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* Ability to dynamically set resync tranquilityAlex Auvolat2022-09-021-7/+0
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* Abstract database behind generic interface and implement alternative drivers ↵Alex2022-06-081-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#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>
* First version of admin API (#298)Alex2022-05-241-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **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>
* First implementation of K2V (#293)Alex2022-05-101-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | **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>
* Make background tranquility a configurable parameterAlex Auvolat2022-03-231-0/+7
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* Make admin server optionalAlex Auvolat2022-03-141-2/+3
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* Refactoring: rename config files, make modifications less invasiveAlex Auvolat2022-03-141-3/+3
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* Add tracing integration with opentelemetryAlex Auvolat2022-03-141-0/+2
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* Update dependencies and add admin module with metricsmricher2022-03-141-0/+10
| | | | | | | | | | - Global dependencies updated in Cargo.lock - New module created in src/admin to host: - the (future) admin REST API - the metric collection - add configuration block No metrics implemented yet
* add support for kubernetes service discoveryMax Audron2022-03-121-0/+7
| | | | | | | | | | | | | | | | | | | | | This commit adds support to discover garage instances running in kubernetes. Once enabled by setting `kubernetes_namespace` and `kubernetes_service_name` garage will create a Custom Resources `garagenodes.deuxfleurs.fr` with nodes public key as the resource name. and IP and Port information as spec in the namespace configured by `kubernetes_namespace`. For discovering nodes the resources are filtered with the optionally set `kubernetes_service_name` which sets a label `garage.deuxfleurs.fr/service` on the resources. This allows to separate multiple garage deployments in a single namespace. the `kubernetes_skip_crd` variable allows to disable the creation of the CRD by garage itself. The user must deploy this manually.
* Make use of website config, return error document on errorAlex Auvolat2022-01-131-2/+0
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* Add compression using zstd (#173)trinity-1686a2021-12-151-0/+61
| | | | | | | | | fix #27 Co-authored-by: Trinity Pointard <trinity.pointard@gmail.com> Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/173 Co-authored-by: trinity-1686a <trinity.pointard@gmail.com> Co-committed-by: trinity-1686a <trinity.pointard@gmail.com>
* add support for vhost-style s3 bucketTrinity Pointard2021-11-161-0/+3
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* allow missing bootstrap_peers in garage.tomlTrinity Pointard2021-11-051-1/+1
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* Improve CLI, adapt tests, update documentationAlex Auvolat2021-10-251-11/+5
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* Improvements to CLI and various fixes for netapp versionAlex Auvolat2021-10-221-18/+8
| | | | Discovery via consul, persist peer list to file
* First port of Garage to NetappAlex Auvolat2021-10-221-33/+30
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* Many improvements on ring/replication and its configuration:Alex Auvolat2021-05-281-28/+18
| | | | | | | | | | | | | | | | | | | | - Explicit "replication_mode" configuration parameters that takes either "none", "2" or "3" as values, instead of letting user configure replication factor themselves. These are presets whose corresponding replication/quorum values can be found in replication/mode.rs - Explicit support for single-node and two-node deployments (number of nodes must be at least "replication_mode", with "none" we can have only one node) - Ring is now stored much more compactly with 256*8 + n*32 bytes, instead of 256*32 bytes - Support for gateway-only nodes that do not store data (these nodes still need a metadata_directory to store the list of bucket and keys since those are stored on all nodes; it also technically needs a data_directory to start but it will stay empty unless we have bugs)
* Tune Sled configurationAlex Auvolat2021-05-031-0/+14
| | | | | | | - Make sled cache size and flush interval configurable - Set less agressive default values: - cache size 128MB instead of 1GB - Flush interval 2 seconds instead of .5 seconds
* run cargo fmt on util and make missing doc warningTrinity Pointard2021-04-271-21/+21
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* document util crateTrinity Pointard2021-04-271-0/+27
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* resolve domain to multiple addressesTrinity Pointard2021-03-181-10/+17
| | | | And warn instead of failling when a domain can't be resolved
* remove domain resolution for *_bind_addrTrinity Pointard2021-03-181-16/+0
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* simplify addresse deserialialiser and limit allocationsTrinity Pointard2021-03-181-23/+7
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* add support for using domain name in configurationTrinity Pointard2021-03-181-1/+52
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* Remove epidemic propagation for fully replicated stuff: write directly to ↵Alex Auvolat2021-03-051-5/+5
| | | | all nodes
* Build path correctlyQuentin2020-11-111-0/+1
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* Extract bucketQuentin2020-11-101-1/+2
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* Skeleton to the new web APIQuentin2020-11-021-1/+1
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* Add "web" configuration entryQuentin2020-10-311-0/+7
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* Add automatic peer discovery from ConsulAlex Auvolat2020-06-301-0/+2
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* Rename epidemic_factor to epidemic_fanout (that's what it is); complete conf ↵Alex Auvolat2020-06-301-3/+3
| | | | example in readme
* Starting to be S3 compatibleAlex Auvolat2020-04-241-1/+8
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* Split code for modular compilationAlex Auvolat2020-04-241-0/+66
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