module God
module System
class Process
alias_method :orig_fetch_system_poller, :fetch_system_poller
def fetch_system_poller
if `hostname` =~ /YOUR CENTOS HOST(S) HERE/
PortablePoller
else
orig_fetch_system_poller
end
end
end
end
class Process
def spawn(command)
fork do
uid_num = Etc.getpwnam(self.uid).uid if self.uid
gid_num = Etc.getgrnam(self.gid).gid if self.gid
::Process.groups = [gid_num] if self.gid
::Process::Sys.setgid(gid_num) if self.gid
::Process::Sys.setuid(uid_num) if self.uid
$0 = command
STDIN.reopen "/dev/null"
STDOUT.reopen file_in_chroot(self.log), "a"
STDERR.reopen STDOUT
# close any other file descriptors
3.upto(256){|fd| IO::new(fd).close rescue nil}
if self.env && self.env.is_a?(Hash)
self.env.each do |(key, value)|
ENV[key] = value
end
end
exec command unless command.empty?
end
end
end
end
On Thu, Nov 6, 2008 at 2:01 AM, Tigris <[EMAIL PROTECTED]> wrote:
>
> On Sep 14, 1:06 pm, None <[EMAIL PROTECTED]> wrote:
>> I've found and fixed my problem(s). Turns out the let-god-demonize
>> thing was a red herring. The fixes were to use the PortablePoller on
>> CENTOS, and to modify God::System::Process#spawn not to perform chroot
>> and chdir. Voila!
>
> I don't suppose anyone can explain a bit better on how to achieve
> this? I'm experiencing the same problems outlined here on CENTOS also.
> Kill the processes manually after loading god and it doesn't even see
> the fact they died, nor do I see it polling in the logs, it just sits
> there apparently doing nothing.
>
> #######################
> def make_fail_safe(watcher)
> watcher.lifecycle do |on|
> on.condition(:flapping) do |c|
> c.to_state = [:start, :restart]
> c.times = 5
> c.within = 5.minutes
> c.transition = :unmonitored
> c.retry_in = 10.minutes
> c.retry_times = 5
> c.retry_within = 2.hours
> end
> end
> end
>
> God.watch do |w|
> w.name = 'apache'
> w.pid_file = '/var/run/httpd.pid'
> w.interval = 60.seconds
>
> w.start = '/etc/init.d/httpd start'
> w.stop = '/etc/init.d/httpd stop'
> w.restart = '/etc/init.d/httpd graceful'
>
> w.start_grace = 20.seconds
> w.restart_grace = 20.seconds
>
> w.behavior(:clean_pid_file)
>
> w.restart_if do |r|
> r.condition(:cpu_usage) {|c| c.notify = 'developers'; c.above =
> 80.percent; c.times = 5}
> r.condition(:cpu_usage) {|c| c.notify = 'developers'; c.above =
> 60.percent; c.times = 2}
> r.condition(:memory_usage){|c| c.notify = 'developers'; c.above =
> 500.megabytes; c.times = 5}
> r.condition(:http_response_code) do |c|
> c.notify = 'developers'
> c.host = 'www.example.com'
> c.path = '/god'
> c.code_is_not = 200
> c.timeout = 2.seconds
> end
> end
>
> make_fail_safe(w)
> end
>
> God.contact(:email) do |c|
> c.name = 'Me'
> c.email = '[EMAIL PROTECTED]'
> c.group = 'developers'
> end
> #######################
>
>
> regards,
> Danial
> >
>
--
Colin Steele
www.colinsteele.org
[EMAIL PROTECTED]
Ken Kesey - "Ritual is necessary for us to know anything."
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