Grep value from a dict of list of dict ...

[lovi]

Hello,

I am struggling with this kind of structure :

{
    "out.results": [
        {
            "_ansible_item_result": true,
            "_ansible_no_log": false,
            "_ansible_parsed": true,
            "changed": false,
            "exitcode": "NoChangeNeeded",
            "feature_result": [],
            "item": "A",
            "restart_needed": false,
            "success": true
        },
        {
            "_ansible_item_result": true,
            "_ansible_no_log": false,
            "_ansible_parsed": true,
            "changed": false,
            "exitcode": "NoChangeNeeded",
            "feature_result": [],
            "item": "B",
            "restart_needed": false,
            "success": true
        },
        {
            "_ansible_item_result": true,
            "_ansible_no_log": false,
            "_ansible_parsed": true,
            "changed": false,
            "exitcode": "NoChangeNeeded",
            "feature_result": [],
            "item": "C",
            "restart_needed": false,
            "success": true
        },
        {
            "_ansible_item_result": true,
            "_ansible_no_log": false,
            "_ansible_parsed": true,
            "changed": false,
            "exitcode": "NoChangeNeeded",
            "feature_result": [],
            "item": "D",
            "restart_needed": true,
            "success": true
        }
    ]
}

And I want to catch if restart_needed is true ... any help is welcome.

Regards

[Matt Martz]

What you need to use here is selectattr and equalto from jinja2:

results|selectattr('restart_needed', 'equalto', true)|list|length

If my memory is correct, `equalto` was not added until jinja2 v2.8

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Matt Martz
@sivel
sivel.net

[Matt Martz]

Actually that can be simplified, I completely forgot that the default for selectattr is to check if the value is true.

So:

results|selectattr('restart_needed')|list|length

That doesn't even require the `equalto` test.

[lovi]

thanks it works fine !!

PS : Do you know how to put jinja code in task/role/play ? or do you have to put it in default.yml files ?