Context example

init.sls

Ensure instance1 is configured:
  file.managed:
    - name /var/local/instance1/context.xml
    - source: salt://instance.xml.tmpl
    - template: jinja
    - context:
        var1: some content
        var2: more content

Ensure instance2 is configured:
  file.managed:
    - name /var/local/instance2/context.xml
    - source: salt://instance.xml.tmpl
    - template: jinja
    - context:
        var1: different content
        var2: {{ pillar.my_pillar }}

instance.xml.tmpl

<a>
{{ var1 }}
{{ var2 }}
{{ pillar.some_other_pillar }}
</a>