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module Fog
module AWS
class CloudWatch < Fog::Service
extend Fog::AWS::CredentialFetcher::ServiceMethods
requires :aws_access_key_id, :aws_secret_access_key
recognizes :region, :host, :path, :port, :scheme, :persistent, :use_iam_profile, :aws_session_token, :aws_credentials_expire_at, :instrumentor, :instrumentor_name
request_path 'fog/aws/requests/cloud_watch'
request :list_metrics
request :get_metric_statistics
request :put_metric_data
request :describe_alarms
request :put_metric_alarm
request :delete_alarms
request :describe_alarm_history
request :enable_alarm_actions
request :disable_alarm_actions
request :describe_alarms_for_metric
request :set_alarm_state
model_path 'fog/aws/models/cloud_watch'
model :metric
collection :metrics
model :metric_statistic
collection :metric_statistics
model :alarm_datum
collection :alarm_data
model :alarm_history
collection :alarm_histories
model :alarm
collection :alarms
class Mock
def self.data
@data ||= Hash.new do |hash, region|
hash[region] = Hash.new do |region_hash, key|
region_hash[key] = {
:metric_alarms => {}
}
end
end
end
def self.reset
@data = nil
end
def initialize(options={})
@aws_access_key_id = options[:aws_access_key_id]
@region = options[:region] || 'us-east-1'
Fog::AWS.validate_region!(@region)
end
def data
self.class.data[@region][@aws_access_key_id]
end
def reset_data
self.class.data[@region].delete(@aws_access_key_id)
end
end
class Real
include Fog::AWS::CredentialFetcher::ConnectionMethods
# Initialize connection to Cloudwatch
#
# ==== Notes
# options parameter must include values for :aws_access_key_id and
# :aws_secret_access_key in order to create a connection
#
# ==== Examples
# elb = CloudWatch.new(
# :aws_access_key_id => your_aws_access_key_id,
# :aws_secret_access_key => your_aws_secret_access_key
# )
#
# ==== Parameters
# * options<~Hash> - config arguments for connection. Defaults to {}.
# * region<~String> - optional region to use. For instance, 'eu-west-1', 'us-east-1', etc.
#
# ==== Returns
# * CloudWatch object with connection to AWS.
def initialize(options={})
@use_iam_profile = options[:use_iam_profile]
@connection_options = options[:connection_options] || {}
@instrumentor = options[:instrumentor]
@instrumentor_name = options[:instrumentor_name] || 'fog.aws.cloud_watch'
options[:region] ||= 'us-east-1'
@region = options[:region]
@host = options[:host] || "monitoring.#{options[:region]}.amazonaws.com"
@path = options[:path] || '/'
@persistent = options[:persistent] || false
@port = options[:port] || 443
@scheme = options[:scheme] || 'https'
@connection = Fog::XML::Connection.new("#{@scheme}://#{@host}:#{@port}#{@path}", @persistent, @connection_options)
setup_credentials(options)
end
def reload
@connection.reset
end
private
def setup_credentials(options)
@aws_access_key_id = options[:aws_access_key_id]
@aws_secret_access_key = options[:aws_secret_access_key]
@aws_session_token = options[:aws_session_token]
@aws_credentials_expire_at = options[:aws_credentials_expire_at]
@signer = Fog::AWS::SignatureV4.new( @aws_access_key_id, @aws_secret_access_key,@region,'monitoring')
end
def request(params)
refresh_credentials_if_expired
idempotent = params.delete(:idempotent)
parser = params.delete(:parser)
body, headers = AWS.signed_params_v4(
params,
{ 'Content-Type' => 'application/x-www-form-urlencoded' },
{
:signer => @signer,
:aws_session_token => @aws_session_token,
:host => @host,
:path => @path,
:port => @port,
:version => '2010-08-01',
:method => 'POST'
}
)
if @instrumentor
@instrumentor.instrument("#{@instrumentor_name}.request", params) do
_request(body, headers, idempotent, parser)
end
else
_request(body, headers, idempotent, parser)
end
end
def _request(body, headers, idempotent, parser)
@connection.request({
:body => body,
:expects => 200,
:headers => headers,
:idempotent => idempotent,
:method => 'POST',
:parser => parser
})
end
end
end
end
end
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