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Monitoring process list refactor into AMPs

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This commit is contained in:
nicolargo 2016-05-01 18:36:52 +02:00
parent 92cb6e3407
commit 9999f558df
6 changed files with 83 additions and 69 deletions
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10
glances/amps/glances_amp.py
View File

@ -191,3 +191,13 @@ class GlancesAmp(object):
if ret is not None:
ret = u(ret)
return ret
def update_wrapper(self, process_list):
"""Wrapper for the children update"""
# Set the number of running process
self.set_count(len(process_list))
# Call the children update method
if self.should_update():
return self.update(process_list)
else:
return self.result()

18
glances/amps/glances_nginx.py
View File

@ -75,15 +75,13 @@ class Amp(GlancesAmp):
def update(self, process_list):
"""Update the AMP"""
if self.should_update():
# Get the Nginx status
logger.debug('{0}: Update stats using status URL {1}'.format(self.NAME, self.get('status_url')))
res = requests.get(self.get('status_url'))
if res.ok:
# u'Active connections: 1 \nserver accepts handled requests\n 1 1 1 \nReading: 0 Writing: 1 Waiting: 0 \n'
self.set_result(res.text.rstrip())
else:
logger.debug('{0}: Can not grab status URL {1} ({2})'.format(self.NAME, self.get('status_url'), res.reason))
# Get the Nginx status
logger.debug('{0}: Update stats using status URL {1}'.format(self.NAME, self.get('status_url')))
res = requests.get(self.get('status_url'))
if res.ok:
# u'Active connections: 1 \nserver accepts handled requests\n 1 1 1 \nReading: 0 Writing: 1 Waiting: 0 \n'
self.set_result(res.text.rstrip())
else:
logger.debug('{0}: Can not grab status URL {1} ({2})'.format(self.NAME, self.get('status_url'), res.reason))
return self.result()

50
glances/amps/glances_systemd.py
View File

@ -67,31 +67,29 @@ class Amp(GlancesAmp):
def update(self, process_list):
"""Update the AMP"""
if self.should_update():
# Get the systemctl status
logger.debug('{0}: Update stats using systemctl {1}'.format(self.NAME, self.get('systemctl_cmd')))
try:
res = check_output(self.get('systemctl_cmd').split())
except OSError as e:
logger.debug('{0}: Error while executing systemctl ({1})'.format(self.NAME, e))
else:
status = {}
# For each line
for r in res.split('\n')[1:-8]:
# Split per space .*
l = r.split()
if len(l) > 3:
# load column
for c in range(1, 3):
try:
status[l[c]] += 1
except KeyError:
status[l[c]] = 1
# Build the output (string) message
output = 'Services\n'
for k, v in iteritems(status):
output += '{0}: {1}\n'.format(k, v)
self.set_result(output, separator=' ')
# Get the systemctl status
logger.debug('{0}: Update stats using systemctl {1}'.format(self.NAME, self.get('systemctl_cmd')))
try:
res = check_output(self.get('systemctl_cmd').split())
except OSError as e:
logger.debug('{0}: Error while executing systemctl ({1})'.format(self.NAME, e))
else:
status = {}
# For each line
for r in res.split('\n')[1:-8]:
# Split per space .*
l = r.split()
if len(l) > 3:
# load column
for c in range(1, 3):
try:
status[l[c]] += 1
except KeyError:
status[l[c]] = 1
# Build the output (string) message
output = 'Services\n'
for k, v in iteritems(status):
output += '{0}: {1}\n'.format(k, v)
self.set_result(output, separator=' ')
return self.result()

52
glances/amps/glances_systemv.py
View File

@ -66,32 +66,30 @@ class Amp(GlancesAmp):
def update(self, process_list):
"""Update the AMP"""
if self.should_update():
# Get the systemctl status
logger.debug('{0}: Update stats using service {1}'.format(self.NAME, self.get('service_cmd')))
try:
res = check_output(self.get('service_cmd').split(), stderr=STDOUT)
except OSError as e:
logger.debug('{0}: Error while executing service ({1})'.format(self.NAME, e))
else:
status = {'running': 0, 'stopped': 0, 'upstart': 0}
# For each line
for r in res.split('\n'):
# Split per space .*
l = r.split()
if len(l) < 4:
continue
if l[1] == '+':
status['running'] += 1
elif l[1] == '-':
status['stopped'] += 1
elif l[1] == '?':
status['upstart'] += 1
# Build the output (string) message
output = 'Services\n'
for k, v in iteritems(status):
output += '{0}: {1}\n'.format(k, v)
self.set_result(output, separator=' ')
# Get the systemctl status
logger.debug('{0}: Update stats using service {1}'.format(self.NAME, self.get('service_cmd')))
try:
res = check_output(self.get('service_cmd').split(), stderr=STDOUT)
except OSError as e:
logger.debug('{0}: Error while executing service ({1})'.format(self.NAME, e))
else:
status = {'running': 0, 'stopped': 0, 'upstart': 0}
# For each line
for r in res.split('\n'):
# Split per space .*
l = r.split()
if len(l) < 4:
continue
if l[1] == '+':
status['running'] += 1
elif l[1] == '-':
status['stopped'] += 1
elif l[1] == '?':
status['upstart'] += 1
# Build the output (string) message
output = 'Services\n'
for k, v in iteritems(status):
output += '{0}: {1}\n'.format(k, v)
self.set_result(output, separator=' ')
return self.result()

8
glances/amps_list.py
View File

@ -113,8 +113,14 @@ class AmpsList(object):
# At least one process is matching the regex
logger.debug("AMPS: {} process detected (PID={})".format(k, amps_list[0]['pid']))
# Call the AMP update method
thread = threading.Thread(target=v.update, args=[amps_list])
thread = threading.Thread(target=v.update_wrapper, args=[amps_list])
thread.start()
else:
# Set the process number to 0
v.set_count(0)
if v.count_min() > 0:
# Only display the "No running process message" is countmin is defined
v.set_result("No running process")
return self.__amps_dict

14
glances/plugins/glances_amps.py
View File

@ -107,14 +107,18 @@ class Plugin(GlancesPlugin):
continue
# Display AMP
first_column = '{0}'.format(m['name'])
# first_column = '{0} {1}/{2}'.format(m['key'], int(m['timer']), int(m['refresh']))
first_column_style = self.get_alert(m['count'], m['countmin'], m['countmax'])
second_column = '{0}'.format(m['count'])
for l in m['result'].split('\n'):
# Display first column with the process name...
msg = '{0:<20} '.format(first_column)
ret.append(self.curse_add_line(msg, self.get_alert(m['count'], m['countmin'], m['countmax'])))
msg = '{0:<16} '.format(first_column)
ret.append(self.curse_add_line(msg, first_column_style))
# ... and second column with the number of matching processes...
msg = '{0:<4} '.format(second_column)
ret.append(self.curse_add_line(msg))
# ... only on the first line
first_column = ''
# Display AMP result in the second column
first_column = second_column = ''
# Display AMP result in the third column
ret.append(self.curse_add_line(l, splittable=True))
ret.append(self.curse_new_line())