The puppet manifest would simplify to :
class foo (
$services_to_stop = [],
) {
include 'stdlib'
if size($services_to_stop) > 0 {
service { $services_to_stop :
ensure => stopped,
enable => false,
}
}
}
You need to set up hiera (http://docs.puppetlabs.com/hiera/1/) to let you choose settings using the
"operatingsystem", "osfamily", and/or "operatingsystemmajrelease" facts.
Personally, I am a bit confused as to what services you want stopped under what
conditions, so I cannot offer more detail.
The hiera data for your default case would be :
---
foo::services_to_stop :
- ip6tables
- iptables
- auditd
- cups
“Sometimes I think the surest sign that intelligent life exists elsewhere in the
universe is that none of it has tried to contact us.” (Bill Waterson: Calvin &
Hobbes)
On Oct 10, 2015, at 10:46 PM, Vikas Kumar <vikas...@gmail.com> wrote:
Hello Dan,
Would it be possible for you to point me to an example (may be a link) ? Thanks
in advance.
Regards,
Vikas
On Sunday, 11 October 2015 13:43:22 UTC+11, LinuxDan wrote:
Has anyone considered taking the array of services out of the code and putting it into Hiera ?
Much easier to vary the array from there.
On Oct 10, 2015, at 9:56 PM, Henrik Lindberg <henrik....@cloudsmith.com> wrote:
On 2015-10-10 4:47, Vikas Kumar wrote:
Hello Everyone,
I have a very basic code to stop and disable few services which I am
running for CentOS/RHEL 6/7 servers.
|
$stop_services =["ip6tables","iptables","auditd","cups"]
service {$stop_services
ensure=>stopped
enable =>false
}
|
Is it possible to not run this code when the OS is CentOS/RHEL 7 and the
stop_services value is auditd.
Here are a couple of ways to do this (all untested):
If you are on 3.x and using the future parser, or using 4.x you can add and remove from arrays directly in the language with '+' and '-'. If on earlier versions you need to use the 'delete' function from stdlib.
# for 3.x (no future parser)
#
$stop_services = ["ip6tables","iptables","auditd","cups"]
if $::osfamily == 'RedHat {
$excluded_services = ['auditd']
}
else {
$excluded_services = []
}
$services_to_stop = delete($stop_services, $excluded_services)
service { $services_to_stop:
ensure=>stopped,
enable =>false,
}
With the 4.x (3.x future) parser you can also use a case expression to produce a value (which may be more convenient if you will have more than a single special case.
$stop_services = ["ip6tables","iptables","auditd","cups"]
$excluded_services = case $::osfamily {
'RedHat': { 'auditd' }
default: { }
}
service { $stop_services - $excluded_services :
ensure=>stopped,
enable =>false,
}
Or you can iterate:
# using conditional logic
#
["ip6tables","iptables","auditd","cups"].each |$service| {
unless $::osfamily == 'RedHat' and $service == 'auditd' {
service { $service :
ensure => stopped,
enable => false,
}
}
}
# using 'filter'
#
["ip6tables", "iptables", "auditd", "cups"].filter |$service| {
$::osfamily != 'RedHat' and $service != 'auditd'
}.each |$service| {
service { $service :
ensure => stopped,
enable => false,
}
}
Regards
- henrik
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