Re: [ansible-project] Ansible playbook hostvars undefined variables

[James Tanner]

On 12/10/2013 12:44 PM, Vasiliy Boulytchev wrote:

James,
  The following is breaking as well:

{% for k,v in hostvars.iteritems() %}

{{ v['ansible_all_ipv4_addresses'][0] }} {{ v['ansible_hostname'] }}

{% endfor %}

On Tuesday, December 10, 2013 12:11:15 PM UTC-5, James Tanner wrote:

    On 12/10/2013 11:24 AM, Vasiliy Boulytchev wrote:

    Folks, The following code is producing errors.

    code:

    |{% for v in hostvars.iteritems() %}
         {{ v['ansible_all_ipv4_addresses'][0] }}  {{ v['ansible_hostname'] }}
    {% endfor %}
    |

    error:

    |{'msg': "One or more undefined variables: 'tuple object' has no attribute 
'ansible_all_ipv4_addresses'", 'failed': True}
    |

    What should this look like if i wanted an /etc/hosts file like:

    |192.168.111.222 hostnameA
    192.168.111.211 hostnameB
    ...
    |

    Thanks!

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    iteritems() returns a tuple so you need to assign two variables:

    {% for k,v in hostvars.iteritems() %}
        {{ k }}
        {{ v['ansible_all_ipv4_addresses'][0] }}  {{
    v['ansible_hostname'] }}
    {% endfor %}


    "k" will be the inventory hostname and "v" will be all of the vars
    for k.

    Example output:

    jtanner@u1304:~$ cat /tmp/vadata.txt
        localhost
        192.168.1.105  u1304

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Let's see your playbook. I have a feeling that you aren't gathering facts.

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