@Override
public void execute(DelegateExecution execution) throws Exception {
Pool pool = (Pool) execution.getVariable(CoreProcessVariables.POOL);
checkNotNull(
pool,
"Please add the pool description as a process " + "variable with the name '%s'.",
CoreProcessVariables.POOL);
Machine machine = (Machine) execution.getVariable("machine");
LOG.info(">> Connecting to machine {} to install packages", machine);
SSHClient client = Ssh.newClient(machine, pool.getAdminAccess());
try {
String puppetScript =
Mustache.toString(
InstallPackages.class,
"/com/axemblr/provisionr/core/puppet/packages.pp.mustache",
ImmutableMap.of("packages", packagesAsListOfMaps(pool.getSoftware())));
Ssh.createFile(client, puppetScript, 0600, "/tmp/packages.pp");
Session session = client.startSession();
try {
session.allocateDefaultPTY();
Session.Command command = session.exec("sudo puppet apply --verbose /tmp/packages.pp");
Ssh.logCommandOutput(LOG, machine.getExternalId(), command);
command.join();
if (command.getExitStatus() != 0) {
throw new RuntimeException(
String.format(
"Failed to execute puppet. Exit code: %d. Exit message: %s",
command.getExitStatus(), command.getExitErrorMessage()));
} else {
LOG.info("<< Command completed successfully with exit code 0");
}
} finally {
session.close();
}
} finally {
client.close();
}
}
public String exec(String command, int time, TimeUnit unit) throws IOException {
Session s = ssh.startSession();
try {
Session.Command cmd = s.exec(command);
StringBuilder all = new StringBuilder();
BufferedReader out = new BufferedReader(new InputStreamReader(cmd.getInputStream()));
String buf;
while (null != (buf = out.readLine())) {
logger.debug(buf);
all.append(buf).append("\n");
}
cmd.join(time, unit);
cmd.close();
return all.toString();
} finally {
s.close();
}
}
public static void main(String... args) throws IOException {
final SSHClient ssh = new SSHClient();
ssh.loadKnownHosts();
ssh.connect("localhost");
try {
ssh.authPublickey(System.getProperty("user.name"));
final Session session = ssh.startSession();
try {
final Command cmd = session.exec("ping -c 1 google.com");
System.out.println(IOUtils.readFully(cmd.getInputStream()).toString());
cmd.join(5, TimeUnit.SECONDS);
System.out.println("\n** exit status: " + cmd.getExitStatus());
} finally {
session.close();
}
} finally {
ssh.disconnect();
}
}
@Override
public ExecResponse create() throws Exception {
try {
session = acquire(execConnection());
Command output = session.exec(checkNotNull(command, "command"));
String outputString = IOUtils.readFully(output.getInputStream()).toString();
output.join(timeoutMillis, TimeUnit.SECONDS);
int errorStatus = output.getExitStatus();
String errorString = IOUtils.readFully(output.getErrorStream()).toString();
return new ExecResponse(outputString, errorString, errorStatus);
} finally {
clear();
}
}
@Override
public void clear() throws TransportException, ConnectionException {
if (session != null) session.close();
}