Re: [Puppet Users] How to apply template based on a string in a file
Hi,
I think that the problem here is a big misunderstood about how puppet
works. Puppet DSL is a declarative language, you do not have to tell what
to do (grep "xxx" on file "yyy"), you have to tell which final state do you
want. Obviously this final state may depend on data (facts/hiera) but never
on an action (grep)
Moreover, puppet manifests are compiled in the puppetmaster (so if it
would be possible to do a grep or any other action, it would be made on the
master).
The problem you are facing is that the code
if "any string that you may want"
is always true (at least the string is empty) that's why always falls in
the first condition.
regards,
On Fri, Feb 14, 2014 at 12:18 AM, Ray wrote:
> Newbie question:
> I need to be able to apply a specific template based on whether a string
> is found in an
> existing file on the client or not. I tried the following (found an
> example somewhere... it does not work.. always falls into the first
> condition)
>
> What would be the correct way to check for the value in the file?
>
>
> if "grep STANDARD /var/adm/buildIT/ServerBuild.dat 2>/dev/null"
> {
> file { '/etc/openssh/sshd_config':
> ensure => file,
> backup => false,
> content => template("sshdconfig/sshdconfigsol.erb"),
> notify => Service['ssh']
> }
>
> service { 'ssh':
> ensure => running,
> enable => true,
> hasstatus => true,
> hasrestart => true,
> }
> }
> else
> {
> file { '/etc/openssh/sshd_config':
> ensure => file,
> backup => false,
> content => template("sshdconfig/sshdconfigsolpm.erb"),
> notify => Service['ssh']
> }
>
> service { 'ssh':
> ensure => running,
> enable => true,
> hasstatus => true,
> hasrestart => true,
> }
> }
>
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Re: [Puppet Users] How to apply template based on a string in a file
Or place those values in hiera.
> On 15 Feb 2014, at 0:12, Johan De Wit wrote:
>
> If you need information from the client, then you should think 'facter'.
>
> Or you could write a custom fact, or use external facts.
>
> http://puppetlabs.com/blog/facter-1-7-introduces-external-facts
> http://docs.puppetlabs.com/guides/custom_facts.html
>
> HTH
>
> Jo
>
>
>> On 02/14/2014 12:18 AM, Ray wrote:
>> Newbie question:
>> I need to be able to apply a specific template based on whether a string is
>> found in an
>> existing file on the client or not. I tried the following (found an example
>> somewhere... it does not work.. always falls into the first condition)
>>
>> What would be the correct way to check for the value in the file?
>>
>>
>> if "grep STANDARD /var/adm/buildIT/ServerBuild.dat 2>/dev/null"
>> {
>> file { '/etc/openssh/sshd_config':
>> ensure => file,
>> backup => false,
>> content => template("sshdconfig/sshdconfigsol.erb"),
>> notify => Service['ssh']
>> }
>>
>> service { 'ssh':
>> ensure => running,
>> enable => true,
>> hasstatus => true,
>> hasrestart => true,
>> }
>> }
>> else
>> {
>> file { '/etc/openssh/sshd_config':
>> ensure => file,
>> backup => false,
>> content => template("sshdconfig/sshdconfigsolpm.erb"),
>> notify => Service['ssh']
>> }
>>
>> service { 'ssh':
>> ensure => running,
>> enable => true,
>> hasstatus => true,
>> hasrestart => true,
>> }
>> }
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Puppet Users" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to puppet-users+unsubscr...@googlegroups.com.
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>> For more options, visit https://groups.google.com/groups/opt_out.
>
>
> --
> Johan De Wit
>
> Open Source Consultant
>
> Red Hat Certified Engineer (805008667232363)
> Puppet Certified Professional 2013 (PCP006)
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Re: [Puppet Users] How to apply template based on a string in a file
If you need information from the client, then you should think 'facter'.
Or you could write a custom fact, or use external facts.
http://puppetlabs.com/blog/facter-1-7-introduces-external-facts
http://docs.puppetlabs.com/guides/custom_facts.html
HTH
Jo
On 02/14/2014 12:18 AM, Ray wrote:
Newbie question:
I need to be able to apply a specific template based on whether a
string is found in an
existing file on the client or not. I tried the following (found an
example somewhere... it does not work.. always falls into the first
condition)
What would be the correct way to check for the value in the file?
if "grep STANDARD /var/adm/buildIT/ServerBuild.dat 2>/dev/null"
{
file { '/etc/openssh/sshd_config':
ensure => file,
backup => false,
content => template("sshdconfig/sshdconfigsol.erb"),
notify => Service['ssh']
}
service { 'ssh':
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}
}
else
{
file { '/etc/openssh/sshd_config':
ensure => file,
backup => false,
content => template("sshdconfig/sshdconfigsolpm.erb"),
notify => Service['ssh']
}
service { 'ssh':
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}
}
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--
Johan De Wit
Open Source Consultant
Red Hat Certified Engineer (805008667232363)
Puppet Certified Professional 2013 (PCP006)
_
Open-Future Phone +32 (0)2/255 70 70
Zavelstraat 72 Fax +32 (0)2/255 70 71
3071 KORTENBERG Mobile+32 (0)474/42 40 73
BELGIUM http://www.open-future.be
_
Next Events:
Zabbix Certified Training |
http://www.open-future.be/zabbix-certified-training-10-till-12th-march
Zabbix for Large Environments Training |
http://www.open-future.be/zabbix-large-environments-training-13-till-14th-march
Puppet Intruction Course |
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[Puppet Users] How to apply template based on a string in a file
Newbie question:
I need to be able to apply a specific template based on whether a string is
found in an
existing file on the client or not. I tried the following (found an example
somewhere... it does not work.. always falls into the first condition)
What would be the correct way to check for the value in the file?
if "grep STANDARD /var/adm/buildIT/ServerBuild.dat 2>/dev/null"
{
file { '/etc/openssh/sshd_config':
ensure => file,
backup => false,
content => template("sshdconfig/sshdconfigsol.erb"),
notify => Service['ssh']
}
service { 'ssh':
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}
}
else
{
file { '/etc/openssh/sshd_config':
ensure => file,
backup => false,
content => template("sshdconfig/sshdconfigsolpm.erb"),
notify => Service['ssh']
}
service { 'ssh':
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}
}
--
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