Class: Rack::ECG::Check::RedisConnection

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/ecg/check/redis_connection.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parameters = {}) ⇒ RedisConnection

Checks whether the given Redis client is currently connected to the database as identified by the instance option.

Parameters:

  • parameters (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (parameters):

  • instance (Redis) —

    The Redis client



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# File 'lib/rack/ecg/check/redis_connection.rb', line 13

def initialize(parameters = {})
  @redis_instance = parameters[:instance]
end

Instance Attribute Details

#redis_instance ⇒ Object (readonly)

Returns the value of attribute redis_instance.



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# File 'lib/rack/ecg/check/redis_connection.rb', line 7

def redis_instance
  @redis_instance
end

Instance Method Details

#result ⇒ Object 



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# File 'lib/rack/ecg/check/redis_connection.rb', line 17

def result
  value = ""
  status = Status::OK
  begin
    if redis_instance.nil?
      status = Status::ERROR
      value = "Redis instance parameters not found"
    elsif defined?(::Redis)
      value = redis_instance.connected?
      status = value ? Status::OK : Status::ERROR
    else
      status = Status::ERROR
      value = "Redis not found"
    end
  rescue => e
    status = Status::ERROR
    value = e.message
  end

  Result.new(:redis, status, value.to_s)
end