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DESCRIPTION: ↑

This cookbooks installs Redis 2 key-value datastore server. Redis can be installed from packages (where available) or source.

REQUIREMENTS: ↑

For compiling from source: build-essential

ATTRIBUTES: ↑

redis2.install_from

package to install from distro packages, any other value to install from source.

redis2.instances.default

default attributes for all redis instances, will be merged with per instance attributes

redis2.instances.instance_name

per instance configuration attributes tree

USAGE: ↑

This cookbook implements redis instances as a definition. If you plan to run only one instance, use the redis::default_instance recipe which call a “redis_default” redis_instance. To spawn instances of redis, use the redis_instance definition, usage is pretty straight forward:

redis_instance "datastore" do
  port 8866
  data_dir "/mnt/redis/datastore"
  master master_node
end

port, data_dir and master are the only attributes directly configurable using the definition syntax. Other attributes can be configured using the normal attribute interface under the node["redis2"]["instances"][instance_name] scope. Missing attributes will be merged from node["redis2"]["instances"]["default"]

The master attribute will set up redis as a slave of a the same redis instance on another server. It will not set node["redis2"]["instances"][instance_name]["replication"]["role"] (which can be slave or master), because redis can be both at the same time (e.g. chained masters).

Recipes ↑

  • redis2::auto - automagically call redis_instance for every instance defined in the node["redis2"]["instances"] tree.

  • redis2::default_instance - use this if you want a simple recipe with a single redis instance

It’s generally not a good idea to use the redis2::default_instance recipe. If you want a single redis instance, either use redis_instance definition or redis2::auto and define your instance in the attributes tree.