220 lines
7.3 KiB
Python
Executable File
220 lines
7.3 KiB
Python
Executable File
#!/usr/bin/env python
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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 collections
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import copy
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import os
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import sys
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import traceback
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import yaml
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import six
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import re
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#convert comments into 'comments<num>: ...' YAML
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def to_commented_yaml(filename):
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out_str = ''
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last_non_comment_spaces = ''
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with open(filename, 'r') as f:
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comment_count = 0
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for line in f:
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char_count = 0
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spaces = ''
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for char in line:
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char_count += 1
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if char == ' ':
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spaces+=' '
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next;
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elif char == '#':
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comment_count += 1
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comment = line[char_count:-1]
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out_str += "%scomment%i_%i: '%s'\n" % (last_non_comment_spaces, comment_count, len(spaces), comment)
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break;
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else:
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last_non_comment_spaces = spaces
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out_str += line
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#inline comments check
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m = re.match(".*:.*#(.*)", line)
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if m:
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comment_count += 1
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out_str += "%s inline_comment%i: '%s'\n" % (last_non_comment_spaces, comment_count, m.group(1))
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break;
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with open(filename, 'w') as f:
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f.write(out_str)
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return out_str
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#convert back to normal #commented YAML
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def to_normal_yaml(filename):
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with open(filename, 'r') as f:
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data = f.read()
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out_str = ''
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next_line_break = False
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for line in data.split('\n'):
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m = re.match(" +comment[0-9]+_([0-9]+): '(.*)'.*", line) #normal comments
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i = re.match(" +inline_comment[0-9]+: '(.*)'.*", line) #inline comments
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if m:
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if next_line_break:
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out_str += '\n'
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next_line_break = False
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for x in range(0, int(m.group(1))):
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out_str += " "
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out_str += "#%s\n" % m.group(2)
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elif i:
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out_str += " #%s\n" % i.group(1)
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next_line_break = False
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else:
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if next_line_break:
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out_str += '\n'
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out_str += line
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next_line_break = True
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if next_line_break:
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out_str += '\n'
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with open(filename, 'w') as f:
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f.write(out_str)
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return out_str
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class description(six.text_type):
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pass
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# FIXME: Some of this duplicates code from build_endpoint_map.py, we should
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# refactor to share the common code
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class TemplateDumper(yaml.SafeDumper):
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def represent_ordered_dict(self, data):
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return self.represent_dict(data.items())
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def description_presenter(self, data):
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if '\n' in data:
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style = '>'
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else:
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style = ''
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return self.represent_scalar(
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yaml.resolver.BaseResolver.DEFAULT_SCALAR_TAG, data, style=style)
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# We load mappings into OrderedDict to preserve their order
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class TemplateLoader(yaml.SafeLoader):
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def construct_mapping(self, node):
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self.flatten_mapping(node)
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return collections.OrderedDict(self.construct_pairs(node))
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TemplateDumper.add_representer(description,
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TemplateDumper.description_presenter)
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TemplateDumper.add_representer(collections.OrderedDict,
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TemplateDumper.represent_ordered_dict)
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TemplateLoader.add_constructor(yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG,
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TemplateLoader.construct_mapping)
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def write_template(template, filename=None):
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with open(filename, 'w') as f:
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yaml.dump(template, f, TemplateDumper, width=120, default_flow_style=False)
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def exit_usage():
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print('Usage %s <yaml file>' % sys.argv[0])
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sys.exit(1)
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def convert(filename):
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print('Converting %s' % filename)
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try:
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tpl = yaml.load(open(filename).read(), Loader=TemplateLoader)
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except Exception:
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print(traceback.format_exc())
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return 0
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# Check which path we need for run-os-net-config.sh because we have
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# nic config templates in the top-level and network/config
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script_paths = ['network/scripts/run-os-net-config.sh',
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'../../scripts/run-os-net-config.sh']
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script_path = None
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for p in script_paths:
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check_path = os.path.join(os.path.dirname(filename), p)
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if os.path.isfile(check_path):
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print("Found %s, using %s" % (check_path, p))
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script_path = p
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if script_path is None:
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print("Error couldn't find run-os-net-config.sh relative to filename")
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exit_usage()
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for r in (tpl.get('resources', {})).items():
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if (r[1].get('type') == 'OS::Heat::StructuredConfig' and
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r[1].get('properties', {}).get('group') == 'os-apply-config' and
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r[1].get('properties', {}).get('config', {}).get('os_net_config')):
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#print("match %s" % r[0])
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new_r = collections.OrderedDict()
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new_r['type'] = 'OS::Heat::SoftwareConfig'
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new_r['properties'] = collections.OrderedDict()
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new_r['properties']['group'] = 'script'
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old_net_config = r[1].get(
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'properties', {}).get('config', {}).get('os_net_config')
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new_config = {'str_replace': collections.OrderedDict()}
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new_config['str_replace']['template'] = {'get_file': script_path}
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new_config['str_replace']['params'] = {'$network_config': old_net_config}
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new_r['properties']['config'] = new_config
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tpl['resources'][r[0]] = new_r
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else:
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print("No match %s" % r[0])
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return 0
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# Preserve typical HOT template key ordering
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od_result = collections.OrderedDict()
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# Need to bump the HOT version so str_replace supports serializing to json
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od_result['heat_template_version'] = "2016-10-14"
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if tpl.get('description'):
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od_result['description'] = description(tpl['description'])
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od_result['parameters'] = tpl['parameters']
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od_result['resources'] = tpl['resources']
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od_result['outputs'] = tpl['outputs']
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#print('Result:')
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#print('%s' % yaml.dump(od_result, Dumper=TemplateDumper, width=120, default_flow_style=False))
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#print('---')
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#replace = raw_input(
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#"Replace file %s? Answer y/n" % filename).lower() == 'y'
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#if replace:
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#print("Replace %s" % filename)
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write_template(od_result, filename)
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#else:
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# print("NOT replacing %s" % filename)
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# return 0
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return 1
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if len(sys.argv) < 2:
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exit_usage()
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path_args = sys.argv[1:]
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exit_val = 0
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num_converted = 0
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for base_path in path_args:
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if os.path.isfile(base_path) and base_path.endswith('.yaml'):
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to_commented_yaml(base_path)
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num_converted += convert(base_path)
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to_normal_yaml(base_path)
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else:
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print('Unexpected argument %s' % base_path)
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exit_usage()
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if num_converted == 0:
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exit_val = 1
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sys.exit(exit_val)
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