This is what I had in mind for part of this, yes. Thanks!
Some more explanation of the situation and the goal:
Some of our RHEL servers get assigned a virtual IP address for
application-specific purposes. The first such vip is assigned to
device eth0:1, the second vip to eth0:2, etc. Currently, adding a vip
to a server requires us to ssh to the server, create the
/etc/sysconfig/network-scripts/ifcfg-eth0:X file, add an entry for the
vip to /etc/hosts, and manually bring up the defined interface.
My current goal is to allow an operator to provision a new vip through
Puppet Dashboard, using Dashboard's parameters to define a key=>value
relationship between a vip and its IP address. So, the first vip
assigned to a server would get a parameter key of "vip1" with a
parameter value of "1.1.1.1". At the next Puppet execution, the new
vip will get provisioned automagically. A second could be be defined
with "vip2"=>"2.2.2.2", etc.
Because we don't know in advance how many vips any server will have,
I'm struggling with how to enumerate through an arbitrary number of
parameters to discover all the ones named "vip?", such that the end
state is that all of that server's vips are configured and enabled.
Thanks,
Scott
On Tue, Sep 27, 2011 at 10:28 PM, Sandor W. Sklar <ssk...@gmail.com> wrote:
> Perhaps I'm not understanding what you are asking, but I've got this
> class "network::interface":
>
> class network::interface( $device,
> $bootproto = 'static',
> $hwaddr,
> $ipaddr,
> $ipv6init = 'yes',
> $mtu = '1500',
> $netmask,
> $onboot = 'yes' ) inherits network {
>
> # Create the device definition file
> file { "/etc/sysconfig/network-scripts/ifcfg-$device":
> content => template('network/ifcfg.erb'),
> }
>
> # Ifdown and ifup the new interface upon changes
> exec { "ifdown-ifup-$device":
> user => 'root',
> path => '/etc/sysconfig/network-scripts:/bin:/usr/bin:/
> sbin:/usr/sbin',
> command => "/sbin/ifdown $device ; /sbin/ifup $device",
> refreshonly => true,
> subscribe => File["/etc/sysconfig/network-scripts/ifcfg-
> $device"],
> }
>
> }
>
> ... and the template:
>
>
> # This file is created by puppet
> # DO NOT HAND-EDIT
> DEVICE="<%= device %>"
> BOOTPROTO="<%= bootproto %>"
> <% if has_variable?("gateway") then -%>
> GATEWAY="<%= gateway %>"
> <% end -%>
> HWADDR="<%= hwaddr %>"
> IPADDR="<%= ipaddr %>"
> IPV6INIT="<%= ipv6init %>"
> MTU="<%= mtu %>"
> NETMASK="<%= netmask %>"
> ONBOOT="<%= onboot %>"
>
> Is this what you are looking for?
>
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