128 lines
3.8 KiB
Python
128 lines
3.8 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import base64
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import config
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import random
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import string
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import time
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import xml_code_engine
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def update_cf_stack(engine, context, body, template,
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mappings, arguments, **kwargs):
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command_dispatcher = context['/commandDispatcher']
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callback = lambda result: engine.evaluate_content(
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body.find('success'), context)
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command_dispatcher.execute(
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name='cf', command='CreateOrUpdate', template=template,
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mappings=mappings, arguments=arguments, callback=callback)
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def delete_cf_stack(engine, context, body, **kwargs):
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command_dispatcher = context['/commandDispatcher']
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callback = lambda result: engine.evaluate_content(
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body.find('success'), context)
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command_dispatcher.execute(
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name='cf', command='Delete', callback=callback)
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def prepare_user_data(context, hostname, service, unit,
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template='Default', **kwargs):
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settings = config.CONF.rabbitmq
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with open('data/init.ps1') as init_script_file:
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with open('data/templates/agent-config/{0}.template'.format(
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template)) as template_file:
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init_script = init_script_file.read()
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template_data = template_file.read()
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replacements = {
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'%RABBITMQ_HOST%': settings.host,
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'%RABBITMQ_INPUT_QUEUE%': '-'.join(
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[str(context['/dataSource']['name']),
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str(service), str(unit)]).lower(),
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'%RESULT_QUEUE%': '-execution-results-{0}'.format(
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str(context['/dataSource']['name'])).lower(),
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'%RABBITMQ_USER%': settings.login,
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'%RABBITMQ_PASSWORD%': settings.password,
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'%RABBITMQ_VHOST%': settings.virtual_host
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}
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template_data = set_config_params(template_data, replacements)
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init_script = init_script.replace(
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'%WINDOWS_AGENT_CONFIG_BASE64%',
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base64.b64encode(template_data))
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init_script = init_script.replace('%INTERNAL_HOSTNAME%', hostname)
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return init_script
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def set_config_params(template_data, replacements):
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for key in replacements:
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template_data = template_data.replace(key, replacements[key])
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return template_data
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counter = 0
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def int2base(x, base):
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digs = string.digits + string.lowercase
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if x < 0:
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sign = -1
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elif x == 0:
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return '0'
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else:
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sign = 1
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x *= sign
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digits = []
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while x:
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digits.append(digs[x % base])
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x /= base
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if sign < 0:
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digits.append('-')
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digits.reverse()
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return ''.join(digits)
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def generate_hostname(**kwargs):
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global counter
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prefix = ''.join(random.choice(string.lowercase) for _ in range(5))
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timestamp = int2base(int(time.time() * 1000), 36)[:8]
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suffix = int2base(counter, 36)
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counter = (counter + 1) % 1296
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return prefix + timestamp + suffix
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xml_code_engine.XmlCodeEngine.register_function(
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update_cf_stack, "update-cf-stack")
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xml_code_engine.XmlCodeEngine.register_function(
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delete_cf_stack, "delete-cf-stack")
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xml_code_engine.XmlCodeEngine.register_function(
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prepare_user_data, "prepare-user-data")
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xml_code_engine.XmlCodeEngine.register_function(
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generate_hostname, "generate-hostname")
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