From 91cd5480b5a1ca1103d5e239af3d331477c41c2c Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 21 Nov 2017 22:28:39 +0100
Subject: initial commit as copy from helsinki ansible repo

---
 roles/vm-network/templates/firewall.sh_public.j2 | 49 ++++++++++++++++++
 roles/vm-network/templates/interfaces_lan.j2     | 17 +++++++
 roles/vm-network/templates/interfaces_public.j2  | 63 ++++++++++++++++++++++++
 roles/vm-network/templates/systemd.link.j2       |  5 ++
 4 files changed, 134 insertions(+)
 create mode 100644 roles/vm-network/templates/firewall.sh_public.j2
 create mode 100644 roles/vm-network/templates/interfaces_lan.j2
 create mode 100644 roles/vm-network/templates/interfaces_public.j2
 create mode 100644 roles/vm-network/templates/systemd.link.j2

(limited to 'roles/vm-network/templates')

diff --git a/roles/vm-network/templates/firewall.sh_public.j2 b/roles/vm-network/templates/firewall.sh_public.j2
new file mode 100644
index 00000000..df5b1373
--- /dev/null
+++ b/roles/vm-network/templates/firewall.sh_public.j2
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+PUBLIC_IPS="{% if item == 4 %}{{ srv_network_public_firewall_ipv4 | join(' ') }}{% else %}{{ srv_network_public_firewall_ipv6 | join(' ') }}{% endif %}"
+PUBLIC_IF="$2"
+TCP_PORTS="{{ srv_network.public.firewall.tcp_ports | default([]) | join(' ') }}"
+UDP_PORTS="{{ srv_network.public.firewall.udp_ports | default([]) | join(' ') }}"
+
+#####
+IPTABLES="/sbin/ip{% if item == 6 %}6{% endif %}tables"
+ICMP="icmp{% if item == 6 %}v6{% endif %}"
+
+case "$1" in
+  start)
+    $IPTABLES -A INPUT -i $PUBLIC_IF -p $ICMP -j ACCEPT
+    $IPTABLES -A INPUT -i $PUBLIC_IF -m state --state related,established -j ACCEPT
+    for port in $TCP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -A INPUT -i $PUBLIC_IF -d $ip -p tcp --dport $port -j ACCEPT
+      done
+    done
+    for port in $UDP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -A INPUT -i $PUBLIC_IF -d $ip -p udp --dport $port -j ACCEPT
+      done
+    done
+    $IPTABLES -A INPUT -i $PUBLIC_IF -j DROP
+  ;;
+  stop)
+    $IPTABLES -D INPUT -i $PUBLIC_IF -j DROP
+    for port in $UDP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -D INPUT -i $PUBLIC_IF -d $ip -p udp --dport $port -j ACCEPT
+      done
+    done
+    for port in $TCP_PORTS; do
+      for ip in $PUBLIC_IPS; do
+        $IPTABLES -D INPUT -i $PUBLIC_IF -d $ip -p tcp --dport $port -j ACCEPT
+      done
+    done
+    $IPTABLES -D INPUT -i $PUBLIC_IF -m state --state related,established -j ACCEPT
+    $IPTABLES -D INPUT -i $PUBLIC_IF -p $ICMP -j ACCEPT
+  ;;
+  *)
+    echo "Usage: $0 (start|stop)"
+    exit 1
+  ;;
+esac
+
+exit 0
diff --git a/roles/vm-network/templates/interfaces_lan.j2 b/roles/vm-network/templates/interfaces_lan.j2
new file mode 100644
index 00000000..36ae2883
--- /dev/null
+++ b/roles/vm-network/templates/interfaces_lan.j2
@@ -0,0 +1,17 @@
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# The internal network interface
+auto {{ srv_network.internal.interface }}
+iface {{ srv_network.internal.interface }} inet static
+  address {{ srv_network.internal.ip }}
+  netmask 255.255.255.0
+  gateway 192.168.1.254
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
diff --git a/roles/vm-network/templates/interfaces_public.j2 b/roles/vm-network/templates/interfaces_public.j2
new file mode 100644
index 00000000..2e8583ab
--- /dev/null
+++ b/roles/vm-network/templates/interfaces_public.j2
@@ -0,0 +1,63 @@
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# The internal network interface
+auto {{ srv_network.internal.interface }}
+iface {{ srv_network.internal.interface }} inet static
+  address {{ srv_network.internal.ip }}
+  netmask 255.255.255.0
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  up ip route add default via 192.168.1.254 table default
+  up ip rule add pref 42000 lookup default
+  up ip rule del pref 32767
+  down ip rule add pref 32767 lookup default
+  down ip rule del pref 42000
+  down ip route del default via 192.168.1.254 table default
+
+
+# The public network interface
+auto {{ srv_network.public.interface }}
+iface {{ srv_network.public.interface }} inet static
+  address {{ srv_network.public.ip }}
+  netmask 255.255.255.0
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  ## mur.at
+  up ip addr add dev $IFACE {{ srv_network.public.ip_mur }}/28
+  up ip route add default via 89.106.215.14 src {{ srv_network.public.ip_mur }} table mur-default
+  up ip rule add pref 33000 from {{ srv_network.public.ip_mur }} lookup mur-default
+  ## upc
+  up ip addr add dev $IFACE {{ srv_network.public.ip_upc }}/32
+  up ip route add default via 192.168.3.254 src {{ srv_network.public.ip_upc }} table upc-default
+  up ip rule add pref 35000 from {{ srv_network.public.ip_upc }} lookup upc-default
+  ### firewall
+  up /etc/network/firewall4.sh start $IFACE
+  ##########
+  down /etc/network/firewall4.sh stop $IFACE
+  ## upc
+  down ip rule del pref 35000
+  down ip route del default via 192.168.3.254 src {{ srv_network.public.ip_upc }} table upc-default
+  down ip addr del dev $IFACE {{ srv_network.public.ip_upc }}/32
+  ## mur.at
+  down ip rule del pref 33000
+  down ip route del default via 89.106.215.14 src {{ srv_network.public.ip_mur }} table mur-default
+  down ip addr del dev $IFACE {{ srv_network.public.ip_mur }}/28
+
+iface {{ srv_network.public.interface }} inet6 static
+  address {{ srv_network.public.ip_mur6 }}
+  netmask 64
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
+  pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf
+  up ip -6 route add default via 2a02:3e0:2003::e src {{ srv_network.public.ip_mur6 }} table mur-default
+  up ip -6 rule add pref 33000 from {{ srv_network.public.ip_mur6 }} lookup mur-default
+  up /etc/network/firewall6.sh start $IFACE
+  down /etc/network/firewall6.sh stop $IFACE
+  down ip -6 rule del pref 33000
+  down ip -6 route del default via 2a02:3e0:2003::e src {{ srv_network.public.ip_mur6 }} table mur-default
diff --git a/roles/vm-network/templates/systemd.link.j2 b/roles/vm-network/templates/systemd.link.j2
new file mode 100644
index 00000000..753fd586
--- /dev/null
+++ b/roles/vm-network/templates/systemd.link.j2
@@ -0,0 +1,5 @@
+[Match]
+Path=pci-0000:01:{{ "%02d" | format(item.idx) }}.0
+
+[Link]
+Name={{ item.name }}
-- 
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