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phorge/src/applications/config/controller/PhabricatorConfigClusterRepositoriesController.php
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PhabricatorConfigClusterRepositoriesController.php
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<?php
final class PhabricatorConfigClusterRepositoriesController
extends PhabricatorConfigController {
public function handleRequest(AphrontRequest $request) {
$nav = $this->buildSideNavView();
$nav->selectFilter('cluster/repositories/');
$title = pht('Repository Servers');
$crumbs = $this
->buildApplicationCrumbs($nav)
->addTextCrumb(pht('Repository Servers'));
$repository_status = $this->buildClusterRepositoryStatus();
$view = id(new PHUITwoColumnView())
->setNavigation($nav)
->setMainColumn($repository_status);
return $this->newPage()
->setTitle($title)
->setCrumbs($crumbs)
->appendChild($view);
}
private function buildClusterRepositoryStatus() {
$viewer = $this->getViewer();
Javelin::initBehavior('phabricator-tooltips');
$all_services = id(new AlmanacServiceQuery())
->setViewer($viewer)
->withServiceTypes(
array(
AlmanacClusterRepositoryServiceType::SERVICETYPE,
))
->needBindings(true)
->needProperties(true)
->execute();
$all_services = mpull($all_services, null, 'getPHID');
$all_repositories = id(new PhabricatorRepositoryQuery())
->setViewer($viewer)
->withTypes(
array(
PhabricatorRepositoryType::REPOSITORY_TYPE_GIT,
))
->execute();
$all_repositories = mpull($all_repositories, null, 'getPHID');
$all_versions = id(new PhabricatorRepositoryWorkingCopyVersion())
->loadAll();
$all_devices = $this->getDevices($all_services, false);
$all_active_devices = $this->getDevices($all_services, true);
$leader_versions = $this->getLeaderVersionsByRepository(
$all_repositories,
$all_versions,
$all_active_devices);
$push_times = $this->loadLeaderPushTimes($leader_versions);
$repository_groups = mgroup($all_repositories, 'getAlmanacServicePHID');
$repository_versions = mgroup($all_versions, 'getRepositoryPHID');
$rows = array();
foreach ($all_services as $service) {
$service_phid = $service->getPHID();
if ($service->getAlmanacPropertyValue('closed')) {
$status_icon = 'fa-folder';
$status_tip = pht('Closed');
} else {
$status_icon = 'fa-folder-open green';
$status_tip = pht('Open');
}
$status_icon = id(new PHUIIconView())
->setIcon($status_icon)
->addSigil('has-tooltip')
->setMetadata(
array(
'tip' => $status_tip,
));
$devices = idx($all_devices, $service_phid, array());
$active_devices = idx($all_active_devices, $service_phid, array());
$device_icon = 'fa-server green';
$device_label = pht(
'%s Active',
phutil_count($active_devices));
$device_status = array(
id(new PHUIIconView())->setIcon($device_icon),
' ',
$device_label,
);
$repositories = idx($repository_groups, $service_phid, array());
$repository_status = pht(
'%s',
phutil_count($repositories));
$no_leader = array();
$full_sync = array();
$partial_sync = array();
$no_sync = array();
$lag = array();
// Threshold in seconds before we start complaining that repositories
// are not synchronized when there is only one leader.
$threshold = phutil_units('5 minutes in seconds');
$messages = array();
foreach ($repositories as $repository) {
$repository_phid = $repository->getPHID();
$leader_version = idx($leader_versions, $repository_phid);
if ($leader_version === null) {
$no_leader[] = $repository;
$messages[] = pht(
'Repository %s has an ambiguous leader.',
$viewer->renderHandle($repository_phid)->render());
continue;
}
$versions = idx($repository_versions, $repository_phid, array());
$leaders = 0;
foreach ($versions as $version) {
if ($version->getRepositoryVersion() == $leader_version) {
$leaders++;
}
}
if ($leaders == count($active_devices)) {
$full_sync[] = $repository;
} else {
$push_epoch = idx($push_times, $repository_phid);
if ($push_epoch) {
$duration = (PhabricatorTime::getNow() - $push_epoch);
$lag[] = $duration;
} else {
$duration = null;
}
if ($leaders >= 2 || ($duration && ($duration < $threshold))) {
$partial_sync[] = $repository;
} else {
$no_sync[] = $repository;
if ($push_epoch) {
$messages[] = pht(
'Repository %s has unreplicated changes (for %s).',
$viewer->renderHandle($repository_phid)->render(),
phutil_format_relative_time($duration));
} else {
$messages[] = pht(
'Repository %s has unreplicated changes.',
$viewer->renderHandle($repository_phid)->render());
}
}
}
}
$with_lag = false;
if ($no_leader) {
$replication_icon = 'fa-times red';
$replication_label = pht('Ambiguous Leader');
} else if ($no_sync) {
$replication_icon = 'fa-refresh yellow';
$replication_label = pht('Unsynchronized');
$with_lag = true;
} else if ($partial_sync) {
$replication_icon = 'fa-refresh green';
$replication_label = pht('Partial');
$with_lag = true;
} else if ($full_sync) {
$replication_icon = 'fa-check green';
$replication_label = pht('Synchronized');
} else {
$replication_icon = 'fa-times grey';
$replication_label = pht('No Repositories');
}
if ($with_lag && $lag) {
$lag_status = phutil_format_relative_time(max($lag));
$lag_status = pht(' (%s)', $lag_status);
} else {
$lag_status = null;
}
$replication_status = array(
id(new PHUIIconView())->setIcon($replication_icon),
' ',
$replication_label,
$lag_status,
);
$messages = phutil_implode_html(phutil_tag('br'), $messages);
$rows[] = array(
$status_icon,
$viewer->renderHandle($service->getPHID()),
$device_status,
$repository_status,
$replication_status,
$messages,
);
}
$table = id(new AphrontTableView($rows))
->setNoDataString(
pht('No repository cluster services are configured.'))
->setHeaders(
array(
null,
pht('Service'),
pht('Devices'),
pht('Repos'),
pht('Sync'),
pht('Messages'),
))
->setColumnClasses(
array(
null,
'pri',
null,
null,
null,
'wide',
));
$doc_href = PhabricatorEnv::getDoclink('Cluster: Repositories');
$header = id(new PHUIHeaderView())
->setHeader(pht('Cluster Repository Status'))
->addActionLink(
id(new PHUIButtonView())
->setIcon('fa-book')
->setHref($doc_href)
->setTag('a')
->setText(pht('Documentation')));
return id(new PHUIObjectBoxView())
->setHeader($header)
->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
->setTable($table);
}
private function getDevices(
array $all_services,
$only_active) {
$devices = array();
foreach ($all_services as $service) {
$map = array();
foreach ($service->getBindings() as $binding) {
if ($only_active && $binding->getIsDisabled()) {
continue;
}
$device = $binding->getDevice();
$device_phid = $device->getPHID();
$map[$device_phid] = $device;
}
$devices[$service->getPHID()] = $map;
}
return $devices;
}
private function getLeaderVersionsByRepository(
array $all_repositories,
array $all_versions,
array $active_devices) {
$version_map = mgroup($all_versions, 'getRepositoryPHID');
$result = array();
foreach ($all_repositories as $repository_phid => $repository) {
$service_phid = $repository->getAlmanacServicePHID();
if (!$service_phid) {
continue;
}
$devices = idx($active_devices, $service_phid);
if (!$devices) {
continue;
}
$versions = idx($version_map, $repository_phid, array());
$versions = mpull($versions, null, 'getDevicePHID');
$versions = array_select_keys($versions, array_keys($devices));
if (!$versions) {
continue;
}
$leader = (int)max(mpull($versions, 'getRepositoryVersion'));
$result[$repository_phid] = $leader;
}
return $result;
}
private function loadLeaderPushTimes(array $leader_versions) {
$viewer = $this->getViewer();
if (!$leader_versions) {
return array();
}
$events = id(new PhabricatorRepositoryPushEventQuery())
->setViewer($viewer)
->withIDs($leader_versions)
->execute();
$events = mpull($events, null, 'getID');
$result = array();
foreach ($leader_versions as $key => $version) {
$event = idx($events, $version);
if (!$event) {
continue;
}
$result[$key] = $event->getEpoch();
}
return $result;
}
}

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