def _version_check():
current_version = armada_api.get('version')
if not is_valid_response(current_version):
# skip version check since we cannot determinate current version
return
with SyncOpen(VERSION_CACHE_FILE_PATH, 'r+') as f:
data = json.load(f)
displayed_timestamp = data['displayed']
cache_version = data['latest_version']
current_is_newer = StrictVersion(current_version) >= StrictVersion(
cache_version)
if current_is_newer or time.time(
) - DISPLAY_INTERVAL < displayed_timestamp:
return
message = 'You are using armada version {}, however version {} is available. ' \
'You should consider upgrading armada via "bash <(curl -sL http://armada.sh/install)"' \
.format(armada_api.get('version'), data['latest_version'])
print('\n' + message, file=sys.stderr)
data['displayed'] = time.time()
f.seek(0)
f.truncate()
json.dump(data, f)
def _cache_outdated_or_invalid():
try:
with SyncOpen(VERSION_CACHE_FILE_PATH, 'r') as f:
data = json.load(f)
except (IOError, ValueError):
return True
synced_timestamp = data['synced']
return time.time() - SYNC_INTERVAL > synced_timestamp
def main():
version = armada_api.get('version')
if not is_valid_response(version):
# skip sync if we cannot determine current version
return
r = requests.get('http://version.armada.sh/version_check',
data=dict(version=version),
timeout=3)
r.raise_for_status()
data = r.json()
data.update({
'displayed': 0,
'synced': time.time(),
})
with SyncOpen(VERSION_CACHE_FILE_PATH, 'w') as f:
json.dump(data, f)