ansible limit test with host facts

results with limit

$ ansible-playbook -i test.ini test.yml --limit group1

PLAY [all] ********************************************************************

GATHERING FACTS ***************************************************************
ok: [group1]

TASK: [command true] **********************************************************
changed: [host1]

PLAY [group1] *****************************************************************

GATHERING FACTS ***************************************************************
ok: [host1]

TASK: [template src=test.j2 dest=/tmp/test] ***********************************
fatal: [host1] => {'msg': "AnsibleUndefinedVariable: One or more undefined variables: 'dict object' has no attribute 'ansible_default_ipv4'", 'failed': True}
fatal: [host1] => {'msg': "AnsibleUndefinedVariable: One or more undefined variables: 'dict object' has no attribute 'ansible_default_ipv4'", 'failed': True}

FATAL: all hosts have already failed -- aborting

PLAY RECAP ********************************************************************
           to retry, use: --limit @/Users/tom/test.retry

host1                      : ok=3    changed=1    unreachable=1    failed=0

results without limit

$ ansible-playbook -i test.ini test.yml

PLAY [all] ********************************************************************

GATHERING FACTS ***************************************************************
ok: [host1]
ok: [host2]

TASK: [command true] **********************************************************
changed: [host1]
changed: [host2]

PLAY [group1] *****************************************************************

GATHERING FACTS ***************************************************************
ok: [host1]

TASK: [template src=test.j2 dest=/tmp/test] ***********************************
changed: [host1]

PLAY RECAP ********************************************************************
host1                      : ok=4    changed=2    unreachable=0    failed=0
host2                      : ok=2    changed=1    unreachable=0    failed=0

$ ssh host1 cat /tmp/test
100.101.202.203

test.ini

[group1]
host1

[group2]
host2

test.j2

{% for host in groups['group2'] %}
{{ hostvars[host]['ansible_default_ipv4']['address'] }}
{% endfor %}

test.yml

- hosts: all
  tasks:
    - command: 'true'

- hosts: group1
  tasks:
    - template: src=test.j2 dest=/tmp/test