Applies to: reference, configuration

CMS Alert Manager Settings

These settings mainly involves CMS communication with other nodes using MQTT and connections to the alert database.

Format Path Filename Purpose
JSON ./conf/mops-cms-alertmgr/ config.json MQTT configuration
JSON ./conf/mops-cms-alertmgr/ db-config.json Database configuration

Configuration file example config.json:

{
    "mqtt": {
        "protocol": "tcp",
        "host": "mops-event-broker",
        "port": 1883,
        "mqttVersion": 4,
        "reconnect": 1000,
        "timeout": 30000,
        "path": "/event",
        "rootPath": "mops/historian/SITE/#"
    }
}

Description of config.json keys and values:

Name Type Description
protocol string “tcp” as default. “ws”, “wss” for websockets/secure websockets.
host string Host name of broker container. Typically “mops-event-broker” or “ingress”.
port int Port used on host for MQTT. Typically 1883, if host=ingress it is 80 to route through for MQTT-connection or 9001 for a websockets connection.
mqttVersion int Version of MQTT protocol. Typically 4 or 5.
reconnect int The time in milliseconds before attempting to reconnect after a disconnection
timeout int The time in milliseconds to wait for a connection to be established before timing out
path string MQTT over Websockets can configure a path. Typically “/event”.
rootPath string MQTT Topic filter. Wildcards as /+/ matches all topics in a certain level.

Configuration file example of db-config.json:

{
  "database": "alertdb",
  "user": "u_alertdb",
  "password": "<password>",
  "host": "mpoks-db02.tl.pvt",
  "port": "5432"
}

Description of db-config.json keys and values:

Name Type Description
database string Database name. Typically “alertdb”.
user string Database user name. Typically “u_alertdb”.
password string Database password.
host string Database server address.
port string Database port number. Typically “5432”.