Puppet&Hiera: $variable is not an hash or array when accessing it
- by txworking
I wrote a puppet module and the content of init.pp was:
class install(
  $common_instanceconfig = hiera_hash('common_instanceconfig'),
  $common_instances = hiera('common_instances')
)
{
  define instances {
    common { $title:
      name       => $title,
      path       => $common_instanceconfig[$title]['path'],
      version    => $common_instanceconfig[$title]['version'],
      files      => $common_instanceconfig[$title]['files'],
      pre        => $common_instanceconfig[$title]['pre'],
      after      => $common_instanceconfig[$title]['after'],
      properties => $common_instanceconfig[$title]['properties'],
      require    => $common_instanceconfig[$title]['require'] ,
    }
  }
  instances {$common_instances:}
}
And the hieradata file was:
classes:
  - install
common_instances:
  - common_instance_1
  - common_instance_2
common_instanceconfig:
  common_instance_1
    path      : '/opt/common_instance_1'
    version   : 1.0
    files     : software-1.bin
    pre       : pre_install.sh
    after     : after_install.sh
    properties: "properties"
common_instance_2:
    path      : '/opt/common_instance_2'
    version   : 2.0
    files     : software-2.bin
    pre       : pre_install.sh
    after     : after_install.sh
    properties: "properties"
I always got a error message When puppet agent run
Error: common_instanceconfig String is not an hash or array when accessing it with common_instance_1 at /etc/puppet/modules/install/manifests/init.pp:16 on node puppet.agent1.tmp
It seems $common_instances can be got correctly, but $commono_instanceconfig always be treated as a string.
I used YAML.load_file to load the hieradata file, and got a correct hash object.
Can anybody help?