heat : add heat-boto test client
Add initial version of the heat cli tool which uses boto - revised following review comments to remove jeos/cfn paths ref #92 Change-Id: I61b5815b250f3b01d33844ff46dd1612000d51fd Signed-off-by: Steven Hardy <shardy@redhat.com>
This commit is contained in:
Steven Hardy
parent
9c7c0dea62
commit
9d0a22f92b
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#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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This is the administration program for heat. It is simply a command-line
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interface for adding, modifying, and retrieving information about the stacks
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belonging to a user. It is a convenience application that talks to the heat
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API server.
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"""
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import gettext
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import optparse
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import os
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import os.path
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import sys
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import time
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import json
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import logging
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from urlparse import urlparse
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# If ../heat/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(possible_topdir, 'heat', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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gettext.install('heat', unicode=1)
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import boto
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from heat import version
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from heat.common import config
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from heat.common import exception
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from heat import utils
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# FIXME : would be better if each of the boto response classes
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# implemented __str__ or a print method, so we could just print
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# them, avoiding all these print functions, boto patch TODO
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def print_stack_event(event):
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'''
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Print contents of a boto.cloudformation.stack.StackEvent object
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'''
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print "EventId : %s" % event.event_id
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print "LogicalResourceId : %s" % event.logical_resource_id
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print "PhysicalResourceId : %s" % event.physical_resource_id
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print "ResourceProperties : %s" % event.resource_properties
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print "ResourceStatus : %s" % event.resource_status
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print "ResourceStatusReason : %s" % event.resource_status_reason
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print "ResourceType : %s" % event.resource_type
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print "StackId : %s" % event.stack_id
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print "StackName : %s" % event.stack_name
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print "Timestamp : %s" % event.timestamp
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print "--"
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def print_stack(s):
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'''
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Print contents of a boto.cloudformation.stack.Stack object
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'''
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print "Capabilities : %s" % s.capabilities
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print "CreationTime : %s" % s.creation_time
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print "Description : %s" % s.description
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print "DisableRollback : %s" % s.disable_rollback
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# FIXME : boto doesn't populate this field, but AWS defines it.
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# bit unclear because the docs say LastUpdatedTime, where all
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# other response structures define LastUpdatedTimestamp
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# need confirmation of real AWS format, probably a documentation bug..
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# print "LastUpdatedTime : %s" % s.last_updated_time
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print "NotificationARNs : %s" % s.notification_arns
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print "Outputs : %s" % s.outputs
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print "Parameters : %s" % s.parameters
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print "StackId : %s" % s.stack_id
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print "StackName : %s" % s.stack_name
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print "StackStatus : %s" % s.stack_status
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print "StackStatusReason : %s" % s.stack_status_reason
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print "TimeoutInMinutes : %s" % s.timeout_in_minutes
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print "--"
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def print_stack_resource(res):
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'''
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Print contents of a boto.cloudformation.stack.StackResource object
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'''
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print "LogicalResourceId : %s" % res.logical_resource_id
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print "PhysicalResourceId : %s" % res.physical_resource_id
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print "ResourceStatus : %s" % res.resource_status
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print "ResourceStatusReason : %s" % res.resource_status_reason
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print "ResourceType : %s" % res.resource_type
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print "StackId : %s" % res.stack_id
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print "StackName : %s" % res.stack_name
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print "Timestamp : %s" % res.timestamp
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print "--"
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def print_stack_resource_summary(res):
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'''
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Print contents of a boto.cloudformation.stack.StackResourceSummary object
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'''
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print "LastUpdatedTimestamp : %s" % res.last_updated_timestamp
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print "LogicalResourceId : %s" % res.logical_resource_id
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print "PhysicalResourceId : %s" % res.physical_resource_id
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print "ResourceStatus : %s" % res.resource_status
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print "ResourceStatusReason : %s" % res.resource_status_reason
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print "ResourceType : %s" % res.resource_type
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print "--"
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def print_stack_summary(s):
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'''
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Print contents of a boto.cloudformation.stack.StackSummary object
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'''
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print "StackId : %s" % s.stack_id
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print "StackName : %s" % s.stack_name
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print "CreationTime : %s" % s.creation_time
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print "StackStatus : %s" % s.stack_status
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print "TemplateDescription : %s" % s.template_description
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print "--"
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@utils.catch_error('validate')
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def template_validate(options, arguments):
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'''
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Validate a template. This command parses a template and verifies that
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it is in the correct format.
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Usage: heat validate \\
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[--template-file=<template file>|--template-url=<template URL>] \\
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[options]
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--template-file: Specify a local template file.
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--template-url: Specify a URL pointing to a stack description template.
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'''
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parameters = {}
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if options.template_file:
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parameters['TemplateBody'] = open(options.template_file).read()
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elif options.template_url:
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parameters['TemplateUrl'] = options.template_url
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else:
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logging.error('Please specify a template file or url')
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return utils.FAILURE
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if options.parameters:
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count = 1
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for p in options.parameters.split(';'):
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(n, v) = p.split('=')
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parameters['Parameters.member.%d.ParameterKey' % count] = n
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parameters['Parameters.member.%d.ParameterValue' % count] = v
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count = count + 1
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client = get_client(options)
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result = client.validate_template(**parameters)
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print result
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@utils.catch_error('estimatetemplatecost')
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def estimate_template_cost(options, arguments):
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parameters = {}
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try:
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parameters['StackName'] = arguments.pop(0)
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except IndexError:
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logging.error("Please specify the stack name you wish to estimate")
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logging.error("as the first argument")
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return utils.FAILURE
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if options.parameters:
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count = 1
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for p in options.parameters.split(';'):
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(n, v) = p.split('=')
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parameters['Parameters.member.%d.ParameterKey' % count] = n
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parameters['Parameters.member.%d.ParameterValue' % count] = v
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count = count + 1
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if options.template_file:
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parameters['TemplateBody'] = open(options.template_file).read()
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elif options.template_url:
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parameters['TemplateUrl'] = options.template_url
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else:
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logging.error('Please specify a template file or url')
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return utils.FAILURE
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c = get_client(options)
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result = c.estimate_template_cost(**parameters)
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print result
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@utils.catch_error('gettemplate')
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def get_template(options, arguments):
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'''
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Gets an existing stack template.
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'''
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.error("Please specify the stack you wish to get")
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logging.error("as the first argument")
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return utils.FAILURE
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c = get_client(options)
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result = c.get_template(stack_name)
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print json.dumps(result)
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@utils.catch_error('create')
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def stack_create(options, arguments):
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'''
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Create a new stack from a template.
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Usage: heat create <stack name> \\
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[--template-file=<template file>|--template-url=<template URL>] \\
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[options]
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Stack Name: The user specified name of the stack you wish to create.
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--template-file: Specify a local template file containing a valid
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stack description template.
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--template-url: Specify a URL pointing to a valid stack description
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template.
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'''
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.error("Please specify the stack name you wish to create")
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logging.error("as the first argument")
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return utils.FAILURE
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params = []
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if options.parameters:
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for p in options.parameters.split(';'):
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(n, v) = p.split('=')
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# Boto expects parameters as a list-of-tuple
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params.append((n, v))
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result = None
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c = get_client(options)
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if options.template_file:
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t = open(options.template_file).read()
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result = c.create_stack(stack_name, template_body=t, parameters=params)
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elif options.template_url:
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result = c.create_stack(stack_name, template_url=options.template_url)
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else:
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logging.error('Please specify a template file or url')
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return utils.FAILURE
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print result
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@utils.catch_error('update')
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def stack_update(options, arguments):
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'''
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Update an existing stack.
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Usage: heat update <stack name> \\
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[--template-file=<template file>|--template-url=<template URL>] \\
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[options]
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Stack Name: The name of the stack you wish to modify.
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--template-file: Specify a local template file containing a valid
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stack description template.
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--template-url: Specify a URL pointing to a valid stack description
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template.
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Options:
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--parameters: A list of key/value pairs separated by ';'s used
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to specify allowed values in the template file.
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'''
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parameters = {}
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.error("Please specify the stack name you wish to update")
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logging.error("as the first argument")
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return utils.FAILURE
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result = None
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c = get_client(options)
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if options.template_file:
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t = open(options.template_file).read()
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result = c.update_stack(stack_name, template_body=t)
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elif options.template_url:
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t = options.template_url
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result = c.update_stack(stack_name, template_url=t)
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if options.parameters:
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count = 1
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for p in options.parameters.split(';'):
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(n, v) = p.split('=')
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parameters['Parameters.member.%d.ParameterKey' % count] = n
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parameters['Parameters.member.%d.ParameterValue' % count] = v
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count = count + 1
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print result
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@utils.catch_error('delete')
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def stack_delete(options, arguments):
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'''
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Delete an existing stack. This shuts down all VMs associated with
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the stack and (perhaps wrongly) also removes all events associated
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with the given stack.
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Usage: heat delete <stack name>
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'''
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.error("Please specify the stack name you wish to delete")
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logging.error("as the first argument")
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return utils.FAILURE
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c = get_client(options)
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result = c.delete_stack(stack_name)
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print result
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@utils.catch_error('describe')
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def stack_describe(options, arguments):
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'''
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Describes an existing stack.
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Usage: heat describe <stack name>
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'''
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.info("No stack name passed, getting results for ALL stacks")
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stack_name = None
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c = get_client(options)
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result = c.describe_stacks(stack_name)
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for s in result:
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print_stack(s)
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@utils.catch_error('event-list')
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def stack_events_list(options, arguments):
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'''
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List events associated with the given stack.
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Usage: heat event-list <stack name>
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'''
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if len(arguments):
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stack_name = arguments.pop(0)
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else:
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logging.info("No stack name passed, getting events for ALL stacks")
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stack_name = None
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c = get_client(options)
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result = c.describe_stack_events(stack_name)
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for e in result:
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print_stack_event(e)
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@utils.catch_error('resource')
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def stack_resource_show(options, arguments):
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'''
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Display details of the specified resource.
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'''
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c = get_client(options)
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try:
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stack_name, resource_name = arguments
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except ValueError:
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print 'Enter stack name and logical resource id'
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return
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result = c.describe_stack_resources(stack_name, resource_name)
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for r in result:
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print_stack_resource(r)
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@utils.catch_error('resource-list')
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def stack_resources_list(options, arguments):
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'''
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Display summary of all resources in the specified stack.
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'''
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c = get_client(options)
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try:
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stack_name = arguments.pop(0)
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except IndexError:
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print 'Enter stack name'
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return
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result = c.list_stack_resources(stack_name)
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for r in result:
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print_stack_resource_summary(r)
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@utils.catch_error('resource-list-details')
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def stack_resources_list_details(options, arguments):
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'''
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Display details of all resources in the specified stack.
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'''
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c = get_client(options)
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logical_resource_id = arguments.pop(0) if arguments else None
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if not options.stack_name and not options.physical_resource_id:
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logging.error(
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"Must specify either stack-name physical-resource-id")
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return
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result = c.describe_stack_resources(options.stack_name,
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logical_resource_id, options.physical_resource_id)
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for r in result:
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print_stack_resource(r)
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@utils.catch_error('list')
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def stack_list(options, arguments):
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'''
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List all running stacks.
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Usage: heat list
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'''
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c = get_client(options)
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result = c.list_stacks()
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for s in result:
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print_stack_summary(s)
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def get_client(options):
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"""
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Returns a new boto client object to a heat server
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"""
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logging.debug("boto config expected in /etc/boto.cfg, reading contents")
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# Retrieve the credentials from the config file
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# FIXME : send patch to boto so it retrives these credentials from its
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# config file, we shouldn't need to manually parse it...
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access_key_id = boto.config.get_value('Credentials', 'aws_access_key_id')
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secret_access_key = boto.config.get_value('Credentials',
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'aws_secret_access_key')
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if (access_key_id and secret_access_key):
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logging.debug("Got credentials id=%s secret=%s" % (access_key_id,
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secret_access_key))
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else:
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logging.error(
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"Failed to get required credentials, please pass in /etc/boto.cfg")
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# FIXME : reopen boto pull-request so that --host can override the
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# host specified in the hostname by passing it via the constructor
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# I implemented this previously, but they preferred the config-file
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# solution..
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cloudformation = boto.connect_cloudformation(
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aws_access_key_id=access_key_id,
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aws_secret_access_key=secret_access_key,
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debug=options.debug, is_secure=False, port=options.port, path="/v1")
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if cloudformation:
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logging.debug("Got CF connection object OK")
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else:
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logging.error("Error establishing connection!")
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sys.exit(1)
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return cloudformation
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def create_options(parser):
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"""
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Sets up the CLI and config-file options that may be
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parsed and program commands.
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:param parser: The option parser
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"""
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parser.add_option('-v', '--verbose', default=False, action="store_true",
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help="Print more verbose output")
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parser.add_option('-d', '--debug', default=False, action="store_true",
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help="Print more verbose output")
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parser.add_option('-y', '--yes', default=False, action="store_true",
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help="Don't prompt for user input; assume the answer to "
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"every question is 'yes'.")
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parser.add_option('-H', '--host', metavar="ADDRESS", default="0.0.0.0",
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help="Address of heat API host. "
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"Default: %default")
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parser.add_option('-p', '--port', dest="port", metavar="PORT",
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type=int, default=config.DEFAULT_PORT,
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help="Port the heat API host listens on. "
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||||
"Default: %default")
|
||||
parser.add_option('-U', '--url', metavar="URL", default=None,
|
||||
help="URL of heat service. This option can be used "
|
||||
"to specify the hostname, port and protocol "
|
||||
"(http/https) of the heat server, for example "
|
||||
"-U https://localhost:" + str(config.DEFAULT_PORT) +
|
||||
"/v1 Default: No<F3>ne")
|
||||
parser.add_option('-k', '--insecure', dest="insecure",
|
||||
default=False, action="store_true",
|
||||
help="Explicitly allow heat to perform \"insecure\" "
|
||||
"SSL (https) requests. The server's certificate will "
|
||||
"not be verified against any certificate authorities. "
|
||||
"This option should be used with caution.")
|
||||
parser.add_option('-A', '--auth_token', dest="auth_token",
|
||||
metavar="TOKEN", default=None,
|
||||
help="Authentication token to use to identify the "
|
||||
"client to the heat server")
|
||||
parser.add_option('-I', '--username', dest="username",
|
||||
metavar="USER", default=None,
|
||||
help="User name used to acquire an authentication token")
|
||||
parser.add_option('-K', '--password', dest="password",
|
||||
metavar="PASSWORD", default=None,
|
||||
help="Password used to acquire an authentication token")
|
||||
parser.add_option('-T', '--tenant', dest="tenant",
|
||||
metavar="TENANT", default=None,
|
||||
help="Tenant name used for Keystone authentication")
|
||||
parser.add_option('-R', '--region', dest="region",
|
||||
metavar="REGION", default=None,
|
||||
help="Region name. When using keystone authentication "
|
||||
"version 2.0 or later this identifies the region "
|
||||
"name to use when selecting the service endpoint. A "
|
||||
"region name must be provided if more than one "
|
||||
"region endpoint is available")
|
||||
parser.add_option('-N', '--auth_url', dest="auth_url",
|
||||
metavar="AUTH_URL", default=None,
|
||||
help="Authentication URL")
|
||||
parser.add_option('-S', '--auth_strategy', dest="auth_strategy",
|
||||
metavar="STRATEGY", default=None,
|
||||
help="Authentication strategy (keystone or noauth)")
|
||||
|
||||
parser.add_option('-u', '--template-url', metavar="template_url",
|
||||
default=None, help="URL of template. Default: None")
|
||||
parser.add_option('-f', '--template-file', metavar="template_file",
|
||||
default=None, help="Path to the template. Default: None")
|
||||
parser.add_option('-t', '--timeout', metavar="timeout",
|
||||
default='60',
|
||||
help='Stack creation timeout in minutes. Default: 60')
|
||||
|
||||
parser.add_option('-P', '--parameters', metavar="parameters", default=None,
|
||||
help="Parameter values used to create the stack.")
|
||||
parser.add_option('-n', '--stack-name', default=None,
|
||||
help="Name of the queried stack")
|
||||
parser.add_option('-c', '--physical-resource-id', default=None,
|
||||
help="Physical ID of the queried resource")
|
||||
|
||||
|
||||
def credentials_from_env():
|
||||
return dict(username=os.getenv('OS_USERNAME'),
|
||||
password=os.getenv('OS_PASSWORD'),
|
||||
tenant=os.getenv('OS_TENANT_NAME'),
|
||||
auth_url=os.getenv('OS_AUTH_URL'),
|
||||
auth_strategy=os.getenv('OS_AUTH_STRATEGY'))
|
||||
|
||||
|
||||
def parse_options(parser, cli_args):
|
||||
"""
|
||||
Returns the parsed CLI options, command to run and its arguments, merged
|
||||
with any same-named options found in a configuration file
|
||||
|
||||
:param parser: The option parser
|
||||
"""
|
||||
if not cli_args:
|
||||
cli_args.append('-h') # Show options in usage output...
|
||||
|
||||
(options, args) = parser.parse_args(cli_args)
|
||||
env_opts = credentials_from_env()
|
||||
for option, env_val in env_opts.items():
|
||||
if not getattr(options, option):
|
||||
setattr(options, option, env_val)
|
||||
|
||||
if options.url is not None:
|
||||
u = urlparse(options.url)
|
||||
options.port = u.port
|
||||
options.host = u.hostname
|
||||
|
||||
if not options.auth_strategy:
|
||||
options.auth_strategy = 'noauth'
|
||||
|
||||
options.use_ssl = (options.url is not None and u.scheme == 'https')
|
||||
|
||||
# HACK(sirp): Make the parser available to the print_help method
|
||||
# print_help is a command, so it only accepts (options, args); we could
|
||||
# one-off have it take (parser, options, args), however, for now, I think
|
||||
# this little hack will suffice
|
||||
options.__parser = parser
|
||||
|
||||
if not args:
|
||||
parser.print_usage()
|
||||
sys.exit(0)
|
||||
|
||||
command_name = args.pop(0)
|
||||
command = lookup_command(parser, command_name)
|
||||
|
||||
if options.debug:
|
||||
logging.basicConfig(format='%(levelname)s:%(message)s',
|
||||
level=logging.DEBUG)
|
||||
logging.debug("Debug level logging enabled")
|
||||
elif options.verbose:
|
||||
logging.basicConfig(format='%(levelname)s:%(message)s',
|
||||
level=logging.INFO)
|
||||
else:
|
||||
logging.basicConfig(format='%(levelname)s:%(message)s',
|
||||
level=logging.WARNING)
|
||||
|
||||
return (options, command, args)
|
||||
|
||||
|
||||
def print_help(options, args):
|
||||
"""
|
||||
Print help specific to a command
|
||||
"""
|
||||
parser = options.__parser
|
||||
|
||||
if not args:
|
||||
parser.print_usage()
|
||||
|
||||
subst = {'prog': os.path.basename(sys.argv[0])}
|
||||
docs = [lookup_command(parser, cmd).__doc__ % subst for cmd in args]
|
||||
print '\n\n'.join(docs)
|
||||
|
||||
|
||||
def lookup_command(parser, command_name):
|
||||
base_commands = {'help': print_help}
|
||||
|
||||
stack_commands = {
|
||||
'create': stack_create,
|
||||
'update': stack_update,
|
||||
'delete': stack_delete,
|
||||
'list': stack_list,
|
||||
'event-list': stack_events_list,
|
||||
'resource': stack_resource_show,
|
||||
'resource-list': stack_resources_list,
|
||||
'resource-list-details': stack_resources_list_details,
|
||||
'validate': template_validate,
|
||||
'gettemplate': get_template,
|
||||
'estimate-template-cost': estimate_template_cost,
|
||||
'describe': stack_describe}
|
||||
|
||||
commands = {}
|
||||
for command_set in (base_commands, stack_commands):
|
||||
commands.update(command_set)
|
||||
|
||||
try:
|
||||
command = commands[command_name]
|
||||
except KeyError:
|
||||
parser.print_usage()
|
||||
sys.exit("Unknown command: %s" % command_name)
|
||||
|
||||
return command
|
||||
|
||||
|
||||
def main():
|
||||
'''
|
||||
'''
|
||||
usage = """
|
||||
%prog <command> [options] [args]
|
||||
|
||||
Commands:
|
||||
|
||||
help <command> Output help for one of the commands below
|
||||
|
||||
create Create the stack
|
||||
|
||||
delete Delete the stack
|
||||
|
||||
describe Describe the stack
|
||||
|
||||
update Update the stack
|
||||
|
||||
list List the user's stacks
|
||||
|
||||
gettemplate Get the template
|
||||
|
||||
estimate-template-cost Returns the estimated monthly cost of a template
|
||||
|
||||
validate Validate a template
|
||||
|
||||
event-list List events for a stack
|
||||
|
||||
resource Describe the resource
|
||||
|
||||
resource-list Show list of resources belonging to a stack
|
||||
|
||||
resource-list-details Detailed view of resources belonging to a stack
|
||||
|
||||
"""
|
||||
|
||||
oparser = optparse.OptionParser(version='%%prog %s'
|
||||
% version.version_string(),
|
||||
usage=usage.strip())
|
||||
create_options(oparser)
|
||||
(opts, cmd, args) = parse_options(oparser, sys.argv[1:])
|
||||
|
||||
try:
|
||||
start_time = time.time()
|
||||
result = cmd(opts, args)
|
||||
end_time = time.time()
|
||||
logging.debug("Completed in %-0.4f sec." % (end_time - start_time))
|
||||
sys.exit(result)
|
||||
except (RuntimeError,
|
||||
NotImplementedError,
|
||||
exception.ClientConfigurationError), ex:
|
||||
oparser.print_usage()
|
||||
logging.error("ERROR: " % ex)
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
[Credentials]
|
||||
# AWS credentials, from keystone ec2-credentials-list
|
||||
aws_access_key_id = YOUR_KEY
|
||||
aws_secret_access_key = YOUR_SECKEY
|
||||
|
||||
[Boto]
|
||||
# Make boto output verbose debugging information
|
||||
debug = 0
|
||||
|
||||
# Override the default AWS endpoint to connect to heat on localhost
|
||||
cfn_region_name = heat
|
||||
cfn_region_endpoint = 127.0.0.1
|
||||
|
||||
# Set the client retries to 1, or errors connecting to heat repeat
|
||||
# which is not useful when debugging API issues
|
||||
num_retries = 1
|
||||
|
|
@ -64,7 +64,7 @@ function run_tests {
|
|||
function run_pep8 {
|
||||
echo "Running pep8 ..."
|
||||
PEP8_OPTIONS="--exclude=$PEP8_EXCLUDE --repeat"
|
||||
PEP8_INCLUDE="bin/heat bin/heat-api bin/heat-engine heat tools setup.py heat/testing/runner.py"
|
||||
PEP8_INCLUDE="bin/heat bin/heat-boto bin/heat-api bin/heat-engine heat tools setup.py heat/testing/runner.py"
|
||||
${wrapper} pep8 $PEP8_OPTIONS $PEP8_INCLUDE
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue