Allen,
The generate function simply returns the output of an external command, as
executed on the puppet master.
Since bash only started supporting associative arrays (hashes/dictionaries)
in version 4 it is highly likely that your bash script is outputting a
string and not a hash. The format for an associative array in bash also
doesn't resemble the same syntax that you find in puppet (ruby).
I'm not sure as to how ruby or puppet for that matter would interpret
bash's representation of an array or hash. Bash has limited ability to
define data structures. This in turn would limit how an interpreter such as
ruby or puppet could effectively use its data types.
With this being said, try possibly using ruby or python for your external
program language. This way the data structure will be in s more usable
format. If that's not possible, research associative arrays in bash and see
if you can make them work with puppet.
Mike
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On May 5, 2015 5:25:08 PM Allen Myers <[email protected]> wrote:
definitely helps! that's the road I was just researching, but it helps to
verify that I'm on the right track. :)
Thanks!
- Allen
On Tuesday, May 5, 2015 at 5:06:15 PM UTC-7, Allen Myers wrote:
>
> Hi,
>
> I have shell script that generates a hash of user accounts that need to be
> created/maintained
> by puppet. In my manifest I'm calling it using the generate() function:
>
> $myusers = generate ('/bin/sh', '-c', '/path/to/my/script.sh')
>
> The output of the script looks like:
>
> { 'user1' => { name => 'user1', ensure => present, gid
> => xxxx, home => '/home/user1', managehome => true, purge_ssh_keys =>
> true, shell => '/bin/bash',}, 'user2' => { name => 'user2', ensure =>
> present, gid => xxxx, home => '/home/user2', managehome => true,
> purge_ssh_keys => true, shell => '/bin/bash',},}
>
> then I call create_resources as
>
> create_resources (user, $myusers)
>
> and when I run 'puppet agent --test' on the client I get
>
> Error: Could not retrieve catalog from remote server:
> Error 400 on SERVER: create_resources(): second argument must be a hash at
> /etc/puppet/environments/mgmt/manifests/01-all-nodes.pp:38 on node server1
>
> If I comment out the create_resources and add the line
>
> validate_hash ($myusers)
>
> then it fails with
>
> Error: Could not retrieve catalog from remote server:
> Error 400 on SERVER: "{ 'user1' => { name => 'user1', ensure => present,
> gid => xxxx, home => '/home/user1', managehome => true, purge_ssh_keys
> => true, shell => '/bin/bash',}, 'user2' => { name => 'user2', ensure =>
> present, gid => xxxx, home => '/home/user2', managehome => true,
> purge_ssh_keys => true, shell => '/bin/bash',},}" is not a Hash. It
> looks to be a String at
> /etc/puppet/environments/mgmt/manifests/01-all-nodes.pp:38 on node server1
>
> Yet, if I take the output of the script and just put it directly into the
> manifest, it works fine; ie,
>
> $myusers = { 'user1' => { name => 'user1', ensure =>
> present, gid => xxxx, home => '/home/user1', managehome => true,
> purge_ssh_keys => true, shell => '/bin/bash',}, 'user2' => { name =>
> 'user2', ensure => present, gid => xxxx, home => '/home/user2',
> managehome => true, purge_ssh_keys => true, shell => '/bin/bash',},}
> create_resources (user, $myusers)
>
> and it works.
>
> So, based on the error messages, it's obvious that the generate() function
> is returning the string data type. Can I force it to return the hash data
> type?
> Or is there a way to convert a string to a hash?
>
> Thanks!
>
> - Allen
>
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