forked from Deuxfleurs/garage
admin api: change cluster status/layout to use lists and not maps (fix #377)
This commit is contained in:
parent
187240e539
commit
52376d47ca
3 changed files with 175 additions and 75 deletions
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@ -56,7 +56,7 @@ See `/v0/health` for an API that also returns JSON output.
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### Cluster operations
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#### GetClusterStatus `GET /v0/status`
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#### GetClusterStatus `GET /v1/status`
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Returns the cluster's current status in JSON, including:
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@ -70,67 +70,93 @@ Example response body:
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```json
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{
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"node": "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f",
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"garage_version": "git:v0.8.0",
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"knownNodes": {
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"ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f": {
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"garageVersion": "git:v0.9.0-dev",
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"garageFeatures": [
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"k2v",
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"sled",
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"lmdb",
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"sqlite",
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"metrics",
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"bundled-libs"
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],
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"rustVersion": "1.68.0",
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"dbEngine": "LMDB (using Heed crate)",
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"knownNodes": [
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{
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"id": "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f",
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"addr": "10.0.0.11:3901",
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"is_up": true,
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"last_seen_secs_ago": 9,
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"hostname": "node1"
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},
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"4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff": {
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{
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"id": "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff",
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"addr": "10.0.0.12:3901",
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"is_up": true,
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"last_seen_secs_ago": 1,
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"hostname": "node2"
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},
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"23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27": {
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{
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"id": "23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27",
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"addr": "10.0.0.21:3901",
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"is_up": true,
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"last_seen_secs_ago": 7,
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"hostname": "node3"
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},
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"e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b": {
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{
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"id": "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b",
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"addr": "10.0.0.22:3901",
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"is_up": true,
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"last_seen_secs_ago": 1,
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"hostname": "node4"
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}
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},
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],
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"layout": {
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"version": 12,
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"roles": {
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"ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f": {
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"roles": [
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{
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"id": "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f",
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"zone": "dc1",
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"capacity": 4,
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"capacity": 10737418240,
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"tags": [
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"node1"
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]
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},
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"4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff": {
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{
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"id": "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff",
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"zone": "dc1",
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"capacity": 6,
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"capacity": 10737418240,
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"tags": [
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"node2"
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]
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},
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"23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27": {
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{
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"id": "23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27",
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"zone": "dc2",
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"capacity": 10,
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"capacity": 10737418240,
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"tags": [
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"node3"
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]
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}
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},
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"stagedRoleChanges": {
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"e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b": {
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],
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"stagedRoleChanges": [
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{
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"id": "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b",
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"remove": false,
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"zone": "dc2",
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"capacity": 5,
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"capacity": 10737418240,
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"tags": [
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"node4"
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]
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}
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{
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"id": "23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27",
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"remove": true,
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"zone": null,
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"capacity": null,
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"tags": null,
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}
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]
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}
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}
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```
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@ -198,7 +224,7 @@ Example response:
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]
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```
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#### GetClusterLayout `GET /v0/layout`
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#### GetClusterLayout `GET /v1/layout`
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Returns the cluster's current layout in JSON, including:
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@ -212,42 +238,54 @@ Example response body:
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```json
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{
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"version": 12,
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"roles": {
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"ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f": {
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"roles": [
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{
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"id": "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f",
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"zone": "dc1",
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"capacity": 4,
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"capacity": 10737418240,
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"tags": [
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"node1"
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]
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},
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"4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff": {
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{
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"id": "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff",
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"zone": "dc1",
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"capacity": 6,
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"capacity": 10737418240,
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"tags": [
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"node2"
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]
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},
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"23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27": {
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{
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"id": "23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27",
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"zone": "dc2",
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"capacity": 10,
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"capacity": 10737418240,
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"tags": [
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"node3"
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]
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}
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},
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"stagedRoleChanges": {
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"e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b": {
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],
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"stagedRoleChanges": [
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{
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"id": "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b",
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"remove": false,
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"zone": "dc2",
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"capacity": 5,
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"capacity": 10737418240,
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"tags": [
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"node4"
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]
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}
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{
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"id": "23ffd0cdd375ebff573b20cc5cef38996b51c1a7d6dbcf2c6e619876e507cf27",
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"remove": true,
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"zone": null,
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"capacity": null,
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"tags": null,
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}
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]
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}
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```
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#### UpdateClusterLayout `POST /v0/layout`
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#### UpdateClusterLayout `POST /v1/layout`
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Send modifications to the cluster layout. These modifications will
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be included in the staged role changes, visible in subsequent calls
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@ -259,8 +297,9 @@ the layout.
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Request body format:
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```json
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[
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{
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<node_id>: {
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"id": <node_id>,
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"capacity": <new_capacity>,
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"zone": <new_zone>,
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"tags": [
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@ -268,9 +307,11 @@ Request body format:
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...
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]
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},
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<node_id_to_remove>: null,
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...
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{
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"id": <node_id_to_remove>,
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"remove": true
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}
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]
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```
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Contrary to the CLI that may update only a subset of the fields
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@ -1,4 +1,3 @@
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use std::collections::HashMap;
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use std::net::SocketAddr;
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use std::sync::Arc;
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@ -8,7 +7,7 @@ use serde::{Deserialize, Serialize};
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use garage_util::crdt::*;
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use garage_util::data::*;
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use garage_rpc::layout::*;
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use garage_rpc::layout;
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use garage_model::garage::Garage;
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@ -26,16 +25,12 @@ pub async fn handle_get_cluster_status(garage: &Arc<Garage>) -> Result<Response<
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.system
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.get_known_nodes()
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.into_iter()
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.map(|i| {
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(
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hex::encode(i.id),
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KnownNodeResp {
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.map(|i| KnownNodeResp {
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id: hex::encode(i.id),
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addr: i.addr,
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is_up: i.is_up,
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last_seen_secs_ago: i.last_seen_secs_ago,
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hostname: i.status.hostname,
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},
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)
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})
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.collect(),
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layout: get_cluster_layout(garage),
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@ -82,25 +77,49 @@ pub async fn handle_get_cluster_layout(garage: &Arc<Garage>) -> Result<Response<
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fn get_cluster_layout(garage: &Arc<Garage>) -> GetClusterLayoutResponse {
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let layout = garage.system.get_cluster_layout();
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GetClusterLayoutResponse {
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version: layout.version,
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roles: layout
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let roles = layout
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.roles
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.items()
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.iter()
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.filter(|(_, _, v)| v.0.is_some())
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.map(|(k, _, v)| (hex::encode(k), v.0.clone()))
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.collect(),
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staged_role_changes: layout
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.filter_map(|(k, _, v)| v.0.clone().map(|x| (k, x)))
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.map(|(k, v)| NodeRoleResp {
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id: hex::encode(k),
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zone: v.zone.clone(),
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capacity: v.capacity,
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tags: v.tags.clone(),
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})
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.collect::<Vec<_>>();
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let staged_role_changes = layout
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.staging_roles
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.items()
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.iter()
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.filter(|(k, _, v)| layout.roles.get(k) != Some(v))
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.map(|(k, _, v)| (hex::encode(k), v.0.clone()))
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.collect(),
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.map(|(k, _, v)| match &v.0 {
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None => NodeRoleChange {
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id: hex::encode(k),
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remove: true,
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..Default::default()
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},
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Some(r) => NodeRoleChange {
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id: hex::encode(k),
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remove: false,
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zone: Some(r.zone.clone()),
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capacity: r.capacity,
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tags: Some(r.tags.clone()),
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},
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})
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.collect::<Vec<_>>();
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GetClusterLayoutResponse {
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version: layout.version,
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roles,
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staged_role_changes,
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}
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}
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// ----
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#[derive(Serialize)]
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#[serde(rename_all = "camelCase")]
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struct GetClusterStatusResponse {
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@ -109,7 +128,7 @@ struct GetClusterStatusResponse {
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garage_features: Option<&'static [&'static str]>,
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rust_version: &'static str,
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db_engine: String,
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known_nodes: HashMap<String, KnownNodeResp>,
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known_nodes: Vec<KnownNodeResp>,
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layout: GetClusterLayoutResponse,
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}
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@ -124,19 +143,31 @@ struct ConnectClusterNodesResponse {
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#[serde(rename_all = "camelCase")]
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struct GetClusterLayoutResponse {
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version: u64,
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roles: HashMap<String, Option<NodeRole>>,
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staged_role_changes: HashMap<String, Option<NodeRole>>,
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roles: Vec<NodeRoleResp>,
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staged_role_changes: Vec<NodeRoleChange>,
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}
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#[derive(Serialize)]
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#[serde(rename_all = "camelCase")]
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struct NodeRoleResp {
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id: String,
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zone: String,
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capacity: Option<u64>,
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tags: Vec<String>,
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}
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#[derive(Serialize)]
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#[serde(rename_all = "camelCase")]
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struct KnownNodeResp {
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id: String,
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addr: SocketAddr,
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is_up: bool,
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last_seen_secs_ago: Option<u64>,
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hostname: String,
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}
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// ---- update functions ----
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pub async fn handle_update_cluster_layout(
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garage: &Arc<Garage>,
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req: Request<Body>,
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@ -148,13 +179,23 @@ pub async fn handle_update_cluster_layout(
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let mut roles = layout.roles.clone();
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roles.merge(&layout.staging_roles);
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for (node, role) in updates {
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let node = hex::decode(node).ok_or_bad_request("Invalid node identifier")?;
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for change in updates {
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let node = hex::decode(&change.id).ok_or_bad_request("Invalid node identifier")?;
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let node = Uuid::try_from(&node).ok_or_bad_request("Invalid node identifier")?;
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let new_role = match (change.remove, change.zone, change.capacity, change.tags) {
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(true, None, None, None) => None,
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(false, Some(zone), capacity, Some(tags)) => Some(layout::NodeRole {
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zone,
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capacity,
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tags,
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}),
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_ => return Err(Error::bad_request("Invalid layout change")),
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};
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layout
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.staging_roles
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.merge(&roles.update_mutator(node, NodeRoleV(role)));
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.merge(&roles.update_mutator(node, layout::NodeRoleV(new_role)));
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}
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garage.system.update_cluster_layout(&layout).await?;
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@ -196,10 +237,28 @@ pub async fn handle_revert_cluster_layout(
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.body(Body::empty())?)
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}
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type UpdateClusterLayoutRequest = HashMap<String, Option<NodeRole>>;
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// ----
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type UpdateClusterLayoutRequest = Vec<NodeRoleChange>;
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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struct ApplyRevertLayoutRequest {
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version: u64,
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}
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// ----
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#[derive(Serialize, Deserialize, Default)]
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#[serde(rename_all = "camelCase")]
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struct NodeRoleChange {
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id: String,
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#[serde(default)]
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remove: bool,
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#[serde(default)]
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zone: Option<String>,
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#[serde(default)]
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capacity: Option<u64>,
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#[serde(default)]
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tags: Option<Vec<String>>,
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}
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@ -95,12 +95,12 @@ impl Endpoint {
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GET "/check" => CheckWebsiteEnabled,
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GET "/health" => Health,
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GET "/metrics" => Metrics,
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GET "/v0/status" => GetClusterStatus,
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GET "/v1/status" => GetClusterStatus,
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GET "/v0/health" => GetClusterHealth,
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POST "/v0/connect" => ConnectClusterNodes,
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// Layout endpoints
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GET "/v0/layout" => GetClusterLayout,
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POST "/v0/layout" => UpdateClusterLayout,
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GET "/v1/layout" => GetClusterLayout,
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POST "/v1/layout" => UpdateClusterLayout,
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POST "/v0/layout/apply" => ApplyClusterLayout,
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POST "/v0/layout/revert" => RevertClusterLayout,
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// API key endpoints
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