MAIN_CONFIG="${context}"
        fi
        export KUBECONFIG="${context}"
        kubectl delete ns istio-system-multi --ignore-not-found
        kubectl delete clusterrolebinding istio-multi-test --ignore-not-found
        kubectl create ns istio-system-multi
        kubectl create sa istio-multi-test -n istio-system-multi

  fi

  local kubectl="${KUBE_ROOT}/cluster/kubectl.sh"
  # Unset the current-context before we delete it, as otherwise kubectl errors.
  local cc
  cc=$("${kubectl}" config view -o jsonpath='{.current-context}')
  if [[ "${cc}" == "${CONTEXT}" ]]; then
    "${kubectl}" config unset current-context
  fi
  "${kubectl}" config unset "clusters.${CONTEXT}"
  "${kubectl}" config unset "users.${CONTEXT}"

.PHONY: fetch-root-ca
rawcluster := $(shell kubectl config current-context)
cluster := $(subst /,-,$(rawcluster))
pwd := $(shell pwd)
export KUBECONFIG

fetch-root-ca:
	@echo "fetching root ca from k8s cluster: "$(cluster)""
	@mkdir -p $(pwd)/$(cluster)
	@res=$$(kubectl get secret istio-ca-secret -n $(ISTIO_NAMESPACE) >/dev/null 2>&1; echo $$?); \
	if [ $$res -eq 1 ]; then \

# 2. Logging doesn't work from files that print things out.
# 3. Kubectl prints the output to stderr (the output should be captured and then
#    logged)

KUBECTL=${KUBECTL_BIN:-/usr/local/bin/kubectl}
KUBECTL_OPTS=${KUBECTL_OPTS:-}
# KUBECTL_PRUNE_WHITELIST is a list of resources whitelisted by default.
# This is currently the same with the default in:
# https://github.com/kubernetes/kubectl/blob/master/pkg/cmd/apply/prune.go.

  export KUBECONFIG=${CERT_DIR}/admin.kubeconfig
  cluster/kubectl.sh

Alternatively, you can write to the default kubeconfig:

  export KUBERNETES_PROVIDER=local

  cluster/kubectl.sh config set-cluster local --server=https://${API_HOST}:${API_SECURE_PORT} --certificate-authority=${ROOT_CA_FILE}
  cluster/kubectl.sh config set-credentials myself ${AUTH_ARGS}
  cluster/kubectl.sh config set-context local --cluster=local --user=myself

  genman "${dest}/docs/man/man1/" "kube-scheduler"
  genman "${dest}/docs/man/man1/" "kubelet"
  genman "${dest}/docs/man/man1/" "kubectl"
  genman "${dest}/docs/man/man1/" "kubeadm"

  mkdir -p "${dest}/docs/yaml/kubectl/"
  genyaml "${dest}/docs/yaml/kubectl/"

  # create the list of generated files
  pushd "${dest}" > /dev/null || return 1
  touch docs/.generated_docs

E2E_TEST_DEBUG_TOOL=${E2E_TEST_DEBUG_TOOL:-}

: "${KUBECTL:="${KUBE_ROOT}/cluster/kubectl.sh"}"
: "${KUBE_CONFIG_FILE:="config-test.sh"}"

export KUBECTL KUBE_CONFIG_FILE

source "${KUBE_ROOT}/cluster/kube-util.sh"

function detect-master-from-kubeconfig() {
    export KUBECONFIG=${KUBECONFIG:-$DEFAULT_KUBECONFIG}

    local cc
    cc=$("${KUBE_ROOT}/cluster/kubectl.sh" config view -o jsonpath="{.current-context}")

    C1_POD_CIDR=$(KUBECONFIG="${C1_KUBECONFIG}" kubectl get node -ojsonpath='{.items[0].spec.podCIDR}')
    C2_POD_CIDR=$(KUBECONFIG="${C2_KUBECONFIG}" kubectl get node -ojsonpath='{.items[0].spec.podCIDR}')
    C1_SVC_CIDR=$(KUBECONFIG="${C1_KUBECONFIG}" kubectl cluster-info dump | sed -n 's/^.*--service-cluster-ip-range=\([^"]*\).*$/\1/p' | head -n 1)

# See the License for the specific language governing permissions and
# limitations under the License.

# Dockerfile used for the kubectl image.

ARG BASEIMAGE
ARG BINARY


FROM "${BASEIMAGE}"
COPY ${BINARY} /bin/

  local -r endtime=$(date -ud "3 minute" +%s)
  until [[ $("${KUBE_ROOT}"/cluster/kubectl.sh -n kube-system get deployment coredns -o=jsonpath='{$.metadata.resourceVersion}') -ne ${COREDNS_DEPLOY_RESOURCE_VERSION} ]] || [[ $(date -u +%s) -gt $endtime ]]; do
     sleep 1
  done