def main():
f = "../device_list.yml"
devices = cfg_load(f)
if(devices is None):
logger.error("Config file '%s' read error " % f)
exit(1)
logger.debug("\nStarted: %s" % (datetime.now()))
# Create a queue for communication with child processes
msg_queue = mp.Queue()
# To execute command in parallel on multiple devices
# create a separate (child) process for each device
jobs = []
for device in devices:
p = mp.Process(target=get_version, args=(device, msg_queue))
jobs.append(p)
p.start() # Start the process
# Get sub-process results from the output queue
results = []
for p in jobs:
results.append(msg_queue.get())
# Wait until all processes have terminated (making sure all
# child processes have been terminated, no zombies left)
for p in jobs:
p.join()
show_results(results)
logger.debug("\nEnded: %s" % (datetime.now()))
def main():
f = "../device_list.yml"
devices = cfg_load(f)
if(devices is None):
print("Config file '%s' read error: " % f)
exit()
print "TBD"
def dispatch_command(cfg_file, cmd_string, read_delay=1):
"""
Execute command on multiple devices, going one by one,
collect and returns results.
:param str cfg_file: path to the configuration file containing
list of target devices.
:param str cmd_string: CLI command to be executed.
:param int read_delay: time to wait for the CLI command to complete.
:return: command execution results collected from all the devices
"""
devices_info = cfg_load(cfg_file)
if(devices_info is None):
print("Config file '%s' read error " % cfg_load)
exit(1)
results = []
for item in devices_info:
output = execute_command(item, cmd_string, read_delay)
results.append(output)
return results
def dispatch_command(cfg_file, cmd_string, read_delay=1):
"""
Dispatches command for asynchronous execution on multiple devices,
then collects and returns results.
:param str cfg_file: path to the configuration file containing
list of target devices.
:param str cmd_string: CLI command to be executed.
:param int read_delay: time to wait for the CLI command to complete.
:return: command execution results collected from all the devices
"""
devices_info = cfg_load(cfg_file)
if(devices_info is None):
print("Config file '%s' read error " % cfg_load)
exit(1)
# Create a queue for communication with child processes
msg_queue = mp.Queue()
# To execute command in parallel on multiple devices
# create a separate (child) process for each device
jobs = []
for item in devices_info:
p = mp.Process(target=execute_command,
args=(item, cmd_string, read_delay, msg_queue))
jobs.append(p)
p.start() # Start the process
# Get sub-process results from the output queue
results = []
for p in jobs:
results.append(msg_queue.get())
# Wait until all processes have terminated (making sure all
# child processes have been terminated, no zombies left)
for p in jobs:
p.join()
return results
