Clustermgr

Statistics

curl "http://127.0.0.1:9998/stat" | python3 -m json.tool

Show cluster statistics, including raft status, space status, volume information statistics, etc.

Response

{
         "leader_host": "127.0.0.1:9998",
         "raft_status": {
             "nodeId": 1,
             "term": 1,
             "vote": 1,
             "commit": 5,
             "leader": 1,
             "raftState": "StateLeader",
             "applied": 5,
             "raftApplied": 5,
             "transferee": 0,
             "peers": [
                 {
                     "id": 2,
                     "host": "127.0.0.1:10111",
                     "match": 5,
                     "next": 6,
                     "state": "ProgressStateReplicate",
                     "paused": false,
                     "pendingSnapshot": 0,
                     "active": true,
                     "isLearner": false
                 },
                 {
                     "id": 3,
                     "host": "127.0.0.1:10112",
                     "match": 5,
                     "next": 6,
                     "state": "ProgressStateReplicate",
                     "paused": false,
                     "pendingSnapshot": 0,
                     "active": true,
                     "isLearner": false
                 },
                 {
                     "id": 1,
                     "host": "127.0.0.1:10110",
                     "match": 5,
                     "next": 6,
                     "state": "ProgressStateProbe",
                     "paused": false,
                     "pendingSnapshot": 0,
                     "active": true,
                     "isLearner": false
                 }
             ]
         },
         "space_stat": {
             "total_space": 0,
             "free_space": 0,
             "used_space": 0,
             "writable_space": 0,
             "total_blob_node": 0,
             "total_disk": 0,
             "disk_stat_infos": [
                 {
                     "idc": "z0",
                     "total": 0,
                     "total_chunk": 0,
                     "total_free_chunk": 0,
                     "available": 0,
                     "readonly": 0,
                     "expired": 0,
                     "broken": 0,
                     "repairing": 0,
                     "repaired": 0,
                     "dropping": 0,
                     "dropped": 0
                 }
             ]
         },
         "volume_stat": {
             "total_volume": 0,
             "idle_volume": 0,
             "can_alloc_volume": 0,
             "active_volume": 0,
             "lock_volume": 0,
             "unlocking_volume": 0
         }
}

Member Add

curl -X POST --header 'Content-Type: application/json' -d '{"peer_id": 1, "host": "127.0.0.1:9998", "member_type": 2}' "http://127.0.0.1:9998/member/add"

Add a cluster node, specify the node type, address and id.

Parameters

Parameter	Type	Descriptions
peer_id	uint64	raft node id，unique
host	string	host address
member_type	uint8	node type，1(leaner) and 2(normal)

Member Remove

curl -X POST --header 'Content-Type: application/json' -d '{"peer_id": 1}' "http://127.0.0.1:9998/member/remove"

Remove node by id.

Parameters

Parameter	Type	Descriptions
peer_id	uint64	raft node id，unique

Leadership Transfer

curl -X POST --header 'Content-Type: application/json' -d '{"peer_id": 1}' "http://127.0.0.1:9998/leadership/transfer"

Transfer leadership by node id.

Parameters

Parameter	Type	Descriptions
peer_id	uint64	raft node id，unique

Task Management

type	key	value
Disk Repair	disk_repair	Enable/Disable
Balance	balance	Enable/Disable
Disk Drop	disk_drop	Enable/Disable
Delete	blob_delete	Enable/Disable
Shard Repair	shard_repair	Enable/Disable
Inspection	vol_inspect	Enable/Disable

Task State

curl http://127.0.0.1:9998/config/get?key=balance

Task Enable

curl -X POST http://127.0.0.1:9998/config/set -d '{"key":"balance","value":"Enable"}' --header 'Content-Type: application/json'

Task Disable

curl -X POST http://127.0.0.1:9998/config/set -d '{"key":"balance","value":"Disable"}' --header 'Content-Type: application/json'