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2082 Commits

Author SHA1 Message Date
Michael Eischer
512cd6ef07 retry: ensure that there's always at least one retry 
Previously, if an operation failed after 15 minutes, then it would never
be retried. This means that large backend requests are more unreliable
than smaller ones.
 2024-05-24 20:24:02 +02:00
Michael Eischer
a60ee9b764 retry: limit retries based on elapsed time not count 
Depending on how long an operation takes to fail, the total retry
duration can currently vary between 1.5 and 15 minutes. In particular
for temporarily interrupted network connections, the former timeout is
too short. Thus always use a limit of 15 minutes.
 2024-05-24 20:24:02 +02:00
Michael Eischer
a3633cad9e retry: explicitly log failed requests 
This simplifies finding the request in the log output that cause an
operation to fail.
 2024-05-24 20:24:02 +02:00
greatroar
66d03c797e ui, termstatus: Move WrapStdio 
Saves some imports. ui still needs to import ui/termstatus from
message.go.
 2024-05-21 11:25:16 +02:00
greatroar
0b56214473 ui: Simplify stdio wrapper 
The StdioWrapper type is really just a pair of io.WriteClosers, so
remove it in favor of a function that returns two of those. Test
coverage increases because the removed code was not tested.
 2024-05-21 11:23:32 +02:00
greatroar
7f439a9c34 ui: Inline lineWriter into StdioWrapper 2024-05-21 11:00:09 +02:00
Michael Eischer
c56ecec9aa azure: deduplicate cli and default credentials case 2024-05-18 22:15:54 +02:00
Maik Riechert
355f520936 Azure: add option to force use of CLI credential 2024-05-18 22:15:54 +02:00
Michael Eischer
223aa22cb0 replace some uses of restic.Repository with finegrained interfaces 2024-05-18 21:42:51 +02:00
Michael Eischer
291c9677de restic/repository: remove Backend() method 2024-05-18 21:42:51 +02:00
Michael Eischer
673496b091 repository: clean cache between CheckPack retries 
The cache cleanup pattern is also used in ListPack etc.
 2024-05-18 21:42:51 +02:00
Michael Eischer
3d2410ed50 Replace some repo.RemoveUnpacked usages 
These will eventually be blocked as they do not delete Snapshots.
 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
8a425c2f0a remove usages of repo.Backend() from tests 2024-05-18 21:42:51 +02:00
Michael Eischer
aa4647f773 repository: unexport PackBlobIterator 2024-05-18 21:42:51 +02:00
Michael Eischer
94e863885c check: move verification of individual pack file to repository 2024-05-18 21:42:50 +02:00
Michael Eischer
e40943a75d restic: remove backend usage from lock test 2024-05-18 21:38:31 +02:00
Michael Eischer
67e2ba0d40 repository: Lock requires *repository.Repository 
This allows the Lock function to access the backend, even once the
Backend method is removed from the interface.
 2024-05-18 21:38:31 +02:00
Michael Eischer
d8b184b3d3 repository: convert test helper to return *repository.Repository 2024-05-18 21:38:31 +02:00
Michael Eischer
a1ca5e15c4 migrations: add temporary hack for s3_layout 
The migration will be removed after the next restic release anyways.
Thus, there's no need for a clean implementation.
 2024-05-18 21:38:31 +02:00
Michael Eischer
34d90aecf9 migrations: move logic of upgrade_repo_v2 to repository package 
The migration modifies repository internals and thus should live within
the repository package.
 2024-05-18 21:38:31 +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
0c1ba6d95d backend: remove unused Location method 2024-05-18 21:38:31 +02:00
Michael Eischer
74d90653e0 check: use ReadFull to load pack header in checkPack 
This ensures that the pack header is actually read completely.
Previously, for a truncated file it was possible to only read a part of
the header, as backend.Load(...) is not guaranteed to return as many
bytes as requested by the length parameter.
 2024-05-18 21:28:54 +02:00
Michael Eischer
8f8d872a68 fix compatibility with go 1.19 2024-05-18 21:28:54 +02:00
Michael Eischer
ff0744b3af check: test checkPack retries 2024-05-18 21:28:54 +02:00
Michael Eischer
987c3b250c repository: test retries of ListPack 2024-05-18 21:28:54 +02:00
Michael Eischer
bf16096771 repository: test LoadBlob retries 2024-05-18 21:28:54 +02:00
Michael Eischer
4f45668b7c repository: rework and extend LoadRaw tests 2024-05-18 21:28:54 +02:00
Michael Eischer
ac805d6838 cache: cleanup debug logs 2024-05-18 21:28:54 +02:00
Michael Eischer
5214af88e2 cache: test forget behavior 2024-05-18 21:28:54 +02:00
Michael Eischer
3ff063e913 check: verify pack a second time if broken 2024-05-18 21:28:54 +02:00
Michael Eischer
385cee09dc repository: fix caching of tree packs in LoadBlobsFromPack 2024-05-18 21:28:54 +02:00
Michael Eischer
e734746f75 cache: forget cached file at most once 
This is inspired by the circuit breaker pattern used for distributed
systems. If too many requests fails, then it is better to immediately
fail new requests for a limited time to give the backend time to
recover.

By only forgetting a file in the cache at most once, we can ensure that
a broken file is only retrieved once again from the backend. If the file
stored there is broken, previously it would be cached and deleted
continuously. Now, it is retrieved only once again, all later requests
just use the cached copy and either succeed or fail immediately.
 2024-05-18 21:28:54 +02:00
Michael Eischer
97a307df1a cache: Always use cached file if it exists 
A file is always cached whole. Thus, any out of bounds access will also
fail when directed at the backend. To handle case in which the cached
file is broken, then caller must call Cache.Forget(h) for the file in
question.
 2024-05-18 21:28:54 +02:00
Michael Eischer
433a6aad29 repository: remove redundant blob loading fallback from RepairPacks 
LoadBlobsFromPack already implements the same fallback behavior.
 2024-05-18 21:28:54 +02:00
Michael Eischer
e401af07b2 check: fix error message formatting 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
2ace242f36 repository: make reloading broken files explicit 2024-05-18 21:28:54 +02:00
Michael Eischer
e9390352a7 cache: code cleanups 2024-05-18 21:26:00 +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
779c8d3527 debug/repair packs/upgrade repo v2: use repository.LoadRaw 
This replaces calling the low-level backend.Load() method.
 2024-05-18 21:26:00 +02:00
Michael Eischer
1d6d3656b0 repository: move backend.LoadAll to repository.LoadRaw 
LoadRaw also includes improved context cancellation handling similar to the
implementation in repository.LoadUnpacked.

The removed cache backend test will be added again later on.
 2024-05-18 21:26:00 +02:00
Michael Eischer
47232bf8b0 backend: move LimitReadCloser to util package 
The helper is only intended for usage by backend implementations.
 2024-05-18 21:26:00 +02:00
Michael Eischer
53d15bcd1b retry: add circuit breaker to load method 
If a file exhausts its retry attempts, then it is likely not accessible
the next time. Thus, immediately fail all load calls for that file to
avoid useless retries.
 2024-05-18 19:59:26 +02:00
Michael Eischer
394c8ca3ed rest/rclone/s3/sftp/swift: move short file detection behind feature gate 
These backends tend to use a large variety of server implementations.
Some of those implementations might prove problematic with the new
checks.
 2024-05-18 19:59:26 +02:00
Michael Eischer
6328b7e1f5 replace "too small" with "too short" in error messages 2024-05-18 19:59:26 +02:00
Michael Eischer
aeb7eb245c retry: do not retry permanent errors 
This is currently gated behind a feature flag as some unexpected
interactions might show up in the wild.
 2024-05-18 19:59:26 +02:00
Michael Eischer
bf8cc59889 Use generic backend-error-redesign feature flag instead of http-timeouts 
An individual flag for each change of the backend error handling would
be too finegrained. Thus, add a generic flag.
 2024-05-18 19:54:52 +02:00
Michael Eischer
4740528a0b backend: add tests for IsPermanentError 2024-05-18 19:54:52 +02:00
Michael Eischer
6a85df7297 backend: add IsPermanentError() method to interface 2024-05-18 19:54:52 +02:00
Michael Eischer
cfc420664a mem: stricter handling of out of bounds requests 2024-05-18 19:54:52 +02:00
Michael Eischer
d40f23e716 azure/b2/gs/s3/swift: adapt cloud backend 2024-05-18 19:54:51 +02:00
Michael Eischer
e793c002ec local: stricter handling of short files 2024-05-18 19:54:21 +02:00
Michael Eischer
b4895ebd76 rest: rework error reporting and report too short files 2024-05-18 19:54:21 +02:00
Michael Eischer
eaa3f81d6b sftp: check for truncated files without an extra backend request 2024-05-18 19:54:21 +02:00
Michael Eischer
c6d74458ee sftp: improve handling of too short files 2024-05-18 19:54:21 +02:00
Michael Eischer
7ed560a201
Merge pull request #4796 from MichaelEischer/parallel-dump-load 
dump: Parallelize loading large files
 2024-05-14 22:35:44 +02:00
Michael Eischer
92221c2a6d
Merge pull request #4708 from zmanda/windows-securitydesc 
Back up and restore SecurityDescriptors on Windows
 2024-05-12 14:14:39 +00:00
Michael Eischer
b5fdb1d637
Merge pull request #4782 from MichaelEischer/fix-sftp-performance 
Fix sftp upload performance
 2024-05-12 15:28:33 +02:00
Michael Eischer
ebd01a4675 backend: add tests for watchdogRoundTripper 2024-05-09 23:46:17 +02:00
Michael Eischer
8778670232 backend: cancel stuck http requests 
requests that make no upload or download progress within a timeout are
canceled.
 2024-05-09 23:46:17 +02:00
Michael Eischer
0987c731ec backend: configure protocol-level connection health checks 
This should detect a connection that is stuck for more than 2 minutes.
 2024-05-09 23:46:17 +02:00
aneesh-n
a4fd1b91e5
Fix review comments 
Change lowerPrivileges from bool to atomic.Bool.
Add missing cleanup from upstream go-winio.
Add handling for ERROR_NOT_ALL_ASSIGNED warning.
 2024-05-06 16:54:08 -06:00
Michael Eischer
4d55a62ada bloblru: add test for GetOrCompute 2024-05-05 12:00:25 +02:00
Michael Eischer
7cce667f92 fuse: switch to use bloblru.GetOrCompute 2024-05-05 11:38:42 +02:00
Michael Eischer
bd03af2feb dump: add GetOrCompute to bloblru cache 2024-05-05 11:38:42 +02:00
Michael Eischer
45509eafc8 dump: load blobs of a file from repository in parallel 2024-05-05 11:38:42 +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
aneesh-n
672f6cd776
Fix review comments for privileges and security flags 2024-04-29 17:29:51 -06:00
aneesh-n
08c6945d61
Fix review comments 2024-04-29 16:21:38 -06:00
Aneesh N
3f76b902e5
Merge branch 'master' into windows-securitydesc 2024-04-29 14:40:34 -06:00
DRON-666
125dba23c5 Rearange code 2024-04-29 01:27:34 +03:00
DRON-666
7ee889bb0d Use S_FALSE and MaxInt 2024-04-29 01:25:25 +03:00
DRON-666
90b168eb6c isMountPointExcluded to isMountPointIncluded 2024-04-29 01:23:50 +03:00
DRON-666
24330c19a8 Use kebab case in option names 2024-04-29 01:21:33 +03:00
DRON-666
5703e5a652 Fix texts and comments 2024-04-29 01:18:46 +03:00
DRON-666
0a8f9c5d9c vss: Add tests for "provider" option 2024-04-28 22:45:21 +03:00
DRON-666
bb0f93ef3d vss: Add "provider" option 2024-04-28 22:45:21 +03:00
DRON-666
3bac1f0135 vss: Fix issues reported by linters 2024-04-28 22:45:21 +03:00
DRON-666
88c509e3e9 vss: Change ErrorHandler signature 
We don't need `error` here: the only existing implementation
of `ErrorHandler` always call `Backup.Error` and all
implementations of `Backup.Error` always return nil.
 2024-04-28 22:44:16 +03:00
DRON-666
9d3d915e2c vss: Add some tests 2024-04-28 22:44:16 +03:00
DRON-666
c4f67c0064 vss: Add volume filtering 
Add options to exclude all mountpoints and arbitrary volumes from snapshotting.
 2024-04-28 22:44:15 +03:00
DRON-666
7470e5356e vss: Add "timeout" option 
Changing multiple "callAsyncFunctionAndWait" with fixed timeout
to calculated timeout based on deadline.
 2024-04-28 22:44:15 +03:00
DRON-666
78dbc5ec58 vss: Add initial support for extended options 2024-04-28 22:44:15 +03:00
Michael Eischer
935327d480 sftp: slightly increase write concurrency 
This should increase upload throughput for high latency links a bit.
 2024-04-28 11:50:09 +02:00
Michael Eischer
669a669603 sftp: Fix upload performance issue 
Since pkg/sftp 1.13.0 files were uploaded sequentially using 32kb chunks
instead of sending 64 chunks in parallel.
 2024-04-28 11:48:26 +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
2e6c43c695
Merge pull request #4761 from MichaelEischer/fix-cache-race 
cache: ignore ErrNotExist during cleanup of old files
 2024-04-22 21:46:06 +02:00
Michael Eischer
f7632de3d6
Merge pull request #4772 from MichaelEischer/better-error-on-too-large-blob 
repository: Better error message if blob is larger than 4GB
 2024-04-22 21:45:06 +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