diff options
Diffstat (limited to 'VNF_Catalogue/cronjob/github.js')
| -rw-r--r-- | VNF_Catalogue/cronjob/github.js | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/VNF_Catalogue/cronjob/github.js b/VNF_Catalogue/cronjob/github.js new file mode 100644 index 00000000..cc6e35f6 --- /dev/null +++ b/VNF_Catalogue/cronjob/github.js @@ -0,0 +1,159 @@ +// Important Add your access token here default rate of github is limited to 60 API calls per hour +var access_token = '523825265638c8f2b5b9f1d1f5af31d71bceb49c'; +// Important set the delta threshold for repo details updation. For instance if the threshold is +// set to 1 day(60 * 60 * 24), the cronjob will only update the row if the difference between current +// time and last_updated time stamp of a repo is greater than one day +var delta = 60 * 60 * 24; + + +var github = require('octonode'); +db_pool = require('/usr/src/app/database').pool; +async = require('async'); + +var current_time = Math.floor(new Date().getTime() / 1000);//toISOString().slice(0, 19).replace('T', ' '); +console.log(current_time); + +var get_val_from_header = function(header_link) { + // small hack by parsing the header and setting per_page = 1, hence no pagination fetch required + result_intermediate = header_link.split(';'); + result_intermediate = result_intermediate[result_intermediate.length - 2]; + var reg = /&page=([0-9].*)>/g; + var match = reg.exec(result_intermediate); + return parseInt(match[1]); +} + +var get_stargazers = function(result, ghrepo, orig_repo, primary_callback, cb) { + ghrepo.stargazers({per_page: 1}, function(err, data, headers) { + //console.log(JSON.stringify(data)); + try { + result['no_of_stars'] = get_val_from_header(headers['link']); + cb(null, result, ghrepo, orig_repo, primary_callback); + } catch(err) { + result['no_of_stars'] = null; + cb(null, result, ghrepo, orig_repo, primary_callback); + } + }); +} + +var get_branches = function(result, ghrepo, orig_repo, primary_callback, cb) { + ghrepo.branches({per_page: 1}, function(err, data, headers) { + try { + result['versions'] = get_val_from_header(headers['link']); + cb(null, result, ghrepo, orig_repo, primary_callback); + } catch(err) { + result['versions'] = null; + cb(null, result, ghrepo, orig_repo, primary_callback); + } + }); +} + +var get_contributors = function(result, ghrepo, orig_repo, primary_callback, cb) { + ghrepo.contributors({per_page: 1}, function(err, data, headers) { + try { + result['no_of_developers'] = get_val_from_header(headers['link']); + cb(null, result, ghrepo, orig_repo, primary_callback); + } catch(err) { + result['no_of_developers'] = null; + cb(null, result, ghrepo, orig_repo, primary_callback); + } + }); +} + +var get_lines_of_code = function(result, ghrepo, orig_repo, primary_callback, cb) { + // #TODO + console.log('here'); + + console.log(orig_repo); + const + spawn = require( 'child_process' ).spawn, + ls = spawn( 'bash', ['/usr/src/app/git_count_loc.sh', orig_repo] ); + + ls.stdout.on( 'data', data => { + console.log( `stdout: ${data}` ); + result['lines_of_code'] = parseInt(`${data}`.replace(/\n$/, ''), 10); + //cb(null, result, primary_callback); + }); + + ls.stderr.on( 'data', data => { + //console.log( `stderr: ${data}` ); + //cb(null, result, primary_callback); + }); + + ls.on( 'close', code => { + console.log( `child process exited with code ${code}` ); + cb(null, result, primary_callback); + }); +} + +var secondary_callback = function (err, result, primary_callback) { + console.log(result); + if((result['last_updated'] == null) || (current_time - result['last_updated'] > delta)) { + db_pool.getConnection(function(err, connection) { + //Use the connection + var last_updated = current_time; + var no_of_stars = result['no_of_stars']; + var versions = result['versions']; + var no_of_developers = result['no_of_developers']; + var lines_of_code = result['lines_of_code']; + console.log('here'); + console.log(lines_of_code); + sql_query = 'update vnf set last_updated = FROM_UNIXTIME(' + last_updated; + sql_query += '), no_of_stars = ' + no_of_stars + ', versions = ' + versions; + sql_query += ', lines_of_code = ' + lines_of_code; + sql_query += ', no_of_developers = ' + no_of_developers + ' where vnf_id = '; + sql_query += result['vnf_id']; + console.log(sql_query); + connection.query(sql_query, function (error, results, fields) { + //if (error) throw error; + //And done with the connection. + connection.release(); + if(error) { + primary_callback(null, result['vnf_id'] + ' not updated'); + } else { + primary_callback(null, result['vnf_id'] + ' updated'); + } + // Handle error after the release. + // Don't use the connection here, it has been returned to the pool. + }); + }); + } else { + primary_callback(null, result['vnf_id'] + ' not updated'); + } +} + +var get_stats = function(vnf_details, callback) { + repo = vnf_details['repo_url']; + orig_repo = repo; + repo = repo.split("/"); + github_id = repo[repo.length - 2] + '/' + repo[repo.length - 1]; + + var async = require('async'); + var client = github.client(access_token); + var ghrepo = client.repo(github_id); + + result = {} + result['vnf_id'] = vnf_details['vnf_id']; + result['last_updated'] = vnf_details['last_updated']; + + async.waterfall([ + async.apply(get_stargazers, result, ghrepo, orig_repo, callback), + get_branches, + get_contributors, + get_lines_of_code, + ], secondary_callback); +} + +db_pool.getConnection(function(err, connection) { + sql_query = 'select vnf_id, repo_url, UNIX_TIMESTAMP(last_updated) last_updated from vnf'; + console.log(sql_query); + connection.query(sql_query, function (error, results, fields) { + if (error) throw error; + async.map(results, get_stats, function(error, results) { + //console.log(results); + console.log(results); + process.exit(); + + }); + }); +}); + |