From 7572453d44cd69062cadbe1b77daf911daa5e1cc Mon Sep 17 00:00:00 2001
From: Ansible Admin <roman@katrincak.de>
Date: Mon, 21 Dec 2015 00:20:51 +0100
Subject: [PATCH] Change back to l2tp Backbone

---
 files/l2tp_backbone.sh.j2 | 56 +++++++++++++++++++++++++++++++++++++++
 install.sn.yml            | 10 ++++---
 l2tp_backbone.sh          | 56 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+), 4 deletions(-)
 create mode 100644 files/l2tp_backbone.sh.j2
 create mode 100755 l2tp_backbone.sh

diff --git a/files/l2tp_backbone.sh.j2 b/files/l2tp_backbone.sh.j2
new file mode 100644
index 0000000..41925c7
--- /dev/null
+++ b/files/l2tp_backbone.sh.j2
@@ -0,0 +1,56 @@
+#!/bin/sh
+# Version 5
+# Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
+communityname="troisdorf"
+#server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9 "
+server="troisdorf0 {{ sn_hostname }}"
+domain="freifunk-troisdorf.de"
+mtu=1400
+# community MAC address, without the last Byte (:)!
+communitymacaddress="a2:8c:ae:6f:f6"
+tunnelPrefix=10
+sessionPrefix=1
+# Netzwerkteil des Netzes, ohne abschliessenden Punkt
+communitynetwork="10.188"
+# IPv6 network
+communitynetworkv6="fda0:747e:ab29:7405:255::"
+# Drittes Octet des serverbereichs
+octet3rd="255"
+# CIDR muss /16 sein
+localserver=$(/bin/hostname)
+batadv=/usr/local/sbin/batadv-vis
+alfred=/usr/local/sbin/alfred
+batctl=/usr/local/sbin/batctl
+ip=/sbin/ip
+dig=/usr/bin/dig
+
+for i in $server; do
+(
+        for j in $server; do
+                if [ $i  != $j ]; then
+                        if [ $i = $localserver ]; then
+                                 ip l2tp add tunnel remote $($dig +short $j.$domain) local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} peer_tunnel_id $tunnelPrefix${j#$communityname}${i#$communityname} encap udp udp_sport 300${i#$communityname}${j#$communityname} udp_dport 300${j#$communityname}${i#$communityname}
+                                 ip l2tp add session name l2tp-$j tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} session_id $sessionPrefix${i#$communityname}${j#$communityname} peer_session_id $sessionPrefix${j#$communityname}${i#$communityname}
+                                 #ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev l2tp-$j
+                                 ip link set dev l2tp-$j mtu $mtu
+                                 ip link set up l2tp-$j
+                                 $batctl if add l2tp-$j
+                        fi
+                fi
+        done
+)
+done
+
+# Rest starten
+$ip link set address $communitymacaddress:0${localserver#$communityname} dev bat0
+#$ip link set address $communitymacaddress:ff dev bat0
+$ip link set up dev bat0
+$ip addr add $communitynetwork.$octet3rd.${localserver#$communityname}/16 broadcast $communitynetwork.255.255 dev bat0
+$ip -6 addr add $communitynetworkv6${localserver#$communityname}/64 dev bat0
+
+/usr/bin/killall alfred
+/usr/bin/killall batadv-vis
+/bin/sleep 5
+$alfred -i bat0 > /dev/null 2>&1 &
+/bin/sleep 15
+$batadv -i bat0 -s > /dev/null 2>&1 &
diff --git a/install.sn.yml b/install.sn.yml
index a6c1230..89a638b 100644
--- a/install.sn.yml
+++ b/install.sn.yml
@@ -9,7 +9,7 @@
   user: root
   gather_facts: False
   vars:
-    snversion: master_v1.2
+    snversion: master_v1.4
     common_required_packages:
       - git
       - make
@@ -37,6 +37,8 @@
       - radvd
       - curl
       - htop
+      - psmisc
+      - dnsutils
     modules_required:
       - batman-adv
       - nf_conntrack_netlink
@@ -189,11 +191,11 @@
     - name: Copy dhcpd template file
       template: src=./files/dhcpd.conf.j2 dest=/etc/dhcp/dhcpd.conf owner=root group=root mode=0444
     - name: Add cron backbone script
-      cron: name=backbone special_time=reboot job="/opt/freifunk/gre_backbone.sh"
+      cron: name=backbone special_time=reboot job="/opt/freifunk/l2tp_backbone.sh"
     - name: Add cron startup script
       cron: name=startup special_time=reboot job="/opt/freifunk/sn_startup.sh"
     - name: Copy backbone script
-      template: src=./files/gre_backbone.sh.j2 dest=/opt/freifunk/gre_backbone.sh owner=root group=root mode=0544
+      template: src=./files/l2tp_backbone.sh.j2 dest=/opt/freifunk/l2tp_backbone.sh owner=root group=root mode=0544
     - name: Collectd template file
       template: src=./files/collectd.conf.j2 dest=/etc/collectd/collectd.conf owner=root group=root mode=0444
       register: collectd
@@ -238,7 +240,7 @@
       local_action:
         module: slack
         token: "{{ slack_token }}"
-        msg: "{{ inventory_hostname }} completed with branch testing"
+        msg: "{{ inventory_hostname }} completed with {{ snversion }}"
         channel: "#technik"
         username: "Ansible on {{ inventory_hostname }}"
         parse: 'none'
diff --git a/l2tp_backbone.sh b/l2tp_backbone.sh
new file mode 100755
index 0000000..c3fffb4
--- /dev/null
+++ b/l2tp_backbone.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+# Version 5
+# Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
+communityname="troisdorf"
+#server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9 "
+server="troisdorf0 troisdorf9"
+domain="freifunk-troisdorf.de"
+mtu=1400
+# community MAC address, without the last Byte (:)!
+communitymacaddress="a2:8c:ae:6f:f6"
+tunnelPrefix=10
+sessionPrefix=1
+# Netzwerkteil des Netzes, ohne abschliessenden Punkt
+communitynetwork="10.188"
+# IPv6 network
+communitynetworkv6="fda0:747e:ab29:7405:255::"
+# Drittes Octet des serverbereichs
+octet3rd="255"
+# CIDR muss /16 sein
+localserver=$(/bin/hostname)
+batadv=/usr/local/sbin/batadv-vis
+alfred=/usr/local/sbin/alfred
+batctl=/usr/local/sbin/batctl
+ip=/sbin/ip
+dig=/usr/bin/dig
+
+for i in $server; do
+(
+        for j in $server; do
+                if [ $i  != $j ]; then
+                        if [ $i = $localserver ]; then
+                                 ip l2tp add tunnel remote $($dig +short $j.$domain) local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} peer_tunnel_id $tunnelPrefix${j#$communityname}${i#$communityname} encap udp udp_sport 300${i#$communityname}${j#$communityname} udp_dport 300${j#$communityname}${i#$communityname}
+                                 ip l2tp add session name l2tp-$j tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} session_id $sessionPrefix${i#$communityname}${j#$communityname} peer_session_id $sessionPrefix${j#$communityname}${i#$communityname}
+                                 #ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev l2tp-$j
+                                 ip link set dev l2tp-$j mtu $mtu
+                                 ip link set up l2tp-$j
+                                 $batctl if add l2tp-$j
+                        fi
+                fi
+        done
+)
+done
+
+# Rest starten
+$ip link set address $communitymacaddress:0${localserver#$communityname} dev bat0
+#$ip link set address $communitymacaddress:ff dev bat0
+$ip link set up dev bat0
+$ip addr add $communitynetwork.$octet3rd.${localserver#$communityname}/16 broadcast $communitynetwork.255.255 dev bat0
+$ip -6 addr add $communitynetworkv6${localserver#$communityname}/64 dev bat0
+
+/usr/bin/killall alfred
+/usr/bin/killall batadv-vis
+/bin/sleep 5
+$alfred -i bat0 > /dev/null 2>&1 &
+/bin/sleep 15
+$batadv -i bat0 -s > /dev/null 2>&1 &