343 lines
12 KiB
Python
343 lines
12 KiB
Python
import argparse
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import datetime
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import json
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import sys
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import time
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import os
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import prettytable
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sys.path.append(os.environ.get('STACKTACH_INSTALL_DIR', '/stacktach'))
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from stacktach import datetime_to_decimal as dt
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from stacktach import image_type
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from stacktach import models
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def make_report(yesterday=None, start_hour=0, hours=24, percentile=97,
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store=False, region=None, too_long=1800):
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if not yesterday:
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yesterday = datetime.datetime.utcnow().date() -\
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datetime.timedelta(days=1)
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rstart = datetime.datetime(year=yesterday.year, month=yesterday.month,
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day=yesterday.day, hour=start_hour)
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rend = rstart + datetime.timedelta(hours=hours-1, minutes=59, seconds=59)
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dstart = dt.dt_to_decimal(rstart)
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dend = dt.dt_to_decimal(rend)
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too_long_col = '> %d' % (too_long / 60)
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cells = []
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regions = []
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if region:
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region = region.upper()
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deployments = models.Deployment.objects.all()
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for deployment in deployments:
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name = deployment.name.upper()
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if not region or region in name:
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regions.append(deployment.id)
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cells.append(deployment.name)
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if not len(regions):
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print "No regions found for '%s'" % region
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sys.exit(1)
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# Get all the instances that have changed in the last N hours ...
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updates = models.RawData.objects.filter(event='compute.instance.update',
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when__gt=dstart, when__lte=dend,
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deployment__in=regions)\
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.values('instance').distinct()
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expiry = 60 * 60 # 1 hour
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cmds = ['create', 'rebuild', 'rescue', 'resize', 'snapshot']
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requests = models.RawData.objects.filter(when__gt=dstart, when__lte=dend)\
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.exclude(instance=None,
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event='compute.instance.exists')\
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.values('request_id', 'instance')\
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.distinct()
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inst_recs = {}
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for request in requests:
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uuid = request['instance']
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request_id = request['request_id']
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value = inst_recs.get(uuid, [])
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value.append(request_id)
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inst_recs[uuid] = value
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failures = {} # { key : {failure_type: count} }
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durations = {}
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attempts = {}
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for uuid_dict in updates:
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uuid = uuid_dict['instance']
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for req in inst_recs.get(uuid, []):
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raws = models.RawData.objects.filter(request_id=req)\
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.exclude(event='compute.instance.exists')\
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.order_by('when')
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start = None
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err = None
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failure_type = None
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operation = "aux"
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image_type_num = 0
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for raw in raws:
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if not start:
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start = raw.when
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if 'error' in raw.routing_key:
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err = raw
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failure_type = 'http'
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if failure_type != 'state' and raw.old_state != 'error'\
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and raw.state == 'error':
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failure_type = 'state'
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if raw.old_state == 'error' and \
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(not raw.state in ['deleted', 'error']):
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failure_type = None
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for cmd in cmds:
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if cmd in raw.event:
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operation = cmd
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break
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if raw.image_type:
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image_type_num |= raw.image_type
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# Get image (base or snapshot) from image_type bit field
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image = "?"
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if image_type.isset(image_type_num, image_type.BASE_IMAGE):
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image = "base"
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if image_type.isset(image_type_num, image_type.SNAPSHOT_IMAGE):
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image = "snap"
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#Get os_type from image_type bit field
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os_type = "?"
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if image_type.isset(image_type_num, image_type.LINUX_IMAGE):
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os_type = "linux"
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if image_type.isset(image_type_num, image_type.WINDOWS_IMAGE):
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os_type = "windows"
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if not start:
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continue
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end = raw.when
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diff = end - start
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if diff > too_long and failure_type is None:
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failure_type = too_long_col
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key = (operation, image, os_type)
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# Track durations for all attempts, good and bad ...
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_durations = durations.get(key, [])
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_durations.append(diff)
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durations[key] = _durations
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attempts[key] = attempts.get(key, 0) + 1
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if failure_type:
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if err:
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queue, body = json.loads(err.json)
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payload = body['payload']
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exc = payload.get('exception')
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if exc:
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code = int(exc.get('kwargs', {}).get('code', 0))
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if code >= 400 and code < 500:
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failure_type = "4xx"
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if code >= 500 and code < 600:
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failure_type = "5xx"
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breakdown = failures.get(key, {})
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breakdown[failure_type] = breakdown.get(failure_type, 0) + 1
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failures[key] = breakdown
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# Summarize the results ...
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report = []
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pct = (float(100 - percentile) / 2.0) / 100.0
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details = {'percentile': percentile, 'pct': pct, 'hours': hours,
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'start': float(dstart), 'end': float(dend), 'region': region,
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'cells': cells}
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report.append(details)
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failure_types = ["4xx", "5xx", too_long_col, "state"]
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cols = ["Operation", "Image", "OS Type", "Min", "Max", "Med", "%d%%" % percentile,
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"Requests"]
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for failure_type in failure_types:
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cols.append("%s" % failure_type)
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cols.append("%% %s" % failure_type)
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report.append(cols)
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total = 0
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failure_totals = {}
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for key, count in attempts.iteritems():
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total += count
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operation, image, os_type = key
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breakdown = failures.get(key, {})
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this_failure_pair = []
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for failure_type in failure_types:
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# Failure counts for this attempt.
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# Sum for grand totals.
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failure_count = breakdown.get(failure_type, 0)
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failure_totals[failure_type] = \
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failure_totals.get(failure_type, 0) + failure_count
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# Failure percentage for this attempt.
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percentage = float(failure_count) / float(count)
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this_failure_pair.append((failure_count, percentage))
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# N-th % of durations ...
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_values = durations[key]
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_values.sort()
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_min = 99999999
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_max = 0
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_total = 0.0
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for value in _values:
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_min = min(_min, value)
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_max = max(_max, value)
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_total += float(value)
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_num = len(_values)
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_avg = float(_total) / float(_num)
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half = _num / 2
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_median = _values[half]
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_percentile_index = int((float(percentile) / 100.0) * float(_num))
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_percentile = _values[_percentile_index]
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_fmin = dt.sec_to_str(_min)
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_fmax = dt.sec_to_str(_max)
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_favg = dt.sec_to_str(_avg)
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_fmedian = dt.sec_to_str(_median)
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_fpercentile = dt.sec_to_str(_percentile)
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row = [operation, image, os_type, _fmin, _fmax, _fmedian, _fpercentile, count]
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for failure_count, failure_percentage in this_failure_pair:
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row.append(failure_count)
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row.append(failure_percentage)
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report.append(row)
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details['total'] = total
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failure_grand_total = 0
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for failure_type in failure_types:
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failure_total = failure_totals.get(failure_type, 0)
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failure_grand_total += failure_total
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details["%s failure count" % failure_type] = failure_total
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failure_percentage = (float(failure_total)/float(total)) * 100.0
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details["%s failure percentage" % failure_type] = failure_percentage
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details['failure_grand_total'] = failure_grand_total
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details['failure_grand_rate'] = (float(failure_grand_total)/float(total)) * 100.0
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return (rstart, rend, report)
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def valid_date(date):
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try:
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t = time.strptime(date, "%Y-%m-%d")
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return datetime.datetime(*t[:6])
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except Exception:
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raise argparse.ArgumentTypeError(
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"'%s' is not in YYYY-MM-DD format." % date)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser('StackTach Nova Usage Summary Report')
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parser.add_argument('--utcdate',
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help='Report start date YYYY-MM-DD. Default yesterday midnight.',
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type=valid_date, default=None)
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parser.add_argument('--region',
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help='Report Region. Default is all regions.', default=None)
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parser.add_argument('--hours',
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help='Report span in hours. Default: 24', default=24,
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type=int)
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parser.add_argument('--days_back',
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help='Report start date. N days back from now. Default: 0', default=0,
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type=int)
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parser.add_argument('--hours_back',
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help='Report start date. N hours back from now. Default: 0', default=0,
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type=int)
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parser.add_argument('--start_hour',
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help='Starting hour 0-23. Default: 0', default=0,
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type=int)
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parser.add_argument('--percentile',
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help='Percentile for timings. Default: 97', default=97,
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type=int)
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parser.add_argument('--too_long',
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help='Seconds for an operation to fail. Default: 1800 (30min)', default=1800,
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type=int)
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parser.add_argument('--store',
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help='Store report in database. Default: False',
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default=False, action="store_true")
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parser.add_argument('--silent',
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help="Do not show summary report. Default: False",
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default=False, action="store_true")
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args = parser.parse_args()
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yesterday = args.utcdate
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days_back = args.days_back
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hours_back = args.hours_back
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percentile = args.percentile
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hours = args.hours
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start_hour = args.start_hour
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store_report = args.store
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region = args.region
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too_long = args.too_long
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if (not yesterday) and days_back > 0:
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yesterday = datetime.datetime.utcnow().date() - \
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datetime.timedelta(days=days_back)
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if (not yesterday) and hours_back > 0:
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yesterday = datetime.datetime.utcnow() - \
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datetime.timedelta(hours=hours_back)
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yesterday = yesterday.replace(minute=0, second=0, microsecond=0)
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start_hour = yesterday.hour
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start, end, raw_report = make_report(yesterday, start_hour, hours,
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percentile, store_report, region,
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too_long)
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details = raw_report[0]
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pct = details['pct']
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region_name = "all"
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if region:
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region_name = region
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if store_report:
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values = {'json': json.dumps(raw_report),
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'created': dt.dt_to_decimal(datetime.datetime.utcnow()),
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'period_start': start,
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'period_end': end,
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'version': 4,
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'name': 'summary for region: %s' % region_name}
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report = models.JsonReport(**values)
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report.save()
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print "Report stored (id=%d)" % report.id
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if args.silent:
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sys.exit(1)
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print "'%s' Report for %s to %s" % (region_name, start, end)
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cols = raw_report[1]
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# Print the results ...
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p = prettytable.PrettyTable(cols)
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for c in cols[2:]:
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p.align[c] = 'r'
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p.sortby = cols[0]
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for row in raw_report[2:]:
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frow = row[:]
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for col in [9, 11, 13, 15]:
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frow[col] = "%.1f%%" % (row[col] * 100.0)
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p.add_row(frow)
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print p
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total = details['total']
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failure_total = details['failure_grand_total']
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failure_rate = details['failure_grand_rate']
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print "Total: %d, Failures: %d, Failure Rate: %.1f%%" % \
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(total, failure_total, failure_rate)
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