function resolve8021QConflicts()
{
global $sic, $dbxlink;
assertUIntArg('mutex_rev', TRUE);
// counts from 0
assertUIntArg('nrows');
// Divide submitted radio buttons into 3 groups:
// left (saved version wins)
// asis (ignore)
// right (running version wins)
$F = array();
for ($i = 0; $i < $sic['nrows']; $i++) {
if (!array_key_exists("i_{$i}", $sic)) {
continue;
}
// let's hope other inputs are in place
switch ($sic["i_{$i}"]) {
case 'left':
case 'right':
$F[$sic["pn_{$i}"]] = array('mode' => $sic["rm_{$i}"], 'allowed' => array_fetch($sic, "ra_{$i}", array()), 'native' => $sic["rn_{$i}"], 'decision' => $sic["i_{$i}"]);
break;
default:
// don't care
}
}
$dbxlink->beginTransaction();
try {
if (NULL === ($vswitch = getVLANSwitchInfo($sic['object_id'], 'FOR UPDATE'))) {
throw new InvalidArgException('object_id', $sic['object_id'], 'VLAN domain is not set for this object');
}
if ($vswitch['mutex_rev'] != $sic['mutex_rev']) {
throw new InvalidRequestArgException('mutex_rev', $sic['mutex_rev'], 'expired form (table data has changed)');
}
$D = getStored8021QConfig($vswitch['object_id'], 'desired');
$C = getStored8021QConfig($vswitch['object_id'], 'cached');
$R = getRunning8021QConfig($vswitch['object_id']);
$plan = get8021QSyncOptions($vswitch, $D, $C, $R['portdata']);
$ndone = 0;
foreach ($F as $port_name => $port) {
if (!array_key_exists($port_name, $plan)) {
continue;
} elseif ($plan[$port_name]['status'] == 'merge_conflict') {
// for R neither mutex nor revisions can be emulated, but revision change can be
if (!same8021QConfigs($port, $R['portdata'][$port_name])) {
throw new InvalidRequestArgException("port {$port_name}", '(hidden)', 'expired form (switch data has changed)');
}
if ($port['decision'] == 'right') {
// D wins, frame R by writing value of R to C
$ndone += upd8021QPort('cached', $vswitch['object_id'], $port_name, $port);
} elseif ($port['decision'] == 'left') {
// R wins, cross D up
$ndone += upd8021QPort('cached', $vswitch['object_id'], $port_name, $D[$port_name]);
}
// otherwise there was no decision made
} elseif ($plan[$port_name]['status'] == 'delete_conflict' or $plan[$port_name]['status'] == 'martian_conflict') {
if ($port['decision'] == 'left') {
// confirm deletion of local copy
$ndone += del8021QPort($vswitch['object_id'], $port_name);
}
}
// otherwise ignore a decision that doesn't address a conflict
}
} catch (InvalidRequestArgException $e) {
$dbxlink->rollBack();
showFuncMessage(__FUNCTION__, 'ERR1');
return;
} catch (Exception $e) {
$dbxlink->rollBack();
showFuncMessage(__FUNCTION__, 'ERR2');
return;
}
$dbxlink->commit();
showFuncMessage(__FUNCTION__, 'OK', array($ndone));
}
function renderObject8021QSync($object_id)
{
$vswitch = getVLANSwitchInfo($object_id);
$object = spotEntity('object', $object_id);
amplifyCell($object);
$maxdecisions = 0;
$D = getStored8021QConfig($vswitch['object_id'], 'desired');
$C = getStored8021QConfig($vswitch['object_id'], 'cached');
try {
$R = getRunning8021QConfig($object_id);
$plan = apply8021QOrder($vswitch, get8021QSyncOptions($vswitch, $D, $C, $R['portdata']));
foreach ($plan as $port) {
if ($port['status'] == 'delete_conflict' or $port['status'] == 'merge_conflict' or $port['status'] == 'add_conflict' or $port['status'] == 'martian_conflict') {
$maxdecisions++;
}
}
} catch (RTGatewayError $re) {
$error = $re->getMessage();
$R = NULL;
}
echo '<table border=0 class=objectview cellspacing=0 cellpadding=0>';
echo '<tr><td class=pcleft width="50%">';
startPortlet('schedule');
renderObject8021QSyncSchedule($object, $vswitch, $maxdecisions);
finishPortlet();
startPortlet('preview legend');
echo '<table cellspacing=0 cellpadding=5 align=center class=widetable>';
echo '<tr><th>status</th><th width="50%">color code</th></tr>';
echo '<tr><td class=tdright>with template role:</td><td class=trbusy> </td></tr>';
echo '<tr><td class=tdright>without template role:</td><td> </td></tr>';
echo '<tr><td class=tdright>new data:</td><td class=trok> </td></tr>';
echo '<tr><td class=tdright>warnings in new data:</td><td class=trwarning> </td></tr>';
echo '<tr><td class=tdright>fatal errors in new data:</td><td class=trerror> </td></tr>';
echo '<tr><td class=tdright>deleted data:</td><td class=trnull> </td></tr>';
echo '</table>';
finishPortlet();
if (considerConfiguredConstraint($object, '8021Q_EXTSYNC_LISTSRC')) {
startPortlet('add/remove 802.1Q ports');
renderObject8021QSyncPorts($object, $D);
finishPortlet();
}
echo '</td><td class=pcright>';
startPortlet('sync plan live preview');
if ($R !== NULL) {
renderObject8021QSyncPreview($object, $vswitch, $plan, $C, $R, $maxdecisions);
} else {
echo "<p class=row_error>gateway error: {$error}</p>";
}
finishPortlet();
echo '</td></tr></table>';
}
if ($current_time < $pidfile_mtime + 15 * 60) {
exit(0);
}
print_message_line("Failed to lock {$filename}, already locked by PID " . trim(fgets($fp, 10)));
exit(1);
}
ftruncate($fp, 0);
fwrite($fp, getmypid() . "\n");
// don't close $fp yet: we need to keep an flock
}
// fetch all the needed data from DB (preparing for DB connection loss)
$switch_queue = array();
foreach ($switch_list as $object_id) {
$cell = spotEntity('object', $object_id);
$new_disabled = !considerConfiguredConstraint($cell, 'SYNC_802Q_LISTSRC');
$queue = detectVLANSwitchQueue(getVLANSwitchInfo($object_id));
if ($queue == 'disabled' xor $new_disabled) {
usePreparedExecuteBlade('UPDATE VLANSwitch SET out_of_sync="yes", last_error_ts=NOW(), last_errno=? WHERE object_id=?', array($new_disabled ? E_8021Q_SYNC_DISABLED : E_8021Q_NOERROR, $object_id));
} elseif (in_array($queue, $todo[$options['mode']])) {
$switch_queue[] = $cell;
}
}
// YOU SHOULD NOT USE DB FUNCTIONS BELOW IN THE PARENT PROCESS
// THE PARENT'S DB CONNECTION IS LOST DUE TO RECONNECTING IN THE CHILD
$fork_slots = getConfigVar('SYNCDOMAIN_MAX_PROCESSES');
$do_fork = $fork_slots > 1 and extension_loaded('pcntl');
if ($fork_slots > 1 and !$do_fork) {
throw new RackTablesError('PHP extension \'pcntl\' not found, can not use childs', RackTablesError::MISCONFIGURED);
}
$switches_working = 0;
$switchesdone = 0;
function renderObject8021QSync($object_id)
{
$vswitch = getVLANSwitchInfo($object_id);
$object = spotEntity('object', $object_id);
try {
$R = getRunning8021QConfig($object_id);
} catch (Exception $re) {
showWarning('Device configuration unavailable:<br>' . $re->getMessage());
return;
}
$D = getStored8021QConfig($vswitch['object_id'], 'desired');
$C = getStored8021QConfig($vswitch['object_id'], 'cached');
$plan = apply8021QOrder($vswitch['template_id'], get8021QSyncOptions($vswitch, $D, $C, $R['portdata']));
$maxdecisions = 0;
foreach ($plan as $port) {
if ($port['status'] == 'delete_conflict' or $port['status'] == 'merge_conflict' or $port['status'] == 'add_conflict' or $port['status'] == 'martian_conflict') {
$maxdecisions++;
}
}
if (isset($_REQUEST['hl_port_id'])) {
assertUIntArg('hl_port_id');
$hl_port_id = intval($_REQUEST['hl_port_id']);
$hl_port_name = NULL;
addAutoScrollScript("port-{$hl_port_id}");
amplifyCell($object);
foreach ($object['ports'] as $port) {
if (mb_strlen($port['name']) && $port['id'] == $hl_port_id) {
$hl_port_name = $port['name'];
break;
}
}
}
echo '<table border=0 class=objectview cellspacing=0 cellpadding=0>';
echo '<tr><td class=pcleft width="50%">';
startPortlet('schedule');
echo '<table border=0 cellspacing=0 cellpadding=3 align=center>';
// FIXME: sort rows newest event last
$rows = array();
if (!considerConfiguredConstraint($object, 'SYNC_802Q_LISTSRC')) {
$rows['auto sync'] = '<span class="trerror">disabled by operator</span>';
}
$rows['last local change'] = $vswitch['last_change'] . ' (' . $vswitch['last_change_age'] . ' ago)';
$rows['device out of sync'] = $vswitch['out_of_sync'];
if ($vswitch['out_of_sync'] == 'no') {
$rows['last sync session with device'] = $vswitch['last_push_finished'] . ' (' . $vswitch['last_push_age'] . ' ago, lasted ' . $vswitch['last_push_lasted'] . ')';
}
if ($vswitch['last_errno']) {
$rows['failed'] = $vswitch['last_error_ts'] . ' (' . strerror8021Q($vswitch['last_errno']) . ')';
}
if (NULL !== ($new_rows = callHook('alter8021qSyncSummaryItems', $rows))) {
$rows = $new_rows;
}
foreach ($rows as $th => $td) {
echo "<tr><th width='50%' class=tdright>{$th}:</th><td class=tdleft colspan=2>{$td}</td></tr>";
}
echo '<tr><th class=tdright>run now:</th><td class=tdcenter>';
printOpFormIntro('exec8021QPull');
echo getImageHREF('prev', 'pull remote changes in', TRUE, 101) . '</form></td><td class=tdcenter>';
if ($maxdecisions) {
echo getImageHREF('COMMIT gray', 'cannot push due to version conflict(s)');
} else {
printOpFormIntro('exec8021QPush');
echo getImageHREF('COMMIT', 'push local changes out', TRUE, 102) . '</form>';
}
echo '</td></tr>';
echo '</table>';
finishPortlet();
startPortlet('preview legend');
echo '<table cellspacing=0 cellpadding=5 align=center class=widetable>';
echo '<tr><th>status</th><th width="50%">color code</th></tr>';
echo '<tr><td class=tdright>with template role:</td><td class=trbusy> </td></tr>';
echo '<tr><td class=tdright>without template role:</td><td> </td></tr>';
echo '<tr><td class=tdright>new data:</td><td class=trok> </td></tr>';
echo '<tr><td class=tdright>warnings in new data:</td><td class=trwarning> </td></tr>';
echo '<tr><td class=tdright>fatal errors in new data:</td><td class=trerror> </td></tr>';
echo '<tr><td class=tdright>deleted data:</td><td class=trnull> </td></tr>';
echo '</table>';
finishPortlet();
echo '</td><td class=pcright>';
startPortlet('preview/resolve');
switchportInfoJS($object_id);
// load JS code to make portnames interactive
// initialize one of three popups: we've got data already
$port_config = addslashes(json_encode(formatPortConfigHints($object_id, $R)));
addJS(<<<END
\$(document).ready(function(){
\tvar confData = \$.parseJSON('{$port_config}');
\tapplyConfData(confData);
\tvar menuItem = \$('.context-menu-item.itemname-conf');
\tmenuItem.addClass(\$.contextMenu.disabledItemClassName);
\tsetItemIcon(menuItem[0], 'ok');
});
END
, TRUE);
echo '<table cellspacing=0 cellpadding=5 align=center class=widetable width="100%">';
if ($maxdecisions) {
echo '<tr><th colspan=2> </th><th colspan=3>discard</th><th> </th></tr>';
}
echo '<tr valign=top><th>port</th><th width="40%">last saved version</th>';
if ($maxdecisions) {
addJS('js/racktables.js');
printOpFormIntro('resolve8021QConflicts', array('mutex_rev' => $vswitch['mutex_rev']));
foreach (array('left', 'asis', 'right') as $pos) {
echo "<th class=tdcenter><input type=radio name=column_radio value={$pos} " . "onclick=\"checkColumnOfRadios('i_', {$maxdecisions}, '_{$pos}')\"></th>";
}
}
echo '<th width="40%">running version</th></tr>';
$rownum = 0;
$plan = sortPortList($plan);
$domvlans = array_keys(getDomainVLANs($vswitch['domain_id']));
$default_port = array('mode' => 'access', 'allowed' => array(VLAN_DFL_ID), 'native' => VLAN_DFL_ID);
foreach ($plan as $port_name => $item) {
$trclass = $left_extra = $right_extra = $left_text = $right_text = '';
$radio_attrs = array();
switch ($item['status']) {
case 'ok_to_delete':
$left_text = serializeVLANPack($item['left']);
$right_text = 'none';
$left_extra = ' trnull';
$right_extra = ' trok';
// no confirmation is necessary
break;
case 'delete_conflict':
$trclass = 'trbusy';
$left_extra = ' trerror';
// can be fixed on request
$right_extra = ' trnull';
$left_text = formatVLANPackDiff($item['lastseen'], $item['left']);
$right_text = ' ';
$radio_attrs = array('left' => '', 'asis' => ' checked', 'right' => ' disabled');
// dummy setting to suppress warnings in resolve8021QConflicts()
$item['right'] = $default_port;
break;
case 'add_conflict':
$trclass = 'trbusy';
$right_extra = ' trerror';
$left_text = ' ';
$right_text = serializeVLANPack($item['right']);
break;
case 'ok_to_add':
$trclass = 'trbusy';
$right_extra = ' trok';
$left_text = ' ';
$right_text = serializeVLANPack($item['right']);
break;
case 'ok_to_merge':
$trclass = 'trbusy';
$left_extra = ' trok';
$right_extra = ' trok';
// fall through
// fall through
case 'in_sync':
$trclass = 'trbusy';
$left_text = $right_text = serializeVLANPack($item['both']);
break;
case 'ok_to_pull':
// at least one of the sides is not in the default state
$trclass = 'trbusy';
$right_extra = ' trok';
$left_text = serializeVLANPack($item['left']);
$right_text = serializeVLANPack($item['right']);
break;
case 'ok_to_push':
$trclass = ' trbusy';
$left_extra = ' trok';
$left_text = formatVLANPackDiff($C[$port_name], $item['left']);
$right_text = serializeVLANPack($item['right']);
break;
case 'merge_conflict':
$trclass = 'trbusy';
$left_extra = ' trerror';
$right_extra = ' trerror';
$left_text = formatVLANPackDiff($C[$port_name], $item['left']);
$right_text = serializeVLANPack($item['right']);
// enable, but consider each option independently
// Don't accept running VLANs not in domain, and
// don't offer anything, that VST will deny.
// Consider domain and template constraints.
$radio_attrs = array('left' => '', 'asis' => ' checked', 'right' => '');
if (!acceptable8021QConfig($item['right']) or count(array_diff($item['right']['allowed'], $domvlans)) or !goodModeForVSTRole($item['right']['mode'], $item['vst_role'])) {
$radio_attrs['left'] = ' disabled';
}
break;
case 'ok_to_push_with_merge':
$trclass = 'trbusy';
$left_extra = ' trok';
$right_extra = ' trwarning';
$left_text = formatVLANPackDiff($C[$port_name], $item['left']);
$right_text = serializeVLANPack($item['right']);
break;
case 'none':
$left_text = ' ';
$right_text = ' ';
break;
case 'martian_conflict':
if ($item['right']['mode'] == 'none') {
$right_text = ' ';
} else {
$right_text = serializeVLANPack($item['right']);
$right_extra = ' trerror';
}
if ($item['left']['mode'] == 'none') {
$left_text = ' ';
} else {
$left_text = serializeVLANPack($item['left']);
$left_extra = ' trerror';
$radio_attrs = array('left' => '', 'asis' => ' checked', 'right' => ' disabled');
// idem, see above
$item['right'] = $default_port;
}
break;
default:
$trclass = 'trerror';
$left_text = $right_text = 'internal rendering error';
break;
}
$ancor = '';
$td_class = '';
if (isset($hl_port_name) and $hl_port_name == $port_name) {
$ancor = "name='port-{$hl_port_id}'";
$td_class = ' border_highlight';
}
echo "<tr class='{$trclass}'><td class='tdleft{$td_class}' NOWRAP><a class='interactive-portname port-menu nolink' {$ancor}>{$port_name}</a></td>";
if (!count($radio_attrs)) {
echo "<td class='tdleft{$left_extra}'>{$left_text}</td>";
if ($maxdecisions) {
echo '<td> </td><td> </td><td> </td>';
}
echo "<td class='tdleft{$right_extra}'>{$right_text}</td>";
} else {
echo "<td class='tdleft{$left_extra}'><label for=i_{$rownum}_left>{$left_text}</label></td>";
foreach ($radio_attrs as $pos => $attrs) {
echo "<td><input id=i_{$rownum}_{$pos} name=i_{$rownum} type=radio value={$pos}{$attrs}></td>";
}
echo "<td class='tdleft{$right_extra}'><label for=i_{$rownum}_right>{$right_text}</label></td>";
}
echo '</tr>';
if (count($radio_attrs)) {
echo "<input type=hidden name=rm_{$rownum} value=" . $item['right']['mode'] . '>';
echo "<input type=hidden name=rn_{$rownum} value=" . $item['right']['native'] . '>';
foreach ($item['right']['allowed'] as $a) {
echo "<input type=hidden name=ra_{$rownum}[] value={$a}>";
}
echo "<input type=hidden name=pn_{$rownum} value='" . htmlspecialchars($port_name) . "'>";
}
$rownum += count($radio_attrs) ? 1 : 0;
}
if ($rownum) {
echo "<input type=hidden name=nrows value={$rownum}>";
echo '<tr><td colspan=2> </td><td colspan=3 align=center class=tdcenter>';
printImageHREF('UNLOCK', 'resolve conflicts', TRUE);
echo '</td><td> </td></tr>';
}
echo '</table>';
echo '</form>';
finishPortlet();
echo '</td></tr></table>';
}
function trigger_object_8021qsync()
{
global $sic;
if (NULL === ($vswitch = getVLANSwitchInfo($sic['object_id']))) {
return '';
}
return $vswitch['out_of_sync'] == 'yes' ? 'attn' : 'std';
}
exit(1);
}
// don't indicate failure unless the pidfile is 15 minutes or more old
if ($current_time < $pidfile_mtime + 15 * 60) {
exit(0);
}
print_message_line("Failed to lock {$filename}, already locked by PID " . mb_substr(file_get_contents($filename), 0, 6));
exit(1);
}
ftruncate($fp, 0);
fwrite($fp, getmypid() . "\n");
fclose($fp);
// fetch all the needed data from DB (preparing for DB connection loss)
$switch_queue = array();
foreach ($switch_list as $object_id) {
if (in_array(detectVLANSwitchQueue(getVLANSwitchInfo($object_id)), $todo[$options['mode']])) {
$cell = spotEntity('object', $object_id);
if (considerConfiguredConstraint($cell, 'SYNC_802Q_LISTSRC')) {
$switch_queue[] = $cell;
}
}
}
// YOU SHOULD NOT USE DB FUNCTIONS BELOW IN THE PARENT PROCESS
// THE PARENT'S DB CONNECTION IS LOST DUE TO RECONNECTING IN THE CHILD
$fork_slots = getConfigVar('SYNCDOMAIN_MAX_PROCESSES');
$do_fork = $fork_slots > 1 and extension_loaded('pcntl');
if ($fork_slots > 1 and !$do_fork) {
throw new RackTablesError('PHP extension \'pcntl\' not found, can not use childs', RackTablesError::MISCONFIGURED);
}
$switches_working = 0;
$switchesdone = 0;
function trigger_object_8021qsync()
{
if (NULL === ($vswitch = getVLANSwitchInfo(getBypassValue()))) {
return '';
}
return $vswitch['out_of_sync'] == 'yes' ? 'attn' : 'std';
}
function apply8021qChangeRequest($switch_id, $changes, $verbose = TRUE, $mutex_rev = NULL)
{
global $dbxlink;
$dbxlink->beginTransaction();
try {
if (NULL === ($vswitch = getVLANSwitchInfo($switch_id, 'FOR UPDATE'))) {
throw new InvalidArgException('object_id', $switch_id, 'VLAN domain is not set for this object');
}
if (isset($mutex_rev) and $vswitch['mutex_rev'] != $mutex_rev) {
throw new InvalidRequestArgException('mutex_rev', $mutex_rev, 'expired form data');
}
$after = $before = apply8021QOrder($vswitch['template_id'], getStored8021QConfig($vswitch['object_id'], 'desired'));
$domain_vlanlist = getDomainVLANs($vswitch['domain_id']);
$changes = filter8021QChangeRequests($domain_vlanlist, $before, apply8021QOrder($vswitch['template_id'], $changes));
$desired_ports_count = count($changes);
$changes = authorize8021QChangeRequests($before, $changes);
if (count($changes) < $desired_ports_count) {
showWarning(sprintf("Permission denied to change %d ports", $desired_ports_count - count($changes)));
}
foreach ($changes as $port_name => $port) {
$after[$port_name] = $port;
}
$new_uplinks = filter8021QChangeRequests($domain_vlanlist, $after, produceUplinkPorts($domain_vlanlist, $after, $vswitch['object_id']));
$npulled = replace8021QPorts('desired', $vswitch['object_id'], $before, $changes);
$nsaved_uplinks = replace8021QPorts('desired', $vswitch['object_id'], $before, $new_uplinks);
if ($npulled + $nsaved_uplinks) {
touchVLANSwitch($vswitch['object_id']);
}
$dbxlink->commit();
} catch (Exception $e) {
$dbxlink->rollBack();
showError(sprintf("Failed to update switchports: %s", $e->getMessage()));
return 0;
}
$nsaved_downlinks = 0;
if ($nsaved_uplinks) {
$nsaved_downlinks = initiateUplinksReverb($vswitch['object_id'], $new_uplinks);
}
// instant deploy to that switch if configured
$done = 0;
if ($npulled + $nsaved_uplinks > 0 and getConfigVar('8021Q_INSTANT_DEPLOY') == 'yes') {
try {
if (FALSE === ($done = exec8021QDeploy($vswitch['object_id'], TRUE))) {
showError("deploy was blocked due to conflicting configuration versions");
} elseif ($verbose) {
showSuccess(sprintf("Configuration for %u port(s) have been deployed", $done));
}
} catch (Exception $e) {
showError(sprintf("Failed to deploy changes to switch: %s", $e->getMessage()));
}
}
// report number of changed ports
$total = $npulled + $nsaved_uplinks + $nsaved_downlinks;
if ($verbose) {
$message = sprintf('%u port(s) have been changed', $total);
if ($total > 0) {
showSuccess($message);
} else {
showNotice($message);
}
}
return $total;
}