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# load submodules, here just for example
Eye.load('./eye/*.rb')
# Eye self-configuration section
Eye.config do
logger '/tmp/eye.log'
end
# Adding application
Eye.application 'test' do
# All options inherits down to the config leafs.
# except `env`, which merging down
# uid "user_name" # run app as a user_name (optional) - available only on ruby >= 2.0
# gid "group_name" # run app as a group_name (optional) - available only on ruby >= 2.0
working_dir File.expand_path(File.join(File.dirname(__FILE__), %w[ processes ]))
stdall 'trash.log' # stdout,err logs for processes by default
env 'APP_ENV' => 'production' # global env for each processes
trigger :flapping, times: 10, within: 1.minute, retry_in: 10.minutes
check :cpu, every: 10.seconds, below: 100, times: 3 # global check for all processes
group 'samples' do
chain grace: 5.seconds # chained start-restart with 5s interval, one by one.
# eye daemonized process
process :sample1 do
pid_file '1.pid' # pid_path will be expanded with the working_dir
start_command 'ruby ./sample.rb'
# when no stop_command or stop_signals, default stop is [:TERM, 0.5, :KILL]
# default `restart` command is `stop; start`
daemonize true
stdall 'sample1.log'
# ensure the CPU is below 30% at least 3 out of the last 5 times checked
check :cpu, below: 30, times: [3, 5]
end
# self daemonized process
process :sample2 do
pid_file '2.pid'
start_command 'ruby ./sample.rb -d --pid 2.pid --log sample2.log'
stop_command 'kill -9 {PID}'
# ensure the memory is below 300Mb the last 3 times checked
check :memory, every: 20.seconds, below: 300.megabytes, times: 3
end
end
# daemon with 3 children
process :forking do
pid_file 'forking.pid'
start_command 'ruby ./forking.rb start'
stop_command 'ruby forking.rb stop'
stdall 'forking.log'
start_timeout 10.seconds
stop_timeout 5.seconds
monitor_children do
restart_command 'kill -2 {PID}' # for this child process
check :memory, below: 300.megabytes, times: 3
end
end
# eventmachine process, daemonized with eye
process :event_machine do |p|
pid_file 'em.pid'
start_command 'ruby em.rb'
stdout 'em.log'
daemonize true
stop_signals [:QUIT, 2.seconds, :KILL]
check :socket, addr: 'tcp://127.0.0.1:33221', every: 10.seconds, times: 2,
timeout: 1.second, send_data: 'ping', expect_data: /pong/
end
# thin process, self daemonized
process :thin do
pid_file 'thin.pid'
start_command 'bundle exec thin start -R thin.ru -p 33233 -d -l thin.log -P thin.pid'
stop_signals [:QUIT, 2.seconds, :TERM, 1.seconds, :KILL]
check :http, url: 'http://127.0.0.1:33233/hello', pattern: /World/,
every: 5.seconds, times: [2, 3], timeout: 1.second
end
end
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