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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.admin;
import com.gemstone.gemfire.LogWriter;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.persistence.PersistentID;
import com.gemstone.gemfire.distributed.DistributedMember;
import java.io.File;
import java.net.InetAddress;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
/**
* Administrative interface for managing an entire GemFire distributed
* system. This interface should not be confused with {@link
* com.gemstone.gemfire.distributed.DistributedSystem
* DistributedSystem} that represents a connection to a GemFire
* distributed system.
*
* @see AdminDistributedSystemFactory
*
* @author Kirk Lund
* @since 3.5
* @deprecated as of 7.0 use the {@link com.gemstone.gemfire.management} package instead
*/
public interface AdminDistributedSystem {
/**
* Retrieves the unique id for this system.
*/
public String getId();
/**
* Retrieves display friendly name for this system. If this administrative
* VM defined an optional name for its connection to the distributed system,
* that name will be returned. Otherwise the returned value will be {@link
* com.gemstone.gemfire.admin.AdminDistributedSystem#getId}.
*/
public String getName();
/**
* Retrieves the remote command and formatting this system should use to
* access and/or manipulate resources on remote machines.
*/
public String getRemoteCommand();
/**
* Sets the remote command and formatting this system should use to access
* and/or manipulate resources on remote machines.
*/
public void setRemoteCommand(String remoteCommand);
/**
* Sets the lowest level of alert that should be delivered to the
* {@link AlertListener}s registered on this
* AdminDistributedSystem. The default level is {@link
* AlertLevel#WARNING}.
*/
public void setAlertLevel(AlertLevel level);
/**
* Returns the lowest level of alerts that should be delivered to
* the {@link AlertListener}s registered on this
* AdminDistributedSystem.
*
* @see #setAlertLevel
*/
public AlertLevel getAlertLevel();
/**
* Sets the lowest level of alert that should be delivered to the
* {@link AlertListener}s registered on this
* AdminDistributedSystem. The default level is {@link
* AlertLevel#WARNING}.
*/
public void setAlertLevelAsString(String level);
/**
* Returns the lowest level of alerts that should be delivered to
* the {@link AlertListener}s registered on this
* AdminDistributedSystem.
*
* @see #setAlertLevelAsString
*/
public String getAlertLevelAsString();
/**
* Registers an AlertListener that will receive all
* alerts that are at or above the {@linkplain #setAlertLevel alert
* level}.
*/
public void addAlertListener(AlertListener listener);
/**
* Unregisters an AlertListener
*/
public void removeAlertListener(AlertListener listener);
/**
* Retrieves the multicast address in use by this system.
*/
public String getMcastAddress();
/**
* Retrieves the multicast port in use by this system.
*/
public int getMcastPort();
/**
* Retrieves comma-delimited list locators to be used if multi-cast port is
* zero. Format of each locators must be host[port].
*/
public String getLocators();
/**
* Returns true if this system is using multicast instead of locators for discovery
*/
public boolean isMcastDiscovery();
/**
* Returns true if this system has enabled the use of multicast for communications
*/
public boolean isMcastEnabled();
/**
* Returns true if any members of this system are currently running.
*/
public boolean isRunning();
/**
* Returns true if this is currently connected to the
* system.
*/
public boolean isConnected();
/**
* Starts all managed entities that are not currently running.
*
* @throws AdminException
* If a problem is encountered while starting the managed
* entities.
*/
public void start() throws AdminException;
/**
* Stops all managed entities that are currently running.
*
* @throws AdminException
* If a problem is encountered while starting the managed
* entities.
*/
public void stop() throws AdminException;
/**
* Merges and returns all system logs as a single formatted log.
*/
public String displayMergedLogs();
/**
* Creates a new DistributionLocator that is ready to
* {@linkplain DistributionLocator#getConfig configure} and
* {@linkplain #start start}.
*
*
*
* It is presumed that the newly-added locator is used to discover
* members of the distributed system. That is, the host/port of the
* new locator is appended to the {@link #getLocators locators}
* attribute of this AdminDistributedSystem.
*/
public DistributionLocator addDistributionLocator();
/**
* Returns array of DistributionLocators administered
* by this AdminDistributedSystem.
*/
public DistributionLocator[] getDistributionLocators();
/**
* Retrieves SystemMember instances for every
* application that is running and currently connection to this
* system. Note that this list does not include dedicated
* {@linkplain #getCacheVms cache server vms}.
*/
public SystemMember[] getSystemMemberApplications()
throws com.gemstone.gemfire.admin.AdminException;
/**
* Display in readable format the latest Alert in this distributed system.
*/
public String getLatestAlert();
/**
* Returns an object for monitoring the health of GemFire.
*/
public GemFireHealth getGemFireHealth();
/**
* Connects to the distributed system. This method will return
* immediately after spawning a background thread that connects to
* the distributed system. As a result, a
* AdminDistributedSystem can be "connected" to before
* any members of the system have been started or have been seen.
* The {@link #waitToBeConnected} method will wait for the
* connection to be made.
*
* @see #isConnected
* @see #isRunning
* @see #waitToBeConnected
*/
public void connect();
/**
* Wait for up to a given number of milliseconds for the connection
* to the distributed system to be made.
*
* @param timeout
* The number of milliseconds to wait for the connection to
* to be made.
*
* @return Whether or not the connection was made.
* false, if the method times out
*
* @throws InterruptedException
* If the thread invoking this method is interrupted while
* waiting.
* @throws IllegalStateException
* If {@link #connect} has not yet been called.
*/
public boolean waitToBeConnected(long timeout)
throws InterruptedException;
/**
* Disconnects from the distributed system.
*/
public void disconnect();
/** Returns this system's configuration .*/
public DistributedSystemConfig getConfig();
/** Returns this connection's LogWriter; null if not connected. */
public LogWriter getLogWriter();
/**
* Registers a listener that receives callbacks when a member joins
* or leaves the distributed system.
*/
public void addMembershipListener(SystemMembershipListener listener);
/**
* Unregisters a membership listener
*
* @see #addMembershipListener
*/
public void removeMembershipListener(SystemMembershipListener listener);
/**
* Registers a cache event listener.
* Does nothing if the listener is already registered. The listeners are called
* in the order they are registered.
* @param listener the listener to register.
* @since 5.0
*/
public void addCacheListener(SystemMemberCacheListener listener);
/**
* Unregisters a cache listener. Does nothing if the listener is
* not registered.
* @param listener the listener to unregister.
* @since 5.0
*/
public void removeCacheListener(SystemMemberCacheListener listener);
/**
* Creates a new cache server that is ready to {@linkplain
* CacheServerConfig configure} and {@linkplain #start
* start}.
*
* @since 4.0
* @deprecated as of 5.7 use {@link #addCacheVm} instead.
*/
@Deprecated
public CacheServer addCacheServer() throws AdminException;
/**
* Returns all of the dedicated cache server members of the
* distributed system. Because they are not managed entities,
* application VMs that host a server cache are not included in the
* array.
*
* @since 4.0
* @deprecated as of 5.7 use {@link #getCacheVms} instead.
*/
@Deprecated
public CacheServer[] getCacheServers() throws AdminException;
/**
* Returns all the cache server members of the distributed system which are
* hosting a client queue for the particular durable-client having the given
* durableClientId
*
* @param durableClientId -
* durable-id of the client
* @return array of CacheServer(s) having the queue for the durable client
* @throws AdminException
*
* @since 5.6
*/
public CacheServer[] getCacheServers(String durableClientId)
throws AdminException;
/**
* Creates a new cache vm that is ready to {@linkplain
* CacheVmConfig configure} and {@linkplain #start
* start}.
*
* @since 5.7
*/
public CacheVm addCacheVm() throws AdminException;
/**
* Returns all of the dedicated cache server vm members of the
* distributed system. Because they are not managed entities,
* application VMs that host a server cache are not included in the
* array.
*
* @since 5.7
*/
public CacheVm[] getCacheVms() throws AdminException;
/**
* Returns the administrative SystemMember specified by the {@link
* com.gemstone.gemfire.distributed.DistributedMember}.
*
* @param distributedMember the distributed member to lookup
* @return administrative SystemMember for that distributed member
* @since 5.0
*/
public SystemMember lookupSystemMember(DistributedMember distributedMember)
throws AdminException;
/**
* Indicate to the distributed system that persistent files have been lost.
* When a member recovers from a set of persistent files, it will wait for
* other members that were also persisting the same region to start up. If the
* persistent files for those other members were lost, this method can be used
* to tell the remaining members to stop waiting for the lost data.
*
* @param host
* The host of the member whose files were lost.
* @param directory
* The directory where those files resided.
*
* @throws RevokeFailedException if the persistent files are in fact
* currently running on one of the members of the distributed system.
* @since 6.5
* @deprecated use {@link #revokePersistentMember(UUID)} instead
*/
public void revokePersistentMember(InetAddress host, String directory) throws AdminException;
/**
* Indicate to the distributed system that persistent files have been lost.
* When a member recovers from a set of persistent files, it will wait for
* other members that were also persisting the same region to start up. If the
* persistent files for those other members were lost, this method can be used
* to tell the remaining members to stop waiting for the lost data.
*
* @param diskStoreID
* The unique id of the disk store which you are revoking. The unique
* id can be discovered from {@link #getMissingPersistentMembers()}
*
* @throws RevokeFailedException if the persistent files are in fact
* currently running on one of the members of the distributed system.
* @since 7.0
*/
public void revokePersistentMember(UUID diskStoreID) throws AdminException;
/**
* Indicates a member waiting for other diskStoreID to go ahead with the initialization.
* When a member recovers from a set of persistent files, it will wait for
* other members that were also persisting the same region to start up. If the
* persistent files for those other members were lost or not available,
* this method can be used to tell the members to stop waiting for that data
* and consider its own data as latest.
* @param diskStoreID
* @throws AdminException
*/
public void unblockPersistentMember(UUID diskStoreID) throws AdminException;
/**
* Retrieve the set of persistent files that the existing members are waiting
* for. See {@link AdminDistributedSystem#revokePersistentMember(InetAddress, String)}
* @return The persistent members that were known to the existing persistent members,
* when the existing members were last online.
* @throws AdminException
* @since 6.5
*
*/
public Set getMissingPersistentMembers() throws AdminException;
/**
* Shuts down all the members of the distributed system with a cache that the admin
* member is connected to, excluding the stand-alone locators. Calling this method
* will ensure that regions with the {@link DataPolicy#PERSISTENT_PARTITION} to
* be shutdown in a way which allows for a faster recovery when the members are
* restarted.
*
* Killing individual members can lead to inconsistencies in the members persistent
* data, which gemfire repairs on startup. Calling shutDownAllMembers makes sure
* that the persistent files are consistent on shutdown, which makes recovery faster.
*
* This is equivalent to calling shutDownAllMembers(0);
* @return The set of members that were shutdown
* @since 6.5
*/
public Set shutDownAllMembers() throws AdminException;
/**
* Shuts down all the members of the distributed system with a cache that the
* admin member is connected to, excluding the stand-alone locators. Calling
* this method will ensure that regions with the
* {@link DataPolicy#PERSISTENT_PARTITION} to be shutdown in a way which
* allows for a faster recovery when the members are restarted.
*
* Killing individual members can lead to inconsistencies in the members
* persistent data, which gemfire repairs on startup. Calling
* shutDownAllMembers makes sure that the persistent files are consistent on
* shutdown, which makes recovery faster.
*
* @param timeout The amount of time to wait (in milliseconds) for the shutdown all to
* complete.
* @return The set of members that were shutdown, or null if the timeout is exceeded.
*
* @since 6.5
*/
public Set shutDownAllMembers(long timeout) throws AdminException;
/**
* Backup the persistent files for all of the members of the distributed
* system that the admin member is connected to.
*
* @param targetDir The directory where each member's backup should be placed.
*
* @return The status of the backup, which includes the set of members
* that were backed up and the set of members that were known to be
* offline at the time of backup.
* @since 6.5
*/
public BackupStatus backupAllMembers(File targetDir) throws AdminException;
/**
* Incrementally backup the persistent files for all of the members of the distributed
* system that the admin member is connected to. Only new operation log files since the previous backup will be copied during this backup.
* The generated restore script will reference and copy operation log files from the previous backup.
*
* @param targetDir The directory where each member's backup should be placed.
* @param baselineDir The directory of a previous backup.
* If this parameter is null or the directory does not exist (on a member by member basis)
* a full backup will be performed for the member.
*
* @return The status of the backup, which includes the set of members
* that were backed up and the set of members that were known to be
* offline at the time of backup.
* @since 6.5
*/
public BackupStatus backupAllMembers(File targetDir,File baselineDir) throws AdminException;
/**
* Compact the persistent files for all of the members of the distributed
* system that the admin member connected to.
*
* This is equivalent to calling {DiskStore#forceCompaction} on all members.
*
* @return The set of members that compacted their disk stores.
* @since 6.5
*/
public Map> compactAllDiskStores() throws AdminException;
}