| | |
| | | import java.io.File; |
| | | import java.util.ArrayList; |
| | | import java.util.HashSet; |
| | | import java.util.LinkedHashMap; |
| | | import java.util.LinkedList; |
| | | import java.util.List; |
| | | import java.util.concurrent.locks.Lock; |
| | | |
| | | import org.opends.server.api.Backend; |
| | | import org.opends.server.api.ConfigurableComponent; |
| | | import org.opends.server.config.ConfigAttribute; |
| | | import org.opends.server.config.ConfigEntry; |
| | | import org.opends.server.config.ConfigException; |
| | | import org.opends.server.config.IntegerWithUnitConfigAttribute; |
| | | import org.opends.server.config.StringConfigAttribute; |
| | | import org.opends.server.config.ConfigEntry; |
| | | import org.opends.server.core.AddOperation; |
| | | import org.opends.server.core.DeleteOperation; |
| | | import org.opends.server.core.DirectoryServer; |
| | | import org.opends.server.core.ModifyOperation; |
| | | import org.opends.server.core.ModifyDNOperation; |
| | | import org.opends.server.core.SearchOperation; |
| | | import org.opends.server.core.BackendConfigManager; |
| | | import org.opends.server.types.DN; |
| | | import org.opends.server.types.Entry; |
| | | import org.opends.server.types.BackupConfig; |
| | |
| | | import org.opends.server.types.DebugLogLevel; |
| | | import static org.opends.server.messages.BackendMessages.*; |
| | | import static org.opends.server.messages.MessageHandler.*; |
| | | import static org.opends.server.util.ServerConstants.*; |
| | | import static org.opends.server.util.StaticUtils.*; |
| | | |
| | | import org.opends.server.util.Validator; |
| | | import org.opends.server.admin.std.server.TaskBackendCfg; |
| | | import org.opends.server.admin.std.meta.TaskBackendCfgDefn; |
| | | import org.opends.server.admin.server.ConfigurationChangeListener; |
| | | |
| | | |
| | | /** |
| | |
| | | */ |
| | | public class TaskBackend |
| | | extends Backend |
| | | implements ConfigurableComponent |
| | | implements ConfigurationChangeListener<TaskBackendCfg> |
| | | { |
| | | /** |
| | | * The set of time units that will be used for expressing the task retention |
| | | * time. |
| | | */ |
| | | private static final LinkedHashMap<String,Double> timeUnits = |
| | | new LinkedHashMap<String,Double>(); |
| | | |
| | | |
| | | // The current configuration state. |
| | | private TaskBackendCfg currentConfig; |
| | | |
| | | // The DN of the configuration entry for this backend. |
| | | private DN configEntryDN; |
| | |
| | | |
| | | |
| | | |
| | | static |
| | | { |
| | | timeUnits.put(TIME_UNIT_SECONDS_ABBR, 1D); |
| | | timeUnits.put(TIME_UNIT_SECONDS_FULL, 1D); |
| | | timeUnits.put(TIME_UNIT_MINUTES_ABBR, 60D); |
| | | timeUnits.put(TIME_UNIT_MINUTES_FULL, 60D); |
| | | timeUnits.put(TIME_UNIT_HOURS_ABBR, (double) (60 * 60)); |
| | | timeUnits.put(TIME_UNIT_HOURS_FULL, (double) (60 * 60)); |
| | | timeUnits.put(TIME_UNIT_DAYS_ABBR, (double) (60 * 60 * 24)); |
| | | timeUnits.put(TIME_UNIT_DAYS_FULL, (double) (60 * 60 * 24)); |
| | | timeUnits.put(TIME_UNIT_WEEKS_ABBR, (double) (60 * 60 * 24 * 7)); |
| | | timeUnits.put(TIME_UNIT_WEEKS_FULL, (double) (60 * 60 * 24 * 7)); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Creates a new backend with the provided information. All backend |
| | | * implementations must implement a default constructor that use |
| | |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Initializes this backend based on the information in the provided |
| | | * configuration entry. |
| | | * |
| | | * @param configEntry The configuration entry that contains the information |
| | | * to use to initialize this backend. |
| | | * @param baseDNs The set of base DNs that have been configured for this |
| | | * backend. |
| | | * |
| | | * @throws ConfigException If an unrecoverable problem arises in the |
| | | * process of performing the initialization. |
| | | * |
| | | * @throws InitializationException If a problem occurs during initialization |
| | | * that is not related to the server |
| | | * configuration. |
| | | * {@inheritDoc} |
| | | */ |
| | | public void initializeBackend(ConfigEntry configEntry, DN[] baseDNs) |
| | | throws ConfigException, InitializationException |
| | | { |
| | | // Make sure that a configuration entry was provided. If not, then we will |
| | | // not be able to complete the initialization. |
| | | if (configEntry == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_CONFIG_ENTRY_NULL; |
| | | String message = getMessage(msgID); |
| | | throw new ConfigException(msgID, message); |
| | | } |
| | | Validator.ensureNotNull(configEntry); |
| | | TaskBackendCfg cfg = getTaskBackendCfg(configEntry); |
| | | |
| | | configEntryDN = configEntry.getDN(); |
| | | configEntryDN = cfg.dn(); |
| | | |
| | | |
| | | // Make sure that the provided set of base DNs contains exactly one value. |
| | |
| | | |
| | | // Get the retention time that will be used to determine how long task |
| | | // information stays around once the associated task is completed. |
| | | int msgID = MSGID_TASKBE_DESCRIPTION_RETENTION_TIME; |
| | | IntegerWithUnitConfigAttribute retentionStub = |
| | | new IntegerWithUnitConfigAttribute(ATTR_TASK_RETENTION_TIME, |
| | | getMessage(msgID), false, timeUnits, |
| | | true, 0, false, 0); |
| | | try |
| | | { |
| | | IntegerWithUnitConfigAttribute retentionAttr = |
| | | (IntegerWithUnitConfigAttribute) |
| | | configEntry.getConfigAttribute(retentionStub); |
| | | if (retentionAttr == null) |
| | | { |
| | | retentionTime = DEFAULT_TASK_RETENTION_TIME; |
| | | } |
| | | else |
| | | { |
| | | retentionTime = retentionAttr.activeCalculatedValue(); |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_TASKBE_CANNOT_INITIALIZE_RETENTION_TIME; |
| | | String message = getMessage(msgID, stackTraceToSingleLineString(e)); |
| | | throw new InitializationException(msgID, message, e); |
| | | } |
| | | retentionTime = cfg.getTaskRetentionTime(); |
| | | |
| | | |
| | | // Get the path to the task data backing file. |
| | | msgID = MSGID_TASKBE_DESCRIPTION_BACKING_FILE; |
| | | StringConfigAttribute taskFileStub = |
| | | new StringConfigAttribute(ATTR_TASK_BACKING_FILE, getMessage(msgID), |
| | | true, false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute taskFileAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(taskFileStub); |
| | | if (taskFileAttr == null) |
| | | { |
| | | taskBackingFile = DirectoryServer.getServerRoot() + File.separator + |
| | | CONFIG_DIR_NAME + File.separator + TASK_FILE_NAME; |
| | | } |
| | | else |
| | | { |
| | | taskBackingFile = taskFileAttr.activeValue(); |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_TASKBE_CANNOT_INITIALIZE_BACKING_FILE; |
| | | String message = getMessage(msgID, stackTraceToSingleLineString(e)); |
| | | throw new InitializationException(msgID, message, e); |
| | | } |
| | | taskBackingFile = cfg.getTaskBackingFile(); |
| | | |
| | | |
| | | // Create the scheduler and initialize it from the backing file. |
| | |
| | | |
| | | |
| | | // Register with the Directory Server as a configurable component. |
| | | DirectoryServer.registerConfigurableComponent(this); |
| | | currentConfig = cfg; |
| | | cfg.addTaskChangeListener(this); |
| | | |
| | | |
| | | // Register the task base as a private suffix. |
| | |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_BACKEND_CANNOT_REGISTER_BASEDN; |
| | | int msgID = MSGID_BACKEND_CANNOT_REGISTER_BASEDN; |
| | | String message = getMessage(msgID, taskRootDN.toString(), |
| | | stackTraceToSingleLineString(e)); |
| | | throw new InitializationException(msgID, message, e); |
| | |
| | | */ |
| | | public void finalizeBackend() |
| | | { |
| | | DirectoryServer.deregisterConfigurableComponent(this); |
| | | currentConfig.removeTaskChangeListener(this); |
| | | |
| | | |
| | | try |
| | |
| | | |
| | | |
| | | /** |
| | | * Exports the contents of this backend to LDIF. This method should only be |
| | | * called if <CODE>supportsLDIFExport</CODE> returns <CODE>true</CODE>. Note |
| | | * that the server will not explicitly initialize this backend before calling |
| | | * this method. |
| | | * |
| | | * @param configEntry The configuration entry for this backend. |
| | | * @param baseDNs The set of base DNs configured for this backend. |
| | | * @param exportConfig The configuration to use when performing the export. |
| | | * |
| | | * @throws DirectoryException If a problem occurs while performing the LDIF |
| | | * export. |
| | | * {@inheritDoc} |
| | | */ |
| | | public void exportLDIF(ConfigEntry configEntry, DN[] baseDNs, |
| | | LDIFExportConfig exportConfig) |
| | |
| | | |
| | | |
| | | /** |
| | | * Imports information from an LDIF file into this backend. This method |
| | | * should only be called if <CODE>supportsLDIFImport</CODE> returns |
| | | * <CODE>true</CODE>. Note that the server will not explicitly initialize |
| | | * this backend before calling this method. |
| | | * |
| | | * @param configEntry The configuration entry for this backend. |
| | | * @param baseDNs The set of base DNs configured for this backend. |
| | | * @param importConfig The configuration to use when performing the import. |
| | | * |
| | | * @throws DirectoryException If a problem occurs while performing the LDIF |
| | | * import. |
| | | * {@inheritDoc} |
| | | */ |
| | | public void importLDIF(ConfigEntry configEntry, DN[] baseDNs, |
| | | LDIFImportConfig importConfig) |
| | |
| | | |
| | | |
| | | /** |
| | | * Creates a backup of the contents of this backend in a form that may be |
| | | * restored at a later date if necessary. This method should only be called |
| | | * if <CODE>supportsBackup</CODE> returns <CODE>true</CODE>. Note that the |
| | | * server will not explicitly initialize this backend before calling this |
| | | * method. |
| | | * |
| | | * @param configEntry The configuration entry for this backend. |
| | | * @param backupConfig The configuration to use when performing the backup. |
| | | * |
| | | * @throws DirectoryException If a problem occurs while performing the |
| | | * backup. |
| | | * {@inheritDoc} |
| | | */ |
| | | public void createBackup(ConfigEntry configEntry, BackupConfig backupConfig) |
| | | throws DirectoryException |
| | |
| | | |
| | | |
| | | /** |
| | | * Restores a backup of the contents of this backend. This method should only |
| | | * be called if <CODE>supportsRestore</CODE> returns <CODE>true</CODE>. Note |
| | | * that the server will not explicitly initialize this backend before calling |
| | | * this method. |
| | | * |
| | | * @param configEntry The configuration entry for this backend. |
| | | * @param restoreConfig The configuration to use when performing the |
| | | * restore. |
| | | * |
| | | * @throws DirectoryException If a problem occurs while performing the |
| | | * restore. |
| | | * {@inheritDoc} |
| | | */ |
| | | public void restoreBackup(ConfigEntry configEntry, |
| | | RestoreConfig restoreConfig) |
| | |
| | | |
| | | |
| | | /** |
| | | * Retrieves the DN of the configuration entry with which this component is |
| | | * associated. |
| | | * |
| | | * @return The DN of the configuration entry with which this component is |
| | | * associated. |
| | | * {@inheritDoc} |
| | | */ |
| | | public DN getConfigurableComponentEntryDN() |
| | | { |
| | | return configEntryDN; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Retrieves the set of configuration attributes that are associated with this |
| | | * configurable component. |
| | | * |
| | | * @return The set of configuration attributes that are associated with this |
| | | * configurable component. |
| | | */ |
| | | public List<ConfigAttribute> getConfigurationAttributes() |
| | | { |
| | | LinkedList<ConfigAttribute> attrList = new LinkedList<ConfigAttribute>(); |
| | | |
| | | String description = getMessage(MSGID_TASKBE_DESCRIPTION_BACKING_FILE); |
| | | attrList.add(new StringConfigAttribute(ATTR_TASK_BACKING_FILE, description, |
| | | true, false, false, |
| | | taskBackingFile)); |
| | | |
| | | description = getMessage(MSGID_TASKBE_DESCRIPTION_RETENTION_TIME); |
| | | attrList.add(new IntegerWithUnitConfigAttribute(ATTR_TASK_RETENTION_TIME, |
| | | description, false, |
| | | timeUnits, true, 0, false, |
| | | 0, retentionTime, |
| | | TIME_UNIT_SECONDS_FULL)); |
| | | |
| | | return attrList; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Indicates whether the provided configuration entry has an acceptable |
| | | * configuration for this component. If it does not, then detailed |
| | | * information about the problem(s) should be added to the provided list. |
| | | * |
| | | * @param configEntry The configuration entry for which to make the |
| | | * determination. |
| | | * @param unacceptableReasons A list that can be used to hold messages about |
| | | * why the provided entry does not have an |
| | | * acceptable configuration. |
| | | * |
| | | * @return <CODE>true</CODE> if the provided entry has an acceptable |
| | | * configuration for this component, or <CODE>false</CODE> if not. |
| | | */ |
| | | public boolean hasAcceptableConfiguration(ConfigEntry configEntry, |
| | | public boolean isConfigurationChangeAcceptable(TaskBackendCfg configEntry, |
| | | List<String> unacceptableReasons) |
| | | { |
| | | boolean configIsAcceptable = true; |
| | | |
| | | |
| | | String description = getMessage(MSGID_TASKBE_DESCRIPTION_BACKING_FILE); |
| | | StringConfigAttribute backingStub = |
| | | new StringConfigAttribute(ATTR_TASK_BACKING_FILE, description, true, |
| | | false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute backingAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(backingStub); |
| | | if (backingAttr == null) |
| | | String tmpBackingFile = configEntry.getTaskBackingFile(); |
| | | if (! taskBackingFile.equals(tmpBackingFile)) |
| | | { |
| | | int msgID = MSGID_TASKBE_NO_BACKING_FILE; |
| | | unacceptableReasons.add(getMessage(msgID, ATTR_TASK_BACKING_FILE)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else |
| | | { |
| | | String tmpBackingFile = backingAttr.pendingValue(); |
| | | if (! taskBackingFile.equals(tmpBackingFile)) |
| | | File f = getFileForPath(tmpBackingFile); |
| | | if (f.exists()) |
| | | { |
| | | File f = getFileForPath(tmpBackingFile); |
| | | if (f.exists()) |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_EXISTS; |
| | | unacceptableReasons.add(getMessage(msgID, tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else |
| | | { |
| | | File p = f.getParentFile(); |
| | | if (p == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_EXISTS; |
| | | int msgID = MSGID_TASKBE_INVALID_BACKING_FILE_PATH; |
| | | unacceptableReasons.add(getMessage(msgID, tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else |
| | | else if (! p.exists()) |
| | | { |
| | | File p = f.getParentFile(); |
| | | if (p == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_INVALID_BACKING_FILE_PATH; |
| | | unacceptableReasons.add(getMessage(msgID, tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else if (! p.exists()) |
| | | { |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_MISSING_PARENT; |
| | | unacceptableReasons.add(getMessage(msgID, p.getPath(), |
| | | tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else if (! p.isDirectory()) |
| | | { |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_PARENT_NOT_DIRECTORY; |
| | | unacceptableReasons.add(getMessage(msgID, p.getPath(), |
| | | tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_MISSING_PARENT; |
| | | unacceptableReasons.add(getMessage(msgID, p.getPath(), |
| | | tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | else if (! p.isDirectory()) |
| | | { |
| | | int msgID = MSGID_TASKBE_BACKING_FILE_PARENT_NOT_DIRECTORY; |
| | | unacceptableReasons.add(getMessage(msgID, p.getPath(), |
| | | tmpBackingFile)); |
| | | configIsAcceptable = false; |
| | | } |
| | | } |
| | | } |
| | |
| | | } |
| | | |
| | | |
| | | description = getMessage(MSGID_TASKBE_DESCRIPTION_RETENTION_TIME); |
| | | IntegerWithUnitConfigAttribute retentionStub = |
| | | new IntegerWithUnitConfigAttribute(ATTR_TASK_RETENTION_TIME, |
| | | description, false, timeUnits, |
| | | true, 0, false, 0); |
| | | try |
| | | { |
| | | IntegerWithUnitConfigAttribute retentionAttr = |
| | | (IntegerWithUnitConfigAttribute) |
| | | configEntry.getConfigAttribute(retentionStub); |
| | | if (retentionAttr == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_NO_RETENTION_TIME; |
| | | unacceptableReasons.add(getMessage(msgID, ATTR_TASK_RETENTION_TIME)); |
| | | configIsAcceptable = false; |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | int msgID = MSGID_TASKBE_ERROR_GETTING_RETENTION_TIME; |
| | | unacceptableReasons.add(getMessage(msgID, ATTR_TASK_RETENTION_TIME, |
| | | stackTraceToSingleLineString(e))); |
| | | |
| | | configIsAcceptable = false; |
| | | } |
| | | |
| | | |
| | | return configIsAcceptable; |
| | |
| | | |
| | | |
| | | /** |
| | | * Makes a best-effort attempt to apply the configuration contained in the |
| | | * provided entry. Information about the result of this processing should be |
| | | * added to the provided message list. Information should always be added to |
| | | * this list if a configuration change could not be applied. If detailed |
| | | * results are requested, then information about the changes applied |
| | | * successfully (and optionally about parameters that were not changed) should |
| | | * also be included. |
| | | * |
| | | * @param configEntry The entry containing the new configuration to |
| | | * apply for this component. |
| | | * @param detailedResults Indicates whether detailed information about the |
| | | * processing should be added to the list. |
| | | * |
| | | * @return Information about the result of the configuration update. |
| | | * {@inheritDoc} |
| | | */ |
| | | public ConfigChangeResult applyNewConfiguration(ConfigEntry configEntry, |
| | | boolean detailedResults) |
| | | public ConfigChangeResult applyConfigurationChange(TaskBackendCfg configEntry) |
| | | { |
| | | ResultCode resultCode = ResultCode.SUCCESS; |
| | | boolean adminActionRequired = false; |
| | |
| | | |
| | | |
| | | String tmpBackingFile = taskBackingFile; |
| | | String description = getMessage(MSGID_TASKBE_DESCRIPTION_BACKING_FILE); |
| | | StringConfigAttribute backingStub = |
| | | new StringConfigAttribute(ATTR_TASK_BACKING_FILE, description, true, |
| | | false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute backingAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(backingStub); |
| | | if (backingAttr == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_NO_BACKING_FILE; |
| | | messages.add(getMessage(msgID, ATTR_TASK_BACKING_FILE)); |
| | | resultCode = ResultCode.OBJECTCLASS_VIOLATION; |
| | | } |
| | | else |
| | | { |
| | | tmpBackingFile = backingAttr.pendingValue(); |
| | | tmpBackingFile = configEntry.getTaskBackingFile(); |
| | | if (! taskBackingFile.equals(tmpBackingFile)) |
| | | { |
| | | File f = getFileForPath(tmpBackingFile); |
| | |
| | | } |
| | | |
| | | |
| | | long tmpRetentionTime = retentionTime; |
| | | description = getMessage(MSGID_TASKBE_DESCRIPTION_RETENTION_TIME); |
| | | IntegerWithUnitConfigAttribute retentionStub = |
| | | new IntegerWithUnitConfigAttribute(ATTR_TASK_RETENTION_TIME, |
| | | description, false, timeUnits, |
| | | true, 0, false, 0); |
| | | try |
| | | { |
| | | IntegerWithUnitConfigAttribute retentionAttr = |
| | | (IntegerWithUnitConfigAttribute) |
| | | configEntry.getConfigAttribute(retentionStub); |
| | | if (retentionAttr == null) |
| | | { |
| | | int msgID = MSGID_TASKBE_NO_RETENTION_TIME; |
| | | messages.add(getMessage(msgID, ATTR_TASK_RETENTION_TIME)); |
| | | |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | resultCode = ResultCode.OBJECTCLASS_VIOLATION; |
| | | } |
| | | } |
| | | else |
| | | { |
| | | tmpRetentionTime = retentionAttr.activeCalculatedValue(); |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | int msgID = MSGID_TASKBE_ERROR_GETTING_RETENTION_TIME; |
| | | messages.add(getMessage(msgID, ATTR_TASK_RETENTION_TIME, |
| | | stackTraceToSingleLineString(e))); |
| | | |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | resultCode = DirectoryServer.getServerErrorResultCode(); |
| | | } |
| | | } |
| | | long tmpRetentionTime = configEntry.getTaskRetentionTime(); |
| | | |
| | | |
| | | if (resultCode == ResultCode.SUCCESS) |
| | |
| | | } |
| | | |
| | | |
| | | currentConfig = configEntry; |
| | | return new ConfigChangeResult(resultCode, adminActionRequired, messages); |
| | | } |
| | | |
| | |
| | | { |
| | | return taskScheduler.getRecurringTask(taskEntryDN); |
| | | } |
| | | |
| | | |
| | | |
| | | private static TaskBackendCfg getTaskBackendCfg(ConfigEntry configEntry) |
| | | throws ConfigException { |
| | | return BackendConfigManager.getConfiguration( |
| | | TaskBackendCfgDefn.getInstance(), configEntry); |
| | | } |
| | | } |
| | | |