convert kube cluster from m1 to gp flavors

flavor.gp.kube.sh

#!/bin/bash

. ~/Work/radiant/openstack.sh

export OS_CLOUD=cinet
kubectx cinet

for n in $(kubectl get no | awk '/controlplane/ { print $1}'); do
  echo "-- $n"
  FLAVOR=$(openstack server show $n | awk '/flavor/ { print $4}')
  NEW_FLAVOR=$(echo $FLAVOR | sed 's/m1/gp/')
  if [ "$FLAVOR" != "$NEW_FLAVOR" ]; then
    echo "Resize $FLAVOR -> $NEW_FLAVOR"
    kubectl drain --ignore-daemonsets --delete-emptydir-data $n
    ssh $n 'sudo yum -y update'
    openstack server resize --flavor $NEW_FLAVOR $n
    while [ "$(openstack server show $n | awk '/ status / { print $4 }')" != "VERIFY_RESIZE" ]; do
      sleep 1
    done
    openstack server resize confirm $n
    while [ "$(openstack server show $n | awk '/ status / { print $4 }')" != "ACTIVE" ]; do
      sleep 1
    done
    kubectl uncordon $n
    sleep 10
  fi
done

for n in $(kubectl get no | awk '/worker/ { print $1}'); do
  echo "-- $n"
  FLAVOR=$(openstack server show $n | awk '/flavor/ { print $4}')
  NEW_FLAVOR=$(echo $FLAVOR | sed 's/m1/gp/')
  if [ "$FLAVOR" != "$NEW_FLAVOR" ]; then
    echo "Resize $FLAVOR -> $NEW_FLAVOR"
    kubectl drain --ignore-daemonsets --delete-emptydir-data $n
    ssh $n 'sudo yum -y update'
    openstack server resize --flavor $NEW_FLAVOR $n
    while [ "$(openstack server show $n | awk '/ status / { print $4 }')" != "VERIFY_RESIZE" ]; do
      sleep 1
    done
    openstack server resize confirm $n
    while [ "$(openstack server show $n | awk '/ status / { print $4 }')" != "ACTIVE" ]; do
      sleep 1
    done
    kubectl uncordon $n
    sleep 10
  fi
done