debug

[DEBUG   ] Rendered data from file: /var/cache/salt/minion/files/base/x.sls:


test:
  grains.present:
    - value: '{"key1": ["val1-1", "val1-2"], "key2": ["val2-1", "val2-2"]}'



# {"key1": ["val1-1", "val1-2"], "key2": ["val2-1", "val2-2"]}



# {u'key2': [u'val2-1', u'val2-2'], u'key1': [u'val1-1', u'val1-2']}


# key2

# key1


/root/x:
  file.managed:
    - source: salt://x.tmpl
    - template: jinja
    - context:
      g: {u'key2': [u'val2-1', u'val2-2'], u'key1': [u'val1-1', u'val1-2']}


[root@saltmaster01 ~]# cat x


  u'key2'
...:
    - u'val2-1'
...
    - u'val2-2'
...

  u'key1'
...:
    - u'val1-1'
...
    - u'val1-2'
...

x.sls

{% set t = { 'key1': ['val1-1', 'val1-2'], 'key2': [ 'val2-1', 'val2-2' ] } %}

test:
  grains.present:
    - value: '{{ t|json }}'

{% set g = salt['grains.get']('test', '{}') %}

# {{ g }}

{% set g_d = g|load_json %}

# {{ g_d }}

{% for x in g_d %}
# {{ x }}
{% endfor %}

/root/x:
  file.managed:
    - source: salt://x.tmpl
    - template: jinja
    - context:
      g: {{ g_d }}

x.tmpl

{% for k, v in g.items() %}
  {{ k|yaml }}:
{%- for d in v %}
    - {{ d|yaml }}
{%- endfor %}
{% endfor %}