I've observed the same behavior; I've even seen that it recoginzes the the flapping and unmonitors it, but it comes right back into play on the next poll, like the timeout between the last time it was unmonitored has expired before it should attempt to restart it is being ignored.
On Sun, May 12, 2013 at 9:23 AM, Simon Oulevay <[email protected]>wrote: > Hi. I'm trying to configure God's flapping condition to avoid infinite > restarts when a problem happens, but I can't seem to make it work. It's > never detecting the flapping state. > > That's my God configuration: > > God.watch do |w| > > w.name = "myapp-unicorn" > w.group = "myapp" > w.dir = RAILS_ROOT > > w.env = { 'RAILS_ENV' => environment } > > w.start = "bundle exec unicorn -c config/unicorn.rb -E #{environment} -D" > w.stop = "kill -s QUIT `cat #{PID_FILE}`" > w.restart = "kill -s USR2 `cat #{PID_FILE}`" > > w.pid_file = PID_FILE > w.behavior :clean_pid_file > > w.interval = 30.seconds > > w.start_if do |start| > start.condition(:process_running) do |c| > c.interval = 15.seconds > c.running = false > #c.notify = 'developers' > end > end > > w.restart_if do |restart| > restart.condition(:memory_usage) do |c| > c.above = 150.megabytes > c.times = [3, 5] # 3 out of 5 intervals > #c.notify = 'developers' > end > > restart.condition(:cpu_usage) do |c| > c.above = 50.percent > c.times = 5 > #c.notify = 'developers' > end > end > > w.lifecycle do |on| > on.condition(:flapping) do |c| > c.to_state = [:start, :restart] > c.times = 5 > c.within = 5.minute > c.transition = :unmonitored > c.retry_in = 10.minutes > c.retry_times = 5 > c.retry_within = 2.hours > #c.notify = 'developers' > end > end > end > > > So I tried to change bundle exec to budle exec in the start configuration > above to cause an error. This is what happens when I start god: > > $ RAILS_ENV=staging bundle exec god -c config/god.rb -D > I [2013-05-07 12:16:19] INFO: Loading config/god.rb > I [2013-05-07 12:16:19] INFO: Syslog enabled. > I [2013-05-07 12:16:19] INFO: Using pid file directory: > /home/myapp/.god/pids > I [2013-05-07 12:16:19] INFO: Started on drbunix:///tmp/god.17165.sock > I [2013-05-07 12:16:19] INFO: myapp-unicorn move 'unmonitored' to 'up' > I [2013-05-07 12:16:19] INFO: myapp-unicorn moved 'unmonitored' to 'up' > I [2013-05-07 12:16:19] INFO: myapp-unicorn [trigger] process is not > running (ProcessRunning) > I [2013-05-07 12:16:19] INFO: myapp-unicorn move 'up' to 'start' > I [2013-05-07 12:16:19] INFO: myapp-unicorn before_start: no pid file to > delete (CleanPidFile) > I [2013-05-07 12:16:19] INFO: myapp-unicorn start: budle exec unicorn -c > config/unicorn.rb -E staging -D > W [2013-05-07 12:16:19] WARN: myapp-unicorn start command exited with > non-zero code = 1 > I [2013-05-07 12:16:19] INFO: myapp-unicorn moved 'up' to 'up' > I [2013-05-07 12:16:19] INFO: myapp-unicorn [trigger] process is not > running (ProcessRunning) > I [2013-05-07 12:16:19] INFO: myapp-unicorn move 'up' to 'start' > I [2013-05-07 12:16:19] INFO: myapp-unicorn before_start: no pid file to > delete (CleanPidFile) > I [2013-05-07 12:16:19] INFO: myapp-unicorn start: budle exec unicorn -c > config/unicorn.rb -E staging -D > W [2013-05-07 12:16:19] WARN: myapp-unicorn start command exited with > non-zero code = 1 > I [2013-05-07 12:16:19] INFO: myapp-unicorn moved 'up' to 'up' > > ... > > > And it keeps doing that, trying to restart several times per second. I > stopped it after a few seconds (it tried at least 50 times). I expected the > flapping condition to stop it after 5 tries. What I am understanding or > doing wrong? > > -- > You received this message because you are subscribed to the Google Groups > "god.rb" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/god-rb?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "god.rb" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/god-rb?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
