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* Abstract database behind generic interface and implement alternative drivers ↵Alex2022-06-0839-413/+2362
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#322) - [x] Design interface - [x] Implement Sled backend - [x] Re-implement the SledCountedTree hack ~~on Sled backend~~ on all backends (i.e. over the abstraction) - [x] Convert Garage code to use generic interface - [x] Proof-read converted Garage code - [ ] Test everything well - [x] Implement sqlite backend - [x] Implement LMDB backend - [ ] (Implement Persy backend?) - [ ] (Implement other backends? (like RocksDB, ...)) - [x] Implement backend choice in config file and garage server module - [x] Add CLI for converting between DB formats - Exploit the new interface to put more things in transactions - [x] `.updated()` trigger on Garage tables Fix #284 **Bugs** - [x] When exporting sqlite, trees iterate empty?? - [x] LMDB doesn't work **Known issues for various back-ends** - Sled: - Eats all my RAM and also all my disk space - `.len()` has to traverse the whole table - Is actually quite slow on some operations - And is actually pretty bad code... - Sqlite: - Requires a lock to be taken on all operations. The lock is also taken when iterating on a table with `.iter()`, and the lock isn't released until the iterator is dropped. This means that we must be VERY carefull to not do anything else inside a `.iter()` loop or else we will have a deadlock! Most such cases have been eliminated from the Garage codebase, but there might still be some that remain. If your Garage-over-Sqlite seems to hang/freeze, this is the reason. - (adapter uses a bunch of unsafe code) - Heed (LMDB): - Not suited for 32-bit machines as it has to map the whole DB in memory. - (adpater uses a tiny bit of unsafe code) **My recommendation:** avoid 32-bit machines and use LMDB as much as possible. **Converting databases** is actually quite easy. For example from Sled to LMDB: ```bash cd src/db cargo run --features cli --bin convert -- -i path/to/garage/meta/db -a sled -o path/to/garage/meta/db.lmdb -b lmdb ``` Then, just add this to your `config.toml`: ```toml db_engine = "lmdb" ``` Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/322 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* Fix Content-Type headers for {admin,k2v} errors and admin responsesfix/admin-api-content-typeAlex Auvolat2022-05-258-43/+30
| | | | Fix #315
* K2V client improvements (#307)v0.7.2Alex2022-05-244-4/+61
| | | | | | | | | | | - [x] Better distinguish error types - [x] Parse error messages received from server - [x] Remove `src/` folder layer, we don't have that for other crates Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/307 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* First version of admin API (#298)Alex2022-05-2460-857/+2551
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **Spec:** - [x] Start writing - [x] Specify all layout endpoints - [x] Specify all endpoints for operations on keys - [x] Specify all endpoints for operations on key/bucket permissions - [x] Specify all endpoints for operations on buckets - [x] Specify all endpoints for operations on bucket aliases View rendered spec at <https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/admin-api/doc/drafts/admin-api.md> **Code:** - [x] Refactor code for admin api to use common api code that was created for K2V **General endpoints:** - [x] Metrics - [x] GetClusterStatus - [x] ConnectClusterNodes - [x] GetClusterLayout - [x] UpdateClusterLayout - [x] ApplyClusterLayout - [x] RevertClusterLayout **Key-related endpoints:** - [x] ListKeys - [x] CreateKey - [x] ImportKey - [x] GetKeyInfo - [x] UpdateKey - [x] DeleteKey **Bucket-related endpoints:** - [x] ListBuckets - [x] CreateBucket - [x] GetBucketInfo - [x] DeleteBucket - [x] PutBucketWebsite - [x] DeleteBucketWebsite **Operations on key/bucket permissions:** - [x] BucketAllowKey - [x] BucketDenyKey **Operations on bucket aliases:** - [x] GlobalAliasBucket - [x] GlobalUnaliasBucket - [x] LocalAliasBucket - [x] LocalUnaliasBucket **And also:** - [x] Separate error type for the admin API (this PR includes a quite big refactoring of error handling) - [x] Add management of website access - [ ] Check that nothing is missing wrt what can be done using the CLI - [ ] Improve formatting of the spec - [x] Make sure everyone is cool with the API design Fix #231 Fix #295 Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/298 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* Add a K2V client library and CLI (#303)trinity-1686a2022-05-1810-29/+1138
| | | | | | | | | lib.rs could use getting split in modules, but I'm not sure how exactly Co-authored-by: trinity-1686a <trinity@deuxfleurs.fr> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/303 Co-authored-by: trinity-1686a <trinity.pointard@gmail.com> Co-committed-by: trinity-1686a <trinity.pointard@gmail.com>
* K2V: Fix `end` parameter and add tests (fix #305)fix-k2v-305Alex Auvolat2022-05-172-2/+93
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* Make background runner terminate correctlyAlex Auvolat2022-05-171-15/+22
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* First implementation of K2V (#293)Alex2022-05-1078-1141/+5520
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **Specification:** View spec at [this URL](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/k2v/doc/drafts/k2v-spec.md) - [x] Specify the structure of K2V triples - [x] Specify the DVVS format used for causality detection - [x] Specify the K2V index (just a counter of number of values per partition key) - [x] Specify single-item endpoints: ReadItem, InsertItem, DeleteItem - [x] Specify index endpoint: ReadIndex - [x] Specify multi-item endpoints: InsertBatch, ReadBatch, DeleteBatch - [x] Move to JSON objects instead of tuples - [x] Specify endpoints for polling for updates on single values (PollItem) **Implementation:** - [x] Table for K2V items, causal contexts - [x] Indexing mechanism and table for K2V index - [x] Make API handlers a bit more generic - [x] K2V API endpoint - [x] K2V API router - [x] ReadItem - [x] InsertItem - [x] DeleteItem - [x] PollItem - [x] ReadIndex - [x] InsertBatch - [x] ReadBatch - [x] DeleteBatch **Testing:** - [x] Just a simple Python script that does some requests to check visually that things are going right (does not contain parsing of results or assertions on returned values) - [x] Actual tests: - [x] Adapt testing framework - [x] Simple test with InsertItem + ReadItem - [x] Test with several Insert/Read/DeleteItem + ReadIndex - [x] Test all combinations of return formats for ReadItem - [x] Test with ReadBatch, InsertBatch, DeleteBatch - [x] Test with PollItem - [x] Test error codes - [ ] Fix most broken stuff - [x] test PollItem broken randomly - [x] when invalid causality tokens are given, errors should be 4xx not 5xx **Improvements:** - [x] Descending range queries - [x] Specify - [x] Implement - [x] Add test - [x] Batch updates to index counter - [x] Put K2V behind `k2v` feature flag Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/293 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* Update netapp to 0.4.4, fix #300v0.7.1netapp-0.4.4Alex Auvolat2022-05-091-1/+1
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* Fix `layout show` to not show changes when there are no changes (#297)Alex2022-05-092-5/+22
| | | | | | | | | fixes #295, partially Co-authored-by: Alex Auvolat <alex@adnab.me> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/297 Co-authored-by: Alex <alex@adnab.me> Co-committed-by: Alex <alex@adnab.me>
* fix clippyfix-multipart-fragmentationAlex Auvolat2022-04-191-1/+1
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* Prettier code for defragmentationAlex Auvolat2022-04-191-104/+102
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* Defragmentation in UploadPartCopy: first pass (not pretty but it compiles)Alex Auvolat2022-04-191-63/+122
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* remove size limitation in UploadPartCopy (#280)withinboredom2022-04-191-12/+0
| | | | | | | | | | | This removes the >1mb s3_copy restriction. This restriction doesn't seem to be documented anywhere (I could be wrong). It also causes some software to fail (such as #248). Co-authored-by: Rob Landers <landers.robert@gmail.com> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/280 Co-authored-by: withinboredom <landers.robert@gmail.com> Co-committed-by: withinboredom <landers.robert@gmail.com>
* Add missing opentelemetry featuresAlex Auvolat2022-04-081-1/+1
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* Update to netapp 0.4.2 (a tiny fix)Alex Auvolat2022-04-074-4/+4
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* Bring maximum exponential backoff time down from 16h to 1hAlex Auvolat2022-04-071-1/+5
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* New replication modes and their documentationfeature/documentationAlex Auvolat2022-03-281-4/+13
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* fix a clippy lintAlex Auvolat2022-03-281-1/+1
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* Add blocks in errored state to `garage stats`Alex Auvolat2022-03-282-0/+11
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* Log admin GET requests at debug level instead of infoAlex Auvolat2022-03-281-1/+1
| | | | to reduce noise in logs
* Add feature flag for Kubernetes discoveryAlex Auvolat2022-03-246-79/+108
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* Make layout optimization work in relative termsbug/layoutAlex Auvolat2022-03-241-9/+14
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* Allow `garage layout assign` to assign to several nodes at onceAlex Auvolat2022-03-242-46/+56
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* Slight change and add comment to layout assignation algoAlex Auvolat2022-03-241-37/+33
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* Small change to partition assignation algorithmAlex Auvolat2022-03-242-9/+37
| | | | | | This change helps ensure that nodes for each partition are spread over all datacenters, a property that wasn't ensured previously when going from a 2 DC deployment to a 3 DC deployment
* Add lots of comments on how the resync queue worksAlex Auvolat2022-03-231-5/+96
| | | | (I don't really want to change/refactor that code though)
* ClippyAlex Auvolat2022-03-232-5/+5
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* Make background tranquility a configurable parameterAlex Auvolat2022-03-234-16/+25
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* Move block RC code to separate `rc.rs`Alex Auvolat2022-03-233-136/+175
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* Move DataBlock out of manager.rsAlex Auvolat2022-03-234-81/+86
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* Move block manager to separate moduleAlex Auvolat2022-03-2311-41/+64
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* cleanuptrinity-1686a2022-03-231-19/+4
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* add test for create bucket and put website with streaming signaturetrinity-1686a2022-03-231-0/+84
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* add test framework for arbitraty S3 requeststrinity-1686a2022-03-2312-16/+409
| | | | and implement some basic test with it
* garage_api: Update streaming payload stream unit testsKokaKiwi2022-03-231-1/+1
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* garage_api: Handle streaming payload early in request handlingKokaKiwi2022-03-233-57/+61
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* Update netapp to v0.4.1update-netappAlex Auvolat2022-03-154-4/+4
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* Fix some new clippy lintsfix-resyncAlex Auvolat2022-03-1414-37/+22
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* Add comment for fsyncAlex Auvolat2022-03-141-0/+5
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* Fix resync queue to not drop itemsAlex Auvolat2022-03-141-16/+21
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* Spawn a single resync workerAlex Auvolat2022-03-141-11/+7
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* Add appropriate fsync() calls in write_blockAlex Auvolat2022-03-141-2/+13
| | | | to ensure that data is persisted properly
* Implement exponential backoff for resync retriesfeature/opentelemetrybug/resync-exponential-backoffAlex Auvolat2022-03-143-5/+106
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* Make admin server optionalAlex Auvolat2022-03-142-8/+15
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* Add wrapper over sled tree to count items (used for big queues)Alex Auvolat2022-03-148-7/+118
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* Bump version to 0.7 because of incompatible NetappAlex Auvolat2022-03-149-31/+31
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* Add spans to table calls, change span names in RPCAlex Auvolat2022-03-143-11/+54
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* add missing netapp telemetry featureAlex Auvolat2022-03-142-2/+3
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* Refactoring: rename config files, make modifications less invasiveAlex Auvolat2022-03-144-144/+158
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