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OCT 24 / 9AM ET Register nowHA REST API
When run in the High Availability mode, each MDM node exposes a REST API, which can be used to check cluster and node status, connect and disconnect nodes, and perform other administrative and monitoring functions.
The API root endpoint is /ha/rest/
.
Method | Endpoint | Description |
---|---|---|
GET |
/clusterStatus |
Returns an array of all MDM nodes connected to the cluster and their modes. |
GET |
/nodeInfo?nodeName=<nodeName> |
Returns information about the MDM node specified in the |
GET |
/myInfo |
Returns information about this MDM node. |
GET |
/log |
Returns the array of last 500 messages from the database logger. Available URL queries:
Origin and message filter can use * as a wildcard. |
POST |
/setActiveNode?nodeName=<nodeName> |
Manually set a new Active (RW) node. |
POST |
/connect |
Connect this MDM node to the cluster. |
POST |
/disconnect |
Disconnect this MDM node from the cluster. |
[
{
"hostname": "10.0.66.7",
"name": "Mdc7",
"ports": {
"ha_nme_rest": 19090,
"ha_default": 18101
},
"zookeeperHostname": "10.0.66.1:2181,10.0.66.2:2181,10.0.66.3:2181,10.0.66.4:2181,10.0.66.5:2181",
"revokeLeadershipOnDisconnectTimeout": 75000,
"maxActiveToPassiveSwitchingTime": 5000,
"loggerDataSourceUrl": "jdbc:oracle:thin:@dbase.ataccama.com:1521/ora12c",
"loggerTableName": "ha_log",
"mode": "PASSIVE"
},
{
"hostname": "10.0.66.6",
"name": "mdc6",
"ports": {
"ha_nme_rest": 19090,
"ha_default": 18101
},
"revokeLeadershipOnDisconnectTimeout": 75000,
"maxActiveToPassiveSwitchingTime": 5000,
"mode": "ACTIVE"
}
]
{
"id": 50206219,
"origin": "mdc7",
"time": 1518004252551,
"level": "INFO",
"message": "Task Batch load \"crm_full\" #1 has finished successfully.",
"stacktrace": null
},
{
"id": 50206218,
"origin": "mdc7",
"time": 1518004252521,
"level": "INFO",
"message": "#1 Committing has finished.",
"stacktrace": null
},
{
"id": 50206217,
"origin": "mdc7",
"time": 1518004252405,
"level": "INFO",
"message": "#1 Committing - NmePersistentMasterType(PANKRAC.child) has finished (3 record(s)).",
"stacktrace": null
},
{
"id": 50206216,
"origin": "mdc7",
"time": 1518004252388,
"level": "INFO",
"message": "#1 Committing - NmePersistentMasterType(PANKRAC.child) has started.",
"stacktrace": null
}
Connection states (part of node info) that are provided by the Curator:
-
CONNECTED - MDM is connected to the cluster.
-
SUSPENDED - The quorum is lost; the node is trying to restore the connection.
-
RECONNECTED - Connection was successfully restored (from the SUSPENDED state).
-
LOST - Connection is not available; that is, the connection was not successfully restored (from the SUSPENDED state).
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