Allow auth on jenkins, split slave system

Change-Id: I35416dcd6baaa0159f2191be9b4029228545aa53
diff --git a/jenkins/slave/libvirt.yml b/jenkins/slave/libvirt.yml
new file mode 100644
index 0000000..e40b841
--- /dev/null
+++ b/jenkins/slave/libvirt.yml
@@ -0,0 +1,25 @@
+classes:
+  - system.jenkins.slave
+  - service.iptables.server
+parameters:
+  linux:
+    system:
+      user:
+        jenkins:
+          groups:
+            - kvm
+            - libvirtd
+      package:
+        qemu:
+          version: latest
+        libvirt-bin:
+          version: latest
+  # Ensure FORWARD chain to be ACCEPT to avoid issue when running with docker
+  # 1.13 and newer that sets chain to DROP, see:
+  #   https://github.com/docker/docker/pull/28257
+  iptables:
+    service:
+      enabled: true
+      chain:
+        FORWARD:
+          policy: ACCEPT