/**
* Resolves the environment configuration and maps the given servers to the given tasks,
* according to the defined environment.
*
* @param array $environmentOptions Environment options
* @param Environment $environment Environment
* @param Project $project Project
*
* @return Mapping
*/
public function resolve(array $environmentOptions, Environment $environment, Project $project)
{
if (!array_key_exists('servers', $environmentOptions) || empty($environmentOptions['servers'])) {
throw new \DomainException(sprintf("No servers for environment '%s' given", $environment->getName()));
}
if (!array_key_exists('stages', $environmentOptions) || empty($environmentOptions['stages'])) {
throw new \DomainException(sprintf("No stages for environment '%s' given", $environment->getName()));
}
$this->logger->debug(sprintf("Resolving mapping for environment '%s'.", $environment->getName()));
$mapping = new Mapping();
foreach ($environmentOptions['stages'] as $stageName => $stageOptions) {
foreach ($stageOptions as $taskName => $taskOptions) {
$stage = $environment->getStage($stageName);
$task = $stage->getTask($taskName);
if ($task instanceof LocalTask) {
$this->logger->debug(sprintf("Local task '%s' in stage '%s' given. No servers will be added.", $taskName, $stageName));
$mapping->add($stage, $task);
continue;
}
if (array_key_exists('servers', $taskOptions)) {
foreach ($taskOptions['servers'] as $serverName) {
$this->logger->debug(sprintf("Adding server '%s' to task '%s' in stage '%s'.", $serverName, $taskName, $stageName));
$mapping->add($stage, $task, $project->getServer($serverName));
}
} else {
foreach ($environmentOptions['servers'] as $serverName) {
$this->logger->debug(sprintf("Adding server '%s' to task '%s' in stage '%s'.", $serverName, $taskName, $stageName));
$mapping->add($stage, $task, $project->getServer($serverName));
}
}
}
}
return $mapping;
}
/**
* Builds an environment.
*
* @param string $name Name
* @param array $environment Environment
* @param Project $project Project instance
*
* @return Environment
*/
public function build($name, array $environment, Project $project)
{
Assertion::string($name);
$this->logger->debug(sprintf("Building environment '%s'", $name));
if (empty($environment)) {
throw new \DomainException(sprintf("No configuration for environment '%s' given", $name));
}
if (!array_key_exists('servers', $environment) || empty($environment['servers'])) {
throw new \DomainException(sprintf("No servers for environment '%s' given", $name));
}
if (!array_key_exists('stages', $environment) || empty($environment['stages'])) {
throw new \DomainException(sprintf("No stages for environment '%s' given", $name));
}
$this->tasks = $project->getTasks();
$this->logger->debug("Creating environment instance.");
$options = $environment;
$environment = new Environment($name);
if (array_key_exists('config', $options)) {
$this->logger->debug("Config section given. Hydrating config instance.");
$environment->getConfig()->merge(new Config($options['config']));
} else {
$this->logger->debug("No config section given.");
}
foreach ($options['stages'] as $name => $stage) {
if (!$stage) {
throw new \DomainException(sprintf("No tasks for stage '%s' in environment '%s' given", $name, $environment->getName()));
}
$environment->addStage($this->buildStage($name, $stage));
}
$this->logger->debug(sprintf("Resolving task/server mapping."));
$environment->setMapping($this->mappingResolver->resolve($options, $environment, $project));
return $environment;
}
/**
* Prints an configured environment.
*
* @param Environment $environment Environment
* @param OutputInterface $output Output
*
* @return null
*/
private function printEnvironment(Environment $environment, OutputInterface $output)
{
$output->writeln('+-----');
$output->writeln(sprintf('| Environment: <info>%s</info>', $environment->getName()));
$table = new Table($output);
$table->addRow(array('Stage', 'Order', 'Name', 'Task', 'Server'));
$mapping = $environment->getMapping();
foreach ($environment->getStages() as $stage) {
$sequence = 1;
$table->addRow(new TableSeparator());
foreach ($stage->getTasks() as $task) {
if ($task instanceof RemoteTask) {
$servers = $this->implodeServerNames($mapping->getServersByTask($stage, $task));
} else {
$servers = '-';
}
$table->addRow(array($stage->getName(), $sequence, $task->getName(), get_class($task), $servers));
$sequence++;
}
}
$table->render();
$output->writeln('');
}