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>

6 files changed, 321 insertions, 0 deletions

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 000000000..87cb92bc5
--- /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 000000000..9eaa67916
--- /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 000000000..183d22297
--- /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 000000000..d7fa61c55
--- /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 000000000..d56e2fc11
--- /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 000000000..149ed9fcf
--- /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