mirror/librenms-librenms
1
0
Fork 0
mirror of https://github.com/librenms/librenms.git synced 2024-10-07 16:52:45 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Format python code with Black (#12663)

Browse Source
This commit is contained in:
Jellyfrog
2021-03-28 18:02:33 +02:00
committed by GitHub
parent f9b25ccdbc
commit 9946fe8b15
12 changed files with 1295 additions and 586 deletions
Download Patch File Download Diff File Expand all files Collapse all files

173
discovery-wrapper.py
View File

@@ -51,9 +51,9 @@ try:
from optparse import OptionParser
except ImportError as exc:
print('ERROR: missing one or more of the following python modules:')
print('threading, queue, sys, subprocess, time, os, json')
print('ERROR: %s' % exc)
print("ERROR: missing one or more of the following python modules:")
print("threading, queue, sys, subprocess, time, os, json")
print("ERROR: %s" % exc)
sys.exit(2)
APP_NAME = "discovery_wrapper"
@@ -68,9 +68,9 @@ def memc_alive():
try:
global memc
key = str(uuid.uuid4())
memc.set('discovery.ping.' + key, key, 60)
if memc.get('discovery.ping.' + key) == key:
memc.delete('discovery.ping.' + key)
memc.set("discovery.ping." + key, key, 60)
if memc.get("discovery.ping." + key) == key:
memc.delete("discovery.ping." + key)
return True
else:
return False
@@ -106,17 +106,19 @@ def printworker():
global distdisco
if distdisco:
if not IsNode:
memc_touch('discovery.master', 30)
nodes = memc.get('discovery.nodes')
memc_touch("discovery.master", 30)
nodes = memc.get("discovery.nodes")
if nodes is None and not memc_alive():
print("WARNING: Lost Memcached. Taking over all devices. Nodes will quit shortly.")
print(
"WARNING: Lost Memcached. Taking over all devices. Nodes will quit shortly."
)
distdisco = False
nodes = nodeso
if nodes is not nodeso:
print("INFO: %s Node(s) Total" % (nodes))
nodeso = nodes
else:
memc_touch('discovery.nodes', 30)
memc_touch("discovery.nodes", 30)
try:
worker_id, device_id, elapsed_time = print_queue.get(False)
except:
@@ -136,9 +138,15 @@ def printworker():
per_device_duration[device_id] = elapsed_time
discovered_devices += 1
if elapsed_time < 300:
print("INFO: worker %s finished device %s in %s seconds" % (worker_id, device_id, elapsed_time))
print(
"INFO: worker %s finished device %s in %s seconds"
% (worker_id, device_id, elapsed_time)
)
else:
print("WARNING: worker %s finished device %s in %s seconds" % (worker_id, device_id, elapsed_time))
print(
"WARNING: worker %s finished device %s in %s seconds"
% (worker_id, device_id, elapsed_time)
)
print_queue.task_done()
@@ -152,28 +160,48 @@ def poll_worker():
while True:
device_id = poll_queue.get()
# (c) 2015, GPLv3, Daniel Preussker <f0o@devilcode.org> <<<EOC5
if not distdisco or memc.get('discovery.device.' + str(device_id)) is None:
if not distdisco or memc.get("discovery.device." + str(device_id)) is None:
if distdisco:
result = memc.add('discovery.device.' + str(device_id), config['distributed_poller_name'], 300)
result = memc.add(
"discovery.device." + str(device_id),
config["distributed_poller_name"],
300,
)
if not result:
print("This device (%s) appears to be being discovered by another discovery node" % (device_id))
print(
"This device (%s) appears to be being discovered by another discovery node"
% (device_id)
)
poll_queue.task_done()
continue
if not memc_alive() and IsNode:
print("Lost Memcached, Not discovering Device %s as Node. Master will discover it." % device_id)
print(
"Lost Memcached, Not discovering Device %s as Node. Master will discover it."
% device_id
)
poll_queue.task_done()
continue
# EOC5
try:
start_time = time.time()
output = "-d >> %s/discover_device_%s.log" % (log_dir, device_id) if debug else ">> /dev/null"
command = "/usr/bin/env php %s -h %s %s 2>&1" % (discovery_path, device_id, output)
output = (
"-d >> %s/discover_device_%s.log" % (log_dir, device_id)
if debug
else ">> /dev/null"
)
command = "/usr/bin/env php %s -h %s %s 2>&1" % (
discovery_path,
device_id,
output,
)
# TODO: Replace with command_runner
subprocess.check_call(command, shell=True)
elapsed_time = int(time.time() - start_time)
print_queue.put([threading.current_thread().name, device_id, elapsed_time])
print_queue.put(
[threading.current_thread().name, device_id, elapsed_time]
)
except (KeyboardInterrupt, SystemExit):
raise
except:
@@ -181,48 +209,60 @@ def poll_worker():
poll_queue.task_done()
if __name__ == '__main__':
if __name__ == "__main__":
logger = LNMS.logger_get_logger(LOG_FILE, debug=_DEBUG)
install_dir = os.path.dirname(os.path.realpath(__file__))
LNMS.check_for_file(install_dir + '/.env')
LNMS.check_for_file(install_dir + "/.env")
config = json.loads(LNMS.get_config_data(install_dir))
discovery_path = config['install_dir'] + '/discovery.php'
log_dir = config['log_dir']
discovery_path = config["install_dir"] + "/discovery.php"
log_dir = config["log_dir"]
# (c) 2015, GPLv3, Daniel Preussker <f0o@devilcode.org> <<<EOC1
if 'distributed_poller_group' in config:
discovery_group = str(config['distributed_poller_group'])
if "distributed_poller_group" in config:
discovery_group = str(config["distributed_poller_group"])
else:
discovery_group = False
if ('distributed_poller' in config and
'distributed_poller_memcached_host' in config and
'distributed_poller_memcached_port' in config and
config['distributed_poller']):
if (
"distributed_poller" in config
and "distributed_poller_memcached_host" in config
and "distributed_poller_memcached_port" in config
and config["distributed_poller"]
):
try:
import memcache
import uuid
memc = memcache.Client([config['distributed_poller_memcached_host'] + ':' +
str(config['distributed_poller_memcached_port'])])
if str(memc.get("discovery.master")) == config['distributed_poller_name']:
memc = memcache.Client(
[
config["distributed_poller_memcached_host"]
+ ":"
+ str(config["distributed_poller_memcached_port"])
]
)
if str(memc.get("discovery.master")) == config["distributed_poller_name"]:
print("This system is already joined as the discovery master.")
sys.exit(2)
if memc_alive():
if memc.get("discovery.master") is None:
print("Registered as Master")
memc.set("discovery.master", config['distributed_poller_name'], 30)
memc.set("discovery.master", config["distributed_poller_name"], 30)
memc.set("discovery.nodes", 0, 3600)
IsNode = False
else:
print("Registered as Node joining Master %s" % memc.get("discovery.master"))
print(
"Registered as Node joining Master %s"
% memc.get("discovery.master")
)
IsNode = True
memc.incr("discovery.nodes")
distdisco = True
else:
print("Could not connect to memcached, disabling distributed discovery.")
print(
"Could not connect to memcached, disabling distributed discovery."
)
distdisco = False
IsNode = False
except SystemExit:
@@ -249,8 +289,13 @@ if __name__ == '__main__':
usage = "usage: %prog [options] <workers> (Default: 1 Do not set too high)"
description = "Spawn multiple discovery.php processes in parallel."
parser = OptionParser(usage=usage, description=description)
parser.add_option('-d', '--debug', action='store_true', default=False,
help="Enable debug output. WARNING: Leaving this enabled will consume a lot of disk space.")
parser.add_option(
"-d",
"--debug",
action="store_true",
default=False,
help="Enable debug output. WARNING: Leaving this enabled will consume a lot of disk space.",
)
(options, args) = parser.parse_args()
debug = options.debug
@@ -269,12 +314,23 @@ if __name__ == '__main__':
"""
# (c) 2015, GPLv3, Daniel Preussker <f0o@devilcode.org> <<<EOC2
if discovery_group is not False:
query = "select device_id from devices where poller_group IN(" + discovery_group + ") and disabled = 0 order by last_polled_timetaken desc"
query = (
"select device_id from devices where poller_group IN("
+ discovery_group
+ ") and disabled = 0 order by last_polled_timetaken desc"
)
else:
query = "select device_id from devices where disabled = 0 order by last_polled_timetaken desc"
# EOC2
db = LNMS.db_open(config['db_socket'], config['db_host'], int(config['db_port']), config['db_user'], config['db_pass'], config['db_name'])
db = LNMS.db_open(
config["db_socket"],
config["db_host"],
int(config["db_port"]),
config["db_user"],
config["db_pass"],
config["db_name"],
)
cursor = db.cursor()
cursor.execute(query)
devices = cursor.fetchall()
@@ -293,9 +349,10 @@ if __name__ == '__main__':
poll_queue = queue.Queue()
print_queue = queue.Queue()
print("INFO: starting the discovery at %s with %s threads, slowest devices first" % (
time.strftime("%Y-%m-%d %H:%M:%S"),
amount_of_workers))
print(
"INFO: starting the discovery at %s with %s threads, slowest devices first"
% (time.strftime("%Y-%m-%d %H:%M:%S"), amount_of_workers)
)
for device_id in devices_list:
poll_queue.put(device_id)
@@ -317,13 +374,15 @@ if __name__ == '__main__':
total_time = int(time.time() - s_time)
print("INFO: discovery-wrapper polled %s devices in %s seconds with %s workers" % (
discovered_devices, total_time, amount_of_workers))
print(
"INFO: discovery-wrapper polled %s devices in %s seconds with %s workers"
% (discovered_devices, total_time, amount_of_workers)
)
# (c) 2015, GPLv3, Daniel Preussker <f0o@devilcode.org> <<<EOC6
if distdisco or memc_alive():
master = memc.get("discovery.master")
if master == config['distributed_poller_name'] and not IsNode:
if master == config["distributed_poller_name"] and not IsNode:
print("Wait for all discovery-nodes to finish")
nodes = memc.get("discovery.nodes")
while nodes is not None and nodes > 0:
@@ -335,7 +394,7 @@ if __name__ == '__main__':
print("Clearing Locks")
x = minlocks
while x <= maxlocks:
memc.delete('discovery.device.' + str(x))
memc.delete("discovery.device." + str(x))
x = x + 1
print("%s Locks Cleared" % x)
print("Clearing Nodes")
@@ -349,17 +408,29 @@ if __name__ == '__main__':
show_stopper = False
if total_time > 21600:
print("WARNING: the process took more than 6 hours to finish, you need faster hardware or more threads")
print("INFO: in sequential style discovery the elapsed time would have been: %s seconds" % real_duration)
print(
"WARNING: the process took more than 6 hours to finish, you need faster hardware or more threads"
)
print(
"INFO: in sequential style discovery the elapsed time would have been: %s seconds"
% real_duration
)
for device in per_device_duration:
if per_device_duration[device] > 3600:
print("WARNING: device %s is taking too long: %s seconds" % (device, per_device_duration[device]))
print(
"WARNING: device %s is taking too long: %s seconds"
% (device, per_device_duration[device])
)
show_stopper = True
if show_stopper:
print("ERROR: Some devices are taking more than 3600 seconds, the script cannot recommend you what to do.")
print(
"ERROR: Some devices are taking more than 3600 seconds, the script cannot recommend you what to do."
)
else:
recommend = int(total_time / 300.0 * amount_of_workers + 1)
print(
"WARNING: Consider setting a minimum of %d threads. (This does not constitute professional advice!)" % recommend)
"WARNING: Consider setting a minimum of %d threads. (This does not constitute professional advice!)"
% recommend
)
sys.exit(2)