On Saturday, June 21, 2014 3:56:43 AM UTC+5:30, Brian Mathis wrote:
>
> Summary: Do not try to control processes directly with Puppet and instead 
> properly integrate your service into your operating system.
>
> -----
>
> It sounds like you are misunderstanding how Puppet integrates into the 
> rest of the system.  Puppet should not "kill processes" directly like you 
> would with the 'kill' command (actually, it can, but this is almost 
> certainly NOT what you want).  I think you may also be misunderstanding 
> some basic concepts of running a Linux/Unix server.
>
> A process is not the same thing as a service.  A single service may have 
> many processes, and they are typically controlled by a script in the 
> /etc/init.d directory (or maybe somewhere else if you are on a newfangled 
> system running systemd).  If your process does not have a control script in 
> /etc/init.d, then is is NOT a "service", it's just a process you happen to 
> have running for a long time.  For Puppet to consider it a service, it must 
> be controllable using the 'service' command (on RedHat based systems), or 
> the equivalent for your version of Linux/Unix.
>
> What you really want is to be making and installing a bash script to 
> control your java process in /etc/init.d.  Once written, you can use Puppet 
> to install the script by using the "file" resource.  After you have that 
> done, then you can use the "service" resource to control the service as you 
> are tying to do.  The name of the service will be the name that you call 
> your script in /etc/init.d, for example: /etc/init.d/my_service.  Please do 
> not call your service "java", as it makes no sense to name a service after 
> the programming language it is written in.  If it's an accounting system 
> for example, call the service "accounting_system", or something like that.
>
>
> You are bound to get some other replies telling you how to use an 'exec' 
> resource to call the "kill" command, etc..., since this is *possible* with 
> Puppet, but it is grossly abusive of its capabilities and you really should 
> not be doing that.  Please do this correctly by setting up your software as 
> a real service and then control it correctly with the "service" resource in 
> Puppet.
>
> I strongly suggest you walk through the Puppet tutorials at 
> https://puppetlabs.com/learn before trying to control your own custom 
> applications with it.
>
>
> ❧ Brian Mathis
> @orev
>
>
> On Fri, Jun 20, 2014 at 6:02 AM, Satish Katuru <[email protected] 
> <javascript:>> wrote:
>
>> Hi,
>>
>> I am new to Puppet and We are trying to stop and start any one of the 
>> services running on the Puppet master /agent machine.
>>
>> Here is the Scenario:
>>
>>
>> 1. we have a Jboss service running on Puppet master and I am trying to 
>> kill this service thru puppet.(this service is runnning with my userid)
>>
>> Service name is "java".
>>
>> 2. In /etc/puppet/manifests/nodes.pp I have written code like this
>>
>> node "servername"
>> {
>>
>> Service {
>>
>> "java":
>> ensure = >"Stopped",
>>
>> }
>> }
>>
>> after this I ran this command 
>>
>> puppet apply nodes.pp
>>
>> Nothing has happend.Still the process is running.(I am able to see the 
>> process id : ps -ef|grep java)
>>
>> 3.After this i created a module and place this code in init.pp in 
>> /etc/puppet/modues/httpd/
>>
>> node "servername"
>> {
>> inlcude httpd
>> }
>>
>> puppet apply nodes.pp
>>
>>
>> Nothing happend.
>>
>> Can you please guide us how to kill a process?
>>
>>
>>
>>
>>
>>
>>
>>
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>
>

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