Module code

Source code for oio.conscience.stats.proxy

# Copyright (C) 2019 OpenIO SAS, as part of OpenIO SDS
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from oio.conscience.stats.http import HttpStat


class ProxyStat(HttpStat):
    """
    Fetch metrics from oioproxy services using an HTTP request.
    Expect one stat per line.
    """

    def configure(self):
        self.stat_conf['path'] = '/v3.0/status'
        super(ProxyStat, self).configure()

    def get_stats(self):
        stats = super(ProxyStat, self).get_stats()
        # Deal with the legacy format
        for key, val in stats.items():
            if key.endswith(' ='):
                stats[key[:-2]] = val
                del stats[key]
        # Keep only "gauge" metrics for the moment
        for key in list(stats):
            if key.startswith('gauge'):
                stat_key = 'stat.' + key.split(None, 1)[1]
                stats[stat_key] = stats[key]
        return stats