modules_configs='../conf.d/',
modules_disabled=[]):
self.first_run = True
- if interval is None:
- interval = 1
self.default_priority = 90000
- # check if plugin directory exists
- if not os.path.isdir(modules_path):
- debug("cannot find charts directory ", modules_path)
- sys.stdout.write("DISABLE\n")
- sys.exit(1)
# set configuration directory
self.configs = modules_configs
# load modules
- self.modules = []
- if len(modules) > 0:
- for m in modules:
- mod = self.import_plugin(modules_path + m + ".chart.py")
- if mod is not None:
- self.modules.append(mod)
- else:
- self.autoload_modules(modules_path)
+ modules = self._load_modules(modules_path,modules)
- # check if there are any modules loaded
- if len(self.modules) == 0:
- debug("cannot find modules", modules_path)
- sys.stdout.write("DISABLE\n")
- sys.exit(1)
-
- # check if loaded modules is on disabled modules list
- for mod in self.modules:
- if mod.__name__ in modules_disabled:
- self.modules.remove(mod)
+ # check if loaded modules are on disabled modules list
+ self.modules = [ m for m in modules if m.__name__ not in modules_disabled ]
# load configuration files
- self.load_configs()
+ self._load_configs()
# set timetable dict (last execution, next execution and frequency)
# set priorities
self.timetable = {}
+ freq = 1
for m in self.modules:
try:
m.priority = int(m.priority)
if interval is None:
try:
- interval = int(m.update_every)
+ freq = int(m.update_every)
except (AttributeError, ValueError):
- interval = 1
+ freq = 1
now = time.time()
self.timetable[m.__name__] = {'last' : now,
- 'next' : now - (now % interval) + interval,
- 'freq' : interval}
+ 'next' : now - (now % freq) + freq,
+ 'freq' : freq}
- def import_plugin(self, path, name=None):
+ def _import_plugin(self, path, name=None):
# try to import module using only its path
if name is None:
name = path.split('/')[-1]
debug(str(e))
return None
- def autoload_modules(self, path):
- # scan directory specified in path and load all modules from there
- # function modifies self.modules
- names = os.listdir(path)
- for mod in names:
- m = self.import_plugin(path + mod)
- if m is not None:
- debug("loading chart: '" + path + mod + "'")
- self.modules.append(m)
+ def _load_modules(self, path, modules):
+ # check if plugin directory exists
+ if not os.path.isdir(path):
+ debug("cannot find charts directory ", path)
+ sys.stdout.write("DISABLE\n")
+ sys.exit(1)
- def load_configs(self):
+ # load modules
+ loaded = []
+ if len(modules) > 0:
+ for m in modules:
+ mod = self._import_plugin(path + m + ".chart.py")
+ if mod is not None:
+ loaded.append(mod)
+ else:
+ # scan directory specified in path and load all modules from there
+ names = os.listdir(path)
+ for mod in names:
+ m = self._import_plugin(path + mod)
+ if m is not None:
+ debug("loading chart: '" + path + mod + "'")
+ loaded.append(m)
+ return loaded
+
+ def _load_configs(self):
# function modifies every loaded module in self.modules
for m in self.modules:
configfile = self.configs + m.__name__ + ".conf"
configfile +
"' not found. Using defaults.")
- def disable_module(self, mod, reason=None):
+ def _disable_module(self, mod, reason=None):
# modifies self.modules
self.modules.remove(mod)
del self.timetable[mod.__name__]
"() function. Disabling it.")
elif reason[:7] == "failed ":
debug("chart '" +
- mod.__name__ +
- reason[3:] +
- "() function. reports failure.")
+ mod.__name__ + "' " +
+ reason[7:] +
+ "() function reports failure.")
elif reason[:13] == "configuration":
debug(mod.__name__,
"configuration file '" +
for mod in self.modules:
try:
if not mod.check():
- self.disable_module(mod, "failed check")
+ self._disable_module(mod, "failed check")
except AttributeError:
- self.disable_module(mod, "no check")
+ self._disable_module(mod, "no check")
except (UnboundLocalError, Exception) as e:
- self.disable_module(mod, "misbehaving. Reason: " + str(e))
+ self._disable_module(mod, "misbehaving. Reason: " + str(e))
def create(self):
# try to execute create() on every loaded module
for mod in self.modules:
try:
if not mod.create():
- self.disable_module(mod, "failed create")
+ self._disable_module(mod, "failed create")
else:
chart = mod.__name__
sys.stdout.write(
sys.stdout.write("DIMENSION run_time 'run time' absolute 1 1\n\n")
sys.stdout.flush()
except AttributeError:
- self.disable_module(mod, "no create")
+ self._disable_module(mod, "no create")
except (UnboundLocalError, Exception) as e:
- self.disable_module(mod, "misbehaving. Reason: " + str(e))
+ self._disable_module(mod, "misbehaving. Reason: " + str(e))
- def update_module(self, mod):
+ def _update_module(self, mod):
# try to execute update() on every module and draw run time graph
t_start = time.time()
# check if it is time to execute module update() function
else:
since_last = int((t_start - self.timetable[mod.__name__]['last']) * 1000000)
if not mod.update(since_last):
- self.disable_module(mod, "update failed")
+ self._disable_module(mod, "update failed")
return
except AttributeError:
- self.disable_module(mod, "no update")
+ self._disable_module(mod, "no update")
return
except (UnboundLocalError, Exception) as e:
- self.disable_module(mod, "misbehaving. Reason: " + str(e))
+ self._disable_module(mod, "misbehaving. Reason: " + str(e))
return
t_end = time.time()
self.timetable[mod.__name__]['next'] = t_end - (t_end % self.timetable[mod.__name__]['freq']) + self.timetable[mod.__name__]['freq']
t_begin = time.time()
next_runs = []
for mod in self.modules:
- self.update_module(mod)
+ self._update_module(mod)
try:
next_runs.append(self.timetable[mod.__name__]['next'])
except KeyError:
pass
debug("started from", commands[0], "with options:", *commands[1:])
+ if len(mods) == 0 and DEBUG_FLAG is False:
+ interval = None
return {'interval': interval,
'modules': mods}
main_dir = os.getenv('NETDATA_PLUGINS_DIR',
os.path.abspath(__file__).strip("python.d.plugin.py"))
config_dir = os.getenv('NETDATA_CONFIG_DIR', "/etc/netdata/")
- interval = int(os.getenv('NETDATA_UPDATE_EVERY', 1))
+ interval = os.getenv('NETDATA_UPDATE_EVERY', None)
# read configuration file
disabled = []
if config_dir[-1] != '/':
- configfile = config_dir + '/' + "python.d.conf"
- else:
- configfile = config_dir + "python.d.conf"
+ config_dir += '/'
+ configfile = config_dir + "python.d.conf"
try:
conf = read_config(configfile)
try:
modules_conf = conf['plugins_config_dir']
except (KeyError):
- modules_conf = config_dir # default configuration directory
+ modules_conf = config_dir + "python.d/" # default configuration directory
try:
modules_dir = conf['plugins_dir']
except (KeyError):
DEBUG_FLAG = bool(conf['debug'])
except (KeyError, TypeError):
pass
- try:
- disabled = conf['disabled'].split(',')
- except (KeyError):
- pass
+ for k, v in conf.items():
+ if k in ("plugins_config_dir", "plugins_dir", "interval", "debug"):
+ continue
+ if v == 'no':
+ disabled.append(k)
except FileNotFoundError:
modules_conf = config_dir
modules_dir = main_dir.replace("plugins.d", "python.d")
modules = out['modules']
if out['interval'] is not None:
interval = out['interval']
-
+
# configure environement to run modules
sys.path.append(modules_dir+"python_modules") # append path to directory with modules dependencies
projects / netdata.git / blobdiff