clean-cluster

#!/bin/sh

statedir=${1:-.}

function volume_present() {
    vol="$1"
    for v in $(virsh --quiet vol-list --pool default |awk '{print $1}') ; do
	[[ $v == $vol ]] && return 0
    done
    return 1
}

function delete_volume() {
    for vol in "$@" ; do
	volume_present "$vol" && {
	    echo "Deleting volume $vol"
	    virsh vol-delete --pool default "$vol"
	}
    done
}

function destroy_net() {
    for net in "$@" ; do
	[[ -n $(virsh --quiet net-list --all |awk '{print $1}' |grep "$net") ]] && {
	    echo "Destroying net $net"
	    virsh net-destroy "$net"
	    virsh net-undefine "$net"
	}
    done
}

function destroy_node() {
    for node in "$@" ; do
	[[ -n $(virsh --quiet list --all |awk '{print $2}' |grep "$node") ]] && {
	    echo "Destroying $node"
	    virsh destroy "$node"
	    virsh undefine "$node"
	    delete_volume "$node"
	}
    done
}

if [[ $OPENSHIFT_INSTALL_PLATFORM == libvirt ]] ; then
    tmp_cluster_name=$(virsh --quiet net-list | awk '{print $1}' | grep "^${statedir}")
    [[ -n $tmp_cluster_name ]] && {
	statedir=$tmp_cluster_name
	workers=$(virsh list --name |grep -E "^(${statedir}-)?worker-")
	if [[ -n $workers ]] ; then
	    echo -n "Destroying workers..."
	    destroy_node $workers
	    echo
	fi
	destroy_net "$statedir"
	destroy_net $(virsh --quiet net-list | awk '{print $1}' | grep "^${statedir}")
	destroy_node "${statedir}-bootstrap"
	destroy_node "${statedir}-master-0"
	for f in base master-0 master.ign worker.ign bootstrap bootstrap.ign ; do
	    delete_volume ${statedir}-$f
	done
	delete_volume $(virsh --quiet vol-list --pool default | awk '{print $1}' | grep "^${statedir}")
    }
fi

if [[ -n $statedir && $statedir != . && $statedir != .. ]] ; then
    echo "Removing statedir $statedir"
    rm -rf "$statedir"
else
    echo "Removing state"
    rm -rf .openshift_install_state.json terraform.tfstate terraform.tfvars terraform.state metadata.json auth tectonic
fi
echo Done