Class: AwsInstanceList::Metric

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of Metric.



9
10
11
 
# File 'lib/aws_instance_list/metric.rb', line 9

def initialize region: 'eu-west-1'
  @client=Aws::CloudWatch::Client.new region: region
end

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client.



7
8
9
 
# File 'lib/aws_instance_list/metric.rb', line 7

def client
  @client
end

Instance Method Details

#bytes_used_for_cache(cache_cluster_id) ⇒ Object 



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# 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) ⇒ Object 



104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
 
# 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) ⇒ Object 



86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
 
# 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) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# 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) ⇒ Object 



66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# 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) ⇒ Object 



17
18
19
 
# File 'lib/aws_instance_list/metric.rb', line 17

def list options
  client.list_metrics options
end

#statistics(options) ⇒ Object 



13
14
15
 
# File 'lib/aws_instance_list/metric.rb', line 13

def statistics options
  client.get_metric_statistics options
end