class AwsInstanceList::Metric

Attributes

client[RW]

Public Class Methods

new(region: 'eu-west-1') click to toggle source
# File lib/aws_instance_list/metric.rb, line 9
def initialize region: 'eu-west-1'
  @client=Aws::CloudWatch::Client.new region: region
end

Public Instance Methods

bytes_used_for_cache(cache_cluster_id) click to toggle source
# File lib/aws_instance_list/metric.rb, line 45
def bytes_used_for_cache cache_cluster_id
  resp=statistics( {
    namespace: "AWS/ElastiCache",
    metric_name: "BytesUsedForCache",
    dimensions: [
      {
        name: "CacheClusterId",
        value: cache_cluster_id,
      },
    ],
    start_time: Time.now - 600,
    end_time: Time.now ,
    period: 60,
    statistics: ["Maximum"]
  })

  resp.datapoints.last.maximum

end
cluster_used_space(dimensions) click to toggle source
# File lib/aws_instance_list/metric.rb, line 104
def cluster_used_space dimensions
  resp=statistics( {
    namespace: "AWS/ES",
    metric_name: "ClusterUsedSpace",
    dimensions: dimensions,
    start_time: Time.now - 600,
    end_time: Time.now ,
    period: 60,
    statistics: ["Maximum"]
  })

  if resp.datapoints.empty?
    '-'
  else
    resp.datapoints.last.maximum
  end
end
es_free_storage_space(dimensions) click to toggle source
# File lib/aws_instance_list/metric.rb, line 86
def es_free_storage_space dimensions
  resp=statistics( {
    namespace: "AWS/ES",
    metric_name: "FreeStorageSpace",
    dimensions: dimensions,
    start_time: Time.now - 600,
    end_time: Time.now ,
    period: 60,
    statistics: ["Minimum"]
  })

  if resp.datapoints.empty?
    '-'
  else
    resp.datapoints.last.minimum
  end
end
free_storage_space(db_instance_identifier) click to toggle source
# File lib/aws_instance_list/metric.rb, line 21
def free_storage_space db_instance_identifier
  resp=statistics( {
    namespace: "AWS/RDS",
    metric_name: "FreeStorageSpace",
    dimensions: [
      {
        name: "DBInstanceIdentifier",
        value: db_instance_identifier,
      },
    ],
    start_time: Time.now - 600,
    end_time: Time.now ,
    period: 60,
    statistics: ["Minimum"]
  })

  if resp.datapoints.empty?
    '-'
  else
    resp.datapoints.last.minimum / ( 1024.0 ** 3)
  end

end
freeable_memory(cache_cluster_id) click to toggle source
# File lib/aws_instance_list/metric.rb, line 66
def freeable_memory cache_cluster_id
  resp=statistics( {
    namespace: "AWS/ElastiCache",
    metric_name: "FreeableMemory",
    dimensions: [
      {
        name: "CacheClusterId",
        value: cache_cluster_id,
      },
    ],
    start_time: Time.now - 600,
    end_time: Time.now ,
    period: 60,
    statistics: ["Maximum"]
  })

  resp.datapoints.last.maximum

end
list(options) click to toggle source
# File lib/aws_instance_list/metric.rb, line 17
def list options
  client.list_metrics options
end
statistics(options) click to toggle source
# File lib/aws_instance_list/metric.rb, line 13
def statistics options
  client.get_metric_statistics options
end