radosgw-admin: use cout not cerr to print help message.

everytime I print radosgw-admin help message, it's too long, and I wanna add | more,
but the help message prints to cerr, so I can only add 2>&1 again, so I think it's
so inconvenient.

Signed-off-by: shawn chen <cxwshawn@gmail.com>

diff --git a/src/rgw/rgw_admin.cc b/src/rgw/rgw_admin.cc
index b6fdd1ccca627ebd422ff2faf2a8de12d75b555d..2152769bfd098c0bfdb9bb24a7551b31433c7afa 100644 (file)
--- a/src/rgw/rgw_admin.cc
+++ b/src/rgw/rgw_admin.cc
@@ -41,137 +41,137 @@ static RGWRados *store = NULL;
 
 void _usage() 
 {
-  cerr << "usage: radosgw-admin <cmd> [options...]" << std::endl;
-  cerr << "commands:\n";
-  cerr << "  user create                create a new user\n" ;
-  cerr << "  user modify                modify user\n";
-  cerr << "  user info                  get user info\n";
-  cerr << "  user rm                    remove user\n";
-  cerr << "  user suspend               suspend a user\n";
-  cerr << "  user enable                re-enable user after suspension\n";
-  cerr << "  user check                 check user info\n";
-  cerr << "  user stats                 show user stats as accounted by quota subsystem\n";
-  cerr << "  caps add                   add user capabilities\n";
-  cerr << "  caps rm                    remove user capabilities\n";
-  cerr << "  subuser create             create a new subuser\n" ;
-  cerr << "  subuser modify             modify subuser\n";
-  cerr << "  subuser rm                 remove subuser\n";
-  cerr << "  key create                 create access key\n";
-  cerr << "  key rm                     remove access key\n";
-  cerr << "  bucket list                list buckets\n";
-  cerr << "  bucket link                link bucket to specified user\n";
-  cerr << "  bucket unlink              unlink bucket from specified user\n";
-  cerr << "  bucket stats               returns bucket statistics\n";
-  cerr << "  bucket rm                  remove bucket\n";
-  cerr << "  bucket check               check bucket index\n";
-  cerr << "  object rm                  remove object\n";
-  cerr << "  object unlink              unlink object from bucket index\n";
-  cerr << "  quota set                  set quota params\n";
-  cerr << "  quota enable               enable quota\n";
-  cerr << "  quota disable              disable quota\n";
-  cerr << "  region get                 show region info\n";
-  cerr << "  regions list               list all regions set on this cluster\n";
-  cerr << "  region set                 set region info (requires infile)\n";
-  cerr << "  region default             set default region\n";
-  cerr << "  region-map get             show region-map\n";
-  cerr << "  region-map set             set region-map (requires infile)\n";
-  cerr << "  zone get                   show zone cluster params\n";
-  cerr << "  zone set                   set zone cluster params (requires infile)\n";
-  cerr << "  zone list                  list all zones set on this cluster\n";
-  cerr << "  pool add                   add an existing pool for data placement\n";
-  cerr << "  pool rm                    remove an existing pool from data placement set\n";
-  cerr << "  pools list                 list placement active set\n";
-  cerr << "  policy                     read bucket/object policy\n";
-  cerr << "  log list                   list log objects\n";
-  cerr << "  log show                   dump a log from specific object or (bucket + date\n";
-  cerr << "                             + bucket-id)\n";
-  cerr << "  log rm                     remove log object\n";
-  cerr << "  usage show                 show usage (by user, date range)\n";
-  cerr << "  usage trim                 trim usage (by user, date range)\n";
-  cerr << "  temp remove                remove temporary objects that were created up to\n";
-  cerr << "                             specified date (and optional time)\n";
-  cerr << "  gc list                    dump expired garbage collection objects (specify\n";
-  cerr << "                             --include-all to list all entries, including unexpired)\n";
-  cerr << "  gc process                 manually process garbage\n";
-  cerr << "  metadata get               get metadata info\n";
-  cerr << "  metadata put               put metadata info\n";
-  cerr << "  metadata rm                remove metadata info\n";
-  cerr << "  metadata list              list metadata info\n";
-  cerr << "  mdlog list                 list metadata log\n";
-  cerr << "  mdlog trim                 trim metadata log\n";
-  cerr << "  bilog list                 list bucket index log\n";
-  cerr << "  bilog trim                 trim bucket index log (use start-marker, end-marker)\n";
-  cerr << "  datalog list               list data log\n";
-  cerr << "  datalog trim               trim data log\n";
-  cerr << "  opstate list               list stateful operations entries (use client_id,\n";
-  cerr << "                             op_id, object)\n";
-  cerr << "  opstate set                set state on an entry (use client_id, op_id, object, state)\n";
-  cerr << "  opstate renew              renew state on an entry (use client_id, op_id, object)\n";
-  cerr << "  opstate rm                 remove entry (use client_id, op_id, object)\n";
-  cerr << "  replicalog get             get replica metadata log entry\n";
-  cerr << "  replicalog update          update replica metadata log entry\n";
-  cerr << "  replicalog delete          delete replica metadata log entry\n";
-  cerr << "options:\n";
-  cerr << "   --uid=<id>                user id\n";
-  cerr << "   --subuser=<name>          subuser name\n";
-  cerr << "   --access-key=<key>        S3 access key\n";
-  cerr << "   --email=<email>\n";
-  cerr << "   --secret=<key>            specify secret key\n";
-  cerr << "   --gen-access-key          generate random access key (for S3)\n";
-  cerr << "   --gen-secret              generate random secret key\n";
-  cerr << "   --key-type=<type>         key type, options are: swift, s3\n";
-  cerr << "   --temp-url-key[-2]=<key>  temp url key\n";
-  cerr << "   --access=<access>         Set access permissions for sub-user, should be one\n";
-  cerr << "                             of read, write, readwrite, full\n";
-  cerr << "   --display-name=<name>\n";
-  cerr << "   --system                  set the system flag on the user\n";
-  cerr << "   --bucket=<bucket>\n";
-  cerr << "   --pool=<pool>\n";
-  cerr << "   --object=<object>\n";
-  cerr << "   --date=<date>\n";
-  cerr << "   --start-date=<date>\n";
-  cerr << "   --end-date=<date>\n";
-  cerr << "   --bucket-id=<bucket-id>\n";
-  cerr << "   --shard-id=<shard-id>     optional for mdlog list\n";
-  cerr << "                             required for: \n";
-  cerr << "                               mdlog trim\n";
-  cerr << "                               replica mdlog get/delete\n";
-  cerr << "                               replica datalog get/delete\n";
-  cerr << "   --metadata-key=<key>      key to retrieve metadata from with metadata get\n";
-  cerr << "   --rgw-region=<region>     region in which radosgw is running\n";
-  cerr << "   --rgw-zone=<zone>         zone in which radosgw is running\n";
-  cerr << "   --fix                     besides checking bucket index, will also fix it\n";
-  cerr << "   --check-objects           bucket check: rebuilds bucket index according to\n";
-  cerr << "                             actual objects state\n";
-  cerr << "   --format=<format>         specify output format for certain operations: xml,\n";
-  cerr << "                             json\n";
-  cerr << "   --purge-data              when specified, user removal will also purge all the\n";
-  cerr << "                             user data\n";
-  cerr << "   --purge-keys              when specified, subuser removal will also purge all the\n";
-  cerr << "                             subuser keys\n";
-  cerr << "   --purge-objects           remove a bucket's objects before deleting it\n";
-  cerr << "                             (NOTE: required to delete a non-empty bucket)\n";
-  cerr << "   --sync-stats              option to 'user stats', update user stats with current\n";
-  cerr << "                             stats reported by user's buckets indexes\n";
-  cerr << "   --show-log-entries=<flag> enable/disable dump of log entries on log show\n";
-  cerr << "   --show-log-sum=<flag>     enable/disable dump of log summation on log show\n";
-  cerr << "   --skip-zero-entries       log show only dumps entries that don't have zero value\n";
-  cerr << "                             in one of the numeric field\n";
-  cerr << "   --infile                  specify a file to read in when setting data\n";
-  cerr << "   --state=<state string>    specify a state for the opstate set command\n";
-  cerr << "   --replica-log-type        replica log type (metadata, data, bucket), required for\n";
-  cerr << "                             replica log operations\n";
-  cerr << "   --categories=<list>       comma separated list of categories, used in usage show\n";
-  cerr << "   --caps=<caps>             list of caps (e.g., \"usage=read, write; user=read\"\n";
-  cerr << "   --yes-i-really-mean-it    required for certain operations\n";
-  cerr << "\n";
-  cerr << "<date> := \"YYYY-MM-DD[ hh:mm:ss]\"\n";
-  cerr << "\nQuota options:\n";
-  cerr << "   --bucket                  specified bucket for quota command\n";
-  cerr << "   --max-objects             specify max objects (negative value to disable)\n";
-  cerr << "   --max-size                specify max size (in bytes, negative value to disable)\n";
-  cerr << "   --quota-scope             scope of quota (bucket, user)\n";
-  cerr << "\n";
+  cout << "usage: radosgw-admin <cmd> [options...]" << std::endl;
+  cout << "commands:\n";
+  cout << "  user create                create a new user\n" ;
+  cout << "  user modify                modify user\n";
+  cout << "  user info                  get user info\n";
+  cout << "  user rm                    remove user\n";
+  cout << "  user suspend               suspend a user\n";
+  cout << "  user enable                re-enable user after suspension\n";
+  cout << "  user check                 check user info\n";
+  cout << "  user stats                 show user stats as accounted by quota subsystem\n";
+  cout << "  caps add                   add user capabilities\n";
+  cout << "  caps rm                    remove user capabilities\n";
+  cout << "  subuser create             create a new subuser\n" ;
+  cout << "  subuser modify             modify subuser\n";
+  cout << "  subuser rm                 remove subuser\n";
+  cout << "  key create                 create access key\n";
+  cout << "  key rm                     remove access key\n";
+  cout << "  bucket list                list buckets\n";
+  cout << "  bucket link                link bucket to specified user\n";
+  cout << "  bucket unlink              unlink bucket from specified user\n";
+  cout << "  bucket stats               returns bucket statistics\n";
+  cout << "  bucket rm                  remove bucket\n";
+  cout << "  bucket check               check bucket index\n";
+  cout << "  object rm                  remove object\n";
+  cout << "  object unlink              unlink object from bucket index\n";
+  cout << "  quota set                  set quota params\n";
+  cout << "  quota enable               enable quota\n";
+  cout << "  quota disable              disable quota\n";
+  cout << "  region get                 show region info\n";
+  cout << "  regions list               list all regions set on this cluster\n";
+  cout << "  region set                 set region info (requires infile)\n";
+  cout << "  region default             set default region\n";
+  cout << "  region-map get             show region-map\n";
+  cout << "  region-map set             set region-map (requires infile)\n";
+  cout << "  zone get                   show zone cluster params\n";
+  cout << "  zone set                   set zone cluster params (requires infile)\n";
+  cout << "  zone list                  list all zones set on this cluster\n";
+  cout << "  pool add                   add an existing pool for data placement\n";
+  cout << "  pool rm                    remove an existing pool from data placement set\n";
+  cout << "  pools list                 list placement active set\n";
+  cout << "  policy                     read bucket/object policy\n";
+  cout << "  log list                   list log objects\n";
+  cout << "  log show                   dump a log from specific object or (bucket + date\n";
+  cout << "                             + bucket-id)\n";
+  cout << "  log rm                     remove log object\n";
+  cout << "  usage show                 show usage (by user, date range)\n";
+  cout << "  usage trim                 trim usage (by user, date range)\n";
+  cout << "  temp remove                remove temporary objects that were created up to\n";
+  cout << "                             specified date (and optional time)\n";
+  cout << "  gc list                    dump expired garbage collection objects (specify\n";
+  cout << "                             --include-all to list all entries, including unexpired)\n";
+  cout << "  gc process                 manually process garbage\n";
+  cout << "  metadata get               get metadata info\n";
+  cout << "  metadata put               put metadata info\n";
+  cout << "  metadata rm                remove metadata info\n";
+  cout << "  metadata list              list metadata info\n";
+  cout << "  mdlog list                 list metadata log\n";
+  cout << "  mdlog trim                 trim metadata log\n";
+  cout << "  bilog list                 list bucket index log\n";
+  cout << "  bilog trim                 trim bucket index log (use start-marker, end-marker)\n";
+  cout << "  datalog list               list data log\n";
+  cout << "  datalog trim               trim data log\n";
+  cout << "  opstate list               list stateful operations entries (use client_id,\n";
+  cout << "                             op_id, object)\n";
+  cout << "  opstate set                set state on an entry (use client_id, op_id, object, state)\n";
+  cout << "  opstate renew              renew state on an entry (use client_id, op_id, object)\n";
+  cout << "  opstate rm                 remove entry (use client_id, op_id, object)\n";
+  cout << "  replicalog get             get replica metadata log entry\n";
+  cout << "  replicalog update          update replica metadata log entry\n";
+  cout << "  replicalog delete          delete replica metadata log entry\n";
+  cout << "options:\n";
+  cout << "   --uid=<id>                user id\n";
+  cout << "   --subuser=<name>          subuser name\n";
+  cout << "   --access-key=<key>        S3 access key\n";
+  cout << "   --email=<email>\n";
+  cout << "   --secret=<key>            specify secret key\n";
+  cout << "   --gen-access-key          generate random access key (for S3)\n";
+  cout << "   --gen-secret              generate random secret key\n";
+  cout << "   --key-type=<type>         key type, options are: swift, s3\n";
+  cout << "   --temp-url-key[-2]=<key>  temp url key\n";
+  cout << "   --access=<access>         Set access permissions for sub-user, should be one\n";
+  cout << "                             of read, write, readwrite, full\n";
+  cout << "   --display-name=<name>\n";
+  cout << "   --system                  set the system flag on the user\n";
+  cout << "   --bucket=<bucket>\n";
+  cout << "   --pool=<pool>\n";
+  cout << "   --object=<object>\n";
+  cout << "   --date=<date>\n";
+  cout << "   --start-date=<date>\n";
+  cout << "   --end-date=<date>\n";
+  cout << "   --bucket-id=<bucket-id>\n";
+  cout << "   --shard-id=<shard-id>     optional for mdlog list\n";
+  cout << "                             required for: \n";
+  cout << "                               mdlog trim\n";
+  cout << "                               replica mdlog get/delete\n";
+  cout << "                               replica datalog get/delete\n";
+  cout << "   --metadata-key=<key>      key to retrieve metadata from with metadata get\n";
+  cout << "   --rgw-region=<region>     region in which radosgw is running\n";
+  cout << "   --rgw-zone=<zone>         zone in which radosgw is running\n";
+  cout << "   --fix                     besides checking bucket index, will also fix it\n";
+  cout << "   --check-objects           bucket check: rebuilds bucket index according to\n";
+  cout << "                             actual objects state\n";
+  cout << "   --format=<format>         specify output format for certain operations: xml,\n";
+  cout << "                             json\n";
+  cout << "   --purge-data              when specified, user removal will also purge all the\n";
+  cout << "                             user data\n";
+  cout << "   --purge-keys              when specified, subuser removal will also purge all the\n";
+  cout << "                             subuser keys\n";
+  cout << "   --purge-objects           remove a bucket's objects before deleting it\n";
+  cout << "                             (NOTE: required to delete a non-empty bucket)\n";
+  cout << "   --sync-stats              option to 'user stats', update user stats with current\n";
+  cout << "                             stats reported by user's buckets indexes\n";
+  cout << "   --show-log-entries=<flag> enable/disable dump of log entries on log show\n";
+  cout << "   --show-log-sum=<flag>     enable/disable dump of log summation on log show\n";
+  cout << "   --skip-zero-entries       log show only dumps entries that don't have zero value\n";
+  cout << "                             in one of the numeric field\n";
+  cout << "   --infile                  specify a file to read in when setting data\n";
+  cout << "   --state=<state string>    specify a state for the opstate set command\n";
+  cout << "   --replica-log-type        replica log type (metadata, data, bucket), required for\n";
+  cout << "                             replica log operations\n";
+  cout << "   --categories=<list>       comma separated list of categories, used in usage show\n";
+  cout << "   --caps=<caps>             list of caps (e.g., \"usage=read, write; user=read\"\n";
+  cout << "   --yes-i-really-mean-it    required for certain operations\n";
+  cout << "\n";
+  cout << "<date> := \"YYYY-MM-DD[ hh:mm:ss]\"\n";
+  cout << "\nQuota options:\n";
+  cout << "   --bucket                  specified bucket for quota command\n";
+  cout << "   --max-objects             specify max objects (negative value to disable)\n";
+  cout << "   --max-size                specify max size (in bytes, negative value to disable)\n";
+  cout << "   --quota-scope             scope of quota (bucket, user)\n";
+  cout << "\n";
   generic_client_usage();
 }