I have the following task/main.yml part of my playbook. Everything works
fine except for the last section with the blockinfile. I assume I have
some sort of a syntax issue.
Enter code here...---
- name: Dependency resolution -- Install selinux bindings
yum:
name: libselinux-python
state: present
- name: Gather list of ifcfg-* files
shell: ls "{{ net_path }}" | grep ^ifcfg- | grep -ve ifcfg-lo -e \@ #
Last piece (@) excludes ansible backup files
register: ifcfg_list
changed_when: false
- name: DEBUG
debug:
msg: "{{net_path}}{{ item }}"
with_items: "{{ ifcfg_list.stdout_lines }}"
- name: Removing existing DNS entries from ifcfg-* files
lineinfile:
path: "{{ net_path }}{{ item }}"
backup: yes
state: absent
regexp: '^DNS'
with_items: "{{ ifcfg_list.stdout_lines }}"
- name: Removing existing DNS entries from resolv.conf
lineinfile:
path: /etc/resolv.conf
backup: yes
state: absent
regexp: '^nameserver'
- name: Update DNS in ifcfg files
blockinfile:
path: "{{ net_path }}{{ item }}"
marker: '# {mark} ANSIBLE MANAGED BLOCK -- Manual changes will be
overwritten'
insertafter: EOF
block: |
DNS1="{{ dns1 }}"
DNS2="{{ dns2 }}"
with_items: "{{ ifcfg_list.stdout_lines }}"
As you can see from the following results, the DEBUG iterates through it
fine, but I fail in the Update DNS section. It says the variable is
undefined, but I can't see my problem. Wondering if someone can help me
out.
PLAY [ansibletest-oel6]
******************************************************************************************************************************************************************************************************************
TASK [Gathering Facts]
*******************************************************************************************************************************************************************************************************************
ok: [ansibletest-oel6]
TASK [dns_update : Dependency resolution -- Install selinux bindings]
********************************************************************************************************************************************************************
ok: [ansibletest-oel6]
TASK [dns_update : Gather list of ifcfg-* files]
*****************************************************************************************************************************************************************************************
ok: [ansibletest-oel6]
TASK [dns_update : DEBUG]
****************************************************************************************************************************************************************************************************************
ok: [ansibletest-oel6] => (item=ifcfg-eth0) => {
"item": "ifcfg-eth0",
"msg": "/etc/sysconfig/network-scripts/ifcfg-eth0"
}
ok: [ansibletest-oel6] => (item=ifcfg-eth1) => {
"item": "ifcfg-eth1",
"msg": "/etc/sysconfig/network-scripts/ifcfg-eth1"
}
TASK [dns_update : Removing existing DNS entries from ifcfg-* files]
*********************************************************************************************************************************************************************
ok: [ansibletest-oel6] => (item=ifcfg-eth0)
ok: [ansibletest-oel6] => (item=ifcfg-eth1)
TASK [dns_update : Removing existing DNS entries from resolv.conf]
***********************************************************************************************************************************************************************
ok: [ansibletest-oel6]
TASK [dns_update : Update DNS in ifcfg files]
********************************************************************************************************************************************************************************************
fatal: [ansibletest-oel6]: FAILED! => {"failed": true, "msg": "the field
'args' has an invalid value, which appears to include a variable that is
undefined. The error was: 'item' is undefined\n\nThe error appears to have
been in '/etc/ansible/roles/dns_update/tasks/service.yml': line 32, column
3, but may\nbe elsewhere in the file depending on the exact syntax
problem.\n\nThe offending line appears to be:\n\n\n- name: Update DNS in
ifcfg files\n ^ here\n"}
PLAY RECAP
*******************************************************************************************************************************************************************************************************************************
ansibletest-oel6 : ok=6 changed=0 unreachable=0 failed=1
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