diff options
Diffstat (limited to 'mirrors')
| -rw-r--r-- | mirrors/utils.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/mirrors/utils.py b/mirrors/utils.py index 0f8fef8..619d5f5 100644 --- a/mirrors/utils.py +++ b/mirrors/utils.py @@ -27,6 +27,7 @@ def annotate_url(url, delays): url.delay = None url.score = None + @cache_function(123) def get_mirror_statuses(cutoff=default_cutoff): cutoff_time = utc_now() - cutoff @@ -81,6 +82,7 @@ def get_mirror_statuses(cutoff=default_cutoff): 'urls': urls, } + @cache_function(117) def get_mirror_errors(cutoff=default_cutoff): cutoff_time = utc_now() - cutoff @@ -96,4 +98,36 @@ def get_mirror_errors(cutoff=default_cutoff): err['country'] = err['url__country'] or err['url__mirror__country'] return errors + +@cache_function(295) +def get_mirror_url_for_download(cutoff=default_cutoff): + '''Find a good mirror URL to use for package downloads. If we have mirror + status data available, it is used to determine a good choice by looking at + the last batch of status rows.''' + cutoff_time = utc_now() - cutoff + status_data = MirrorLog.objects.filter( + check_time__gte=cutoff_time).aggregate( + Max('check_time'), Max('last_sync')) + if status_data: + min_check_time = status_data['check_time__max'] - timedelta(minutes=5) + min_sync_time = status_data['last_sync__max'] - timedelta(minutes=30) + best_logs = MirrorLog.objects.filter(is_success=True, + check_time__gte=min_check_time, last_sync__gte=min_sync_time, + url__mirror__public=True, url__mirror__active=True, + url__protocol__protocol__iexact='HTTP').order_by( + 'duration')[:1] + if best_logs: + return MirrorUrl.objects.get(id=best_logs[0].url_id) + + mirror_urls = MirrorUrl.objects.filter( + mirror__public=True, mirror__active=True, + protocol__protocol__iexact='HTTP') + # look first for an 'Any' URL, then fall back to any HTTP URL + filtered_urls = mirror_urls.filter(mirror__country='Any')[:1] + if not filtered_urls: + filtered_urls = mirror_urls[:1] + if not filtered_urls: + return None + return filtered_urls[0] + # vim: set ts=4 sw=4 et: |