ctrl2cgi: account wait and http times separately
Save and propagate separate timestamp for HTTP request duration to distinguish between time spent waiting on connection limit availability from actual http request time. Change-Id: I14d1db5206864ac9ab7c64f96f67139113ab3fcf Related: SYS#4399
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@ -22,7 +22,7 @@
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*/
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"""
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__version__ = "0.0.8" # bump this on every non-trivial change
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__version__ = "0.0.9" # bump this on every non-trivial change
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import argparse, os, logging, logging.handlers, datetime
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import hashlib
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@ -39,13 +39,22 @@ from osmopy.osmo_ipa import Ctrl
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# we don't support older versions of TwistedIPA module
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assert V(twisted_ipa_version) > V('0.4')
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def log_duration(log, bid, ts, ts_http):
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"""
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Log human-readable duration from timestamps
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"""
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base = datetime.datetime.now()
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delta_t = datetime.timedelta(seconds = (base - ts).total_seconds())
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delta_h = datetime.timedelta(seconds = (base - ts_http).total_seconds())
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delta_w = delta_t - delta_h
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log.debug('Request for BSC %s took %s total (%s wait, %s http)' % (bid, delta_t, delta_w, delta_h))
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def handle_reply(ts, bid, f, log, resp):
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def handle_reply(ts, ts_http, bid, f, log, resp):
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"""
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Reply handler: process raw CGI server response, function f to run for each command
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"""
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decoded = json.loads(resp.decode('utf-8'))
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log.debug('request for BSC %s took %d seconds' % (bid, (datetime.datetime.now() - ts).total_seconds()))
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log_duration(log, bid, ts, ts_http)
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comm_proc(decoded.get('commands'), bid, f, log)
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def gen_hash(params, skey):
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@ -63,7 +72,7 @@ def gen_hash(params, skey):
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def make_async_req(ts, dst, par, f_write, f_log, tout):
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d = post(dst, par, timeout=tout)
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d.addCallback(collect, partial(handle_reply, ts, par['bsc_id'], f_write, f_log)) # treq's collect helper is handy to get all reply content at once
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d.addCallback(collect, partial(handle_reply, ts, datetime.datetime.now(), par['bsc_id'], f_write, f_log))
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d.addErrback(lambda e: f_log.critical("HTTP POST error %s while trying to register BSC %s on %s (timeout %d)" % (repr(e), par['bsc_id'], dst, tout))) # handle HTTP errors
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return d
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