[ONOS-6879] Adding Controller Metrics Application, To retrive memory, Disk and CPU usage for all controller
Change-Id: I5976f0194555c1c3c42d6b6d09c468d6dfc983ff
diff --git a/apps/nodemetrics/BUCK b/apps/nodemetrics/BUCK
new file mode 100644
index 0000000..65c845e
--- /dev/null
+++ b/apps/nodemetrics/BUCK
@@ -0,0 +1,17 @@
+BUNDLES = [
+ '//apps/nodemetrics/api:onos-apps-nodemetrics-api',
+ '//apps/nodemetrics/mgr:onos-apps-nodemetrics-mgr',
+]
+
+onos_app(
+ app_name = 'org.onosproject.nodemetrics',
+ title = 'Controller Monitor Application',
+ description = '1.Nodemetrics Application uses, sigar library to fetch Controller information.'+
+ '2. The Sigar library uses Native libraries and currently It supports Windows, Linux and MacOs platform.'+
+ '3. The Native libraries like .so, .dll and .dylib are packed as jar along with sigar libs.'+
+ '4. If the Native libraries are corrupted because of any reason,'+
+ 'so, the controller is vulnerable to crash of the entire JVM',
+ category = 'Utility',
+ url = 'http://samsung.com',
+ included_bundles = BUNDLES
+)
\ No newline at end of file
diff --git a/apps/nodemetrics/api/BUCK b/apps/nodemetrics/api/BUCK
new file mode 100644
index 0000000..42b99a6
--- /dev/null
+++ b/apps/nodemetrics/api/BUCK
@@ -0,0 +1,9 @@
+COMPILE_DEPS = [
+ '//lib:CORE_DEPS',
+ '//lib:sigar',
+
+]
+
+osgi_jar_with_tests(
+ deps = COMPILE_DEPS,
+)
\ No newline at end of file
diff --git a/apps/nodemetrics/api/pom.xml b/apps/nodemetrics/api/pom.xml
new file mode 100644
index 0000000..16dfd04
--- /dev/null
+++ b/apps/nodemetrics/api/pom.xml
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2018 Open Networking Foundation
+ ~
+ ~ 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.
+ -->
+<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.onosproject</groupId>
+ <artifactId>onos-apps-nodemetrics</artifactId>
+ <version>1.14.0-SNAPSHOT</version>
+ </parent>
+
+
+ <artifactId>onos-apps-nodemetrics-api</artifactId>
+ <packaging>bundle</packaging>
+
+ <description>ONOS Nodemetrics API</description>
+ <url>http://onosproject.org</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <onos.version>${project.version}</onos.version>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <scope>test</scope>
+ <classifier>tests</classifier>
+ </dependency>
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-scr-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>generate-scr-srcdescriptor</id>
+ <goals>
+ <goal>scr</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <supportedProjectTypes>
+ <supportedProjectType>bundle</supportedProjectType>
+ <supportedProjectType>war</supportedProjectType>
+ </supportedProjectTypes>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>cfg</id>
+ <phase>generate-resources</phase>
+ <goals>
+ <goal>cfg</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>swagger</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>swagger</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>app</id>
+ <phase>package</phase>
+ <goals>
+ <goal>app</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeCpu.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeCpu.java
new file mode 100644
index 0000000..87a79c0
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeCpu.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.nodemetrics;
+
+import com.google.common.base.MoreObjects;
+import org.onosproject.cluster.NodeId;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents CPU usage info of Cluster controllers.
+ */
+public final class NodeCpu {
+ private final NodeId node;
+ private final double usage;
+
+ private NodeCpu(final NodeId node, final Double usage) {
+ this.node = node;
+ this.usage = usage;
+ }
+
+ /**
+ * Overall usage of CPU includes combined usage of
+ * (user,sys,nice,idle,wait,irq,softIrq and stolen) etc.
+ * @return usage is overall usage of CPU for the Specific Node.
+ */
+ public double usage() {
+ return usage;
+ }
+
+ @Override
+ public String toString() {
+
+ return MoreObjects.toStringHelper(this)
+ .add("node", this.node)
+ .add("usage", String.format("%.2f%s", this.usage, "%"))
+ .toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(node, usage);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ final NodeCpu other = (NodeCpu) obj;
+ return Objects.equals(this.node, other.node)
+ && Objects.equals(this.usage, other.usage);
+ }
+
+ /**
+ * Builder for the DefaultNodeCpu object.
+ */
+ public static final class Builder {
+ /**
+ * Builds the DefaultNodeCpu.
+ **/
+ private NodeId node;
+ private Double usage;
+
+ /**
+ * Sets the DefaultNodeCpu usage from Library.
+ *
+ * @param usage of CPU
+ * @return self for chaining
+ */
+ public Builder usage(final Double usage) {
+ this.usage = usage;
+ return this;
+ }
+
+ /**
+ * Sets the new DefaultNodeCpu controller node id.
+ *
+ * @param node the nodeId
+ * @return self for chaining
+ */
+ public Builder withNode(final NodeId node) {
+ this.node = node;
+ return this;
+ }
+
+ public NodeCpu build() {
+ checkNotNull(node, "Must specify an node id");
+ checkNotNull(usage, "Must specify a usage");
+ return new NodeCpu(node, usage);
+ }
+ }
+
+}
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeDiskUsage.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeDiskUsage.java
new file mode 100644
index 0000000..280c230
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeDiskUsage.java
@@ -0,0 +1,207 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.nodemetrics;
+
+import com.google.common.base.MoreObjects;
+import org.onosproject.cluster.NodeId;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents Disk usage of Cluster controllers.
+ */
+public final class NodeDiskUsage {
+
+ private final NodeId node;
+
+ private final long free;
+
+ private final long used;
+
+ private final long total;
+
+ private final Units units;
+
+ private final double usage;
+
+ private static final double PERCENTAGE_MULTIPLIER = 100.0;
+
+ private NodeDiskUsage(final NodeId node, final Long free,
+ final Long used, final Long total, final Units units,
+ final Double usage) {
+ this.node = node;
+ this.free = free;
+ this.used = used;
+ this.total = total;
+ this.units = units;
+ this.usage = usage;
+ }
+
+ /**
+ * @return free disk space available available for the specific nodeId.
+ */
+ public long free() {
+ return free;
+ }
+
+ /**
+ * @return used disk space used for the specific nodeId.
+ */
+ public long used() {
+ return used;
+ }
+
+ /**
+ * @return total disk space for the specific nodeId..
+ */
+ public long total() {
+ return total;
+ }
+
+ /**
+ * @return units in Kbs /Mbs/ Gbs.
+ */
+ public Units units() {
+ return units;
+ }
+
+ /**
+ * Percentage of Disk usage is calculated from Used,
+ * Available and Total Disk available in Specific Node.
+ * @return usage overall usage of Disk space for the specific nodeId.
+ */
+ public double usage() {
+ return usage;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(node, free, used, total, units, usage);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("node", this.node)
+ .add("free", this.free)
+ .add("used", this.used)
+ .add("total", this.total)
+ .add("units", this.units)
+ .add("usage", this.usage + "%")
+ .toString();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ NodeDiskUsage other = (NodeDiskUsage) obj;
+ return Objects.equals(this.node, other.node)
+ && Objects.equals(this.free, other.free)
+ && Objects.equals(this.used, other.used)
+ && Objects.equals(this.total, other.total)
+ && Objects.equals(this.units, other.units)
+ && Objects.equals(this.usage, other.usage);
+ }
+
+ /**
+ * Builder for the NodeDiskusage object.
+ */
+ public static final class Builder {
+ /**
+ * Builds the NodeDiskusage.
+ **/
+ private NodeId node;
+ private Units unit;
+ private Long free;
+ private Long used;
+ private Long total;
+
+ /**
+ * Sets the new NodeDiskusage controller nodeid.
+ *
+ * @param node the nodeId
+ * @return self for chaining
+ */
+ public Builder withNode(final NodeId node) {
+ this.node = node;
+ return this;
+ }
+
+ /**
+ * Sets the new NodeDiskusage Disk size units(bytes, Kbs, Mbs,
+ * Gbs).
+ *
+ * @param unit the units
+ * @return self for chaining
+ */
+ public Builder withUnit(final Units unit) {
+ this.unit = unit;
+ return this;
+ }
+
+ /**
+ * Sets the new NodeDiskusage controller free space.
+ *
+ * @param free the free space
+ * @return self for chaining
+ */
+ public Builder free(final Long free) {
+ this.free = free;
+ return this;
+ }
+
+ /**
+ * Sets the new NodeDiskusage controller used space.
+ *
+ * @param used the used space
+ * @return self for chaining
+ */
+ public Builder used(final Long used) {
+ this.used = used;
+ return this;
+ }
+
+ /**
+ * Sets the new NodeDiskusage controller total disk.
+ *
+ * @param total the total disk space
+ * @return self for chaining
+ */
+ public Builder total(final Long total) {
+ this.total = total;
+ return this;
+ }
+
+ public NodeDiskUsage build() {
+ checkNotNull(node, "Must specify an node id");
+ checkNotNull(unit, "Must specify a unit");
+ checkNotNull(used, "Must specify a used Diskspace");
+ checkNotNull(free, "Must specify a free Diskspace");
+ checkNotNull(total, "Must specify a total Diskspace");
+ double usage = used * PERCENTAGE_MULTIPLIER / total;
+ return new NodeDiskUsage(node, free, used, total, unit, usage);
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMemory.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMemory.java
new file mode 100644
index 0000000..399bc90
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMemory.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics;
+
+import com.google.common.base.MoreObjects;
+import org.onosproject.cluster.NodeId;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents Memory usage of Cluster controllers.
+ */
+public final class NodeMemory {
+
+ private final NodeId node;
+
+ private final Units units;
+
+ private final long free;
+
+ private final long used;
+
+ private final long total;
+
+ private final double usage;
+
+ private static final double PERCENTAGE_MULTIPLIER = 100.0;
+
+ private NodeMemory(final NodeId node, final Units units,
+ final Long free, final Long used, final Long total,
+ final Double usage) {
+ this.node = node;
+ this.units = units;
+ this.free = free;
+ this.used = used;
+ this.total = total;
+ this.usage = usage;
+ }
+
+ /**
+ * @return free memory available for the specific nodeId.
+ */
+ public long free() {
+ return free;
+ }
+
+ /**
+ * @return used memory for the specific nodeId..
+ */
+ public long used() {
+ return used;
+ }
+
+ /**
+ * @return total memory for the specific nodeId..
+ */
+ public long total() {
+ return total;
+ }
+
+ /**
+ * @return memory in Kbs / Mbs etc.
+ */
+ public Units units() {
+ return units;
+ }
+
+ /**
+ * Percentage of Memory usage is calculated from Used, Available and Total Memory.
+ * @return usage overall usage of memory in percentage for the specific node.
+ */
+ public double usage() {
+ return usage;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(node, free, used, total, units, usage);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("node", this.node)
+ .add("free", this.free)
+ .add("used", this.used)
+ .add("total", this.total)
+ .add("units", this.units.toString())
+ .add("usage", this.usage + "%")
+ .toString();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ NodeMemory other = (NodeMemory) obj;
+ return Objects.equals(this.node, other.node)
+ && Objects.equals(this.free, other.free)
+ && Objects.equals(this.used, other.used)
+ && Objects.equals(this.total, other.total)
+ && Objects.equals(this.units, other.units)
+ && Objects.equals(this.usage, other.usage);
+ }
+
+ /**
+ * Builder for the DefaultNodeMemory object.
+ */
+ public static final class Builder {
+ /**
+ * Builds the DefaultNodeMemory.
+ **/
+ private NodeId node;
+ private Units unit;
+ private Long free;
+ private Long used;
+ private Long total;
+
+ /**
+ * Sets the new DefaultNodeMemory controller nodeId.
+ *
+ * @param node nodeId
+ * @return self for chaining
+ */
+ public Builder withNode(final NodeId node) {
+ this.node = node;
+ return this;
+ }
+
+ /**
+ * Sets the new DefaultNodeMemory Disk size units(bytes, Kbs, Mbs, Gbs).
+ *
+ * @param unit units
+ * @return self for chaining
+ */
+ public Builder withUnit(final Units unit) {
+ this.unit = unit;
+ return this;
+ }
+
+ /**
+ * Sets the new DefaultNodeMemory controller free space.
+ *
+ * @param free free space
+ * @return self for chaining
+ */
+ public Builder free(final Long free) {
+ this.free = free;
+ return this;
+ }
+
+ /**
+ * Sets the new DefaultNodeMemory controller used space.
+ *
+ * @param used used space
+ * @return self for chaining
+ */
+ public Builder used(final Long used) {
+ this.used = used;
+ return this;
+ }
+
+ /**
+ * Sets the new DefaultNodeMemory controller total disk.
+ *
+ * @param total the total disk space
+ * @return self for chaining
+ */
+ public Builder total(final Long total) {
+ this.total = total;
+ return this;
+ }
+
+ public NodeMemory build() {
+ checkNotNull(node, "Must specify an node id");
+ checkNotNull(unit, "Must specify a unit");
+ checkNotNull(used, "Must specify a used Diskspace");
+ checkNotNull(free, "Must specify a free Diskspace");
+ checkNotNull(total, "Must specify a total Diskspace");
+ double usage = used * PERCENTAGE_MULTIPLIER / total;
+ return new NodeMemory(node, unit, free, used, total, usage);
+ }
+
+ }
+
+}
\ No newline at end of file
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMetricsService.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMetricsService.java
new file mode 100644
index 0000000..1228fb0
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/NodeMetricsService.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics;
+
+import org.onosproject.cluster.NodeId;
+
+import java.util.Map;
+
+/**
+ * Nodemetrics Application is to fetch Controller Resource metrics.
+ * The Control Resource metrics includes Memory,
+ * CPU usage and Disk usage of All the cluster nodes.
+ */
+public interface NodeMetricsService {
+ /**
+ * Returns may memory information of all Cluster nodes.
+ * @return map
+ */
+ Map<NodeId, NodeMemory> memory();
+
+ /**
+ * Returns may disk information of all Cluster nodes.
+ * @return map
+ */
+ Map<NodeId, NodeDiskUsage> disk();
+
+ /**
+ * Returns may CPU information of all Cluster nodes.
+ * @return map object, NodeId as key and NodeCpu information as value.
+ */
+ Map<NodeId, NodeCpu> cpu();
+
+ /**
+ * Get the memory information of Specific Cluster node.
+ * @param nodeid to get Memory information of that respective cluster node.
+ * @return Nodememory object.
+ */
+ NodeMemory memory(NodeId nodeid);
+
+ /**
+ * Get the disk information of Specific Cluster node.
+ * @param nodeid to get disk information of that respective cluster node.
+ * @return NodeDiskUsage object.
+ */
+ NodeDiskUsage disk(NodeId nodeid);
+
+ /**
+ * Get the CPU information of Specific Cluster node.
+ * @param nodeid to get CPU information of that respective cluster node.
+ * @return NodeCpu object.
+ */
+ NodeCpu cpu(NodeId nodeid);
+}
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/Units.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/Units.java
new file mode 100644
index 0000000..30e85a9
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/Units.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics;
+
+public enum Units {
+ /**
+ * Units for Memory and Disk.
+ */
+ BYTES("bytes"), KBYTES("Kbs"), MBYTES("Mbs"), GBYTES("Gbs");
+
+ private final String units;
+
+ Units(String units) {
+ this.units = units;
+ }
+
+ /**
+ * Returns units for Memory and Diskusage.
+ * @return units for Memory and Diskusage
+ */
+ public String units() {
+ return units;
+ }
+}
diff --git a/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/package-info.java b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/package-info.java
new file mode 100644
index 0000000..1f4d7ed
--- /dev/null
+++ b/apps/nodemetrics/api/src/main/java/org/onosproject/nodemetrics/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+/**
+ * Module to fetch Node Metrics.
+ */
+package org.onosproject.nodemetrics;
\ No newline at end of file
diff --git a/apps/nodemetrics/mgr/BUCK b/apps/nodemetrics/mgr/BUCK
new file mode 100644
index 0000000..35d3657
--- /dev/null
+++ b/apps/nodemetrics/mgr/BUCK
@@ -0,0 +1,13 @@
+COMPILE_DEPS = [
+ '//lib:CORE_DEPS',
+ '//lib:sigar',
+ '//lib:org.apache.karaf.shell.console',
+ '//apps/nodemetrics/api:onos-apps-nodemetrics-api',
+ '//core/store/serializers:onos-core-serializers',
+ '//cli:onos-cli',
+ '//lib:KRYO',
+]
+
+osgi_jar_with_tests(
+ deps = COMPILE_DEPS,
+)
\ No newline at end of file
diff --git a/apps/nodemetrics/mgr/pom.xml b/apps/nodemetrics/mgr/pom.xml
new file mode 100644
index 0000000..b9ea3b7
--- /dev/null
+++ b/apps/nodemetrics/mgr/pom.xml
@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2018 Open Networking Foundation
+ ~
+ ~ 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.
+ -->
+<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.onosproject</groupId>
+ <artifactId>onos-apps-nodemetrics</artifactId>
+ <version>1.14.0-SNAPSHOT</version>
+ </parent>
+
+
+ <artifactId>onos-apps-nodemetrics-mgr</artifactId>
+ <packaging>bundle</packaging>
+
+ <description>ONOS nodemetrics API</description>
+ <url>http://onosproject.org</url>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <onos.version>${project.version}</onos.version>
+ </properties>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-models-openconfig</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+
+
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-api</artifactId>
+ <scope>test</scope>
+ <classifier>tests</classifier>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-apps-nodemetrics-api</artifactId>
+ <version>1.14.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>org.knowhowlab.osgi</groupId>
+ <artifactId>sigar</artifactId>
+ <version>1.6.5_01</version>
+ </dependency>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-core-serializers</artifactId>
+ <version>1.14.0-SNAPSHOT</version>
+ </dependency>
+ <dependency>
+ <groupId>biz.aQute.bnd</groupId>
+ <artifactId>biz.aQute.bndlib</artifactId>
+ <version>3.5.0</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.karaf.shell</groupId>
+ <artifactId>org.apache.karaf.shell.console</artifactId>
+ <version>3.0.8</version>
+ </dependency>
+
+
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-scr-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>generate-scr-srcdescriptor</id>
+ <goals>
+ <goal>scr</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <supportedProjectTypes>
+ <supportedProjectType>bundle</supportedProjectType>
+ <supportedProjectType>war</supportedProjectType>
+ </supportedProjectTypes>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>cfg</id>
+ <phase>generate-resources</phase>
+ <goals>
+ <goal>cfg</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>swagger</id>
+ <phase>generate-sources</phase>
+ <goals>
+ <goal>swagger</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>app</id>
+ <phase>package</phase>
+ <goals>
+ <goal>app</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeCpuUsageCommand.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeCpuUsageCommand.java
new file mode 100644
index 0000000..a122791
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeCpuUsageCommand.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.nodemetrics.NodeCpu;
+import org.onosproject.nodemetrics.NodeMetricsService;
+
+import java.util.Collection;
+import java.util.Objects;
+
+/**
+ * Lists cpu usage across nodes.
+ */
+@Command(scope = "onos", name = "node-cpu",
+ description = "Lists all node cpu utilization")
+public class ShowNodeCpuUsageCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "nodeId", description = "Node identity",
+ required = false, multiValued = false)
+ String nodeId = null;
+ private NodeMetricsService nodeService = AbstractShellCommand
+ .get(NodeMetricsService.class);
+
+ @Override
+ protected void execute() {
+ if (nodeId != null) {
+ NodeCpu cpu = nodeService.cpu(NodeId.nodeId(nodeId));
+ if (Objects.nonNull(cpu)) {
+ print("CPU usage : %s ", cpu);
+ } else {
+ print("Node %s doesn't exists", nodeId);
+ }
+ } else {
+ Collection<NodeCpu> cpu = nodeService.cpu().values();
+ printCpuUsage(cpu);
+ }
+ }
+
+ private void printCpuUsage(Collection<NodeCpu> cpuList) {
+ cpuList.forEach(cpu -> print("%s", cpu));
+ }
+}
+
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeDiskUsageCommand.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeDiskUsageCommand.java
new file mode 100644
index 0000000..8dc0f09
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeDiskUsageCommand.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.nodemetrics.NodeDiskUsage;
+import org.onosproject.nodemetrics.NodeMetricsService;
+
+import java.util.Collection;
+import java.util.Objects;
+
+/**
+ * Lists disk usage across nodes.
+ */
+@Command(scope = "onos", name = "node-disk",
+ description = "Lists all node disk utilization")
+public class ShowNodeDiskUsageCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "nodeId", description = "Node identity",
+ required = false, multiValued = false)
+ String nodeId = null;
+ private NodeMetricsService nodeService = AbstractShellCommand
+ .get(NodeMetricsService.class);
+
+ @Override
+ protected void execute() {
+ if (nodeId != null) {
+ NodeDiskUsage disk = nodeService.disk(NodeId.nodeId(nodeId));
+ if (Objects.nonNull(disk)) {
+ print("Disk usage : %s", disk);
+ } else {
+ print("Node %s doesn't exists", nodeId);
+ }
+
+ } else {
+ Collection<NodeDiskUsage> disk = nodeService.disk().values();
+ printDiskUsage(disk);
+ }
+ }
+
+ private void printDiskUsage(Collection<NodeDiskUsage> diskList) {
+ diskList.forEach(disk -> print("%s", disk));
+ }
+}
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeMemoryCommand.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeMemoryCommand.java
new file mode 100644
index 0000000..3c6ec5b
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/ShowNodeMemoryCommand.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.nodemetrics.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.nodemetrics.NodeMemory;
+import org.onosproject.nodemetrics.NodeMetricsService;
+
+import java.util.Collection;
+import java.util.Objects;
+
+/**
+ * Lists memory usage across nodes.
+ */
+@Command(scope = "onos", name = "node-memory",
+ description = "Lists all node memory utilization")
+public class ShowNodeMemoryCommand extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "nodeId", description = "Node identity",
+ required = false, multiValued = false)
+ String nodeId = null;
+ private NodeMetricsService nodeService = AbstractShellCommand
+ .get(NodeMetricsService.class);
+
+ @Override
+ protected void execute() {
+ if (nodeId != null) {
+ NodeMemory memory = nodeService.memory(NodeId.nodeId(nodeId));
+ if (Objects.nonNull(memory)) {
+ print("Memory usage : %s", memory.toString());
+ } else {
+ print("Node %s doesn't exists");
+ }
+ } else {
+ Collection<NodeMemory> memory = nodeService.memory().values();
+ printMemory(memory);
+ }
+ }
+
+ private void printMemory(Collection<NodeMemory> memoryList) {
+ memoryList.forEach(memory -> print("%s", memory));
+ }
+}
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/package-info.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/package-info.java
new file mode 100644
index 0000000..d459482
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/cli/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+/**
+ * Module to fetch Node Metrics using CLI.
+ */
+package org.onosproject.nodemetrics.cli;
\ No newline at end of file
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/NodeMetricsManager.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/NodeMetricsManager.java
new file mode 100644
index 0000000..c91f9d8
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/NodeMetricsManager.java
@@ -0,0 +1,196 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.nodemetrics.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.hyperic.sigar.CpuPerc;
+import org.hyperic.sigar.FileSystemUsage;
+import org.hyperic.sigar.Mem;
+import org.hyperic.sigar.Sigar;
+import org.hyperic.sigar.SigarException;
+import org.onlab.util.KryoNamespace;
+import org.onlab.util.Tools;
+import org.onosproject.cluster.ClusterService;
+import org.onosproject.cluster.NodeId;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.nodemetrics.NodeCpu;
+import org.onosproject.nodemetrics.NodeDiskUsage;
+import org.onosproject.nodemetrics.NodeMemory;
+import org.onosproject.nodemetrics.NodeMetricsService;
+import org.onosproject.nodemetrics.Units;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.EventuallyConsistentMap;
+import org.onosproject.store.service.LogicalClockService;
+import org.onosproject.store.service.StorageService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+@Service
+@Component(immediate = true)
+public class NodeMetricsManager implements NodeMetricsService {
+ private static final int DEFAULT_POLL_FREQUENCY_SECONDS = 15;
+ private static final String SLASH = "/";
+ private static final Double PERCENTAGE_MULTIPLIER = 100.0;
+ private final Logger log = LoggerFactory
+ .getLogger(this.getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected StorageService storageService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected ClusterService clusterService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected LogicalClockService clockService;
+
+ private ScheduledExecutorService metricsExecutor;
+ private ScheduledFuture<?> scheduledTask;
+
+ private ApplicationId appId;
+ private NodeId localNodeId;
+
+ private EventuallyConsistentMap<NodeId, NodeMemory> memoryStore;
+ private EventuallyConsistentMap<NodeId, NodeDiskUsage> diskStore;
+ private EventuallyConsistentMap<NodeId, NodeCpu> cpuStore;
+
+ private Sigar sigar;
+
+ @Activate
+ public void activate() {
+ appId = coreService
+ .registerApplication("org.onosproject.nodemetrics");
+ metricsExecutor = Executors.newSingleThreadScheduledExecutor(
+ Tools.groupedThreads("nodemetrics/pollingStatics",
+ "statistics-executor-%d", log));
+
+ localNodeId = clusterService.getLocalNode().id();
+ KryoNamespace.Builder serializer = KryoNamespace.newBuilder()
+ .register(KryoNamespaces.API)
+ .register(NodeMemory.class)
+ .register(NodeDiskUsage.class)
+ .register(NodeCpu.class)
+ .register(Units.class);
+ memoryStore = storageService.<NodeId, NodeMemory>eventuallyConsistentMapBuilder()
+ .withSerializer(serializer)
+ .withTimestampProvider((nodeId, memory) -> clockService.getTimestamp())
+ .withName("nodemetrics-memory")
+ .build();
+
+ diskStore = storageService.<NodeId, NodeDiskUsage>eventuallyConsistentMapBuilder()
+ .withSerializer(serializer)
+ .withTimestampProvider((nodeId, disk) -> clockService.getTimestamp())
+ .withName("nodemetrics-disk")
+ .build();
+
+ cpuStore = storageService.<NodeId, NodeCpu>eventuallyConsistentMapBuilder()
+ .withSerializer(serializer)
+ .withTimestampProvider((nodeId, cpu) -> clockService.getTimestamp())
+ .withName("nodemetrics-cpu")
+ .build();
+
+ scheduledTask = schedulePolling();
+ sigar = new Sigar();
+ pollMetrics();
+ }
+
+ @Deactivate
+ public void deactivate() {
+ scheduledTask.cancel(true);
+ metricsExecutor.shutdown();
+ sigar.close();
+ }
+
+ @Override
+ public Map<NodeId, NodeMemory> memory() {
+ return this.ecToMap(memoryStore);
+ }
+
+ @Override
+ public Map<NodeId, NodeDiskUsage> disk() {
+ return this.ecToMap(diskStore);
+ }
+
+ @Override
+ public Map<NodeId, NodeCpu> cpu() {
+ return this.ecToMap(cpuStore);
+ }
+
+ @Override
+ public NodeMemory memory(NodeId nodeid) {
+ return memoryStore.get(nodeid);
+ }
+
+ @Override
+ public NodeDiskUsage disk(NodeId nodeid) {
+ return diskStore.get(nodeid);
+ }
+
+ @Override
+ public NodeCpu cpu(NodeId nodeid) {
+ return cpuStore.get(nodeid);
+ }
+
+ private ScheduledFuture schedulePolling() {
+ return metricsExecutor.scheduleAtFixedRate(this::pollMetrics,
+ DEFAULT_POLL_FREQUENCY_SECONDS / 4,
+ DEFAULT_POLL_FREQUENCY_SECONDS, TimeUnit.SECONDS);
+ }
+
+ private <K, V> Map<K, V> ecToMap(EventuallyConsistentMap<K, V> ecMap) {
+ return ecMap.entrySet()
+ .stream()
+ .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+ }
+ private void pollMetrics() {
+ try {
+ CpuPerc cpu = sigar.getCpuPerc();
+ Mem mem = sigar.getMem();
+ FileSystemUsage disk = sigar.getFileSystemUsage(SLASH);
+
+ NodeMemory memoryNode = new NodeMemory.Builder().free(mem.getFree())
+ .used(mem.getUsed()).total(mem.getTotal()).withUnit(Units.BYTES)
+ .withNode(localNodeId).build();
+ NodeCpu cpuNode = new NodeCpu.Builder().withNode(localNodeId)
+ .usage(cpu.getCombined() * PERCENTAGE_MULTIPLIER).build();
+ NodeDiskUsage diskNode = new NodeDiskUsage.Builder().withNode(localNodeId)
+ .free(disk.getFree()).used(disk.getUsed()).withUnit(Units.KBYTES)
+ .total(disk.getTotal()).build();
+ diskStore.put(localNodeId, diskNode);
+ memoryStore.put(localNodeId, memoryNode);
+ cpuStore.put(localNodeId, cpuNode);
+
+ } catch (SigarException e) {
+ log.error("Exception occurred ", e);
+ }
+
+ }
+}
diff --git a/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/package-info.java b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/package-info.java
new file mode 100644
index 0000000..46ba85b
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/java/org/onosproject/nodemetrics/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.
+ */
+
+/**
+ * Module to fetch Node Metrics and its Implementation.
+ */
+package org.onosproject.nodemetrics.impl;
\ No newline at end of file
diff --git a/apps/nodemetrics/mgr/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/nodemetrics/mgr/src/main/resources/OSGI-INF/blueprint/shell-config.xml
new file mode 100644
index 0000000..8bb1d69
--- /dev/null
+++ b/apps/nodemetrics/mgr/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -0,0 +1,34 @@
+<!--
+ ~ /*
+ ~ * Copyright 2017-present Open Networking Foundation
+ ~ *
+ ~ * 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.
+ ~ */
+ -->
+<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
+
+ <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
+
+ <command>
+ <action class="org.onosproject.nodemetrics.cli.ShowNodeCpuUsageCommand"/>
+ </command>
+ <command>
+ <action class="org.onosproject.nodemetrics.cli.ShowNodeDiskUsageCommand"/>
+ </command>
+ <command>
+ <action class="org.onosproject.nodemetrics.cli.ShowNodeMemoryCommand"/>
+ </command>
+ </command-bundle>
+
+
+</blueprint>
\ No newline at end of file
diff --git a/apps/nodemetrics/pom.xml b/apps/nodemetrics/pom.xml
new file mode 100644
index 0000000..ca8a7fe
--- /dev/null
+++ b/apps/nodemetrics/pom.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2014-present Open Networking Foundation
+ ~
+ ~ 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.
+ -->
+<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">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-apps</artifactId>
+ <version>1.14.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>onos-apps-nodemetrics</artifactId>
+ <packaging>pom</packaging>
+
+ <description>ONOS nodemetrics application</description>
+
+ <modules>
+ <module>api</module>
+ <module>mgr</module>
+ </modules>
+
+</project>
diff --git a/apps/pom.xml b/apps/pom.xml
index eb60235..dfdcf92 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -105,6 +105,7 @@
<module>layout</module>
<module>imr</module>
<module>t3</module>
+ <module>nodemetrics</module>
</modules>
<properties>