:00
Michael Eischer 291c9677de restic/repository: remove Backend() method 2024-05-18 21:42:51 +02:00
Michael Eischer d2c26e33f3 repository: remove further usages of repo.Backend() 2024-05-18 21:42:51 +02:00
Michael Eischer aa4647f773 repository: unexport PackBlobIterator 2024-05-18 21:42:51 +02:00
Michael Eischer ab9077bc13 replace usages of backend.Remove() with repository.RemoveUnpacked() 
RemoveUnpacked will eventually block removal of all filetypes other than
snapshots. However, getting there requires a major refactor to provide
some components with privileged access.
 2024-05-18 21:38:31 +02:00
Michael Eischer 385cee09dc repository: fix caching of tree packs in LoadBlobsFromPack 2024-05-18 21:28:54 +02:00
Michael Eischer 7017adb7e9 repository: retry failed ListPack once 2024-05-18 21:28:54 +02:00
Michael Eischer e33ce7f408 repository: retry failed LoadBlob once 2024-05-18 21:28:54 +02:00
Michael Eischer 503c8140b1 repository: unify blob decoding code 2024-05-18 21:26:00 +02:00
Michael Eischer 6563f1d2ca repository: remove redundant debug log 2024-05-18 21:26:00 +02:00
Michael Eischer 021fb49559 repository: Implement repository.LoadUnpacked using LoadRaw 
Both functions were using a similar implementation.
 2024-05-18 21:26:00 +02:00
Michael Eischer ffe5439149
Merge pull request #4605 from MichaelEischer/better-restorer-error-handling 
Rework repository.StreamPacks & better restorer error handling
 2024-05-01 16:37:41 +02:00
Michael Eischer 940a3159b5 let index.Each() and pack.Size() return error on canceled context 
This forces a caller to actually check that the function did complete.
 2024-04-22 22:39:32 +02:00
Michael Eischer 31624aeffd Improve command shutdown on context cancellation 2024-04-22 22:31:38 +02:00
Michael Eischer b15d867414
Merge pull request #4763 from MichaelEischer/refactor-prune 
Refactor repair index / prune into the repository package
 2024-04-22 22:24:53 +02:00
Michael Eischer 20d8eed400 repository: streamPack: separate requests for gap larger than 1MB 
With most cloud providers, traffic is much more expensive than API
calls. Thus slightly bias streamPack towards a bit more API calls in
exchange for slightly less traffic.
 2024-04-22 21:21:23 +02:00
Michael Eischer cf700d8794 repository: streamPack: reuse zstd decoder 2024-04-22 21:21:23 +02:00
Michael Eischer 666a0b0bdb repository: streamPack: replace streaming with chunked download 
Due to the interface of streamPack, we cannot guarantee that operations
progress fast enough that the underlying connections remains open. This
introduces partial failures which massively complicate the error
handling.

Switch to a simpler approach that retrieves the pack in chunks of 32MB.
If a blob is larger than this limit, then it is downloaded separately.

To avoid multiple copies in memory, an auxiliary interface
`discardReader` is introduced that allows directly accessing the
downloaded byte slices, while still supporting the streaming used by the
`check` command.
 2024-04-22 21:21:23 +02:00
Michael Eischer 621012dac0 repository: Add blob loading fallback to LoadBlobsFromPack 
Try to retrieve individual blobs via LoadBlob if streaming did not work.
 2024-04-21 21:35:55 +02:00
Michael Eischer 10355c3fb6 repository: Better error message if blob is larger than 4GB 2024-04-19 22:00:35 +02:00
Michael Eischer defd7ae729 prune/repair index: reset in-memory index after command 
The current in-memory index becomes stale after prune or repair index
have run. Thus, just drop the in-memory index altogether once these
commands have finished.
 2024-04-14 13:46:24 +02:00
Michael Eischer 4c3218ef9f repository: include packID in StreamPack for decrypt/decompress errors 2024-02-17 19:38:01 +01:00
Michael Eischer 18b0bbbf42 repository: use fmt.Errorf in StreamPacks 2024-02-17 19:37:32 +01:00
Alexander Neumann c0514dd8ba Fix linter errors (except for tests) 2024-02-10 22:58:10 +01:00
Michael Eischer 5957417b1f Apply changelog entry / documentation improvements from review 2024-02-04 18:55:41 +01:00
Michael Eischer 86b38a0b17 rename `--no-verify-pack` to `--no-extra-verify` 2024-02-04 17:01:05 +01:00
Michael Eischer c97a271e89 repository: ask users to report corrupted data while saving blobs 2024-02-04 15:31:42 +01:00
Michael Eischer 2dbb18128c repository: Allow skipping verification for tests 
Some tests have to explicitly create pack files with blobs that don't
match their ID. For those blobs the builtin verification of the
repository must be disabled.
 2024-02-03 18:22:47 +01:00
Michael Eischer 30a84e9003 backup: verify unpacked files before upload 2024-02-03 18:22:47 +01:00