WAMP Prometheus Exporter

Uses WAMP meta events and meta procedures to collect and expose metrics.

Sample output:

# HELP python_info Python platform information
# TYPE python_info gauge
python_info{implementation="CPython",major="3",minor="6",patchlevel="5",version="3.6.5"} 1.0
# HELP active_session_count Number of sessions currently active
# TYPE active_session_count gauge
active_session_count{realm="myapp",router_url="ws://localhost:9101/ws"} 3.0
# HELP active_callee_count Number of sessions currently attached to the registration
# TYPE active_callee_count gauge
active_callee_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.authenticate"} 1.0
active_callee_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.authorize"} 1.0
# HELP active_subscription_count Number of sessions currently subscribed to the subscription
# TYPE active_subscription_count gauge
active_subscription_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.chatlist.someuser"} 1.0
active_subscription_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.chat.somechat"} 1.0
active_subscription_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.chat.somechat2"} 1.0
active_subscription_count{realm="myapp",router_url="ws://localhost:9101/ws",uri="cz.myapp.api.chat.somechat3"} 1.0

Install and deploy

Build a docker image:

docker build -t wamp-prometheus-exporter .
docker run -d --restart=always -e WAMP_URL=ws://example.com:9101/ws -e WAMP_REALM=myapp -e WAMP_PRINCIPAL=exporter -e WAMP_TICKET=changeme -p 9123:9123 wamp-prometheus-exporter

Metrics

Metrics will be made available on port 9123.