migrate dc to deployment

migrate_dc_to_deployment.sh

readonly tempdir="/tmp/templates"
mkdir -p "$tempdir"

oc project logging
readonly dcs=( $(oc get dc | awk 'NR > 1 {print($1)}') )
for dc in ${dcs[@]}; do
        oc get dc "$dc" -o yaml |
        sed 's/^apiVersion: v1/apiVersion: extensions\/v1beta1/' |
        sed 's/DeploymentConfig/Deployment/' |
        awk '/strategy:/{l=0}/.*/{if(l){print("  "$0)}else{print($0)}} /  selector:/{print "    matchLabels:";l=1}' |
        sed 's/type: Rolling/type: RollingUpdate/' |
        awk '/rollingParams:/{rp=1} /type:/{rp=0} /.*/{if(rp==0){print($0)}}' > "$tempdir/$dc".yaml
done

for dc in ${dcs[@]}; do
        echo "scale down $dc"
        oc scale deploymentconfig "$dc" --replicas=0
done

for dc in ${dcs[@]}; do
        oc delete dc "$dc"
done

readonly rcs=( $(oc get replicationcontroller | awk 'NR > 1 {print($1)}') )

for rc in ${rcs[@]}; do
        oc delete replicationcontroller "$rc"
done

for dc in /tmp/templates; do
        oc create -f "$dc"
done