Helm-Toolkit: remove unused values generation script.
This PS removes a vestigial script from early development of openstack-helm. Change-Id: I7b28df28f2ff87c31d3f30999b6a1baf20be8270
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Pete Birley
parent
c1e008643d
commit
c0b830fb60
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#! /usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# All Rights Reserved.
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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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"""
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Usage
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$ cat /tmp/globals.yaml
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global:
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neener: teener
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ceph:
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foo: bar
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coo: zoo
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foo:
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hoo: woo
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keystone:
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goo: baz
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---
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$ ./values.py -y /tmp/globals.yaml
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2016-12-14 13:02:31,950 values INFO Processing YAML file /tmp/globals.yaml
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2016-12-14 13:02:31,951 values INFO Writing out /tmp/helmVccaOA/ceph.yaml
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2016-12-14 13:02:31,952 values INFO Writing out /tmp/helmVccaOA/keystone.yaml
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$ cat /tmp/helmVccaOA/ceph.yaml
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global:
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neener: teener
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coo: zoo
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foo:
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hoo: woo
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$ cat /tmp/helmVccaOA/keystone.yaml
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global:
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neener: teener
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goo: baz
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---
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$ helm install --values=/tmp/helmVccaOA/ceph.yaml ./ceph-0.1.0.tgz --namespace=ceph
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"""
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import yaml
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import tempfile
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import sys
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import os
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import logging
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import argparse
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from logging.handlers import SysLogHandler
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LOG = logging.getLogger('values')
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LOG_FORMAT='%(asctime)s %(name)-12s %(levelname)-8s %(message)s'
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LOG_DATE = '%m-%d %H:%M'
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DESCRIPTION = "Values Generator"
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# special top level parameters
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# we will copy to all configs
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COPY_LIST=['global']
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def parse_args():
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ap = argparse.ArgumentParser(description=DESCRIPTION)
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ap.add_argument('-d', '--debug', action='store_true',
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default=False, help='Enable debugging')
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ap.add_argument('-y', '--yaml', action='store',
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required=True, help='Path to Master YAML File')
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return ap.parse_args()
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def setup_logging(args):
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level = logging.DEBUG if args.debug else logging.INFO
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logging.basicConfig(level=level, format=LOG_FORMAT, date_fmt=LOG_DATE)
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handler = SysLogHandler(address='/dev/log')
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syslog_formatter = logging.Formatter('%(name)s: %(levelname)s %(message)s')
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handler.setFormatter(syslog_formatter)
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LOG.addHandler(handler)
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def is_path_creatable(pathname):
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'''
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`True` if the current user has sufficient permissions to create the passed
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pathname; `False` otherwise.
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'''
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# Parent directory of the passed path. If empty, we substitute the current
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# working directory (CWD) instead.
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dirname = os.path.dirname(pathname) or os.getcwd()
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return os.access(dirname, os.W_OK)
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def process_yaml(yaml_path):
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'''
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Processes YAML file and generates breakdown of top level
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keys
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'''
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# perform some basic validation
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if not os.path.isfile(yaml_path):
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LOG.exception("The path %s does not point to a valid file", yaml_path)
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sys.exit(1)
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tmp_dir = tempfile.mkdtemp(prefix='helm', dir='/tmp')
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yamldata = yaml.load(open(yaml_path).read())
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for top_level in yamldata.keys():
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if top_level in COPY_LIST:
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continue
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top_level_path = os.path.join(tmp_dir, top_level + '.yaml')
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if is_path_creatable(top_level_path):
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with open(top_level_path, 'w') as f:
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LOG.info("Writing out %s", top_level_path)
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for item in COPY_LIST:
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if item in yamldata.keys():
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f.write(yaml.dump({item: yamldata[item]}, default_flow_style=False))
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f.write(yaml.dump(yamldata[top_level], default_flow_style=False))
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else:
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LOG.exception("Unable to create path %s based on top level key in %s" % (top_level_path, yaml_path))
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def run(args):
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LOG.info("Processing YAML file %s", args.yaml)
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process_yaml(args.yaml)
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if __name__ == '__main__':
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args = parse_args()
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setup_logging(args)
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try:
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run(args)
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sys.exit(0)
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except Exception as err:
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LOG.exception(err)
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sys.exit(1)
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