chore: add "dry_run" label to sync metrics

controller/metrics/metrics.go

@@ -63,7 +63,7 @@ var (
 	descAppInfo = prometheus.NewDesc(
 		"argocd_app_info",
 		"Information about application.",
-		append(descAppDefaultLabels, "autosync_enabled", "repo", "dest_server", "dest_namespace", "sync_status", "health_status", "operation"),
+		append(descAppDefaultLabels, "autosync_enabled", "repo", "dest_server", "dest_namespace", "sync_status", "health_status", "operation", "dry_run"),
 		nil,
 	)
 
@@ -413,8 +413,9 @@ func (c *appCollector) collectApps(ch chan<- prometheus.Metric, app *argoappv1.A
 	}
 
 	autoSyncEnabled := app.Spec.SyncPolicy != nil && app.Spec.SyncPolicy.Automated != nil
+	isDryRun := app.Operation != nil && app.Operation.DryRun()
 
-	addGauge(descAppInfo, 1, strconv.FormatBool(autoSyncEnabled), git.NormalizeGitURL(app.Spec.GetSource().RepoURL), app.Spec.Destination.Server, app.Spec.Destination.Namespace, string(syncStatus), string(healthStatus), operation)
+	addGauge(descAppInfo, 1, strconv.FormatBool(autoSyncEnabled), git.NormalizeGitURL(app.Spec.GetSource().RepoURL), app.Spec.Destination.Server, app.Spec.Destination.Namespace, string(syncStatus), string(healthStatus), operation, strconv.FormatBool(isDryRun))
 
 	if len(c.appLabels) > 0 {
 		labelValues := []string{}

controller/metrics/metrics_test.go

@@ -81,6 +81,7 @@ status:
     status: Healthy
 operation:
   sync:
+    dryRun: true
     revision: 041eab7439ece92c99b043f0e171788185b8fc1d
     syncStrategy:
       hook: {}
@@ -282,17 +283,17 @@ func TestMetrics(t *testing.T) {
 			responseContains: `
 # HELP argocd_app_info Information about application.
 # TYPE argocd_app_info gauge
-argocd_app_info{autosync_enabled="true",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",health_status="Degraded",name="my-app-3",namespace="argocd",operation="delete",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="OutOfSync"} 1
-argocd_app_info{autosync_enabled="false",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",health_status="Healthy",name="my-app",namespace="argocd",operation="",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
-argocd_app_info{autosync_enabled="true",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",health_status="Healthy",name="my-app-2",namespace="argocd",operation="sync",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
+argocd_app_info{autosync_enabled="true",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",dry_run="false",health_status="Degraded",name="my-app-3",namespace="argocd",operation="delete",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="OutOfSync"} 1
+argocd_app_info{autosync_enabled="false",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",dry_run="false",health_status="Healthy",name="my-app",namespace="argocd",operation="",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
+argocd_app_info{autosync_enabled="true",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",dry_run="true",health_status="Healthy",name="my-app-2",namespace="argocd",operation="sync",project="important-project",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
 `,
 		},
 		{
 			applications: []string{fakeDefaultApp},
 			responseContains: `
 # HELP argocd_app_info Information about application.
 # TYPE argocd_app_info gauge
-argocd_app_info{autosync_enabled="false",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",health_status="Healthy",name="my-app",namespace="argocd",operation="",project="default",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
+argocd_app_info{autosync_enabled="false",dest_namespace="dummy-namespace",dest_server="https://localhost:6443",dry_run="false",health_status="Healthy",name="my-app",namespace="argocd",operation="",project="default",repo="https://github.com/argoproj/argocd-example-apps",sync_status="Synced"} 1
 `,
 		},
 	}