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# Triggers example:
#
# to execute commands inside trigger need to use 2 methods:
# process.execute_async(cmd, opts), and
# process.execute_sync(cmd, opts)
Eye.config do
logger "/tmp/eye.log"
end
Eye.app :triggers do
# Execute shell command before process start
process :a do
pid_file "/tmp/a.pid"
start_command "sleep 100"
daemonize true
# send message async which sendxmpp, before process start
trigger :transition, to: :starting, do: -> {
process.execute_async "sendxmpp -s 'hhahahaa' someone@jabber.org"
}
end
# Touch some file before process start, remove file after process die
process :b do
pid_file "/tmp/b.pid"
start_command "sleep 100"
daemonize true
# before process starting, touch some file
trigger :transition1, to: :starting, do: -> {
process.execute_sync "touch /tmp/bla.file"
}
# after process, crashed, or stopped, remove that file
trigger :transition2, to: :down, do: -> {
process.execute_sync "rm /tmp/bla.file"
}
end
# With restart :c process, send restart to process :a
process :c do
pid_file "/tmp/c.pid"
start_command "sleep 100"
daemonize true
app_name = app.name
trigger :transition, :event => :restarting, :do => ->{
info "send restarting to :a"
Eye::Control.command('restart', "#{app_name}:a")
}
end
# process d cant start, until file /tmp/bla contains string 'bla'
process :d do
pid_file "/tmp/d.pid"
start_command "sleep 100"
daemonize true
trigger :starting_guard, every: 5.seconds, should: -> { `cat /tmp/bla` =~ /bla/ }
end
end
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