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module Fog
module AWS
class CloudWatch
class Real
require 'fog/aws/parsers/cloud_watch/get_metric_statistics'
# Fetch datapoints for a metric. At most 1440 datapoints will be returned, the most datapoints that can be queried is 50850
# StartTime is capped to 2 weeks ago
# ==== Options
# * Namespace<~String>: the namespace of the metric
# * MetricName<~String>: the name of the metric
# * StartTime<~Datetime>: when to start fetching datapoints from (inclusive)
# * EndTime<~Datetime>: used to determine the last datapoint to fetch (exclusive)
# * Period<~Integer>: Granularity, in seconds of the returned datapoints. Must be a multiple of 60, and at least 60
# * Statistics<~Array>: An array of up to 5 strings, which name the statistics to return
# * Unit<~String>: The unit for the metric
# * Dimensions<~Array>: a list of dimensions to filter against (optional)
# Name : The name of the dimension
# Value : The value to filter against
# ==== Returns
# * response<~Excon::Response>:
#
# ==== See Also
# http://docs.amazonwebservices.com/AmazonCloudWatch/latest/APIReference/API_GetMetricStatistics.html
#
def get_metric_statistics(options={})
%w{Statistics StartTime EndTime Period MetricName Namespace}.each do |required_parameter|
raise ArgumentError, "Must provide #{required_parameter}" unless options.key?(required_parameter)
end
statistics = options.delete 'Statistics'
options.merge!(AWS.indexed_param('Statistics.member.%d', [*statistics]))
if dimensions = options.delete('Dimensions')
options.merge!(AWS.indexed_param('Dimensions.member.%d.Name', dimensions.map {|dimension| dimension['Name']}))
options.merge!(AWS.indexed_param('Dimensions.member.%d.Value', dimensions.map {|dimension| dimension['Value']}))
end
request({
'Action' => 'GetMetricStatistics',
:parser => Fog::Parsers::AWS::CloudWatch::GetMetricStatistics.new
}.merge(options))
end
end
end
end
end
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