Add SystemV AMP, no more log message

glances/amps/glances_systemv.py

@@ -0,0 +1,97 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Glances.
+#
+# Copyright (C) 2016 Nicolargo <nicolas@nicolargo.com>
+#
+# Glances is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Glances is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+SystemV AMP
+===========
+
+Monitor the state of the Syste V init system and service.
+
+How to read the stats
+---------------------
+
+Running: Number of running services.
+Stopped: Number of stopped services.
+Upstart: Number of service managed by Upstart.
+
+Source reference: http://askubuntu.com/questions/407075/how-to-read-service-status-all-results
+
+Configuration file example
+--------------------------
+
+[amp_systemv]
+# Systemv
+enable=true
+regex=\/sbin\/init
+refresh=60
+one_line=true
+service_cmd=/usr/bin/service --status-all
+"""
+
+from subprocess import check_output, STDOUT
+
+from glances.logger import logger
+from glances.compat import iteritems
+from glances.amps.glances_amp import GlancesAmp
+
+
+class Amp(GlancesAmp):
+    """Glances' Systemd AMP."""
+
+    NAME = 'SystemV'
+    VERSION = '1.0'
+    DESCRIPTION = 'Get services list from service (initd)'
+    AUTHOR = 'Nicolargo'
+    EMAIL = 'contact@nicolargo.com'
+
+    # def __init__(self, args=None):
+    #     """Init the AMP."""
+    #     super(Amp, self).__init__(args=args)
+
+    def update(self):
+        """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=' ')
+
+        return self.result()