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// Portions Copyright [2018-2020] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.v3.admin.cluster;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Node;
import com.sun.enterprise.config.serverbeans.Nodes;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.Servers;
import com.sun.enterprise.universal.glassfish.ASenvPropertyReader;
import com.sun.enterprise.util.ExceptionUtil;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.util.io.InstanceDirs;
import fish.payara.util.cluster.PayaraServerNameGenerator;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Logger;
import javax.inject.Inject;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
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.ExecuteOn;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Target;
import org.jvnet.hk2.annotations.Service;
import static com.sun.enterprise.util.SystemPropertyConstants.AGENT_ROOT_PROPERTY;
import static java.util.logging.Level.SEVERE;
import static org.glassfish.api.ActionReport.ExitCode.FAILURE;
import static org.glassfish.api.ActionReport.ExitCode.SUCCESS;
import static org.glassfish.api.ActionReport.ExitCode.WARNING;
import static org.glassfish.api.admin.RestEndpoint.OpType.POST;
/**
* Remote AdminCommand to create an instance. This command is run only on DAS.
* 1. Register the instance on DAS
* 2. Create the file system on the instance node via ssh, DCOM, node agent, or other
* 3. Bootstrap a minimal set of config files on the instance for secure admin.
*
* @author Jennifer Chou
*/
@Service(name = "create-instance")
@I18n("create.instance")
@PerLookup
@ExecuteOn(RuntimeType.DAS)
@RestEndpoints({
@RestEndpoint(configBean=Domain.class,
opType=POST,
path="create-instance",
description="Create Instance")
})
public class CreateInstanceCommand implements AdminCommand {
private static final String NEWLINE = System.lineSeparator();
@Param(name = "node", alias = "nodeagent")
String node;
@Param(name = "config", optional = true)
@I18n("generic.config")
String configRef;
@Param(name = "cluster", optional = true)
String clusterName;
@Param(name = "deploymentgroup", optional = true)
String deploymentGroup;
@Param(name = "lbenabled", optional = true)
private Boolean lbEnabled;
@Param(name = "checkports", optional = true, defaultValue = "true")
private boolean checkPorts;
@Param(optional = true, defaultValue = "false")
private boolean terse;
@Param(name = "portbase", optional = true)
private String portBase;
@Param(name = "systemproperties", optional = true, separator = ':')
private String systemProperties;
@Param(name = "autoname", optional = true, shortName = "a", defaultValue = "false")
private boolean autoName;
@Param(name = "extraterse", optional = true, shortName = "T", defaultValue = "false")
private boolean extraTerse;
@Param(name = "instance_name", primary = true)
private String instance;
@Param(name = "dataGridStartPort", optional = true, alias = "datagridstartport")
private String dataGridStartPort;
@Inject
private CommandRunner commandRunner;
@Inject
private ServiceLocator serviceLocator;
@Inject
private Nodes nodes;
@Inject
private Servers servers;
@Inject
private ServerEnvironment env;
@Inject
private Target targetUtil;
private Logger logger; // set in execute and all references occur after that assignment
private AdminCommandContext ctx;
private Node theNode;
private String nodeHost;
private String nodeDir;
private String installDir;
private String registerInstanceMessage;
@Override
public void execute(AdminCommandContext context) {
ActionReport report = context.getActionReport();
ctx = context;
logger = context.getLogger();
if (!env.isDas()) {
String msg = Strings.get("notAllowed");
logger.warning(msg);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return;
}
// Make sure Node is valid
theNode = nodes.getNode(node);
if (theNode == null) {
String msg = Strings.get("noSuchNode", node);
logger.warning(msg);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return;
}
if (lbEnabled != null && clusterName == null) {
String msg = Strings.get("lbenabledNotForStandaloneInstance");
logger.warning(msg);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return;
}
nodeHost = theNode.getNodeHost();
nodeDir = theNode.getNodeDirAbsolute();
installDir = theNode.getInstallDir();
if (autoName) {
instance = PayaraServerNameGenerator.validateInstanceNameUnique(instance, context);
} else {
if (theNode.isLocal()) {
validateInstanceDirUnique(report, context);
if (report.getActionExitCode() != SUCCESS && report.getActionExitCode() != WARNING) {
// If we couldn't update domain.xml then stop!
return;
}
}
}
// First, update domain.xml by calling _register-instance
CommandInvocation commandInvocation = commandRunner.getCommandInvocation("_register-instance", report, context.getSubject());
ParameterMap commandParameters = new ParameterMap();
commandParameters.add("node", node);
commandParameters.add("config", configRef);
commandParameters.add("cluster", clusterName);
commandParameters.add("deploymentgroup", deploymentGroup);
if (lbEnabled != null) {
commandParameters.add("lbenabled", lbEnabled.toString());
}
if (!checkPorts) {
commandParameters.add("checkports", "false");
}
if (StringUtils.ok(portBase)) {
commandParameters.add("portbase", portBase);
}
commandParameters.add("systemproperties", systemProperties);
commandParameters.add("DEFAULT", instance);
commandInvocation.parameters(commandParameters);
commandInvocation.execute();
if (report.getActionExitCode() != SUCCESS && report.getActionExitCode() != WARNING) {
// If we couldn't update domain.xml then stop!
return;
}
registerInstanceMessage = report.getMessage();
// If nodehost is localhost and installdir is null and config node, update config node
// so installdir is product root. see register-instance above
if (theNode.isLocal() && installDir == null && theNode.getType().equals("CONFIG")) {
commandInvocation = commandRunner.getCommandInvocation("_update-node", report, context.getSubject());
commandParameters = new ParameterMap();
commandParameters.add("installdir", "${com.sun.aas.productRoot}");
commandParameters.add("type", "CONFIG");
commandParameters.add("DEFAULT", theNode.getName());
commandInvocation.parameters(commandParameters);
commandInvocation.execute();
if (report.getActionExitCode() != ActionReport.ExitCode.SUCCESS
&& report.getActionExitCode() != ActionReport.ExitCode.WARNING) {
// If we couldn't update domain.xml then stop!
return;
}
}
if (!validateDasOptions()) {
report.setActionExitCode(WARNING);
return;
}
if (theNode.getType().equals("DOCKER")) {
report.appendMessage(
"\n\nSuccessfully registered instance with DAS, now attempting to create Docker container...");
createDockerContainer();
} else {
// Then go create the instance filesystem on the node
createInstanceFilesystem();
}
if (extraTerse) {
report.setMessage(instance);
}
if (StringUtils.ok(dataGridStartPort)) {
commandInvocation = commandRunner.getCommandInvocation("set-hazelcast-configuration", report, context.getSubject());
commandParameters = new ParameterMap();
commandParameters.add("configSpecificDataGridStartPort", dataGridStartPort);
commandParameters.add("target", targetUtil.getConfig(instance).getName());
commandInvocation.parameters(commandParameters);
commandInvocation.execute();
if (report.getActionExitCode() != ActionReport.ExitCode.SUCCESS
&& report.getActionExitCode() != ActionReport.ExitCode.WARNING) {
// If we couldn't update domain.xml then stop!
return;
}
}
}
private void validateInstanceDirUnique(ActionReport report, AdminCommandContext context) {
CommandInvocation listInstancesCommand = commandRunner.getCommandInvocation("list-instances", report, context.getSubject());
ParameterMap commandParameters = new ParameterMap();
commandParameters.add("whichTarget", theNode.getName());
listInstancesCommand.parameters(commandParameters);
listInstancesCommand.execute();
Properties extraProperties = listInstancesCommand.report().getExtraProperties();
if (extraProperties != null) {
List> instanceList = (List>) extraProperties.get("instanceList");
if (instanceList == null) {
return;
}
for (Map instanceMap : instanceList) {
File nodeDirFile = nodeDir != null ? new File(nodeDir) : defaultLocalNodeDirFile();
File instanceDir = new File(new File(nodeDirFile.toString(), theNode.getName()), instance);
String instanceName = instanceMap.get("name");
File instanceListDir = new File(new File(nodeDirFile.toString(), theNode.getName()), instance);
if (instance.equalsIgnoreCase(instanceName) && instanceDir.equals(instanceListDir)) {
String msg = Strings.get("Instance.duplicateInstanceDir", instance, instanceName);
logger.warning(msg);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return;
}
}
}
}
/**
* Returns the directory for the selected instance that is on the local system.
*
* @return File for the local file system location of the instance directory
* @throws IOException
*/
private File getLocalInstanceDir() throws IOException {
/*
* Pass the node directory parent and the node directory name explicitly or else InstanceDirs will not work as we want
* if there are multiple nodes registered on this node.
*
* If the configuration recorded an explicit directory for the node, then use it. Otherwise, use the default node
* directory of ${installDir}/glassfish/nodes/${nodeName}.
*/
File nodeDirFile = nodeDir != null ? new File(nodeDir) : defaultLocalNodeDirFile();
return new InstanceDirs(nodeDirFile.toString(), theNode.getName(), instance).getInstanceDir();
}
private File defaultLocalNodeDirFile() {
/*
* The default "nodes" directory we want to use has been set in asenv.conf named as AS_DEF_NODES_PATH
*/
return new File(new ASenvPropertyReader().getProps().get(AGENT_ROOT_PROPERTY));
}
private File getDomainInstanceDir() {
return env.getInstanceRoot();
}
/**
*
* Delivers bootstrap files for secure admin locally, because the instance is on the same system as the DAS (and
* therefore on the same system where this command is running).
*
* @return 0 if successful, 1 otherwise
*/
private int bootstrapSecureAdminLocally() {
ActionReport report = ctx.getActionReport();
try {
SecureAdminBootstrapHelper bootHelper = SecureAdminBootstrapHelper.getLocalHelper(env.getInstanceRoot(), getLocalInstanceDir());
bootHelper.bootstrapInstance();
bootHelper.close();
return 0;
} catch (IOException | SecureAdminBootstrapHelper.BootstrapException ex) {
return reportFailure(ex, report);
}
}
private int reportFailure(final Exception ex, final ActionReport report) {
String msg = Strings.get("create.instance.local.boot.failed", instance, node, nodeHost);
logger.log(SEVERE, msg, ex);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return 1;
}
/**
* Delivers bootstrap files for secure admin remotely, because the instance is NOT on the same system as the DAS.
*
* @return 0 if successful; 1 otherwise
*/
private int bootstrapSecureAdminRemotely() {
ActionReport report = ctx.getActionReport();
// nodedir is the root of where all the node dirs will be created.
// add the name of the node as that is where the instance files should be created
String thisNodeDir = null;
if (nodeDir != null) {
thisNodeDir = nodeDir + "/" + node;
}
try {
SecureAdminBootstrapHelper bootHelper = SecureAdminBootstrapHelper.getRemoteHelper(serviceLocator, getDomainInstanceDir(), thisNodeDir, instance,
theNode, logger);
bootHelper.bootstrapInstance();
bootHelper.close();
return 0;
} catch (Exception ex) {
String exmsg = ex.getMessage();
if (exmsg == null) {
// The root cause message is better than no message at all
exmsg = ExceptionUtil.getRootCause(ex).toString();
}
String msg = Strings.get("create.instance.remote.boot.failed", instance,
// DCOMFIX
(ex instanceof SecureAdminBootstrapHelper.BootstrapException ? ((SecureAdminBootstrapHelper.BootstrapException) ex).sshSettings() : null),
exmsg,
nodeHost);
logger.log(SEVERE, msg, ex);
report.setActionExitCode(FAILURE);
report.setMessage(msg);
return 1;
}
}
private void createInstanceFilesystem() {
ActionReport report = ctx.getActionReport();
report.setActionExitCode(SUCCESS);
NodeUtils nodeUtils = new NodeUtils(serviceLocator, logger);
Server dasServer = servers.getServer(SystemPropertyConstants.DAS_SERVER_NAME);
String dasHost = dasServer.getAdminHost();
String dasPort = Integer.toString(dasServer.getAdminPort());
ArrayList command = new ArrayList();
String humanCommand = null;
if (!theNode.isLocal()) {
// Only specify the DAS host if the node is remote. See issue 13993
command.add("--host");
command.add(dasHost);
}
command.add("--port");
command.add(dasPort);
command.add("_create-instance-filesystem");
if (nodeDir != null) {
command.add("--nodedir");
command.add(StringUtils.quotePathIfNecessary(nodeDir));
}
command.add("--node");
command.add(node);
command.add(instance);
humanCommand = makeCommandHuman(command);
if (userManagedNodeType()) {
report.setMessage(
StringUtils.cat(NEWLINE, registerInstanceMessage, Strings.get("create.instance.config", instance, humanCommand)));
return;
}
// First error message displayed if we fail
StringBuilder output = new StringBuilder();
// Run the command on the node and handle errors.
nodeUtils.runAdminCommandOnNode(
theNode, command, ctx, Strings.get("create.instance.filesystem.failed", instance, node, nodeHost), humanCommand, output);
if (report.getActionExitCode() != SUCCESS) {
// Something went wrong with the nonlocal command don't continue but set status to warning
// because config was updated correctly or we would not be here.
report.setActionExitCode(WARNING);
return;
}
// If it was successful say so and display the command output
String msg = Strings.get("create.instance.success", instance, nodeHost);
if (!terse) {
msg = StringUtils.cat(NEWLINE, output.toString().trim(), registerInstanceMessage, msg);
}
report.setMessage(msg);
// Bootstrap secure admin files
if (theNode.isLocal()) {
bootstrapSecureAdminLocally();
} else {
bootstrapSecureAdminRemotely();
}
if (report.getActionExitCode() != SUCCESS) {
// something went wrong with the nonlocal command don't continue but set status to warning
// because config was updated correctly or we would not be here.
report.setActionExitCode(WARNING);
}
}
private void createDockerContainer() {
ActionReport actionReport = ctx.getActionReport();
ActionReport subActionReport = actionReport.addSubActionsReport();
ParameterMap parameterMap = new ParameterMap();
parameterMap.add("node", theNode.getName());
parameterMap.add("DEFAULT", instance);
commandRunner.getCommandInvocation("_create-docker-container", subActionReport, ctx.getSubject())
.parameters(parameterMap)
.execute();
if (subActionReport.getActionExitCode() != SUCCESS) {
// Something went wrong with one of the sub-commands, so let's make sure this top level command fails as well
actionReport.setActionExitCode(FAILURE);
}
}
/**
* This ensures we don't step on another domain's node files on a remote instance. See bug GLASSFISH-14985.
*/
private boolean validateDasOptions() {
boolean isDasOptionsValid = true;
if (theNode.isLocal() || (!theNode.isLocal() && theNode.getType().equals("SSH"))) {
ActionReport report = ctx.getActionReport();
report.setActionExitCode(SUCCESS);
NodeUtils nodeUtils = new NodeUtils(serviceLocator, logger);
Server dasServer = servers.getServer(SystemPropertyConstants.DAS_SERVER_NAME);
String dasHost = dasServer.getAdminHost();
String dasPort = Integer.toString(dasServer.getAdminPort());
ArrayList command = new ArrayList<>();
if (!theNode.isLocal()) {
// Only specify the DAS host if the node is remote. See issue 13993
command.add("--host");
command.add(dasHost);
}
command.add("--port");
command.add(dasPort);
command.add("_validate-das-options");
if (nodeDir != null) {
command.add("--nodedir");
command.add(nodeDir); // XXX escape spaces?
}
command.add("--node");
command.add(node);
command.add(instance);
// Run the command on the node
nodeUtils.runAdminCommandOnNode(theNode, command, ctx, "", null, null);
if (report.getActionExitCode() != SUCCESS) {
report.setActionExitCode(FAILURE);
isDasOptionsValid = false;
}
}
return isDasOptionsValid;
}
private String makeCommandHuman(List commands) {
StringBuilder fullCommand = new StringBuilder();
fullCommand.append("lib");
fullCommand.append(System.getProperty("file.separator"));
fullCommand.append("nadmin ");
for (String command : commands) {
if (command.equals("_create-instance-filesystem")) {
// We tell the user to run create-local-instance, not the
// hidden command
fullCommand.append(" ");
fullCommand.append("create-local-instance");
} else {
fullCommand.append(" ");
fullCommand.append(command);
}
}
return fullCommand.toString();
}
// Verbose but very readable...
private boolean userManagedNodeType() {
if (theNode.isLocal()) {
return false;
}
if (theNode.getType().equals("SSH")) {
return false;
}
if (theNode.getType().equals("DCOM")) {
return false;
}
return true;
}
}
