51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import grp
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import logging
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import os
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def setup_logger(dir, base='subiquity'):
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os.makedirs(dir, exist_ok=True)
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if os.getuid() == 0:
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os.chmod(dir, 0o775)
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os.chown(dir, -1, grp.getgrnam('adm').gr_gid)
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logger = logging.getLogger("")
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logger.setLevel(logging.DEBUG)
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r = {}
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for level in 'info', 'debug':
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nopid_file = os.path.join(dir, "{}-{}.log".format(base, level))
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logfile = "{}.{}".format(nopid_file, os.getpid())
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handler = logging.FileHandler(logfile)
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# os.symlink cannot replace an existing file or symlink so create
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# it and then rename it over.
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tmplink = logfile + ".link"
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os.symlink(os.path.basename(logfile), tmplink)
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os.rename(tmplink, nopid_file)
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handler.setLevel(getattr(logging, level.upper()))
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handler.setFormatter(
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logging.Formatter(
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"%(asctime)s %(levelname)s %(name)s:%(lineno)d %(message)s"))
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logger.addHandler(handler)
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r[level] = logfile
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return r
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