b86f4b1462
To support several Centos versions we need both Centos6.5 and Centos6.6 images to be in place. But during master node upgrade we update fuel-target-centos-images package and Centos6.5 images disappear. The case is the same as for fuel-library. Change-Id: I5b974593d2375bcc6367322fcf182f3dcc006d05 Closes-Bug: #1485527
86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
# Copyright 2013 Mirantis, Inc.
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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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import os
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import argparse
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import yaml
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from jinja2 import FileSystemLoader
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from jinja2 import Environment
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class KickstartFile(object):
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def __init__(self, template_file, config_file=None, config_data=None):
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self.config = {}
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if config_file:
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with open(config_file, "r") as f:
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self.config.update(yaml.safe_load(f.read()))
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if config_data:
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self.config.update(yaml.safe_load(config_data))
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self.env = Environment(
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loader=FileSystemLoader(
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os.path.dirname(os.path.abspath(template_file))
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)
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)
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self.template = self.env.get_template(
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os.path.basename(os.path.abspath(template_file))
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)
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def render(self):
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return self.template.render(self.config)
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def render2file(self, filename):
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with open(filename, "w") as f:
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f.write(self.render())
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if __name__ == "__main__":
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description = """
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This script builds kickstart file to using jinja2 template system.
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"""
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parser = argparse.ArgumentParser(epilog=description)
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parser.add_argument(
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'-t', '--template-file', dest='template_file', action='store',
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type=str, help='kickstart template file', required=True
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)
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parser.add_argument(
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'-c', '--config-file', dest='config_file', action='store', type=str,
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help='yaml config file', required=False, default=None
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)
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parser.add_argument(
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'-u', '--config-data', dest='config_data', action='store', type=str,
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help='yaml config input', default='{}'
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)
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parser.add_argument(
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'-o', '--output', dest='output', action='store', type=str,
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help='where to output templating result', default='-'
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)
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params, other_params = parser.parse_known_args()
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ks = KickstartFile(
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template_file=params.template_file,
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config_file=params.config_file,
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config_data=params.config_data
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)
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if params.output == '-':
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print ks.render()
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else:
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ks.render2file(params.output)
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