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Add support for IAM role credentials #104

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merged 10 commits into from
Apr 6, 2015
Merged

Add support for IAM role credentials #104

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4ca876b
Add support for IAM credentials
drosenstark Sep 10, 2014
b65a992
Make all the tests pass
drosenstark Sep 10, 2014
0142ce3
Use AIM role for authentication
Igorshp Mar 10, 2015
6a634e1
formated to pass travis
Igorshp Mar 10, 2015
a32c18f
reindented
Igorshp Mar 10, 2015
2772408
reordered aim creds priority
Igorshp Mar 12, 2015
e3ffa8b
removed trailing whitespaces
Igorshp Mar 12, 2015
b4c3e10
moved include to the top of the file
Igorshp Mar 18, 2015
54c462f
updated based on comments from @tyler-ball
Igorshp Mar 30, 2015
c7485de
fixing travis errors
Igorshp Mar 31, 2015
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26 changes: 18 additions & 8 deletions lib/kitchen/driver/ec2.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ module Driver
# @author Fletcher Nichol <[email protected]>
class Ec2 < Kitchen::Driver::SSHBase

extend Fog::AWS::CredentialFetcher::ServiceMethods
default_config :region, 'us-east-1'
default_config :availability_zone, 'us-east-1b'
default_config :flavor_id, 'm1.small'
Expand All @@ -41,13 +42,13 @@ class Ec2 < Kitchen::Driver::SSHBase
default_config :iam_profile_name, nil
default_config :price, nil
default_config :aws_access_key_id do |driver|
ENV['AWS_ACCESS_KEY'] || ENV['AWS_ACCESS_KEY_ID']
ENV['AWS_ACCESS_KEY'] || ENV['AWS_ACCESS_KEY_ID'] || iam_creds[:aws_access_key_id]
end
default_config :aws_secret_access_key do |driver|
ENV['AWS_SECRET_KEY'] || ENV['AWS_SECRET_ACCESS_KEY']
ENV['AWS_SECRET_KEY'] || ENV['AWS_SECRET_ACCESS_KEY'] || iam_creds[:aws_secret_access_key]
end
default_config :aws_session_token do |driver|
ENV['AWS_SESSION_TOKEN'] || ENV['AWS_TOKEN']
ENV['AWS_SESSION_TOKEN'] || ENV['AWS_TOKEN'] || iam_creds[:aws_session_token]
end
default_config :aws_ssh_key_id do |driver|
ENV['AWS_SSH_KEY_ID']
Expand Down Expand Up @@ -80,7 +81,7 @@ class Ec2 < Kitchen::Driver::SSHBase
validations[d] = lambda do |attr, val, driver|
unless val.nil?
driver.warn "WARN: The config key `#{attr}` is deprecated," +
" please use `block_device_mappings`"
' please use `block_device_mappings`'
end
end
end
Expand All @@ -97,14 +98,23 @@ class Ec2 < Kitchen::Driver::SSHBase
end
end

def self.iam_creds
@iam_creds ||= begin
fetch_credentials(use_iam_profile:true)
rescue RuntimeError => e
debug("fetch_credentials failed with exception #{e.message}:#{e.backtrace.join("\n")}")
{}
end
end

def create(state)
return if state[:server_id]

info("Creating <#{state[:server_id]}>...")
info("If you are not using an account that qualifies under the AWS")
info("free-tier, you may be charged to run these suites. The charge")
info("should be minimal, but neither Test Kitchen nor its maintainers")
info("are responsible for your incurred costs.")
info('If you are not using an account that qualifies under the AWS')
info('free-tier, you may be charged to run these suites. The charge')
info('should be minimal, but neither Test Kitchen nor its maintainers')
info('are responsible for your incurred costs.')

if config[:price]
# Spot instance when a price is set
Expand Down