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// Portions Copyright [2018-2020] Payara Foundation and/or affiliates
package com.sun.enterprise.v3.admin.cluster;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.NODE_DEFAULT_INSTALLDIR;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.NODE_DEFAULT_REMOTE_USER;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_INSTALL;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_INSTALLDIR;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_NODEDIR;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_NODEHOST;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_SSHPASSWORD;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_REMOTEPORT;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_REMOTEUSER;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.PARAM_TYPE;
import static com.sun.enterprise.v3.admin.cluster.NodeUtils.sanitizeReport;
import static java.util.logging.Level.FINE;
import static java.util.logging.Level.FINER;
import static java.util.logging.Level.INFO;
import static org.glassfish.api.ActionReport.ExitCode.FAILURE;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import javax.inject.Inject;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandRunner;
import org.glassfish.api.admin.CommandRunner.CommandInvocation;
import org.glassfish.api.admin.CommandValidationException;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.hk2.api.ServiceLocator;
import com.sun.enterprise.config.serverbeans.Nodes;
import com.sun.enterprise.universal.process.ProcessManager;
import com.sun.enterprise.universal.process.ProcessManagerException;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.util.cluster.RemoteType;
/**
* Refactored from CreateNodeSshCommand.java on 9/10/11 Note the use of "protected" visibility is one of those rare
* times when it is actually necessary. This class is sub-classed in a different package so protected is needed...
*
* @author Carla Mott
* @author Byron Nevins
*/
public abstract class CreateRemoteNodeCommand implements AdminCommand {
static final int DEFAULT_TIMEOUT_MSEC = 300000; // 5 minutes
static final String NL = System.lineSeparator();
@Param(name = "name", primary = true)
private String name;
@Param(name = "nodehost")
protected String nodehost;
@Param(name = "installdir", optional = true, defaultValue = NODE_DEFAULT_INSTALLDIR)
private String installdir;
@Param(name = "nodedir", optional = true)
private String nodedir;
@Param(name = "force", optional = true, defaultValue = "false")
private boolean force;
@Param(optional = true, defaultValue = "false")
boolean install;
@Param(optional = true)
String archive;
@Inject
private CommandRunner commandRunner;
@Inject
ServiceLocator serviceLocator;
@Inject
Nodes nodes;
Logger logger;
NodeUtils nodeUtils;
protected String remotePort;
protected String remoteUser;
protected String remotePassword;
protected abstract void populateBaseClass();
protected abstract void initialize();
protected abstract void populateParameters(ParameterMap pmap);
protected abstract void populateCommandArgs(List args);
protected abstract RemoteType getType();
protected abstract void validate() throws CommandValidationException;
protected abstract List getPasswords();
protected abstract String getInstallNodeCommandName();
public final void executeInternal(AdminCommandContext context) {
ActionReport report = context.getActionReport();
StringBuilder msg = new StringBuilder();
logger = context.getLogger();
initialize();
populateBaseClass();
checkDefaults();
ParameterMap commandParameters = new ParameterMap();
populateParametersInternal(commandParameters);
try {
validate();
} catch (CommandValidationException ex) {
report.setMessage(ex.getLocalizedMessage());
report.setActionExitCode(FAILURE);
return;
}
try {
nodeUtils = new NodeUtils(serviceLocator, logger);
nodeUtils.validate(commandParameters);
if (install) {
if (!installNode(context) && !force) {
report.setActionExitCode(FAILURE);
return;
}
}
} catch (CommandValidationException e) {
String invalidParamsMsg = Strings.get("node.ssh.invalid.params");
if (!force) {
msg.append(StringUtils.cat(NL, invalidParamsMsg, Strings.get("create.node.ssh.or.dcom.not.created", getType().toString()), e.getMessage()));
report.setMessage(msg.toString());
report.setActionExitCode(FAILURE);
return;
} else {
msg.append(StringUtils.cat(NL, invalidParamsMsg, e.getMessage(), Strings.get("create.node.ssh.continue.force")));
}
}
commandParameters.remove(PARAM_INSTALL);
CommandInvocation commandInvocation = commandRunner.getCommandInvocation("_create-node", report, context.getSubject());
commandInvocation.parameters(commandParameters);
commandInvocation.execute();
sanitizeReport(report);
if (StringUtils.ok(report.getMessage())) {
if (msg.length() > 0) {
msg.append(NL);
}
msg.append(report.getMessage());
}
report.setMessage(msg.toString());
}
private void populateParametersInternal(ParameterMap parameters) {
parameters.add("DEFAULT", name);
parameters.add(PARAM_INSTALLDIR, installdir);
parameters.add(PARAM_NODEHOST, nodehost);
parameters.add(PARAM_NODEDIR, nodedir);
parameters.add(PARAM_REMOTEPORT, remotePort);
parameters.add(PARAM_REMOTEUSER, remoteUser);
parameters.add(PARAM_SSHPASSWORD, remotePassword);
parameters.add(PARAM_TYPE, getType().toString());
parameters.add(PARAM_INSTALL, Boolean.toString(install));
// Let subclasses overwrite our values if they like.
populateParameters(parameters);
}
/**
* Prepares for invoking install-node on DAS
*
* @param ctx command context
* @return true if install-node succeeds, false otherwise
*/
private boolean installNode(AdminCommandContext ctx) throws CommandValidationException {
boolean res = false;
ArrayList command = new ArrayList<>();
command.add(getInstallNodeCommandName());
command.add("--installdir");
command.add(installdir);
if (force) {
command.add("--force");
}
if (archive != null) {
File archiveFile = new File(archive);
if (archiveFile.exists() && archiveFile.canRead()) {
command.add("--archive");
command.add(archive);
}
}
populateCommandArgs(command);
command.add(nodehost);
StringBuilder out = new StringBuilder();
int exitCode = execCommand(command, out);
// capture the output in server.log
logger.info(out.toString().trim());
ActionReport report = ctx.getActionReport();
if (exitCode == 0) {
// If it was successful say so and display the command output
report.setMessage(Strings.get("create.node.ssh.install.success", nodehost));
res = true;
} else {
report.setMessage(out.toString().trim());
}
return res;
}
/**
* Sometimes the console passes an empty string for a parameter. This makes sure those are defaulted correctly.
*/
protected void checkDefaults() {
if (!StringUtils.ok(installdir)) {
installdir = NODE_DEFAULT_INSTALLDIR;
}
if (!StringUtils.ok(remoteUser)) {
remoteUser = NODE_DEFAULT_REMOTE_USER;
}
}
/**
* 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 install-node
*
* This method was copied over from CreateNodeSshCommand on 9/14/11
*/
final 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());
// if password auth is used for creating node, use the same auth mechanism for
// install-node as well. The passwords are passed directly through input stream
List passwords = new ArrayList<>();
if (remotePassword != null) {
fullcommand.add("--passwordfile");
fullcommand.add("-");
passwords = getPasswords();
}
fullcommand.add("--interactive=false");
fullcommand.addAll(cmdLine);
ProcessManager processManager = new ProcessManager(fullcommand);
if (!passwords.isEmpty()) {
processManager.setStdinLines(passwords);
}
if (logger.isLoggable(INFO)) {
logger.info("Running command on DAS: " + commandListToString(fullcommand));
}
processManager.setTimeoutMsec(DEFAULT_TIMEOUT_MSEC);
if (logger.isLoggable(FINER)) {
processManager.setEcho(true);
} else {
processManager.setEcho(false);
}
try {
exit = processManager.execute();
} catch (ProcessManagerException ex) {
if (logger.isLoggable(FINE)) {
logger.fine("Error while executing command: " + ex.getMessage());
}
exit = 1;
}
String stdout = processManager.getStdout();
String stderr = processManager.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);
}
}
return exit;
}
final String commandListToString(List commands) {
StringBuilder fullCommand = new StringBuilder();
for (String command : commands) {
fullCommand.append(" ");
fullCommand.append(command);
}
return fullCommand.toString();
}
}