domain native and operational policies support

- moved DomainMaker to policy-utils/ project.
- support for native drools and controller drools policy types.

Issue-ID: POLICY-2345
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
Change-Id: I46b9816eadceb7ef280e0e6789f07b4d4ca51519
Signed-off-by: jhh <jorge.hernandez-herrero@att.com>

4 files changed, 409 insertions, 0 deletions

diff --git a/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DomainPolicyTypesTest.java b/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DomainPolicyTypesTest.java
new file mode 100644
index 00000000..945b00b1
--- /dev/null
+++ b/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DomainPolicyTypesTest.java
@@ -0,0 +1,240 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.domain.models;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import com.worldturner.medeia.api.ValidationFailedException;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.drools.domain.models.controller.ControllerPolicy;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsController;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsPolicy;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsProperties;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsRulesArtifact;
+import org.onap.policy.drools.policies.DomainMaker;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+
+public class DomainPolicyTypesTest {
+
+    // Policy Types
+    private static final String OPERATIONAL_DROOLS_POLICY_TYPE = "onap.policies.controlloop.operational.common.Drools";
+    private static final String NATIVE_DROOLS_POLICY_TYPE = "onap.policies.native.Drools";
+
+    // Operational vCPE Policy
+    private static final String OP_POLICY_NAME_VCPE = "operational.restart";
+    private static final String VCPE_OPERATIONAL_DROOLS_POLICY_JSON =
+            "policies/vCPE.policy.operational.input.tosca.json";
+    public static final String VCPE_OPERATIONAL_DROOLS_LEGACY_POLICY_JSON =
+            "src/test/resources/tosca-policy-operational-restart.json";
+
+    // Native Drools Policy
+    private static final String EXAMPLE_NATIVE_DROOLS_POLICY_NAME = "example";
+    private static final String EXAMPLE_NATIVE_DROOLS_POLICY_JSON =
+            "src/test/resources/example.policy.native.drools.tosca.json";
+
+    // Controller Drools Policy
+    private static final String EXAMPLE_CONTROLLER_DROOLS_POLICY_NAME = "example";
+    private static final String EXAMPLE_CONTROLLER_DROOLS_POLICY_JSON =
+            "src/test/resources/example.policy.drools.controller.tosca.json";
+
+    private DomainMaker domainMaker;
+    private StandardCoder nonValCoder;
+
+    @Before
+    public void setUp() {
+        domainMaker = new DomainMaker();
+        nonValCoder = new StandardCoder();
+    }
+
+    @Test
+    public void testToscaOperationalPolicyType() throws CoderException, IOException {
+        String rawVcpeToscaPolicy = getExamplesPolicyString(VCPE_OPERATIONAL_DROOLS_POLICY_JSON, OP_POLICY_NAME_VCPE);
+        String rawVcpeLegacyToscaPolicy = getJsonFromFile(VCPE_OPERATIONAL_DROOLS_LEGACY_POLICY_JSON);
+
+        // valid "known" policy type with implicit schema
+        assertTrue(domainMaker
+            .isConformant(new ToscaPolicyTypeIdentifier(OPERATIONAL_DROOLS_POLICY_TYPE, "1.0.0"),
+                rawVcpeToscaPolicy));
+
+        // policy type without schema
+        assertFalse(domainMaker
+            .isConformant(new ToscaPolicyTypeIdentifier("blah.blah", "1.0.0"), rawVcpeToscaPolicy));
+
+        // known policy type but invalid json (legacy).
+        assertFalse(domainMaker
+            .isConformant(new ToscaPolicyTypeIdentifier(OPERATIONAL_DROOLS_POLICY_TYPE, "1.0.0"),
+                rawVcpeLegacyToscaPolicy));
+
+        ToscaPolicy vcpeToscaPolicy = getExamplesPolicy(VCPE_OPERATIONAL_DROOLS_POLICY_JSON, OP_POLICY_NAME_VCPE);
+        assertTrue(domainMaker.isConformant(vcpeToscaPolicy));
+        assertTrue(domainMaker.conformance(vcpeToscaPolicy));
+
+        // set an invalid value in the Tosca Policy (timeout less than minimum value).
+        final int timeout = (int) vcpeToscaPolicy.getProperties().get("timeout");
+        vcpeToscaPolicy.getProperties().put("timeout", 0);
+        assertFalse(domainMaker.isConformant(vcpeToscaPolicy));
+        assertThatThrownBy(() ->
+                                   domainMaker.conformance(vcpeToscaPolicy))
+                .isInstanceOf(ValidationFailedException.class)
+                .hasMessageContaining("Value 0 is smaller than minimum 1");
+
+        // put back the original timeout value in the Tosca Policy
+        vcpeToscaPolicy.getProperties().put("timeout", timeout);
+        assertTrue(domainMaker.isConformant(vcpeToscaPolicy));
+        assertTrue(domainMaker.conformance(vcpeToscaPolicy));
+
+        // remove required element
+        final Object operations = vcpeToscaPolicy.getProperties().remove("operations");
+        assertFalse(domainMaker.isConformant(vcpeToscaPolicy));
+        assertThatThrownBy(() ->
+                                   domainMaker.conformance(vcpeToscaPolicy))
+                .isInstanceOf(ValidationFailedException.class)
+                .hasMessageContaining("Required property operations is missing from object");
+
+        // put back the original operations value in the Tosca Policy
+        vcpeToscaPolicy.getProperties().put("operations", operations);
+        assertTrue(domainMaker.isConformant(vcpeToscaPolicy));
+        assertTrue(domainMaker.conformance(vcpeToscaPolicy));
+    }
+
+    @Test
+    public void testToscaNativeDroolsPolicy() throws CoderException, IOException {
+        String rawNativeDroolsPolicy =
+            getPolicyFromFileString(EXAMPLE_NATIVE_DROOLS_POLICY_JSON, EXAMPLE_NATIVE_DROOLS_POLICY_NAME);
+        ToscaPolicy toscaPolicy =
+            getExamplesPolicy(EXAMPLE_NATIVE_DROOLS_POLICY_JSON, EXAMPLE_NATIVE_DROOLS_POLICY_NAME);
+
+        ToscaPolicyTypeIdentifier policyTypeId =
+            new ToscaPolicyTypeIdentifier(NATIVE_DROOLS_POLICY_TYPE, "1.0.0");
+        domainMaker.isConformant(policyTypeId, rawNativeDroolsPolicy);
+
+        assertTrue(domainMaker.isConformant(toscaPolicy));
+        NativeDroolsPolicy domainDroolsPolicy = domainMaker.convertTo(toscaPolicy, NativeDroolsPolicy.class);
+        assertEquals("org.onap.policy.controlloop", domainDroolsPolicy.getProperties().getRulesArtifact().getGroupId());
+        assertEquals("example", domainDroolsPolicy.getProperties().getRulesArtifact().getArtifactId());
+        assertEquals("1.0.0", domainDroolsPolicy.getProperties().getRulesArtifact().getVersion());
+
+        String policyId = toscaPolicy.getMetadata().remove("policy-id");
+        assertThatThrownBy(() -> domainMaker.convertTo(toscaPolicy, NativeDroolsPolicy.class))
+                .isInstanceOf(CoderException.class).hasCauseInstanceOf(ValidationFailedException.class);
+
+        toscaPolicy.getMetadata().put("policy-id", policyId);
+
+        assertTrue(domainMaker.isDomainConformant(policyTypeId, domainDroolsPolicy));
+        assertTrue(domainMaker.conformance(policyTypeId, domainDroolsPolicy));
+
+        domainDroolsPolicy.setName("");
+        assertFalse(domainMaker.isDomainConformant(policyTypeId, domainDroolsPolicy));
+        assertThatThrownBy(() -> domainMaker.conformance(policyTypeId, domainDroolsPolicy))
+                .isInstanceOf(ValidationFailedException.class)
+                .hasMessageContaining("Pattern ^(.+)$ is not contained in text");
+
+        NativeDroolsPolicy domainDroolsPolicy2 =
+                NativeDroolsPolicy.builder().metadata(Metadata.builder().policyId("policy-id").build()).name("example")
+            .version("1.0.0").properties(
+                NativeDroolsProperties.builder().controller(
+                        NativeDroolsController.builder().name("example").version("1.0.0").build())
+                        .rulesArtifact(
+                                NativeDroolsRulesArtifact.builder().groupId("org.onap.policy.controlloop")
+                                        .artifactId("example").version("example").build()).build())
+            .type("onap.policies.native.Drools")
+            .typeVersion("1.0.0").build();
+        assertTrue(domainMaker
+            .isDomainConformant(
+                    new ToscaPolicyTypeIdentifier(domainDroolsPolicy2.getType(), domainDroolsPolicy2.getTypeVersion()),
+                    domainDroolsPolicy2));
+    }
+
+    @Test
+    public void testToscaControllerPolicy() throws CoderException {
+        ToscaPolicy toscaPolicy =
+                getExamplesPolicy(EXAMPLE_CONTROLLER_DROOLS_POLICY_JSON, EXAMPLE_CONTROLLER_DROOLS_POLICY_NAME);
+
+        assertTrue(domainMaker.isConformant(toscaPolicy));
+        ControllerPolicy controllerPolicy = domainMaker.convertTo(toscaPolicy, ControllerPolicy.class);
+
+        assertEquals("example", controllerPolicy.getName());
+        assertEquals("1.0.0", controllerPolicy.getVersion());
+        assertEquals("onap.policies.drools.Controller", controllerPolicy.getType());
+        assertEquals("1.0.0", controllerPolicy.getTypeVersion());
+        assertEquals("example", controllerPolicy.getMetadata().getPolicyId());
+        assertEquals("example", controllerPolicy.getProperties().getControllerName());
+        assertEquals("DCAE_TOPIC", controllerPolicy.getProperties().getSourceTopics().get(0).getTopicName());
+        assertEquals("org.onap.policy.controlloop.CanonicalOnset",
+            controllerPolicy.getProperties().getSourceTopics().get(0).getSerialization().get(0).getEventClass());
+        assertEquals("[?($.closedLoopEventStatus == 'ONSET')]",
+                controllerPolicy.getProperties().getSourceTopics().get(0).getSerialization().get(0).getEventFilter());
+        assertEquals("org.onap.policy.controlloop.util.Serialization",
+                controllerPolicy.getProperties().getSourceTopics().get(0).getSerialization().get(0)
+                        .getCustomSerializer().getCustomSerializerClass());
+        assertEquals("gson",
+                controllerPolicy.getProperties().getSourceTopics().get(0).getSerialization().get(0)
+                        .getCustomSerializer().getJsonParser());
+        assertEquals("APPC-CL", controllerPolicy.getProperties().getSinkTopics().get(0).getTopicName());
+        assertEquals("org.onap.policy.appc.Response",
+                controllerPolicy.getProperties().getSinkTopics().get(0).getSerialization().get(0).getEventClass());
+        assertEquals("[?($.CommonHeader && $.Status)]",
+                controllerPolicy.getProperties().getSinkTopics().get(0).getSerialization().get(0).getEventFilter());
+        assertEquals("org.onap.policy.appc.util.Serialization",
+                controllerPolicy.getProperties().getSinkTopics().get(0).getSerialization().get(0)
+                        .getCustomSerializer().getCustomSerializerClass());
+        assertEquals("gsonPretty",
+                controllerPolicy.getProperties().getSinkTopics().get(0).getSerialization().get(0)
+                        .getCustomSerializer().getJsonParser());
+        assertEquals("value1", controllerPolicy.getProperties().getCustomConfig().get("field1"));
+    }
+
+    private String getJsonFromFile(String filePath) throws IOException {
+        return new String(Files.readAllBytes(Paths.get(filePath)));
+    }
+
+    private String getJsonFromResource(String resourcePath) {
+        return ResourceUtils.getResourceAsString(resourcePath);
+    }
+
+    private String getPolicyFromFileString(String filePath, String policyName) throws CoderException, IOException {
+        String policyJson = getJsonFromFile(filePath);
+        ToscaServiceTemplate serviceTemplate = new StandardCoder().decode(policyJson, ToscaServiceTemplate.class);
+        return nonValCoder.encode(serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).get(policyName));
+    }
+
+    private ToscaPolicy getExamplesPolicy(String resourcePath, String policyName) throws CoderException {
+        String policyJson = getJsonFromResource(resourcePath);
+        ToscaServiceTemplate serviceTemplate = new StandardCoder().decode(policyJson, ToscaServiceTemplate.class);
+        return serviceTemplate.getToscaTopologyTemplate().getPolicies().get(0).get(policyName);
+    }
+
+    private String getExamplesPolicyString(String resourcePath, String policyName) throws CoderException {
+        return nonValCoder.encode(getExamplesPolicy(resourcePath, policyName));
+    }
+}
\ No newline at end of file
diff --git a/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DroolsPolicyModelsTest.java b/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DroolsPolicyModelsTest.java
new file mode 100644
index 00000000..813acdfa
--- /dev/null
+++ b/feature-lifecycle/src/test/java/org/onap/policy/drools/domain/models/DroolsPolicyModelsTest.java
@@ -0,0 +1,86 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.domain.models;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.reflection.filters.FilterChain;
+import com.openpojo.reflection.filters.FilterClassName;
+import com.openpojo.reflection.filters.FilterNonConcrete;
+import com.openpojo.reflection.impl.PojoClassFactory;
+import com.openpojo.validation.Validator;
+import com.openpojo.validation.ValidatorBuilder;
+import com.openpojo.validation.test.impl.GetterTester;
+import com.openpojo.validation.test.impl.SetterTester;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Test;
+import org.onap.policy.drools.domain.models.controller.ControllerPolicy;
+import org.onap.policy.drools.domain.models.controller.ControllerProperties;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsController;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsPolicy;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsProperties;
+import org.onap.policy.drools.domain.models.nativ.rules.NativeDroolsRulesArtifact;
+
+public class DroolsPolicyModelsTest {
+
+    @Test
+    public void testPackage() {
+        /* validate model pojos */
+        List<PojoClass> pojoClasses =
+                PojoClassFactory
+                        .getPojoClassesRecursively("org.onap.policy.drools.domain.models",
+                            new FilterChain(new FilterNonConcrete(),
+                                    new FilterClassName(DroolsPolicy.class.getName())));
+
+        Validator validator = ValidatorBuilder.create()
+                                      .with(new SetterTester(), new GetterTester()).build();
+        validator.validate(pojoClasses);
+    }
+
+    @Test
+    public void testBuildDomainPolicyNativeDrools() {
+        /* manually create a native drools policy */
+        NativeDroolsPolicy.builder().metadata(Metadata.builder().policyId("policy-id").build()).name("example")
+            .type("onap.policies.native.Drools")
+            .typeVersion("1.0.0")
+            .version("1.0.0")
+            .properties(
+                NativeDroolsProperties.builder().controller(
+                        NativeDroolsController.builder().name("example").version("1.0.0").build())
+                        .rulesArtifact(
+                                NativeDroolsRulesArtifact.builder().groupId("org.onap.policy.controlloop")
+                                        .artifactId("example").version("example").build()).build())
+            .build();
+    }
+
+    @Test
+    public void testBuildDomainPolicyController() {
+        /* manually create a controller policy */
+        ControllerPolicy.builder().metadata(Metadata.builder().policyId("policy-id").build()).name("example")
+            .version("1.0.0")
+            .type("onap.policies.drools.Controller")
+            .typeVersion("1.0.0")
+            .properties(ControllerProperties.builder().controllerName("example").sourceTopics(
+                    new ArrayList<>()).sinkTopics(new ArrayList<>()).build())
+            .build();
+    }
+
+}
\ No newline at end of file
diff --git a/feature-lifecycle/src/test/resources/example.policy.drools.controller.tosca.json b/feature-lifecycle/src/test/resources/example.policy.drools.controller.tosca.json
new file mode 100644
index 00000000..b4dd50da
--- /dev/null
+++ b/feature-lifecycle/src/test/resources/example.policy.drools.controller.tosca.json
@@ -0,0 +1,54 @@
+{
+    "tosca_definitions_version": "tosca_simple_yaml_1_0_0",
+    "topology_template": {
+        "policies": [
+            {
+                "example": {
+                    "type": "onap.policies.drools.Controller",
+                    "type_version": "1.0.0",
+                    "version": "1.0.0",
+                    "name": "example",
+                    "metadata": {
+                        "policy-id": "example"
+                    },
+                    "properties": {
+                        "controllerName": "example",
+                        "sourceTopics": [
+                            {
+                                "topicName": "DCAE_TOPIC",
+                                "serialization": [
+                                    {
+                                        "eventClass": "org.onap.policy.controlloop.CanonicalOnset",
+                                        "eventFilter": "[?($.closedLoopEventStatus == 'ONSET')]",
+                                        "customSerializer": {
+                                            "customSerializerClass": "org.onap.policy.controlloop.util.Serialization",
+                                            "jsonParser": "gson"
+                                        }
+                                    }
+                                ]
+                            }
+                        ],
+                        "sinkTopics": [
+                            {
+                                "topicName": "APPC-CL",
+                                "serialization": [
+                                    {
+                                        "eventClass": "org.onap.policy.appc.Response",
+                                        "eventFilter": "[?($.CommonHeader && $.Status)]",
+                                        "customSerializer": {
+                                            "customSerializerClass": "org.onap.policy.appc.util.Serialization",
+                                            "jsonParser": "gsonPretty"
+                                        }
+                                    }
+                                ]
+                            }
+                        ],
+                        "customConfig": {
+                            "field1" : "value1"
+                        }
+                    }
+                }
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/feature-lifecycle/src/test/resources/example.policy.native.drools.tosca.json b/feature-lifecycle/src/test/resources/example.policy.native.drools.tosca.json
new file mode 100644
index 00000000..0313b2ed
--- /dev/null
+++ b/feature-lifecycle/src/test/resources/example.policy.native.drools.tosca.json
@@ -0,0 +1,29 @@
+{
+    "tosca_definitions_version": "tosca_simple_yaml_1_0_0",
+    "topology_template": {
+        "policies": [
+            {
+                "example": {
+                    "type": "onap.policies.native.Drools",
+                    "type_version": "1.0.0",
+                    "version": "1.0.0",
+                    "name": "example",
+                    "metadata": {
+                        "policy-id": "example"
+                    },
+                    "properties": {
+                        "rulesArtifact": {
+                            "groupId": "org.onap.policy.controlloop",
+                            "artifactId": "example",
+                            "version": "1.0.0"
+                        },
+                        "controller": {
+                            "name": "example",
+                            "version": "1.0.0"
+                        }
+                    }
+                }
+            }
+        ]
+    }
+}
\ No newline at end of file