Add static server list

conf/glances-test.conf

@@ -130,3 +130,8 @@ list_1_regex=.*python.*
 list_2_description=Famous Xeyes
 list_2_regex=.*xeyes.*
 list_2_countmin=1
+
+[serverlist]
+# Define the static server list
+server_1_name=localhost
+server_1_port=61234

glances/core/glances_autodiscover.py

@@ -65,6 +65,7 @@ class AutoDiscovered(object):
                       'port': port,  # TCP port
                       'username': 'glances', # Default username
                       'password': '', # Default password
+                      'status': 'UNKNOWN', # Server status: 'UNKNOWN', 'OFFLINE', 'ONLINE', 'PROTECTED'
                       }
         self._server_list.append(new_server)
         logger.debug("Updated servers list (%s servers): %s" %

glances/core/glances_client.py

@@ -115,7 +115,10 @@ class GlancesClient(object):
                 logger.error("Connection to Glances server failed (%s)" % err)
                 self.set_mode('snmp')
                 fallbackmsg = _("Trying fallback to SNMP...")
-                print(fallbackmsg)
+                if not return_to_browser:
+                    print(fallbackmsg)
+                else:
+                    logger.info(fallbackmsg)
             except ProtocolError as err:
                 # Others errors
                 if str(err).find(" 401 ") > 0:

glances/core/glances_client_browser.py

@@ -33,7 +33,7 @@ from glances.core.glances_globals import logger
 from glances.outputs.glances_curses import GlancesCursesBrowser
 from glances.core.glances_client import GlancesClientTransport, GlancesClient
 from glances.core.glances_autodiscover import GlancesAutoDiscoverServer
-#from glances.core.glances_staticlist import GlancesStaticServer
+from glances.core.glances_staticlist import GlancesStaticServer
 
 
 class GlancesClientBrowser(object):
@@ -45,8 +45,8 @@ class GlancesClientBrowser(object):
         self.args = args
         self.config = config
 
-        # TODO: Init the static server list (if defined)
-        # self.static_server = GlancesStaticServer()
+        # Init the static server list (if defined)
+        self.static_server = GlancesStaticServer(config=self.config)
 
         # Start the autodiscover mode (Zeroconf listener)
         if not self.args.disable_autodiscover:
@@ -60,15 +60,16 @@ class GlancesClientBrowser(object):
     def get_servers_list(self):
         """
         Return the current server list (list of dict)
-        TODO: should return the merge of static + autodiscover servers list
+        Merge of static + autodiscover servers list
         """
+        ret = []
+
         if self.args.browser:
+            ret = self.static_server.get_servers_list()
             if self.autodiscover_server is not None:
-                return self.autodiscover_server.get_servers_list()
-            else:
-                return []
-        else:
-            return []
+                ret = self.autodiscover_server.get_servers_list() + self.static_server.get_servers_list()
+
+        return ret
 
     def serve_forever(self):
         """Main client loop."""
@@ -106,14 +107,20 @@ class GlancesClientBrowser(object):
                                 s.getMem())['percent']
                             # OS (Human Readable name)
                             v['hr_name'] = json.loads(s.getSystem())['hr_name']
+                            # Status
+                            v['status'] = 'ONLINE'
                         except (socket.error, Fault, KeyError) as e:
-                            logger.warning(
+                            logger.debug(
                                 "Error while grabbing stats form {0}: {1}".format(uri, e))
+                            v['status'] = 'OFFLINE'
                         except ProtocolError as e:
                             if str(e).find(" 401 ") > 0:
                                 # Error 401 (Authentication failed)
                                 # Password is not the good one...
                                 v['password'] = None
+                                v['status'] = 'PROTECTED'
+                            else:
+                                v['status'] = 'OFFLINE'
                             logger.debug(
                                 "Can not grab stats from {0}: {1}".format(uri, e))
             # List can change size during iteration...
@@ -163,7 +170,7 @@ class GlancesClientBrowser(object):
 
                     logger.debug("Disconnect Glances client from the %s server" %
                                  self.get_servers_list()[self.screen.get_active()]['key'])
-                
+
                 # Return to the browser (no server selected)
                 self.screen.set_active(None)
 

glances/core/glances_main.py

@@ -82,7 +82,7 @@ class GlancesMain(object):
                             dest='disable_log', help=_('disable log module'))
         parser.add_argument('--disable-bold', action='store_false', default=True,
                             dest='disable_bold', help=_('disable bold mode in the terminal'))
-        parser.add_argument('--enable-process-extended', action='store_false', default=False,
+        parser.add_argument('--enable-process-extended', action='store_true', default=False,
                             dest='enable_process_extended', help=_('enable extended stats on top process'))
         parser.add_argument('--enable-history', action='store_true', default=False,
                             dest='enable_history', help=_('enable the history mode'))

glances/core/glances_staticlist.py

@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Glances.
+#
+# Copyright (C) 2014 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/>.
+
+"""Manage the Glances server static list """
+
+# Import Glances libs
+from glances.core.glances_globals import logger
+
+
+class GlancesStaticServer(object):
+
+    """Manage the static servers list for the client browser"""
+
+    _section = "serverlist"
+
+    def __init__(self, config=None, args=None):
+        # server_dict is a list of dict (JSON compliant)
+        # [ {'key': 'zeroconf name', ip': '172.1.2.3', 'port': 61209, 'cpu': 3, 'mem': 34 ...} ... ]
+        # Load the configuration file
+        self._server_list = self.load(config)
+
+    def load(self, config):
+        """Load the server list from the configuration file"""
+
+        server_list = []
+
+        if config is None:
+            logger.warning("No configuration file available. Can not load server list.")
+        elif not config.has_section(self._section):
+            logger.warning("No [%s] section in the configuration file. Can not load server list." % self._section)
+        else:
+            for i in range(1, 256):
+                new_server = {}
+                postfix = 'server_%s_' % str(i)
+                # Read the server name (mandatory)
+                new_server['name'] = config.get_raw_option(self._section, '%sname' % postfix)
+                if new_server['name'] is not None:
+                    # Read other optionnal information
+                    for s in ['alias', 'port', 'password']:
+                        new_server[s] = config.get_raw_option(self._section, '%s%s' % (postfix, s))
+
+                    # Manage optionnal information
+                    if new_server['alias'] is None:
+                        new_server['alias'] = new_server['name']
+                    if new_server['port'] is None:
+                        new_server['port'] = 61209
+                    if new_server['password'] is None:
+                        new_server['password'] = ''
+                    new_server['username'] = 'glances'
+                    new_server['ip'] = new_server['name']
+                    new_server['key'] = new_server['name'] + ':' + new_server['port']
+                    new_server['status'] = 'UNKNOWN'
+
+                    # Add the server to the list
+                    logger.debug("Add server %s to the static list" % new_server['name'])
+                    server_list.append(new_server)
+
+            # Server list loaded
+            logger.info("%s server(s) loaded from the configuration file" % len(server_list))
+            logger.debug("Static server list: %s" % server_list)
+
+        return server_list
+
+    def get_servers_list(self):
+        """Return the current server list (dict of dict)"""
+        return self._server_list
+
+    def set_server(self, server_pos, key, value):
+        """Set the key to the value for the server_pos (position in the list)"""
+        self._server_list[server_pos][key] = value

glances/outputs/glances_curses.py

@@ -437,7 +437,8 @@ class _GlancesCurses(object):
             max_processes_displayed = 0
         if glances_processes.get_max_processes() is None or \
            glances_processes.get_max_processes() != max_processes_displayed:
-            logger.debug("Set number of displayed processes to %s" % max_processes_displayed)
+            logger.debug("Set number of displayed processes to %s" %
+                         max_processes_displayed)
             glances_processes.set_max_processes(max_processes_displayed)
 
         stats_processlist = stats.get_plugin(
@@ -635,7 +636,8 @@ class _GlancesCurses(object):
             textbox.edit()
             self.set_cursor(0)
             if textbox.gather() != '':
-                logger.debug("User enters the following process filter patern: %s" % textbox.gather())
+                logger.debug(
+                    "User enters the following process filter patern: %s" % textbox.gather())
                 return textbox.gather()[:-1]
             else:
                 logger.debug("User clears the process filter patern")
@@ -720,7 +722,8 @@ class _GlancesCurses(object):
                     # occupy several bytes
                     offset = len(m['msg'].decode("utf-8"))
                 except AttributeError:
-                    # Python 3: strings are strings and bytes are bytes, all is good
+                    # Python 3: strings are strings and bytes are bytes, all is
+                    # good
                     offset = len(m['msg'])
                 x = x + offset
 
@@ -836,6 +839,14 @@ class GlancesCursesBrowser(_GlancesCurses):
         # Init the father class
         _GlancesCurses.__init__(self, args=args)
 
+        _colors_list = {
+            'UNKNOWN': self.no_color,
+            'ONLINE': self.default_color2,
+            'OFFLINE': self.ifCRITICAL_color2,
+            'PROTECTED': self.ifWARNING_color2,
+        }
+        self.colors_list = dict(self.colors_list.items() + _colors_list.items())
+
         # First time scan tag
         # Used to display a specific message when the browser is started
         self.first_scan = True
@@ -925,7 +936,8 @@ class GlancesCursesBrowser(_GlancesCurses):
             # Getkey
             pressedkey = self.__catch_key(servers_list)
             # Is it an exit or select server key ?
-            exitkey = (pressedkey == ord('\x1b') or pressedkey == ord('q') or pressedkey == 10)
+            exitkey = (
+                pressedkey == ord('\x1b') or pressedkey == ord('q') or pressedkey == 10)
             if not exitkey and pressedkey > -1:
                 # Redraw display
                 self.flush(servers_list)
@@ -990,6 +1002,7 @@ class GlancesCursesBrowser(_GlancesCurses):
             ['load_min5', _('LOAD'), 6],
             ['cpu_percent', _('CPU%'), 5],
             ['mem_percent', _('MEM%'), 5],
+            ['status', _('STATUS'), 8],
             ['ip', _('IP'), 15],
             ['port', _('PORT'), 5],
             ['hr_name', _('OS'), 16],
@@ -1047,7 +1060,7 @@ class GlancesCursesBrowser(_GlancesCurses):
                     self.term_window.addnstr(y, xc,
                                              "%s" % server_stat[c[0]],
                                              screen_x - xc,
-                                             self.colors_list['DEFAULT'])
+                                             self.colors_list[v['status']])
                     xc += c[2] + self.space_between_column
                 cpt += 1
             # Next line, next server...