Class: ConsoleKit::Connections::RedisConnectionHandler

Inherits:
BaseConnectionHandler show all
Defined in:
lib/console_kit/connections/redis_connection_handler.rb

Overview

Handles Redis connections

Constant Summary collapse

DEFAULT_REDIS_DB = 
0

Instance Attribute Summary

Attributes inherited from BaseConnectionHandler

#context

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseConnectionHandler

#initialize, registry, #safe_diagnostics

Methods included from DiagnosticHelpers

clock_time, error_diagnostics, timeout_diagnostics

Constructor Details

This class inherits a constructor from ConsoleKit::Connections::BaseConnectionHandler

Class Method Details

.redis_client ⇒ Object 



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# File 'lib/console_kit/connections/redis_connection_handler.rb', line 12

def redis_client = Redis.try(:current)

.warn_no_auto_select(db_index) ⇒ Object 



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# File 'lib/console_kit/connections/redis_connection_handler.rb', line 14

def warn_no_auto_select(db_index)
  Output.print_warning("Redis DB #{db_index} configured but auto-select not supported with RedisClient. " \
                       'Ensure your Redis configuration sets the correct DB.')
end

Instance Method Details

#available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_kit/connections/redis_connection_handler.rb', line 26

def available? = defined?(Redis)

#connect ⇒ Object 



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# File 'lib/console_kit/connections/redis_connection_handler.rb', line 20

def connect
  db_index = context_attribute(:tenant_redis_db) || DEFAULT_REDIS_DB
  Output.print_info(switch_message(db_index))
  select_redis_db(db_index)
end

#diagnostics ⇒ Object 



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# File 'lib/console_kit/connections/redis_connection_handler.rb', line 28

def diagnostics
  redis = self.class.redis_client if available?
  return unavailable_diagnostics('Redis') unless redis

  perform_diagnostics(redis)
rescue StandardError => e
  error_diagnostics('Redis', e)
end