9d44127245
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.
Garage 
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Garage is a lightweight S3-compatible distributed object store, with the following goals:
- As self-contained as possible
- Easy to set up
- Highly resilient to network failures, network latency, disk failures, sysadmin failures
- Relatively simple
- Made for multi-datacenter deployments
Non-goals include:
- Extremely high performance
- Complete implementation of the S3 API
- Erasure coding (our replication model is simply to copy the data as is on several nodes, in different datacenters if possible)
Our main use case is to provide a distributed storage layer for small-scale self hosted services such as Deuxfleurs.