Forum: CFEngine Help
Subject: Re: CFEngine Help: How-to restart machine after certain package have
been installed.
Author: juriskrumins
Link to topic: https://cfengine.com/forum/read.php?3,26673,26691#msg-26691
Sorry for not being specific enough.
So lets start from the beginning.
What I need is:
1. Install custom kernel on newly deployed machine.
2. Since kernel activation requires reboot, I need to restart the machine.
So, what I got is:
1. Define custom kernel package I'd like to install.
By the way this variable gets defined only if 2 global classes
are not true. Works fine.
vars:
!vz_hardware_node.!vz_container::
"kernel_package" slist => {
"vzkernel",
},
comment => "Define kernel to install arch specifi",
handle => "packages_vars_kernel_package";
2. I need to install custom kernel, defined in step 1. using packages promise
and define
class called restart_machine in case packages promise gets repaired
successfully.
This is probably the place where I have an issue.
packages:
!vz_hardware_node.!vz_container::
"$(packages.kernel_package)"
package_policy => "add",
package_architectures => { "x86_64" },
package_method => yum,
classes => if_repaired("restart_machine");
3. And then commands promise will execute command depending on previously
defined restart_machine
class
commands:
restart_machine::
"/sbin/shutdown -r now";
So what happened after cf-agent have been executed
1. Package gets installed (if we lack vzkernel package, otherwise nothing
happens)
2. No restart_machine class have been defined.
3. And no shutdown -r now command have been executed.
If package gets removed, then after a while cf-agent install it once again and
that all.
The only way I was able to make it work is the way I posted in "July 26, 2012
04:43PM".
I've also tested yum command, by manually installing vzkernel package and in
case everything
is fine we get exit code equal 0, otherwise it's > 0. So I believe return code
is not the problem.
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