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import requests
from lib.log import log
class VarnishPurger(object):
def __init__(self, cfg):
self.cfg = cfg
def purge(self, purges):
if not len(purges):
return
if not self.cfg.has_option('varnish', 'purgeurl'):
return
purgeurl = self.cfg.get('varnish', 'purgeurl')
exprlist = []
for p in purges:
if isinstance(p, tuple):
# Purging a list
exprlist.append('obj.http.x-pglm ~ :%s/%s/%s:' % p)
else:
# Purging individual thread
exprlist.append('obj.http.x-pgthread ~ :%s:' % p)
purgedict = dict(list(zip(['p%s' % n for n in range(0, len(exprlist))], exprlist)))
purgedict['n'] = len(exprlist)
r = requests.post(purgeurl, data=purgedict, headers={
'Content-type': 'application/x-www-form-urlencoded',
'Host': 'www.postgresql.org',
})
if r.status_code != 200:
log.error("Failed to send purge request!")
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