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authorMuthuramalingam, Brinda Santh <brindasanth@in.ibm.com>2019-02-18 15:10:25 -0500
committerAlexis de Talhouët <adetalhouet89@gmail.com>2019-02-20 21:02:05 +0000
commit854cabcebee6d42a241700b4dcd66878440c2849 (patch)
tree141a790708bdbe9202d4a0767c676d9d6b255b94 /ms/blueprintsprocessor/modules
parent48b1bea8c1a636169cb5fecd3d0091064e02145b (diff)
Add component function scripting service
Change-Id: I7c5b49617823dd623566fb4be4d431012420e17c Issue-ID: CCSDK-959 Signed-off-by: Muthuramalingam, Brinda Santh <brindasanth@in.ibm.com>
Diffstat (limited to 'ms/blueprintsprocessor/modules')
-rw-r--r--ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/BluePrintRestLibConfiguration.kt2
-rw-r--r--ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt26
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/pom.xml4
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/AbstractComponentFunction.kt27
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/ComponentFunctionScriptingService.kt77
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonService.kt130
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonHost.kt46
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonInterpreterProxy.kt40
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/PythonExecutorConfiguration.kt68
-rw-r--r--ms/blueprintsprocessor/modules/services/execution-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonServiceTest.kt57
10 files changed, 462 insertions, 15 deletions
diff --git a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/BluePrintRestLibConfiguration.kt b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/BluePrintRestLibConfiguration.kt
index 50d69aee..f63e39f3 100644
--- a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/BluePrintRestLibConfiguration.kt
+++ b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/BluePrintRestLibConfiguration.kt
@@ -1,5 +1,6 @@
/*
* Copyright © 2017-2018 AT&T Intellectual Property.
+ * Modifications Copyright © 2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -28,6 +29,7 @@ open class BluePrintRestLibConfiguration
class RestLibConstants {
companion object {
+ const val SERVICE_BLUEPRINT_REST_LIB_PROPERTY = "blueprint-rest-lib-property-service"
const val TYPE_BASIC_AUTH = "basic-auth"
const val TYPE_SSL_BASIC_AUTH = "ssl-basic-auth"
const val TYPE_DME2_PROXY = "dme2-proxy"
diff --git a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt
index 21d080d5..47577b39 100644
--- a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt
+++ b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/rest/service/BluePrintRestLibPropertyService.kt
@@ -1,5 +1,6 @@
/*
* Copyright © 2017-2018 AT&T Intellectual Property.
+ * Modifications Copyright © 2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -21,7 +22,7 @@ import org.onap.ccsdk.apps.blueprintsprocessor.rest.*
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
import org.springframework.stereotype.Service
-@Service
+@Service(RestLibConstants.SERVICE_BLUEPRINT_REST_LIB_PROPERTY)
open class BluePrintRestLibPropertyService(private var bluePrintProperties: BluePrintProperties) {
@Throws(BluePrintProcessorException::class)
@@ -49,22 +50,31 @@ open class BluePrintRestLibPropertyService(private var bluePrintProperties: Blue
@Throws(BluePrintProcessorException::class)
fun blueprintWebClientService(selector: String): BlueprintWebClientService {
val prefix = "blueprintsprocessor.restclient.$selector"
- val beanProperties = restClientProperties(prefix)
- when (beanProperties) {
+ val restClientProperties = restClientProperties(prefix)
+ return blueprintWebClientService(restClientProperties)
+ }
+
+
+ fun blueprintDynamicWebClientService(sourceType: String, selector: String): BlueprintWebClientService {
+ TODO()
+ }
+
+ @Throws(BluePrintProcessorException::class)
+ fun blueprintWebClientService(restClientProperties: RestClientProperties): BlueprintWebClientService {
+ when (restClientProperties) {
is BasicAuthRestClientProperties -> {
- return BasicAuthRestClientService(beanProperties)
+ return BasicAuthRestClientService(restClientProperties)
}
is SSLBasicAuthRestClientProperties -> {
- return SSLBasicAuthRestClientService(beanProperties)
+ return SSLBasicAuthRestClientService(restClientProperties)
}
is DME2RestClientProperties -> {
- return DME2ProxyRestClientService(beanProperties)
+ return DME2ProxyRestClientService(restClientProperties)
}
else -> {
- throw BluePrintProcessorException("couldn't get rest service for selector($selector)")
+ throw BluePrintProcessorException("couldn't get rest service for")
}
}
-
}
fun basicAuthRestClientProperties(prefix: String): BasicAuthRestClientProperties {
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/pom.xml b/ms/blueprintsprocessor/modules/services/execution-service/pom.xml
index ea5f31a3..283a8a66 100644
--- a/ms/blueprintsprocessor/modules/services/execution-service/pom.xml
+++ b/ms/blueprintsprocessor/modules/services/execution-service/pom.xml
@@ -30,6 +30,10 @@
<dependencies>
<dependency>
+ <groupId>org.python</groupId>
+ <artifactId>jython-standalone</artifactId>
+ </dependency>
+ <dependency>
<groupId>org.onap.ccsdk.apps.controllerblueprints</groupId>
<artifactId>blueprint-core</artifactId>
</dependency>
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/AbstractComponentFunction.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/AbstractComponentFunction.kt
index f7c901df..930dc074 100644
--- a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/AbstractComponentFunction.kt
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/AbstractComponentFunction.kt
@@ -1,5 +1,6 @@
/*
* Copyright © 2017-2018 AT&T Intellectual Property.
+ * Modifications Copyright © 2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -48,22 +49,26 @@ abstract class AbstractComponentFunction : BlueprintFunctionNode<ExecutionServic
lateinit var operationName: String
lateinit var nodeTemplateName: String
var operationInputs: MutableMap<String, JsonNode> = hashMapOf()
+ /**
+ * Store Dynamic Dependency Instances
+ */
+ var functionDependencyInstances: MutableMap<String, Any> = hashMapOf()
override fun getName(): String {
return stepName
}
- override fun prepareRequest(executionRequest: ExecutionServiceInput): ExecutionServiceInput {
+ override fun prepareRequest(executionRequest: ExecutionServiceInput): ExecutionServiceInput {
checkNotNull(bluePrintRuntimeService) { "failed to prepare blueprint runtime" }
check(stepName.isNotEmpty()) { "failed to assign step name" }
- this.executionServiceInput = executionRequest
+ this.executionServiceInput = executionRequest
- processId = executionRequest.commonHeader.requestId
+ processId = executionRequest.commonHeader.requestId
check(processId.isNotEmpty()) { "couldn't get process id for step($stepName)" }
- workflowName = executionRequest.actionIdentifiers.actionName
+ workflowName = executionRequest.actionIdentifiers.actionName
check(workflowName.isNotEmpty()) { "couldn't get action name for step($stepName)" }
log.info("preparing request id($processId) for workflow($workflowName) step($stepName)")
@@ -88,14 +93,14 @@ abstract class AbstractComponentFunction : BlueprintFunctionNode<ExecutionServic
this.operationInputs.putAll(operationResolvedProperties)
- return executionRequest
+ return executionRequest
}
override fun prepareResponse(): ExecutionServiceOutput {
log.info("Preparing Response...")
executionServiceOutput.commonHeader = executionServiceInput.commonHeader
- executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
- executionServiceOutput.payload = executionServiceInput.payload
+ executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
+ executionServiceOutput.payload = executionServiceInput.payload
// Resolve the Output Expression
val stepOutputs = bluePrintRuntimeService
@@ -126,4 +131,12 @@ abstract class AbstractComponentFunction : BlueprintFunctionNode<ExecutionServic
fun setAttribute(key: String, value: JsonNode) {
bluePrintRuntimeService.setNodeTemplateAttributeValue(nodeTemplateName, key, value)
}
+
+ /**
+ * This will be called from the scripts to serve instance from runtime to scripts.
+ */
+ open fun <T> functionDependencyInstanceAsType(name: String): T {
+ return functionDependencyInstances[name] as? T
+ ?: throw BluePrintProcessorException("couldn't get script property instance ($name)")
+ }
} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/ComponentFunctionScriptingService.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/ComponentFunctionScriptingService.kt
new file mode 100644
index 00000000..ecdd454e
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/ComponentFunctionScriptingService.kt
@@ -0,0 +1,77 @@
+/*
+ * Copyright © 2018 IBM.
+ *
+ * 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.execution
+
+import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
+import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintScriptsService
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintContext
+import org.slf4j.LoggerFactory
+import org.springframework.context.ApplicationContext
+import org.springframework.stereotype.Service
+
+@Service
+class ComponentFunctionScriptingService(private val applicationContext: ApplicationContext,
+ private val bluePrintScriptsService: BluePrintScriptsService,
+ private val blueprintJythonService: BlueprintJythonService) {
+
+ private val log = LoggerFactory.getLogger(ComponentFunctionScriptingService::class.java)
+
+ fun <T : AbstractComponentFunction> scriptInstance(componentFunction: AbstractComponentFunction, scriptType: String,
+ scriptClassReference: String,
+ instanceDependencies: MutableList<String>): T {
+ log.info("creating component function of script type($scriptType), reference name($scriptClassReference) and " +
+ "instanceDependencies($instanceDependencies)")
+
+ val scriptComponent: T = scriptInstance(componentFunction.bluePrintRuntimeService.bluePrintContext(),
+ scriptType, scriptClassReference)
+ populateScriptDependencies(scriptComponent, instanceDependencies)
+ return scriptComponent
+ }
+
+
+ fun <T : AbstractComponentFunction> scriptInstance(bluePrintContext: BluePrintContext, scriptType: String,
+ scriptClassReference: String): T {
+ var scriptComponent: T? = null
+
+ when (scriptType) {
+ BluePrintConstants.SCRIPT_INTERNAL -> {
+ scriptComponent = bluePrintScriptsService.scriptInstance<T>(scriptClassReference)
+ }
+ BluePrintConstants.SCRIPT_KOTLIN -> {
+ scriptComponent = bluePrintScriptsService.scriptInstance<T>(bluePrintContext, scriptClassReference, false)
+ }
+ BluePrintConstants.SCRIPT_JYTHON -> {
+ scriptComponent = blueprintJythonService.jythonComponentInstance(bluePrintContext, scriptClassReference) as T
+ }
+ else -> {
+ throw BluePrintProcessorException("script type($scriptType) is not supported")
+ }
+ }
+ return scriptComponent
+ }
+
+
+ private fun populateScriptDependencies(componentFunction: AbstractComponentFunction,
+ instanceDependencies: MutableList<String>) {
+ instanceDependencies.forEach { instanceDependency ->
+ componentFunction.functionDependencyInstances[instanceDependency] = applicationContext
+ .getBean(instanceDependency)
+ }
+ }
+} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonService.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonService.kt
new file mode 100644
index 00000000..9c039016
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonService.kt
@@ -0,0 +1,130 @@
+/*
+ * Copyright © 2019 IBM, Bell Canada.
+ *
+ * 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.execution.scripts
+
+import com.fasterxml.jackson.databind.JsonNode
+import com.fasterxml.jackson.databind.node.ArrayNode
+import org.apache.commons.io.FilenameUtils
+import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
+import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
+import org.onap.ccsdk.apps.controllerblueprints.core.checkNotEmptyOrThrow
+import org.onap.ccsdk.apps.controllerblueprints.core.data.OperationAssignment
+import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintContext
+import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.context.ApplicationContext
+import org.springframework.stereotype.Service
+import java.io.File
+
+@Service
+class BlueprintJythonService(val pythonExecutorProperty: PythonExecutorProperty,
+ private val applicationContext: ApplicationContext) {
+
+ val log: Logger = LoggerFactory.getLogger(BlueprintJythonService::class.java)
+
+ inline fun <reified T> jythonInstance(blueprintContext: BluePrintContext, pythonClassName: String, content: String,
+ dependencyInstanceNames: MutableMap<String, Any>?): T {
+
+ val blueprintBasePath: String = blueprintContext.rootPath
+ val pythonPath: MutableList<String> = arrayListOf()
+ pythonPath.add(blueprintBasePath)
+ pythonPath.addAll(pythonExecutorProperty.modulePaths)
+
+ val blueprintPythonConfigurations = BluePrintPython(pythonExecutorProperty.executionPath, pythonPath, arrayListOf())
+
+ val blueprintPythonHost = BlueprintPythonHost(blueprintPythonConfigurations)
+ val pyObject = blueprintPythonHost.getPythonComponent(content, pythonClassName, dependencyInstanceNames)
+
+ log.info("Component Object {}", pyObject)
+
+ return pyObject.__tojava__(T::class.java) as T
+ }
+
+ fun jythonComponentInstance(bluePrintContext: BluePrintContext, scriptClassReference: String):
+ AbstractComponentFunction {
+ val blueprintBasePath: String = bluePrintContext.rootPath
+
+ val pythonFileName = bluePrintContext.rootPath
+ .plus(File.separator)
+ .plus(scriptClassReference)
+
+ val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
+ log.info("Getting Jython Script Class($pythonClassName)")
+
+ val content: String = JacksonUtils.getContent(pythonFileName)
+
+ val pythonPath: MutableList<String> = arrayListOf()
+ pythonPath.add(blueprintBasePath)
+ pythonPath.addAll(pythonExecutorProperty.modulePaths)
+
+ val jythonInstances: MutableMap<String, Any> = hashMapOf()
+ jythonInstances["log"] = LoggerFactory.getLogger(pythonClassName)
+
+ return jythonInstance<AbstractComponentFunction>(bluePrintContext, pythonClassName,
+ content, jythonInstances)
+ }
+
+ fun jythonComponentInstance(abstractComponentFunction: AbstractComponentFunction): AbstractComponentFunction {
+
+ val bluePrintRuntimeService = abstractComponentFunction.bluePrintRuntimeService
+ val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
+ val nodeTemplateName: String = abstractComponentFunction.nodeTemplateName
+ val operationInputs: MutableMap<String, JsonNode> = abstractComponentFunction.operationInputs
+
+ val operationAssignment: OperationAssignment = bluePrintContext
+ .nodeTemplateInterfaceOperation(abstractComponentFunction.nodeTemplateName,
+ abstractComponentFunction.interfaceName, abstractComponentFunction.operationName)
+
+ val blueprintBasePath: String = bluePrintContext.rootPath
+
+ val artifactName: String = operationAssignment.implementation?.primary
+ ?: throw BluePrintProcessorException("missing primary field to get artifact name for node template ($nodeTemplateName)")
+
+ val artifactDefinition = bluePrintRuntimeService.resolveNodeTemplateArtifactDefinition(nodeTemplateName, artifactName)
+
+ val pythonFileName = artifactDefinition.file
+ ?: throw BluePrintProcessorException("missing file name for node template ($nodeTemplateName)'s artifactName($artifactName)")
+
+ val pythonClassName = FilenameUtils.getBaseName(pythonFileName)
+ log.info("Getting Jython Script Class($pythonClassName)")
+
+ val content: String? = bluePrintRuntimeService.resolveNodeTemplateArtifact(nodeTemplateName, artifactName)
+
+ checkNotEmptyOrThrow(content, "artifact ($artifactName) content is empty")
+
+ val pythonPath: MutableList<String> = operationAssignment.implementation?.dependencies ?: arrayListOf()
+ pythonPath.add(blueprintBasePath)
+ pythonPath.addAll(pythonExecutorProperty.modulePaths)
+
+ val jythonInstances: MutableMap<String, Any> = hashMapOf()
+ jythonInstances["log"] = LoggerFactory.getLogger(nodeTemplateName)
+
+ val instanceDependenciesNode: ArrayNode = operationInputs[PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES] as? ArrayNode
+ ?: throw BluePrintProcessorException("Failed to get property(${PythonExecutorConstants.INPUT_INSTANCE_DEPENDENCIES})")
+
+ instanceDependenciesNode.forEach { instanceName ->
+ jythonInstances[instanceName.textValue()] = applicationContext.getBean(instanceName.textValue())
+ }
+
+ val scriptComponentFunction = jythonInstance<AbstractComponentFunction>(bluePrintContext, pythonClassName,
+ content!!, jythonInstances)
+
+ return scriptComponentFunction
+
+ }
+
+} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonHost.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonHost.kt
new file mode 100644
index 00000000..e5b248b6
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonHost.kt
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2019 IBM, Bell Canada.
+ *
+ * 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.execution.scripts
+
+import org.python.core.PyObject
+import org.python.util.PythonInterpreter
+
+open class BlueprintPythonHost(private val bluePrintPython: BluePrintPython){
+ private val blueprintPythonInterpreterProxy: BlueprintPythonInterpreterProxy
+
+ init {
+ PythonInterpreter.initialize(System.getProperties(), bluePrintPython.props, bluePrintPython.argv.toTypedArray())
+ blueprintPythonInterpreterProxy = BlueprintPythonInterpreterProxy(bluePrintPython)
+ }
+
+ /**
+ * getPythonComponent Purpose: execute the python script and return the python interpreter object
+ *
+ * @param content String
+ * @param interfaceName String
+ * @param properties MutableMap<String, Any>
+ * @return pyObject PyObject
+ */
+ fun getPythonComponent(content: String?, interfaceName: String, properties: MutableMap<String, Any>?): PyObject {
+ bluePrintPython.content = content!!
+ bluePrintPython.pythonClassName = interfaceName
+ bluePrintPython.moduleName = "Blueprint Python Script [Class Name = $interfaceName]"
+
+ return blueprintPythonInterpreterProxy.getPythonInstance(properties)
+ }
+
+ //TODO Check potential errors in python scripts
+} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonInterpreterProxy.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonInterpreterProxy.kt
new file mode 100644
index 00000000..735b8d77
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintPythonInterpreterProxy.kt
@@ -0,0 +1,40 @@
+/*
+ * Copyright © 2019 IBM, Bell Canada.
+ *
+ * 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.execution.scripts
+
+import org.python.core.PyObject
+import org.python.util.PythonInterpreter
+
+open class BlueprintPythonInterpreterProxy(private val bluePrintPython: BluePrintPython): PythonInterpreter(){
+
+ fun getPythonInstance(properties: MutableMap<String, Any>?): PyObject{
+ properties?.forEach { (name, value) ->
+ this.set(name, value)
+ }
+
+ this.exec("import sys")
+
+ bluePrintPython.content.let {
+ this.exec(bluePrintPython.content)
+ }
+
+ val initCommand = bluePrintPython.pythonClassName.plus(" = ").plus(
+ bluePrintPython.pythonClassName).plus("()")
+ this.exec(initCommand)
+
+ return this.get(bluePrintPython.pythonClassName)
+ }
+} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/PythonExecutorConfiguration.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/PythonExecutorConfiguration.kt
new file mode 100644
index 00000000..fa3e3a13
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/PythonExecutorConfiguration.kt
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ *
+ * Modifications Copyright © 2019 IBM, Bell Canada.
+ *
+ * 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.execution.scripts
+
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.boot.context.properties.EnableConfigurationProperties
+import org.springframework.context.annotation.ComponentScan
+import org.springframework.context.annotation.Configuration
+import java.io.File
+import java.util.*
+
+@Configuration
+@ComponentScan
+@EnableConfigurationProperties
+open class PythonExecutorConfiguration
+
+@Configuration
+open class PythonExecutorProperty {
+ @Value("\${blueprints.processor.functions.python.executor.executionPath}")
+ lateinit var executionPath: String
+ @Value("#{'\${blueprints.processor.functions.python.executor.modulePaths}'.split(',')}")
+ lateinit var modulePaths: List<String>
+}
+
+class PythonExecutorConstants {
+ companion object {
+ const val INPUT_INSTANCE_DEPENDENCIES = "instance-dependencies"
+ }
+}
+
+open class BluePrintPython(executablePath: String, blueprintPythonPlatform: MutableList<String>,
+ val argv: MutableList<String>){
+ lateinit var moduleName: String
+ lateinit var pythonClassName: String
+ lateinit var content: String
+ var props: Properties = Properties()
+
+ init {
+ // Build up the python.path
+ val sb = StringBuilder()
+ sb.append(System.getProperty("java.class.path"))
+
+ for (p in blueprintPythonPlatform) {
+ sb.append(File.pathSeparator).append(p)
+ }
+
+ props["python.import.site"] = "true"
+ props.setProperty("python.path", sb.toString())
+ props.setProperty("python.verbose", "error")
+ props.setProperty("python.executable", executablePath)
+ }
+} \ No newline at end of file
diff --git a/ms/blueprintsprocessor/modules/services/execution-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonServiceTest.kt b/ms/blueprintsprocessor/modules/services/execution-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonServiceTest.kt
new file mode 100644
index 00000000..b48a10e9
--- /dev/null
+++ b/ms/blueprintsprocessor/modules/services/execution-service/src/test/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/services/execution/scripts/BlueprintJythonServiceTest.kt
@@ -0,0 +1,57 @@
+/*
+ * Copyright © 2019 IBM, Bell Canada.
+ *
+ * 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.execution.scripts
+
+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.execution.AbstractComponentFunction
+import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
+import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.test.context.ContextConfiguration
+import org.springframework.test.context.TestPropertySource
+import org.springframework.test.context.junit4.SpringRunner
+import kotlin.test.assertNotNull
+
+@RunWith(SpringRunner::class)
+@ContextConfiguration(classes = [BlueprintJythonService::class, PythonExecutorProperty::class])
+@TestPropertySource(properties =
+["blueprints.processor.functions.python.executor.modulePaths=./../../../../../components/scripts/python/ccsdk_blueprints",
+ "blueprints.processor.functions.python.executor.executionPath=./../../../../../components/scripts/python/ccsdk_blueprints"])
+class BlueprintJythonServiceTest {
+
+ @Autowired
+ private lateinit var blueprintJythonService: BlueprintJythonService
+
+ @Test
+ fun testGetAbstractPythonPlugin() {
+ val bluePrintContext = BluePrintMetadataUtils.getBluePrintContext(
+ "./../../../../../components/model-catalog/blueprint-model/test-blueprint/baseconfiguration")
+
+ val dependencies: MutableMap<String, Any> = hashMapOf()
+
+ val content = JacksonUtils.getContent("./../../../../." +
+ "./components/model-catalog/blueprint-model/test-blueprint/baseconfiguration/Scripts/python/SamplePythonComponentNode.py")
+
+ val abstractComponentFunction = blueprintJythonService.jythonInstance<AbstractComponentFunction>(bluePrintContext, "SamplePythonComponentNode", content, dependencies)
+
+ assertNotNull(abstractComponentFunction, "failed to get python component")
+
+ abstractComponentFunction.process(ExecutionServiceInput())
+
+ }
+} \ No newline at end of file