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update_pipeline_details.php
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update_pipeline_details.php
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<?php
//
// update_pipeline_details.php
// ---------------------------
// Pull the details of all nf-core pipelines from GitHub
// and write as JSON to a file.
// This script is called by deploy.php when the GitHub web hooks
// trigger due to an update.
//
// Note that the resulting file (public_html/pipelines.json) is
// ignored in the .gitignore file and will not be tracked in git history.
//
// Manual usage: on command line, simply execute this script:
// $ php update_pipeline_details.php
// Allow PHP fopen to work with remote links
ini_set("allow_url_fopen", 1);
// HTTP header to use on API GET requests
$api_opts = stream_context_create([
'http' => [
'method' => 'GET',
'header' => [
'User-Agent: PHP',
'Accept:application/vnd.github.mercy-preview+json' // Needed to get topics (keywords) for now
]
]
]);
// Function to sort assoc array by key value (name)
function sort_name($a,$b) {
return strcmp($a["full_name"], $b["full_name"]);
}
// Function to sort assoc array by key value (datestamp)
function sort_datestamp($a,$b) {
return strtotime($a['published_at']) - strtotime($b['published_at']);
}
// Initialise the results array with the current time and placeholders
$results = array(
'updated' => time(),
'pipeline_count' => 0,
'published_count' => 0,
'devel_count' => 0,
'archived_count' => 0
);
// Fetch all repositories at nf-core
$gh_api_url = 'https://api.github.com/orgs/nf-core/repos?per_page=100';
$gh_repos = json_decode(file_get_contents($gh_api_url, false, $api_opts));
if(!in_array("HTTP/1.1 200 OK", $http_response_header)){
var_dump($gh_repos);
die("Could not fetch nf-core repositories! $gh_api_url");
}
// Save data from non-ignored repositories
$ignored_repos = parse_ini_file("ignored_repos.ini")['repos'];
$ignored_topics = parse_ini_file("ignored_repos.ini")['topics'];
foreach($gh_repos as $repo){
if(!in_array($repo->name, $ignored_repos)){
$topics = array();
if(!is_null($repo->topics)){
foreach($repo->topics as $topic){
if(!in_array($topic, $ignored_topics)){
$topics[] = $topic;
}
}
}
$results['remote_workflows'][] = array(
'id' => $repo->id,
'name' => $repo->name,
'full_name' => $repo->full_name,
'private' => $repo->private,
'html_url' => $repo->html_url,
'description' => $repo->description,
'topics' => $topics,
'created_at' => $repo->created_at,
'updated_at' => $repo->updated_at,
'pushed_at' => $repo->pushed_at,
'last_release' => 0,
'git_url' => $repo->git_url,
'ssh_url' => $repo->ssh_url,
'clone_url' => $repo->clone_url,
'size' => $repo->size,
'stargazers_count' => $repo->stargazers_count,
'watchers_count' => $repo->watchers_count,
'forks_count' => $repo->forks_count,
'archived' => $repo->archived,
'watchers' => $repo->watchers
);
}
}
// Sort workflows by name
usort($results['remote_workflows'], 'sort_name');
// Get additional release data for each repo
foreach($results['remote_workflows'] as $idx => $repo){
// Fetch release information for this repo
$gh_releases_url = "https://api.github.com/repos/{$repo['full_name']}/releases";
$gh_releases = json_decode(file_get_contents($gh_releases_url, false, $api_opts));
if(!in_array("HTTP/1.1 200 OK", $http_response_header)){
var_dump($gh_releases);
die("Could not fetch nf-core release info! $gh_releases_url");
}
// Save releases to results
$results['remote_workflows'][$idx]['releases'] = [];
foreach($gh_releases as $rel){
$results['remote_workflows'][$idx]['releases'][] = array(
'name' => $rel->name,
'published_at' => $rel->published_at,
'html_url' => $rel->html_url,
'tag_name' => $rel->tag_name,
'tag_sha' => None,
'draft' => $rel->draft,
'prerelease' => $rel->prerelease
);
if(strtotime($rel->published_at) > strtotime($results['remote_workflows'][$idx]['last_release'])){
$results['remote_workflows'][$idx]['last_release'] = $rel->published_at;
}
}
if(count($results['remote_workflows'][$idx]['releases']) > 0){
// Sort releases by date, descending
usort($results['remote_workflows'][$idx]['releases'], 'sort_datestamp');
// Get commit hash information for each release
$gh_tags_url = "https://api.github.com/repos/{$repo['full_name']}/tags";
$gh_tags = json_decode(file_get_contents($gh_tags_url, false, $api_opts));
if(!in_array("HTTP/1.1 200 OK", $http_response_header)){
var_dump($gh_tags);
die("Could not fetch nf-core tags info! $gh_tags_url");
}
foreach($gh_tags as $tag){
foreach($results['remote_workflows'][$idx]['releases'] as $relidx => $rel){
if($tag->name == $rel['tag_name']){
$results['remote_workflows'][$idx]['releases'][$relidx]['tag_sha'] = $tag->commit->sha;
}
}
}
}
}
// Count workflows
foreach($results['remote_workflows'] as $repo){
$results['pipeline_count']++;
if($repo['archived']){
$results['archived_count']++;
} else if(count($repo['releases']) > 0){
$results['published_count']++;
} else {
$results['devel_count']++;
}
}
// Print results to a file
$results_json = json_encode($results, JSON_PRETTY_PRINT)."\n";
$results_fn = dirname(__FILE__).'/public_html/pipelines.json';
file_put_contents($results_fn, $results_json)
?>