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Commit f1892912 by Gregory Nagy
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Refomated code using pep8 conventions. 

manage.py: error handling added
parent 99be2c47
Showing with 29 additions and 37 deletions
manage.py
import sys import sys
from src import cnfparse, client, collectables from src import cnfparse, client, collectables
def main():
if (len(sys.argv)<2): def main():
if len(sys.argv) < 2:
print("usage: manage.py run [options]") print("usage: manage.py run [options]")
print("""
options:
--config <path> : path to the configuration file you intend
to start the client with
--debug : enables the debug mode and writes metrics sent to the
server
""")
if (len(sys.argv)==2 and sys.argv[1]=="run"): if len(sys.argv) is not 2 and sys.argv[1] is not "run":
configuration, metrics = cnfparse.importConf("config/client.conf") print("[ERROR] Command cannot be parsed. Exiting...")
return
configuration, metrics = cnfparse.importConf("config/client.conf")
cli = client.Client(configuration) cli = client.Client(configuration)
cli.startReporting(metricCollectors = cli.startReporting(metricCollectors=
collectables.collectables.provide(metrics)) collectables.collectables.provide(metrics))
if __name__ == "__main__": if __name__ == "__main__":
main() main()
src/metrics.py
...@@ -8,9 +8,9 @@ import collections ...@@ -8,9 +8,9 @@ import collections
Metrics = collections.namedtuple("Metrics", ["name", "value"]) Metrics = collections.namedtuple("Metrics", ["name", "value"])
class Collection (object): class Collection(object):
class Group (object): class Group(object):
class Metric (object): class Metric(object):
name = "unknown" name = "unknown"
collector_function = 0 collector_function = 0
collector_function_arguments = {} collector_function_arguments = {}
...@@ -18,66 +18,62 @@ class Collection (object): ...@@ -18,66 +18,62 @@ class Collection (object):
@classmethod @classmethod
def harvest(cls): def harvest(cls):
query = cls.collector_function.im_func(**cls.collector_function_arguments) query = cls.collector_function.im_func(
**cls.collector_function_arguments)
if ((isinstance(query, list)) or (isinstance(query, dict))): if ((isinstance(query, list)) or (isinstance(query, dict))):
return Metrics(cls.name, return Metrics(cls.name,
query[cls.collector_function_result_attr]) query[cls.collector_function_result_attr])
elif (isinstance(query, tuple)): elif (isinstance(query, tuple)):
return Metrics(cls.name, return Metrics(cls.name,
query.__getattribute__(cls.collector_function_result_attr)) query.__getattribute__(
cls.collector_function_result_attr))
else: else:
return Metrics(cls.name, query) return Metrics(cls.name, query)
############################################################################## ##############################################################################
class std (Collection): class std(Collection):
class cpu(Collection.Group):
class cpu (Collection.Group): class usage(Collection.Group.Metric):
class usage (Collection.Group.Metric):
name = "cpu.usage" name = "cpu.usage"
collector_function = ps.cpu_percent collector_function = ps.cpu_percent
collector_function_arguments = { collector_function_arguments = {
'interval': 0.0, 'interval': 0.0,
} }
class memory (Collection.Group): class memory(Collection.Group):
class usage(Collection.Group.Metric): class usage(Collection.Group.Metric):
name = "memory.usage" name = "memory.usage"
collector_function = ps.virtmem_usage collector_function = ps.virtmem_usage
collector_function_result_attr = "percent" collector_function_result_attr = "percent"
class swap (Collection.Group): class swap(Collection.Group):
class usage(Collection.Group.Metric): class usage(Collection.Group.Metric):
name = "swap.usage" name = "swap.usage"
collector_function = ps.swap_memory collector_function = ps.swap_memory
collector_function_result_attr = "percent" collector_function_result_attr = "percent"
class user (Collection.Group): class user(Collection.Group):
class count(Collection.Group.Metric):
class count (Collection.Group.Metric):
name = "user.count" name = "user.count"
@classmethod @classmethod
def harvest(cls): def harvest(cls):
return Metrics(cls.name, len(ps.get_users())) return Metrics(cls.name, len(ps.get_users()))
class network (Collection.Group): class network(Collection.Group):
class packages_sent(Collection.Group.Metric):
class packages_sent (Collection.Group.Metric):
name = "network.packages_sent" name = "network.packages_sent"
collector_function = ps.network_io_counters collector_function = ps.network_io_counters
collector_function_result_attr = "packets_sent" collector_function_result_attr = "packets_sent"
class packages_received (Collection.Group.Metric): class packages_received(Collection.Group.Metric):
name = "network.packages_received" name = "network.packages_received"
collector_function = ps.network_io_counters collector_function = ps.network_io_counters
collector_function_result_attr = "packets_recv" collector_function_result_attr = "packets_recv"
class bytes_sent (Collection.Group.Metric): class bytes_sent(Collection.Group.Metric):
name = "network.bytes_sent" name = "network.bytes_sent"
collector_function = ps.network_io_counters collector_function = ps.network_io_counters
collector_function_result_attr = "bytes_sent" collector_function_result_attr = "bytes_sent"
...@@ -87,8 +83,7 @@ class std (Collection): ...@@ -87,8 +83,7 @@ class std (Collection):
collector_function = ps.network_io_counters collector_function = ps.network_io_counters
collector_function_result_attr = "bytes_recv" collector_function_result_attr = "bytes_recv"
class system (Collection.Group): class system(Collection.Group):
class boot_time(Collection.Group.Metric):
class boot_time (Collection.Group.Metric):
name = "system.boot_time" name = "system.boot_time"
collector_function = ps.get_boot_time collector_function = ps.get_boot_time
\ No newline at end of file
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