Blueprints Processor Microservice

Implement basic blueprint service logic workflow execution engine.

Change-Id: Ifbbad70f2bdc4ba879b07d972083a411c7cc02f1
Issue-ID: CCSDK-672
Signed-off-by: Muthuramalingam, Brinda Santh(bs2796) <bs2796@att.com>

9 files changed, 530 insertions, 0 deletions

diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicContext.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicContext.kt
new file mode 100644
index 000000000..d2648c079
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicContext.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow
+
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintRuntimeService
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext
+
+class BlueprintSvcLogicContext : SvcLogicContext() {
+
+    private var bluePrintRuntimeService: BluePrintRuntimeService<*>? = null
+    private var request: Any? = null
+    private var response: Any? = null
+
+    fun getBluePrintService(): BluePrintRuntimeService<*> {
+        return this.bluePrintRuntimeService!!
+    }
+
+    fun setBluePrintRuntimeService(bluePrintRuntimeService: BluePrintRuntimeService<*>) {
+        this.bluePrintRuntimeService = bluePrintRuntimeService
+    }
+
+    fun setRequest(request: Any) {
+        this.request = request
+    }
+
+    fun getRequest(): Any {
+        return this.request!!
+    }
+
+    fun setResponse(response: Any) {
+        this.response = response
+    }
+
+    fun getResponse(): Any {
+        return this.response!!
+    }
+
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicService.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicService.kt
new file mode 100644
index 000000000..8750d98b3
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintSvcLogicService.kt
@@ -0,0 +1,152 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow
+
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintRuntimeService
+import org.onap.ccsdk.sli.core.sli.*
+import org.onap.ccsdk.sli.core.sli.provider.*
+import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker
+import org.slf4j.LoggerFactory
+import org.slf4j.MDC
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.context.ApplicationContext
+import org.springframework.stereotype.Service
+import java.util.*
+import javax.annotation.PostConstruct
+
+interface BlueprintSvcLogicService : SvcLogicService {
+
+    fun registerDefaultExecutors()
+
+    fun registerExecutors(name: String, svcLogicNodeExecutor: SvcLogicNodeExecutor)
+
+    fun unRegisterExecutors(name: String)
+
+    fun execute(graph: SvcLogicGraph, bluePrintRuntimeService: BluePrintRuntimeService<*>): Any
+
+    @Deprecated("Populate Graph Dynamically from Blueprints, No need to get from Database Store ")
+    override fun getStore(): SvcLogicStore {
+        TODO("not implemented")
+    }
+
+    @Deprecated("Not used in Micro service Implementation")
+    override fun hasGraph(module: String, rpc: String, version: String?, mode: String): Boolean {
+        TODO("not implemented")
+    }
+
+    @Deprecated("Not used in Micro service Implementation")
+    override fun execute(p0: String?, p1: String?, p2: String?, p3: String?, p4: Properties?): Properties {
+        TODO("not implemented")
+    }
+
+    @Deprecated("Not used in Micro service Implementation")
+    override fun execute(p0: String?, p1: String?, p2: String?, p3: String?, p4: Properties?, p5: DOMDataBroker?): Properties {
+        TODO("not implemented")
+    }
+}
+
+
+@Service
+class DefaultBlueprintSvcLogicService : BlueprintSvcLogicService {
+
+    private val log = LoggerFactory.getLogger(DefaultBlueprintSvcLogicService::class.java)
+
+    private val nodeExecutors: MutableMap<String, SvcLogicNodeExecutor> = hashMapOf()
+
+    @Autowired
+    private lateinit var context: ApplicationContext
+
+    @PostConstruct
+    override fun registerDefaultExecutors() {
+
+        val executeNodeExecutor = context.getBean(ExecuteNodeExecutor::class.java)
+        registerExecutors("execute", executeNodeExecutor)
+        registerExecutors("block", BlockNodeExecutor())
+        registerExecutors("return", ReturnNodeExecutor())
+        registerExecutors("break", BreakNodeExecutor())
+        registerExecutors("exit", ExitNodeExecutor())
+    }
+
+    override fun registerExecutors(name: String, svcLogicNodeExecutor: SvcLogicNodeExecutor) {
+        log.info("Registering executors($name) with type(${svcLogicNodeExecutor.javaClass}")
+        nodeExecutors.put(name, svcLogicNodeExecutor)
+    }
+
+    override fun unRegisterExecutors(name: String) {
+        if (nodeExecutors.containsKey(name)) {
+            log.info("UnRegistering executors($name)")
+            nodeExecutors.remove(name)
+        }
+    }
+
+    override fun execute(graph: SvcLogicGraph, bluePrintRuntimeService: BluePrintRuntimeService<*>): Any {
+        //Initialise BlueprintSvcLogic Context
+        val blueprintSvcLogicContext = BlueprintSvcLogicContext()
+        blueprintSvcLogicContext.setBluePrintRuntimeService(bluePrintRuntimeService)
+        // Execute the Graph
+        execute(graph, blueprintSvcLogicContext)
+        // Get the Response
+        return blueprintSvcLogicContext.getResponse()
+    }
+
+    override fun executeNode(node: SvcLogicNode?, ctx: SvcLogicContext): SvcLogicNode? {
+        if (node == null) {
+            return null
+        } else {
+            if (log.isDebugEnabled()) {
+                log.debug("Executing node {}", node.getNodeId())
+            }
+
+            val executor = this.nodeExecutors[node.getNodeType()]
+
+            if (executor != null) {
+                log.debug("Executing node executor for node type {} - {}", node.getNodeType(), executor.javaClass.name)
+                return executor.execute(this, node, ctx)
+            } else {
+                throw SvcLogicException("Attempted to execute a node of type " + node.getNodeType() + ", but no executor was registered for this type")
+            }
+        }
+    }
+
+    override fun execute(graph: SvcLogicGraph, svcLogicContext: SvcLogicContext): SvcLogicContext {
+        MDC.put("currentGraph", graph.toString())
+
+        val ctx = svcLogicContext as BlueprintSvcLogicContext
+
+        val blueprintRuntimeService = ctx.getBluePrintService()
+
+        log.info("Blueprint Runtime Service : ${blueprintRuntimeService}")
+
+        var curNode: SvcLogicNode? = graph.getRootNode()
+        log.info("About to execute graph {}", graph.toString())
+
+        try {
+            while (curNode != null) {
+                MDC.put("nodeId", curNode.nodeId.toString() + " (" + curNode.nodeType + ")")
+                log.info("About to execute node # {} ({})", curNode.nodeId, curNode.nodeType)
+                val nextNode = this.executeNode(curNode, ctx)
+                curNode = nextNode
+            }
+        } catch (var5: ExitNodeException) {
+            log.debug("SvcLogicServiceImpl caught ExitNodeException")
+        }
+
+        MDC.remove("nodeId")
+        MDC.remove("currentGraph")
+        return ctx
+    }
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/WorkflowServiceConfiguration.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/WorkflowServiceConfiguration.kt
new file mode 100644
index 000000000..b9c041e9c
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/WorkflowServiceConfiguration.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow
+
+import org.springframework.context.annotation.ComponentScan
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+@ComponentScan
+open class WorkflowServiceConfiguration {
+
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt
new file mode 100644
index 000000000..125a1ff6f
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/executor/ComponentExecuteNodeExecutor.kt
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.executor
+
+import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
+import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
+import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintSvcLogicContext
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext
+import org.onap.ccsdk.sli.core.sli.SvcLogicException
+import org.onap.ccsdk.sli.core.sli.SvcLogicNode
+import org.onap.ccsdk.sli.core.sli.provider.ExecuteNodeExecutor
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicExpressionResolver
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.context.ApplicationContext
+import org.springframework.stereotype.Service
+
+@Service
+open class ComponentExecuteNodeExecutor : ExecuteNodeExecutor() {
+
+    private val log = LoggerFactory.getLogger(ComponentExecuteNodeExecutor::class.java)
+
+    @Autowired
+    private lateinit var context: ApplicationContext
+
+    fun getComponentFunction(pluginName: String): AbstractComponentFunction {
+        return context.getBean(pluginName, AbstractComponentFunction::class.java)
+    }
+
+    @Throws(SvcLogicException::class)
+    override fun execute(svc: SvcLogicService, node: SvcLogicNode, svcLogicContext: SvcLogicContext): SvcLogicNode {
+
+        var outValue: String
+
+        val ctx = svcLogicContext as BlueprintSvcLogicContext
+
+        val nodeTemplateName = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx)
+
+        try {
+            // Get the Blueprint Context
+            val blueprintContext = ctx.getBluePrintService().bluePrintContext()
+            // Get the Component Name, NodeTemplate type is mapped to Component Name
+            val componentName = blueprintContext.nodeTemplateByName(nodeTemplateName).type
+
+            log.info("executing node template($nodeTemplateName) component($componentName)")
+            // Get the Component Instance
+            val plugin = this.getComponentFunction(componentName)
+
+            val executionInput = ctx.getRequest() as ExecutionServiceInput
+            // Get the Request from the Context and Set to the Function Input and Invoke the function
+            val executionOutput = plugin.apply(executionInput)
+
+            ctx.setResponse(executionOutput)
+
+            outValue = executionOutput.status.message
+            ctx.status = executionOutput.status.message
+
+        } catch (e: Exception) {
+            this.log.error("Could not execute plugin($nodeTemplateName) : ", e)
+            outValue = "failure"
+            ctx.status = "failure"
+        }
+
+        return this.getNextNode(node, outValue)
+    }
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/utils/SvcGraphUtils.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/utils/SvcGraphUtils.kt
new file mode 100644
index 000000000..ada36ac0b
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/utils/SvcGraphUtils.kt
@@ -0,0 +1,35 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.utils
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicGraph
+import org.onap.ccsdk.sli.core.sli.SvcLogicParser
+
+object SvcGraphUtils {
+
+    @JvmStatic
+    fun getSvcGraphFromClassPathFile(fileName: String): SvcLogicGraph {
+        val url = SvcGraphUtils::class.java.classLoader.getResource(fileName)
+        return getSvcGraphFromFile(url.path)
+    }
+
+    @JvmStatic
+    fun getSvcGraphFromFile(fileName: String): SvcLogicGraph {
+        val svcLogicParser = SvcLogicParser()
+        return svcLogicParser.parse(fileName).first
+    }
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintServiceLogicTest.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintServiceLogicTest.kt
new file mode 100644
index 000000000..5c90852ee
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/BlueprintServiceLogicTest.kt
@@ -0,0 +1,62 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow
+
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
+import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.executor.ComponentExecuteNodeExecutor
+import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.utils.SvcGraphUtils
+import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.junit4.SpringRunner
+
+@RunWith(SpringRunner::class)
+@ContextConfiguration(classes = [WorkflowServiceConfiguration::class, ComponentExecuteNodeExecutor::class])
+class BlueprintServiceLogicTest {
+
+    private val log = LoggerFactory.getLogger(BlueprintServiceLogicTest::class.java)
+
+    val bluePrintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime("1234",
+            "./../../../../../components/model-catalog/blueprint-model/starter-blueprint/baseconfiguration")
+
+    @Autowired
+    lateinit var blueprintSvcLogicService: BlueprintSvcLogicService
+
+    @Test
+    fun testExecuteGraphWithSingleComponent() {
+
+        val graph = SvcGraphUtils.getSvcGraphFromClassPathFile("service-logic/one-component.xml")
+        val svcLogicContext = BlueprintSvcLogicContext()
+        svcLogicContext.setBluePrintRuntimeService(bluePrintRuntimeService)
+        svcLogicContext.setRequest(ExecutionServiceInput())
+        blueprintSvcLogicService.execute(graph, svcLogicContext)
+
+    }
+
+    @Test
+    fun testExecuteGraphWithMultipleComponents() {
+        val graph = SvcGraphUtils.getSvcGraphFromClassPathFile("service-logic/two-component.xml")
+        val svcLogicContext = BlueprintSvcLogicContext()
+        svcLogicContext.setBluePrintRuntimeService(bluePrintRuntimeService)
+        svcLogicContext.setRequest(ExecutionServiceInput())
+        blueprintSvcLogicService.execute(graph, svcLogicContext)
+
+    }
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/mock/MockComponentFunction.kt b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/mock/MockComponentFunction.kt
new file mode 100644
index 000000000..5787721ca
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/workflow/mock/MockComponentFunction.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * 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.
+ */
+
+package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.mock
+
+import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
+import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
+import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.executor.ComponentExecuteNodeExecutor
+import org.slf4j.LoggerFactory
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+open class MockComponentConfiguration {
+
+    @Bean(name = ["component-resource-assignment", "component-netconf-executor"])
+    open fun createComponentFunction(): AbstractComponentFunction {
+        return MockComponentFunction()
+    }
+}
+
+class MockComponentFunction : AbstractComponentFunction() {
+
+    private val log = LoggerFactory.getLogger(ComponentExecuteNodeExecutor::class.java)
+
+    override fun process(executionRequest: ExecutionServiceInput) {
+        super.process(executionRequest)
+    }
+
+    override fun recover(runtimeException: RuntimeException, executionRequest: ExecutionServiceInput) {
+        super.recover(runtimeException, executionRequest)
+    }
+}
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/one-component.xml b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/one-component.xml
new file mode 100644
index 000000000..5ff26ad2c
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/one-component.xml
@@ -0,0 +1,34 @@
+<!--
+  ~ Copyright © 2017-2018 AT&T Intellectual Property.
+  ~
+  ~ 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.
+  -->
+
+<service-logic
+        xmlns='http://www.onap.org/sdnc/svclogic'
+        xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.onap.org/sdnc/svclogic ./svclogic.xsd' module='CONFIG' version='1.0.0'>
+    <method rpc='ActivateNetconf' mode='sync'>
+        <block atomic="true">
+            <execute plugin="resource-assignment" method="process">
+                 <outcome value='failure'>
+                    <return status="failure">
+                    </return>
+                </outcome>
+                <outcome value='success'>
+                    <return status='success'>
+                    </return>
+                </outcome>
+            </execute>
+        </block>
+    </method>
+</service-logic>
\ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/two-component.xml b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/two-component.xml
new file mode 100644
index 000000000..7de61db57
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/workflow-service/src/test/resources/service-logic/two-component.xml
@@ -0,0 +1,42 @@
+<!--
+  ~ Copyright © 2017-2018 AT&T Intellectual Property.
+  ~
+  ~ 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.
+  -->
+
+<service-logic
+        xmlns='http://www.onap.org/sdnc/svclogic'
+        xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.onap.org/sdnc/svclogic ./svclogic.xsd' module='CONFIG' version='1.0.0'>
+    <method rpc='ResourceAssignAndActivate' mode='sync'>
+        <block atomic="true">
+            <execute plugin="resource-assignment" method="process">
+                <outcome value='failure'>
+                    <return status="failure">
+                    </return>
+                </outcome>
+                <outcome value='success'>
+                    <execute plugin="resource-assignment-py" method="process">
+                        <outcome value='failure'>
+                            <return status="failure">
+                            </return>
+                        </outcome>
+                        <outcome value='success'>
+                            <return status='success'>
+                            </return>
+                        </outcome>
+                    </execute>
+                </outcome>
+            </execute>
+        </block>
+    </method>
+</service-logic>
\ No newline at end of file