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enable secured kubelet in hack/local-up-cluster.sh #71690

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Dec 4, 2018
Merged

enable secured kubelet in hack/local-up-cluster.sh #71690

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12 changes: 10 additions & 2 deletions hack/local-up-cluster.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -483,6 +483,7 @@ function generate_certs {
kube::util::create_client_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" 'client-ca' controller system:kube-controller-manager
kube::util::create_client_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" 'client-ca' scheduler system:kube-scheduler
kube::util::create_client_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" 'client-ca' admin system:admin system:masters
kube::util::create_client_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" 'client-ca' kube-apiserver kube-apiserver

# Create matching certificates for kube-aggregator
kube::util::create_serving_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" "server-ca" kube-aggregator api.kube-public.svc "localhost" ${API_HOST_IP}
Expand Down Expand Up @@ -573,6 +574,8 @@ function start_apiserver {
--vmodule="${LOG_SPEC}" \
--cert-dir="${CERT_DIR}" \
--client-ca-file="${CERT_DIR}/client-ca.crt" \
--kubelet-client-certificate="${CERT_DIR}/client-kube-apiserver.crt" \
--kubelet-client-key="${CERT_DIR}/client-kube-apiserver.key" \
--service-account-key-file="${SERVICE_ACCOUNT_KEY}" \
--service-account-lookup="${SERVICE_ACCOUNT_LOOKUP}" \
--enable-admission-plugins="${ENABLE_ADMISSION_PLUGINS}" \
Expand Down Expand Up @@ -616,6 +619,9 @@ function start_apiserver {
AUTH_ARGS="--client-key=${CERT_DIR}/client-admin.key --client-certificate=${CERT_DIR}/client-admin.crt"
fi

# Grant apiserver permission to speak to the kubelet
kubectl --kubeconfig "${CERT_DIR}/admin.kubeconfig" create clusterrolebinding kube-apiserver-kubelet-admin --clusterrole=system:kubelet-api-admin --user=kube-apiserver

${CONTROLPLANE_SUDO} cp "${CERT_DIR}/admin.kubeconfig" "${CERT_DIR}/admin-kube-aggregator.kubeconfig"
${CONTROLPLANE_SUDO} chown $(whoami) "${CERT_DIR}/admin-kube-aggregator.kubeconfig"
${KUBECTL} config set-cluster local-up-cluster --kubeconfig="${CERT_DIR}/admin-kube-aggregator.kubeconfig" --server="https://${API_HOST_IP}:31090"
Expand Down Expand Up @@ -723,14 +729,16 @@ function start_kubelet {
fi

auth_args=""
if [[ -n "${KUBELET_AUTHORIZATION_WEBHOOK:-}" ]]; then
if [[ "${KUBELET_AUTHORIZATION_WEBHOOK:-}" != "false" ]]; then
auth_args="${auth_args} --authorization-mode=Webhook"
fi
if [[ -n "${KUBELET_AUTHENTICATION_WEBHOOK:-}" ]]; then
if [[ "${KUBELET_AUTHENTICATION_WEBHOOK:-}" != "false" ]]; then
auth_args="${auth_args} --authentication-token-webhook"
fi
if [[ -n "${CLIENT_CA_FILE:-}" ]]; then
auth_args="${auth_args} --client-ca-file=${CLIENT_CA_FILE}"
else
auth_args="${auth_args} --client-ca-file=${CERT_DIR}/client-ca.crt"
fi

cni_conf_dir_args=""
Expand Down