Minor fix to monitoring ci/cd (#320)

* Minor fix to monitoring ci/cd
* Add message regards legacy metrics
* Update docs

Author: Tim Middleton

.github/workflows/build-monitoring.yaml

@@ -57,7 +57,7 @@ jobs:
           cohctl get monitoring
           curl -s http://127.0.0.1:9090/-/healthy
           curl -s http://127.0.0.1:3000/api/health
-          cohctl stop monitoring
+          cohctl stop monitoring -y
 
       - uses: actions/upload-artifact@v4
         if: failure()

docs/reference/monitoring.adoc

@@ -23,7 +23,14 @@ After you start the monitoring you can start a local cluster using `cohctl start
 
 See the Coherence documentation to {commercial-docs-base-url}/manage/using-coherence-metrics.html[setup up Coherence metrics] on your own cluster.
 
-NOTE: You must have a `docker` version installed and running on your machine that includes the updated `docker compose` command.
+If you are running a Coherence version before 14.1.2-0-0 or 25.03, you must set the following property on each
+cluster member to emit the new style metrics used by the latest dashboards.
+
+- `-Dcoherence.metrics.legacy.names=false`.
+
+If you  have a `docker` version installed and running on your machine that doesn't include the updated `docker compose` command,
+you can use the `-D` option for `cohctl start manitoring` to use `docker-compose`.
+
 
 * <<init-monitoring, `cohctl init monitoring`>> - initialize local monitoring for Coherence
 * <<start-monitoring, `cohctl start monitoring`>> - starts the local monitoring stack

pkg/cmd/monitoring.go

@@ -226,6 +226,10 @@ Prometheus using docker compose.`,
 
 		grafanaURL := fmt.Sprintf("http://localhost:%v/d/coh-main/coherence-dashboard-main", grafanaPort)
 		cmd.Printf("\nOpen the Grafana dashboard at %s, using admin/admin\n\n", grafanaURL)
+		cmd.Println("Note: If you are running a Coherence version before 14.1.2-0-0 or 25.03, you must set the following")
+		cmd.Println("property on each cluster member to emit the new style metrics used by the latest dashboards:")
+		cmd.Println("  -Dcoherence.metrics.legacy.names=false")
+		cmd.Println()
 
 		err = mon.dockerCommand([]string{"ps"})
 		if err != nil {