API for RestconfClient

API for RestconfClient including:
- RestconfApiCallNode
- RestconfDiscoveryNode

Change-Id: Ieda6251b91b6d399cd0106993c3fdd1a440d5b0a
Issue-ID: CCSDK-371
Signed-off-by: Gaurav Agrawal <gaurav.agrawal@huawei.com>

19 files changed, 899 insertions, 3 deletions

diff --git a/features/ccsdk-sli-plugins-all/pom.xml b/features/ccsdk-sli-plugins-all/pom.xml
index 756e7590..d41b4802 100644
--- a/features/ccsdk-sli-plugins-all/pom.xml
+++ b/features/ccsdk-sli-plugins-all/pom.xml
@@ -51,8 +51,12 @@
 			<type>xml</type>
 			<classifier>features</classifier>
 		</dependency>
-
-
-	
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>ccsdk-restconf-client</artifactId>
+			<version>${project.version}</version>
+			<type>xml</type>
+			<classifier>features</classifier>
+		</dependency>
 	</dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index ecdce650..164d81e2 100755
--- a/pom.xml
+++ b/pom.xml
@@ -24,6 +24,7 @@
         <module>properties-node</module>
         <module>restapi-call-node</module>
         <module>sshapi-call-node</module>
+        <module>restconf-client</module>
         <module>features</module>
     </modules>
 
diff --git a/restconf-client/.gitignore b/restconf-client/.gitignore
new file mode 100755
index 00000000..b73caf31
--- /dev/null
+++ b/restconf-client/.gitignore
@@ -0,0 +1,34 @@
+#####standard .git ignore entries#####
+
+## IDE Specific Files ##
+org.eclipse.core.resources.prefs
+.classpath
+.project
+.settings
+.idea
+.externalToolBuilders
+maven-eclipse.xml
+workspace
+
+## Compilation Files ##
+*.class
+**/target
+target
+target-ide
+MANIFEST.MF
+
+## Misc Ignores (OS specific etc) ##
+bin/
+dist
+*~
+*.ipr
+*.iml
+*.iws
+classes
+out/
+.DS_STORE
+.metadata
+
+## Folders which contain auto generated source code ##
+yang-gen-config
+yang-gen-sal
diff --git a/restconf-client/features/ccsdk-restconf-client/pom.xml b/restconf-client/features/ccsdk-restconf-client/pom.xml
new file mode 100644
index 00000000..8bdfe87a
--- /dev/null
+++ b/restconf-client/features/ccsdk-restconf-client/pom.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.onap.ccsdk.parent</groupId>
+		<artifactId>single-feature-parent</artifactId>
+		<version>1.1.0-SNAPSHOT</version>
+		<relativePath />
+	</parent>
+
+	<groupId>org.onap.ccsdk.sli.plugins</groupId>
+	<artifactId>ccsdk-restconf-client</artifactId>
+	<version>0.3.0-SNAPSHOT</version>
+	<packaging>feature</packaging>
+
+	<name>ccsdk-sli-plugins :: restconf-client :: ${project.artifactId}</name>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.opendaylight.mdsal.model</groupId>
+				<artifactId>mdsal-model-artifacts</artifactId>
+				<version>${odl.mdsal.model.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+			<dependency>
+				<groupId>org.opendaylight.controller</groupId>
+				<artifactId>mdsal-artifacts</artifactId>
+				<version>${odl.mdsal.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.onap.ccsdk.sli.core</groupId>
+			<artifactId>ccsdk-sli</artifactId>
+			<version>${ccsdk.sli.core.version}</version>
+			<type>xml</type>
+			<classifier>features</classifier>
+		</dependency>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>restconf-client-provider</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+</project>
diff --git a/restconf-client/features/features-restconf-client/pom.xml b/restconf-client/features/features-restconf-client/pom.xml
new file mode 100644
index 00000000..8ee5e7e2
--- /dev/null
+++ b/restconf-client/features/features-restconf-client/pom.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.onap.ccsdk.parent</groupId>
+		<artifactId>feature-repo-parent</artifactId>
+		<version>1.1.0-SNAPSHOT</version>
+		<relativePath/>
+	</parent>
+
+	<groupId>org.onap.ccsdk.sli.plugins</groupId>
+	<artifactId>features-restconf-client</artifactId>
+	<version>0.3.0-SNAPSHOT</version>
+	<packaging>feature</packaging>
+
+	<name>ccsdk-sli-plugins :: restconf-client :: ${project.artifactId}</name>
+
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>ccsdk-restconf-client</artifactId>
+			<version>${project.version}</version>
+			<type>xml</type>
+			<classifier>features</classifier>
+		</dependency>
+
+	</dependencies>
+</project>
diff --git a/restconf-client/features/pom.xml b/restconf-client/features/pom.xml
new file mode 100755
index 00000000..c94be00b
--- /dev/null
+++ b/restconf-client/features/pom.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onap.ccsdk.parent</groupId>
+        <artifactId>odlparent-lite</artifactId>
+        <version>1.1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.onap.ccsdk.sli.plugins</groupId>
+    <artifactId>restconf-client-features</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <name>ccsdk-sli-plugins :: restconf-client :: ${project.artifactId}</name>
+
+    <modules>
+        <module>ccsdk-restconf-client</module>
+        <module>features-restconf-client</module>
+    </modules>
+</project>
diff --git a/restconf-client/features/src/main/resources/features.xml b/restconf-client/features/src/main/resources/features.xml
new file mode 100644
index 00000000..d7907ac2
--- /dev/null
+++ b/restconf-client/features/src/main/resources/features.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+  -->
+
+
+<features name="sdnc-restconf-client-${project.version}"
+	xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://karaf.apache.org/xmlns/features/v1.2.0 http://karaf.apache.org/xmlns/features/v1.2.0">
+
+	<repository>mvn:org.opendaylight.mdsal/features-mdsal/${odl.mdsal.features.version}/xml/features</repository>
+
+	<feature name='sdnc-restconf-client' description="sdnc-restconf-client"
+		version='${project.version}'>
+		<feature>sdnc-sli</feature>
+		<feature>spring</feature>
+		<feature>spring-dm</feature>
+		<bundle>mvn:com.sun.jersey/jersey-client/${jersey.version}</bundle>
+		<bundle>mvn:com.sun.jersey.contribs.jersey-oauth/oauth-signature/${jersey.version}</bundle>
+		<bundle>mvn:com.sun.jersey.contribs.jersey-oauth/oauth-client/${jersey.version}</bundle>
+		<bundle>mvn:org.codehaus.jettison/jettison/${jettison.version}</bundle>
+		<bundle>mvn:org.onap.ccsdk.sli.plugins/restconf-client-provider/${project.version}</bundle>
+	</feature>
+
+</features>
diff --git a/restconf-client/installer/pom.xml b/restconf-client/installer/pom.xml
new file mode 100755
index 00000000..ee632d43
--- /dev/null
+++ b/restconf-client/installer/pom.xml
@@ -0,0 +1,148 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.onap.ccsdk.parent</groupId>
+		<artifactId>odlparent-lite</artifactId>
+		<version>1.1.0-SNAPSHOT</version>
+	</parent>
+
+	<groupId>org.onap.ccsdk.sli.plugins</groupId>
+	<artifactId>restconf-client-installer</artifactId>
+	<version>0.3.0-SNAPSHOT</version>
+	<packaging>pom</packaging>
+
+	<name>ccsdk-sli-plugins :: restconf-client :: ${project.artifactId}</name>
+
+	<properties>
+		<application.name>ccsdk-restconf-client</application.name>
+		<features.boot>${application.name}</features.boot>
+        <features.repositories>mvn:org.onap.ccsdk.sli.plugins/${features.boot}/${project.version}/xml/features</features.repositories>
+		<include.transitive.dependencies>false</include.transitive.dependencies>
+	</properties>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.onap.ccsdk.sli.plugins</groupId>
+			<artifactId>${application.name}</artifactId>
+			<version>${project.version}</version>
+			<type>xml</type>
+			<classifier>features</classifier>
+			<exclusions>
+				<exclusion>
+					<groupId>*</groupId>
+					<artifactId>*</artifactId>
+				</exclusion>
+			</exclusions>
+		</dependency>
+
+		<dependency>
+			<groupId>org.onap.ccsdk.sli.plugins</groupId>
+			<artifactId>restconf-client-provider</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<version>2.6</version>
+				<executions>
+					<execution>
+						<id>maven-repo-zip</id>
+						<goals>
+							<goal>single</goal>
+						</goals>
+						<phase>package</phase>
+						<configuration>
+							<attach>true</attach>
+							<finalName>stage/${application.name}-${project.version}</finalName>
+							<descriptors>
+								<descriptor>src/assembly/assemble_mvnrepo_zip.xml</descriptor>
+							</descriptors>
+							<appendAssemblyId>true</appendAssemblyId>
+						</configuration>
+					</execution>
+					<execution>
+						<id>installer-zip</id>
+						<goals>
+							<goal>single</goal>
+						</goals>
+						<phase>package</phase>
+						<configuration>
+							<attach>true</attach>
+							<finalName>${application.name}-${project.version}-installer</finalName>
+							<descriptors>
+								<descriptor>src/assembly/assemble_installer_zip.xml</descriptor>
+							</descriptors>
+							<appendAssemblyId>false</appendAssemblyId>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>copy-dependencies</id>
+						<goals>
+							<goal>copy-dependencies</goal>
+						</goals>
+						<phase>prepare-package</phase>
+						<configuration>
+							<transitive>false</transitive>
+							<outputDirectory>${project.build.directory}/assembly/system</outputDirectory>
+							<overWriteReleases>false</overWriteReleases>
+							<overWriteSnapshots>true</overWriteSnapshots>
+							<overWriteIfNewer>true</overWriteIfNewer>
+							<useRepositoryLayout>true</useRepositoryLayout>
+							<addParentPoms>false</addParentPoms>
+							<copyPom>false</copyPom>
+							<excludeGroupIds>org.onap.ccsdk.sli.core</excludeGroupIds>
+							<scope>provided</scope>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<artifactId>maven-resources-plugin</artifactId>
+				<version>2.6</version>
+				<executions>
+					<execution>
+						<id>copy-version</id>
+						<goals>
+							<goal>copy-resources</goal>
+						</goals><!-- here the phase you need -->
+						<phase>validate</phase>
+						<configuration>
+							<outputDirectory>${basedir}/target/stage</outputDirectory>
+							<resources>
+								<resource>
+									<directory>src/main/resources/scripts</directory>
+									<includes>
+										<include>install-feature.sh</include>
+									</includes>
+									<filtering>true</filtering>
+								</resource>
+							</resources>
+						</configuration>
+					</execution>
+
+				</executions>
+			</plugin>
+
+		</plugins>
+	</build>
+</project>
diff --git a/restconf-client/installer/src/assembly/assemble_installer_zip.xml b/restconf-client/installer/src/assembly/assemble_installer_zip.xml
new file mode 100644
index 00000000..8ffcb88a
--- /dev/null
+++ b/restconf-client/installer/src/assembly/assemble_installer_zip.xml
@@ -0,0 +1,58 @@
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+  -->
+
+<!-- Defines how we build the .zip file which is our distribution. -->
+
+<assembly
+	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+	<id>installer_zip</id>
+	<formats>
+		<format>zip</format>
+	</formats>
+
+	<!--  we want "system" and related files right at the root level
+		  as this file is suppose to be unzip on top of a karaf
+		  distro. -->
+	<includeBaseDirectory>false</includeBaseDirectory>
+
+	<fileSets>
+		<fileSet>
+			<directory>target/stage/</directory>
+			<outputDirectory>${application.name}</outputDirectory>
+			<fileMode>755</fileMode>
+			<includes>
+				<include>*.sh</include>
+			</includes>
+		</fileSet>
+		<fileSet>
+			<directory>target/stage/</directory>
+			<outputDirectory>${application.name}</outputDirectory>
+			<fileMode>644</fileMode>
+			<excludes>
+				<exclude>*.sh</exclude>
+			</excludes>
+		</fileSet>
+	</fileSets>
+
+
+
+</assembly>
diff --git a/restconf-client/installer/src/assembly/assemble_mvnrepo_zip.xml b/restconf-client/installer/src/assembly/assemble_mvnrepo_zip.xml
new file mode 100644
index 00000000..252c39d3
--- /dev/null
+++ b/restconf-client/installer/src/assembly/assemble_mvnrepo_zip.xml
@@ -0,0 +1,48 @@
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+  -->
+
+<!-- Defines how we build the .zip file which is our distribution. -->
+
+<assembly
+	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+	<id>repo</id>
+	<formats>
+		<format>zip</format>
+	</formats>
+
+	<!--  we want "system" and related files right at the root level
+		  as this file is suppose to be unzip on top of a karaf
+		  distro. -->
+	<includeBaseDirectory>false</includeBaseDirectory>
+
+	<fileSets>
+		<fileSet>
+			<directory>target/assembly/</directory>
+			<outputDirectory>.</outputDirectory>
+			<excludes>
+			</excludes>
+		</fileSet>
+	</fileSets>
+
+
+
+</assembly>
diff --git a/restconf-client/installer/src/main/resources/scripts/install-feature.sh b/restconf-client/installer/src/main/resources/scripts/install-feature.sh
new file mode 100644
index 00000000..8e9195d5
--- /dev/null
+++ b/restconf-client/installer/src/main/resources/scripts/install-feature.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+###
+# ============LICENSE_START=======================================================
+# ONAP : CCSDK
+# ================================================================================
+# Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+# ============LICENSE_END=========================================================
+###
+
+ODL_HOME=${ODL_HOME:-/opt/opendaylight/current}
+ODL_KARAF_CLIENT=${ODL_KARAF_CLIENT:-${ODL_HOME}/bin/client}
+INSTALLERDIR=$(dirname $0)
+
+REPOZIP=${INSTALLERDIR}/${features.boot}-${project.version}.zip
+
+if [ -f ${REPOZIP} ]
+then
+	unzip -nd ${ODL_HOME} ${REPOZIP}
+else
+	echo "ERROR : repo zip ($REPOZIP) not found"
+	exit 1
+fi
+
+${ODL_KARAF_CLIENT} feature:repo-add ${features.repositories}
+${ODL_KARAF_CLIENT} feature:install ${features.boot}
diff --git a/restconf-client/pom.xml b/restconf-client/pom.xml
new file mode 100755
index 00000000..fecbd2b9
--- /dev/null
+++ b/restconf-client/pom.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onap.ccsdk.parent</groupId>
+        <artifactId>odlparent-lite</artifactId>
+        <version>1.1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.onap.ccsdk.sli.plugins</groupId>
+    <artifactId>restconf-client</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <name>ccsdk-sli-plugins :: restconf-client</name>
+    <description>This is an implementation of DG Execute Node that makes a call to an external RESTCONF API</description>
+
+    <modules>
+        <module>provider</module>
+        <module>features</module>
+        <module>installer</module>
+    </modules>
+</project>
diff --git a/restconf-client/provider/pom.xml b/restconf-client/provider/pom.xml
new file mode 100755
index 00000000..776240e0
--- /dev/null
+++ b/restconf-client/provider/pom.xml
@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onap.ccsdk.parent</groupId>
+        <artifactId>binding-parent</artifactId>
+        <version>1.1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.onap.ccsdk.sli.plugins</groupId>
+    <artifactId>restconf-client-provider</artifactId>
+    <version>0.3.0-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <name>ccsdk-sli-plugins :: restconf-client :: ${project.artifactId}</name>
+    <url>http://maven.apache.org</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.ccsdk.sli.core</groupId>
+            <artifactId>sli-common</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.onap.ccsdk.sli.core</groupId>
+            <artifactId>sli-provider</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.jersey</groupId>
+            <artifactId>jersey-client</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.jersey.contribs.jersey-oauth</groupId>
+            <artifactId>oauth-signature</artifactId>
+            <version>${jersey.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.jersey.contribs.jersey-oauth</groupId>
+            <artifactId>oauth-client</artifactId>
+            <version>${jersey.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jettison</groupId>
+            <artifactId>jettison</artifactId>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfapiCallNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfapiCallNode.java
new file mode 100644
index 00000000..87cb92bc
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfapicall/RestconfapiCallNode.java
@@ -0,0 +1,65 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfapicall;
+
+import java.util.Map;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+/**
+ * Representation of a plugin to enable RESTCONF based CRUD operations from DG.
+ */
+public class RestconfapiCallNode implements SvcLogicJavaPlugin {
+
+    public RestconfapiCallNode() {
+    }
+
+    /**
+     * Allows Directed Graphs  the ability to interact with RESTCONF APIs.
+     * @param parameters HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>templateFileName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
+     *      <tr><td>restapiUrl</td><td>Mandatory</td><td>url to send the request to</td><td>https://sdncodl:8543/restconf/operations/L3VNF-API:create-update-vnf-request</td></tr>
+     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
+     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
+     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
+     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
+     *      <tr><td>httpMethod</td><td>Optional</td><td>http method to use when sending the request</td><td>get post put delete patch</td></tr>
+     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the response will be written to in context memory</td><td>tmp.resconftapi.result</td></tr>
+     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
+     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
+     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
+     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     * @since 11.0.2
+     * @see String#split(String, int)
+     */
+    public void sendRequest(Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
+        //TODO
+    }
+
+}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
new file mode 100644
index 00000000..9eaa6791
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/RestconfDiscoveryNode.java
@@ -0,0 +1,25 @@
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import java.util.Map;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+
+/**
+ * Created by root1 on 18/7/18.
+ */
+public class RestconfDiscoveryNode implements SvcLogicDiscoveryPlugin {
+
+    @Override
+    public void establishSubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
+
+    }
+
+    @Override
+    public void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
+
+    }
+
+    @Override
+    public void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx) {
+
+    }
+}
diff --git a/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
new file mode 100644
index 00000000..183d2229
--- /dev/null
+++ b/restconf-client/provider/src/main/java/org/onap/ccsdk/sli/plugins/restconfdiscovery/SvcLogicDiscoveryPlugin.java
@@ -0,0 +1,110 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.plugins.restconfdiscovery;
+
+import java.util.Map;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+/**
+ * Abstraction of a plugin to enable discovery from DG.
+ */
+public interface SvcLogicDiscoveryPlugin extends SvcLogicJavaPlugin {
+
+    /**
+     * Allows directed graphs to establish a discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
+     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
+     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
+     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
+     *      <tr><td>filterURL</td><td>Optional</td><td>url which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
+     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
+     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
+     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
+     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
+     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
+     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
+     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
+     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
+     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
+     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
+     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     * @since 11.0.2
+     * @see String#split(String, int)
+     */
+    void establishSubscription(Map<String, String> paramMap, SvcLogicContext ctx);
+
+    /**
+     * Allows directed graphs to modify a discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
+     *      <tr><td>templateDirName</td><td>Optional</td><td>full path to YANG directory that can be used to build a request</td><td>/sdncopt/bvc/resconfapi/test</td></tr>
+     *      <tr><td>establishSubscriptionURL</td><td>Mandatory</td><td>url to establish connection with server</td><td>https://127.0.0.1:8181/restconf/operations/ietf-subscribed-notifications:establish-subscription</td></tr>
+     *      <tr><td>sseConnectURL</td><td>Mandatory</td><td>url to setup SSE connection with server</td><td>https://127.0.0.1:8181/restconf/streams/yang-push-json</td></tr>
+     *      <tr><td>callbackDG</td><td>Mandatory</td><td>callback DG to process the received notification</td><td>Resource-Discovery:handleSOTNTopology</td></tr>
+     *      <tr><td>filterURL</td><td>Optional</td><td>url filter list which needs to be subscribed, if null subscribe to all</td><td>http://example.com/sample-data/1.0</td></tr>
+     *      <tr><td>subscriptionType</td><td>Optional</td><td>type of subscription, periodic or onDataChange</td><td>onDataChange</td></tr>
+     *      <tr><td>updateFrequency</td><td>Optional</td><td>update frequency in milli seconds when subscription type is periodic</td><td>1000</td></tr>
+     *      <tr><td>restapiUser</td><td>Optional</td><td>user name to use for http basic authentication</td><td>sdnc_ws</td></tr>
+     *      <tr><td>restapiPassword</td><td>Optional</td><td>unencrypted password to use for http basic authentication</td><td>plain_password</td></tr>
+     *      <tr><td>contentType</td><td>Optional</td><td>http content type to set in the http header</td><td>usually application/json or application/xml</td></tr>
+     *      <tr><td>format</td><td>Optional</td><td>should match request body format</td><td>json or xml</td></tr>
+     *      <tr><td>responsePrefix</td><td>Optional</td><td>location the notification response will be written to in context memory</td><td>tmp.restconfdiscovery.result</td></tr>
+     *      <tr><td>skipSending</td><td>Optional</td><td></td><td>true or false</td></tr>
+     *      <tr><td>convertResponse </td><td>Optional</td><td>whether the response should be converted</td><td>true or false</td></tr>
+     *      <tr><td>customHttpHeaders</td><td>Optional</td><td>a list additional http headers to be passed in, follow the format in the example</td><td>X-CSI-MessageId=messageId,headerFieldName=headerFieldValue</td></tr>
+     *      <tr><td>dumpHeaders</td><td>Optional</td><td>when true writes http header content to context memory</td><td>true or false</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     * @since 11.0.2
+     * @see String#split(String, int)
+     */
+    void modifySubscription(Map<String, String> paramMap, SvcLogicContext ctx);
+
+    /**
+     * Allows directed graphs to delete the discovery subscription for a given subscriber.
+     * @param paramMap HashMap<String,String> of parameters passed by the DG to this function
+     * <table border="1">
+     *  <thead><th>parameter</th><th>Mandatory/Optional</th><th>description</th><th>example values</th></thead>
+     *  <tbody>
+     *      <tr><td>subscriberId</td><td>Mandatory</td><td>subscription subscriber's identifier</td><td>topologyId/1111</td></tr>
+     *  </tbody>
+     * </table>
+     * @param ctx Reference to context memory
+     * @throws SvcLogicException
+     */
+    void deleteSubscription(Map<String, String> paramMap, SvcLogicContext ctx);
+
+}
diff --git a/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-context.xml b/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-context.xml
new file mode 100644
index 00000000..d7fa61c5
--- /dev/null
+++ b/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-context.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+  -->
+
+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans
+        http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
+            <property name="locations">
+            <list>
+                <value>file:${SDNC_CONFIG_DIR}/ueb.properties</value>
+                <value>file:${SDNC_CONFIG_DIR}/dme2.properties</value>
+            </list>
+        </property>
+        <property name="ignoreResourceNotFound" value="true" />
+        <property name="ignoreUnresolvablePlaceholders" value="true" />
+    </bean>
+
+    <!-- context:property-placeholder location="file:${SDNC_CONFIG_DIR}/ueb.properties" /-->
+
+    <bean id="restconfapiCallNode" class="org.onap.ccsdk.sli.plugins.restconfapicall.RestconfapiCallNode">
+        <property name="uebServers" value="${servers}" />
+    </bean>
+
+    <bean id="restconfDiscoveryNode" class="org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode">
+        <property name="uebServers" value="${servers}" />
+    </bean>
+
+</beans>
diff --git a/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-osgi-context.xml b/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-osgi-context.xml
new file mode 100644
index 00000000..d56e2fc1
--- /dev/null
+++ b/restconf-client/provider/src/main/resources/META-INF/spring/restconf-client-osgi-context.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+  -->
+
+<beans:beans xmlns="http://www.springframework.org/schema/osgi"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans"
+    xsi:schemaLocation="http://www.springframework.org/schema/osgi
+       http://www.springframework.org/schema/osgi/spring-osgi.xsd
+       http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <service ref="restconfapiCallNode" interface="org.onap.ccsdk.sli.plugins.restconfapicall.RestconfapiCallNode" />
+    <service ref="restconfDiscoveryNode" interface="org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode" />
+
+</beans:beans>
diff --git a/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml b/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml
new file mode 100755
index 00000000..149ed9fc
--- /dev/null
+++ b/restconf-client/provider/src/main/resources/org/opendaylight/blueprint/restconf-client-blueprint.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * ============LICENSE_START=======================================================
+ * ONAP - CCSDK
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Technologies Co., Ltd. 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.
+ * ============LICENSE_END=========================================================
+  -->
+
+<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
+           xmlns:odl="http://opendaylight.org/xmlns/blueprint/v1.0.0"
+           odl:use-default-for-reference-types="true">
+
+    <bean id="restconfapiCallNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfapicall.RestconfapiCallNode" />
+    <bean id="restconfDiscoveryNodeProvider" class="org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode" />
+
+    <service ref="restconfapiCallNodeProvider">
+        <interfaces>
+            <value>org.onap.ccsdk.sli.plugins.restconfapicall.RestconfapiCallNode</value>
+        </interfaces>
+    </service>
+
+    <service ref="restconfDiscoveryNodeProvider">
+        <interfaces>
+            <value>org.onap.ccsdk.sli.plugins.restconfdiscovery.RestconfDiscoveryNode</value>
+        </interfaces>
+    </service>
+
+</blueprint>
\ No newline at end of file