uninstall_ODF

disk_cleanup.sh

#!/bin/bash
config_file="/opt/cal/cipe/output/node.json"
wipefs_opts="--all --force"

function get_odf_disks() {
        ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null core@$1 " \
for i in $(echo $2); do \
 LANG=C; \
 sudo fdisk -lu \"\$i\" | tr '\n' ' ' | grep 'Disk ' |grep -v 'Disklabel type:' | grep -o \"\$i\"; \
done;"
}

function control_compute_disk_cleanup() {
        node_ips=$(jq .[].hostIP4? ${config_file} | tr -d '"')
        [ -z "$node_ips" ] && {
                echo "Unable to get the control/compute node IPs from CIPE file node.json, exiting.."
                exit 1
        }
        IFS=''
        rc1=0
        for node in ${node_ips}; do
                rc2=0
                node_all_disk="$(ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null core@${node} sudo lsblk -o NAME -p | grep ^/dev | grep -v ^/dev/loop)"
                node_odf_disk=$(get_odf_disks "$node" "$node_all_disk")
                rc2+=$?
                ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null core@${node} " \
                        for disk in $(echo ${node_odf_disk}); do \
                                echo \"Processing \${disk} on node ${node}\";
                                sudo sudo sgdisk --zap-all \${disk}; \
                                sudo sudo dd if=/dev/zero of="\${disk}" bs=1M count=1000 oflag=direct,dsync; \
                                sudo sudo blkdiscard \${disk}; \
                                sudo sudo partprobe \${disk}; \
                        done; \
                        [ $rc2 -ne 0 ] && \
                                echo \"[WARN] One or more wipefs command was failed for node ${node} ODF disk, continueing anyway.\" "
                rc2=0
                rc2+=$?
                ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null core@${node} " \
                        for disk in $(echo ${node_all_disk}); do \
                                echo \"Processing \${disk} on node ${node}\";
                                sudo sudo sgdisk --zap-all \${disk}; \
                                sudo sudo dd if=/dev/zero of="\${disk}" bs=1M count=100 oflag=direct,dsync; \
                                sudo sudo blkdiscard \${disk}; \
                                sudo sudo partprobe \${disk}; \
                        done; \
                        [ $rc2 -ne 0 ] && \
                                echo \"[WARN] One or more wipefs command was failed for node ${node}, continueing anyway.\" "
                rc1+=${rc2}
        done
        [ $rc1 -ne 0 ] && \
        echo "[WARN] wipefs command execution had one or more error, check the previous execution log trace for more information."
}

function provnode_disk_cleanup() {
        rc=0
        provnode_disk=$(sudo lsblk -o NAME -p | grep ^/dev | grep -v ^/dev/loop)
        for disk in ${provnode_disk}; do
                sudo wipefs ${wipefs_opts} ${disk}
                rc+=$?
        done

        [ $rc -ne 0 ] && echo "[WARN] One or more wipefs command was failed on provnode, continueing anyway."
}

disk_cleanupfunc() {
        case $1 in
        --control_compute_disk_cleanup) control_compute_disk_cleanup ;;
        --provnode_disk_cleanup) provnode_disk_cleanup ;;
        *)
                echo "$0 <--control_compute_disk_cleanup|--provnode_disk_cleanup>"
                exit 1
                ;;
        esac
}

####MAIN####
disk_cleanupfunc $@
echo "Disk cleanup script execution done"
exit 0