Unable to fetch value from ansible_devices variable if special charcter in key

[Roopendra Vishwakarma]

I am using gather fact variable to get size from ansible_devices variable. for some host I am getting variable "ansible_devices": { "sda" and for few server getting "ansible_devices": { "cciss!c0d0".

Problem:- When I am using variable {{ ansible_devices.sda.size }} its working perfectly. But when I am trying to access value from {{ ansible_devices.cciss!c0d0.size }} in my playbook then it is not returning any value whereas in json ansible_devices variable there is value exist for  {{ ansible_devices.cciss!c0d0.size }}.

 {
    "ansible_devices": {
        "cciss!c0d0": {
            "holders": [],
            "host": "RAID bus controller: Hewlett-Packard Company Smart Array Controller (rev 03)",
            "model": "LOGICAL VOLUME",
            "partitions": {},
            "removable": "0",
            "rotational": "1",
            "scheduler_mode": "cfq",
            "sectors": "143299800",
            "sectorsize": "512",
            "size": "68.33 GB",
            "support_discard": "0",
            "vendor": "HP"
        }
    },
    "item": ""
}

It might be the case special character in a json key that's why I am unable to fetch its value. can anyone suggest me how can I access  {{ ansible_devices.cciss!c0d0.size }} value here ?


[Michael DeHaan]

That's not a valid variable name, so you'll have to attack it edgewise:

{{ hostvars[inventory_hostname]["ansible_devices"]["cciss!c0d0"]["size"] }}




Usage of set_fact would allow assigning it to a cleaner variable name.







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[Roopendra Vishwakarma]

Thanks for your help.  Nice Trick. Its working for me.