private function buildAuthorizationsBox(DrydockBlueprint $blueprint)
{
$viewer = $this->getViewer();
$limit = 25;
// If there are pending authorizations against this blueprint, make sure
// we show them first.
$pending_authorizations = id(new DrydockAuthorizationQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withObjectStates(array(DrydockAuthorization::OBJECTAUTH_ACTIVE))->withBlueprintStates(array(DrydockAuthorization::BLUEPRINTAUTH_REQUESTED))->setLimit($limit)->execute();
$all_authorizations = id(new DrydockAuthorizationQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withObjectStates(array(DrydockAuthorization::OBJECTAUTH_ACTIVE))->withBlueprintStates(array(DrydockAuthorization::BLUEPRINTAUTH_REQUESTED, DrydockAuthorization::BLUEPRINTAUTH_AUTHORIZED))->setLimit($limit)->execute();
$authorizations = mpull($pending_authorizations, null, 'getPHID') + mpull($all_authorizations, null, 'getPHID');
$authorization_list = id(new DrydockAuthorizationListView())->setUser($viewer)->setAuthorizations($authorizations)->setNoDataString(pht('No objects have active authorizations to use this blueprint.'));
$id = $blueprint->getID();
$authorizations_uri = "blueprint/{$id}/authorizations/query/all/";
$authorizations_uri = $this->getApplicationURI($authorizations_uri);
$authorizations_header = id(new PHUIHeaderView())->setHeader(pht('Active Authorizations'))->addActionLink(id(new PHUIButtonView())->setTag('a')->setHref($authorizations_uri)->setIconFont('fa-search')->setText(pht('View All')));
return id(new PHUIObjectBoxView())->setHeader($authorizations_header)->setObjectList($authorization_list);
}
private function buildResourceBox(DrydockBlueprint $blueprint)
{
$viewer = $this->getViewer();
$resources = id(new DrydockResourceQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withStatuses(array(DrydockResourceStatus::STATUS_PENDING, DrydockResourceStatus::STATUS_ACTIVE))->setLimit(100)->execute();
$resource_list = id(new DrydockResourceListView())->setUser($viewer)->setResources($resources)->render()->setNoDataString(pht('This blueprint has no active resources.'));
$id = $blueprint->getID();
$resources_uri = "blueprint/{$id}/resources/query/all/";
$resources_uri = $this->getApplicationURI($resources_uri);
$resource_header = id(new PHUIHeaderView())->setHeader(pht('Active Resources'))->addActionLink(id(new PHUIButtonView())->setTag('a')->setHref($resources_uri)->setIconFont('fa-search')->setText(pht('View All Resources')));
return id(new PHUIObjectBoxView())->setHeader($resource_header)->setObjectList($resource_list);
}
private function loadFreeBindings(DrydockBlueprint $blueprint)
{
if ($this->freeBindings === null) {
$viewer = PhabricatorUser::getOmnipotentUser();
$pool = id(new DrydockResourceQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withStatuses(array(DrydockResourceStatus::STATUS_PENDING, DrydockResourceStatus::STATUS_OPEN, DrydockResourceStatus::STATUS_CLOSED))->execute();
$allocated_phids = array();
foreach ($pool as $resource) {
$allocated_phids[] = $resource->getAttribute('almanacDevicePHID');
}
$allocated_phids = array_fuse($allocated_phids);
$services = $this->loadServices($blueprint);
$bindings = $this->loadAllBindings($services);
$free = array();
foreach ($bindings as $binding) {
if (empty($allocated_phids[$binding->getPHID()])) {
$free[] = $binding;
}
}
$this->freeBindings = $free;
}
return $this->freeBindings;
}
protected function newLease(DrydockBlueprint $blueprint)
{
return DrydockLease::initializeNewLease()->setAuthorizingPHID($blueprint->getPHID());
}
/**
* Apply standard limits on resource allocation rate.
*
* @param DrydockBlueprint The blueprint requesting an allocation.
* @return bool True if further allocations should be limited.
*/
protected function shouldLimitAllocatingPoolSize(DrydockBlueprint $blueprint)
{
// TODO: If this mechanism sticks around, these values should be
// configurable by the blueprint implementation.
// Limit on total number of active resources.
$total_limit = 1;
// Always allow at least this many allocations to be in flight at once.
$min_allowed = 1;
// Allow this fraction of allocating resources as a fraction of active
// resources.
$growth_factor = 0.25;
$resource = new DrydockResource();
$conn_r = $resource->establishConnection('r');
$counts = queryfx_all($conn_r, 'SELECT status, COUNT(*) N FROM %T
WHERE blueprintPHID = %s AND status != %s
GROUP BY status', $resource->getTableName(), $blueprint->getPHID(), DrydockResourceStatus::STATUS_DESTROYED);
$counts = ipull($counts, 'N', 'status');
$n_alloc = idx($counts, DrydockResourceStatus::STATUS_PENDING, 0);
$n_active = idx($counts, DrydockResourceStatus::STATUS_ACTIVE, 0);
$n_broken = idx($counts, DrydockResourceStatus::STATUS_BROKEN, 0);
$n_released = idx($counts, DrydockResourceStatus::STATUS_RELEASED, 0);
// If we're at the limit on total active resources, limit additional
// allocations.
$n_total = $n_alloc + $n_active + $n_broken + $n_released;
if ($n_total >= $total_limit) {
return true;
}
// If the number of in-flight allocations is fewer than the minimum number
// of allowed allocations, don't impose a limit.
if ($n_alloc < $min_allowed) {
return false;
}
$allowed_alloc = (int) ceil($n_active * $growth_factor);
// If the number of in-flight allocation is fewer than the number of
// allowed allocations according to the pool growth factor, don't impose
// a limit.
if ($n_alloc < $allowed_alloc) {
return false;
}
return true;
}
private function loadFreeBindings(DrydockBlueprint $blueprint)
{
if ($this->freeBindings === null) {
$viewer = PhabricatorUser::getOmnipotentUser();
$pool = id(new DrydockResourceQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withStatuses(array(DrydockResourceStatus::STATUS_PENDING, DrydockResourceStatus::STATUS_ACTIVE, DrydockResourceStatus::STATUS_BROKEN, DrydockResourceStatus::STATUS_RELEASED))->execute();
$allocated_phids = array();
foreach ($pool as $resource) {
$allocated_phids[] = $resource->getAttribute('almanacBindingPHID');
}
$allocated_phids = array_fuse($allocated_phids);
$services = $this->loadServices($blueprint);
$bindings = $this->loadAllBindings($services);
$free = array();
foreach ($bindings as $binding) {
// Don't consider disabled bindings to be available.
if ($binding->getIsDisabled()) {
continue;
}
if (empty($allocated_phids[$binding->getPHID()])) {
$free[] = $binding;
}
}
$this->freeBindings = $free;
}
return $this->freeBindings;
}
private function reclaimResources(DrydockBlueprint $blueprint, DrydockLease $lease)
{
$viewer = $this->getViewer();
$resources = id(new DrydockResourceQuery())->setViewer($viewer)->withBlueprintPHIDs(array($blueprint->getPHID()))->withStatuses(array(DrydockResourceStatus::STATUS_ACTIVE))->execute();
// TODO: We could be much smarter about this and try to release long-unused
// resources, resources with many similar copies, old resources, resources
// that are cheap to rebuild, etc.
shuffle($resources);
foreach ($resources as $resource) {
if ($this->canReclaimResource($resource)) {
$this->reclaimResource($resource, $lease);
return $resource;
}
}
return null;
}
