Class: RailsHealthChecks::Checks::RedisCheck

Inherits:
RailsHealthChecks::Check show all
Defined in:
lib/rails_health_checks/checks/redis_check.rb

Instance Attribute Summary

Attributes inherited from RailsHealthChecks::Check

#latency_ms, #message, #status, #timeout

Instance Method Summary collapse

Constructor Details

#initialize(url: nil) ⇒ RedisCheck

Returns a new instance of RedisCheck.



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# File 'lib/rails_health_checks/checks/redis_check.rb', line 6

def initialize(url: nil)
  unless defined?(::Redis)
    raise LoadError, "Redis is not installed. Add `gem 'redis'` to your Gemfile to use the :redis check."
  end

  @url = url
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/rails_health_checks/checks/redis_check.rb', line 14

def call
  measure do
    client = ::Redis.new(url: @url || ENV.fetch("REDIS_URL", "redis://localhost:6379/0"))
    client.ping
    client.close
  end
  pass
rescue StandardError => e
  fail_with(e.message)
end