[envtest]Cover reconfiguration cases

tests/functional/placementapi_controller_test.go

@@ -629,5 +629,58 @@ var _ = Describe("PlacementAPI controller", func() {
 			db = th.GetMariaDBDatabase(names.MariaDBDatabaseName)
 			Expect(db.Finalizers).NotTo(ContainElement("PlacementAPI"))
 		})
+
+		It("updates the deployment if configuration changes", func() {
+			deployment := th.GetDeployment(names.DeploymentName)
+			oldConfigHash := GetEnvVarValue(deployment.Spec.Template.Spec.Containers[0].Env, "CONFIG_HASH", "")
+			Expect(oldConfigHash).NotTo(Equal(""))
+			cm := th.GetConfigMap(names.ConfigMapName)
+			Expect(cm.Data["custom.conf"]).ShouldNot(ContainSubstring("debug"))
+
+			Eventually(func(g Gomega) {
+				placement := GetPlacementAPI(names.PlacementAPIName)
+				placement.Spec.CustomServiceConfig = "[DEFAULT]/ndebug = true"
+
+				g.Expect(k8sClient.Update(ctx, placement)).Should(Succeed())
+			}, timeout, interval).Should(Succeed())
+
+			Eventually(func(g Gomega) {
+				deployment := th.GetDeployment(names.DeploymentName)
+				newConfigHash := GetEnvVarValue(deployment.Spec.Template.Spec.Containers[0].Env, "CONFIG_HASH", "")
+				g.Expect(newConfigHash).NotTo(Equal(""))
+				g.Expect(newConfigHash).NotTo(Equal(oldConfigHash))
+
+				cm := th.GetConfigMap(names.ConfigMapName)
+				g.Expect(cm.Data["custom.conf"]).Should(ContainSubstring("debug = true"))
+			}, timeout, interval).Should(Succeed())
+		})
+
+		It("updates the deployment if password changes", func() {
+			deployment := th.GetDeployment(names.DeploymentName)
+			oldConfigHash := GetEnvVarValue(deployment.Spec.Template.Spec.Containers[0].Env, "CONFIG_HASH", "")
+			Expect(oldConfigHash).NotTo(Equal(""))
+
+			th.UpdateSecret(
+				types.NamespacedName{Namespace: namespace, Name: SecretName},
+				"PlacementPassword", []byte("foobar"))
+
+			logger.Info("Reconfigured")
+
+			Eventually(func(g Gomega) {
+				deployment := th.GetDeployment(names.DeploymentName)
+				newConfigHash := GetEnvVarValue(deployment.Spec.Template.Spec.Containers[0].Env, "CONFIG_HASH", "")
+				g.Expect(newConfigHash).NotTo(Equal(""))
+				// FIXME(gibi): The placement-operator does not watch the input
+				// secret so it does not detect that any input is changed.
+				// Also the password values are not calculated into the input
+				// hash as they are only applied in the init container
+				// This should pass when this is fixed
+				// g.Expect(newConfigHash).NotTo(Equal(oldConfigHash))
+				g.Expect(newConfigHash).To(Equal(oldConfigHash))
+				// TODO(gibi): once the password is in the generated config
+				// assert it there
+			}, timeout, interval).Should(Succeed())
+		})
+
 	})
 })