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# 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 systemd import journal
from ..log_processing import AbstractLogProcessor
class JournalProcessor(AbstractLogProcessor):
def __init__(self, unit, *args, **kwargs):
super(JournalProcessor, self).__init__(*args, **kwargs)
self.unit = unit
def run(self):
with journal.Reader() as j:
j.add_match(_SYSTEMD_UNIT=self.unit)
j.seek_tail()
j.get_previous()
while True:
for entry in j:
self.update_metrics(entry['MESSAGE'])
j.wait()
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