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