gistfile1.txt

/usr/local/scribe/conf/scribe.conf:
  file.managed:
   - source: salt://scribe/mytest_scribe.conf
   - template: jinja
   - defaults:
       projects:
{% for i in pillar[grains['ip_interfaces']['bond0'][0]] %}
         - {{i}}
{% endfor %}

in pillar file

192.168.1.1:
    - prj1
    - prj2
192.168.1.2:
    - pj


{% for i in projects %}
i find prj {{i}}
{% endfor %}

in 192.168.1.1
i get

i find prj prj1
i find prj prj2

in 192.168.1.2         #  i do not want this because it's only one proj
i find prj p
i find prj j