Class: Wellness::SimpleReport

Inherits:
Object
  • Object
show all
Defined in:
lib/wellness/simple_report.rb

Constant Summary collapse

STATUSES = 
{
  'HEALTHY' => 200,
  'DEGRADED' => 200,
  'UNHEALTHY' => 500
}

Instance Method Summary collapse

Constructor Details

#initialize(system) ⇒ SimpleReport

Returns a new instance of SimpleReport.



11
12
13
 
# File 'lib/wellness/simple_report.rb', line 11

def initialize(system)
  @system = system
end

Instance Method Details

#call ⇒ Object 



15
16
17
18
19
20
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/wellness/simple_report.rb', line 15

def call
  non_criticals = []
  criticals = []

  @system.services.each do |name, service|
    result = service.call['status']

    if service.critical?
      criticals << result
    else
      non_criticals << result
    end
  end

  healthy = criticals.all? { |s| s == 'HEALTHY' }
  degraded = non_criticals.any? { |s| s == 'UNHEALTHY' }

  if healthy
    if degraded
      status = 'DEGRADED'
    else
      status = 'HEALTHY'
    end
  else
    status = 'UNHEALTHY'
  end

  render({json: { 'status' => status }, status: STATUSES[status]})
end

#render(options = {}) ⇒ Object

Behaves similar to Rail’s controller render method



46
47
48
49
50
51
 
# File 'lib/wellness/simple_report.rb', line 46

def render(options={})
  status   = options[:status]  || 200
  response = JSON.dump(options[:json])

  [status, { 'Content-Type' => 'application/json' }, [response]]
end