fix: false-positive Stackdriver error in diagnose

changelog/31616.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+vault/diagnose: fix false-positive about missing Stackdriver keys when checking telemetry configuration
+```

command/operator_diagnose.go

@@ -273,7 +273,7 @@ func (c *OperatorDiagnoseCommand) offlineDiagnostics(ctx context.Context) error
 			}
 
 			// If any Stackdriver setting is present but we're missing the basic fields...
-			if coalesce(t.StackdriverNamespace, t.StackdriverLocation, t.StackdriverDebugLogs, t.StackdriverNamespace) != nil {
+			if coalesce(t.StackdriverNamespace, t.StackdriverLocation, t.StackdriverNamespace) != nil || t.StackdriverDebugLogs {
 				if t.StackdriverProjectID == "" {
 					return errors.New("incomplete Stackdriver telemetry configuration, missing stackdriver_project_id")
 				}

command/operator_diagnose_test.go

@@ -627,6 +627,18 @@ func TestOperatorDiagnoseCommand_Run(t *testing.T) {
 				},
 			},
 		},
+		{
+			"diagnose_telemetry_ok_dogstatsd",
+			[]string{
+				"-config", "./server/test-fixtures/diagnose_ok_dogstatsd_telemetry.hcl",
+			},
+			[]*diagnose.Result{
+				{
+					Name:   "Check Telemetry",
+					Status: diagnose.OkStatus,
+				},
+			},
+		},
 		{
 			"diagnose_telemetry_partial_stackdriver",
 			[]string{

command/server/test-fixtures/diagnose_ok_dogstatsd_telemetry.hcl

@@ -0,0 +1,22 @@
+# Copyright IBM Corp. 2016, 2025
+# SPDX-License-Identifier: BUSL-1.1
+
+disable_cache = true
+disable_mlock = true
+ui = true
+
+listener "tcp" {
+	address = "127.0.0.1:8200"
+}
+
+backend "consul" {
+	advertise_addr = "foo"
+	token = "foo"
+}
+
+telemetry {
+	dogstatsd_tags = ["tag1:value"]
+	dogstatsd_addr = "127.0.0.1:8164"
+}
+
+cluster_addr = "127.0.0.1:8201"