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<?php
class ContainerLinuxReleasesBridge extends BridgeAbstract {
const MAINTAINER = 'captn3m0';
const NAME = 'Core OS Container Linux Releases Bridge';
const URI = 'https://coreos.com/releases/';
const DESCRIPTION = 'Returns the releases notes for Container Linux';
const STABLE = 'stable';
const BETA = 'beta';
const ALPHA = 'alpha';
const PARAMETERS = [
[
'channel' => [
'name' => 'Release Channel',
'type' => 'list',
'required' => true,
'defaultValue' => self::STABLE,
'values' => [
'Stable' => self::STABLE,
'Beta' => self::BETA,
'Alpha' => self::ALPHA,
],
]
]
];
public function getReleaseFeed($jsonUrl) {
$json = getContents($jsonUrl)
or returnServerError('Could not request Core OS Website.');
return json_decode($json, true);
}
public function collectData() {
$data = $this->getReleaseFeed($this->getJsonUri());
foreach ($data as $releaseVersion => $release) {
$item = [];
$item['uri'] = "https://coreos.com/releases/#$releaseVersion";
$item['title'] = $releaseVersion;
$content = $release['release_notes'];
$content .= <<<EOT
Major Software:
* Kernel: {$release['major_software']['kernel'][0]}
* Docker: {$release['major_software']['docker'][0]}
* etcd: {$release['major_software']['etcd'][0]}
EOT;
$item['timestamp'] = strtotime($release['release_date']);
// Based on https://gist.github.com/jbroadway/2836900
// Links
$regex = '/\[([^\[]+)\]\(([^\)]+)\)/';
$replacement = '<a href=\'\2\'>\1</a>';
$item['content'] = preg_replace($regex, $replacement, $content);
// Headings
$regex = '/^(.*)\:\s?$/m';
$replacement = '<h3>\1</h3>';
$item['content'] = preg_replace($regex, $replacement, $item['content']);
// Lists
$regex = '/\n\s*[\*|\-](.*)/';
$item['content'] = preg_replace_callback ($regex, function($regs) {
$item = $regs[1];
return sprintf ('<ul><li>%s</li></ul>', trim ($item));
}, $item['content']);
$this->items[] = $item;
}
}
private function getJsonUri() {
$channel = $this->getInput('channel');
return "https://coreos.com/releases/releases-$channel.json";
}
public function getURI() {
return self::URI;
}
public function getName(){
if(!is_null($this->getInput('channel'))) {
return 'Container Linux Releases: ' . $this->getInput('channel') . ' Channel';
}
return parent::getName();
}
}
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