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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
# Purpose:
# ec2-ruby-example-create-vpc.rb demonstrates how to create a virtual private cloud
# (VPC) in Amazon Virtual Private Cloud (Amazon VPC) and then tags the VPC.
# snippet-start:[ec2.Ruby.createVpc]
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require 'aws-sdk-ec2'
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# Creates a virtual private cloud (VPC) in
# Amazon Virtual Private Cloud (Amazon VPC) and then tags
# the VPC.
#
# @param ec2_resource [Aws::EC2::Resource] An initialized
# Amazon Elastic Compute Cloud (Amazon EC2) resource object.
# @param cidr_block [String] The IPv4 CIDR block for the subnet.
# @param tag_key [String] The key portion of the tag for the VPC.
# @param tag_value [String] The value portion of the tag for the VPC.
# @return [Boolean] true if the VPC was created and tagged;
# otherwise, false.
# @example
# exit 1 unless vpc_created_and_tagged?(
# Aws::EC2::Resource.new(region: 'us-west-2'),
# '10.0.0.0/24',
# 'my-key',
# 'my-value'
# )
def vpc_created_and_tagged? (
ec2_resource ,
cidr_block ,
tag_key ,
tag_value
)
vpc = ec2_resource . create_vpc ( cidr_block : cidr_block )
# Create a public DNS by enabling DNS support and DNS hostnames.
vpc . modify_attribute ( enable_dns_support : { value : true } )
vpc . modify_attribute ( enable_dns_hostnames : { value : true } )
vpc . create_tags ( tags : [ { key : tag_key , value : tag_value } ] )
puts " Created VPC with ID ' #{ vpc . id } ' and tagged with key " \
" ' #{ tag_key } ' and value ' #{ tag_value } '. "
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true
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rescue StandardError = > e
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puts e . message
false
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end
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# Example usage:
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def run_me
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cidr_block = ''
tag_key = ''
tag_value = ''
region = ''
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# Print usage information and then stop.
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if ARGV [ 0 ] == '--help' || ARGV [ 0 ] == '-h'
puts 'Usage: ruby ec2-ruby-example-create-vpc.rb ' \
'CIDR_BLOCK TAG_KEY TAG_VALUE REGION'
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# Replace us-west-2 with the AWS Region you're using for Amazon EC2.
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puts 'Example: ruby ec2-ruby-example-create-vpc.rb ' \
'10.0.0.0/24 my-key my-value us-west-2'
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exit 1
# If no values are specified at the command prompt, use these default values.
elsif ARGV . count . zero?
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cidr_block = '10.0.0.0/24'
tag_key = 'my-key'
tag_value = 'my-value'
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# Replace us-west-2 with the AWS Region you're using for Amazon EC2.
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region = 'us-west-2'
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# Otherwise, use the values as specified at the command prompt.
else
cidr_block = ARGV [ 0 ]
tag_key = ARGV [ 1 ]
tag_value = ARGV [ 2 ]
region = ARGV [ 3 ]
end
ec2_resource = Aws :: EC2 :: Resource . new ( region : region )
if vpc_created_and_tagged? (
ec2_resource ,
cidr_block ,
tag_key ,
tag_value
)
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puts 'VPC created and tagged.'
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else
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puts 'VPC not created or not tagged.'
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end
end
run_me if $PROGRAM_NAME == __FILE__
# snippet-end:[ec2.Ruby.createVpc]