Docker API, wrapping docker java.

3 files changed, 124 insertions, 0 deletions

diff --git a/docker-api/pom.xml b/docker-api/pom.xml
new file mode 100644
index 00000000000..3e06f4e9223
--- /dev/null
+++ b/docker-api/pom.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0"?>
+<!-- Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -->
+<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>com.yahoo.vespa</groupId>
+        <artifactId>parent</artifactId>
+        <version>6-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>docker-api</artifactId>
+    <version>6-SNAPSHOT</version>
+    <packaging>container-plugin</packaging>
+    <name>${project.artifactId}</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.yahoo.vespa</groupId>
+            <artifactId>container-dev</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.github.docker-java</groupId>
+            <artifactId>docker-java</artifactId>
+            <version>3.0.3</version>
+            <exclusions>
+                <exclusion>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                </exclusion>
+            <exclusion>
+                <groupId>org.slf4j</groupId>
+                <artifactId>jcl-over-slf4j</artifactId>
+            </exclusion>
+
+     </exclusions>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>com.yahoo.vespa</groupId>
+                <artifactId>bundle-plugin</artifactId>
+                <extensions>true</extensions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <compilerArgs>
+                        <arg>-Xlint:all</arg>
+                        <arg>-Werror</arg>
+                    </compilerArgs>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/DockerApi.java b/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/DockerApi.java
new file mode 100644
index 00000000000..f114adfb988
--- /dev/null
+++ b/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/DockerApi.java
@@ -0,0 +1,56 @@
+package com.yahoo.vespa.hosted.docker.api.docker;
+
+import com.github.dockerjava.core.DefaultDockerClientConfig;
+import com.github.dockerjava.core.DockerClientImpl;
+import com.github.dockerjava.jaxrs.JerseyDockerCmdExecFactory;
+
+import com.github.dockerjava.api.DockerClient;
+import com.yahoo.component.AbstractComponent;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * A class wrapping the DockerJava library for OSGI to avoid dependency problem between this library and Vespa.
+ * @author dybdahl
+ */
+public class DockerApi  extends AbstractComponent {
+    private static final String LABEL_NAME_MANAGEDBY = "com.yahoo.vespa.managedby";
+    private static final String LABEL_VALUE_MANAGEDBY = "node-admin";
+    private static final Map<String, String> CONTAINER_LABELS = new HashMap<>();
+
+    private static final int DOCKER_MAX_PER_ROUTE_CONNECTIONS = 10;
+    private static final int DOCKER_MAX_TOTAL_CONNECTIONS = 100;
+    private static final int DOCKER_CONNECT_TIMEOUT_MILLIS = (int) TimeUnit.SECONDS.toMillis(100);
+    private static final int DOCKER_READ_TIMEOUT_MILLIS = (int) TimeUnit.MINUTES.toMillis(30);
+
+    static {
+        CONTAINER_LABELS.put(LABEL_NAME_MANAGEDBY, LABEL_VALUE_MANAGEDBY);
+    }
+
+    private final DockerClient dockerClient;
+
+    public DockerApi() {
+        dockerClient = DockerClientImpl.getInstance(new DefaultDockerClientConfig.Builder()
+                // Talks HTTP(S) over a TCP port. The docker client library does only support tcp:// and unix://
+                .withDockerHost("unix:///host/var/run/docker.sock") // Alternatively, but
+                // does not work due to certificate issues as if Aug 18th 2016: config.uri().replace("https", "tcp"))
+                .withDockerTlsVerify(false)
+                //.withCustomSslConfig(new VespaSSLConfig(config))
+                // We can specify which version of the docker remote API to use, otherwise, use latest
+                // e.g. .withApiVersion("1.23")
+                .build())
+                .withDockerCmdExecFactory(
+                        new JerseyDockerCmdExecFactory()
+                                .withMaxPerRouteConnections(DOCKER_MAX_PER_ROUTE_CONNECTIONS)
+                                .withMaxTotalConnections(DOCKER_MAX_TOTAL_CONNECTIONS)
+                                .withConnectTimeout(DOCKER_CONNECT_TIMEOUT_MILLIS)
+                                .withReadTimeout(DOCKER_READ_TIMEOUT_MILLIS)
+                );
+    }
+
+    public DockerClient getDockerClient() {
+        return dockerClient;
+    }
+}
diff --git a/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/package-info.java b/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/package-info.java
new file mode 100644
index 00000000000..004507fb58f
--- /dev/null
+++ b/docker-api/src/main/java/com/yahoo/vespa/hosted/docker/api/docker/package-info.java
@@ -0,0 +1,5 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+@ExportPackage
+package com.yahoo.vespa.hosted.docker.api.docker;
+
+import com.yahoo.osgi.annotation.ExportPackage;