Move cps files to root dir

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

10 files changed, 990 insertions, 0 deletions

diff --git a/cps-rest/docs/api/swagger/openapi.yml b/cps-rest/docs/api/swagger/openapi.yml
new file mode 100644
index 0000000000..9b2ac1ec5d
--- /dev/null
+++ b/cps-rest/docs/api/swagger/openapi.yml
@@ -0,0 +1,387 @@
+openapi: 3.0.1
+info:
+  title: CPS API
+  description: Configuration Persistence Service API
+  version: "1.0"
+servers:
+  - url: //localhost:8088/
+tags:
+  - name: cps-rest
+    description: cps Resource
+paths:
+  /v1/dataspaces/{dataspace-name}/:
+    delete:
+      tags:
+        - cps-rest
+      summary: Delete the given dataspace
+      operationId: deleteDataspace
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        204:
+          description: No Content
+          content: {}
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+  /v1/dataspaces/{dataspace-name}/anchors:
+    get:
+      tags:
+        - cps-rest
+      summary: Read all anchors, given a dataspace
+      operationId: getAnchors
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+    post:
+      tags:
+        - cps-rest
+      summary: Create a new anchor in the given dataspace
+      operationId: createAnchor
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              required:
+                - file
+              properties:
+                multipartFile:
+                  type: string
+                  description: multipartFile
+                  format: binary
+        required: true
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        201:
+          description: Created
+          content: {}
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+  /v1/dataspaces/{dataspace-name}/anchors/{anchor-name}:
+    get:
+      tags:
+        - cps-rest
+      summary: Read an anchor given a anchor and a dataspace
+      operationId: getAnchor
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+        - name: anchor-name
+          in: path
+          description: anchor-name
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+    delete:
+      tags:
+        - cps-rest
+      summary: Delete an anchor given a anchor and a dataspace
+      operationId: deleteAnchor
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+        - name: anchor-name
+          in: path
+          description: anchor-name
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        204:
+          description: No Content
+          content: {}
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+  /v1/dataspaces/{dataspace-name}/anchors/{anchor-name}/nodes:
+    get:
+      tags:
+        - cps-rest
+      summary: Get a node given an anchor for the given dataspace
+      operationId: getNodeByDataspaceAndAnchor
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+        - name: anchor-name
+          in: path
+          description: anchor-name
+          required: true
+          schema:
+            type: string
+      requestBody:
+        description: xpath
+        content:
+          application/json:
+            schema:
+              type: string
+        required: true
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+      x-codegen-request-body-name: xpath
+  /v1/dataspaces/{dataspace-name}/modules:
+    get:
+      tags:
+        - cps-rest
+      summary: Read all yang modules in the store
+      operationId: getModule
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+        - name: namespace-name
+          in: query
+          description: namespace-name
+          schema:
+            type: string
+        - name: revision
+          in: query
+          description: revision
+          schema:
+            type: string
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+    post:
+      tags:
+        - cps-rest
+      summary: Create modules for the given dataspace
+      operationId: createModules
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              required:
+                - file
+              properties:
+                multipartFile:
+                  type: string
+                  description: multipartFile
+                  format: binary
+        required: true
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        201:
+          description: Created
+          content: {}
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+  /v1/dataspaces/{dataspace-name}/nodes:
+    get:
+      tags:
+        - cps-rest
+      summary: Get all nodes for a given dataspace using an xpath or schema node identifier
+      operationId: getNode
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      requestBody:
+        description: requestBody
+        content:
+          application/json:
+            schema:
+              type: string
+        required: true
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+      x-codegen-request-body-name: requestBody
+    post:
+      tags:
+        - cps-rest
+      summary: Create a node for a given anchor for the given dataspace
+      operationId: createNode
+      parameters:
+        - name: dataspace-name
+          in: path
+          description: dataspace-name
+          required: true
+          schema:
+            type: string
+      requestBody:
+        content:
+          multipart/form-data:
+            schema:
+              required:
+                - file
+              properties:
+                multipartFile:
+                  type: string
+                  description: multipartFile
+                  format: binary
+        required: true
+      responses:
+        200:
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+        201:
+          description: Created
+          content: {}
+        401:
+          description: Unauthorized
+          content: {}
+        403:
+          description: Forbidden
+          content: {}
+        404:
+          description: Not Found
+          content: {}
+components: {}
\ No newline at end of file
diff --git a/cps-rest/pom.xml b/cps-rest/pom.xml
new file mode 100644
index 0000000000..4f8746a366
--- /dev/null
+++ b/cps-rest/pom.xml
@@ -0,0 +1,92 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"

+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">

+    <modelVersion>4.0.0</modelVersion>

+    <parent>

+        <groupId>org.onap.cps</groupId>

+        <artifactId>cps-parent</artifactId>

+        <version>0.0.1-SNAPSHOT</version>

+        <relativePath>../cps-parent/pom.xml</relativePath>

+    </parent>

+

+    <artifactId>cps-rest</artifactId>

+

+    <dependencies>

+        <dependency>

+            <groupId>${project.groupId}</groupId>

+            <artifactId>cps-service</artifactId>

+        </dependency>

+        <dependency>

+            <groupId>${project.groupId}</groupId>

+            <artifactId>cps-ri</artifactId>

+        </dependency>

+        <dependency>

+            <groupId>org.springframework.boot</groupId>

+            <artifactId>spring-boot-starter-web</artifactId>

+            <exclusions>

+                <exclusion>

+                    <groupId>org.springframework.boot</groupId>

+                    <artifactId>spring-boot-starter-tomcat</artifactId>

+                </exclusion>

+            </exclusions>

+        </dependency>

+        <dependency>

+            <groupId>org.springframework.boot</groupId>

+            <artifactId>spring-boot-starter-jetty</artifactId>

+        </dependency>

+        <dependency>

+            <groupId>org.springframework.boot</groupId>

+            <artifactId>spring-boot-starter-actuator</artifactId>

+        </dependency>

+        <dependency>

+            <groupId>io.swagger.core.v3</groupId>

+            <artifactId>swagger-annotations</artifactId>

+        </dependency>

+        <dependency>

+            <groupId>io.springfox</groupId>

+            <artifactId>springfox-boot-starter</artifactId>

+        </dependency>

+

+        <dependency>

+            <groupId>org.springframework.boot</groupId>

+            <artifactId>spring-boot-starter-test</artifactId>

+            <scope>test</scope>

+            <exclusions>

+                <exclusion>

+                    <groupId>org.junit.vintage</groupId>

+                    <artifactId>junit-vintage-engine</artifactId>

+                </exclusion>

+            </exclusions>

+        </dependency>

+        <!-- T E S T   D E P E N D E N C I E S -->

+        <dependency>

+            <groupId>org.codehaus.groovy</groupId>

+            <artifactId>groovy</artifactId>

+            <scope>test</scope>

+        </dependency>

+        <dependency>

+            <groupId>org.spockframework</groupId>

+            <artifactId>spock-core</artifactId>

+            <scope>test</scope>

+        </dependency>

+        <dependency>

+            <groupId>cglib</groupId>

+            <artifactId>cglib-nodep</artifactId>

+            <scope>test</scope>

+        </dependency>

+    </dependencies>

+

+    <build>

+        <plugins>

+            <plugin>

+                <groupId>org.springframework.boot</groupId>

+                <artifactId>spring-boot-maven-plugin</artifactId>

+            </plugin>

+            <!-- Swagger code generation. -->

+            <plugin>

+                <groupId>io.swagger.codegen.v3</groupId>

+                <artifactId>swagger-codegen-maven-plugin</artifactId>

+            </plugin>

+        </plugins>

+    </build>

+</project>

diff --git a/cps-rest/src/main/java/org/onap/cps/Application.java b/cps-rest/src/main/java/org/onap/cps/Application.java
new file mode 100644
index 0000000000..9f6c2edce9
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/Application.java
@@ -0,0 +1,32 @@
+/*-

+ * ============LICENSE_START=======================================================

+ *  Copyright (C) 2020 Nordix Foundation. 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.cps;

+

+import org.springframework.boot.SpringApplication;

+import org.springframework.boot.autoconfigure.SpringBootApplication;

+

+@SpringBootApplication

+public class Application {

+

+    public static void main(String[] args) {

+        SpringApplication.run(Application.class, args);

+    }

+}
\ No newline at end of file
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/controller/CpsRestController.java b/cps-rest/src/main/java/org/onap/cps/rest/controller/CpsRestController.java
new file mode 100644
index 0000000000..90c287cdaf
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/rest/controller/CpsRestController.java
@@ -0,0 +1,182 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation
+ *  Modifications Copyright (C) 2020 Bell Canada. 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.cps.rest.controller;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import javax.validation.Valid;
+import org.onap.cps.api.CpService;
+import org.onap.cps.exceptions.CpsException;
+import org.onap.cps.exceptions.CpsValidationException;
+import org.onap.cps.rest.api.CpsRestApi;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+@RestController
+public class CpsRestController implements CpsRestApi {
+
+    @Autowired
+    private CpService cpService;
+
+    @Override
+    public ResponseEntity<Object> createAnchor(@Valid MultipartFile multipartFile, String dataspaceName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> createModules(@Valid MultipartFile multipartFile, String dataspaceName) {
+        final File fileToParse = saveToFile(multipartFile);
+        final SchemaContext schemaContext = cpService.parseAndValidateModel(fileToParse);
+        cpService.storeSchemaContext(schemaContext, dataspaceName);
+        return new ResponseEntity<>("Resource successfully created", HttpStatus.CREATED);
+    }
+
+    @Override
+    public ResponseEntity<Object> createNode(@Valid MultipartFile multipartFile, String dataspaceName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> deleteAnchor(String dataspaceName, String anchorName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> deleteDataspace(String dataspaceName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> getAnchor(String dataspaceName, String anchorName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> getAnchors(String dataspaceName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> getModule(String dataspaceName, @Valid String namespaceName, @Valid String revision) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> getNode(@Valid String body, String dataspaceName) {
+        return null;
+    }
+
+    @Override
+    public ResponseEntity<Object> getNodeByDataspaceAndAnchor(@Valid String body, String dataspaceName,
+        String anchorName) {
+        return null;
+    }
+
+    /*
+    Old rest endpoints before contract first approach (Need to be removed).
+     */
+
+    /**
+     * Upload a JSON file.
+     *
+     * @param uploadedFile the JSON Multipart file.
+     * @return a ResponseEntity.
+     */
+    @PostMapping("/upload-yang-json-data-file")
+    public final ResponseEntity<String> uploadYangJsonDataFile(
+        @RequestParam("file") MultipartFile uploadedFile) {
+        validateJsonStructure(uploadedFile);
+        final int persistenceObjectId = cpService.storeJsonStructure(getJsonString(uploadedFile));
+        return new ResponseEntity<String>(
+            "Object stored in CPS with identity: " + persistenceObjectId, HttpStatus.OK);
+
+    }
+
+    /**
+     * Read a JSON Object using the object identifier.
+     *
+     * @param jsonObjectId the JSON object identifier.
+     * @return a ResponseEntity.
+     */
+    @GetMapping("/json-object/{id}")
+    public final ResponseEntity<String> getJsonObjectById(
+        @PathVariable("id") final int jsonObjectId) {
+        return new ResponseEntity<String>(cpService.getJsonById(jsonObjectId), HttpStatus.OK);
+    }
+
+    /**
+     * Delete a JSON Object using the object identifier.
+     *
+     * @param jsonObjectId the JSON object identifier.
+     * @return a ResponseEntity.
+     */
+    @DeleteMapping("json-object/{id}")
+    public final ResponseEntity<Object> deleteJsonObjectById(
+        @PathVariable("id") final int jsonObjectId) {
+        cpService.deleteJsonById(jsonObjectId);
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
+    }
+
+    private static void validateJsonStructure(final MultipartFile multipartFile) {
+        try {
+            final Gson gson = new Gson();
+            gson.fromJson(getJsonString(multipartFile), Object.class);
+        } catch (JsonSyntaxException e) {
+            throw new CpsValidationException("Not a valid JSON file.", e);
+        }
+    }
+
+    private static File saveToFile(final MultipartFile multipartFile) {
+        try {
+            final File file = File.createTempFile("tempFile", ".yang");
+            file.deleteOnExit();
+
+            try (OutputStream outputStream = new FileOutputStream(file)) {
+                outputStream.write(multipartFile.getBytes());
+            }
+            return file;
+
+        } catch (IOException e) {
+            throw new CpsException(e);
+        }
+    }
+
+    private static String getJsonString(final MultipartFile multipartFile) {
+        try {
+            return new String(multipartFile.getBytes());
+        } catch (IOException e) {
+            throw new CpsException(e);
+        }
+    }
+}
\ No newline at end of file
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java
new file mode 100644
index 0000000000..9cf4935d4e
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java
@@ -0,0 +1,98 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Pantheon.tech
+ *  ================================================================================
+ *  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.cps.rest.exceptions;
+
+import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.hibernate.exception.ConstraintViolationException;
+import org.onap.cps.exceptions.CpsException;
+import org.onap.cps.exceptions.CpsNotFoundException;
+import org.onap.cps.exceptions.CpsValidationException;
+import org.onap.cps.rest.controller.CpsRestController;
+import org.springframework.dao.EmptyResultDataAccessException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice(assignableTypes = {CpsRestController.class})
+public class CpsRestExceptionHandler {
+
+    /**
+     * Default exception handler.
+     *
+     * @param exception the exception to handle
+     * @return response with response code 500.
+     */
+    @ExceptionHandler
+    public ResponseEntity<Object> handleInternalErrorException(Exception exception) {
+        return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception);
+    }
+
+    /*
+        TODO: Rid off extra dependencies.
+
+        Generic exception handler and CpsException (incl. children) are the only
+        exceptions to be handled here. All the other exceptions which require a special
+        treatment should be rethrown as CpsException in the place of occurrence ->
+        e.g. persistence exceptions are to be handled in cps-ri module.
+     */
+
+    @ExceptionHandler({ConstraintViolationException.class})
+    public ResponseEntity<Object> handleBadRequestException(Exception exception) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, exception);
+    }
+
+    @ExceptionHandler({EmptyResultDataAccessException.class})
+    public ResponseEntity<Object> handleNotFoundException(Exception exception) {
+        return buildErrorResponse(HttpStatus.NOT_FOUND, exception);
+    }
+
+    @ExceptionHandler({CpsException.class})
+    public ResponseEntity<Object> handleCpsException(CpsException exception) {
+        return buildErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR, exception.getMessage(), extractDetails(exception));
+    }
+
+    @ExceptionHandler({CpsValidationException.class})
+    public ResponseEntity<Object> handleCpsValidationException(CpsException exception) {
+        return buildErrorResponse(HttpStatus.BAD_REQUEST, exception.getMessage(), extractDetails(exception));
+    }
+
+    @ExceptionHandler({CpsNotFoundException.class})
+    public ResponseEntity<Object> handleCpsNotFoundException(CpsException exception) {
+        return buildErrorResponse(HttpStatus.NOT_FOUND, exception.getMessage(), extractDetails(exception));
+    }
+
+    private static ResponseEntity<Object> buildErrorResponse(HttpStatus status, Exception exception) {
+        return buildErrorResponse(status, exception.getMessage(), ExceptionUtils.getStackTrace(exception));
+    }
+
+    private static ResponseEntity<Object> buildErrorResponse(HttpStatus status, String message, String details) {
+        return new ResponseEntity<>(
+            ErrorMessage.builder().status(status.toString()).message(message).details(details).build(),
+            status
+        );
+    }
+
+    private static String extractDetails(CpsException exception) {
+        return exception.getCause() == null
+            ? exception.getDetails()
+            : ExceptionUtils.getStackTrace(exception.getCause());
+    }
+}
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/exceptions/ErrorMessage.java b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/ErrorMessage.java
new file mode 100644
index 0000000000..1f2a0b7860
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/ErrorMessage.java
@@ -0,0 +1,37 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Pantheon.tech
+ *  ================================================================================
+ *  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.cps.rest.exceptions;
+
+import lombok.Builder;
+import lombok.Data;
+
+/**
+ * Temporary POJO class used as error response model.
+ * TODO: To replace with model class generated from Open API specification.
+ *
+ */
+@Builder
+@Data
+public class ErrorMessage {
+    private String status;
+    private String message;
+    private String details;
+}
+
diff --git a/cps-rest/src/main/java/org/onap/cps/swagger/config/SpringFoxConfig.java b/cps-rest/src/main/java/org/onap/cps/swagger/config/SpringFoxConfig.java
new file mode 100644
index 0000000000..73e179511b
--- /dev/null
+++ b/cps-rest/src/main/java/org/onap/cps/swagger/config/SpringFoxConfig.java
@@ -0,0 +1,46 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Bell Canada. 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.cps.swagger.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+
+/**
+ * Swagger configuration.
+ */
+@Configuration
+public class SpringFoxConfig {
+
+    /**
+     * Define api configuration.
+     */
+    @Bean
+    public Docket api() {
+        return new Docket(DocumentationType.OAS_30)
+                       .select()
+                       .apis(RequestHandlerSelectors.any())
+                       .paths(PathSelectors.any())
+                       .build();
+    }
+}
diff --git a/cps-rest/src/main/resources/application.yml b/cps-rest/src/main/resources/application.yml
new file mode 100644
index 0000000000..e8af0bcfb2
--- /dev/null
+++ b/cps-rest/src/main/resources/application.yml
@@ -0,0 +1,40 @@
+server:

+    port: 8080

+    servlet:

+        context-path: /api/cps

+

+spring:

+    main:

+        banner-mode: "off"

+# for POC only, later this should move to cpi-ri module

+    jpa:

+        ddl-auto: create

+        open-in-view: false

+        properties:

+            hibernate:

+                enable_lazy_load_no_trans: true

+                dialect: org.hibernate.dialect.PostgreSQLDialect

+

+    datasource:

+        url: jdbc:postgresql://${DB_HOST}:5432/cpsdb

+        username: ${DB_USERNAME}

+        password: ${DB_PASSWORD}

+        driverClassName: org.postgresql.Driver

+        initialization-mode: always

+

+# Actuator

+management:

+    endpoints:

+        web:

+            base-path: /manage

+    endpoint:

+        health:

+            show-details: always

+            # kubernetes probes: liveness and readiness

+            probes:

+                enabled: true

+

+logging:

+    level:

+        org:

+            springframework: INFO

diff --git a/cps-rest/src/main/resources/logback-spring.xml b/cps-rest/src/main/resources/logback-spring.xml
new file mode 100644
index 0000000000..8a4ae07c5b
--- /dev/null
+++ b/cps-rest/src/main/resources/logback-spring.xml
@@ -0,0 +1,48 @@
+<configuration scan="true" debug="false">
+    <include resource="org/springframework/boot/logging/logback/base.xml" />
+
+    <property name="queueSize" value="256" />
+    <property name="maxFileSize" value="20MB" />
+    <property name="maxHistory" value="30" />
+    <property name="totalSizeCap" value="20MB" />
+
+    <!-- log file names -->
+    <property name="logName" value="cps" />
+
+    <property name="currentTimeStamp" value="%d{&quot;yyyy-MM-dd'T'HH:mm:ss.SSSXXX&quot;,UTC}"/>
+
+    <property name="debugPattern"
+        value="%d{yyyy-MM-dd'T'HH:mm:ss.SSSXXX}|%thread|%X{RequestID}| %logger{50} - %msg%n" />
+
+    <appender name="Debug"
+        class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>../log/${logName}.log</file>
+        <rollingPolicy
+            class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
+            <fileNamePattern>${logName}.%d{yyyy-MM-dd}.%i.log.zip
+            </fileNamePattern>
+            <maxFileSize>${maxFileSize}</maxFileSize>
+            <maxHistory>${maxHistory}</maxHistory>
+            <totalSizeCap>${totalSizeCap}</totalSizeCap>
+        </rollingPolicy>
+        <encoder>
+            <pattern>${debugPattern}</pattern>
+        </encoder>
+    </appender>
+
+    <appender name="asyncDebug" class="ch.qos.logback.classic.AsyncAppender">
+        <queueSize>256</queueSize>
+        <appender-ref ref="Debug" />
+        <includeCallerData>true</includeCallerData>
+    </appender>
+
+    <logger name="org.onap.cps" level="DEBUG" additivity="false">
+        <appender-ref ref="asyncDebug" />
+    </logger>
+
+
+    <root level="INFO">
+        <appender-ref ref="asyncDebug" />
+    </root>
+
+</configuration>
\ No newline at end of file
diff --git a/cps-rest/src/main/resources/openapi-configuration.json b/cps-rest/src/main/resources/openapi-configuration.json
new file mode 100644
index 0000000000..ad5998feb7
--- /dev/null
+++ b/cps-rest/src/main/resources/openapi-configuration.json
@@ -0,0 +1,28 @@
+{

+    "resourcePackages": [

+        "org.onap.cps.rest.controller"

+    ],

+    "prettyPrint": true,

+    "cacheTTL": 0,

+    "openAPI": {

+        "info": {

+            "title": "ONAP Open API v3 CPS Spec",

+            "description": "The API Description may be multiline, and GitHub Flavored Markdown, GFM syntax, can be used for rich text representation.",

+            "x-logo": {

+                "url": "logo.png"

+            },

+            "contact": {

+                "name": "ONAP",

+                "url": "https://onap.readthedocs.io",

+                "email": "onap-discuss@lists.onap.org"

+            },

+            "license": {

+                "name": "Apache 2.0",

+                "url": "http://www.apache.org/licenses/LICENSE-2.0"

+            },

+            "version": "1.2.34",

+            "x-planned-retirement-date": "202207",

+            "x-component": "Modeling"

+        }

+    }

+}