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Issue #2798127 by memtkmcc: Improve Migrate task reliability with ext…
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…ra sub-tasks and fixes (BOA unfork)
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@helmo
memtkmcc authored and helmo committed Sep 15, 2016
1 parent 52bb32a commit 76e15e7
Showing 1 changed file with 103 additions and 6 deletions.
109 changes: 103 additions & 6 deletions platform/migrate.provision.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -77,11 +77,82 @@ function drush_provision_drupal_provision_migrate($platform, $new_name = NULL) {
$options = array();
$options['uri'] = d()->uri;

// If the site is migrated between platforms and not just renamed,
// we should update the info collected about source and target platform first.
// Note that we have to exclude Hostmaster platform from this extra verify.
if (d()->profile != 'hostmaster') {
if (!is_null(d($platform)->name) && (d($platform)->name != d()->platform->name)) {
provision_backend_invoke('@hostmaster', 'hosting-task', array(d()->platform->name, 'verify'), array('force' => TRUE));
sleep(5); // A small trick to avoid high load and race conditions.
provision_backend_invoke('@hostmaster', 'hosting-task', array(d($platform)->name, 'verify'), array('force' => TRUE));
sleep(5); // A small trick to avoid high load and race conditions.
}
}

if (!is_null($new_name) && ($new_name != d()->name)) {
$options = d()->options;
$options['uri'] = ltrim($new_name, '@');
$hash_name = drush_get_option('#name') ? '#name' : 'name';
$options[$hash_name] = $new_name;
$new_aliases = array();
$old_aliases = (is_array($options['aliases'])) ? $options['aliases'] : FALSE;
$pre_old_uri = ltrim(d()->uri, '@');
$pre_new_uri = ltrim($new_name, '@');
$raw_old_uri = preg_replace('/^www\./', '', $pre_old_uri);
$raw_new_uri = preg_replace('/^www\./', '', $pre_new_uri);
$www_old_uri = "www." . $raw_old_uri;
$www_new_uri = "www." . $raw_new_uri;
if (is_array($old_aliases) && !empty($old_aliases)) {
foreach ($old_aliases as $alias) {
drush_log(dt("DEBUG RENAME old_aliases is @this", array('@this' => $alias)));
if (!preg_match("/^www\./", $pre_old_uri) && preg_match("/^www\./", $pre_new_uri)) {
$new_aliases[] = str_replace($www_old_uri, $raw_new_uri, $alias);
}
elseif (preg_match("/^www\./", $pre_old_uri) && !preg_match("/^www\./", $pre_new_uri)) {
$new_aliases[] = str_replace($raw_old_uri, $www_new_uri, $alias);
}
elseif (!preg_match("/^www\./", $pre_old_uri) && !preg_match("/^www\./", $pre_new_uri)) {
$new_aliases[] = str_replace($www_old_uri, $www_new_uri, $alias);
}
elseif (preg_match("/^www\./", $pre_old_uri) && preg_match("/^www\./", $pre_new_uri)) {
$new_aliases[] = str_replace($raw_old_uri, $raw_new_uri, $alias);
}
}
$unique_aliases = array_unique($new_aliases); // Make sure there are no duplicates.
$options['aliases'] = array(); // Reset original aliases array.
$options['aliases'] = $unique_aliases; // Use rewritten aliases array.
if (!is_null(d($platform)->name) && (d($platform)->name == d()->platform->name)) {
drush_set_option('rename_only', TRUE);
foreach ($new_aliases as $alias) {
drush_log(dt("DEBUG RENAME new_aliases is @this", array('@this' => $alias)));
}
foreach ($unique_aliases as $alias) {
drush_log(dt("DEBUG RENAME unique_aliases is @this", array('@this' => $alias)));
}
}
drush_set_option('aliases', $unique_aliases);
}
else {
$detected_aliases = provision_drupal_find_aliases();
foreach ($detected_aliases as $alias) {
drush_log(dt("DEBUG RENAME detected_aliases is @this", array('@this' => $alias)));
}
drush_set_option('aliases', $detected_aliases);
}
// Warning: do not try to re-verify the original site here
// even with backend-only verify, because it would create
// (and never delete) duplicate vhost with old domain
// and all aliases included - see issue #1067702.
}
else {
// We have to exclude Hostmaster site from any extra verify steps.
if (d()->profile != 'hostmaster') {
// We should update also the info collected about the site before running migrate task.
// Doing this is safe only when the site is migrated with the same name - see issue #1067702.
$local_uri_verify = '@' . d()->uri;
provision_backend_invoke('@hostmaster', 'hosting-task', array($local_uri_verify, 'verify'), array('force' => TRUE));
sleep(5); // A small trick to avoid high load and race conditions.
}
}
$options['platform'] = $platform;
$options['root'] = d($platform)->root;
Expand Down Expand Up @@ -140,17 +211,43 @@ function drush_provision_drupal_post_provision_migrate($platform, $new_name = NU
d()->service('http')->sync(d()->site_path);
}



if (!is_null($new_name) && ($new_name != d()->name)) {
// remove the existing alias
// Use correct context for cleanup operations.
$source_name = drush_get_option('source_name');
drush_log(dt("DEBUG RENAME source_name is @this", array('@this' => $source_name)));
// Remove the existing drush alias.
$config = new Provision_Config_Drushrc_Alias(d()->name);
$config->unlink();

// Delete the old site directory.
_provision_recursive_delete(d($source_name)->site_path);
d()->service('http')->sync(d($source_name)->site_path);
// Remove old site name aliases.
_provision_drupal_delete_aliases();
// Remove the symlink in the clients directory.
_provision_client_delete_symlink();
}

// Load the config file of the newly migrated site and return it to hosting.
provision_reload_config('site', drush_get_option('new_site_path', d()->site_path) . '/drushrc.php');
$rename_only = drush_get_option('rename_only');
if ($rename_only) {
// We run this extra tricky backend verify to avoid issue #1004526.
if (d()->profile != 'hostmaster') {
drush_log(dt("DEBUG RENAME new_uri is @this", array('@this' => $new_name)));
$deploy_replace_site = drush_get_option('deploy_replace_site');
drush_log(dt("DEBUG RENAME deploy_replace_site is @this", array('@this' => $deploy_replace_site)));
$final_aliases = drush_get_option('aliases');
foreach ($final_aliases as $alias) {
drush_log(dt("DEBUG RENAME final_aliases is @this", array('@this' => $alias)));
}
provision_reload_config('site', drush_get_option('new_site_path', d($new_name)->site_path) . '/drushrc.php');
d($new_name)->aliases = drush_set_option('aliases', $final_aliases);
d($new_name)->write_alias();
drush_set_option('aliases', drush_get_option('aliases'), 'site');
drush_set_option('provision_save_config', false);
provision_backend_invoke($new_name, 'provision-verify');
}
}
else {
// Load the config file of the newly migrated site and return it to hosting.
provision_reload_config('site', drush_get_option('new_site_path', d()->site_path) . '/drushrc.php');
}
}

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