Playbook:
---
- hosts: "{{hostList}}"
vars_files:
- "{{file}}"
tasks:
- debug: var=inventory_hostname
Inventory
[servers]
one ansible_connection=local
two ansible_connection=local
vars.yaml (type 1)
hostList:
- one
- two
Result with type 1 vars (ansible-playbook -i host test.yaml -e
file=vars.yaml)
PLAY [[u'one', u'two']]
*****************************************************************************************************************************************************************************
TASK [Gathering Facts]
******************************************************************************************************************************************************************************
ok: [two]
ok: [one]
TASK [debug]
****************************************************************************************************************************************************************************************
ok: [one] => {
"inventory_hostname": "one"
}
ok: [two] => {
"inventory_hostname": "two"
}
PLAY RECAP
******************************************************************************************************************************************************************************************
one : ok=2 changed=0 unreachable=0 failed=0
two : ok=2 changed=0 unreachable=0 failed=0
vars.yaml (type 2)
hostList: one, two
Now, result with type 2 vars (ansible-playbook -i host test.yaml -e
file=vars.yaml)
PLAY [one, two]
*************************************************************************************************************************************************************************************
TASK [Gathering Facts]
******************************************************************************************************************************************************************************
ok: [one]
ok: [two]
TASK [debug]
****************************************************************************************************************************************************************************************
ok: [one] => {
"inventory_hostname": "one"
}
ok: [two] => {
"inventory_hostname": "two"
}
PLAY RECAP
******************************************************************************************************************************************************************************************
one : ok=2 changed=0 unreachable=0 failed=0
two : ok=2 changed=0 unreachable=0 failed=0
The only difference between specifying the host list as comma separated
list and as a proper list is this line at the start:
PLAY [[u'one', u'two']]
*****************************************************************************************************************************************************************************
Though everything runs fine, i am just curious about the differences
between the two ways of specifying hosts.
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