Class: Kuby::Redis::Instance

Inherits:
Object
  • Object
show all
Extended by:
KubeDSL::ValueFields
Defined in:
lib/kuby/redis/instance.rb

Constant Summary collapse

PORT = 
26379

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, environment) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/kuby/redis/instance.rb', line 23

def initialize(name, environment)
  @name = "#{environment.kubernetes.selector_app}-#{name}"
  @environment = environment
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/kuby/redis/instance.rb', line 10

def environment
  @environment
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/kuby/redis/instance.rb', line 10

def name
  @name
end

Instance Method Details

#connection_params ⇒ Object

github.com/spotahome/redis-operator#connection-to-the-created-redis-failovers The return value of this method is suitable for passing into ‘Redis.new` from the redis-rb gem.



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# File 'lib/kuby/redis/instance.rb', line 43

def connection_params
  {
    sentinels: [{ host: service_name, port: service_port }],
    url: 'redis://mymaster'
  }
end

#custom_config(*args) ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 50

def custom_config(*args)
  redis.spec.redis.custom_config(*args)
end

#kubernetes ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 122

def kubernetes
  environment.kubernetes
end

#redis(&block) ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 54

def redis(&block)
  context = self

  @redis ||= Kuby::Redis.redis_failover do
    api_version 'databases.spotahome.com/v1'

    metadata do
      name context.name
      namespace context.kubernetes.namespace.metadata.name
    end

    spec do
      sentinel do
        replicas context.sentinel_replicas

        resources do
          requests do
            add :cpu, '100m'
          end

          limits do
            add :memory, '100Mi'
          end
        end
      end

      redis do
        replicas context.redis_replicas

        storage do
          keep_after_deletion true

          persistent_volume_claim do
            metadata do
              name "#{context.name}-pvc"
            end

            spec do
              access_modes context.storage_access_modes

              resources do
                requests do
                  add :storage, context.storage
                end
              end
            end
          end
        end

        resources do
          requests do
            add :cpu, context.cpu_request
            add :memory, context.memory_request
          end

          limits do
            add :cpu, context.cpu_limit
            add :memory, context.memory_limit
          end
        end
      end
    end
  end

  @redis.instance_eval(&block) if block
  @redis
end

#resources ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 28

def resources
  @resources ||= [redis]
end

#service_name ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 32

def service_name
  @service_name ||= "rfs-#{name}"
end

#service_port ⇒ Object 



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# File 'lib/kuby/redis/instance.rb', line 36

def service_port
  PORT
end