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58 Commits

Author SHA1 Message Date
Michael Eischer 47faf69230 restorer: Check dropped error 2021-01-31 18:06:28 +01:00
Alexander Weiss 5e22ae10f1 Add error handling for fileRestorer 2021-01-31 14:22:57 +01:00
Alexander Weiss 573221aa40 Add failing test for fileRestorer 2021-01-31 13:40:42 +01:00
Alexander Neumann 04ca69cc78 Address issues reported by golint 2021-01-30 20:45:57 +01:00
Alexander Neumann 0858fbf6aa Add more error handling 2021-01-30 20:19:47 +01:00
Michael Eischer 69d5b4c36b restorer: lower-case variable name 2021-01-03 13:55:59 +01:00
Alexander Weiss 34a33565c8 Fix loadBlob in filerestorer 2021-01-01 08:06:04 +01:00
Alexander Weiss 7409225fa8 Add filerestorer test where only parts of pack are used 2021-01-01 07:24:46 +01:00
Alexander Weiss 07b3f65a6f filesrestorer: Re-use buffer 2021-01-01 07:24:46 +01:00
Alexander Weiss 3e0acf1395 restore: Don't save (part of) pack in memory 2021-01-01 07:24:46 +01:00
Alexander Neumann 36c5d39c2c Fix issues reported by semgrep 2020-12-11 09:41:59 +01:00
Alexander Weiss aa7a5f19c2 Use BlobHandle in index methods 2020-11-22 20:41:12 +01:00
Alexander Weiss 92bd448691 Make BlobHandle substruct of Blob 2020-11-22 20:41:10 +01:00
Alexander Neumann 56883817d8
Merge pull request #2990 from MichaelEischer/fix-goreport-warnings 
Fix some goreport warnings
 2020-10-12 20:44:56 +02:00
Alexander Neumann c193cea119 Pass Context to NewRestorer() 2020-10-10 15:24:26 +02:00
Alexander Neumann f0d49ca600
Merge pull request #2933 from MichaelEischer/less-context-todo 
Replace most usages of context.TODO()
 2020-10-10 15:03:44 +02:00
kitone 6099f81692 Fix #1212 restore code produces inconsistent timestamps/permissions. 
Keep track of restored child status so parent and root directory not selected by filter will also restore metadata when traversing tree.
 2020-10-10 13:46:44 +02:00
kitone 9d7f616190 Improve restorer debug log information 2020-10-10 13:46:43 +02:00
kitone 295ddb9e57 Add test case for inconsistent timestamps and permissions restoration 
Reproduce from https://github.com/restic/restic/issues/1212
 2020-10-10 13:46:43 +02:00
Michael Eischer 645a6efaf2 restorer: remove redundant type specification 2020-10-09 22:37:56 +02:00
Michael Eischer 603bb0e309 restore: Use proper context while loading snapshot 2020-10-09 22:37:56 +02:00
Michael Eischer eba5dd831f Fix typos reported by misspell 2020-10-06 14:55:13 +02:00
Michael Eischer efbb850d92 Remove a few redundant type specifiers 
This is the result of running `gofmt -s -w **/*.go`
 2020-10-06 14:55:13 +02:00
greatroar 1e1a1f3078 Upgrade cespare/xxhash to 2.1.1 2020-10-05 17:25:39 +02:00
greatroar 9abef3bf1a Move internal/fs.TestChdir to internal/test.Chdir 2020-09-17 10:43:33 +02:00
Alexander Neumann 0c48e515f0
Merge pull request #2630 from MichaelEischer/fix-staticcheck 
Fix lots of small issues reported by staticcheck
 2020-09-13 16:19:22 +02:00
Michael Eischer 121233e1b3 Add preallocate tests 2020-09-07 21:41:47 +02:00
Michael Eischer 8cc9514879 restorer: pre-allocate files before loading chunks 2020-09-07 21:41:47 +02:00
Michael Eischer 2e7d475029 Process packs in order of first appearance 2020-09-06 21:25:35 +02:00
Michael Eischer 9a1b3cb5d9 restorer: Remove unused treeID struct member from test 2020-09-05 10:07:16 +02:00
aawsome 0fed6a8dfc
Use "pack file" instead of "data file" (#2885) 
- changed variable names, especially changed DataFile into PackFile
- changed in some comments
- always use "pack file" in docu
 2020-08-16 11:16:38 +02:00
Alexander Weiss 9d1fb94c6c make Lookup() return all blobs 
+ simplify syntax
 2020-07-25 21:18:34 +02:00
Alexander Weiss 91906911b0 Fix non-intuitive repository behavior 
- The SaveBlob method now checks for duplicates.
- Moves handling of pending blobs to MasterIndex.
  -> also cleans up pending index entries when they are saved in the index
  -> when using SaveBlob no need to care about index any longer
- Always check for full index and save it when storing packs.
  -> removes the need of an index uploader
  -> also removes the verbose "uploaded intermediate index" messages
- The Flush method now also saves the index
- Fix race condition when checking and saving full/non-finalized indexes
 2020-06-11 13:05:23 +02:00
greatroar de5516a90e Fix sync.WaitGroup usage in restorer.fileRestorer 2020-02-27 00:07:49 +01:00
Igor Fedorenko f17ffa0283 restorer: Allow writing target file blobs out of order 
Much simpler implementation that guarantees each required pack
is downloaded only once (and hence does not need to manage
pack cache). Also improves large file restore performance.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2020-02-26 16:14:45 +01:00
Igor Fedorenko bf9a507148 Fix rare 'file already closed' during restore 
Fixes #2183

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2019-03-16 17:01:20 +01:00
Alexander Neumann c0fca3f50a restore: Close files tested with --verify 
Before, the target files were opened once per blob and never closed,
this commit fixes that.
 2018-10-14 21:00:14 +02:00
Igor Fedorenko bda8d7722e restorer: Optimize empty file restore 
don't create fileInfo structs for empty files. this saves memory.
this also avoids extra serial scan of all fileInfo, which should
make restore faster and more consistent.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Igor Fedorenko c2bcb764cd restorer: Add a note on hardlink metadata 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Igor Fedorenko 9e24154ec9 restore: significantly reduce memory footprint 
reworked restore error callback to use file location
path instead of much heavier Node. this reduced restore
memory usage by as much as 50% in some of my tests.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Igor Fedorenko 9f3ca97ee8 restore: Chang fileInfo to use snapshot location instead of target path 
* uses less memory as common prefix is only stored once
* stepping stone for simpler error callback api, which
  will allow further memory footprint reduction

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Igor Fedorenko 32d5ceba87 restore: Fix packcache capacity math with failed downloads 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Igor Fedorenko e010f3b884 restore: Fix small memory leak in filesWriter, add tests 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:39:42 +02:00
Alexander Neumann 941202c119 restore: Rename things, match the rest of the project 2018-10-14 17:39:37 +02:00
Alexander Neumann c021ad2334 restore: Move documentation to godoc 2018-10-14 17:39:35 +02:00
Igor Fedorenko da57302fca restore: Removed legacy restore implementation 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:37:30 +02:00
Igor Fedorenko 1869930d95 restore: New optimized multithreaded implementation 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:37:30 +02:00
Igor Fedorenko 1213d8fef4 Cleanup: more realistic restorer test data setup 
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
 2018-10-14 17:37:30 +02:00
Alexander Neumann 44924ba043 restorer: Fix traverseTree 
traverseTree() was meant to call enterDir() whenever a directory is
selected for restore, either explicitly or implicitly (=contains a file
which is to be restored). After restoring a file, leaveDir() is called
in reverse order for all intermediate directories so that the metadata
can be restored.

When a directory is selected implicitly, the metadata for it is
restored. This is different from the previous restorer behavior, which
created implicitly selected intermediate directories with permissions
0700 (only user can read/write it).

This commit changes the behavior back to the old one. Only a directory
is explicitly selected for restore, enterDir()/leaveDir() are called for
it. Otherwise, only visitNode() is called, so visitNode() needs to make
sure the parent directory exists. If the directory is explicitly
included, leaveDir() will then restore the metadata correctly.

When we decide to change the behavior (restore metadata for all
intermediate directories, even if selected implicitly), we should do
that in the selection functions, not here.

This finally resolves #1870
 2018-07-21 23:24:40 +02:00
Alexander Neumann ce19f26948 restorer: Add tests for traverseTree 2018-07-21 23:24:40 +02:00