114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
import pkgutil
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import textwrap
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from orchestra.contrib.resources import ServiceMonitor
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from .. import settings
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class ApacheTrafficByHost(ServiceMonitor):
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"""
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Parses apache logs,
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looking for the size of each request on the last word of the log line.
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Compatible log format:
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<tt>LogFormat "%h %l %u %t \"%r\" %>s %O %{Host}i" host</tt>
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<tt>CustomLog /home/pangea/logs/apache/host_blog.pangea.org.log host</tt>
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"""
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model = 'saas.SaaS'
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script_executable = '/usr/bin/python'
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monthly_sum_old_values = True
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abstract = True
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def prepare(self):
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access_log = self.log_path
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context = {
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'access_logs': str((access_log, access_log+'.1')),
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'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"),
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'ignore_hosts': str(settings.SAAS_TRAFFIC_IGNORE_HOSTS),
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}
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self.append(textwrap.dedent("""\
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import sys
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from datetime import datetime
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from dateutil import tz
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def to_local_timezone(date, tzlocal=tz.tzlocal()):
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date = datetime.strptime(date, '%Y-%m-%d %H:%M:%S %Z')
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date = date.replace(tzinfo=tz.tzutc())
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date = date.astimezone(tzlocal)
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return date
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# Use local timezone
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end_date = to_local_timezone('{current_date}')
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end_date = int(end_date.strftime('%Y%m%d%H%M%S'))
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access_logs = {access_logs}
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sites = {{}}
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months = {{
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'Jan': '01',
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'Feb': '02',
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'Mar': '03',
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'Apr': '04',
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'May': '05',
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'Jun': '06',
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'Jul': '07',
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'Aug': '08',
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'Sep': '09',
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'Oct': '10',
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'Nov': '11',
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'Dec': '12',
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}}
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def prepare(object_id, site_domain, ini_date):
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global sites
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ini_date = to_local_timezone(ini_date)
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ini_date = int(ini_date.strftime('%Y%m%d%H%M%S'))
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sites[site_domain] = [ini_date, object_id, 0]
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def monitor(sites, end_date, months, access_logs):
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for access_log in access_logs:
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try:
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with open(access_log, 'r') as handler:
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for line in handler.readlines():
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line = line.split()
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host, __, __, date = line[:4]
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if host in {ignore_hosts}:
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continue
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size, hostname = line[-2:]
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try:
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site = sites[hostname]
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except KeyError:
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continue
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else:
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# [16/Sep/2015:11:40:38
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day, month, date = date[1:].split('/')
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year, hour, min, sec = date.split(':')
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date = year + months[month] + day + hour + min + sec
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if site[0] < int(date) < end_date:
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site[2] += int(size)
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except IOError as e:
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sys.stderr.write(str(e)+'\\n')
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for opts in sites.values():
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ini_date, object_id, size = opts
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sys.stdout.write('%s %s\n' % (object_id, size))
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""").format(**context)
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)
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def monitor(self, saas):
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context = self.get_context(saas)
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self.append("prepare(%(object_id)s, '%(site_domain)s', '%(last_date)s')" % context)
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def commit(self):
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self.append('monitor(sites, end_date, months, access_logs)')
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def get_context(self, saas):
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return {
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'site_domain': saas.get_site_domain(),
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'last_date': self.get_last_date(saas.pk).strftime("%Y-%m-%d %H:%M:%S %Z"),
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'object_id': saas.pk,
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}
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for __, module_name, __ in pkgutil.walk_packages(__path__):
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# sorry for the exec(), but Import module function fails :(
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exec('from . import %s' % module_name)
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