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HBASE-15508 Add command for exporting snapshot in hbase command script (Yufeng Jiang)

This commit is contained in:
Matteo Bertozzi 2016-03-23 10:26:32 -07:00
parent cadfb21f4b
commit 7177e4be64
3 changed files with 30 additions and 13 deletions
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35
bin/hbase
View File

@ -71,20 +71,22 @@ if [ -d "${HBASE_HOME}/target" ]; then
in_dev_env=true
fi
read -d '' options_string << EOF
Options:
--config DIR Configuration direction to use. Default: ./conf
--hosts HOSTS Override the list in 'regionservers' file
--auth-as-server Authenticate to ZooKeeper using servers configuration
EOF
# if no args specified, show usage
if [ $# = 0 ]; then
echo "Usage: hbase [<options>] <command> [<args>]"
echo "Options:"
echo " --config DIR Configuration direction to use. Default: ./conf"
echo " --hosts HOSTS Override the list in 'regionservers' file"
echo " --auth-as-server Authenticate to ZooKeeper using servers configuration"
echo "$options_string"
echo ""
echo "Commands:"
echo "Some commands take arguments. Pass no args or -h for usage."
echo " shell Run the HBase shell"
echo " hbck Run the hbase 'fsck' tool"
echo " snapshot Create a new snapshot of a table"
echo " snapshotinfo Tool for dumping snapshot information"
echo " snapshot Tool for managing snapshots"
echo " wal Write-ahead-log analyzer"
echo " hfile Store file analyzer"
echo " zkcli Run the ZooKeeper shell"
@ -318,9 +320,24 @@ elif [ "$COMMAND" = "upgrade" ] ; then
echo "Please follow the documentation at http://hbase.apache.org/book.html#upgrading."
exit 1
elif [ "$COMMAND" = "snapshot" ] ; then
CLASS="org.apache.hadoop.hbase.snapshot.CreateSnapshot"
elif [ "$COMMAND" = "snapshotinfo" ] ; then
CLASS="org.apache.hadoop.hbase.snapshot.SnapshotInfo"
SUBCOMMAND=$1
shift
if [ "$SUBCOMMAND" = "create" ] ; then
CLASS="org.apache.hadoop.hbase.snapshot.CreateSnapshot"
elif [ "$SUBCOMMAND" = "info" ] ; then
CLASS="org.apache.hadoop.hbase.snapshot.SnapshotInfo"
elif [ "$SUBCOMMAND" = "export" ] ; then
CLASS="org.apache.hadoop.hbase.snapshot.ExportSnapshot"
else
echo "Usage: hbase [<options>] snapshot <subcommand> [<args>]"
echo "$options_string"
echo ""
echo "Subcommands:"
echo " create Create a new snapshot of a table"
echo " info Tool for dumping snapshot information"
echo " export Export an existing snapshot"
exit 1
fi
elif [ "$COMMAND" = "master" ] ; then
CLASS='org.apache.hadoop.hbase.master.HMaster'
if [ "$1" != "stop" ] && [ "$1" != "clear" ] ; then

4
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java
View File

@ -1057,11 +1057,11 @@ public class ExportSnapshot extends Configured implements Tool {
System.err.println(" -bandwidth Limit bandwidth to this value in MB/second.");
System.err.println();
System.err.println("Examples:");
System.err.println(" hbase " + getClass().getName() + " \\");
System.err.println(" hbase snapshot export \\");
System.err.println(" -snapshot MySnapshot -copy-to hdfs://srv2:8082/hbase \\");
System.err.println(" -chuser MyUser -chgroup MyGroup -chmod 700 -mappers 16");
System.err.println();
System.err.println(" hbase " + getClass().getName() + " \\");
System.err.println(" hbase snapshot export \\");
System.err.println(" -snapshot MySnapshot -copy-from hdfs://srv2:8082/hbase \\");
System.err.println(" -copy-to hdfs://srv1:50070/hbase \\");
System.exit(1);

4
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotInfo.java
View File

@ -467,7 +467,7 @@ public final class SnapshotInfo extends Configured implements Tool {
}
private void printUsageAndExit() {
System.err.printf("Usage: bin/hbase %s [options]%n", getClass().getName());
System.err.printf("Usage: bin/hbase snapshot info [options]%n");
System.err.println(" where [options] are:");
System.err.println(" -h|-help Show this help and exit.");
System.err.println(" -remote-dir Root directory that contains the snapshots.");
@ -479,7 +479,7 @@ public final class SnapshotInfo extends Configured implements Tool {
System.err.println(" -schema Describe the snapshotted table.");
System.err.println();
System.err.println("Examples:");
System.err.println(" hbase " + getClass() + " \\");
System.err.println(" hbase snapshot info \\");
System.err.println(" -snapshot MySnapshot -files");
System.exit(1);
}