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PhabricatorRepositoryManagementClusterizeWorkflow.php
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Tue, Jul 23, 18:18

PhabricatorRepositoryManagementClusterizeWorkflow.php
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<?php
final class PhabricatorRepositoryManagementClusterizeWorkflow
extends PhabricatorRepositoryManagementWorkflow {
protected function didConstruct() {
$this
->setName('clusterize')
->setExamples('**clusterize** [options] __repository__ ...')
->setSynopsis(
pht('Convert existing repositories into cluster repositories.'))
->setArguments(
array(
array(
'name' => 'service',
'param' => 'service',
'help' => pht(
'Cluster repository service in Almanac to move repositories '.
'into.'),
),
array(
'name' => 'remove-service',
'help' => pht('Take repositories out of a cluster.'),
),
array(
'name' => 'repositories',
'wildcard' => true,
),
));
}
public function execute(PhutilArgumentParser $args) {
$viewer = $this->getViewer();
$repositories = $this->loadRepositories($args, 'repositories');
if (!$repositories) {
throw new PhutilArgumentUsageException(
pht('Specify one or more repositories to clusterize.'));
}
$service_name = $args->getArg('service');
$remove_service = $args->getArg('remove-service');
if ($remove_service && $service_name) {
throw new PhutilArgumentUsageException(
pht('Specify --service or --remove-service, but not both.'));
}
if (!$service_name && !$remove_service) {
throw new PhutilArgumentUsageException(
pht('Specify --service or --remove-service.'));
}
if ($remove_service) {
$service = null;
} else {
$service = id(new AlmanacServiceQuery())
->setViewer($viewer)
->withNames(array($service_name))
->withServiceTypes(
array(
AlmanacClusterRepositoryServiceType::SERVICETYPE,
))
->needBindings(true)
->executeOne();
if (!$service) {
throw new PhutilArgumentUsageException(
pht(
'No repository service "%s" exists.',
$service_name));
}
}
if ($service) {
$service_phid = $service->getPHID();
$bindings = $service->getActiveBindings();
$unique_devices = array();
foreach ($bindings as $binding) {
$unique_devices[$binding->getDevicePHID()] = $binding->getDevice();
}
if (count($unique_devices) > 1) {
$device_names = mpull($unique_devices, 'getName');
echo id(new PhutilConsoleBlock())
->addParagraph(
pht(
'Service "%s" is actively bound to more than one device (%s).',
$service_name,
implode(', ', $device_names)))
->addParagraph(
pht(
'If you clusterize a repository onto this service it may be '.
'unclear which devices have up-to-date copies of the '.
'repository. If so, leader/follower ambiguity will freeze the '.
'repository. You may need to manually promote a device to '.
'unfreeze it. See "Ambiguous Leaders" in the documentation '.
'for discussion.'))
->drawConsoleString();
$prompt = pht('Continue anyway?');
if (!phutil_console_confirm($prompt)) {
throw new PhutilArgumentUsageException(
pht('User aborted the workflow.'));
}
}
} else {
$service_phid = null;
}
$content_source = $this->newContentSource();
$diffusion_phid = id(new PhabricatorDiffusionApplication())->getPHID();
foreach ($repositories as $repository) {
$xactions = array();
$xactions[] = id(new PhabricatorRepositoryTransaction())
->setTransactionType(PhabricatorRepositoryTransaction::TYPE_SERVICE)
->setNewValue($service_phid);
id(new PhabricatorRepositoryEditor())
->setActor($viewer)
->setActingAsPHID($diffusion_phid)
->setContentSource($content_source)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(true)
->applyTransactions($repository, $xactions);
if ($service) {
echo tsprintf(
"%s\n",
pht(
'Moved repository "%s" to cluster service "%s".',
$repository->getDisplayName(),
$service->getName()));
} else {
echo tsprintf(
"%s\n",
pht(
'Removed repository "%s" from cluster service.',
$repository->getDisplayName()));
}
}
return 0;
}
}

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