public function processRequest()
{
$request = $this->getRequest();
$viewer = $request->getUser();
$this->requireApplicationCapability(DrydockCreateBlueprintsCapability::CAPABILITY);
$implementations = DrydockBlueprintImplementation::getAllBlueprintImplementations();
$errors = array();
$e_blueprint = null;
if ($request->isFormPost()) {
$class = $request->getStr('blueprint-type');
if (!isset($implementations[$class])) {
$e_blueprint = pht('Required');
$errors[] = pht('You must choose a blueprint type.');
}
if (!$errors) {
$edit_uri = $this->getApplicationURI('blueprint/edit/?class=' . $class);
return id(new AphrontRedirectResponse())->setURI($edit_uri);
}
}
$control = id(new AphrontFormRadioButtonControl())->setName('blueprint-type')->setLabel(pht('Blueprint Type'))->setError($e_blueprint);
foreach ($implementations as $implementation_name => $implementation) {
$disabled = !$implementation->isEnabled();
$control->addButton($implementation_name, $implementation->getBlueprintName(), array(pht('Provides: %s', $implementation->getType()), phutil_tag('br'), phutil_tag('br'), $implementation->getDescription()), $disabled ? 'disabled' : null, $disabled);
}
$title = pht('Create New Blueprint');
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addTextCrumb(pht('New Blueprint'));
$form = id(new AphrontFormView())->setUser($viewer)->appendChild($control)->appendChild(id(new AphrontFormSubmitControl())->addCancelButton($this->getApplicationURI('blueprint/'))->setValue(pht('Continue')));
$box = id(new PHUIObjectBoxView())->setFormErrors($errors)->setHeaderText($title)->setForm($form);
return $this->buildApplicationPage(array($crumbs, $box), array('title' => $title));
}
private function buildTypeSelectionResponse()
{
$request = $this->getRequest();
$viewer = $this->getViewer();
$implementations = DrydockBlueprintImplementation::getAllBlueprintImplementations();
$errors = array();
$e_blueprint = null;
if ($request->isFormPost()) {
$class = $request->getStr('blueprintType');
if (!isset($implementations[$class])) {
$e_blueprint = pht('Required');
$errors[] = pht('You must choose a blueprint type.');
}
}
$control = id(new AphrontFormRadioButtonControl())->setName('blueprintType')->setLabel(pht('Blueprint Type'))->setError($e_blueprint);
foreach ($implementations as $implementation_name => $implementation) {
$disabled = !$implementation->isEnabled();
$impl_icon = $implementation->getBlueprintIcon();
$impl_name = $implementation->getBlueprintName();
$impl_icon = id(new PHUIIconView())->setIcon($impl_icon, 'lightgreytext');
$control->addButton($implementation_name, array($impl_icon, ' ', $impl_name), array(pht('Provides: %s', $implementation->getType()), phutil_tag('br'), phutil_tag('br'), $implementation->getDescription()), $disabled ? 'disabled' : null, $disabled);
}
$title = pht('Create New Blueprint');
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addTextCrumb(pht('New Blueprint'));
$form = id(new AphrontFormView())->setUser($viewer)->appendChild($control)->appendChild(id(new AphrontFormSubmitControl())->addCancelButton($this->getApplicationURI('blueprint/'))->setValue(pht('Continue')));
$box = id(new PHUIObjectBoxView())->setFormErrors($errors)->setHeaderText($title)->setForm($form);
return $this->newPage()->setTitle($title)->setCrumbs($crumbs)->appendChild($box);
}
public function getImplementation()
{
$class = $this->className;
$implementations = DrydockBlueprintImplementation::getAllBlueprintImplementations();
if (!isset($implementations[$class])) {
throw new Exception(pht("Invalid class name for blueprint (got '%s')", $class));
}
return id(new $class())->attachInstance($this);
}
protected function loadPage()
{
$table = new DrydockBlueprint();
$conn_r = $table->establishConnection('r');
$data = queryfx_all($conn_r, 'SELECT blueprint.* FROM %T blueprint %Q %Q %Q', $table->getTableName(), $this->buildWhereClause($conn_r), $this->buildOrderClause($conn_r), $this->buildLimitClause($conn_r));
$blueprints = $table->loadAllFromArray($data);
$implementations = DrydockBlueprintImplementation::getAllBlueprintImplementations();
foreach ($blueprints as $blueprint) {
if (array_key_exists($blueprint->getClassName(), $implementations)) {
$blueprint->attachImplementation($implementations[$blueprint->getClassName()]);
}
}
return $blueprints;
}
protected function willFilterPage(array $blueprints)
{
$impls = DrydockBlueprintImplementation::getAllBlueprintImplementations();
foreach ($blueprints as $key => $blueprint) {
$impl = idx($impls, $blueprint->getClassName());
if (!$impl) {
$this->didRejectResult($blueprint);
unset($blueprints[$key]);
continue;
}
$impl = clone $impl;
$blueprint->attachImplementation($impl);
}
return $blueprints;
}
public function closeResource()
{
$this->openTransaction();
$statuses = array(DrydockLeaseStatus::STATUS_PENDING, DrydockLeaseStatus::STATUS_ACTIVE);
$leases = id(new DrydockLeaseQuery())->setViewer(PhabricatorUser::getOmnipotentUser())->withResourceIDs(array($this->getID()))->withStatuses($statuses)->execute();
foreach ($leases as $lease) {
switch ($lease->getStatus()) {
case DrydockLeaseStatus::STATUS_PENDING:
$message = pht('Breaking pending lease (resource closing).');
$lease->setStatus(DrydockLeaseStatus::STATUS_BROKEN);
break;
case DrydockLeaseStatus::STATUS_ACTIVE:
$message = pht('Releasing active lease (resource closing).');
$lease->setStatus(DrydockLeaseStatus::STATUS_RELEASED);
break;
}
DrydockBlueprintImplementation::writeLog($this, $lease, $message);
$lease->save();
}
$this->setStatus(DrydockResourceStatus::STATUS_CLOSED);
$this->save();
$this->saveTransaction();
}
/**
* Get all the @{class:DrydockBlueprintImplementation}s which can possibly
* build a resource to satisfy a lease.
*
* This method returns blueprints which might, at some time, be able to
* build a resource which can satisfy the lease. They may not be able to
* build that resource right now.
*
* @param DrydockLease Requested lease.
* @return list<DrydockBlueprintImplementation> List of qualifying blueprint
* implementations.
* @task allocator
*/
private function loadBlueprintImplementationsForAllocatingLease(DrydockLease $lease)
{
$impls = DrydockBlueprintImplementation::getAllBlueprintImplementations();
$keep = array();
foreach ($impls as $key => $impl) {
// Don't use disabled blueprint types.
if (!$impl->isEnabled()) {
continue;
}
// Don't use blueprint types which can't allocate the correct kind of
// resource.
if ($impl->getType() != $lease->getResourceType()) {
continue;
}
if (!$impl->canAnyBlueprintEverAllocateResourceForLease($lease)) {
continue;
}
$keep[$key] = $impl;
}
return $keep;
}
public function getFieldSpecifications()
{
return array('almanacServicePHIDs' => array('name' => pht('Almanac Services'), 'type' => 'datasource', 'datasource.class' => 'AlmanacServiceDatasource', 'datasource.parameters' => array('serviceClasses' => $this->getAlmanacServiceClasses()), 'required' => true), 'credentialPHID' => array('name' => pht('Credentials'), 'type' => 'credential', 'credential.provides' => PassphraseSSHPrivateKeyCredentialType::PROVIDES_TYPE, 'credential.type' => PassphraseSSHPrivateKeyTextCredentialType::CREDENTIAL_TYPE)) + parent::getFieldSpecifications();
}
public function handleRequest(AphrontRequest $request)
{
$viewer = $request->getViewer();
$id = $request->getURIData('id');
if ($id) {
$blueprint = id(new DrydockBlueprintQuery())->setViewer($viewer)->withIDs(array($id))->requireCapabilities(array(PhabricatorPolicyCapability::CAN_VIEW, PhabricatorPolicyCapability::CAN_EDIT))->executeOne();
if (!$blueprint) {
return new Aphront404Response();
}
$impl = $blueprint->getImplementation();
$cancel_uri = $this->getApplicationURI('blueprint/' . $id . '/');
} else {
$this->requireApplicationCapability(DrydockCreateBlueprintsCapability::CAPABILITY);
$class = $request->getStr('class');
$impl = DrydockBlueprintImplementation::getNamedImplementation($class);
if (!$impl || !$impl->isEnabled()) {
return new Aphront400Response();
}
$blueprint = DrydockBlueprint::initializeNewBlueprint($viewer);
$blueprint->setClassName($class);
$cancel_uri = $this->getApplicationURI('blueprint/');
}
$field_list = PhabricatorCustomField::getObjectFields($blueprint, PhabricatorCustomField::ROLE_EDIT);
$field_list->setViewer($viewer)->readFieldsFromStorage($blueprint);
$v_name = $blueprint->getBlueprintName();
$e_name = true;
$errors = array();
$validation_exception = null;
if ($request->isFormPost()) {
$v_view_policy = $request->getStr('viewPolicy');
$v_edit_policy = $request->getStr('editPolicy');
$v_name = $request->getStr('name');
if (!strlen($v_name)) {
$e_name = pht('Required');
$errors[] = pht('You must name this blueprint.');
}
if (!$errors) {
$xactions = array();
$xactions = $field_list->buildFieldTransactionsFromRequest(new DrydockBlueprintTransaction(), $request);
$xactions[] = id(new DrydockBlueprintTransaction())->setTransactionType(PhabricatorTransactions::TYPE_VIEW_POLICY)->setNewValue($v_view_policy);
$xactions[] = id(new DrydockBlueprintTransaction())->setTransactionType(PhabricatorTransactions::TYPE_EDIT_POLICY)->setNewValue($v_edit_policy);
$xactions[] = id(new DrydockBlueprintTransaction())->setTransactionType(DrydockBlueprintTransaction::TYPE_NAME)->setNewValue($v_name);
$editor = id(new DrydockBlueprintEditor())->setActor($viewer)->setContentSourceFromRequest($request)->setContinueOnNoEffect(true);
try {
$editor->applyTransactions($blueprint, $xactions);
$id = $blueprint->getID();
$save_uri = $this->getApplicationURI("blueprint/{$id}/");
return id(new AphrontRedirectResponse())->setURI($save_uri);
} catch (PhabricatorApplicationTransactionValidationException $ex) {
$validation_exception = $ex;
}
}
}
$policies = id(new PhabricatorPolicyQuery())->setViewer($viewer)->setObject($blueprint)->execute();
$form = id(new AphrontFormView())->setUser($viewer)->addHiddenInput('class', $request->getStr('class'))->appendChild(id(new AphrontFormTextControl())->setLabel(pht('Name'))->setName('name')->setValue($v_name)->setError($e_name))->appendChild(id(new AphrontFormStaticControl())->setLabel(pht('Blueprint Type'))->setValue($impl->getBlueprintName()))->appendChild(id(new AphrontFormPolicyControl())->setName('viewPolicy')->setPolicyObject($blueprint)->setCapability(PhabricatorPolicyCapability::CAN_VIEW)->setPolicies($policies))->appendChild(id(new AphrontFormPolicyControl())->setName('editPolicy')->setPolicyObject($blueprint)->setCapability(PhabricatorPolicyCapability::CAN_EDIT)->setPolicies($policies));
$field_list->appendFieldsToForm($form);
$crumbs = $this->buildApplicationCrumbs();
if ($blueprint->getID()) {
$title = pht('Edit Blueprint');
$header = pht('Edit Blueprint %d', $blueprint->getID());
$crumbs->addTextCrumb(pht('Blueprint %d', $blueprint->getID()));
$crumbs->addTextCrumb(pht('Edit'));
$submit = pht('Save Blueprint');
} else {
$title = pht('New Blueprint');
$header = pht('New Blueprint');
$crumbs->addTextCrumb(pht('New Blueprint'));
$submit = pht('Create Blueprint');
}
$form->appendChild(id(new AphrontFormSubmitControl())->setValue($submit)->addCancelButton($cancel_uri));
$box = id(new PHUIObjectBoxView())->setHeaderText($header)->setValidationException($validation_exception)->setFormErrors($errors)->setForm($form);
return $this->buildApplicationPage(array($crumbs, $box), array('title' => $title));
}
public function getFieldSpecifications()
{
return array('blueprintPHIDs' => array('name' => pht('Use Blueprints'), 'type' => 'blueprints', 'required' => true)) + parent::getFieldSpecifications();
}
public function testGetAllBlueprintImplementations()
{
DrydockBlueprintImplementation::getAllBlueprintImplementations();
$this->assertTrue(true);
}
private function allocateLease(DrydockLease $lease)
{
$type = $lease->getResourceType();
$blueprints = $this->loadAllBlueprints();
// TODO: Policy stuff.
$pool = id(new DrydockResource())->loadAllWhere('type = %s AND status = %s', $lease->getResourceType(), DrydockResourceStatus::STATUS_OPEN);
$this->logToDrydock(pht('Found %d Open Resource(s)', count($pool)));
$candidates = array();
foreach ($pool as $key => $candidate) {
if (!isset($blueprints[$candidate->getBlueprintPHID()])) {
unset($pool[$key]);
continue;
}
$blueprint = $blueprints[$candidate->getBlueprintPHID()];
$implementation = $blueprint->getImplementation();
if ($implementation->filterResource($candidate, $lease)) {
$candidates[] = $candidate;
}
}
$this->logToDrydock(pht('%d Open Resource(s) Remain', count($candidates)));
$resource = null;
if ($candidates) {
shuffle($candidates);
foreach ($candidates as $candidate_resource) {
$blueprint = $blueprints[$candidate_resource->getBlueprintPHID()]->getImplementation();
if ($blueprint->allocateLease($candidate_resource, $lease)) {
$resource = $candidate_resource;
break;
}
}
}
if (!$resource) {
$blueprints = DrydockBlueprintImplementation::getAllBlueprintImplementationsForResource($type);
$this->logToDrydock(pht('Found %d Blueprints', count($blueprints)));
foreach ($blueprints as $key => $candidate_blueprint) {
if (!$candidate_blueprint->isEnabled()) {
unset($blueprints[$key]);
continue;
}
}
$this->logToDrydock(pht('%d Blueprints Enabled', count($blueprints)));
foreach ($blueprints as $key => $candidate_blueprint) {
if (!$candidate_blueprint->canAllocateMoreResources($pool)) {
unset($blueprints[$key]);
continue;
}
}
$this->logToDrydock(pht('%d Blueprints Can Allocate', count($blueprints)));
if (!$blueprints) {
$lease->setStatus(DrydockLeaseStatus::STATUS_BROKEN);
$lease->save();
$this->logToDrydock(pht("There are no resources of type '%s' available, and no " . "blueprints which can allocate new ones.", $type));
return;
}
// TODO: Rank intelligently.
shuffle($blueprints);
$blueprint = head($blueprints);
$resource = $blueprint->allocateResource($lease);
if (!$blueprint->allocateLease($resource, $lease)) {
// TODO: This "should" happen only if we lost a race with another lease,
// which happened to acquire this resource immediately after we
// allocated it. In this case, the right behavior is to retry
// immediately. However, other things like a blueprint allocating a
// resource it can't actually allocate the lease on might be happening
// too, in which case we'd just allocate infinite resources. Probably
// what we should do is test for an active or allocated lease and retry
// if we find one (although it might have already been released by now)
// and fail really hard ("your configuration is a huge broken mess")
// otherwise. But just throw for now since this stuff is all edge-casey.
// Alternatively we could bring resources up in a "BESPOKE" status
// and then switch them to "OPEN" only after the allocating lease gets
// its grubby mitts on the resource. This might make more sense but
// is a bit messy.
throw new Exception(pht('Lost an allocation race?'));
}
}
$blueprint = $resource->getBlueprint();
$blueprint->acquireLease($resource, $lease);
}
