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Commit cf77a7f1 authored by gni/root@dev3-127.(none)'s avatar gni/root@dev3-127.(none)
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BUG#19620 ndb_mgm help needs help

parent 33bbac31
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ndb/src/mgmclient/CommandInterpreter.cpp
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......@@ -266,7 +266,7 @@ static const char* helpText =
" NDB Cluster -- Management Client -- Help\n"
"---------------------------------------------------------------------------\n"
"HELP Print help text\n"
"HELP SHOW Help for SHOW command\n"
"HELP COMMAND Print detailed help for COMMAND(e.g. SHOW)\n"
#ifdef HAVE_GLOBAL_REPLICATION
"HELP REPLICATION Help for global replication\n"
#endif // HAVE_GLOBAL_REPLICATION
......@@ -286,10 +286,10 @@ static const char* helpText =
"CLUSTERLOG OFF [<severity>] ... Disable Cluster logging\n"
"CLUSTERLOG TOGGLE [<severity>] ... Toggle severity filter on/off\n"
"CLUSTERLOG INFO Print cluster log information\n"
"<id> START Start DB node (started with -n)\n"
"<id> RESTART [-n] [-i] Restart DB node\n"
"<id> STOP Stop DB node\n"
"ENTER SINGLE USER MODE <api-node> Enter single user mode\n"
"<id> START Start data node (started with -n)\n"
"<id> RESTART [-n] [-i] Restart data or management server node\n"
"<id> STOP Stop data or management server node\n"
"ENTER SINGLE USER MODE <id> Enter single user mode\n"
"EXIT SINGLE USER MODE Exit single user mode\n"
"<id> STATUS Print status\n"
"<id> CLUSTERLOG {<category>=<level>}+ Set log level for cluster log\n"
......@@ -305,14 +305,296 @@ static const char* helpTextShow =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for SHOW command\n"
"---------------------------------------------------------------------------\n"
"SHOW prints NDB Cluster information\n\n"
"SHOW Print information about cluster\n"
"SHOW Print information about cluster\n\n"
"SHOW Print information about cluster.The status reported is from\n"
" the perspective of the data nodes. API and Management Server nodes\n"
" are only reported as connected once the data nodes have started.\n"
#if 0
"SHOW CONFIG Print configuration (in initial config file format)\n"
"SHOW PARAMETERS Print information about configuration parameters\n\n"
#endif
;
static const char* helpTextHelp =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for HELP command\n"
"---------------------------------------------------------------------------\n"
"HELP List available commands of NDB Cluster Management Client\n\n"
"HELP List available commands.\n"
;
static const char* helpTextBackup =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for BACKUP command\n"
"---------------------------------------------------------------------------\n"
"BACKUP A backup is a snapshot of the database at a given time. \n"
" The backup consists of three main parts:\n\n"
" Metadata: the names and definitions of all database tables. \n"
" Table records: the data actually stored in the database tables \n"
" at the time that the backup was made.\n"
" Transaction log: a sequential record telling how \n"
" and when data was stored in the database.\n\n"
" Backups are stored on each data node in the cluster that \n"
" participates in the backup.\n\n"
" The cluster log records backup related events (such as \n"
" backup started, aborted, finished).\n"
;
static const char* helpTextStartBackup =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for START BACKUP command\n"
"---------------------------------------------------------------------------\n"
"START BACKUP Start a cluster backup\n\n"
"START BACKUP [NOWAIT | WAIT STARTED | WAIT COMPLETED]\n"
" Start a backup for the cluster.\n"
" Each backup gets an ID number that is reported to the\n"
" user. This ID number can help you find the backup on the\n"
" file system, or ABORT BACKUP if you wish to cancel a \n"
" running backup.\n\n"
" NOWAIT \n"
" Start a cluster backup and return immediately.\n"
" The management client will return control directly\n"
" to the user without waiting for the backup\n"
" to have started.\n"
" The status of the backup is recorded in the Cluster log.\n"
" WAIT STARTED\n"
" Start a cluster backup and return until the backup has\n"
" started. The management client will wait for the backup \n"
" to have started before returning control to the user.\n"
" WAIT COMPLETED\n"
" Start a cluster backup and return until the backup has\n"
" completed. The management client will wait for the backup\n"
" to complete before returning control to the user.\n"
;
static const char* helpTextAbortBackup =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for ABORT BACKUP command\n"
"---------------------------------------------------------------------------\n"
"ABORT BACKUP Abort a cluster backup\n\n"
"ABORT BACKUP <backup id> \n"
" Abort a backup that is already in progress.\n"
" The backup id can be seen in the cluster log or in the\n"
" output of the START BACKUP command.\n"
;
static const char* helpTextShutdown =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for SHUTDOWN command\n"
"---------------------------------------------------------------------------\n"
"SHUTDOWN Shutdown the cluster\n\n"
"SHUTDOWN Shutdown the data nodes and management nodes.\n"
" MySQL Servers and NDBAPI nodes are currently not \n"
" shut down by issuing this command.\n"
;
static const char* helpTextClusterlogOn =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CLUSTERLOG ON command\n"
"---------------------------------------------------------------------------\n"
"CLUSTERLOG ON Enable Cluster logging\n\n"
"CLUSTERLOG ON [<severity>] ... \n"
" Turn the cluster log on.\n"
" It tells management server which severity levels\n"
" messages will be logged.\n\n"
" <severity > can be any one of the following values:\n"
" ALERT, CRITICAL, ERROR, WARNING, INFO, DEBUG.\n"
;
static const char* helpTextClusterlogOff =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CLUSTERLOG OFF command\n"
"---------------------------------------------------------------------------\n"
"CLUSTERLOG OFF Disable Cluster logging\n\n"
"CLUSTERLOG OFF [<severity>] ... \n"
" Turn the cluster log off.\n"
" It tells management server which serverity\n"
" levels logging will be disabled.\n\n"
" <severity > can be any one of the following values:\n"
" ALERT, CRITICAL, ERROR, WARNING, INFO, DEBUG.\n"
;
static const char* helpTextClusterlogToggle =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CLUSTERLOG TOGGLE command\n"
"---------------------------------------------------------------------------\n"
"CLUSTERLOG TOGGLE Toggle severity filter on/off\n\n"
"CLUSTERLOG TOGGLE [<severity>] ... \n"
" Toggle serverity filter on/off.\n"
" If a serverity level is already enabled,then it will\n"
" be disabled after you use the command,vice versa.\n\n"
" <severity > can be any one of the following values:\n"
" ALERT, CRITICAL, ERROR, WARNING, INFO, DEBUG.\n"
;
static const char* helpTextClusterlogInfo =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CLUSTERLOG INFO command\n"
"---------------------------------------------------------------------------\n"
"CLUSTERLOG INFO Print cluster log information\n\n"
"CLUSTERLOG INFO Display which severity levels have been enabled,\n"
" see HELP CLUSTERLOG for list of the severity levels.\n"
;
static const char* helpTextStart =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for START command\n"
"---------------------------------------------------------------------------\n"
"START Start data node (started with -n)\n\n"
"<id> START Start the data node identified by <id>.\n"
" Only starts data nodes that have not\n"
" yet joined the cluster. These are nodes\n"
" launched or restarted with the -n(--nostart)\n"
" option.\n\n"
" It does not launch the ndbd process on a remote\n"
" machine.\n"
;
static const char* helpTextRestart =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for RESTART command\n"
"---------------------------------------------------------------------------\n"
"RESTART Restart data or management server node\n\n"
"<id> RESTART [-n] [-i] \n"
" Restart the data or management node <id>(or All data nodes).\n\n"
" -n (--nostart) restarts the node but does not\n"
" make it join the cluster. Use '<id> START' to\n"
" join the node to the cluster.\n\n"
" -i (--initial) perform initial start.\n"
" This cleans the file system (ndb_<id>_fs)\n"
" and the node will copy data from another node\n"
" in the same node group during start up.\n\n"
" Consult the documentation before using -i.\n\n"
" INCORRECT USE OF -i WILL CAUSE DATA LOSS!\n"
;
static const char* helpTextStop =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for STOP command\n"
"---------------------------------------------------------------------------\n"
"STOP Stop data or management server node\n\n"
"<id> STOP Stop the data or management server node <id>.\n\n"
" ALL STOP will just stop all data nodes.\n\n"
" If you desire to also shut down management servers,\n"
" use SHUTDOWN instead.\n"
;
static const char* helpTextEnterSingleUserMode =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for ENTER SINGLE USER MODE command\n"
"---------------------------------------------------------------------------\n"
"ENTER SINGLE USER MODE Enter single user mode\n\n"
"ENTER SINGLE USER MODE <id> \n"
" Enters single-user mode, whereby only the MySQL Server or NDBAPI\n"
" node identified by <id> is allowed to access the database. \n"
;
static const char* helpTextExitSingleUserMode =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for EXIT SINGLE USER MODE command\n"
"---------------------------------------------------------------------------\n"
"EXIT SINGLE USER MODE Exit single user mode\n\n"
"EXIT SINGLE USER MODE \n"
" Exits single-user mode, allowing all SQL nodes \n"
" (that is, all running mysqld processes) to access the database. \n"
;
static const char* helpTextStatus =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for STATUS command\n"
"---------------------------------------------------------------------------\n"
"STATUS Print status\n\n"
"<id> STATUS Displays status information for the data node <id>\n"
" or for All data nodes. \n\n"
" e.g.\n"
" ALL STATUS\n"
" 1 STATUS\n\n"
" When a node is starting, the start phase will be\n"
" listed.\n\n"
" Start Phase Meaning\n"
" 1 Clear the cluster file system(ndb_<id>_fs). \n"
" This stage occurs only when the --initial option \n"
" has been specified.\n"
" 2 This stage sets up Cluster connections, establishes \n"
" inter-node communications and starts Cluster heartbeats.\n"
" 3 The arbitrator node is elected.\n"
" 4 Initializes a number of internal cluster variables.\n"
" 5 For an initial start or initial node restart,\n"
" the redo log files are created.\n"
" 6 If this is an initial start, create internal system tables.\n"
" 7 Update internal variables. \n"
" 8 In a system restart, rebuild all indexes.\n"
" 9 Update internal variables. \n"
" 10 The node can be connected by APIs and can receive events.\n"
" 11 At this point,event delivery is handed over to\n"
" the node joining the cluster.\n"
"(see manual for more information)\n"
;
static const char* helpTextClusterlog =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CLUSTERLOG command\n"
"---------------------------------------------------------------------------\n"
"CLUSTERLOG Set log level for cluster log\n\n"
" <id> CLUSTERLOG {<category>=<level>}+ \n"
" Logs <category> events with priority less than \n"
" or equal to <level> in the cluster log.\n\n"
" <category> can be any one of the following values:\n"
" STARTUP, SHUTDOWN, STATISTICS, CHECKPOINT, NODERESTART,\n"
" CONNECTION, ERROR, INFO, CONGESTION, DEBUG, or BACKUP. \n\n"
" <level> is represented by one of the numbers \n"
" from 1 to 15 inclusive, where 1 indicates 'most important' \n"
" and 15 'least important'.\n\n"
" <severity > can be any one of the following values:\n"
" ALERT, CRITICAL, ERROR, WARNING, INFO, DEBUG.\n"
;
static const char* helpTextPurgeStaleSessions =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for PURGE STALE SESSIONS command\n"
"---------------------------------------------------------------------------\n"
"PURGE STALE SESSIONS Reset reserved nodeid's in the mgmt server\n\n"
"PURGE STALE SESSIONS \n"
" Running this statement forces all reserved \n"
" node IDs to be checked; any that are not \n"
" being used by nodes acutally connected to \n"
" the cluster are then freed.\n\n"
" This command is not normally needed, but may be\n"
" required in some situations where failed nodes \n"
" cannot rejoin the cluster due to failing to\n"
" allocate a node id.\n"
;
static const char* helpTextConnect =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for CONNECT command\n"
"---------------------------------------------------------------------------\n"
"CONNECT Connect to management server (reconnect if already connected)\n\n"
"CONNECT [<connectstring>] \n"
" Connect to management server.\n"
" The optional parameter connectstring specifies the \n"
" connect string to user.\n\n"
" A connect string may be:\n"
" mgm-server\n"
" mgm-server:port\n"
" mgm1:port,mgm2:port\n"
" With multiple management servers comma separated.\n"
" The management client with try to connect to the \n"
" management servers in the order they are listed.\n\n"
" If no connect string is specified, the default \n"
" is used. \n"
;
static const char* helpTextQuit =
"---------------------------------------------------------------------------\n"
" NDB Cluster -- Management Client -- Help for QUIT command\n"
"---------------------------------------------------------------------------\n"
"QUIT Quit management client\n\n"
"QUIT Terminates the management client. \n"
;
#ifdef HAVE_GLOBAL_REPLICATION
static const char* helpTextRep =
"---------------------------------------------------------------------------\n"
......@@ -370,6 +652,44 @@ static const char* helpTextDebug =
;
#endif
struct {
const char *cmd;
const char * help;
}help_items[]={
{"SHOW", helpTextShow},
{"HELP", helpTextHelp},
{"BACKUP", helpTextBackup},
{"START BACKUP", helpTextStartBackup},
{"START BACKUP NOWAIT", helpTextStartBackup},
{"START BACKUP WAIT STARTED", helpTextStartBackup},
{"START BACKUP WAIT", helpTextStartBackup},
{"START BACKUP WAIT COMPLETED", helpTextStartBackup},
{"ABORT BACKUP", helpTextAbortBackup},
{"SHUTDOWN", helpTextShutdown},
{"CLUSTERLOG ON", helpTextClusterlogOn},
{"CLUSTERLOG OFF", helpTextClusterlogOff},
{"CLUSTERLOG TOGGLE", helpTextClusterlogToggle},
{"CLUSTERLOG INFO", helpTextClusterlogInfo},
{"START", helpTextStart},
{"RESTART", helpTextRestart},
{"STOP", helpTextStop},
{"ENTER SINGLE USER MODE", helpTextEnterSingleUserMode},
{"EXIT SINGLE USER MODE", helpTextExitSingleUserMode},
{"STATUS", helpTextStatus},
{"CLUSTERLOG", helpTextClusterlog},
{"PURGE STALE SESSIONS", helpTextPurgeStaleSessions},
{"CONNECT", helpTextConnect},
{"QUIT", helpTextQuit},
#ifdef HAVE_GLOBAL_REPLICATION
{"REPLICATION", helpTextRep},
{"REP", helpTextRep},
#endif // HAVE_GLOBAL_REPLICATION
#ifdef VM_TRACE // DEBUG ONLY
{"DEBUG", helpTextDebug},
#endif //VM_TRACE
{NULL, NULL}
};
static bool
convert(const char* s, int& val) {
......@@ -1045,19 +1365,19 @@ CommandInterpreter::executeHelp(char* parameters)
ndbout << "<level> = " << "0 - 15" << endl;
ndbout << "<id> = " << "ALL | Any database node id" << endl;
ndbout << endl;
} else if (strcasecmp(parameters, "SHOW") == 0) {
ndbout << helpTextShow;
#ifdef HAVE_GLOBAL_REPLICATION
} else if (strcasecmp(parameters, "REPLICATION") == 0 ||
strcasecmp(parameters, "REP") == 0) {
ndbout << helpTextRep;
#endif // HAVE_GLOBAL_REPLICATION
#ifdef VM_TRACE // DEBUG ONLY
} else if (strcasecmp(parameters, "DEBUG") == 0) {
ndbout << helpTextDebug;
#endif
ndbout << "For detailed help on COMMAND, use HELP COMMAND." << endl;
} else {
invalid_command(parameters);
int i = 0;
for (i = 0; help_items[i].cmd != NULL; i++)
{
if (strcasecmp(parameters, help_items[i].cmd) == 0)
{
ndbout << help_items[i].help;
break;
}
}
if (help_items[i].cmd == NULL)
ndbout << "No help for " << parameters << " available" << endl;
}
}
......
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