Codehaus Cargo > Features > Container > Local Container > Installed Container > Installer
 

Definition


Installs a container

Explanation

An Installer is meant to install a container on your local machine. There is currently only a single Installer implementation: ZipURLInstaller which downloads a zipped container distribution from a URL and which installs it (i.e. unpacks it) in a specified directory. This is useful if you wish to fully automate a container installation without having to ask the user to manually install a container on their machine.

Of course you don't have to use an Installer if you want to use a container already installed on your machine.

Example using the Java API

Installer installer = new ZipURLInstaller(
    "http://download.eclipse.org/jetty/7.2.2.v20101205/dist/jetty-distribution-7.2.2.v20101205.tar.gz",
    "target/downloads", "target/extracts");
installer.install();

InstalledLocalContainer container = new Jetty7xInstalledLocalContainer(
    new Jetty7xStandaloneConfiguration("target/jetty7x"));
container.setHome(installer.getHome());
[...]

Example using the Ant tasks

<cargo containerId="jetty7x" [...]>
  <zipUrlInstaller
      installUrl="http://download.eclipse.org/jetty/7.2.2.v20101205/dist/jetty-distribution-7.2.2.v20101205.tar.gz",
      downloadDir="target/downloads"
      extractDir="target/extracts"/>
  [...]
</cargo>

Example using the Maven 3 Plugin

  <plugin>
    <groupId>org.codehaus.cargo</groupId>
    <artifactId>cargo-maven3-plugin</artifactId>
    <configuration>
      <container>
        <containerId>jetty7x</containerId>
        <zipUrlInstaller>
          <url>http://download.eclipse.org/jetty/7.2.2.v20101205/dist/jetty-distribution-7.2.2.v20101205.tar.gz</url>
          <downloadDir>${project.build.directory}/downloads</downloadDir>
          <extractDir>${project.build.directory}/extracts</extractDir>
        </zipUrlInstaller>
      </container>
      [...]
    </configuration>
  </plugin>

Using Maven-based distributions

New versions of most application servers have their distribution packages built using Maven, hence distribute these as ZIP or TAR.GZ files on a Maven repository. It is also rather easy to upload servers' packages to an internal (for example, enterprise) Maven repository. In this case, CARGO lets you directly use such artifacts using an ArtifactInstaller. Here is the example for Jetty 7:

  <properties>
    <jetty.version>7.2.2.v20101205</jetty.version>
  </properties>

  <build>
    <plugins>
      <plugin>
        <groupId>org.codehaus.cargo</groupId>
        <artifactId>cargo-maven3-plugin</artifactId>
        <version>${cargo.version}</version>
        <configuration>
          <container>
            <containerId>jetty7x</containerId>
            <artifactInstaller>
              <groupId>org.eclipse.jetty</groupId>
              <artifactId>jetty-distribution</artifactId>
              <version>${jetty.version}</version>
            </artifactInstaller>
          </container>
          [...]
        </configuration>
        [...]
      </plugin>
    </plugins>
  </build>
</project>
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