Hi,
I have a playbook that attempts to notify via slack of hosts that were
successful and those that failed. Below is a simply playbook showing what
I'm trying to achieve using debug.
Ansible version: 2.6.5
---------------- Playbook -------------------
- hosts: all
tasks:
- block:
- command: /bin/something
- debug:
msg: "Successfully ran on - {{ ansible_play_hosts|join(',
') }}"
run_once: True
delegate_to: localhost
rescue:
- debug:
msg: "Failed host - {{ inventory_hostname }} - {{
ansible_failed_result.msg }}"
delegate_to: localhost
- debug:
msg: "Unreachable hosts: {{ (ansible_play_hosts_all|
difference(ansible_play_hosts)|join(', ')) }}"
run_once: True
delegate_to: localhost
--------------- End ------------------------
*So, as can be seen from the playbook, I'd like to show the hosts that ran
the task successfully, then with rescue those that failed and why and
finally those that were unreachable before the block execution. The problem
I'm having is that because of the 'rescue' in the block, all hosts that
were in the play at the start of the block remain within ansible_play_hosts
so I cannot display just the successful hosts - the debug task in the block
lists all hosts in the play (even the ones that failed in the previous
task). Below is an example playbook run;*
PLAY [all]
*******************************************************************************************************************
TASK [Gathering Facts]
*******************************************************************************************************
fatal: [test02]: UNREACHABLE! => {"changed": false, "msg": "Failed to
connect to the host via ssh: ssh: Could not resolve hostname test02: Name
or service not known\r\n", "unreachable": true}
ok: [server1]
ok: [server2]
ok: [server3]
TASK [command]
***************************************************************************************************************
fatal: [server1]: FAILED! => {"changed": false, "cmd": "/bin/something",
"msg": "[Errno 2] No such file or directory", "rc": 2}
changed: [server3]
fatal: [server2]: FAILED! => {"changed": false, "cmd": "/bin/something",
"msg": "[Errno 2] No such file or directory", "rc": 2}
TASK [debug]
*****************************************************************************************************************
ok: [server2 -> localhost] => {
"msg": "Successfully ran on - server1, server2, server3"
}
TASK [debug]
*****************************************************************************************************************
ok: [server1 -> localhost] => {
"msg": "Failed host - server1 - [Errno 2] No such file or directory"
}
ok: [server2-> localhost] => {
"msg": "Failed host - cecpvmlxdr01 - [Errno 2] No such file or
directory"
}
TASK [debug]
*****************************************************************************************************************
ok: [server1 -> localhost] => {
"msg": "Unreachable hosts: test02"
}
PLAY RECAP
*******************************************************************************************************************
server2 : ok=2 changed=0 unreachable=0 failed=1
server3 : ok=3 changed=1 unreachable=0 failed=0
server1 : ok=3 changed=0 unreachable=0 failed=1
test02 : ok=0 changed=0 unreachable=1 failed=0
*Can anyone suggest a way for me to retrieve the hosts that were
successful?*
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