mirror of
https://github.com/nicolargo/glances.git
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93 lines
3.7 KiB
Python
93 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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#
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# This file is part of Glances.
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#
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# Copyright (C) 2017 Nicolargo <nicolas@nicolargo.com>
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#
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# Glances is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Glances is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""Manage the Glances server static list."""
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from socket import gaierror, gethostbyname
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from glances.compat import range
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from glances.logger import logger
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class GlancesStaticServer(object):
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"""Manage the static servers list for the client browser."""
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_section = "serverlist"
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def __init__(self, config=None, args=None):
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# server_list is a list of dict (JSON compliant)
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# [ {'key': 'zeroconf name', ip': '172.1.2.3', 'port': 61209, 'cpu': 3, 'mem': 34 ...} ... ]
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# Load the configuration file
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self._server_list = self.load(config)
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def load(self, config):
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"""Load the server list from the configuration file."""
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server_list = []
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if config is None:
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logger.debug("No configuration file available. Cannot load server list.")
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elif not config.has_section(self._section):
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logger.warning("No [%s] section in the configuration file. Cannot load server list." % self._section)
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else:
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logger.info("Start reading the [%s] section in the configuration file" % self._section)
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for i in range(1, 256):
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new_server = {}
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postfix = 'server_%s_' % str(i)
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# Read the server name (mandatory)
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for s in ['name', 'port', 'alias']:
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new_server[s] = config.get_value(self._section, '%s%s' % (postfix, s))
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if new_server['name'] is not None:
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# Manage optionnal information
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if new_server['port'] is None:
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new_server['port'] = '61209'
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new_server['username'] = 'glances'
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# By default, try empty (aka no) password
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new_server['password'] = ''
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try:
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new_server['ip'] = gethostbyname(new_server['name'])
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except gaierror as e:
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logger.error("Cannot get IP address for server %s (%s)" % (new_server['name'], e))
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continue
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new_server['key'] = new_server['name'] + ':' + new_server['port']
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# Default status is 'UNKNOWN'
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new_server['status'] = 'UNKNOWN'
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# Server type is 'STATIC'
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new_server['type'] = 'STATIC'
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# Add the server to the list
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logger.debug("Add server %s to the static list" % new_server['name'])
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server_list.append(new_server)
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# Server list loaded
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logger.info("%s server(s) loaded from the configuration file" % len(server_list))
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logger.debug("Static server list: %s" % server_list)
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return server_list
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def get_servers_list(self):
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"""Return the current server list (list of dict)."""
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return self._server_list
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def set_server(self, server_pos, key, value):
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"""Set the key to the value for the server_pos (position in the list)."""
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self._server_list[server_pos][key] = value
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