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#!/usr/bin/env bash
#Clean script to uninstall provisioning server for Foreman/QuickStack
#author: Tim Rozet (trozet@redhat.com)
#
#Removes Libvirt, KVM, Vagrant, VirtualBox
#
#Destroys Vagrant VMs running in $vm_dir/
#Shuts down all nodes found in Khaleesi settings
#Removes hypervisor kernel modules (VirtualBox & KVM/Libvirt)
##VARS
reset=`tput sgr0`
blue=`tput setaf 4`
red=`tput setaf 1`
green=`tput setaf 2`
vm_dir=/var/opt/opnfv
##END VARS
##FUNCTIONS
display_usage() {
echo -e "\n\n${blue}This script is used to uninstall and clean the OPNFV Target System${reset}\n\n"
echo -e "\nUsage:\n$0 [arguments] \n"
echo -e "\n -no_parse : No variable parsing into config. Flag. \n"
echo -e "\n -base_config : Full path of ksgen settings file to parse. Required. Will provide BMC info to shutdown hosts. Example: -base_config /opt/myinventory.yml \n"
}
##END FUNCTIONS
if [[ ( $1 == "--help") || $1 == "-h" ]]; then
display_usage
exit 0
fi
echo -e "\n\n${blue}This script is used to uninstall and clean the OPNFV Target System${reset}\n\n"
echo "Use -h to display help"
sleep 2
while [ "`echo $1 | cut -c1`" = "-" ]
do
echo $1
case "$1" in
-base_config)
base_config=$2
shift 2
;;
*)
display_usage
exit 1
;;
esac
done
if [ ! -z "$base_config" ]; then
# Install ipmitool
# Major version is pinned to force some consistency for Arno
if ! yum list installed | grep -i ipmitool; then
if ! yum -y install ipmitool-1*; then
echo "${red}Unable to install ipmitool!${reset}"
exit 1
fi
else
echo "${blue}Skipping ipmitool as it is already installed!${reset}"
fi
###find all the bmc IPs and number of nodes
node_counter=0
output=`grep bmc_ip $base_config | grep -Eo '[0-9]+.[0-9]+.[0-9]+.[0-9]+'`
for line in ${output} ; do
bmc_ip[$node_counter]=$line
((node_counter++))
done
max_nodes=$((node_counter-1))
###find bmc_users per node
node_counter=0
output=`grep bmc_user $base_config | sed 's/\s*bmc_user:\s*//'`
for line in ${output} ; do
bmc_user[$node_counter]=$line
((node_counter++))
done
###find bmc_pass per node
node_counter=0
output=`grep bmc_pass $base_config | sed 's/\s*bmc_pass:\s*//'`
for line in ${output} ; do
bmc_pass[$node_counter]=$line
((node_counter++))
done
for mynode in `seq 0 $max_nodes`; do
echo "${blue}Node: ${bmc_ip[$mynode]} ${bmc_user[$mynode]} ${bmc_pass[$mynode]} ${reset}"
if ipmitool -I lanplus -P ${bmc_pass[$mynode]} -U ${bmc_user[$mynode]} -H ${bmc_ip[$mynode]} chassis power off; then
echo "${blue}Node: $mynode, ${bmc_ip[$mynode]} powered off!${reset}"
else
echo "${red}Error: Unable to power off $mynode, ${bmc_ip[$mynode]} ${reset}"
exit 1
fi
done
else
echo "${blue}Skipping Baremetal node poweroff as base_config was not provided${reset}"
fi
###check to see if vbox is installed
vboxpkg=`rpm -qa | grep VirtualBox`
if [ $? -eq 0 ]; then
skip_vagrant=0
else
skip_vagrant=1
fi
###legacy VM location check
###remove me later
if [ -d /tmp/bgs_vagrant ]; then
cd /tmp/bgs_vagrant
vagrant destroy -f
rm -rf /tmp/bgs_vagrant
fi
###destroy vagrant
if [ $skip_vagrant -eq 0 ]; then
if [ -d $vm_dir ]; then
##all vm directories
for vm in $( ls $vm_dir ); do
cd $vm_dir/$vm
if vagrant destroy -f; then
echo "${blue}Successfully destroyed $vm Vagrant VM ${reset}"
else
echo "${red}Unable to destroy $vm Vagrant VM! Attempting to killall vagrant if process is hung ${reset}"
killall vagrant
echo "${blue}Checking if vagrant was already destroyed and no process is active...${reset}"
if ps axf | grep vagrant | grep -v 'grep'; then
echo "${red}Vagrant process still exists after kill...exiting ${reset}"
exit 1
else
echo "${blue}Vagrant process doesn't exist. Moving on... ${reset}"
fi
fi
##Vagrant boxes appear as VboxHeadless processes
##try to gracefully destroy the VBox VM if it still exists
if vboxmanage list runningvms | grep $vm; then
echo "${red} $vm VBoxHeadless process still exists...Removing${reset}"
vbox_id=$(vboxmanage list runningvms | grep $vm | awk '{print $1}' | sed 's/"//g')
vboxmanage controlvm $vbox_id poweroff
if vboxmanage unregistervm --delete $vbox_id; then
echo "${blue}$vm VM is successfully deleted! ${reset}"
else
echo "${red} Unable to delete VM $vm ...Exiting ${reset}"
exit 1
fi
else
echo "${blue}$vm VM is successfully deleted! ${reset}"
fi
done
else
echo "${blue}${vm_dir} doesn't exist, no VMs in OPNFV directory to destroy! ${reset}"
fi
echo "${blue}Checking for any remaining virtual box processes...${reset}"
###kill virtualbox
if ps axf | grep virtualbox | grep -v 'grep'; then
echo "${blue}virtualbox processes are still running. Killing any remaining VirtualBox processes...${reset}"
killall virtualbox
fi
###kill any leftover VMs (brute force)
if ps axf | grep VBoxHeadless | grep -v 'grep'; then
echo "${blue}VBoxHeadless processes are still running. Killing any remaining VBoxHeadless processes...${reset}"
killall VBoxHeadless
fi
###remove virtualbox
echo "${blue}Removing VirtualBox... ${reset}"
yum -y remove $vboxpkg
else
echo "${blue}Skipping Vagrant destroy + VBox Removal as VirtualBox package is already removed ${reset}"
fi
###remove working vm directory
echo "${blue}Removing working VM directory: $vm_dir ${reset}"
rm -rf $vm_dir
###check to see if libvirt is installed
echo "${blue}Checking if libvirt/KVM is installed"
if rpm -qa | grep -iE 'libvirt|kvm'; then
echo "${blue}Libvirt/KVM is installed${reset}"
echo "${blue}Checking for any QEMU/KVM VMs...${reset}"
vm_count=0
while read -r line; do ((vm_count++)); done < <(virsh list --all | sed 1,2d | head -n -1)
if [ $vm_count -gt 0 ]; then
echo "${blue}VMs Found: $vm_count${reset}"
vm_runnning=0
while read -r line; do ((vm_running++)); done < <(virsh list --all | sed 1,2d | head -n -1| grep -i running)
echo "${blue}Powering off $vm_running VM(s)${reset}"
while read -r vm; do
if ! virsh destroy $vm; then
echo "${red}WARNING: Unable to power off VM ${vm}${reset}"
else
echo "${blue}VM $vm powered off!${reset}"
fi
done < <(virsh list --all | sed 1,2d | head -n -1| grep -i running | sed 's/^[ \t]*//' | awk '{print $2}')
echo "${blue}Destroying libvirt VMs...${reset}"
while read -r vm; do
if ! virsh undefine --remove-all-storage $vm; then
echo "${red}ERROR: Unable to remove the VM ${vm}${reset}"
exit 1
else
echo "${blue}VM $vm removed!${reset}"
fi
done < <(virsh list --all | sed 1,2d | head -n -1| awk '{print $2}')
else
echo "${blue}No VMs found for removal"
fi
echo "${blue}Removing libvirt and kvm packages"
yum -y remove libvirt-*
yum -y remove *qemu*
else
echo "${blue}libvirt/KVM is not installed${reset}"
fi
###remove kernel modules
echo "${blue}Removing kernel modules ${reset}"
for kernel_mod in vboxnetadp vboxnetflt vboxpci vboxdrv kvm_intel kvm; do
if ! rmmod $kernel_mod; then
if rmmod $kernel_mod 2>&1 | grep -i 'not currently loaded'; then
echo "${blue} $kernel_mod is not currently loaded! ${reset}"
else
echo "${red}Error trying to remove Kernel Module: $kernel_mod ${reset}"
exit 1
fi
else
echo "${blue}Removed Kernel Module: $kernel_mod ${reset}"
fi
done
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