Cluster

Execute MQL scripts throught a cluster of MentDB server.

cluster showcluster createcluster existcluster deletecluster signal processcluster signal deploycluster signal setcluster signal deletecluster signal showcluster signal remote_showcluster signal givecluster node setcluster nodes show_objcluster nodes show_txtcluster node deletecluster node expelscluster execute_hotcluster executecluster node reinstatecluster node generate_setcluster node

cluster show

Description

To show all clusters

admin
cluster show;

mentdb
[
  "cluster_id_2",
  "cluster_id_1"
]

cluster create <clusterId>

Description

To create a new cluster

Parameters

clusterId: The cluster id - string - required

admin
cluster create "cluster_id_1";

mentdb
Cluster created with successful.

cluster exist <clusterId>

Description

To check if a cluster already exist

Parameters

clusterId: The cluster id - string - required

admin
cluster exist "cluster_id_1";

mentdb
1

cluster delete <clusterId>

Description

To delete a cluster

Parameters

clusterId: The cluster id - string - required

admin
cluster delete "cluster_id_2";

mentdb
Cluster deleted with successful.

cluster signal process

Description

To send signals to agents

admin
signal process;

mentdb
1

cluster signal deploy <clusterId> <hostname> <port> <user> <user_key> <password> <connectTimeout> <readTimeout> <mql_signal>

Description

To deploy all signals to all nodes

Parameters

clusterId: The cluster id - string - required
hostname: The hostname - string - required
port: The port - string - required
user: The user - string - required
user_key: The user key - string - required
password: The password - string - required
connectTimeout: Connect timeout - string - required
readTimeout: Read timeout - string - required
mql_signal: MQL signal (return a number) - string - required

admin
signal deploy "cluster_id_1" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 "metric current cpu jvm;"

mentdb
ok/set/cluster_id_1/node_id_3
ok/set/cluster_id_1/node_id_4
ok/set/cluster_id_1/node_id_1
ok/set/cluster_id_1/node_id_2

cluster signal set <clusterId> <nodeId> <hostname> <port> <user> <user_key> <password> <connectTimeout> <readTimeout> <mql_signal>

Description

To set a new signal into a node

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required
hostname: The hostname - string - required
port: The port - string - required
user: The user - string - required
user_key: The user key - string - required
password: The password - string - required
connectTimeout: Connect timeout - string - required
readTimeout: Read timeout - string - required
mql_signal: MQL signal (return a number) - string - required

admin
cluster signal set "cluster_id_1" "node_id_1" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 "metric current cpu jvm;"

mentdb
Signal added/updated with successful.

cluster signal delete <clusterId> <nodeId>

Description

To delete a signal from a node

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required

admin
cluster signal delete "cluster_id_1" "node_id_1"

mentdb
Signal deleted with successful.

cluster signal show <clusterId>

Description

To show all signals from a node for a specific cluster

Parameters

clusterId: The cluster id - string - required

admin
cluster signal show "cluster_id_1"

mentdb
CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / MQL_SIGNAL / LAST_TIME : ERROR
cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:58:07 : 
cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:58:07 : 
cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:58:07 : 
cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:58:07 :

cluster signal remote_show <clusterId>

Description

To show all remote signals from a node for a specific cluster

Parameters

clusterId: The cluster id - string - required

admin
signal remote_show "cluster_id_1"

mentdb
ok/CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / MQL_SIGNAL / LAST_TIME : ERROR
cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; /  : 
cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; /  : 
ok/CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / MQL_SIGNAL / LAST_TIME : ERROR
cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; /  : 
ok/CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / MQL_SIGNAL / LAST_TIME : ERROR
cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
ok/CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / MQL_SIGNAL / LAST_TIME : ERROR
cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 : 
cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / metric current cpu jvm; / 2019-07-01 09:57:47 :

cluster signal give <clusterId> <nodeId> <signal> <current_time>

Description

To give a signal to an agent

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required
signal: The signal (a number) - number - required
current_time: The current time - string - required

admin
cluster signal give "cluster_id_1" "node_id_1" 52 "2019-06-18 10:21:56"

mentdb
1

cluster node set <clusterId> <nodeId> <hostname> <port> <user> <user_key> <password> <connectTimeout> <readTimeout> <active_signal>

Description

To set a new node into a cluster

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required
hostname: The hostname - string - required
port: The port - string - required
user: The user - string - required
user_key: The user key - string - required
password: The password - string - required
connectTimeout: Connect timeout - string - required
readTimeout: Read timeout - string - required
active_signal: Is an auto active signal node - boolean - required

admin
cluster node set "cluster_id_1" "node_id_1" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_2" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_3" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_4" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;

mentdb
Node added/updated with successful.

cluster nodes show_obj <clusterId>

Description

To show all nodes from a cluster in an array format

Parameters

clusterId: The cluster id - string - required

admin
cluster nodes show_obj "cluster_id_1"

mentdb
{
  "node_id_3": {
    "in_the_cluster": "1",
    "active_signal": "1",
    "signal_last_time": "2019-06-30 09:35:45",
    "user_key": "pwd",
    "error": "",
    "cluster_id": "cluster_id_1",
    "hostname": "localhost",
    "password": "pwd",
    "port": "9998",
    "readTimeout": "30000",
    "connectTimeout": "10000",
    "signal": "0.2",
    "user": "admin",
    "node_id": "node_id_3"
  },
  "node_id_4": {
    "in_the_cluster": "1",
    "active_signal": "1",
    "signal_last_time": "2019-06-30 09:35:45",
    "user_key": "pwd",
    "error": "",
    "cluster_id": "cluster_id_1",
    "hostname": "localhost",
    "password": "pwd",
    "port": "9998",
    "readTimeout": "30000",
    "connectTimeout": "10000",
    "signal": "35.1",
    "user": "admin",
    "node_id": "node_id_4"
  },
  "node_id_1": {
    "in_the_cluster": "1",
    "active_signal": "1",
    "signal_last_time": "2019-06-30 09:35:45",
    "user_key": "pwd",
    "error": "",
    "cluster_id": "cluster_id_1",
    "hostname": "localhost",
    "password": "pwd",
    "port": "9998",
    "readTimeout": "30000",
    "connectTimeout": "10000",
    "signal": "57.0",
    "user": "admin",
    "node_id": "node_id_1"
  },
  "node_id_2": {
    "in_the_cluster": "1",
    "active_signal": "1",
    "signal_last_time": "2019-06-30 09:35:45",
    "user_key": "pwd",
    "error": "",
    "cluster_id": "cluster_id_1",
    "hostname": "localhost",
    "password": "pwd",
    "port": "9998",
    "readTimeout": "30000",
    "connectTimeout": "10000",
    "signal": "57.5",
    "user": "admin",
    "node_id": "node_id_2"
  }
}

cluster nodes show_txt <clusterId>

Description

To show all nodes from a cluster in text format

Parameters

clusterId: The cluster id - string - required

admin
cluster nodes show_txt "cluster_id_1"

mentdb
IN_THE_CLUSTER / ACTIVE_SIGNAL / CLUSTER_ID / NODE_ID / USER@HOSTNAME:PORT / CONNECT_TIMEOUT / READ_TIMEOUT / SIGNAL / LAST_TIME / NB_CMD : ERROR
1 / 0 / cluster_id_1 / node_id_3 / admin@localhost:9998 / 10000 / 30000 / 0.2 / 2019-07-01 09:41:07 / 11 : 
1 / 0 / cluster_id_1 / node_id_4 / admin@localhost:9998 / 10000 / 30000 / 35.0 / 2019-07-01 09:41:07 / 0 : 
1 / 0 / cluster_id_1 / node_id_1 / admin@localhost:9998 / 10000 / 30000 / 58.8 / 2019-07-01 09:41:07 / 0 : 
1 / 0 / cluster_id_1 / node_id_2 / admin@localhost:9998 / 10000 / 30000 / 57.0 / 2019-07-01 09:41:07 / 0 :

cluster node delete <clusterId> <nodeId>

Description

To delete a node from a cluster

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required

admin
cluster node delete "cluster_id_1" "node_id_1";

mentdb
Node deleted with successful.

cluster node expels <clusterId> <nodeId> <error>

Description

To expels a node from a cluster

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required
error: The error message - string - required

admin
cluster node expels "cluster_id_1" "node_id_1" "error message ...";

mentdb
1

cluster execute_hot

Description

Execute a MQL command in hot throught a cluster.

admin
-> "[local_var1]" "data1";
-> "[local_var2]" "data2";
include "cluster.1n.hot.exe"
	"[cluster_id]" "cluster_id_1"
	"[method]" "LB_50_50|SIGNAL"
	"[tunnel_id]" "tunnel_id_1"
	"[request]" (concat 
		"-> \"[remote_var1]\" " (mql encode [local_var1]) ";"
		"-> \"[remote_var2]\" " (mql encode [local_var2]) ";"
		(mql {
			concat [remote_var1] ":" [remote_var2]
		})
	)
;

mentdb
data1:data2

cluster execute

Description

Execute a MQL command throught a cluster.

admin
-> "[local_var1]" "data1";
-> "[local_var2]" "data2";
execute "cluster.1n.exe"
	"[cluster_id]" "cluster_id_1"
	"[method]" "LB_50_50|SIGNAL"
	"[request]" (concat 
		"-> \"[remote_var1]\" " (mql encode [local_var1]) ";"
		"-> \"[remote_var2]\" " (mql encode [local_var2]) ";"
		(mql {
			concat [remote_var1] ":" [remote_var2]
		})
	)
;

mentdb
data1:data2

cluster node reinstate <clusterId> <nodeId>

Description

To reinstate a node from a cluster

Parameters

clusterId: The cluster id - string - required
nodeId: The node id - string - required

admin
cluster node reinstate "cluster_id_1" "node_id_1"

mentdb
1

cluster node generate_set <clusterId>

Description

To generate a set MQL code for set a node into a cluster

Parameters

clusterId: The cluster id - string - required

admin
in editor {cluster node generate_set "cluster_id_1"};

mentdb
cluster node set "cluster_id_1" "node_id_3" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_4" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_1" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;
cluster node set "cluster_id_1" "node_id_2" "localhost" "9998" "admin" "pwd" "pwd" 10000 30000 true;

cluster node <clusterId> <method>

Description

To get a cluster node

Parameters

clusterId: The cluster id - string - required
method: The method (LB_50_50|SIGNAL) - string - required

admin
cluster node "cluster_id_1" "LB_50_50"

mentdb
{
  "subTunnels": "[MQL_TO_REPLACE]",
  "hostname": "localhost",
  "password": "pwd",
  "cluster_id": "cluster_id_1",
  "port": "9998",
  "readTimeout": "30000",
  "connectTimeout": "10000",
  "type": "mentdb",
  "user": "admin",
  "cluster_method": "lb_50_50",
  "key": "pwd",
  "node_id": "node_id_3"
}