move stats to separate module

Change-Id: Id349e926ecf336aeabac89afa45a5e0d0f37e36b
Signed-off-by: Michal Cmarada <mcmarada@cisco.com>

9 files changed, 346 insertions, 0 deletions

diff --git a/stats/asciidoc/Readme.adoc b/stats/asciidoc/Readme.adoc
new file mode 100644
index 000000000..c25cda105
--- /dev/null
+++ b/stats/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= stats-aggregator
+
+Overview of stats-aggregator
\ No newline at end of file
diff --git a/stats/pom.xml b/stats/pom.xml
new file mode 100644
index 000000000..3b355b3fd
--- /dev/null
+++ b/stats/pom.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2019 Cisco and/or its affiliates.
+  ~
+  ~ 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">
+
+  <parent>
+    <groupId>io.fd.hc2vpp.common</groupId>
+    <artifactId>hc2vpp-parent</artifactId>
+    <version>1.19.08-SNAPSHOT</version>
+    <relativePath>../common/hc2vpp-parent</relativePath>
+  </parent>
+
+  <groupId>io.fd.hc2vpp.stats</groupId>
+  <artifactId>stats-aggregator</artifactId>
+  <version>1.19.08-SNAPSHOT</version>
+  <name>stats-aggregator</name>
+  <packaging>pom</packaging>
+  <modelVersion>4.0.0</modelVersion>
+  <description>Aggregator for Hc2vpp Stats plugin</description>
+
+  <modules>
+    <module>stats-api</module>
+    <module>stats-impl</module>
+  </modules>
+
+  <!-- DO NOT install or deploy the repo root pom as it's only needed to initiate a build -->
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-deploy-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-install-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/stats/stats-api/asciidoc/Readme.adoc b/stats/stats-api/asciidoc/Readme.adoc
new file mode 100644
index 000000000..f2852f3de
--- /dev/null
+++ b/stats/stats-api/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= stats-api
+
+The APIs are based on vpp stats model.
diff --git a/stats/stats-api/pom.xml b/stats/stats-api/pom.xml
new file mode 100644
index 000000000..57af462a6
--- /dev/null
+++ b/stats/stats-api/pom.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2019 Cisco and/or its affiliates.
+  ~
+  ~ 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">
+
+  <parent>
+    <groupId>io.fd.hc2vpp.common</groupId>
+    <artifactId>api-parent</artifactId>
+    <version>1.19.08-SNAPSHOT</version>
+    <relativePath>../../common/api-parent</relativePath>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>io.fd.hc2vpp.stats</groupId>
+  <artifactId>stats-api</artifactId>
+  <name>${project.artifactId}</name>
+  <version>1.19.08-SNAPSHOT</version>
+  <packaging>bundle</packaging>
+
+  <dependencies/>
+</project>
diff --git a/stats/stats-impl/asciidoc/Readme.adoc b/stats/stats-impl/asciidoc/Readme.adoc
new file mode 100644
index 000000000..3948377a7
--- /dev/null
+++ b/stats/stats-impl/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= stats-impl
+
+Overview of stats-impl
\ No newline at end of file
diff --git a/stats/stats-impl/pom.xml b/stats/stats-impl/pom.xml
new file mode 100644
index 000000000..8e6bc37d3
--- /dev/null
+++ b/stats/stats-impl/pom.xml
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2019 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.hc2vpp.common</groupId>
+        <artifactId>vpp-impl-parent</artifactId>
+        <version>1.19.08-SNAPSHOT</version>
+        <relativePath>../../vpp-common/vpp-impl-parent</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.fd.hc2vpp.stats</groupId>
+    <artifactId>stats-impl</artifactId>
+    <name>${project.artifactId}</name>
+    <version>1.19.08-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.jvpp</groupId>
+            <artifactId>jvpp-stats</artifactId>
+            <version>${jvpp.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>binding-init</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>cfg-init</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.fd.jvpp</groupId>
+            <artifactId>jvpp-registry</artifactId>
+            <version>${jvpp.version}</version>
+        </dependency>
+
+        <!-- DI -->
+        <dependency>
+            <groupId>com.google.inject</groupId>
+            <artifactId>guice</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>net.jmob</groupId>
+            <artifactId>guice.conf</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-multibindings</artifactId>
+        </dependency>
+
+        <!-- Testing Dependencies -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.skinny-framework</groupId>
+            <artifactId>skinny-logback</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-testlib</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/StatsModule.java b/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/StatsModule.java
new file mode 100644
index 000000000..66dca9fa6
--- /dev/null
+++ b/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/StatsModule.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.stats;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.inject.AbstractModule;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import io.fd.hc2vpp.stats.jvpp.JVppStatsProvider;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Module class instantiating stats plugin components.
+ */
+public class StatsModule extends AbstractModule {
+
+    private static final Logger LOG = LoggerFactory.getLogger(StatsModule.class);
+    private final Class<? extends Provider<FutureJVppStatsFacade>> jvppStatsProviderClass;
+
+    public StatsModule() {
+        this(JVppStatsProvider.class);
+    }
+
+    @VisibleForTesting
+    protected StatsModule(Class<? extends Provider<FutureJVppStatsFacade>> jvppStatsProvider) {
+        this.jvppStatsProviderClass = jvppStatsProvider;
+    }
+
+    @Override
+    protected void configure() {
+        LOG.debug("Installing Stats module");
+
+        // Bind to Plugin's JVPP
+        bind(FutureJVppStatsFacade.class).toProvider(jvppStatsProviderClass).in(Singleton.class);
+
+        LOG.info("Module Stats successfully configured");
+    }
+}
diff --git a/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/jvpp/JVppStatsProvider.java b/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/jvpp/JVppStatsProvider.java
new file mode 100644
index 000000000..729ef4f3a
--- /dev/null
+++ b/stats/stats-impl/src/main/java/io/fd/hc2vpp/stats/jvpp/JVppStatsProvider.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.stats.jvpp;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.binding.init.ProviderTrait;
+import io.fd.honeycomb.data.init.ShutdownHandler;
+import io.fd.jvpp.JVppRegistry;
+import io.fd.jvpp.stats.JVppStatsImpl;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+import java.io.IOException;
+
+public class JVppStatsProvider extends ProviderTrait<FutureJVppStatsFacade> {
+
+    @Inject
+    private JVppRegistry registry;
+
+    @Inject
+    private ShutdownHandler shutdownHandler;
+
+    private static JVppStatsImpl initStatsApi(final ShutdownHandler shutdownHandler) {
+        final JVppStatsImpl jvppStats = new JVppStatsImpl();
+        shutdownHandler.register("jvpp-stats", jvppStats);
+        return jvppStats;
+    }
+
+    @Override
+    protected FutureJVppStatsFacade create() {
+        try {
+            return new FutureJVppStatsFacade(registry, initStatsApi(shutdownHandler));
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e);
+        }
+    }
+}
diff --git a/stats/stats-impl/src/test/java/io/fd/hc2vpp/stats/StatsModuleTest.java b/stats/stats-impl/src/test/java/io/fd/hc2vpp/stats/StatsModuleTest.java
new file mode 100644
index 000000000..79c4a46f2
--- /dev/null
+++ b/stats/stats-impl/src/test/java/io/fd/hc2vpp/stats/StatsModuleTest.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.stats;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+import com.google.inject.Guice;
+import com.google.inject.Provider;
+import com.google.inject.testing.fieldbinder.BoundFieldModule;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+import org.junit.Before;
+
+public class StatsModuleTest {
+
+    @Before
+    public void setUp() throws Exception {
+        initMocks(this);
+        Guice.createInjector(new StatsModule(MockJVppStatsProvider.class), BoundFieldModule.of(this))
+                .injectMembers(this);
+    }
+
+    private static final class MockJVppStatsProvider implements Provider<FutureJVppStatsFacade> {
+
+        @Override
+        public FutureJVppStatsFacade get() {
+            return mock(FutureJVppStatsFacade.class);
+        }
+    }
+}
\ No newline at end of file