Workety
¶ ↑
A library to run Ruby classes as daemons.
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process start
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terminal detach
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run as a user/group (root privileges drop)
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signal handling
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logfile
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pidfile, check for already running daemon
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may restart in a case of failure, by forking from watchdog
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may send exceptions to Airbrake and
Exceptional
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Rails environment load at a late stage
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support for mutithreaded workers
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command-line argument parsing by use of the trollop library
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simple API for an application code
Command-line invocation¶ ↑
# run a daemon workety -e development start Workety::SimpleThread --foo=bar # ^^^^^ Start as a daemon # ^^^^^^^^^^^^^^ Options for Workety ^^^^^^^^^ Options for the class # run a thread in the console workety Workety::SimpleThread
SimpleThread
example¶ ↑
class SimpleThread # Before dropping privileges def initialize end # After changing privileges to some user/group def start @t = Thread.workety do until Workety.must_stop? do sleep 1 end end Thread.workety do sleep 10 Workety.stop end end def join @t.join end def stop @t.kill end end
GracefulStopThread
example¶ ↑
class GracefulStopThread # Before dropping privileges def initialize @mutex = Mutex.new @wakeup = ConditionVariable.new end # After changing privileges to some user/group def start @worker = Thread.workety do @mutex.synchronize do until Workety.must_stop? do puts "Hello" @wakeup.wait(@mutex, 10) end end end end def join @worker.join end def stop @mutex.synchronize do @wakeup.signal end end end
Copyright and License¶ ↑
Copyright 2006-2011 Stanislav Senotrusov Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Contributing¶ ↑
Please see our Contributing Guidelines for details.