Class: Sqeduler::Service
- Inherits:
-
Object
- Object
- Sqeduler::Service
- Defined in:
- lib/sqeduler/service.rb
Overview
Singleton class for configuring this Gem.
Constant Summary collapse
- SCHEDULER_TIMEOUT =
60
- MINIMUM_REDIS_VERSION =
"2.6.12"
Class Attribute Summary collapse
-
.config ⇒ Object
Returns the value of attribute config.
Class Method Summary collapse
- .config_scheduler ⇒ Object
- .config_sidekiq_client ⇒ Object
- .config_sidekiq_server ⇒ Object
- .logger ⇒ Object
- .parse_schedule(path) ⇒ Object
-
.redis_pool ⇒ Object
A singleton redis ConnectionPool for Sidekiq::Scheduler, Sqeduler::Worker::Synchronization, Sqeduler::Worker::KillSwitch.
- .scheduling? ⇒ Boolean
- .setup_sidekiq_redis(config) ⇒ Object
- .start ⇒ Object
- .verify_redis_pool(redis_pool) ⇒ Object
Class Attribute Details
.config ⇒ Object
Returns the value of attribute config.
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# File 'lib/sqeduler/service.rb', line 11 def config @config end |
Class Method Details
.config_scheduler ⇒ Object
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# File 'lib/sqeduler/service.rb', line 70 def config_scheduler if scheduling? logger.info "Initializing Sidekiq::Scheduler with schedule #{config.schedule_path}" ::Sidekiq::Scheduler. = { :trigger_lock => TriggerLock.new } ::Sidekiq.schedule = parse_schedule(config.schedule_path) else logger.warn "No schedule_path provided. Not starting Sidekiq::Scheduler." end end |
.config_sidekiq_client ⇒ Object
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# File 'lib/sqeduler/service.rb', line 51 def config_sidekiq_client logger.info "Initializing Sidekiq client" ::Sidekiq.configure_client do |config| setup_sidekiq_redis(config) if Service.config.on_client_start Service.config.on_client_start.call(config) end config.client_middleware do |chain| chain.add(Sqeduler::Middleware::KillSwitch) end end end |
.config_sidekiq_server ⇒ Object
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# File 'lib/sqeduler/service.rb', line 31 def config_sidekiq_server logger.info "Initializing Sidekiq server" ::Sidekiq.configure_server do |config| setup_sidekiq_redis(config) if Service.scheduling? config.on(:shutdown) do # Make sure any scheduling locks are released on shutdown. Sidekiq::Scheduler.rufus_scheduler.stop end end # the server can also enqueue jobs config.client_middleware do |chain| chain.add(Sqeduler::Middleware::KillSwitch) end Service.config.on_server_start.call(config) if Service.config.on_server_start end end |
.logger ⇒ Object
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# File 'lib/sqeduler/service.rb', line 105 def logger return config.logger if config.logger if defined?(Rails) Rails.logger else fail ArgumentError, "No logger provided and Rails.logger cannot be inferred" end end |
.parse_schedule(path) ⇒ Object
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# File 'lib/sqeduler/service.rb', line 82 def parse_schedule(path) fail "Schedule file #{path} does not exist!" unless File.exist?(path) file_contents = File.read(path) YAML.load(ERB.new(file_contents).result) end |
.redis_pool ⇒ Object
A singleton redis ConnectionPool for Sidekiq::Scheduler, Sqeduler::Worker::Synchronization, Sqeduler::Worker::KillSwitch. Should be separate from Sidekiq's so that we don't saturate the client and server connection pools.
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# File 'lib/sqeduler/service.rb', line 96 def redis_pool @redis_pool ||= begin redis = { :namespace => "sqeduler" }.merge(config.redis_hash) ::Sidekiq::RedisConnection.create(redis).tap do |redis_pool| verify_redis_pool(redis_pool) end end end |
.scheduling? ⇒ Boolean
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# File 'lib/sqeduler/service.rb', line 88 def scheduling? !config.schedule_path.to_s.empty? end |
.setup_sidekiq_redis(config) ⇒ Object
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# File 'lib/sqeduler/service.rb', line 65 def setup_sidekiq_redis(config) return if Service.config.redis_hash.nil? || Service.config.redis_hash.empty? config.redis = Service.config.redis_hash end |
.start ⇒ Object
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# File 'lib/sqeduler/service.rb', line 13 def start fail "No config provided" unless config config_sidekiq_server config_sidekiq_client config_scheduler end |
.verify_redis_pool(redis_pool) ⇒ Object
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# File 'lib/sqeduler/service.rb', line 20 def verify_redis_pool(redis_pool) return @verified if defined?(@verified) redis_pool.with do |redis| version = redis.info["redis_version"] unless Gem::Version.new(version) >= Gem::Version.new(MINIMUM_REDIS_VERSION) fail "Must be using redis >= #{MINIMUM_REDIS_VERSION}" end @verified = true end end |