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Add -y and -n options for non-interactive support (#37) 

Add the -y and -n flags to support non-interactive use by assuming 'yes'
or 'no' to the prompt to overwrite the existing domain, if one.
pull/42/head v0.9.1
Michael Meffie 7 years ago committed by Giovanni Torres
parent
2cad265bad
commit
693e8b94a4
1 changed files with 40 additions and 19 deletions
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      kvm-install-vm

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kvm-install-vm
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@ -45,25 +45,27 @@ function usage_subcommand ()
printf " help - show this help\n"
printf "\n"
printf "OPTIONS\n"
printf " -a Autostart (default: false)\n"
printf " -b Bridge (default: virbr0)\n"
printf " -c Number of vCPUs (default: 1)\n"
printf " -d Disk Size (GB) (default: 10)\n"
printf " -D DNS Domain (default: example.local)\n"
printf " -f CPU Model / Feature (default: host)\n"
printf " -g Graphics type (default: spice)\n"
printf " -a Autostart (default: false)\n"
printf " -b Bridge (default: virbr0)\n"
printf " -c Number of vCPUs (default: 1)\n"
printf " -d Disk Size (GB) (default: 10)\n"
printf " -D DNS Domain (default: example.local)\n"
printf " -f CPU Model / Feature (default: host)\n"
printf " -g Graphics type (default: spice)\n"
printf " -h Display help\n"
printf " -i Custom QCOW2 Image\n"
printf " -k SSH Public Key (default: $HOME/.ssh/id_rsa.pub)\n"
printf " -l Location of Images (default: $HOME/virt/images)\n"
printf " -L Location of VMs (default: $HOME/virt/vms)\n"
printf " -m Memory Size (MB) (default: 1024)\n"
printf " -M Mac address (default: auto-assigned)\n"
printf " -p Console port (default: auto)\n"
printf " -k SSH Public Key (default: $HOME/.ssh/id_rsa.pub)\n"
printf " -l Location of Images (default: $HOME/virt/images)\n"
printf " -L Location of VMs (default: $HOME/virt/vms)\n"
printf " -m Memory Size (MB) (default: 1024)\n"
printf " -M Mac address (default: auto-assigned)\n"
printf " -p Console port (default: auto)\n"
printf " -s Custom shell script\n"
printf " -t Linux Distribution (default: centos7)\n"
printf " -T Timezone (default: US/Eastern)\n"
printf " -u Custom user (default: $USER)\n"
printf " -t Linux Distribution (default: centos7)\n"
printf " -T Timezone (default: US/Eastern)\n"
printf " -u Custom user (default: $USER)\n"
printf " -y Assume yes to prompts (default: false)\n"
printf " -n Assume no to prompts (default: false)\n"
printf " -v Be verbose\n"
printf "\n"
printf "DISTRIBUTIONS\n"
@ -702,6 +704,8 @@ function set_defaults ()
PORT=-1 # Console port
TIMEZONE=US/Eastern # Timezone
ADDITIONAL_USER=${USER} # User
ASSUME_YES=0 # Assume yes to prompts
ASSUME_NO=0 # Assume no to prompts
VERBOSE=0 # Verbosity
# Reset OPTIND
@ -720,7 +724,7 @@ function set_custom_defaults ()
function create ()
{
# Parse command line arguments
while getopts ":b:c:d:D:f:g:i:k:l:L:m:M:p:s:t:T:u:ahv" opt
while getopts ":b:c:d:D:f:g:i:k:l:L:m:M:p:s:t:T:u:ahynv" opt
do
case "$opt" in
a ) AUTOSTART=${OPTARG} ;;
@ -741,6 +745,8 @@ function create ()
t ) DISTRO="${OPTARG}" ;;
T ) TIMEZONE="${OPTARG}" ;;
u ) ADDITIONAL_USER="${OPTARG}" ;;
y ) ASSUME_YES=1 ;;
n ) ASSUME_NO=1 ;;
v ) VERBOSE=1 ;;
h ) usage ;;
* ) die "Unsupported option. Run 'kvm-install-vm help create'." ;;
@ -756,6 +762,13 @@ function create ()
DISK_SIZE="${DISK_SIZE}G" # Append 'G' for Gigabyte
fi
# Yes (-y) and No (-n) are mutually exclusive.
if [[ "${ASSUME_YES}" -eq 1 ]] && [[ "${ASSUME_NO}" -eq 1 ]]
then
printf "Please specify only one of -y or -n flags.\n"
exit 1
fi
# After all options are processed, make sure only one variable is left (vmname)
if [ "$#" != 1 ]
then
@ -787,8 +800,16 @@ function create ()
domain_exists "${VMNAME}"
if [ "${DOMAIN_EXISTS}" -eq 1 ]; then
echo -n "[WARNING] ${VMNAME} already exists. "
read -p "Do you want to overwrite ${VMNAME} [y/N]? " -r
echo -n "[WARNING] ${VMNAME} already exists. Do you want to overwrite ${VMNAME} [y/N]? "
if [ "${ASSUME_YES}" -eq 1 ]; then
REPLY="y"
echo $REPLY
elif [ "${ASSUME_NO}" -eq 1 ]; then
REPLY="n"
echo $REPLY
else
read -r
fi
if [[ $REPLY =~ ^[Yy]$ ]]; then
delete_vm
else

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