First version of admin API (#298)

**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>

1 files changed, 8 insertions, 20 deletions

diff --git a/Cargo.lock b/Cargo.lock
index a4476273..fcf3030a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -888,21 +888,23 @@ dependencies = [
  "chrono",
  "futures",
  "futures-util",
- "garage_admin",
  "garage_api",
  "garage_model 0.7.0",
  "garage_rpc 0.7.0",
  "garage_table 0.7.0",
  "garage_util 0.7.0",
  "garage_web",
- "git-version",
  "hex",
  "hmac 0.10.1",
  "http",
  "hyper",
  "kuska-sodiumoxide",
  "netapp 0.4.4",
+ "opentelemetry",
+ "opentelemetry-otlp",
+ "opentelemetry-prometheus",
  "pretty_env_logger",
+ "prometheus",
  "rand 0.8.5",
  "rmp-serde 0.15.5",
  "serde",
@@ -918,23 +920,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "garage_admin"
-version = "0.7.0"
-dependencies = [
- "futures",
- "futures-util",
- "garage_util 0.7.0",
- "hex",
- "http",
- "hyper",
- "opentelemetry",
- "opentelemetry-otlp",
- "opentelemetry-prometheus",
- "prometheus",
- "tracing",
-]
-
-[[package]]
 name = "garage_api"
 version = "0.7.0"
 dependencies = [
@@ -963,8 +948,11 @@ dependencies = [
  "multer",
  "nom",
  "opentelemetry",
+ "opentelemetry-otlp",
+ "opentelemetry-prometheus",
  "percent-encoding",
  "pin-project 1.0.10",
+ "prometheus",
  "quick-xml",
  "roxmltree",
  "serde",
@@ -1089,9 +1077,9 @@ dependencies = [
  "bytes 1.1.0",
  "futures",
  "futures-util",
- "garage_admin",
  "garage_util 0.7.0",
  "gethostname",
+ "git-version",
  "hex",
  "hyper",
  "k8s-openapi",