Added nsswitch configuration

nsswitch/defaults.yaml

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+nsswitch:
+  config_path: /etc/nsswitch.conf
+  config_mode: '0644'
+

nsswitch/files/nsswitch.conf

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+{% from "nsswitch/map.jinja" import nsswitch_settings as nsswitch with context -%}
+
+# /etc/nsswitch.conf
+#
+# Managed by Salt
+#
+# Example configuration of GNU Name Service Switch functionality.
+# If you have the `glibc-doc-reference' and `info' packages installed, try:
+# `info libc "Name Service Switch"' for information about this file.
+
+{%- for key, value in nsswitch.config.iteritems() %}
+  {%- if value is list %}
+{{ key }}: {{ v for v in value }}
+  {%- else %}
+{{ key }}: {{ value }}
+  {%- endif %}
+{%- endfor %}
+

nsswitch/init.sls

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+{% from "nsswitch/map.jinja" import nsswitch_settings as nsswitch with context %}
+
+nsswitch_config:
+  file.managed:
+    - name: {{ nsswitch.config_path }}
+    - template: jinja
+    - source: salt://nsswitch/files/nsswitch.conf
+    - mode: {{ nsswitch.config_mode }}
+

nsswitch/map.jinja

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+# -*- coding: utf-8 -*-
+# vim: ft=jinja
+
+{## Start with  defaults from defaults.sls ##}
+{% import_yaml 'nsswitch/defaults.yaml' as default_settings %}
+
+{##
+Setup variable using grains['os_family'] based logic, only add key:values here
+that differ from whats in defaults.yaml
+##}
+{% set flavor_map = salt['grains.filter_by'](
+  {
+  },
+  grain='os_family',
+  merge=salt['pillar.get']('nsswitch:lookup')
+) %}
+
+{## Merge the flavor_map over the default settings ##}
+{% do default_settings.nsswitch.update(flavor_map) %}
+
+{## Merge in changes from the nsswitch:lookup pillar ##}
+{% set nsswitch_settings = salt['pillar.get'](
+  'nsswitch',
+  default=default_settings.nsswitch,
+  merge=True
+) %}