How to import local JSON file in a python renderer state file

[Raja Vairaashtak]

HI,

I am writing a state using python renderer in which I want to use one of the JSON file located on salt-master, How can I load that external JSON file in a variable and use it for further logic in the state. I am looking something equivalent to below in Python renderer state file, for importing external file and available as variable.

{% import_json "defaults.json" as defaults %}

The json file is only on salt-master.

Thanks

[Seth House]

The following combo should do the trick. (The `slsutil.renderer`
should really be updated to handle salt:// paths natively.)

local_path = __salt__.cp.cache_file('salt://defaults.json')
defaults = __salt__.slsutil.renderer(local_path, renderer='json')

https://docs.saltstack.com/en/latest/ref/modules/all/salt.modules.slsutil.html#salt.modules.slsutil.renderer

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[Raja Vairaashtak]

Thanks this works, I was able to load values in the variable, but when seeing the value of the variable it is throwing error:

stderr:

                  /bin/sh: -c: line 0: syntax error near unexpected token `('

                  /bin/sh: -c: line 0: `echo OrderedDict([('1', OrderedDict([('foo', 'True'), ('bar', 42), ('baz', [1, 2, 3]), ('qux', 2.0)])), ('2', OrderedDict([('foo', 'False'), ('bar', 43), ('baz', [4, 5, 6]), ('qux', 2.0)]))])'

Below is my JSON file:

{

    "1": {

        "bar": 42,

        "baz": [

            1,

            2,

            3

        ],

        "foo": "True",

        "qux": 2.0

    },

    "2": {

        "bar": 43,

        "baz": [

            4,

            5,

            6

        ],

        "foo": "False",

        "qux": 2.0

    }

}

 

Python code:

#!py

def run():

     config = {}

     local_path = __salt__.cp.cache_file('salt://test.json?saltenv=master')

     defaults = __salt__.slsutil.renderer(local_path, renderer='json')

     config['print json'] = {

        'cmd': [

            'run', {'name': 'echo {0}'.format(defaults) },

        ]

     }

     return config

Not sure what is wrong here? Is any other parameter need to be passed with renderer to handle this 

[Seth House]

Salt's renderer system will load the dictionary from your JSON file
into a Python ordered dictionary. Since you're testing via `cmd.run`
that data structure will get cast to a string representation and the
shell is choking on that representation.

The shell will be happy for this particular test if you wrap it in quotes:

'echo "{0}"'.format(defaults)

Now that it's working you can reference the individual values:

'echo {0}'.format(defaults['1']['bar']) }

If you'd prefer to avoid the Pythonisms of ordered dictionaries you
can just turn it into a regular dictionary:

defaults = dict(__salt__.slsutil.renderer(local_path, renderer='json'))

On Thu, Jul 27, 2017 at 4:21 PM, Raja Vairaashtak

[Raja Vairaashtak]

many thanks, this works like charm.