Issue #23319 has been updated by Alex D.
Under puppet-3.3 it works as expected - it brings the server up once without
restarts:
<pre>
Notice: /Stage[main]//File[/tmp/test1]/ensure: defined content as
'{md5}502675e3d4e9692deb2e3b2e262450c1'
Notice: /Stage[main]//Service[nginx]/ensure: ensure changed 'stopped' to
'running'
Notice: Finished catalog run in 0.44 seconds
</pre>
Nginx log:
<pre>
2013/11/29 16:46:31 [notice] 4605#0: using the "epoll" event method
2013/11/29 16:46:31 [notice] 4605#0: nginx/1.0.15
2013/11/29 16:46:31 [notice] 4605#0: built by gcc 4.4.7 20120313 (Red Hat
4.4.7-3) (GCC)
2013/11/29 16:46:31 [notice] 4605#0: OS: Linux
2.6.32-358.123.2.openstack.el6.x86_64
2013/11/29 16:46:31 [notice] 4605#0: getrlimit(RLIMIT_NOFILE): 1024:4096
2013/11/29 16:46:31 [notice] 4606#0: start worker processes
2013/11/29 16:46:31 [notice] 4606#0: start worker process 4608
</pre>
----------------------------------------
Bug #23319: Unnecessary service restart when service is down and we set "ensure
=> running" and subscribe the service to some file(s) in puppet-2.7
https://projects.puppetlabs.com/issues/23319#change-100269
* Author: Alex D
* Status: Unreviewed
* Priority: High
* Assignee:
* Category:
* Target version:
* Affected Puppet version:
* Keywords:
* Branch:
----------------------------------------
Steps to reproduce:
1) create test.pp file:
<pre>
service {
"nginx":
ensure => running,
enable => true,
subscribe => File["/tmp/test1"];
}
file {
"/tmp/test1":
ensure => file,
content => "kasjakjksjjks";
}
</pre>
2) Install nginx and set error_log level to "info"
3) Make sure nginx is down and "/tmp/test1" file does not exist:
<pre>
service nginx stop
rm -f /tmp/test1
</pre>
4) Apply the test.pp file:
<pre>
puppet apply test.pp
</pre>
Result: puppet brings nginx service up and then restarts it.
Result in stdout:
<pre>
notice: /Stage[main]//File[/tmp/test1]/ensure: defined content as
'{md5}502675e3d4e9692deb2e3b2e262450c1'
notice: /Stage[main]//Service[nginx]/ensure: ensure changed 'stopped' to
'running'
notice: /Stage[main]//Service[nginx]: Triggered 'refresh' from 1 events
</pre>
Result in nginx log:
<pre>
2013/11/29 16:44:38 [notice] 3900#0: using the "epoll" event method
2013/11/29 16:44:38 [notice] 3900#0: nginx/1.0.15
2013/11/29 16:44:38 [notice] 3900#0: built by gcc 4.4.7 20120313 (Red Hat
4.4.7-3) (GCC)
2013/11/29 16:44:38 [notice] 3900#0: OS: Linux
2.6.32-358.123.2.openstack.el6.x86_64
2013/11/29 16:44:38 [notice] 3900#0: getrlimit(RLIMIT_NOFILE): 1024:4096
2013/11/29 16:44:38 [notice] 3901#0: start worker processes
2013/11/29 16:44:38 [notice] 3901#0: start worker process 3904
2013/11/29 16:44:38 [notice] 3901#0: signal 15 (SIGTERM) received, exiting
2013/11/29 16:44:38 [notice] 3904#0: exiting
2013/11/29 16:44:38 [notice] 3904#0: exit
2013/11/29 16:44:38 [notice] 3901#0: signal 17 (SIGCHLD) received
2013/11/29 16:44:38 [notice] 3901#0: worker process 3904 exited with code 0
2013/11/29 16:44:38 [notice] 3901#0: exit
2013/11/29 16:44:38 [notice] 3940#0: using the "epoll" event method
2013/11/29 16:44:38 [notice] 3940#0: nginx/1.0.15
2013/11/29 16:44:38 [notice] 3940#0: built by gcc 4.4.7 20120313 (Red Hat
4.4.7-3) (GCC)
2013/11/29 16:44:38 [notice] 3940#0: OS: Linux
2.6.32-358.123.2.openstack.el6.x86_64
2013/11/29 16:44:38 [notice] 3940#0: getrlimit(RLIMIT_NOFILE): 1024:4096
2013/11/29 16:44:38 [notice] 3941#0: start worker processes
2013/11/29 16:44:38 [notice] 3941#0: start worker process 3943
</pre>
Strace:
<pre>
2912 execve("/bin/env", ["env", "-i", "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
"TERM=screen", "/etc/init.d/nginx", "status"], [/* 28 vars */]) = 0
2912 execve("/etc/init.d/nginx", ["/etc/init.d/nginx", "status"], [/* 2 vars
*/]) = 0
2926 execve("/bin/env", ["env", "-i", "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
"TERM=screen", "/etc/init.d/nginx", "start"], [/* 28 vars */]) = 0
2926 execve("/etc/init.d/nginx", ["/etc/init.d/nginx", "start"], [/* 2 vars
*/]) = 0
2945 execve("/bin/env", ["env", "-i", "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
"TERM=screen", "/etc/init.d/nginx", "status"], [/* 28 vars */]) = 0
2945 execve("/etc/init.d/nginx", ["/etc/init.d/nginx", "status"], [/* 2 vars
*/]) = 0
2954 execve("/bin/env", ["env", "-i", "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
"TERM=screen", "/etc/init.d/nginx", "stop"], [/* 28 vars */]) = 0
2954 execve("/etc/init.d/nginx", ["/etc/init.d/nginx", "stop"], [/* 2 vars
*/]) = 0
2966 execve("/bin/env", ["env", "-i", "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
"TERM=screen", "/etc/init.d/nginx", "start"], [/* 28 vars */]) = 0
2966 execve("/etc/init.d/nginx", ["/etc/init.d/nginx", "start"], [/* 2 vars
*/]) = 0
</pre>
Such behavior may break some services deployment (cluster services that start
to synchronize on the first start and then get stopped/started again).
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