From c2784b9d1c5b0ba5bcf366aa123ee577290e87cc Mon Sep 17 00:00:00 2001
From: Charitha Goonetilleke <charitha@entgra.io>
Date: Tue, 3 Mar 2020 03:20:51 +0000
Subject: [PATCH] Add Health Check API

---
 .../extensions/health-check-api/pom.xml       | 162 ++++++++++++++++++
 .../io/entgra/healthcheck/HealthCheck.java    |  55 ++++++
 .../io/entgra/healthcheck/utils/APIUtils.java |  44 +++++
 .../webapp/META-INF/webapp-classloading.xml   |  34 ++++
 .../src/main/webapp/WEB-INF/cxf-servlet.xml   |  35 ++++
 .../src/main/webapp/WEB-INF/web.xml           |  37 ++++
 components/extensions/pom.xml                 |   1 +
 .../DeviceManagementProviderServiceMock.java  |   5 +
 .../pom.xml                                   | 117 +++++++++++++
 .../src/main/resources/api/health-check.xml   |  29 ++++
 .../src/main/resources/build.properties       |  19 ++
 .../src/main/resources/p2.inf                 |   9 +
 features/extensions-feature/pom.xml           |   1 +
 pom.xml                                       |   5 +
 14 files changed, 553 insertions(+)
 create mode 100644 components/extensions/health-check-api/pom.xml
 create mode 100644 components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/HealthCheck.java
 create mode 100644 components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/utils/APIUtils.java
 create mode 100644 components/extensions/health-check-api/src/main/webapp/META-INF/webapp-classloading.xml
 create mode 100644 components/extensions/health-check-api/src/main/webapp/WEB-INF/cxf-servlet.xml
 create mode 100644 components/extensions/health-check-api/src/main/webapp/WEB-INF/web.xml
 create mode 100644 features/extensions-feature/io.entgra.health.check.api.feature/pom.xml
 create mode 100755 features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/api/health-check.xml
 create mode 100644 features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/build.properties
 create mode 100644 features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/p2.inf

diff --git a/components/extensions/health-check-api/pom.xml b/components/extensions/health-check-api/pom.xml
new file mode 100644
index 0000000000..27bf21b09c
--- /dev/null
+++ b/components/extensions/health-check-api/pom.xml
@@ -0,0 +1,162 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+  ~
+  ~ Entgra (pvt) Ltd. licenses this file to you 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.
+  -->
+<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.wso2.carbon.devicemgt-plugins</groupId>
+        <artifactId>extensions</artifactId>
+        <version>5.0.7-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>health-check-api</artifactId>
+    <version>5.0.7-SNAPSHOT</version>
+
+    <packaging>war</packaging>
+    <name>Entgra - Health check API</name>
+    <url>http://entgra.io</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-war-plugin</artifactId>
+                <configuration>
+                    <packagingExcludes>WEB-INF/lib/*cxf*.jar</packagingExcludes>
+                    <warName>api#health-check#v1.0</warName>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>deploy</id>
+            <build>
+                <defaultGoal>compile</defaultGoal>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-antrun-plugin</artifactId>
+                        <version>1.7</version>
+                        <executions>
+                            <execution>
+                                <phase>compile</phase>
+                                <goals>
+                                    <goal>run</goal>
+                                </goals>
+                                <configuration>
+                                    <tasks>
+                                        <copy todir="${basedir}/../repository/deployment/server/webapps" overwrite="true">
+                                            <fileset dir="${basedir}/target">
+                                                <include name="api#health-check#v1.0.war" />
+                                            </fileset>
+                                        </copy>
+                                    </tasks>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        <profile>
+            <id>client</id>
+            <build>
+                <defaultGoal>test</defaultGoal>
+                <plugins>
+                    <plugin>
+                        <groupId>org.codehaus.mojo</groupId>
+                        <artifactId>exec-maven-plugin</artifactId>
+                        <version>1.2.1</version>
+                        <executions>
+                            <execution>
+                                <phase>test</phase>
+                                <goals>
+                                    <goal>java</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxws</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-frontend-jaxrs</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-transports-http</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.ws.rs</groupId>
+            <artifactId>jsr311-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.utils</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon</groupId>
+            <artifactId>org.wso2.carbon.logging</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.device.mgt.common</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.wso2.carbon.devicemgt</groupId>
+            <artifactId>org.wso2.carbon.device.mgt.core</artifactId>
+            <scope>provided</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.apache.axis2.wso2</groupId>
+                    <artifactId>axis2-client</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/HealthCheck.java b/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/HealthCheck.java
new file mode 100644
index 0000000000..354ff27b2e
--- /dev/null
+++ b/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/HealthCheck.java
@@ -0,0 +1,55 @@
+/*
+ *   Copyright (c) 2020, Entgra (pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ *   Entgra (pvt) Ltd. licenses this file to you under the Apache License,
+ *   Version 2.0 (the "License"); you may not use this file except
+ *   in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing,
+ *   software distributed under the License is distributed on an
+ *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *   KIND, either express or implied.  See the License for the
+ *   specific language governing permissions and limitations
+ *   under the License.
+ *
+ */
+
+package io.entgra.healthcheck;
+
+import io.entgra.healthcheck.utils.APIUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.device.mgt.common.EnrolmentInfo;
+import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
+import org.wso2.carbon.utils.multitenancy.MultitenantConstants;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+
+@Path("/")
+public class HealthCheck {
+
+    private static Log log = LogFactory.getLog(HealthCheck.class);
+
+    @GET
+    public Response check() {
+        try {
+            PrivilegedCarbonContext.startTenantFlow();
+            PrivilegedCarbonContext.getThreadLocalCarbonContext()
+                    .setTenantDomain(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME, true);
+            DeviceManagementProviderService dms = APIUtils.getDeviceManagementService();
+            return Response.ok("OK")
+                    .entity(dms.getFunctioningDevicesInSystem()).build();
+        } catch (Exception e) {
+            log.error("Error occurred while invoking health check,", e);
+            return Response.serverError().entity(e.getMessage()).build();
+        } finally {
+            PrivilegedCarbonContext.endTenantFlow();
+        }
+    }
+}
diff --git a/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/utils/APIUtils.java b/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/utils/APIUtils.java
new file mode 100644
index 0000000000..02f19eabe4
--- /dev/null
+++ b/components/extensions/health-check-api/src/main/java/io/entgra/healthcheck/utils/APIUtils.java
@@ -0,0 +1,44 @@
+/*
+ *   Copyright (c) 2020, Entgra (pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ *   Entgra (pvt) Ltd. licenses this file to you under the Apache License,
+ *   Version 2.0 (the "License"); you may not use this file except
+ *   in compliance with the License.
+ *   You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *   Unless required by applicable law or agreed to in writing,
+ *   software distributed under the License is distributed on an
+ *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *   KIND, either express or implied.  See the License for the
+ *   specific language governing permissions and limitations
+ *   under the License.
+ *
+ */
+package io.entgra.healthcheck.utils;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.wso2.carbon.context.PrivilegedCarbonContext;
+import org.wso2.carbon.device.mgt.core.service.DeviceManagementProviderService;
+
+public class APIUtils {
+
+    private static Log log = LogFactory.getLog(APIUtils.class);
+    private static DeviceManagementProviderService deviceManagementProviderService = null;
+
+    public static DeviceManagementProviderService getDeviceManagementService() {
+        if (deviceManagementProviderService == null) {
+            PrivilegedCarbonContext ctx = PrivilegedCarbonContext.getThreadLocalCarbonContext();
+            deviceManagementProviderService =
+                    (DeviceManagementProviderService) ctx.getOSGiService(DeviceManagementProviderService.class, null);
+            if (deviceManagementProviderService == null) {
+                String msg = "DeviceImpl Management provider service has not initialized.";
+                log.error(msg);
+                throw new IllegalStateException(msg);
+            }
+        }
+        return deviceManagementProviderService;
+    }
+}
diff --git a/components/extensions/health-check-api/src/main/webapp/META-INF/webapp-classloading.xml b/components/extensions/health-check-api/src/main/webapp/META-INF/webapp-classloading.xml
new file mode 100644
index 0000000000..92d38b3c72
--- /dev/null
+++ b/components/extensions/health-check-api/src/main/webapp/META-INF/webapp-classloading.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!--
+  ~ Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+  ~
+  ~ Entgra (pvt) Ltd. licenses this file to you 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.
+  -->
+
+<!--
+    This file defines class loading policy of the whole container. But this behaviour can be overridden by individual webapps by putting this file into the META-INF/ directory.   
+-->
+<Classloading xmlns="http://wso2.org/projects/as/classloading">
+
+    <!-- Parent-first or child-first. Default behaviour is child-first.-->
+    <ParentFirst>false</ParentFirst>
+
+    <!-- 
+	Default environments that contains provides to all the webapps. This can be overridden by individual webapps by specifing required environments 
+	Tomcat environment is the default and every webapps gets it even if they didn't specify it.
+	e.g. If a webapps requires CXF, they will get both Tomcat and CXF.
+     -->
+    <Environments>CXF,Carbon</Environments>
+</Classloading>
diff --git a/components/extensions/health-check-api/src/main/webapp/WEB-INF/cxf-servlet.xml b/components/extensions/health-check-api/src/main/webapp/WEB-INF/cxf-servlet.xml
new file mode 100644
index 0000000000..aa0b187164
--- /dev/null
+++ b/components/extensions/health-check-api/src/main/webapp/WEB-INF/cxf-servlet.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+  ~
+  ~ Entgra (pvt) Ltd. licenses this file to you 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.
+  -->
+
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:jaxrs="http://cxf.apache.org/jaxrs"
+       xmlns="http://www.springframework.org/schema/beans"
+       xsi:schemaLocation="
+         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
+         http://cxf.apache.org/jaxrs http://cxf.apache.org/schemas/jaxrs.xsd">
+
+    <jaxrs:server id="services" address="/">
+        <jaxrs:serviceBeans>
+            <ref bean="healthCheckService"/>
+        </jaxrs:serviceBeans>
+    </jaxrs:server>
+
+    <bean id="healthCheckService" class="io.entgra.healthcheck.HealthCheck"/>
+
+</beans>
diff --git a/components/extensions/health-check-api/src/main/webapp/WEB-INF/web.xml b/components/extensions/health-check-api/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..cb92ef15d7
--- /dev/null
+++ b/components/extensions/health-check-api/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+  ~
+  ~ Entgra (pvt) Ltd. licenses this file to you 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.
+  -->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
+    <display-name>Admin-Webapp</display-name>
+    <servlet>
+        <description>JAX-WS/JAX-RS Health Check Endpoint</description>
+        <display-name>JAX-WS/JAX-RS Health Check</display-name>
+        <servlet-name>CXFServlet</servlet-name>
+        <servlet-class>
+            org.apache.cxf.transport.servlet.CXFServlet
+        </servlet-class>
+        <load-on-startup>1</load-on-startup>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>CXFServlet</servlet-name>
+        <url-pattern>/*</url-pattern>
+    </servlet-mapping>
+    <session-config>
+        <session-timeout>60</session-timeout>
+    </session-config>
+</web-app>
diff --git a/components/extensions/pom.xml b/components/extensions/pom.xml
index 99d0f8572c..2fc7633fb8 100644
--- a/components/extensions/pom.xml
+++ b/components/extensions/pom.xml
@@ -38,6 +38,7 @@
         <module>siddhi-extensions</module>
 		<module>pull-notification-listeners</module>
         <module>remote-session-extension</module>
+        <module>health-check-api</module>
     </modules>
 
     <build>
diff --git a/components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.core/src/test/java/org/wso2/carbon/device/mgt/mobile/android/core/mokcs/DeviceManagementProviderServiceMock.java b/components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.core/src/test/java/org/wso2/carbon/device/mgt/mobile/android/core/mokcs/DeviceManagementProviderServiceMock.java
index 7caccd4af5..9bd50a2f02 100644
--- a/components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.core/src/test/java/org/wso2/carbon/device/mgt/mobile/android/core/mokcs/DeviceManagementProviderServiceMock.java
+++ b/components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.core/src/test/java/org/wso2/carbon/device/mgt/mobile/android/core/mokcs/DeviceManagementProviderServiceMock.java
@@ -757,6 +757,11 @@ public class DeviceManagementProviderServiceMock implements DeviceManagementProv
         return null;
     }
 
+    @Override
+    public int getFunctioningDevicesInSystem() throws DeviceManagementException {
+        return 0;
+    }
+
     @Override
     public boolean deleteDevices(List<String> deviceIdentifiers)
             throws DeviceManagementException, InvalidDeviceException {
diff --git a/features/extensions-feature/io.entgra.health.check.api.feature/pom.xml b/features/extensions-feature/io.entgra.health.check.api.feature/pom.xml
new file mode 100644
index 0000000000..2126632519
--- /dev/null
+++ b/features/extensions-feature/io.entgra.health.check.api.feature/pom.xml
@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+  ~ Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+  ~
+  ~ Entgra (pvt) Ltd. licenses this file to you 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.
+  -->
+
+<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/maven-v4_0_0.xsd">
+
+    <parent>
+        <groupId>org.wso2.carbon.devicemgt-plugins</groupId>
+        <artifactId>extensions-feature</artifactId>
+        <version>5.0.7-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>io.entgra.health.check.api.feature</artifactId>
+    <version>5.0.7-SNAPSHOT</version>
+    <packaging>pom</packaging>
+    <name>Entgra - Health Check API Feature</name>
+    <url>http://entgra.io</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-resources-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-resources</id>
+                        <phase>generate-resources</phase>
+                        <goals>
+                            <goal>copy-resources</goal>
+                        </goals>
+                        <configuration>
+                            <outputDirectory>src/main/resources</outputDirectory>
+                            <resources>
+                                <resource>
+                                    <directory>resources</directory>
+                                    <includes>
+                                        <include>build.properties</include>
+                                        <include>p2.inf</include>
+                                    </includes>
+                                </resource>
+                            </resources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-jaxrs-war</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>org.wso2.carbon.devicemgt-plugins</groupId>
+                                    <artifactId>health-check-api</artifactId>
+                                    <type>war</type>
+                                    <overWrite>true</overWrite>
+                                    <outputDirectory>
+                                        ${project.build.directory}/maven-shared-archive-resources/webapps/
+                                    </outputDirectory>
+                                    <destFileName>api#health-check#v1.0.war</destFileName>
+                                </artifactItem>
+                            </artifactItems>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.wso2.maven</groupId>
+                <artifactId>carbon-p2-plugin</artifactId>
+                <version>${carbon.p2.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>p2-feature-generation</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>p2-feature-gen</goal>
+                        </goals>
+                        <configuration>
+                            <id>io.entgra.health.check.api</id>
+                            <propertiesFile>../../../features/etc/feature.properties</propertiesFile>
+                            <adviceFile>
+                                <properties>
+                                    <propertyDef>org.wso2.carbon.p2.category.type:server</propertyDef>
+                                    <propertyDef>org.eclipse.equinox.p2.type.group:true</propertyDef>
+                                </properties>
+                            </adviceFile>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/api/health-check.xml b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/api/health-check.xml
new file mode 100755
index 0000000000..59c5153bae
--- /dev/null
+++ b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/api/health-check.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~  Copyright (c) 2019, Entgra (pvt) Ltd. (http://entgra.io)
+  ~
+  ~  All Rights Reserved.
+  ~
+  ~  Unauthorized copying of this file, via any medium is strictly prohibited.
+  ~  Proprietary and confidential.
+  -->
+
+<api context="/" name="health-check-api" xmlns="http://ws.apache.org/ns/synapse">
+    <resource faultSequence="fault" methods="GET" url-mapping="/">
+        <inSequence>
+            <payloadFactory>
+                <format>
+                    <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
+                        <soapenv:Body>
+                            <text xmlns="http://ws.apache.org/commons/ns/payload">OK</text>
+                        </soapenv:Body>
+                    </soapenv:Envelope>
+                </format>
+            </payloadFactory>
+            <property name="messageType" value="text/plain" scope="axis2"/>
+            <respond/>
+        </inSequence>
+        <outSequence>
+        </outSequence>
+    </resource>
+</api>
diff --git a/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/build.properties b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/build.properties
new file mode 100644
index 0000000000..e6e21811e0
--- /dev/null
+++ b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/build.properties
@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2020, Entgra (pvt) Ltd. (http://entgra.io) All Rights Reserved.
+#
+# Entgra (pvt) Ltd. licenses this file to you 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.
+#
+
+custom = true
diff --git a/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/p2.inf b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/p2.inf
new file mode 100644
index 0000000000..464f7a84f4
--- /dev/null
+++ b/features/extensions-feature/io.entgra.health.check.api.feature/src/main/resources/p2.inf
@@ -0,0 +1,9 @@
+instructions.configure = \
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment);\
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server);\
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/webapps/);\
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/synapse-configs/);\
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/synapse-configs/default/);\
+org.eclipse.equinox.p2.touchpoint.natives.mkdir(path:${installFolder}/../../deployment/server/synapse-configs/default/api/);\
+org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/io.entgra.health.check.api_${feature.version}/webapps/api#health-check#v1.0.war,target:${installFolder}/../../deployment/server/webapps/api#health-check#v1.0.war,overwrite:true);\
+org.eclipse.equinox.p2.touchpoint.natives.copy(source:${installFolder}/../features/io.entgra.health.check.api_${feature.version}/api/health-check.xml,target:${installFolder}/../../deployment/server/synapse-configs/default/api/health-check.xml,overwrite:true);\
\ No newline at end of file
diff --git a/features/extensions-feature/pom.xml b/features/extensions-feature/pom.xml
index 77265a6c82..40cb22ecd0 100644
--- a/features/extensions-feature/pom.xml
+++ b/features/extensions-feature/pom.xml
@@ -34,6 +34,7 @@
     <url>http://wso2.org</url>
 
     <modules>
+        <module>io.entgra.health.check.api.feature</module>
         <module>org.wso2.carbon.device.mgt.adapter.feature</module>
         <module>org.wso2.carbon.andes.extensions.device.mgt.mqtt.authorization.feature</module>
         <module>org.wso2.carbon.andes.extensions.device.mgt.api.feature</module>
diff --git a/pom.xml b/pom.xml
index 814a1301a7..610f454662 100644
--- a/pom.xml
+++ b/pom.xml
@@ -415,6 +415,11 @@
             </dependency>
 
             <!--IoT Server specific dependencies-->
+            <dependency>
+                <groupId>org.wso2.carbon.devicemgt-plugins</groupId>
+                <artifactId>health-check-api</artifactId>
+                <version>${carbon.devicemgt.plugins.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.wso2.carbon.devicemgt-plugins</groupId>
                 <artifactId>org.wso2.extension.siddhi.device</artifactId>