There are my .j2 template and playbook to generate hostname, fqdn and ipv4
for all manage node
--> vi hosts.j2
{% for i in groups['all'] %}
{{ hostvars[i].inventory_hostname }}
{{hostvars[i].ansible_fqdn }}
{{hostvars[i].ansible_default_ipv4.address }}
{% endfor %}
--> vi hosts.yml
---
- hosts: all
become: yes
gather_facts: yes
tasks:
- name: user template to generate myhosts file
template:
src: hosts.j2
dest: /home/hostvarsfile
When i run the playbook here what i get
ansible-playbook hosts.yml
PLAY [all]
**************************************************************************************************************************************************************
TASK [Gathering Facts]
**************************************************************************************************************************************************
ok: [192.168.0.17]
fatal: [node12]: UNREACHABLE! => {"changed": false, "msg": "Failed to
connect to the host via ssh: ssh: connect to host node12 port 22: No route
to host", "unreachable": true}
ok: [node14]
ok: [node16]
ok: [node15]
TASK [user template to generate myhosts file]
***************************************************************************************************************************
fatal: [192.168.0.17]: FAILED! => {"changed": false, "msg":
"AnsibleUndefinedVariable: 'ansible.vars.hostvars.HostVarsVars object' has
no attribute 'ansible_fqdn'"}
fatal: [node14]: FAILED! => {"changed": false, "msg":
"AnsibleUndefinedVariable: 'ansible.vars.hostvars.HostVarsVars object' has
no attribute 'ansible_fqdn'"}
fatal: [node16]: FAILED! => {"changed": false, "msg":
"AnsibleUndefinedVariable: 'ansible.vars.hostvars.HostVarsVars object' has
no attribute 'ansible_fqdn'"}
fatal: [node15]: FAILED! => {"changed": false, "msg":
"AnsibleUndefinedVariable: 'ansible.vars.hostvars.HostVarsVars object' has
no attribute 'ansible_fqdn'"}
PLAY RECAP
**************************************************************************************************************************************************************
192.168.0.17 : ok=1 changed=0 unreachable=0
failed=1 skipped=0 rescued=0 ignored=0
node12 : ok=0 changed=0 unreachable=1
failed=0 skipped=0 rescued=0 ignored=0
node14 : ok=1 changed=0 unreachable=0
failed=1 skipped=0 rescued=0 ignored=0
node15 : ok=1 changed=0 unreachable=0
failed=1 skipped=0 rescued=0 ignored=0
node16 : ok=1 changed=0 unreachable=0
failed=1 skipped=0 rescued=0 ignored=0
Can somebody help please
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