Add restart support inside participants

Issue-ID: POLICY-4747
Change-Id: I09ca3e373f8271fbfe612c031920058b744cf413
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

3 files changed, 112 insertions, 18 deletions

diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandler.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandler.java
index 7385a1f3b..a0ea31673 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandler.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandler.java
@@ -44,6 +44,7 @@ import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElementDef
 import org.onap.policy.clamp.models.acm.concepts.DeployState;
 import org.onap.policy.clamp.models.acm.concepts.LockState;
 import org.onap.policy.clamp.models.acm.concepts.StateChangeResult;
+import org.onap.policy.clamp.models.acm.utils.AcmUtils;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
@@ -212,4 +213,40 @@ public class AutomationCompositionElementHandler implements AutomationCompositio
         intermediaryApi.updateCompositionState(compositionId, AcTypeState.COMMISSIONED, StateChangeResult.NO_ERROR,
                 "Deprimed");
     }
+
+    @Override
+    public void handleRestartComposition(UUID compositionId,
+            List<AutomationCompositionElementDefinition> elementDefinitionList, AcTypeState state)
+            throws PfModelException {
+        var finalState = AcTypeState.PRIMED.equals(state) || AcTypeState.PRIMING.equals(state) ? AcTypeState.PRIMED
+                : AcTypeState.COMMISSIONED;
+        intermediaryApi.updateCompositionState(compositionId, finalState, StateChangeResult.NO_ERROR, "Restarted");
+    }
+
+    @Override
+    public void handleRestartInstance(UUID automationCompositionId, AcElementDeploy element,
+            Map<String, Object> properties, DeployState deployState, LockState lockState) throws PfModelException {
+        if (DeployState.DEPLOYING.equals(deployState)) {
+            deploy(automationCompositionId, element, properties);
+            return;
+        }
+        if (DeployState.UNDEPLOYING.equals(deployState) || DeployState.DEPLOYED.equals(deployState)
+                || DeployState.UPDATING.equals(deployState)) {
+            try {
+                var chartInfo = getChartInfo(properties);
+                chartMap.put(element.getId(), chartInfo);
+            } catch (AutomationCompositionException e) {
+                intermediaryApi.updateAutomationCompositionElementState(automationCompositionId, element.getId(),
+                        DeployState.UNDEPLOYED, null, StateChangeResult.FAILED, e.getMessage());
+            }
+        }
+        if (DeployState.UNDEPLOYING.equals(deployState)) {
+            undeploy(automationCompositionId, element.getId());
+            return;
+        }
+        deployState = AcmUtils.deployCompleted(deployState);
+        lockState = AcmUtils.lockCompleted(deployState, lockState);
+        intermediaryApi.updateAutomationCompositionElementState(automationCompositionId, element.getId(), deployState,
+                lockState, StateChangeResult.NO_ERROR, "Restarted");
+    }
 }
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandlerTest.java b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandlerTest.java
index 6b24c0f8a..6cf344feb 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandlerTest.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/handler/AutomationCompositionElementHandlerTest.java
@@ -52,14 +52,13 @@ import org.onap.policy.clamp.acm.participant.kubernetes.models.ChartList;
 import org.onap.policy.clamp.acm.participant.kubernetes.parameters.CommonTestData;
 import org.onap.policy.clamp.acm.participant.kubernetes.service.ChartService;
 import org.onap.policy.clamp.acm.participant.kubernetes.utils.TestUtils;
-import org.onap.policy.clamp.models.acm.concepts.AcElementDeploy;
-import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElement;
-import org.onap.policy.clamp.models.acm.messages.rest.instantiation.DeployOrder;
+import org.onap.policy.clamp.models.acm.concepts.AcTypeState;
+import org.onap.policy.clamp.models.acm.concepts.DeployState;
+import org.onap.policy.clamp.models.acm.concepts.LockState;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
 import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 
@@ -121,12 +120,7 @@ class AutomationCompositionElementHandlerTest {
     void test_AutomationCompositionElementUpdate()
             throws PfModelException, IOException, ServiceException, ExecutionException, InterruptedException {
         doNothing().when(automationCompositionElementHandler).checkPodStatus(any(), any(), any(), anyInt(), anyInt());
-        var elementId1 = UUID.randomUUID();
-        var element = new AcElementDeploy();
-        element.setId(elementId1);
-        element.setDefinition(new ToscaConceptIdentifier(KEY_NAME, "1.0.1"));
-        element.setOrderedState(DeployOrder.DEPLOY);
-
+        var element = CommonTestData.createAcElementDeploy();
         var nodeTemplatesMap = toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates();
 
         doReturn(false).when(chartService).installChart(any());
@@ -137,7 +131,7 @@ class AutomationCompositionElementHandlerTest {
         automationCompositionElementHandler.deploy(commonTestData.getAutomationCompositionId(), element,
                 nodeTemplatesMap.get(K8S_AUTOMATION_COMPOSITION_ELEMENT).getProperties());
 
-        assertThat(automationCompositionElementHandler.getChartMap()).hasSize(1).containsKey(elementId1);
+        assertThat(automationCompositionElementHandler.getChartMap()).hasSize(1).containsKey(element.getId());
 
         doThrow(new ServiceException("Error installing the chart")).when(chartService).installChart(Mockito.any());
 
@@ -154,18 +148,13 @@ class AutomationCompositionElementHandlerTest {
     void test_checkPodStatus() throws ExecutionException, InterruptedException {
         var chartInfo = charts.get(0);
         var automationCompositionId = UUID.randomUUID();
-        var element = new AutomationCompositionElement();
         assertThrows(ServiceException.class, () -> automationCompositionElementHandler
-                .checkPodStatus(automationCompositionId, element.getId(), chartInfo, 1, 1));
+                .checkPodStatus(automationCompositionId, UUID.randomUUID(), chartInfo, 1, 1));
     }
 
     @Test
     void testUpdate() throws PfModelException {
-        var elementId1 = UUID.randomUUID();
-        var element = new AcElementDeploy();
-        element.setId(elementId1);
-        element.setDefinition(new ToscaConceptIdentifier(KEY_NAME, "1.0.1"));
-        element.setOrderedState(DeployOrder.DEPLOY);
+        var element = CommonTestData.createAcElementDeploy();
         var automationCompositionId = commonTestData.getAutomationCompositionId();
         assertDoesNotThrow(
                 () -> automationCompositionElementHandler.update(automationCompositionId, element, Map.of()));
@@ -195,4 +184,54 @@ class AutomationCompositionElementHandlerTest {
     void testDeprime() throws PfModelException {
         assertDoesNotThrow(() -> automationCompositionElementHandler.deprime(UUID.randomUUID()));
     }
+
+    @Test
+    void testHandleRestartComposition() throws PfModelException {
+        assertDoesNotThrow(() -> automationCompositionElementHandler.handleRestartComposition(UUID.randomUUID(),
+                List.of(), AcTypeState.PRIMED));
+    }
+
+    @Test
+    void testHandleRestartInstanceDeploying()
+            throws PfModelException, InterruptedException, ServiceException, IOException {
+        doNothing().when(automationCompositionElementHandler).checkPodStatus(any(), any(), any(), anyInt(), anyInt());
+        var element = CommonTestData.createAcElementDeploy();
+        var nodeTemplatesMap = toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates();
+
+        doReturn(true).when(chartService).installChart(any());
+        assertDoesNotThrow(() -> automationCompositionElementHandler.handleRestartInstance(
+                commonTestData.getAutomationCompositionId(), element,
+                nodeTemplatesMap.get(K8S_AUTOMATION_COMPOSITION_ELEMENT).getProperties(), DeployState.DEPLOYING,
+                LockState.NONE));
+
+        assertThat(automationCompositionElementHandler.getChartMap()).containsKey(element.getId());
+    }
+
+    @Test
+    void testHandleRestartInstanceDeployed()
+            throws PfModelException, InterruptedException, ServiceException, IOException {
+        doNothing().when(automationCompositionElementHandler).checkPodStatus(any(), any(), any(), anyInt(), anyInt());
+        var element = CommonTestData.createAcElementDeploy();
+        var nodeTemplatesMap = toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates();
+
+        assertDoesNotThrow(() -> automationCompositionElementHandler.handleRestartInstance(
+                commonTestData.getAutomationCompositionId(), element,
+                nodeTemplatesMap.get(K8S_AUTOMATION_COMPOSITION_ELEMENT).getProperties(), DeployState.DEPLOYED,
+                LockState.LOCKED));
+
+        assertThat(automationCompositionElementHandler.getChartMap()).containsKey(element.getId());
+    }
+
+    @Test
+    void testHandleRestartInstanceUndeploying()
+            throws PfModelException, InterruptedException, ServiceException, IOException {
+        doNothing().when(automationCompositionElementHandler).checkPodStatus(any(), any(), any(), anyInt(), anyInt());
+        var element = CommonTestData.createAcElementDeploy();
+        var nodeTemplatesMap = toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates();
+
+        assertDoesNotThrow(() -> automationCompositionElementHandler.handleRestartInstance(
+                commonTestData.getAutomationCompositionId(), element,
+                nodeTemplatesMap.get(K8S_AUTOMATION_COMPOSITION_ELEMENT).getProperties(), DeployState.UNDEPLOYING,
+                LockState.LOCKED));
+    }
 }
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/parameters/CommonTestData.java b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/parameters/CommonTestData.java
index 8041a4ea5..8de972bfe 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/parameters/CommonTestData.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/test/java/org/onap/policy/clamp/acm/participant/kubernetes/parameters/CommonTestData.java
@@ -26,10 +26,13 @@ import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
 import java.util.UUID;
+import org.onap.policy.clamp.models.acm.concepts.AcElementDeploy;
+import org.onap.policy.clamp.models.acm.messages.rest.instantiation.DeployOrder;
 import org.onap.policy.common.endpoints.parameters.TopicParameters;
 import org.onap.policy.common.utils.coder.Coder;
 import org.onap.policy.common.utils.coder.CoderException;
 import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 
 public class CommonTestData {
 
@@ -39,6 +42,8 @@ public class CommonTestData {
     public static final List<TopicParameters> TOPIC_PARAMS = List.of(getTopicParams());
     public static final Coder CODER = new StandardCoder();
     private static final UUID AC_ID = UUID.randomUUID();
+    private static final String KEY_NAME =
+            "org.onap.domain.database.HelloWorld_K8SMicroserviceAutomationCompositionElement";
 
     /**
      * Get ParticipantK8sParameters.
@@ -154,4 +159,17 @@ public class CommonTestData {
     public UUID getAutomationCompositionId() {
         return AC_ID;
     }
+
+    /**
+     * Create an AcElementDeploy.
+     *
+     * @return an AcElementDeploy
+     */
+    public static AcElementDeploy createAcElementDeploy() {
+        var element = new AcElementDeploy();
+        element.setId(UUID.randomUUID());
+        element.setDefinition(new ToscaConceptIdentifier(KEY_NAME, "1.0.1"));
+        element.setOrderedState(DeployOrder.DEPLOY);
+        return element;
+    }
 }