OpenShift 4 Prometheus time series query

prometheus_query.sh

QUERY="kube_pod_status_phase{phase='Running'}"
HEADER="Authorization: Bearer sha256~....."
API="https://prometheus-k8s-openshift-monitoring.apps.ocp4.something.io/api/v1/query_range?query"
START="2022-09-02T19:10:30.781Z"
END="2022-09-02T19:11:30.781Z"
STEP="15s"

rawurlencode_vladr() { 
    local LANG=C 
    local IFS= 
    while read -n1 -r -d "$(echo -n "\000")" c 
    do
        case "$c" in
            [-_.~a-zA-Z0-9])
                echo -n "$c" 
                ;;
            *)
                printf '%%%02x' "'$c"
                ;;
        esac
    done
}

ENC_QUERY=$(echo -n "${QUERY}" | rawurlencode_vladr)

curl -k -H "${HEADER}" "${API}=${ENC_QUERY}&start=${START}&end=${END}&step=${STEP}"