Add the script to startup the collector for the MQ Bridge for Salesforce

Update README to match.

Author: ibmmqmet

cmd/mq_prometheus/README.md

@@ -20,6 +20,10 @@ To use the dashboard,
 create a data source in Grafana called "MQ Prometheus" that points at your
 database server, and then import the JSON file.
 
+There is also a script to start the collector so that it processes
+the statistics generated by the MQ Bridge for Salesforce, included in 
+MQ V9.0.2
+
 
 ## Building
 * This github repository contains the monitoring program and

cmd/mq_prometheus/mqsf_prometheus.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# This is used to start the IBM MQ monitoring service for Prometheus
+# to collect data from the MQ Bridge for Salesforce.
+
+# The queue manager name comes in from the service definition as the
+# only command line parameter
+qMgr=$1
+
+# Set the environment to ensure we pick up libmqm.so etc
+. /opt/mqm/bin/setmqenv -m $qMgr -k
+
+# A list of topics to be monitored is given here. Can use specific topics
+# or MQ wildcards such as "#". We are still using a "queues" command line
+# parameter, and ought to change it, but this works.
+queues="#,/topic/PT1,/topic/PT2,/event/PE2__e,/event/PE1__e"
+
+# See config.go for all recognised flags
+
+# Start via "exec" so the pid remains the same. The queue manager can
+# then check the existence of the service and use the MQ_SERVER_PID value
+# to kill it on shutdown.
+# Need to specify an HTTP port that is not currently used. The default 9157 may
+# be used by the collector accessing queue manager resource statistics.
+exec /usr/local/bin/mqgo/mq_prometheus -ibmmq.queueManager=$qMgr -ibmmq.monitoredQueues="$queues" -log.level=error -metaPrefix="\$SYS/Application/runmqsfb" -ibmmq.httpListenPort=9158

cmd/mq_prometheus/prometheus.yml

@@ -37,3 +37,6 @@ scrape_configs:
 
     static_configs:
        - targets: ['hostname.example.com:9157']
+  # targets: ['hostname.example.com:9157','hostname.example.com:9158'] is
+  # the syntax if you want to have several prometheus monitors on the same
+  # box.