diff options
| -rwxr-xr-x | kvm-creator | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/kvm-creator b/kvm-creator index c19830b..2a7bb2d 100755 --- a/kvm-creator +++ b/kvm-creator @@ -21,7 +21,7 @@ if [ "$?" -eq 0 ]; then MAC="${6:-$(cat /etc/sv/kvm/*/env/MAC | head -n1 | cut -f 1-5 -d: ):$(( $( cat /etc/sv/kvm/*/env/MAC | cut -f 6 -d: | sort -n | tail -n 1 ) + 1 ))}" else TAP=tap0 - MAC=:1 + MAC=00:00:00:00:00:00 fi die() { @@ -41,13 +41,22 @@ destroy() { } +validate() { + # Make sure none of the pieces already exist. + [ -z "$NAME" ] && die "Please pass the name of the virtual server to create" + [ -z "$VG" ] && die "Please pass the name of the volume group to use" + getent passwd "$NAME" > /dev/null + [ "$?" -eq "0" ] && die "The username '$NAME' already exists." + getent group "$NAME" > /dev/null + [ "$?" -eq 0 ] && die "The group '$NAME' already exists." + [ -d /home/"$NAME" ] && die "The directory '/home/$NAME' already exists." + [ -d /etc/sv/kvm/"$NAME" ] && die "The directory '/etc/sv/kvm/$NAME' already exists." + [ -d /dev/mapper/${VG}-${NAME} ] && die "The logical volume $NAME already exists." +} + create() { set -e - -# FIXME: check that this stuff doesn't exist yet: - - [ -z "$NAME" ] && die "Please pass the name of the virtual server to create" - [ -z "$VG" ] && die "Please pass the name of the volume group to use" + validate adduser "$NAME" --disabled-password --gecos "$NAME KVM user,,," addgroup "$NAME" kvm for dir in .ssh vms "vms/$NAME"; do @@ -86,7 +95,7 @@ EOF } demo() { - + validate for foo in NAME VG TAP RAM MAC SIZE ; do echo "$foo : ${!foo}" done |