From f08bda4256f7c71899c45ea8b5ad73c67f77ae9a Mon Sep 17 00:00:00 2001
From: Georg Pfuetzenreuter
Date: Wed, 8 Feb 2023 21:19:37 +0100
Subject: Add netcup_failover profile

Profile managing a Netcup IP address failover script for use with
keepalived.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
---
 salt/profile/netcup_failover/README.md            |  14 +++
 salt/profile/netcup_failover/files/failover.sh.j2 | 109 ++++++++++++++++++++++
 salt/profile/netcup_failover/init.sls             |  10 ++
 3 files changed, 133 insertions(+)
 create mode 100644 salt/profile/netcup_failover/README.md
 create mode 100755 salt/profile/netcup_failover/files/failover.sh.j2
 create mode 100644 salt/profile/netcup_failover/init.sls

diff --git a/salt/profile/netcup_failover/README.md b/salt/profile/netcup_failover/README.md
new file mode 100644
index 0000000..fc01bfb
--- /dev/null
+++ b/salt/profile/netcup_failover/README.md
@@ -0,0 +1,14 @@
+This profile installs a script switching failover IP addresses between Netcup hosted VM's.
+
+Required pillar:
+
+```
+profile:
+  netcup_failover:
+    scp_user: 12345
+    scp_pass: xxxx
+    scp_server: v9876
+    mac_address: ff:ff:ff:ff:ff
+    ip4_address: xx.xx.xx.xx/32
+    ip6_address: 'foo:bar::/64'
+```
diff --git a/salt/profile/netcup_failover/files/failover.sh.j2 b/salt/profile/netcup_failover/files/failover.sh.j2
new file mode 100755
index 0000000..92ebd31
--- /dev/null
+++ b/salt/profile/netcup_failover/files/failover.sh.j2
@@ -0,0 +1,109 @@
+{%- set header = salt['pillar.get']('managed_header_pound') -%}
+{%- set mypillar = salt['pillar.get']('profile:netcup_failover') -%}
+#!/bin/sh
+# Floating IP switching script utilizing the Netcup API
+
+{{ header }}
+
+SCP_USER='{{ mypillar['scp_user'] }}'
+SCP_PASS='{{ mypillar['scp_pass'] }}'
+SCP_SERVER='{{ mypillar['scp_server'] }}'
+MAC='{{ mypillar['mac_address'] }}'
+IP_v4='{{ mypillar['ip4_address'] }}'
+IP_v6='{{ mypillar['ip6_address'] }}'
+
+URL="https://www.servercontrolpanel.de/WSEndUser?xsd=1" ### ?xsd=1 ?wsdl
+
+usage () {
+        echo "$0 [--ipv4 | --ipv6 | --all] [--debug]"
+        exit 2
+}
+
+init () {
+        construct "$1"
+        run
+        parse
+}
+
+construct () {
+        if [ "$1" = "ip4" ];
+        then
+                local IP="$IP_v4"
+        fi
+        if [ "$1" = "ip6" ];
+        then
+                local IP="$IP_v6"
+        fi
+        local CIDR="${IP#*/}"
+        local IP="`echo $IP | sed "s?/$CIDR??"`"
+        if [ "$DEBUG" = "true" ];
+        then
+                echo "[DEBUG] Initiating: $1"
+                echo "[DEBUG] IP Address: $IP"
+                echo "[DEBUG] CIDR Mask: $CIDR"
+        fi
+        XML_BODY="<SOAP-ENV:Envelope xmlns:SOAP-ENV='http://schemas.xmlsoap.org/soap/envelope/' xmlns:ns1='http://enduser.service.web.vcp.netcup.de/'><SOAP-ENV:Body><ns1:changeIPRouting><loginName>$SCP_USER</loginName><password>$SCP_PASS</password><routedIP>$IP</routedIP><routedMask>$CIDR</routedMask><destinationVserverName>$SCP_SERVER</destinationVserverName><destinationInterfaceMAC>$MAC</destinationInterfaceMAC></ns1:changeIPRouting></SOAP-ENV:Body></SOAP-ENV:Envelope>"
+        if [ "$DEBUG" = "true" ];
+        then
+                echo "[DEBUG] Payload: $XML_BODY"
+        fi
+}
+
+request () {
+        curl -s -H 'Content-Type: text/xml' -H 'SOAPAction:' -d "$XML_BODY" -X POST "$URL"
+}
+
+run () {
+        RESPONSE=`request`
+        if [ "$DEBUG" = "true" ];
+        then
+                echo "[DEBUG] Response: $RESPONSE"
+        fi
+
+}
+
+parse () {
+        local IFS='&'
+        local check_invalid="validation error&IP already assigned&true"
+        for check in $check_invalid;
+        do
+                if [ "$DEBUG" = "true" ];
+                then
+                        echo "[DEBUG] Parsing: $check"
+                fi
+                if [ "${RESPONSE#*$check}" = "$RESPONSE" ];
+                then
+                        result="Not found"
+                fi
+                if [ "${RESPONSE#*$check}" != "$RESPONSE" ];
+                then
+                        result="Found"
+                fi
+                echo "Check for \"$check\": $result"
+        done
+}
+
+MODE="$1"
+
+if [ "$2" = "--debug" ];
+then
+        DEBUG="true"
+        echo "[DEBUG] Script invoked at `date`"
+fi
+
+case "$MODE" in
+        "--ipv4" )
+                init ip4
+                ;;
+        "--ipv6" )
+                init ip6
+                ;;
+        "--all" )
+                init ip6
+                init ip4
+                ;;
+        * )
+                usage
+                ;;
+esac
+
diff --git a/salt/profile/netcup_failover/init.sls b/salt/profile/netcup_failover/init.sls
new file mode 100644
index 0000000..c4d5679
--- /dev/null
+++ b/salt/profile/netcup_failover/init.sls
@@ -0,0 +1,10 @@
+include:
+  - profile.keepalived_script_user
+
+/usr/local/bin/failover:
+  file.managed:
+    - user: keepalived_script
+    - group: wheel
+    - mode: 750
+    - template: jinja
+    - source: salt://{{ slspath }}/files/failover.sh.j2
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