Here's an example of how I have done this, and also a good way to test
the idea...
I created test.pp with these contents...you can also specify the
$apparray else where, for example in the node definition
$apparray = {
app1 => { 'path' => '/test/path1', 'command' => 'cmd1' },
app2 => { 'path' => '/test/path2', 'command' => 'cmd2' },
}
file { "/etc/puppet/output":
content => template("/etc/puppet/test.erb")
}
Then create the template file that the hash is used in, test.erb, this
is where you loop through your values
<% apparray.each do |key,value| -%>
Key: <%= key %>
Path: <%= value['path'] %>
Command: <%= value['command'] %>
<% end -%>
Then to generate the output file you run ...
# puppet test.pp
notice: /Stage[main]//File[/etc/puppet/output]/content: content
changed '{md5}c473dbf9c2539d14a3042f81ab2edafd' to '{md5}
9568aa118a031c5621c65c36bbe34bfe'
notice: Finished catalog run in 0.03 seconds
The output file should look something like this
Key: app1
Path: /test/path1
Command: cmd1
Key: app2
Path: /test/path2
Command: cmd2
- Trey
On Jun 29, 8:16 pm, Haitao Jiang <jianghai...@gmail.com> wrote:
> This may have been asked before, if so, please excuse me and point me
> to the right direction.
>
> What I want to do is to define a hash table with multiple key->value
> pairs. I would like to pass this variable to a file template and
> generate a result file with all the mappings listed. Based on what I
> read, I need to do it in a definition. But does Puppet supports loop
> over a hash?
>
> Any help would be highly appreciated. I am using Puppet 2.6.8
>
> Thanks
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