performa/performa/modules/omsimulator.py

126 lines
3.2 KiB
Python

#!/usr/bin/python
import os
import tempfile
ATOP_FILE_NAME = os.path.join(tempfile.gettempdir(), 'performa.atop')
UNIQUE_NAME = 'performa_omsimulator'
DIR = '/tmp/performa/oslo.messaging/tools/'
PATTERNS = [
r'(?P<msg_sent>\d+) messages were sent for (?P<duration>\d+) sec',
r'(?P<bytes_sent>\d+) bytes were sent for',
]
TRANSFORM_FIELDS = {
'msg_sent': int,
'bytes_sent': int,
'duration': int,
}
def parse_output(raw):
result = {}
for pattern in PATTERNS:
for parsed in re.finditer(pattern, raw):
result.update(parsed.groupdict())
for k in result.keys():
if k in TRANSFORM_FIELDS:
result[k] = TRANSFORM_FIELDS[k](result[k])
result['msg_sent_bandwidth'] = (result.get('msg_sent', 0) /
result.get('duration', 1))
result['bytes_sent_bandwidth'] = (result.get('bytes_sent', 0) /
result.get('duration', 1))
return result
def chdir(module):
try:
os.chdir(DIR)
except Exception as e:
module.fail_json(msg='Failed to change dir to %s: %s' % (DIR, e))
def start_daemon(module, cmd):
cmd = ('daemon -n %(name)s -D %(dir)s -- %(cmd)s' %
dict(name=UNIQUE_NAME, dir=DIR, cmd=cmd))
rc, stdout, stderr = module.run_command(cmd)
result = dict(changed=True, rc=rc, stdout=stdout, stderr=stderr, cmd=cmd)
if rc:
module.fail_json(msg='Failed to start OMSimulator', **result)
def run(module):
params = module.params
if params['mode'] == 'notify':
server_tool = 'notify-server'
client_tool = 'notify-client'
else:
server_tool = 'rpc-server'
client_tool = 'rpc-client'
params['server_tool'] = server_tool
params['client_tool'] = client_tool
server = ('python simulator.py '
'--url %(url)s '
'%(server_tool)s '
'--show-stats true') % params
client = ('python simulator.py '
'--url=%(url)s '
'-l %(duration)s '
'%(client_tool)s '
'-p %(threads)s ') % params
if params['mode'] == 'cast':
client += '--is-cast True '
if params['mode'] == 'fanout':
client += '--is-fanout True '
start_daemon(module, server)
start = int(time.time())
rc, stdout, stderr = module.run_command(client)
end = int(time.time())
if rc:
module.fail_json(msg='Failed to run omsimulator client', stderr=stderr)
try:
parsed = parse_output(stdout)
parsed['start'] = start
parsed['end'] = end
result = dict(records=[parsed])
module.exit_json(**result)
except Exception as e:
msg = 'Failed to start omsimulator client %s' % e
module.fail_json(msg=msg, rc=rc, stderr=stderr, stdout=stdout)
def main():
module = AnsibleModule(
argument_spec=dict(
mode=dict(required=True,
choices=['call', 'cast', 'fanout', 'notify']),
url=dict(required=True),
threads=dict(type='int', default=10),
duration=dict(type='int', default=10),
))
chdir(module)
run(module)
from ansible.module_utils.basic import * # noqa
if __name__ == '__main__':
main()