1 files changed, 186 insertions, 5 deletions
diff --git a/adapt-ks-template b/adapt-ks-template
index db8ce3a..f6573de 100755
--- a/adapt-ks-template
+++ b/adapt-ks-template
@@ -1,7 +1,188 @@
 #!/bin/bash
 #
-# This is just a placeholder for a script which will be called with some 
-# options, and create a kickstart config froma template using those options.
-#
-# The kickstart config will then be placed somewhere, where it can be pulled
-# by the installer
+# proof of concept script to pull a kickstart template and adapt it to 
+# a config for a specific host
+
+Self=$(basename $0)
+
+function print_usage {
+  echo "usage: $Self <options>"
+}
+
+function print_help {
+cat <<EOF
+$Self <options>
+This script pulls a kickstart template from somewhere and creates a 
+specific kickstart config for a specific host based on the options 
+passed to it.
+
+The kickstart config will then be placed somewhere, where it can be pulled
+by the installer, which is probably the floppy image borne ipxe booted
+CentOS7 install system.
+
+Options:
+  -D, --domain          domain, to complete FQDN
+  -G, --gateway         Gateway of target system
+  -H, --host            hostname of the target system
+  -I, --ip              IP address of target system
+  -M, --netmask         Netmask of target system
+  -N, --nameserver      Nameserver of target system
+  -P, --publish-path    Path where results will be stored
+  --sec-ip		IP of secondary interface
+  --sec-nm		Netmask of secondary interface
+  -h, --help            this
+
+
+EOF
+}
+
+# Needed 'macro/substitutions:
+# INSTALLSERVER
+# PRIGATEWAY
+# PRIIP
+# PRINETMASK
+# PRINAMESERVERS
+# SECIP
+# SECNETMASK
+# HOSTNAME
+# DOMAIN
+
+function parse_commadline {
+  while [ "$#" -gt 0 ] ; do
+    case "$1" in
+    -h|--help)
+      print_help
+      exit 0
+      ;;
+    -H|--host)
+      Host="$2"
+      shift
+      ;;
+    -D|--domain)
+      Domain="$2"
+      shift
+      ;;
+    -I|--ip)
+      IP="$2"
+      shift
+      ;;
+    -M|--netmask)
+      NM="$2"
+      shift
+      ;;
+    -G|--gateway)
+      GW="$2"
+      shift
+      ;;
+    -N|--nameserver)
+      NS="$2"
+      shift
+      ;;
+    -P|--publish-path)
+      PublishPath="$2"
+      shift
+      ;;
+    -K|--kserver)
+      Kserver="$2"
+      shift
+      ;;
+    --sec-ip)
+      SecIP="${2}"
+      shift
+      ;;
+    --sec-nm)
+      SecNM="${2}"
+      shift
+      ;;
+    -T|--tmp-dir)
+      TmpDir="${2}"
+      shift
+      ;;
+    *)
+      echo "what do you mean \"$1\"?"
+      exit 1
+      ;;
+    esac
+    shift
+  done
+  if [ "x${Host}" = "x" ]
+  then
+    echo "${Self}: --host is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${Domain}" = "x" ]
+  then
+    echo "${Self}: --domain is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${IP}" = "x" ]
+  then
+    echo "${Self}: --ip is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${NM}" = "x" ]
+  then
+    echo "${Self}: --netmask is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${GW}" = "x" ]
+  then
+    echo "${Self}: --gateway is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${SecIP}" = "x" ]
+  then
+    echo "${Self}: --sec-ip is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${SecNM}" = "x" ]
+  then
+    echo "${Self}: --sec-nm is mandatory"
+    print_usage
+    exit 1
+  elif [ "x${Kserver}" = "x" ]
+  then
+    echo "setting Kserver"
+    Kserver="109.105.122.84"
+  elif [ "x${NS}" = "x" ]
+  then
+    NS="109.106.96.141"
+  fi
+}
+
+parse_commadline ${@}
+
+# for some bizarre reason, whichever is the last 'elif' in parse_commandline()
+# isn't evaluated. So this is needed to make sure $NS is set to something:
+if [ "x${NS}" = "x" ]
+then
+  NS="109.105.96.141"
+fi
+
+if [ "x${TmpDir}" = "x" ]
+then
+  TmpDir=$(mktemp -d)
+else
+  mkdir -p "${TmpDir}"
+fi
+
+curl -o "${TmpDir}/ks-template" "https://git.nordu.net/?p=ndn-boot-img-stuffs.git;a=blob_plain;f=ks-template/hw/supermicro/SYS-5018D-FN8T/dtn-10g.ks"
+
+# substitutions:
+sed -ie "s/HOSTNAME/${Host}/g" "${TmpDir}/ks-template"
+sed -ie "s/INSTALLSERVER/${Kserver}/g" "${TmpDir}/ks-template"
+sed -ie "s/PRIIP/${IP}/g" "${TmpDir}/ks-template"
+sed -ie "s/PRINETMASK/${NM}/g" "${TmpDir}/ks-template"
+sed -ie "s/PRIGATEWAY/${GW}/g" "${TmpDir}/ks-template"
+sed -ie "s/PRINAMESERVERS/${NS}/g" "${TmpDir}/ks-template"
+sed -ie "s/SECIP/${SecIP}/g" "${TmpDir}/ks-template"
+sed -ie "s/SECNETMASK/${SecNM}/g" "${TmpDir}/ks-template"
+
+if [ "x${PublishPath}" = "x" ]
+then
+  echo "PublishPath no set, leaving everything in ${TmpDir}"
+else
+  mkdir -p "${PublishPath}/ks"
+  mv "${TmpDir}/ks-template" "${PublishPath}/ks/${Host}.ks"
+  rm -rf "${TmpDir}/*"
+fi