Class: AwsInstanceList::ElastiCache

Inherits:
Base
  • Object
show all
Defined in:
lib/aws_instance_list/elasti_cache.rb

Instance Attribute Summary

Attributes inherited from Base

#client, #metric, #region

Instance Method Summary collapse

Methods inherited from Base

#demodulize, #instances, #yaml, #yaml_default, #yaml_file

Constructor Details

#initialize(region: 'eu-west-1') ⇒ ElastiCache

Returns a new instance of ElastiCache.



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# File 'lib/aws_instance_list/elasti_cache.rb', line 7

def initialize region: 'eu-west-1'

  super region: region

  @client=Aws::ElastiCache::Client.new region: region

end

Instance Method Details

#bytes_used_for_cache(cache_cluster_id) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 23

def bytes_used_for_cache cache_cluster_id
  metric.bytes_used_for_cache cache_cluster_id
end

#cache_list(options: {}, fields: nil) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 31

def cache_list options: {}, fields: nil

  fields||=load_cache_fields

  instances(options).map do |i|
    fields.map { |f| i.send(f) } + metrics(i) << region
  end
end

#descriptions(options = {}) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 19

def descriptions options={}
  client.describe_cache_clusters(options)
end

#freeable_memory(cache_cluster_id) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 27

def freeable_memory cache_cluster_id
  metric.freeable_memory cache_cluster_id
end

#group_name(i) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 40

def group_name i
  i.cache_parameter_group.cache_parameter_group_name
end

#list_method ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 15

def list_method
  :cache_clusters
end

#load_cache_fields ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 48

def load_cache_fields
  yaml['cache']['fields']
end

#maxmemory(cache_node_type) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 44

def maxmemory cache_node_type
  yaml['maxmemory'][cache_node_type]
end

#metrics(instance) ⇒ Object 



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# File 'lib/aws_instance_list/elasti_cache.rb', line 52

def metrics instance
  used=bytes_used_for_cache(instance.cache_cluster_id) / 1024
  total=maxmemory(instance.cache_node_type) / 1024
  [total, used]
end