Add appendUnique args logic to all the cases

Author: Rizwana777

controllers/argocd/applicationset.go

@@ -93,12 +93,7 @@ func (r *ReconcileArgoCD) getArgoApplicationSetCommand(cr *argoproj.ArgoCD) []st
 
 	// ApplicationSet command arguments provided by the user
 	extraArgs := cr.Spec.ApplicationSet.ExtraCommandArgs
-	err = isMergable(extraArgs, cmd)
-	if err != nil {
-		return cmd
-	}
-
-	cmd = append(cmd, extraArgs...)
+	cmd = appendUniqueArgs(cmd, extraArgs)
 
 	return cmd
 }

controllers/argocd/applicationset_test.go

@@ -941,6 +941,15 @@ func TestArgoCDApplicationSetCommand(t *testing.T) {
 		"bar",
 	}
 
+	wantCmd := []string{
+		"entrypoint.sh",
+		"argocd-applicationset-controller",
+		"--argocd-repo-server",
+		"foo.scv.cluster.local:6379",
+		"--loglevel",
+		"info",
+	}
+
 	deployment := &appsv1.Deployment{}
 	assert.NoError(t, r.reconcileApplicationSetController(a))
 
@@ -991,7 +1000,7 @@ func TestArgoCDApplicationSetCommand(t *testing.T) {
 		},
 		deployment))
 
-	assert.Equal(t, baseCommand, deployment.Spec.Template.Spec.Containers[0].Command)
+	assert.Equal(t, wantCmd, deployment.Spec.Template.Spec.Containers[0].Command)
 
 	// Remove all the command arguments that were added.
 	a.Spec.ApplicationSet.ExtraCommandArgs = []string{}
@@ -1006,6 +1015,32 @@ func TestArgoCDApplicationSetCommand(t *testing.T) {
 		deployment))
 
 	assert.Equal(t, baseCommand, deployment.Spec.Template.Spec.Containers[0].Command)
+
+	// When ExtraCommandArgs contains a non-duplicate argument along with a duplicate
+	a.Spec.ApplicationSet.ExtraCommandArgs = []string{
+		"--foo",
+		"bar",
+		"--ping",
+		"pong",
+		"test",
+		"--newarg", // Non-duplicate argument
+		"newvalue",
+		"--newarg", // Duplicate argument passing at once
+		"newvalue",
+	}
+
+	assert.NoError(t, r.reconcileApplicationSetController(a))
+	assert.NoError(t, r.Client.Get(
+		context.TODO(),
+		types.NamespacedName{
+			Name:      "argocd-applicationset-controller",
+			Namespace: a.Namespace,
+		},
+		deployment))
+
+	// Non-duplicate argument "--newarg" should be added, duplicate "--newarg" which is added twice is ignored
+	cmd = append(cmd, "--newarg", "newvalue")
+	assert.Equal(t, cmd, deployment.Spec.Template.Spec.Containers[0].Command)
 }
 
 func TestArgoCDApplicationSetEnv(t *testing.T) {

controllers/argocd/util.go

@@ -176,11 +176,7 @@ func getArgoApplicationControllerCommand(cr *argoproj.ArgoCD, useTLSForRedis boo
 
 	// check if extra args are present
 	extraArgs := cr.Spec.Controller.ExtraCommandArgs
-	err := isMergable(extraArgs, cmd)
-	if err != nil {
-		return cmd
-	}
-	cmd = append(cmd, extraArgs...)
+	cmd = appendUniqueArgs(cmd, extraArgs)
 
 	return cmd
 }

controllers/argocd/util_test.go

@@ -582,13 +582,18 @@ func TestGetArgoApplicationControllerCommand(t *testing.T) {
 		{
 			"overriding default argument using extraCommandArgs",
 			[]argoCDOpt{extraCommandArgs([]string{"--operation-processors", "15"})},
-			defaultResult,
+			operationProcesorsChangedResult("15"),
 		},
 		{
 			"configured empty extraCommandArgs",
 			[]argoCDOpt{extraCommandArgs([]string{})},
 			defaultResult,
 		},
+		{
+			"configured extraCommandArgs with duplicate values",
+			[]argoCDOpt{extraCommandArgs([]string{"--status-processors", "20"})},
+			defaultResult,
+		},
 	}
 
 	for _, tt := range cmdTests {