com.sun.enterprise.v3.admin.cluster.DeleteNodeSshCommand Maven / Gradle / Ivy
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package com.sun.enterprise.v3.admin.cluster;
import java.util.List;
import java.util.ArrayList;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.io.File;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.config.serverbeans.*;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.CommandRunner.CommandInvocation;
import org.glassfish.api.admin.ParameterMap;
import org.jvnet.hk2.annotations.*;
import org.jvnet.hk2.component.*;
import com.sun.enterprise.admin.util.RemoteInstanceCommandHelper;
import com.sun.enterprise.universal.process.ProcessManager;
import com.sun.enterprise.universal.process.ProcessManagerException;
/**
* Remote AdminCommand to create a config node. This command is run only on DAS.
* Register the config node on DAS
*
* @author Carla Mott
*/
@Service(name = "delete-node-ssh")
@I18n("delete.node.ssh")
@Scoped(PerLookup.class)
@ExecuteOn({RuntimeType.DAS})
public class DeleteNodeSshCommand implements AdminCommand, PostConstruct {
private static final int DEFAULT_TIMEOUT_MSEC = 300000; // 5 minutes
@Inject
Habitat habitat;
@Inject
Node[] nodeList;
@Inject
Nodes nodes;
@Inject
private CommandRunner cr;
@Param(name="name", primary = true)
String name;
@Param(optional = true, defaultValue = "false")
boolean uninstall;
@Param(optional = true, defaultValue = "false")
boolean force;
private RemoteInstanceCommandHelper helper;
private String sshpassword = null;
private String sshkeypassphrase = null;
private static final String NL = System.getProperty("line.separator");
private Logger logger = null;
@Override
public void postConstruct() {
helper = new RemoteInstanceCommandHelper(habitat);
}
@Override
public void execute(AdminCommandContext context) {
ActionReport report = context.getActionReport();
logger = context.logger;
Node node = nodes.getNode(name);
if (node == null) {
//no node to delete nothing to do here
String msg = Strings.get("noSuchNode", name);
logger.warning(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
if ((node.getType() != null) && !(node.getType().equals("SSH") )){
//no node to delete nothing to do here
String msg = Strings.get("notSshNodeType", name);
logger.warning(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
ParameterMap info = new ParameterMap();
if(uninstall) {
//store needed info for uninstall
SshConnector sshC = node.getSshConnector();
SshAuth sshAuth = sshC.getSshAuth();
if(sshAuth.getPassword() != null)
info.add(NodeUtils.PARAM_SSHPASSWORD, sshAuth.getPassword());
if(sshAuth.getKeyPassphrase() != null)
info.add(NodeUtils.PARAM_SSHKEYPASSPHRASE, sshAuth.getKeyPassphrase());
if(sshAuth.getKeyfile() != null)
info.add(NodeUtils.PARAM_SSHKEYFILE, sshAuth.getKeyfile());
info.add(NodeUtils.PARAM_INSTALLDIR, node.getInstallDir());
info.add(NodeUtils.PARAM_SSHPORT, sshC.getSshPort());
info.add(NodeUtils.PARAM_SSHUSER, sshAuth.getUserName());
info.add(NodeUtils.PARAM_NODEHOST, node.getNodeHost());
}
CommandInvocation ci = cr.getCommandInvocation("_delete-node", report);
ParameterMap map = new ParameterMap();
map.add("DEFAULT", name);
ci.parameters(map);
ci.execute();
//uninstall GlassFish after deleting the node
if (uninstall) {
boolean s = uninstallNode(context, info);
if(!s && !force) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
}
}
/**
* Prepares for invoking uninstall-node on DAS
* @param ctx command context
* @return true if uninstall-node succeeds, false otherwise
*/
private boolean uninstallNode(AdminCommandContext ctx, ParameterMap map) {
boolean res = false;
sshpassword = map.getOne(NodeUtils.PARAM_SSHPASSWORD);
sshkeypassphrase = map.getOne(NodeUtils.PARAM_SSHKEYPASSPHRASE);
ArrayList command = new ArrayList();
command.add("uninstall-node");
command.add("--installdir");
command.add(map.getOne(NodeUtils.PARAM_INSTALLDIR));
if (force) {
command.add("--force");
}
command.add("--sshport");
command.add(map.getOne(NodeUtils.PARAM_SSHPORT));
command.add("--sshuser");
command.add(map.getOne(NodeUtils.PARAM_SSHUSER));
String key = map.getOne(NodeUtils.PARAM_SSHKEYFILE);
if (key != null) {
command.add("--sshkeyfile");
command.add(key);
}
String host = map.getOne(NodeUtils.PARAM_NODEHOST);
command.add(host);
String firstErrorMessage = Strings.get("delete.node.ssh.uninstall.failed", host);
StringBuilder out = new StringBuilder();
int exitCode = execCommand(command, out);
ActionReport report = ctx.getActionReport();
if (exitCode == 0) {
// If it was successful say so and display the command output
String msg = Strings.get("delete.node.ssh.uninstall.success", host);
report.setMessage(msg);
res=true;
} else {
report.setMessage(firstErrorMessage);
}
return res;
}
/**
* Invokes install-node using ProcessManager and returns the exit message/status.
* @param cmdLine list of args
* @param output contains output message
* @return exit status of uninstall-node
*/
private int execCommand(List cmdLine, StringBuilder output) {
int exit = -1;
List fullcommand = new ArrayList();
String installDir = nodes.getDefaultLocalNode().getInstallDirUnixStyle() + "/glassfish";
if (!StringUtils.ok(installDir)) {
throw new IllegalArgumentException(Strings.get("create.node.ssh.no.installdir"));
}
File asadmin = new File(SystemPropertyConstants.getAsAdminScriptLocation(installDir));
fullcommand.add(asadmin.getAbsolutePath());
BufferedWriter out = null;
File f = null;
//if password auth is used by node, use the same auth mechanism for
//uninstall-node as well. The passwords are passed using a temporary password file
if(sshpassword != null) {
try {
NodeUtils nu = new NodeUtils(habitat, logger);
f = new File(System.getProperty("java.io.tmpdir"), "pass.tmp");
out = new BufferedWriter(new FileWriter(f));
out.newLine();
out.write("AS_ADMIN_SSHPASSWORD=" + nu.sshL.expandPasswordAlias(sshpassword) + "\n");
if(sshkeypassphrase != null)
out.write("AS_ADMIN_SSHKEYPASSPHRASE=" + nu.sshL.expandPasswordAlias(sshkeypassphrase) + "\n");
out.flush();
} catch (IOException ioe) {
if(logger.isLoggable(Level.FINE)) {
logger.fine("Failed to create password file: " + ioe.getMessage());
}
output.append(Strings.get("create.node.ssh.passfile.error"));
return 1;
}
finally {
try {
if (out != null)
out.close();
} catch(final Exception ex){
if (logger.isLoggable(Level.FINE)) {
logger.fine("Failed to close stream: " + ex.getMessage());
}
}
}
fullcommand.add("--passwordfile");
fullcommand.add(f.getAbsolutePath());
}
fullcommand.addAll(cmdLine);
ProcessManager pm = new ProcessManager(fullcommand);
if(logger.isLoggable(Level.INFO)) {
logger.info("Running command on DAS: " + commandListToString(fullcommand));
}
pm.setTimeoutMsec(DEFAULT_TIMEOUT_MSEC);
if (logger.isLoggable(Level.FINER))
pm.setEcho(true);
else
pm.setEcho(false);
try {
exit = pm.execute();
}
catch (ProcessManagerException ex) {
if(logger.isLoggable(Level.FINE)) {
logger.fine("Error while executing command: " + ex.getMessage());
}
exit = 1;
}
String stdout = pm.getStdout();
String stderr = pm.getStderr();
if (output != null) {
if (StringUtils.ok(stdout)) {
output.append(stdout);
}
if (StringUtils.ok(stderr)) {
if (output.length() > 0) {
output.append(NL);
}
output.append(stderr);
}
}
if (f != null) {
boolean didDelete = f.delete();
if(!didDelete) {
if(logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING, Strings.get("node.ssh.passfile.delete.error", f.getPath()));
}
}
}
return exit;
}
private String commandListToString(List command) {
StringBuilder fullCommand = new StringBuilder();
for (String s : command) {
fullCommand.append(" ");
fullCommand.append(s);
}
return fullCommand.toString();
}
}