Module: OkComputer

Defined in:
lib/ok_computer/registry.rb,
lib/ok_computer/check.rb,
lib/ok_computer/engine.rb,
lib/ok_computer/version.rb,
lib/ok_computer/configuration.rb,
lib/ok_computer/check_collection.rb,
lib/ok_computer/built_in_checks/http_check.rb,
lib/ok_computer/built_in_checks/ping_check.rb,
lib/ok_computer/built_in_checks/solr_check.rb,
lib/ok_computer/built_in_checks/cache_check.rb,
lib/ok_computer/built_in_checks/neo4j_check.rb,
lib/ok_computer/built_in_checks/redis_check.rb,
lib/ok_computer/built_in_checks/sequel_check.rb,
lib/ok_computer/built_in_checks/default_check.rb,
lib/ok_computer/built_in_checks/mongoid_check.rb,
lib/ok_computer/built_in_checks/optional_check.rb,
lib/ok_computer/built_in_checks/rabbitmq_check.rb,
lib/ok_computer/built_in_checks/directory_check.rb,
lib/ok_computer/legacy_rails_controller_support.rb,
lib/ok_computer/built_in_checks/app_version_check.rb,
lib/ok_computer/built_in_checks/resque_down_check.rb,
app/controllers/ok_computer/ok_computer_controller.rb,
lib/ok_computer/built_in_checks/ruby_version_check.rb,
lib/ok_computer/built_in_checks/action_mailer_check.rb,
lib/ok_computer/built_in_checks/active_record_check.rb,
lib/ok_computer/built_in_checks/elasticsearch_check.rb,
lib/ok_computer/built_in_checks/generic_cache_check.rb,
lib/ok_computer/built_in_checks/size_threshold_check.rb,
lib/ok_computer/built_in_checks/sidekiq_latency_check.rb,
lib/ok_computer/built_in_checks/resque_backed_up_check.rb,
lib/ok_computer/built_in_checks/resque_scheduler_check.rb,
lib/ok_computer/built_in_checks/mongoid_replica_set_check.rb,
lib/ok_computer/built_in_checks/delayed_job_backed_up_check.rb,
lib/ok_computer/built_in_checks/active_record_migrations_check.rb,
lib/ok_computer/built_in_checks/resque_failure_threshold_check.rb

Overview

Private: Storage of the checks which have been registered with OkComputer.

No one is expected to interact directly with this class, but rather through the outer OkComputer interface.

Defined Under Namespace

Modules: LegacyRailsControllerSupport Classes: ActionMailerCheck, ActiveRecordCheck, ActiveRecordMigrationsCheck, AppVersionCheck, CacheCheck, Check, CheckCollection, DefaultCheck, DelayedJobBackedUpCheck, DirectoryCheck, ElasticsearchCheck, Engine, GenericCacheCheck, HttpCheck, MongoidCheck, MongoidReplicaSetCheck, Neo4jCheck, OkComputerController, OptionalCheck, PingCheck, RabbitmqCheck, RedisCheck, Registry, ResqueBackedUpCheck, ResqueDownCheck, ResqueFailureThresholdCheck, ResqueSchedulerCheck, RubyVersionCheck, SequelCheck, SidekiqLatencyCheck, SizeThresholdCheck, SolrCheck

Constant Summary collapse

VERSION = 
'1.18.4'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.analytics_ignore ⇒ Object

Public: Option to disable third-party app performance tools (.e.g NewRelic) from counting OkComputer routes towards their total.



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# File 'lib/ok_computer/configuration.rb', line 59

def analytics_ignore
  @analytics_ignore
end

.check_in_parallel ⇒ Object

Public: whether to execute checks in parallel.



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# File 'lib/ok_computer/configuration.rb', line 56

def check_in_parallel
  @check_in_parallel
end

.logger ⇒ Object

Public: Logger to use to log check results



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# File 'lib/ok_computer/configuration.rb', line 62

def logger
  @logger
end

.mount_at ⇒ Object

Public: The route to automatically mount the OkComputer engine. Setting to false prevents OkComputer from automatically mounting itself.



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# File 'lib/ok_computer/configuration.rb', line 53

def mount_at
  @mount_at
end

.options ⇒ Object

Private: The options container



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# File 'lib/ok_computer/configuration.rb', line 71

def options
  @options
end

.password ⇒ Object

Private: The password for access to checks



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# File 'lib/ok_computer/configuration.rb', line 68

def password
  @password
end

.username ⇒ Object

Private: The username for access to checks



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# File 'lib/ok_computer/configuration.rb', line 65

def username
  @username
end

Class Method Details

.authenticate(username_try, password_try) ⇒ Object

Public: Attempt to authenticate against required username and password

username - Username to authenticate with password - Password to authenticate with

Returns a Boolean



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# File 'lib/ok_computer/configuration.rb', line 28

def self.authenticate(username_try, password_try)
  return true unless requires_authentication?

  username == username_try && password == password_try
end

.make_optional(checks) ⇒ Object

Public: Mark listed checks as optional



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# File 'lib/ok_computer/configuration.rb', line 44

def self.make_optional(checks)
  checks.each do |check|
    OkComputer::Registry.register check, OkComputer::OptionalCheck.new(OkComputer::Registry.fetch(check))
  end
end

.require_authentication(username, password, options = {}) ⇒ Object

Public: Configure HTTP Basic authentication

username - Username required to view checks password - Password required to view checks options - Hash of additional options

- except - Array of checks to skip authentication for

Examples:

OkComputer.require_authentication("foo", "bar")
# => Require authentication with foo:bar for all checks

OkComputer.require_authentication("foo", "bar", except: %w(default nonsecret))
# => Require authentication with foo:bar for all checks except the checks named "default" and "nonsecret"



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# File 'lib/ok_computer/configuration.rb', line 16

def self.require_authentication(username, password, options = {})
  self.username = username
  self.password = password
  self.options = options
end

.requires_authentication?(params = {}) ⇒ Boolean

Public: Whether OkComputer is configured to require authentication

Returns a Boolean

Returns:

  • (Boolean) 


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# File 'lib/ok_computer/configuration.rb', line 37

def self.requires_authentication?(params={})
  return false if params[:action] == "show" && whitelist.include?(params[:check])

  username && password
end

.whitelist ⇒ Object

# Private: Configure a whitelist of checks to skip authentication



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# File 'lib/ok_computer/configuration.rb', line 74

def whitelist
  options.fetch(:except) { [] }
end