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|
#!/usr/bin/env python3
#
# Copyright (C) 2022 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import re
import sys
import typing
from jinja2 import Template
from vyos.util import rc_cmd
import vyos.opmode
journalctl_command_template = Template("""
--no-hostname
--quiet
{% if boot %}
--boot
{% endif %}
{% if count %}
--lines={{ count }}
{% endif %}
{% if reverse %}
--reverse
{% endif %}
{% if since %}
--since={{ since }}
{% endif %}
{% if unit %}
--unit={{ unit }}
{% endif %}
{% if utc %}
--utc
{% endif %}
{% if raw %}
{# By default show 100 only lines for raw option if count does not set #}
{# Protection from parsing the full log by default #}
{% if not boot %}
--lines={{ '' ~ count if count else '100' }}
{% endif %}
--no-pager
--output=json
{% endif %}
""")
def show(raw: bool,
boot: typing.Optional[bool],
count: typing.Optional[int],
facility: typing.Optional[str],
reverse: typing.Optional[bool],
utc: typing.Optional[bool],
unit: typing.Optional[str]):
kwargs = dict(locals())
journalctl_options = journalctl_command_template.render(kwargs)
journalctl_options = re.sub(r'\s+', ' ', journalctl_options)
rc, output = rc_cmd(f'journalctl {journalctl_options}')
if raw:
# Each 'journalctl --output json' line is a separate JSON object
# So we should return list of dict
return [json.loads(line) for line in output.split('\n')]
return output
if __name__ == '__main__':
try:
res = vyos.opmode.run(sys.modules[__name__])
if res:
print(res)
except (ValueError, vyos.opmode.Error) as e:
print(e)
sys.exit(1)
|
