jclouds workshop

JCloudsWorkshop.java

  private void configureAndStartWebservers() {
    for (ComputeService computeService: nodes.keySet()) {
      try {
        NodeMetadata node = nodes.get(computeService);
        String publicAddress = node.getPublicAddresses().iterator().next();
      
        awaitSsh(publicAddress);
      
        String message = new StringBuilder()
          .append("Hello from ")
          .append(node.getHostname())
          .append(" @ ")
          .append(publicAddress)
          .append(" in ")
          .append(node.getLocation().getParent().getId())
          .toString();
          
        String script = new ScriptBuilder()
          .addStatement(exec("yum -y install httpd"))
          .addStatement(exec("/usr/sbin/apachectl start"))
          .addStatement(exec("iptables -I INPUT -p tcp --dport 80 -j ACCEPT"))
          .addStatement(exec("echo '" + message + "' > /var/www/html/index.html"))
          .render(OsFamily.UNIX);

        RunScriptOptions options = RunScriptOptions.Builder
          .blockOnComplete(true);
      
        computeService.runScriptOnNode(node.getId(), script, options);
      }
      catch (Throwable e) {
        e.printStackTrace();
      }
    }
  }

  private void awaitSsh(String ip) throws TimeoutException {
  }