Add the quiet mode (-q)

NEWS

@@ -10,6 +10,7 @@ Enhancements and news features:
     * Grab FAN speed in the Glances sensors plugin (issue #501)
     * Allow logical mounts points in the FS plugin (issue #448)
     * Add a --disable-hddtemp to disable HDD temperature module at startup (issue #515)
+    * Add a quiet mode (-q). Can be usefull if you need a Statsd or Influxdb provider only.
 
 Bugs corrected:
 

docs/glances-doc.rst

@@ -188,6 +188,7 @@ Command-Line Options
   --snmp-force          force SNMP mode
   -t TIME, --time TIME  set refresh time in seconds [default: 3 sec]
   -w, --webserver       run Glances in web server mode
+  -q, --quiet           run Glances in quiet mode (nothing is displayed)
   -f PROCESS_FILTER, --process-filter PROCESS_FILTER
                         set the process filter patern (regular expression)
   --process-short-name  force short name for processes name

glances/core/glances_main.py

@@ -173,6 +173,8 @@ Start the client browser (browser mode):\n\
         parser.add_argument('-w', '--webserver', action='store_true', default=False,
                             dest='webserver', help=_('run Glances in web server mode (need Bootle lib)'))
         # Display options
+        parser.add_argument('-q', '--quiet', default=False, action='store_true',
+                            dest='quiet', help=_('Do not display the Curse interface'))
         parser.add_argument('-f', '--process-filter', default=None, type=str,
                             dest='process_filter', help=_('set the process filter pattern (regular expression)'))
         parser.add_argument('--process-short-name', action='store_true', default=False,
@@ -189,7 +191,7 @@ Start the client browser (browser mode):\n\
         parser.add_argument('--fs-free-space', action='store_false', default=False,
                             dest='fs_free_space', help=_('display FS free space instead of used'))
         parser.add_argument('--theme-white', action='store_true', default=False,
-                            dest='theme_white', help=_('optimize display for white background'))
+                            dest='theme_white', help=_('optimize display colors for white background'))
 
         return parser
 

glances/core/glances_standalone.py

@@ -32,12 +32,12 @@ class GlancesStandalone(object):
     """This class creates and manages the Glances standalone session."""
 
     def __init__(self, config=None, args=None):
+        # Quiet mode
+        self._quiet = args.quiet
+
         # Init stats
         self.stats = GlancesStats(config=config, args=args)
 
-        # Default number of processes to displayed is set to 50
-        glances_processes.max_processes = 50
-
         # If process extended stats is disabled by user
         if not args.enable_process_extended:
             logger.debug("Extended stats for top process are disabled")
@@ -61,8 +61,20 @@ class GlancesStandalone(object):
         # Initial system informations update
         self.stats.update()
 
-        # Init screen
-        self.screen = GlancesCursesStandalone(args=args)
+        if self.quiet:
+            logger.info("Quiet mode is ON: Nothing will be displayed")
+            # In quiet mode, nothing is displayed
+            glances_processes.max_processes = 0
+        else:
+            # Default number of processes to displayed is set to 50
+            glances_processes.max_processes = 50
+
+            # Init screen
+            self.screen = GlancesCursesStandalone(args=args)
+
+    @property
+    def quiet(self):
+        return self._quiet
 
     def serve_forever(self):
         """Main loop for the CLI."""
@@ -71,14 +83,16 @@ class GlancesStandalone(object):
             self.stats.update()
 
             # Update the screen
-            self.screen.update(self.stats)
+            if not self.quiet:
+                self.screen.update(self.stats)
 
             # Export stats using export modules
             self.stats.export(self.stats)
 
     def end(self):
         """End of the standalone CLI."""
-        self.screen.end()
+        if not self.quiet:
+            self.screen.end()
 
         # Exit from export modules
         self.stats.end()

glances/exports/glances_influxdb.py

@@ -84,11 +84,11 @@ class Export(GlancesExport):
         """Init the connection to the InfluxDB server"""
         if not self.export_enable:
             return None
-        db = InfluxDBClient(self.host,
-                            self.port,
-                            self.user,
-                            self.password,
-                            self.db)
+        db = InfluxDBClient(host=self.host,
+                            port=self.port,
+                            username=self.user,
+                            password=self.password,
+                            database=self.db)
         try:
             get_all_db = db.get_list_database()[0].values()
         except client.InfluxDBClientError as e:

man/glances.1

@@ -125,6 +125,12 @@ set refresh time in seconds [default: 3 sec]
 .B \-w, \-\-webserver
 run Glances in Web server mode
 .TP
+.B \-q, \-\-quiet
+run Glances in quiet mode (nothing is displayed)
+.TP
+.B -\f PROCESS_FILTER, \-\-process\-filter PROCESS_FILTER
+set the process filter patern (regular expression)
+.TP
 .B \-1, \-\-percpu
 start Glances in per CPU mode
 .TP