Firewall interface mapping logic

Detect which interfaces belong to which zones, and configure firewalld
accordingly.
Backend zone is currently only prepared and yet to be tested and
enabled.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/pillar/global/macros.jinja b/pillar/global/macros.jinja
index d01784a..1d3eade 100644
--- a/pillar/global/macros.jinja
+++ b/pillar/global/macros.jinja
@@ -18,3 +18,9 @@
 - {{ ip }}
 {%- endfor %}
 {%- endmacro -%}
+
+{%- macro firewall_interfaces(interfaces) -%}
+{%- if interfaces | length -%}
+interfaces: {{ interfaces }}
+{%- endif -%}
+{%- endmacro -%}