244 lines
11 KiB
Bash
Executable File
244 lines
11 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -o errexit
|
|
set -o nounset
|
|
|
|
# This script deploy karmada control plane to any cluster you want. REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
|
|
# This script depends on utils in: ${REPO_ROOT}/hack/util.sh
|
|
|
|
REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
|
|
CERT_DIR=${CERT_DIR:-"${HOME}/.karmada"}
|
|
mkdir -p "${CERT_DIR}" &>/dev/null || mkdir -p "${CERT_DIR}"
|
|
rm -f "${CERT_DIR}/*" &>/dev/null || rm -f "${CERT_DIR}/*"
|
|
KARMADA_APISERVER_SECURE_PORT=${KARMADA_APISERVER_SECURE_PORT:-5443}
|
|
|
|
# The host cluster name which used to install karmada control plane components.
|
|
HOST_CLUSTER_NAME=${HOST_CLUSTER_NAME:-"karmada-host"}
|
|
ROOT_CA_FILE=${CERT_DIR}/server-ca.crt
|
|
CFSSL_VERSION="v1.5.0"
|
|
CLUSTER_IP_ONLY=${CLUSTER_IP_ONLY:-false} # whether create a 'ClusterIP' type service for karmada apiserver
|
|
source "${REPO_ROOT}"/hack/util.sh
|
|
|
|
function usage() {
|
|
echo "This script deploys karmada control plane components to a given cluster."
|
|
echo "Note: This script is an internal script and is not intended used by end-users."
|
|
echo "Usage: hack/deploy-karmada.sh <KUBECONFIG> <CONTEXT_NAME> [HOST_CLUSTER_TYPE]"
|
|
echo "Example: hack/deploy-karmada.sh ~/.kube/config karmada-host local"
|
|
echo -e "Parameters:\n\tKUBECONFIG\t\tYour cluster's kubeconfig that you want to install to"
|
|
echo -e "\tCONTEXT_NAME\t\tThe name of context in 'kubeconfig'"
|
|
echo -e "\tHOST_CLUSTER_TYPE\tThe type of your cluster that will install Karmada. Optional values are 'local' and 'remote',"
|
|
echo -e "\t\t\t\t'local' is default, as that is for the local environment, i.e. for the cluster created by kind."
|
|
echo -e "\t\t\t\tAnd if you want to install karmada to a standalone cluster, set it as 'remote'"
|
|
}
|
|
|
|
# recover the former value of KUBECONFIG
|
|
function recover_kubeconfig {
|
|
if [ -n "${CURR_KUBECONFIG+x}" ];then
|
|
export KUBECONFIG="${CURR_KUBECONFIG}"
|
|
else
|
|
unset KUBECONFIG
|
|
fi
|
|
}
|
|
|
|
if [[ $# -lt 2 ]]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
# check config file existence
|
|
HOST_CLUSTER_KUBECONFIG=$1
|
|
if [[ ! -f "${HOST_CLUSTER_KUBECONFIG}" ]]; then
|
|
echo -e "ERROR: failed to get kubernetes config file: '${HOST_CLUSTER_KUBECONFIG}', not existed.\n"
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
# check context existence and switch
|
|
# backup current kubeconfig before changing KUBECONFIG
|
|
if [ -n "${KUBECONFIG+x}" ];then
|
|
CURR_KUBECONFIG=$KUBECONFIG
|
|
fi
|
|
export KUBECONFIG="${HOST_CLUSTER_KUBECONFIG}"
|
|
HOST_CLUSTER_NAME=$2
|
|
if ! kubectl config use-context "${HOST_CLUSTER_NAME}" > /dev/null 2>&1;
|
|
then
|
|
echo -e "ERROR: failed to use context: '${HOST_CLUSTER_NAME}' not in ${HOST_CLUSTER_KUBECONFIG}. \n"
|
|
usage
|
|
recover_kubeconfig
|
|
exit 1
|
|
fi
|
|
|
|
HOST_CLUSTER_TYPE=${3:-"local"} # the default of host cluster type is local, i.e. cluster created by kind.
|
|
|
|
# generate a secret to store the certificates
|
|
function generate_cert_secret {
|
|
local karmada_ca
|
|
karmada_ca=$(base64 "${ROOT_CA_FILE}" | tr -d '\r\n')
|
|
|
|
local TEMP_PATH
|
|
TEMP_PATH=$(mktemp -d)
|
|
|
|
cp -rf "${REPO_ROOT}"/artifacts/deploy/karmada-cert-secret.yaml "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
cp -rf "${REPO_ROOT}"/artifacts/deploy/secret.yaml "${TEMP_PATH}"/secret-tmp.yaml
|
|
cp -rf "${REPO_ROOT}"/artifacts/deploy/karmada-webhook-cert-secret.yaml "${TEMP_PATH}"/karmada-webhook-cert-secret-tmp.yaml
|
|
|
|
sed -i'' -e "s/{{ca_crt}}/${karmada_ca}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
sed -i'' -e "s/{{client_cer}}/${KARMADA_CRT}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
sed -i'' -e "s/{{client_key}}/${KARMADA_KEY}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
|
|
sed -i'' -e "s/{{front_proxy_ca_crt}}/${FRONT_PROXY_CA_CRT}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
sed -i'' -e "s/{{front_proxy_client_crt}}/${FRONT_PROXY_CLIENT_CRT}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
sed -i'' -e "s/{{front_proxy_client_key}}/${FRONT_PROXY_CLIENT_KEY}/g" "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
|
|
sed -i'' -e "s/{{ca_crt}}/${karmada_ca}/g" "${TEMP_PATH}"/secret-tmp.yaml
|
|
sed -i'' -e "s/{{client_cer}}/${KARMADA_CRT}/g" "${TEMP_PATH}"/secret-tmp.yaml
|
|
sed -i'' -e "s/{{client_key}}/${KARMADA_KEY}/g" "${TEMP_PATH}"/secret-tmp.yaml
|
|
|
|
sed -i'' -e "s/{{server_key}}/${KARMADA_KEY}/g" "${TEMP_PATH}"/karmada-webhook-cert-secret-tmp.yaml
|
|
sed -i'' -e "s/{{server_certificate}}/${KARMADA_CRT}/g" "${TEMP_PATH}"/karmada-webhook-cert-secret-tmp.yaml
|
|
|
|
kubectl apply -f "${TEMP_PATH}"/karmada-cert-secret-tmp.yaml
|
|
kubectl apply -f "${TEMP_PATH}"/secret-tmp.yaml
|
|
kubectl apply -f "${TEMP_PATH}"/karmada-webhook-cert-secret-tmp.yaml
|
|
rm -rf "${TEMP_PATH}"
|
|
}
|
|
|
|
# install Karmada's APIs
|
|
function installCRDs() {
|
|
local crd_path=$1
|
|
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/namespace.yaml"
|
|
|
|
kubectl kustomize "${crd_path}"/_crds | kubectl apply -f -
|
|
}
|
|
|
|
# generate cert
|
|
util::cmd_must_exist "openssl"
|
|
util::cmd_must_exist_cfssl ${CFSSL_VERSION}
|
|
# create CA signers
|
|
util::create_signing_certkey "" "${CERT_DIR}" server '"client auth","server auth"'
|
|
util::create_signing_certkey "" "${CERT_DIR}" front-proxy '"client auth","server auth"'
|
|
# signs a certificate
|
|
util::create_certkey "" "${CERT_DIR}" "server-ca" karmada system:admin kubernetes.default.svc "*.etcd.karmada-system.svc.cluster.local" "*.karmada-system.svc.cluster.local" "*.karmada-system.svc" "localhost" "127.0.0.1"
|
|
util::create_certkey "" "${CERT_DIR}" "front-proxy-ca" front-proxy-client front-proxy-client kubernetes.default.svc "*.etcd.karmada-system.svc.cluster.local" "*.karmada-system.svc.cluster.local" "*.karmada-system.svc" "localhost" "127.0.0.1"
|
|
|
|
# create namespace for control plane components
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/namespace.yaml"
|
|
|
|
# create service account, cluster role for controller-manager
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/serviceaccount.yaml"
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/clusterrole.yaml"
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/clusterrolebinding.yaml"
|
|
|
|
KARMADA_CRT=$(base64 "${CERT_DIR}/karmada.crt" | tr -d '\r\n')
|
|
KARMADA_KEY=$(base64 "${CERT_DIR}/karmada.key" | tr -d '\r\n')
|
|
FRONT_PROXY_CA_CRT=$(base64 "${CERT_DIR}/front-proxy-ca.crt" | tr -d '\r\n')
|
|
FRONT_PROXY_CLIENT_CRT=$(base64 "${CERT_DIR}/front-proxy-client.crt" | tr -d '\r\n')
|
|
FRONT_PROXY_CLIENT_KEY=$(base64 "${CERT_DIR}/front-proxy-client.key" | tr -d '\r\n')
|
|
generate_cert_secret
|
|
|
|
# deploy karmada etcd
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-etcd.yaml"
|
|
|
|
# Wait for karmada-etcd to come up before launching the rest of the components.
|
|
util::wait_pod_ready "${ETCD_POD_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
|
|
#KARMADA_APISERVER_SERVICE_TYPE is the service type of karmada API Server, For connectivity, it will be different when
|
|
# HOST_CLUSTER_TYPE is different. When HOST_CLUSTER_TYPE=local, we will create a ClusterIP type Service. And when
|
|
# HOST_CLUSTER_TYPE=remote, we need to create a LoadBalancer service to access Karmada API Server outside the
|
|
# karmada-host cluster. Of course, you can still use a ClusterIP type Service by setting $CLUSTER_IP_ONLY=true
|
|
KARMADA_APISERVER_SERVICE_TYPE="ClusterIP"
|
|
|
|
if [ "${HOST_CLUSTER_TYPE}" = "local" ]; then # local mode
|
|
KARMADA_APISERVER_IP=$(util::get_apiserver_ip_from_kubeconfig "${HOST_CLUSTER_NAME}")
|
|
else # remote mode
|
|
# KARMADA_APISERVER_IP will be got when Karmada API Server is ready
|
|
if [ "${CLUSTER_IP_ONLY}" = false ]; then
|
|
KARMADA_APISERVER_SERVICE_TYPE="LoadBalancer"
|
|
fi
|
|
HOST_CLUSTER_TYPE="remote" # make sure HOST_CLUSTER_TYPE is in local and remote
|
|
fi
|
|
|
|
# deploy karmada apiserver
|
|
TEMP_PATH_APISERVER=$(mktemp -d)
|
|
cp "${REPO_ROOT}"/artifacts/deploy/karmada-apiserver.yaml "${TEMP_PATH_APISERVER}"/karmada-apiserver.yaml
|
|
sed -i'' -e "s/{{service_type}}/${KARMADA_APISERVER_SERVICE_TYPE}/g" "${TEMP_PATH_APISERVER}"/karmada-apiserver.yaml
|
|
echo -e "\nApply dynamic rendered apiserver service in ${TEMP_PATH_APISERVER}/karmada-apiserver.yaml."
|
|
kubectl apply -f "${TEMP_PATH_APISERVER}"/karmada-apiserver.yaml
|
|
|
|
# Wait for karmada-apiserver to come up before launching the rest of the components.
|
|
util::wait_pod_ready "${APISERVER_POD_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
|
|
# get Karmada apiserver IP at remote mode
|
|
if [ "${HOST_CLUSTER_TYPE}" = "remote" ]; then
|
|
case $KARMADA_APISERVER_SERVICE_TYPE in
|
|
ClusterIP)
|
|
KARMADA_APISERVER_IP=$(kubectl get service karmada-apiserver -n "${KARMADA_SYSTEM_NAMESPACE}" -o=jsonpath='{.spec.clusterIP}')
|
|
;;
|
|
LoadBalancer)
|
|
if util::wait_service_external_ip "karmada-apiserver" "${KARMADA_SYSTEM_NAMESPACE}"; then
|
|
echo "Get service external IP: ${SERVICE_EXTERNAL_IP}, wait to check network connectivity"
|
|
KARMADA_APISERVER_IP=$(util::get_load_balancer_ip) || KARMADA_APISERVER_IP=''
|
|
else
|
|
echo "ERROR: wait service external IP timeout, please check the load balancer IP of service: karmada-apiserver"
|
|
exit 1
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
if [[ -n "${KARMADA_APISERVER_IP}" ]]; then
|
|
echo -e "\nKarmada API Server's IP is: ${KARMADA_APISERVER_IP}, host cluster type is: ${HOST_CLUSTER_TYPE}"
|
|
else
|
|
echo -e "\nERROR: failed to get Karmada API server IP after creating service 'karmada-apiserver' (host cluster type: ${HOST_CLUSTER_TYPE}), please verify."
|
|
recover_kubeconfig
|
|
exit 1
|
|
fi
|
|
|
|
# write karmada api server config to kubeconfig file
|
|
util::append_client_kubeconfig "${HOST_CLUSTER_KUBECONFIG}" "${CERT_DIR}/karmada.crt" "${CERT_DIR}/karmada.key" "${KARMADA_APISERVER_IP}" "${KARMADA_APISERVER_SECURE_PORT}" karmada-apiserver
|
|
|
|
# deploy kube controller manager
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/kube-controller-manager.yaml"
|
|
# deploy aggregated-apiserver on host cluster
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-aggregated-apiserver.yaml"
|
|
util::wait_pod_ready "${KARMADA_AGGREGATION_APISERVER_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
|
|
# install CRD APIs on karmada apiserver.
|
|
if ! kubectl config use-context karmada-apiserver > /dev/null 2>&1;
|
|
then
|
|
echo -e "ERROR: failed to use context: karmada-apiserver not in ${HOST_CLUSTER_KUBECONFIG}."
|
|
recover_kubeconfig
|
|
exit 1
|
|
fi
|
|
|
|
TEMP_PATH_CRDS=$(mktemp -d)
|
|
cp -rf "${REPO_ROOT}"/charts/_crds "${TEMP_PATH_CRDS}"
|
|
util::fill_cabundle "${ROOT_CA_FILE}" "${TEMP_PATH_CRDS}/_crds/patches/webhook_in_resourcebindings.yaml"
|
|
util::fill_cabundle "${ROOT_CA_FILE}" "${TEMP_PATH_CRDS}/_crds/patches/webhook_in_clusterresourcebindings.yaml"
|
|
installCRDs "${TEMP_PATH_CRDS}"
|
|
rm -rf "${TEMP_PATH_CRDS}"
|
|
|
|
# deploy webhook configurations on karmada apiserver
|
|
util::deploy_webhook_configuration "${ROOT_CA_FILE}" "${REPO_ROOT}/artifacts/deploy/webhook-configuration.yaml"
|
|
|
|
# deploy APIService on karmada apiserver for karmada-aggregated-apiserver
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/apiservice.yaml"
|
|
# make sure apiservice for v1alpha1.cluster.karmada.io is Available
|
|
util::wait_apiservice_ready "${KARMADA_AGGREGATION_APISERVER_LABEL}"
|
|
|
|
kubectl config use-context "${HOST_CLUSTER_NAME}"
|
|
|
|
# deploy controller-manager on host cluster
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/controller-manager.yaml"
|
|
# deploy scheduler on host cluster
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-scheduler.yaml"
|
|
# deploy webhook on host cluster
|
|
kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-webhook.yaml"
|
|
|
|
# make sure all karmada control plane components are ready
|
|
util::wait_pod_ready "${KARMADA_CONTROLLER_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
util::wait_pod_ready "${KARMADA_SCHEDULER_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
util::wait_pod_ready "${KUBE_CONTROLLER_POD_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|
|
util::wait_pod_ready "${KARMADA_WEBHOOK_LABEL}" "${KARMADA_SYSTEM_NAMESPACE}"
|