f23

[infrastructure.git] / scripts / create-vm.sh

diff --git a/scripts/create-vm.sh b/scripts/create-vm.sh
index a4f228f..617ec51 100755 (executable)
--- a/scripts/create-vm.sh
+++ b/scripts/create-vm.sh
@@ -5,56 +5,83 @@ DIRNAME=$(dirname $0)
 
 BUILD="${HOME}/git-build"
 
-echo "Updating $BUILD"
-cd $BUILD
-git pull
-cd -
-
 LOGS=$HOME/machines
 
 [ -d $LOGS ] || { echo "Creating logs dir $LOGS" ; mkdir -p $LOGS; } 
 
 DOMAIN=pl.sophia.inria.fr
 
-DEFAULT_DISTRO=f20
-# do not care about 32 bits anymore
-#DEFAULT_PERSO=linux64
+DEFAULT_DISTRO=f23
+DEFAULT_MEMORY=4096
 
-INTERACTIVE=
-DISTRO=$DEFAULT_DISTRO
+CONFIRM=
 function usage () {
   message="$@" 
-  echo "usage : $COMMAND [-i] [-f distro] hostname"
-  echo "  default distro is $DEFAULT_DISTRO"
+  echo "usage : $COMMAND [-c] [-f distro] [-i image] [ -m memory ] [ -n hostname ] [-s] container"
+  echo " -c : confirm, will show the command and prompt for confirmation "
+  echo " -f : set distro, default is $DEFAULT_DISTRO"
+  echo " -i : if specified, image is rsynced into /vservers"
+  echo "      warning: we cannot use an image already in /vservers..."
+  echo " -m : memory size in Mb - default is $DEFAULT_MEMORY"
+  echo " -n : specify hostname if different from container"
+  echo " -s : do not start VM"
+  echo " container : used for /vservers/foo as well as the lxc/libvirt name"
+  echo "examples"
+  echo "  create-vm.sh sandbox"
+  echo "    Builds a brand new $DEFAULT_DISTRO 64bits VM named sandbox with hostname sandbox.pl.sophia.inria.fr"
+  echo "  create-vm.sh -i /vservers/migrating/testmaster -n testmaster testmaster.f14"
+  echo "    Create a container named testmaster.f14 from the specified image with hostname testmaster.pl.sophia.inria.fr"
   [ -n "$message" ] && echo $message
   exit 1
 }
 
-while getopts "f:ih" flag; do
+# using HOSTNAME won't work as this is already set in environment
+while getopts "cf:i:m:n:sh" flag; do
     case $flag in
-       f) DISTRO=$OPTARG;;
-       i) INTERACTIVE=true ;;
+       c) CONFIRM=true ;;
+       f) DISTRO=$OPTARG ;;
+        i) IMAGE=$OPTARG ;;
+       m) MEMORY=$OPTARG ;;
+       n) VM_HOSTNAME=$OPTARG ;;
+       s) DO_NOT_START_VM=true ;;
        ?|h) usage "" ;;
     esac
 done
+# parse args
 shift $((OPTIND-1))
 [[ -z "$@" ]] && usage "no hostname provided"
 container="$1" ; shift
-[[ -n "$@" ]] && usage "extra arguments"  "$@" "(hostname=$container)"
-
+[[ -n "$@" ]] && usage "extra arguments" "$@" "(container=$container)"
 
+# sanity checks
 [ -d "$BUILD" ] || usage "Could not find directory $BUILD"
-
 [ -d /vservers/$container ] && usage "container $container already exists in /vservers"
 
-fqdn=$container.$DOMAIN
-
-command="$BUILD/lbuild-initvm.sh -f $DISTRO -n $fqdn $container"
+echo "Updating $BUILD"
+cd $BUILD
+git pull
+cd -
 
-if [ -n "$INTERACTIVE" ] ; then
-    echo -n "Run $command OK ? "
+# compute all vars from args
+[ -z "$DISTRO" ] && DISTRO="$DEFAULT_DISTRO"
+[ -z "$MEMORY" ] && MEMORY="$DEFAULT_MEMORY"
+[ -z "$VM_HOSTNAME" ] && VM_HOSTNAME="$container"
+fqdn=$VM_HOSTNAME.$DOMAIN
+
+# prepare initvm command
+initvm="$BUILD/lbuild-initvm.sh"
+[ -z "$IMAGE" ] && initvm="$initvm -f $DISTRO" || initvm="$initvm -i $IMAGE"
+initvm="$initvm -n $fqdn"
+[ -n "$DO_NOT_START_VM" ] && initvm="$initvm -s"
+[ -n "$MEMORY" ] && initvm="$initvm -m $MEMORY" 
+initvm="$initvm $container"
+
+if [ -n "$CONFIRM" ] ; then
+    echo -n "Run $initvm OK ? "
     read answer ; case $answer in [nN]*) exit 1 ;; esac
 fi
 
-$command 2>&1 > $LOGS/$container.log
+echo "Running $initvm"
+echo "Storing output in $LOGS/$container.log"
+$initvm >& $LOGS/$container.log