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HarbormasterCircleCIBuildStepImplementation.php
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Sat, Jan 11, 12:17

HarbormasterCircleCIBuildStepImplementation.php
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<?php
final class HarbormasterCircleCIBuildStepImplementation
extends HarbormasterBuildStepImplementation {
public function getName() {
return pht('Build with CircleCI');
}
public function getGenericDescription() {
return pht('Trigger a build in CircleCI.');
}
public function getBuildStepGroupKey() {
return HarbormasterExternalBuildStepGroup::GROUPKEY;
}
public function getDescription() {
return pht('Run a build in CircleCI.');
}
public function getEditInstructions() {
$hook_uri = '/harbormaster/hook/circleci/';
$hook_uri = PhabricatorEnv::getProductionURI($hook_uri);
return pht(<<<EOTEXT
WARNING: This build step is new and experimental!
To build **revisions** with CircleCI, they must:
- belong to a tracked repository;
- the repository must have a Staging Area configured;
- the Staging Area must be hosted on GitHub; and
- you must configure the webhook described below.
To build **commits** with CircleCI, they must:
- belong to a repository that is being imported from GitHub; and
- you must configure the webhook described below.
Webhook Configuration
=====================
Add this webhook to your `circle.yml` file to make CircleCI report results
to Harbormaster. Until you install this hook, builds will hang waiting for
a response from CircleCI.
```lang=yml
notify:
webhooks:
- url: %s
```
Environment
===========
These variables will be available in the build environment:
| Variable | Description |
|----------|-------------|
| `HARBORMASTER_BUILD_TARGET_PHID` | PHID of the Build Target.
EOTEXT
,
$hook_uri);
}
public static function getGitHubPath($uri) {
$uri_object = new PhutilURI($uri);
$domain = $uri_object->getDomain();
if (!strlen($domain)) {
$uri_object = new PhutilGitURI($uri);
$domain = $uri_object->getDomain();
}
$domain = phutil_utf8_strtolower($domain);
switch ($domain) {
case 'github.com':
case 'www.github.com':
return $uri_object->getPath();
default:
return null;
}
}
public function execute(
HarbormasterBuild $build,
HarbormasterBuildTarget $build_target) {
$viewer = PhabricatorUser::getOmnipotentUser();
$buildable = $build->getBuildable();
$object = $buildable->getBuildableObject();
$object_phid = $object->getPHID();
if (!($object instanceof HarbormasterCircleCIBuildableInterface)) {
throw new Exception(
pht(
'Object ("%s") does not implement interface "%s". Only objects '.
'which implement this interface can be built with CircleCI.',
$object_phid,
'HarbormasterCircleCIBuildableInterface'));
}
$github_uri = $object->getCircleCIGitHubRepositoryURI();
$build_type = $object->getCircleCIBuildIdentifierType();
$build_identifier = $object->getCircleCIBuildIdentifier();
$path = self::getGitHubPath($github_uri);
if ($path === null) {
throw new Exception(
pht(
'Object ("%s") claims "%s" is a GitHub repository URI, but the '.
'domain does not appear to be GitHub.',
$object_phid,
$github_uri));
}
$path_parts = trim($path, '/');
$path_parts = explode('/', $path_parts);
if (count($path_parts) < 2) {
throw new Exception(
pht(
'Object ("%s") claims "%s" is a GitHub repository URI, but the '.
'path ("%s") does not have enough components (expected at least '.
'two).',
$object_phid,
$github_uri,
$path));
}
list($github_namespace, $github_name) = $path_parts;
$github_name = preg_replace('(\\.git$)', '', $github_name);
$credential_phid = $this->getSetting('token');
$api_token = id(new PassphraseCredentialQuery())
->setViewer($viewer)
->withPHIDs(array($credential_phid))
->needSecrets(true)
->executeOne();
if (!$api_token) {
throw new Exception(
pht(
'Unable to load API token ("%s")!',
$credential_phid));
}
// When we pass "revision", the branch is ignored (and does not even need
// to exist), and only shows up in the UI. Use a cute string which will
// certainly never break anything or cause any kind of problem.
$ship = "\xF0\x9F\x9A\xA2";
$branch = "{$ship}Harbormaster";
$token = $api_token->getSecret()->openEnvelope();
$parts = array(
'https://circleci.com/api/v1/project',
phutil_escape_uri($github_namespace),
phutil_escape_uri($github_name)."?circle-token={$token}",
);
$uri = implode('/', $parts);
$data_structure = array();
switch ($build_type) {
case 'tag':
$data_structure['tag'] = $build_identifier;
break;
case 'revision':
$data_structure['revision'] = $build_identifier;
break;
default:
throw new Exception(
pht(
'Unknown CircleCI build type "%s". Expected "%s" or "%s".',
$build_type,
'tag',
'revision'));
}
$data_structure['build_parameters'] = array(
'HARBORMASTER_BUILD_TARGET_PHID' => $build_target->getPHID(),
);
$json_data = phutil_json_encode($data_structure);
$future = id(new HTTPSFuture($uri, $json_data))
->setMethod('POST')
->addHeader('Content-Type', 'application/json')
->addHeader('Accept', 'application/json')
->setTimeout(60);
$this->resolveFutures(
$build,
$build_target,
array($future));
$this->logHTTPResponse($build, $build_target, $future, pht('CircleCI'));
list($status, $body) = $future->resolve();
if ($status->isError()) {
throw new HarbormasterBuildFailureException();
}
$response = phutil_json_decode($body);
$build_uri = idx($response, 'build_url');
if (!$build_uri) {
throw new Exception(
pht(
'CircleCI did not return a "%s"!',
'build_url'));
}
$target_phid = $build_target->getPHID();
// Write an artifact to create a link to the external build in CircleCI.
$api_method = 'harbormaster.createartifact';
$api_params = array(
'buildTargetPHID' => $target_phid,
'artifactType' => HarbormasterURIArtifact::ARTIFACTCONST,
'artifactKey' => 'circleci.uri',
'artifactData' => array(
'uri' => $build_uri,
'name' => pht('View in CircleCI'),
'ui.external' => true,
),
);
id(new ConduitCall($api_method, $api_params))
->setUser($viewer)
->execute();
}
public function getFieldSpecifications() {
return array(
'token' => array(
'name' => pht('API Token'),
'type' => 'credential',
'credential.type'
=> PassphraseTokenCredentialType::CREDENTIAL_TYPE,
'credential.provides'
=> PassphraseTokenCredentialType::PROVIDES_TYPE,
'required' => true,
),
);
}
public function supportsWaitForMessage() {
// NOTE: We always wait for a message, but don't need to show the UI
// control since "Wait" is the only valid choice.
return false;
}
public function shouldWaitForMessage(HarbormasterBuildTarget $target) {
return true;
}
}

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