133 lines
3.8 KiB
Python
Executable File
133 lines
3.8 KiB
Python
Executable File
#!/bin/bash
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"true" '''\'
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# NOTE(vgridnev): ubuntu trusty by default has python3,
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# but pkg_resources can't be imported.
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echo "import pkg_resources" | python3 2>/dev/null
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has_py3=$?
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if [ $has_py3 = 0 ]; then
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interpreter="python3"
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else
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interpreter="python"
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fi
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exec $interpreter "$0"
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'''
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import datetime
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from distutils import version
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import errno
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import logging
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import os
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import re
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import subprocess
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import sys
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import pkg_resources
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VAR_PATH = '/var/lib/heat-cfntools'
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LOG = logging.getLogger('heat-provision')
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def chk_ci_version():
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try:
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v = version.LooseVersion(
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pkg_resources.get_distribution('cloud-init').version)
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return v >= version.LooseVersion('0.6.0')
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except Exception:
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pass
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data = subprocess.Popen(['cloud-init', '--version'],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE).communicate()
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if data[0]:
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raise Exception()
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# data[1] has such format: 'cloud-init 0.7.5\n', need to parse version
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v = re.split(' |\n', data[1])[1].split('.')
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return tuple(v) >= tuple(['0', '6', '0'])
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def init_logging():
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LOG.setLevel(logging.INFO)
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LOG.addHandler(logging.StreamHandler())
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fh = logging.FileHandler("/var/log/heat-provision.log")
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os.chmod(fh.baseFilename, int("600", 8))
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LOG.addHandler(fh)
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def call(args):
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class LogStream(object):
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def write(self, data):
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LOG.info(data)
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LOG.info('%s\n', ' '.join(args)) # noqa
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try:
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ls = LogStream()
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p = subprocess.Popen(args, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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data = p.communicate()
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if data:
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for x in data:
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ls.write(x)
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except OSError:
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ex_type, ex, tb = sys.exc_info()
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if ex.errno == errno.ENOEXEC:
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LOG.error('Userdata empty or not executable: %s', ex)
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return os.EX_OK
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else:
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LOG.error('OS error running userdata: %s', ex)
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return os.EX_OSERR
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except Exception:
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ex_type, ex, tb = sys.exc_info()
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LOG.error('Unknown error running userdata: %s', ex)
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return os.EX_SOFTWARE
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return p.returncode
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def main():
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try:
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if not chk_ci_version():
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# pre 0.6.0 - user data executed via cloudinit, not this helper
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LOG.error('Unable to log provisioning, need a newer version of '
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'cloud-init')
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return -1
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except Exception:
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LOG.warning('Can not determine the version of cloud-init. It is '
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'possible to get errors while logging provisioning.')
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userdata_path = os.path.join(VAR_PATH, 'cfn-userdata')
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os.chmod(userdata_path, int("700", 8))
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LOG.info('Provision began: %s', datetime.datetime.now())
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returncode = call([userdata_path])
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LOG.info('Provision done: %s', datetime.datetime.now())
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if returncode:
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return returncode
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if __name__ == '__main__':
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init_logging()
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code = main()
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if code:
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LOG.error('Provision failed with exit code %s', code)
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sys.exit(code)
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provision_log = os.path.join(VAR_PATH, 'provision-finished')
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# touch the file so it is timestamped with when finished
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with open(provision_log, 'a'):
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os.utime(provision_log, None)
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