- $.ajax('<%=j url_for logcollection %>/<%=j logcollection.files[0][1] %>').
- done(function(data, status, jqxhr) {
- logViewer.filter();
- addToLogViewer(logViewer, data.split("\n"), taskState);
- logViewer.filter(makeFilter());
- generateJobOverview("#log-viewer-overview", logViewer, taskState);
- $("#logloadspinner").detach();
- }).
- fail(function(jqxhr, status, error) {
- $("#logloadspinner").detach();
- });
+ var log_size = <%= logcollection.files[0][2] %>
+ var log_maxbytes = <%= Rails.configuration.log_viewer_max_bytes %>;
+ var logcollection_url = '<%=j url_for logcollection %>/<%=j logcollection.files[0][1] %>';
+ $("#log-viewer-download-url").attr('href', logcollection_url);
+ $("#log-viewer-download-pane").show();
+ var headers = {};
+ if (log_size > log_maxbytes) {
+ headers['Range'] = 'bytes=0-' + log_maxbytes;
+ }
+ var ajax_opts = { dataType: 'text', headers: headers };
+ load_log();
+
+ function load_log() {
+ $.ajax(logcollection_url, ajax_opts).done(done).fail(fail);
+ }
+ function done(data, status, jqxhr) {
+ if (jqxhr.getResponseHeader('Content-Type').indexOf('application/json') === 0) {
+ // The browser won't allow a redirect-with-cookie response
+ // because keep-web isn't same-origin with us. Instead, we
+ // assure keep-web it's OK to respond with the content
+ // immediately by setting the token in the request body
+ // instead and adding disposition=attachment.
+ logcollection_url = JSON.parse(data).href;
+ var queryAt = logcollection_url.indexOf('?api_token=');
+ if (queryAt >= 0) {
+ ajax_opts.method = 'POST';
+ ajax_opts.data = {
+ api_token: logcollection_url.slice(queryAt+11),
+ disposition: 'attachment',
+ };
+ logcollection_url = logcollection_url.slice(0, queryAt);
+ }
+ return load_log();
+ }
+ logViewer.filter();
+ addToJobLogViewer(logViewer, data.split("\n"), taskState);
+ logViewer.filter(makeFilter());
+ content_range_hdr = jqxhr.getResponseHeader('Content-Range');
+ var v = content_range_hdr && content_range_hdr.match(/bytes \d+-(\d+)\/(.+)/);
+ short_log = v && (v[2] == '*' || parseInt(v[1]) + 1 < v[2]);
+ if (jqxhr.status == 206 && short_log) {
+ $("#log-viewer-overview").html(
+ '<p>Showing only ' + data.length + ' bytes of this log.' +
+ ' Timing information is unavailable since' +
+ ' the full log was not retrieved.</p>'
+ );
+ } else {
+ generateJobOverview("#log-viewer-overview", logViewer, taskState);
+ }
+ $("#log-viewer .spinner").detach();
+ }
+ function fail(jqxhr, status, error) {
+ // TODO: tell the user about the error
+ console.log('load_log failed: status='+status+' error='+error);
+ $("#log-viewer .spinner").detach();
+ }