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# -*- coding: utf-8 -*- |
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__author__ = 'Kenny Freeman' |
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__email__ = '[email protected]' |
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__license__ = "ISCL" |
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__docformat__ = 'reStructuredText' |
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import sys |
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PY3 = sys.version_info > (3,) |
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from collections import deque |
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import plumd |
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import plumd.plugins |
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from plumd.calc import Differential |
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# -*- coding: utf-8 -*- |
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__author__ = 'Kenny Freeman' |
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__email__ = '[email protected]' |
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__license__ = "ISCL" |
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__docformat__ = 'reStructuredText' |
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import sys |
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PY3 = sys.version_info > (3,) |
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if PY3: |
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import urllib.request as urllib |
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else: |
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import urllib2 as urllib |
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from collections import deque |
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import plumd |
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import plumd.plugins |
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class Nginx(plumd.plugins.Reader): |
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"""Plugin to record nginx stub_status metrics.""" |
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# default config values |
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defaults = { |
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'poll.interval': 10, |
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'url': "/status", # url nginx stub_status is configured for |
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'proto': 'http', # http/https |
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'host': '127.0.0.1', # Nginx server hostname/ip |
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'port': 80, # Nginx server port |
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'timeout': 10 |
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} |
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def __init__(self, log, config): |
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"""Plugin to record nginx stub_status metrics. |
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:param log: A logger |
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:type log: logging.RootLogger |
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:param config: a plumd.config.Conf configuration helper instance. |
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:type config: plumd.config.Conf |
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""" |
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super(Nginx, self).__init__(log, config) |
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self.config.defaults(Nginx.defaults) |
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# Nginx connection |
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proto = self.config.get('proto') |
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host = self.config.get('host') |
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port = self.config.get('port') |
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url = self.config.get('url') |
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self.url = "{0}://{1}:{2}{3}".format(proto, host, port, url) |
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self.timeout = config.get('timeout') |
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def poll(self): |
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"""Query Nginx for metrics. |
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:rtype: ResultSet |
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""" |
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result = plumd.Result("nginx") |
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name = self.name |
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try: |
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ret = urllib.urlopen(self.url, timeout=self.timeout).read() |
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dat_str = None |
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if PY3: |
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dat = deque(ret.decode('utf8').split("\n")) |
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else: |
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dat = deque(ret.split("\n")) |
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ncons = dat.popleft().split()[-1] |
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dat.popleft() |
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hnames = ["accepts", "handled", "requests"] |
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hmetrics = dict(zip(hnames, dat.popleft().split())) |
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rwnames = ["reading", "writing", "waiting"] |
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rwmetrics = dict(zip(rwnames, dat.popleft().split()[1::2])) |
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mfmt = "{0}.{1}" |
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result.add(plumd.Int(mfmt.format(name, "connections"), ncons)) |
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for key, val in hmetrics.items(): |
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result.add(plumd.Int(mfmt.format(name, key), val)) |
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for key, val in rwmetrics.items(): |
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result.add(plumd.Int(mfmt.format(name, key), val)) |
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except Exception as e: |
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self.log.error("Nginx: check failed: {0} : {1}".format(self.url, e)) |
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return plumd.ResultSet([result]) |
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s4z /
plumd
