server_replication.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @version $Id$
   6  * @package phpMyAdmin
   7  */
   8
   9 /**
  10  *
  11  */
  12 require_once './libraries/common.inc.php';
  13
  14 /**
  15  * Does the common work
  16  */
  17 $GLOBALS['js_include'][] = 'server_privileges.js';
  18 $GLOBALS['js_include'][] = 'functions.js';
  19 $GLOBALS['js_include'][] = 'replication.js';
  20
  21 require './libraries/server_common.inc.php';
  22 require './libraries/replication.inc.php';
  23 require './libraries/replication_gui.lib.php';
  24 require_once './libraries/server_synchronize.lib.php';
  25
  26 /**
  27  * Checks if the user is allowed to do what he tries to...
  28  */
  29 if (! $is_superuser) {
  30     require './libraries/server_links.inc.php';
  31     echo '<h2>' . "\n"
  32         . PMA_getIcon('s_replication.png')
  33         . $GLOBALS['strReplication'] . "\n"
  34         . '</h2>' . "\n";
  35     PMA_Message::error('strNoPrivileges')->display();
  36     require_once './libraries/footer.inc.php';
  37 }
  38
  39 /**
  40  * Handling control requests
  41  */
  42 if (isset($GLOBALS['sr_take_action'])) {
  43     $refresh = false;
  44     if (isset($GLOBALS['slave_changemaster'])) {
  45         $_SESSION['replication']['m_username'] = $sr['username'] = PMA_sqlAddslashes($GLOBALS['username']);
  46         $_SESSION['replication']['m_password'] = $sr['pma_pw']   = PMA_sqlAddslashes($GLOBALS['pma_pw']);
  47         $_SESSION['replication']['m_hostname'] = $sr['hostname'] = PMA_sqlAddslashes($GLOBALS['hostname']);
  48         $_SESSION['replication']['m_port']     = $sr['port']     = PMA_sqlAddslashes($GLOBALS['port']);
  49         $_SESSION['replication']['m_correct']  = '';
  50         $_SESSION['replication']['sr_action_status'] = 'error';
  51         $_SESSION['replication']['sr_action_info'] = __('Unknown error');
  52
  53         // Attempt to connect to the new master server
  54         $link_to_master = PMA_replication_connect_to_master($sr['username'], $sr['pma_pw'], $sr['hostname'], $sr['port']);
  55
  56         if (! $link_to_master) {
  57             $_SESSION['replication']['sr_action_status'] = 'error';
  58             $_SESSION['replication']['sr_action_info'] = sprintf($GLOBALS['strReplicationErrorMasterConnect'], $sr['hostname']);
  59         } else {
  60             // Read the current master position
  61             $position = PMA_replication_slave_bin_log_master($link_to_master);
  62
  63             if (empty($position)) {
  64                 $_SESSION['replication']['sr_action_status'] = 'error';
  65                 $_SESSION['replication']['sr_action_info'] = $GLOBALS['strReplicationErrorGetPosition'];
  66             } else {
  67                 $_SESSION['replication']['m_correct']  = true;
  68
  69                 if (! PMA_replication_slave_change_master($sr['username'], $sr['pma_pw'], $sr['hostname'], $sr['port'], $position, true, false)) {
  70                     $_SESSION['replication']['sr_action_status'] = 'error';
  71                     $_SESSION['replication']['sr_action_info'] = $GLOBALS['strReplicationUnableToChange'];
  72                 } else {
  73                     $_SESSION['replication']['sr_action_status'] = 'success';
  74                     $_SESSION['replication']['sr_action_info'] = sprintf($GLOBALS['strReplicationChangedSuccesfully'], $sr['hostname']);
  75                 }
  76             }
  77         }
  78     } elseif (isset($GLOBALS['sr_slave_server_control'])) {
  79         if ($GLOBALS['sr_slave_action'] == 'reset') {
  80             PMA_replication_slave_control("STOP");
  81             PMA_DBI_try_query("RESET SLAVE;");
  82             PMA_replication_slave_control("START");
  83         } else {
  84             PMA_replication_slave_control($GLOBALS['sr_slave_action'], $GLOBALS['sr_slave_control_parm']);
  85         }
  86         $refresh = true;
  87
  88     } elseif (isset($GLOBALS['sr_slave_skip_error'])) {
  89         $count = 1;
  90         if (isset($GLOBALS['sr_skip_errors_count'])) {
  91             $count = $GLOBALS['sr_skip_errors_count'] * 1;
  92         }
  93         PMA_replication_slave_control("STOP");
  94         PMA_DBI_try_query("SET GLOBAL SQL_SLAVE_SKIP_COUNTER = ".$count.";");
  95         PMA_replication_slave_control("START");
  96
  97     } elseif (isset($GLOBALS['sl_sync'])) {
  98         // TODO username, host and port could be read from 'show slave status',
  99         // when asked for a password this might work in more situations then just after changing master (where the master password is stored in session)
 100         $src_link = PMA_replication_connect_to_master($_SESSION['replication']['m_username'], $_SESSION['replication']['m_password'], $_SESSION['replication']['m_hostname'], $_SESSION['replication']['m_port']);
 101         $trg_link = null; // using null to indicate the current PMA server
 102
 103         $data = PMA_DBI_fetch_result('SHOW MASTER STATUS', null, null, $src_link); // let's find out, which databases are replicated
 104
 105         $do_db     = array();
 106         $ignore_db = array();
 107         $dblist    = array();
 108
 109         if (! empty($data[0]['Binlog_Do_DB'])) {
 110             $do_db     = explode(',', $data[0]['Binlog_Do_DB']);
 111         }
 112         if (! empty($data[0]['Binlog_Ignore_DB'])) {
 113             $ignore_db = explode(',', $data[0]['Binlog_Ignore_DB']);
 114         }
 115
 116         $tmp_alldbs = PMA_DBI_query('SHOW DATABASES;', $src_link);
 117         while ($tmp_row = PMA_DBI_fetch_row($tmp_alldbs)) {
 118             if ($tmp_row[0] == 'information_schema') {
 119                 continue;
 120             }
 121             if (count($do_db) == 0) {
 122                 if (array_search($tmp_row[0], $ignore_db) !== false) {
 123                     continue;
 124                 }
 125                 $dblist[] = $tmp_row[0];
 126
 127                 PMA_DBI_query('CREATE DATABASE IF NOT EXISTS '.$tmp_row[0], $trg_link);
 128             } else {
 129                 if (array_search($tmp_row[0], $do_db) !== false) {
 130                     $dblist[] = $tmp_row[0];
 131                     PMA_DBI_query('CREATE DATABASE IF NOT EXISTS '.$tmp_row[0], $trg_link);
 132                 }
 133             }
 134         } // end while
 135
 136         unset($do_db, $ignore_db, $data);
 137
 138         if (isset($GLOBALS['repl_data'])) {
 139             $include_data = true;
 140         } else {
 141             $include_data = false;
 142         }
 143         foreach ($dblist as $db) {
 144             PMA_replication_synchronize_db($db, $src_link, $trg_link, $include_data);
 145         }
 146         // TODO some form of user feedback error/success would be nice
 147         //  What happens if $dblist is empty?
 148         //  or sync failed?
 149     }
 150
 151     if ($refresh) {
 152         Header("Location: ". PMA_generate_common_url($GLOBALS['url_params']));
 153     }
 154     unset($refresh);
 155 }
 156 /**
 157  * Displays the links
 158  */
 159 require './libraries/server_links.inc.php';
 160
 161 echo '<div id="replication">';
 162 echo ' <h2>';
 163 echo '   <img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 's_replication.png"  width="16" height="16" alt="" />';
 164 echo     $GLOBALS['strReplication'];
 165 echo ' </h2>';
 166
 167 // Display error messages
 168 if (isset($_SESSION['replication']['sr_action_status']) && isset($_SESSION['replication']['sr_action_info'])) {
 169     if ($_SESSION['replication']['sr_action_status'] == 'error') {
 170         PMA_Message::error($_SESSION['replication']['sr_action_info'])->display();
 171         $_SESSION['replication']['sr_action_status'] = 'unknown';
 172     } elseif ($_SESSION['replication']['sr_action_status'] == 'success') {
 173         PMA_Message::success($_SESSION['replication']['sr_action_info'])->display();
 174         $_SESSION['replication']['sr_action_status'] = 'unknown';
 175     }
 176 }
 177
 178 if ($server_master_status) {
 179     if (! isset($GLOBALS['repl_clear_scr'])) {
 180         echo '<fieldset>';
 181         echo '<legend>' . $GLOBALS['strReplicationMaster'] . '</legend>';
 182         echo $GLOBALS['strReplicationConfiguredMaster'];
 183         echo '<ul>';
 184         echo '  <li><a href="#" id="master_status_href">' . $GLOBALS['strReplicationShowMasterStatus'] . '</a></li>';
 185         PMA_replication_print_status_table('master', true, false);
 186
 187         echo '  <li><a href="#" id="master_slaves_href">' . $GLOBALS['strReplicationShowConnectedSlaves'] . '</a></li>';
 188         PMA_replication_print_slaves_table(true);
 189
 190         $_url_params = $GLOBALS['url_params'];
 191         $_url_params['mr_adduser'] = true;
 192         $_url_params['repl_clear_scr'] = true;
 193
 194         echo '  <li><a href="' . PMA_generate_common_url($_url_params) . '" id="master_addslaveuser_href">' . $GLOBALS['strReplicationAddSlaveUser'] . '</a></li>';
 195     }
 196
 197     // Display 'Add replication slave user' form
 198     if (isset($GLOBALS['mr_adduser'])) {
 199         PMA_replication_gui_master_addslaveuser();
 200     } elseif (! isset($GLOBALS['repl_clear_scr'])) {
 201         echo "</ul>";
 202         echo "</fieldset>";
 203     }
 204 } elseif (! isset($GLOBALS['mr_configure']) && ! isset($GLOBALS['repl_clear_scr'])) {
 205     $_url_params = $GLOBALS['url_params'];
 206     $_url_params['mr_configure'] = true;
 207
 208     echo '<fieldset>';
 209     echo '<legend>' . $GLOBALS['strReplicationMaster'] . '</legend>';
 210     echo sprintf($GLOBALS['strReplicationServernConfiguredMaster'], PMA_generate_common_url($_url_params));
 211     echo '</fieldset>';
 212 }
 213
 214 if (isset($GLOBALS['mr_configure'])) {
 215     // Render the 'Master configuration' section
 216     echo '<fieldset>';
 217     echo '<legend>' . $GLOBALS['strReplicationMasterConfiguration'] . '</legend>';
 218     echo $GLOBALS['strReplicationMasterChooseMode'] . '<br /><br />';
 219
 220     echo '<select name="db_type" id="db_type">';
 221     echo '<option value="all">' . $GLOBALS['strReplicationMasterChooseAll'] . '</option>';
 222     echo '<option value="ign">' . $GLOBALS['strReplicationMasterChooseIgn'] . '</option>';
 223     echo '</select>';
 224     echo '<br /><br />';
 225     echo $GLOBALS['strReplicationSelectDatabases'] . '<br />';
 226     echo PMA_replication_db_multibox();
 227     echo '<br /><br />';
 228     echo $GLOBALS['strReplicationAddLines'] . '<br />';
 229     echo '<pre id="rep"></pre>';
 230     echo $GLOBALS['strReplicationRestartServer'];
 231     echo '</fieldset>';
 232     echo '<fieldset class="tblFooters">';
 233     echo ' <form method="post" action="server_replication.php" >';
 234     echo PMA_generate_common_hidden_inputs('', '');
 235     echo '  <input type="submit" value="' . $GLOBALS['strGo'] . '" id="goButton" />';
 236     echo ' </form>';
 237     echo '</fieldset>';
 238
 239     require_once './libraries/footer.inc.php';
 240     exit;
 241 }
 242
 243 echo '</div>';
 244
 245 if (! isset($GLOBALS['repl_clear_scr'])) {
 246     // Render the 'Slave configuration' section
 247     echo '<fieldset>';
 248     echo '<legend>' . $GLOBALS['strReplicationSlave'] . '</legend>';
 249     if ($server_slave_status) {
 250         echo '<div id="slave_configuration_gui">';
 251
 252         $_url_params = $GLOBALS['url_params'];
 253         $_url_params['sr_take_action'] = true;
 254         $_url_params['sr_slave_server_control'] = true;
 255
 256         if ($server_slave_replication[0]['Slave_IO_Running'] == 'No') {
 257             $_url_params['sr_slave_action'] = 'start';
 258         } else {
 259             $_url_params['sr_slave_action'] = 'stop';
 260         }
 261
 262         $_url_params['sr_slave_control_parm'] = 'IO_THREAD';
 263         $slave_control_io_link = PMA_generate_common_url($_url_params);
 264
 265         if ($server_slave_replication[0]['Slave_SQL_Running'] == 'No') {
 266             $_url_params['sr_slave_action'] = 'start';
 267         } else {
 268             $_url_params['sr_slave_action'] = 'stop';
 269         }
 270
 271         $_url_params['sr_slave_control_parm'] = 'SQL_THREAD';
 272         $slave_control_sql_link = PMA_generate_common_url($_url_params);
 273
 274         if ($server_slave_replication[0]['Slave_IO_Running'] == 'No'
 275             || $server_slave_replication[0]['Slave_SQL_Running'] == 'No'
 276         ) {
 277             $_url_params['sr_slave_action'] = 'start';
 278         } else {
 279             $_url_params['sr_slave_action'] = 'stop';
 280         }
 281
 282         $_url_params['sr_slave_control_parm'] = null;
 283         $slave_control_full_link = PMA_generate_common_url($_url_params);
 284
 285         $_url_params['sr_slave_action'] = 'reset';
 286         $slave_control_reset_link = PMA_generate_common_url($_url_params);
 287
 288         $_url_params = $GLOBALS['url_params'];
 289         $_url_params['sr_slave_skip_error'] = true;
 290         $slave_skip_error_link = PMA_generate_common_url($_url_params);
 291
 292         if ($server_slave_replication[0]['Slave_SQL_Running'] == 'No') {
 293             PMA_Message::warning('strReplicationSlaveSQLThreadNotRunning')->display();
 294         }
 295         if ($server_slave_replication[0]['Slave_IO_Running'] == 'No') {
 296             PMA_Message::warning('strReplicationSlaveIOThreadNotRunning')->display();
 297         }
 298
 299         $_url_params = $GLOBALS['url_params'];
 300         $_url_params['sl_configure'] = true;
 301         $_url_params['repl_clear_scr'] = true;
 302
 303         $reconfiguremaster_link = PMA_generate_common_url($_url_params);
 304
 305         echo $GLOBALS['strReplicationSlaveConfigured'];
 306         echo '<br />';
 307         echo '<ul>';
 308         echo ' <li><a href="#" id="slave_status_href">' . $GLOBALS['strReplicationSlaveSeeStatus'] . '</a></li>';
 309         echo PMA_replication_print_status_table('slave', true, false);
 310         if (isset($_SESSION['replication']['m_correct']) && $_SESSION['replication']['m_correct'] == true) {
 311             echo ' <li><a href="#" id="slave_synchronization_href">' . $GLOBALS['strReplicationSynchronize'] . '</a></li>';
 312             echo ' <div id="slave_synchronization_gui" style="display: none">';
 313             echo '  <form method="post" action="server_replication.php">';
 314             echo PMA_generate_common_hidden_inputs('', '');
 315             echo '   <input type="checkbox" name="repl_struc" value="1" checked="checked" disabled="disabled" /> ' . $GLOBALS['strStructure'] . '<br />'; // this is just for vizualization, it has no other purpose
 316             echo '   <input type="checkbox" name="repl_data"  value="1" checked="checked" /> ' . $GLOBALS['strData'] .' <br />';
 317             echo '   <input type="hidden" name="sr_take_action" value="1" />';
 318             echo '   <input type="submit" name="sl_sync" value="' . $GLOBALS['strGo'] . '" />';
 319             echo '  </form>';
 320             echo ' </div>';
 321         }
 322         echo ' <li><a href="#" id="slave_control_href">' . $GLOBALS['strReplicationControlSlave'] . '</a>';
 323         echo ' <div id="slave_control_gui" style="display: none">';
 324         echo '  <ul>';
 325         echo '   <li><a href="'. $slave_control_full_link . '">' . (($server_slave_replication[0]['Slave_IO_Running'] == 'No' || $server_slave_replication[0]['Slave_SQL_Running'] == 'No') ? $GLOBALS['strFullStart'] : $GLOBALS['strFullStop']) . ' </a></li>';
 326         echo '   <li><a href="'. $slave_control_reset_link . '">' . $GLOBALS['strReplicationSlaveReset'] . '</a></li>';
 327         echo '   <li><a href="' . $slave_control_sql_link . '">' . sprintf($GLOBALS['strReplicationSlaveSQLThread'], ($server_slave_replication[0]['Slave_SQL_Running'] == 'No' ? $GLOBALS['strStart'] : $GLOBALS['strStop'])) . '</a></li>';
 328         echo '   <li><a href="' . $slave_control_io_link . '">' . sprintf($GLOBALS['strReplicationSlaveIOThread'], ($server_slave_replication[0]['Slave_IO_Running'] == 'No' ? $GLOBALS['strStart'] : $GLOBALS['strStop'])) . '</a></li>';
 329         echo '  </ul>';
 330         echo ' </div>';
 331         echo ' </li>';
 332         echo ' <li><a href="#" id="slave_errormanagement_href">' . $GLOBALS['strReplicationSlaveErrorManagement'] . '</a>';
 333         echo ' <div id="slave_errormanagement_gui" style="display: none">';
 334         PMA_Message::warning($GLOBALS['strReplicationSkippingErrorWarn'])->display();
 335         echo '  <ul>';
 336         echo '   <li><a href="' . $slave_skip_error_link . '">' . $GLOBALS['strReplicationSlaveSkipCurrentError'] . '</a></li>';
 337         echo '   <li>' . $GLOBALS['strReplicationSlaveSkipNext'];
 338         echo '    <form method="post" action="server_replication.php">';
 339         echo PMA_generate_common_hidden_inputs('', '');
 340         echo '      <input type="text" name="sr_skip_errors_count" value="1" style="width: 30px" />' . $GLOBALS['strReplicationSlaveSkipNextErrors'];
 341         echo '              <input type="submit" name="sr_slave_skip_error" value="' . $GLOBALS['strGo'] . '" />';
 342         echo '      <input type="hidden" name="sr_take_action" value="1" />';
 343         echo '    </form></li>';
 344         echo '  </ul>';
 345         echo ' </div>';
 346         echo ' </li>';
 347         echo ' <li><a href="' . $reconfiguremaster_link . '">' . $GLOBALS['strReplicationSlaveChangeMaster'] . '</a></li>';
 348         echo '</ul>';
 349
 350     } elseif (! isset($GLOBALS['sl_configure'])) {
 351         $_url_params = $GLOBALS['url_params'];
 352         $_url_params['sl_configure'] = true;
 353         $_url_params['repl_clear_scr'] = true;
 354
 355         echo sprintf($GLOBALS['strReplicationSlaveNotConfigured'], PMA_generate_common_url($_url_params));
 356     }
 357     echo '</div>';
 358     echo '</fieldset>';
 359 }
 360 if (isset($GLOBALS['sl_configure'])) {
 361     PMA_replication_gui_changemaster("slave_changemaster");
 362 }
 363 require_once './libraries/footer.inc.php';
 364 ?>