Finish writing about Garage features, and fix from-source instructions
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@ -5,12 +5,14 @@ weight = 25
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## Configuring a bucket for website access
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There are two methods to expose buckets as website:
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There are three methods to expose buckets as website:
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1. using the PutBucketWebsite S3 API call, which is allowed for access keys that have the owner permission bit set
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2. from the Garage CLI, by an adminstrator of the cluster
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3. using the Garage administration API
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The `PutBucketWebsite` API endpoint [is documented](https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketWebsite.html) in the official AWS docs.
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This endpoint can also be called [using `aws s3api`](https://docs.aws.amazon.com/cli/latest/reference/s3api/put-bucket-website.html) on the command line.
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The website configuration supported by Garage is only a subset of the possibilities on Amazon S3: redirections are not supported, only the index document and error document can be specified.
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@ -20,57 +20,76 @@ sudo apt-get update
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sudo apt-get install build-essential
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```
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## Using source from the Gitea repository (recommended)
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## Building from source from the Gitea repository
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The primary location for Garage's source code is the
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[Gitea repository](https://git.deuxfleurs.fr/Deuxfleurs/garage).
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[Gitea repository](https://git.deuxfleurs.fr/Deuxfleurs/garage),
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which contains all of the released versions as well as the code
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for the developpement of the next version.
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Clone the repository and build Garage with the following commands:
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Clone the repository and enter it as follows:
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```bash
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git clone https://git.deuxfleurs.fr/Deuxfleurs/garage.git
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cd garage
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cargo build
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```
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Be careful, as this will make a debug build of Garage, which will be extremely slow!
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To make a release build, invoke `cargo build --release` (this takes much longer).
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The binaries built this way are found in `target/{debug,release}/garage`.
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## Using source from `crates.io`
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Garage's source code is published on `crates.io`, Rust's official package repository.
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This means you can simply ask `cargo` to download and build this source code for you:
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If you wish to build a specific version of Garage, check out the corresponding tag. For instance:
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```bash
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cargo install garage
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git tag # List available tags
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git checkout v0.8.0 # Change v0.8.0 with the version you wish to build
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```
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That's all, `garage` should be in `$HOME/.cargo/bin`.
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Otherwise you will be building a developpement build from the `main` branch
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that includes all of the changes to be released in the next version.
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Be careful that such a build might be unstable or contain bugs,
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and could be incompatible with nodes that run stable versions of Garage.
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You can add this folder to your `$PATH` or copy the binary somewhere else on your system.
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For instance:
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Finally, build Garage with the following command:
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```bash
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sudo cp $HOME/.cargo/bin/garage /usr/local/bin/garage
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cargo build --release
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```
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The binary built this way can now be found in `target/release/garage`.
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You may simply copy this binary to somewhere in your `$PATH` in order to
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have the `garage` command available in your shell, for instance:
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## Selecting features to activate in your build
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```bash
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sudo cp target/release/garage /usr/local/bin/garage
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```
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Garage supports a number of compilation options in the form of Cargo features,
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If you are planning to develop Garage,
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you might be interested in producing debug builds, which compile faster but run slower:
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this can be done by removing the `--release` flag, and the resulting build can then
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be found in `target/debug/garage`.
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## List of available Cargo feature flags
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Garage supports a number of compilation options in the form of Cargo feature flags,
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which can be used to provide builds adapted to your system and your use case.
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The following features are available:
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To produce a build with a given set of features, invoke the `cargo build` command
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as follows:
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| Feature | Enabled | Description |
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| ------- | ------- | ----------- |
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| `bundled-libs` | BY DEFAULT | Use bundled version of sqlite3, zstd, lmdb and libsodium |
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| `system-libs` | optional | Use system version of sqlite3, zstd, lmdb and libsodium if available (exclusive with `bundled-libs`, build using `cargo build --no-default-features --features system-libs`) |
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| `k2v` | optional | Enable the experimental K2V API (if used, all nodes on your Garage cluster must have it enabled as well) |
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| `kubernetes-discovery` | optional | Enable automatic registration and discovery of cluster nodes through the Kubernetes API |
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| `metrics` | BY DEFAULT | Enable collection of metrics in Prometheus format on the admin API |
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```bash
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# This will build the default feature set plus feature1, feature2 and feature3
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cargo build --release --features feature1,feature2,feature3
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# This will build ONLY feature1, feature2 and feature3
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cargo build --release --no-default-features \
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--features feature1,feature2,feature3
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```
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The following feature flags are available in v0.8.0:
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| Feature flag | Enabled | Description |
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| ------------ | ------- | ----------- |
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| `bundled-libs` | *by default* | Use bundled version of sqlite3, zstd, lmdb and libsodium |
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| `system-libs` | optional | Use system version of sqlite3, zstd, lmdb and libsodium<br>if available (exclusive with `bundled-libs`, build using<br>`cargo build --no-default-features --features system-libs`) |
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| `k2v` | optional | Enable the experimental K2V API (if used, all nodes on your<br>Garage cluster must have it enabled as well) |
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| `kubernetes-discovery` | optional | Enable automatic registration and discovery<br>of cluster nodes through the Kubernetes API |
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| `metrics` | *by default* | Enable collection of metrics in Prometheus format on the admin API |
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| `telemetry-otlp` | optional | Enable collection of execution traces using OpenTelemetry |
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| `sled` | BY DEFAULT | Enable using Sled to store Garage's metadata |
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| `sled` | *by default* | Enable using Sled to store Garage's metadata |
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| `lmdb` | optional | Enable using LMDB to store Garage's metadata |
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| `sqlite` | optional | Enable using Sqlite3 to store Garage's metadata |
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@ -26,6 +26,11 @@ a storage plan that best exploits the available storage capacity while satisfyin
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To learn more about geo-distributed Garage clusters,
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read our documentation on [setting up a real-world deployment](@/documentation/cookbook/real-world.md).
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### Standalone/self-contained
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Garage is extremely simple to deploy, and does not depend on any external service to run.
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This makes setting up and administering storage clusters, we hope, as easy as it could be.
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### Flexible topology
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A Garage cluster can very easily evolve over time, as storage nodes are added or removed.
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@ -46,7 +51,7 @@ This is particularly usefull when nodes are far from one another and talk to one
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### Several replication modes
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Garage supports a variety of replication modes, with 1 copy, 2 copies or 3 copies of your data,
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and with various levels of consistency.
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and with various levels of consistency, in order to adapt to a variety of usage scenarios.
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Read our reference page on [supported replication modes](@/documentation/reference-manual/configuration.md#replication-mode)
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to select the replication mode best suited to your use case (hint: in most cases, `replication_mode = "3"` is what you want).
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@ -54,32 +59,67 @@ to select the replication mode best suited to your use case (hint: in most cases
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A storage bucket can easily be configured to be served directly by Garage as a static web site.
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Domain names for multiple websites directly map to bucket names, making it easy to build
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a platform for your user's to autonomously build and host their websites over Garage.
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a platform for your users to autonomously build and host their websites over Garage.
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Surprisingly, none of the other alternative S3 implementations we surveyed (such as Minio
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or CEPH) support publishing static websites from S3 buckets, a feature that is however
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directly inherited from S3 on AWS.
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Read more on our [dedicated documentation page](@/documentation/cookbook/exposing-websites.md).
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### Bucket names as aliases
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- the same bucket may have multiple names (useful when exposing websites for example)
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In Garage, a bucket may have several names, known as aliases.
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Aliases can easily be added and removed on demand:
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this allows to easily rename buckets if needed
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without having to copy all of their content, something that cannot be done on AWS.
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For buckets served as static websites, having multiple aliases for a bucket can allow
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exposing the same content under different domain names.
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- bucket renaming is possible
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Garage also supports bucket aliases which are local to a single user:
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this allows different users to have different buckets with the same name, thus avoiding naming collisions.
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This can be helpfull for instance if you want to write an application that creates per-user buckets with always the same name.
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- Scoped buckets: 2 users can have a different bucket with the same name -> avoid collision. Helpful if you want to write an application that creates per-user bucket always with the same name.
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### Standalone/self contained
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### Integration with Kubernetes and Nomad
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Many node discovery methods: Kubernetes integration, Nomad integration through Consul
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### Support for changing IP addresses
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(as long as all nodes don't change their IP at the same time)
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This feature is totally invisible to S3 clients and does not break compatibility with AWS.
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### Cluster administration API
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Garage provides a fully-fledged REST API to administer your cluster programatically.
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Functionnality included in the admin API include: setting up and monitoring
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cluster nodes, managing access credentials, and managing storage buckets and bucket aliases.
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A full reference of the administration API is available [here](@/documentation/reference-manual/admin-api.md).
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### Metrics and traces
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### (experimental) K2V API
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Garage makes some internal metrics available in the Prometheus data format,
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which allows you to build interactive dashboards to visualize the load and internal state of your storage cluster.
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For developpers and performance-savvy administrators,
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Garage also supports exporting traces of what it does internally in OpenTelemetry format.
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This allows to monitor the time spent at various steps of the processing of requests,
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in order to detect potential performance bottlenecks.
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### Kubernetes and Nomad integrations
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Garage can automatically discover other nodes in the cluster thanks to integration
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with orchestrators such as Kubernetes and Nomad (when used with Consul).
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This eases the configuration of your cluster as it removes one step where nodes need
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to be manually connected to one another.
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### Support for changing IP addresses
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As long as all of your nodes don't thange their IP address at the same time,
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Garage should be able to tolerate nodes with changing/dynamic IP addresses,
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as nodes will regularly exchange the IP addresses of their peers and try to
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reconnect using newer addresses when existing connections are broken.
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### K2V API (experimental)
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As part of an ongoing research project, Garage can expose an experimental key/value storage API called K2V.
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K2V is made for the storage and retrieval of many small key/value pairs that need to be processed in bulk.
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This completes the S3 API with an alternative that can be used to easily store and access metadata
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related to objects stored in an S3 bucket.
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In the context of our research project, [Aérogramme](https://aerogramme.deuxfleurs.fr),
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K2V is used to provide metadata and log storage for operations on encrypted e-mail storage.
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Learn more on the specification of K2V [here](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/k2v/doc/drafts/k2v-spec.md)
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and on how to enable it in Garage [here](@/documentation/reference-manual/k2v.md).
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