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add default region to use_iam_profile

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This commit is contained in:
Shai Rosenfeld 2016-06-29 15:24:53 -07:00
parent f00473554d
commit 17a05759af
1 changed files with 8 additions and 0 deletions
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8
lib/fog/aws/credential_fetcher.rb
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@ -1,8 +1,11 @@
module Fog
module AWS
module CredentialFetcher
INSTANCE_METADATA_HOST = "http://169.254.169.254"
INSTANCE_METADATA_PATH = "/latest/meta-data/iam/security-credentials/"
INSTANCE_METADATA_AZ = "/latest/meta-data/placement/availability-zone/"
module ServiceMethods
def fetch_credentials(options)
if options[:use_iam_profile] && Fog.mocking?
@ -13,6 +16,8 @@ module Fog
connection = options[:connection] || Excon.new(INSTANCE_METADATA_HOST)
role_name = connection.get(:path => INSTANCE_METADATA_PATH, :expects => 200).body
role_data = connection.get(:path => INSTANCE_METADATA_PATH+role_name, :expects => 200).body
az_data = connection.get(:path => INSTANCE_METADATA_AZ, :expects => 200).body
region = az_data[0..-2] # get region from az
session = Fog::JSON.decode(role_data)
credentials = {}
@ -20,6 +25,9 @@ module Fog
credentials[:aws_secret_access_key] = session['SecretAccessKey']
credentials[:aws_session_token] = session['Token']
credentials[:aws_credentials_expire_at] = Time.xmlschema session['Expiration']
# set region by default to the one the instance is in.
credentials[:region] = region
#these indicate the metadata service is unavailable or has no profile setup
credentials
rescue Excon::Errors::Error => e