Re: [Puppet Users] Question Windows manifests

2013-02-20 Thread Felix Frank 
Hi,

On 02/20/2013 06:43 AM, Rakesh Kathpal wrote:
 file { 'install':
 path = c:\install.bat,
...
  exec {'install_sw':
  file { 'remove':
 ensure  = absent,
...
 I am quite sure that there is something
 syntactically wrong my code but donno what? Can someone please shed some
 light on this?

Actually, sorry to say this, but there's something conceptually wrong
with this.

You're walking into the C-like programming language trap. The thing is
- the puppet DSL is nothing like traditional, statement based
programming. The above are not three statements that are executed in
order. They are supposed to be three properties of system state.

You are telling puppet that you want it to make sure three things hold true:
1. c:\install.bat is present and has specific content
2. c:\install.bat is getting executed
3. c:\install.bat is not on your system

1 and 3 are conflicting. Puppet cannot maintain a state in which both
are true. You will have a hard time bending puppet towards this behaviour.

I suggest you just get rid of the final file resource and let the
install.bat remain (but do choose a location that is better suited to
store such internal administrative data).

Also please note that you probably either want to add refreshonly to
your exec resource, but that is rather unclean design (if the execution
fails once, puppet will not know it needs to re-run because the file
will not notify it again).
The better alternative is a sensible creates or unless condition.

HTH,
Felix

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Re: [Puppet Users] Question Windows manifests

2013-02-20 Thread Rakesh Kathpal 
Dear Felix,

Thanks a ton for your reply and great piece of information.

I will do the needful on my side.

Thanks again,

Regards,

Rakesh K.

On Wed, Feb 20, 2013 at 3:41 PM, Felix Frank 
felix.fr...@alumni.tu-berlin.de wrote:

 Hi,

 On 02/20/2013 06:43 AM, Rakesh Kathpal wrote:
  file { 'install':
  path = c:\install.bat,
 ...
   exec {'install_sw':
   file { 'remove':
  ensure  = absent,
 ...
  I am quite sure that there is something
  syntactically wrong my code but donno what? Can someone please shed some
  light on this?

 Actually, sorry to say this, but there's something conceptually wrong
 with this.

 You're walking into the C-like programming language trap. The thing is
 - the puppet DSL is nothing like traditional, statement based
 programming. The above are not three statements that are executed in
 order. They are supposed to be three properties of system state.

 You are telling puppet that you want it to make sure three things hold
 true:
 1. c:\install.bat is present and has specific content
 2. c:\install.bat is getting executed
 3. c:\install.bat is not on your system

 1 and 3 are conflicting. Puppet cannot maintain a state in which both
 are true. You will have a hard time bending puppet towards this behaviour.

 I suggest you just get rid of the final file resource and let the
 install.bat remain (but do choose a location that is better suited to
 store such internal administrative data).

 Also please note that you probably either want to add refreshonly to
 your exec resource, but that is rather unclean design (if the execution
 fails once, puppet will not know it needs to re-run because the file
 will not notify it again).
 The better alternative is a sensible creates or unless condition.

 HTH,
 Felix

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Re: [Puppet Users] Question Windows manifests

2013-02-19 Thread Rakesh Kathpal 
thanks a ton.. I will give it  try and revert...

On Tue, Feb 19, 2013 at 7:58 PM, Bernd Adamowicz 
bernd.adamow...@esailors.de wrote:

 You could try:

 ** **


 file { ‘delete-install-bat’:
 ensure  = absent,

 path = ‘c:\install.bat’,

 require = Exec[‘install’],
 }

 ** **

 Cheers,

 Bernd

 *From:* puppet-users@googlegroups.com [mailto:
 puppet-users@googlegroups.com] *On Behalf Of *Rakesh Kathpal
 *Sent:* Dienstag, 19. Februar 2013 15:22
 *To:* puppet-users@googlegroups.com
 *Subject:* [Puppet Users] Question Windows manifests

 ** **

 Hi,

 I am creating a file resouce which is bat file, and I am running the file
 to perform some operation.

 I need to know how do I delete the file after the operation is
 performed... the code I tried is as follows

 class rk{

 file { c:\install.bat:
 ensure  = present,
 content = template(rk/inst.txt),
 notify  = Exec['install']
 }
 exec {'install':
 command = c:\install.bat,
 timeout = 0,
 require = File['c:\install.bat'],
 }

 file { c:\install.bat:
 ensure  = absent,
 }
 }

 Now it gives me a duplicate declaration error for resource file I
 understand its very logical to get this error but can someone please give
 some pointers to resolve this issue.

 Thanks a lot.

 Rakesh K.

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Re: [Puppet Users] Question Windows manifests

2013-02-19 Thread Rakesh Kathpal 
unfortunately getting a different error now


err: Failed to apply catalog: Cannot alias File[install] to
[c:/install.bat] at /etc/puppet/modules/rk/manifests/init.pp:8; resource
[File, c:/install.bat] already declared at
/etc/puppet/modules/rk/manifests/init.pp:20
---

my manifests looks like follows
--
class rk {

file { 'install':
path = c:\install.bat,
ensure  = present,
content = template(rk/inst.txt),
notify  = Exec['install_sw']
}
exec {'install_sw':
command = c:\install.bat,
timeout = 0,
require = File['install'],
notify = File['remove']
}

file { 'remove':
ensure  = absent,
path = c:\install.bat,
require = Exec['install_sw']
}
}
---

I am quite sure that there is something syntactically wrong my code but
donno what? Can someone please shed some light on this?

Thanks  Regards,

Rakesh K.

On Wed, Feb 20, 2013 at 10:32 AM, Rakesh Kathpal rkath...@gmail.com wrote:

 thanks a ton.. I will give it  try and revert...


 On Tue, Feb 19, 2013 at 7:58 PM, Bernd Adamowicz 
 bernd.adamow...@esailors.de wrote:

 You could try:

 ** **


 file { ‘delete-install-bat’:
 ensure  = absent,

 path = ‘c:\install.bat’,

 require = Exec[‘install’],
 }

 ** **

 Cheers,

 Bernd

 *From:* puppet-users@googlegroups.com [mailto:
 puppet-users@googlegroups.com] *On Behalf Of *Rakesh Kathpal
 *Sent:* Dienstag, 19. Februar 2013 15:22
 *To:* puppet-users@googlegroups.com
 *Subject:* [Puppet Users] Question Windows manifests

 ** **

 Hi,

 I am creating a file resouce which is bat file, and I am running the file
 to perform some operation.

 I need to know how do I delete the file after the operation is
 performed... the code I tried is as follows

 class rk{

 file { c:\install.bat:
 ensure  = present,
 content = template(rk/inst.txt),
 notify  = Exec['install']
 }
 exec {'install':
 command = c:\install.bat,
 timeout = 0,
 require = File['c:\install.bat'],
 }

 file { c:\install.bat:
 ensure  = absent,
 }
 }

 Now it gives me a duplicate declaration error for resource file I
 understand its very logical to get this error but can someone please give
 some pointers to resolve this issue.

 Thanks a lot.

 Rakesh K.

 --
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