Created
August 1, 2017 09:34
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rpm -q libguestfs-tools || yum install -y libguestfs-tools | |
for vm in $(virsh list --all | tail -n +3 | awk ' { print $2 } ') ; do | |
virsh start $vm | |
done | |
### FIXME: Adjust the wait time according to the number of VMs and how powerful | |
### your server is. | |
echo "Waiting for the vms to power up" | |
sleep 3m | |
mkdir -p ~/install-files/ ; | |
### FIXME: iterates over all RHEL 6 hosts (in my case, all RHEL 6 hosts contain the r6 | |
### string as part of their name. Replace or remove this accordingly | |
for vm in $(virsh list --all | tail -n +3 | grep running | grep r6 | awk ' { print $2 } ') ; do | |
echo "Reading last leases from $vm" | |
virt-cat $vm /var/lib/dhclient/dhclient-eth1.leases | tail -17 | grep "fixed-address" | sed 's/;//' | awk '{ print $2 }' > /root/install-files/$vm.ip.source | |
## Print the new IP | |
IP_NEW="$(cat /root/install-files/$vm.ip.source)" | |
echo "New IP address is ${IP_NEW}" | |
done | |
### FIXME: iterates over all RHEL 6 hosts (in my case, all RHEL 7 hosts contain the r7 | |
### string as part of their name. Replace or remove this accordingly | |
for vm in $(virsh list --all | tail -n +3 | grep running | grep r7 | awk ' { print $2 } ') ; do | |
echo "Reading last leases from $vm" | |
leases_file=$(virt-ls $vm /var/lib/NetworkManager/ | grep lease) | |
virt-cat $vm /var/lib/NetworkManager/$leases_file | tail -17 | grep "fixed-address" | sed 's/;//' | awk '{ print $2 }' > /root/install-files/$vm.ip.source | |
## Print the new IP | |
IP_NEW="$(cat /root/install-files/$vm.ip.source)" | |
echo "New IP address is ${IP_NEW}" | |
done |
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