138 lines
6.3 KiB
Bash
Executable File
138 lines
6.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
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CERT_DIR=${CERT_DIR:-"/var/run/karmada"}
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mkdir -p "${CERT_DIR}" &>/dev/null || sudo mkdir -p "${CERT_DIR}"
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KARMADA_APISERVER_CONFIG="${CERT_DIR}/karmada-apiserver.config"
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KARMADA_APISERVER_SECURE_PORT=${KARMADA_APISERVER_SECURE_PORT:-5443}
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# The host cluster name which used to install karmada control plane components.
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HOST_CLUSTER_NAME=${HOST_CLUSTER_NAME:-"karmada-host"}
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HOST_CLUSTER_KUBECONFIG=${HOST_CLUSTER_KUBECONFIG:-"${HOME}/.kube/karmada-host.config"}
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ROOT_CA_FILE=${CERT_DIR}/server-ca.crt
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CFSSL_VERSION="v1.5.0"
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CONTROLPLANE_SUDO=$(test -w "${CERT_DIR}" || echo "sudo -E")
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source ${REPO_ROOT}/hack/util.sh
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function usage() {
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echo "This script will deploy karmada control plane to a cluster."
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echo "Usage: hack/deploy-karmada.sh"
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echo "Example: hack/deploy-karmada.sh"
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}
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# generate a secret to store the certificates
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function generate_cert_secret {
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local karmada_crt_file=${CERT_DIR}/karmada.crt
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local karmada_key_file=${CERT_DIR}/karmada.key
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sudo chmod 0644 ${karmada_crt_file}
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sudo chmod 0644 ${karmada_key_file}
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local karmada_ca=$(sudo cat ${ROOT_CA_FILE} | base64 | tr "\n" " "|sed s/[[:space:]]//g)
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local karmada_crt=$(sudo cat ${karmada_crt_file} | base64 | tr "\n" " "|sed s/[[:space:]]//g)
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local karmada_key=$(sudo cat ${karmada_key_file} | base64 | tr "\n" " "|sed s/[[:space:]]//g)
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local TEMP_PATH=$(mktemp -d)
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cp -rf ${REPO_ROOT}/artifacts/deploy/karmada-cert-secret.yaml ${TEMP_PATH}/karmada-cert-secret-tmp.yaml
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cp -rf ${REPO_ROOT}/artifacts/deploy/secret.yaml ${TEMP_PATH}/secret-tmp.yaml
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cp -rf ${REPO_ROOT}/artifacts/deploy/karmada-webhook-cert-secret.yaml ${TEMP_PATH}/karmada-webhook-cert-secret-tmp.yaml
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sed -i "s/{{ca_crt}}/${karmada_ca}/g" ${TEMP_PATH}/karmada-cert-secret-tmp.yaml
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sed -i "s/{{client_cer}}/${karmada_crt}/g" ${TEMP_PATH}/karmada-cert-secret-tmp.yaml
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sed -i "s/{{client_key}}/${karmada_key}/g" ${TEMP_PATH}/karmada-cert-secret-tmp.yaml
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sed -i "s/{{ca_crt}}/${karmada_ca}/g" ${TEMP_PATH}/secret-tmp.yaml
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sed -i "s/{{client_cer}}/${karmada_crt}/g" ${TEMP_PATH}/secret-tmp.yaml
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sed -i "s/{{client_key}}/${karmada_key}/g" ${TEMP_PATH}/secret-tmp.yaml
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sed -i "s/{{server_key}}/${karmada_key}/g" ${TEMP_PATH}/karmada-webhook-cert-secret-tmp.yaml
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sed -i "s/{{server_certificate}}/${karmada_crt}/g" ${TEMP_PATH}/karmada-webhook-cert-secret-tmp.yaml
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kubectl apply -f ${TEMP_PATH}/karmada-cert-secret-tmp.yaml
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kubectl apply -f ${TEMP_PATH}/secret-tmp.yaml
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kubectl apply -f ${TEMP_PATH}/karmada-webhook-cert-secret-tmp.yaml
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rm -rf "${TEMP_PATH}"
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}
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function installCRDs() {
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if [ ! -f ${KARMADA_APISERVER_CONFIG} ]; then
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echo "Please provide kubeconfig to connect karmada apiserver"
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return 1
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fi
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# install APIs
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/namespace.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/cluster.karmada.io_clusters.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/policy.karmada.io_propagationpolicies.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/policy.karmada.io_resourcebindings.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/policy.karmada.io_overridepolicies.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/work.karmada.io_works.yaml"
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}
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#generate cert
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util::cmd_must_exist "openssl"
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util::cmd_must_exist_cfssl ${CFSSL_VERSION}
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# create CA signers
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util::create_signing_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" server '"client auth","server auth"'
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# signs a certificate
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util::create_certkey "${CONTROLPLANE_SUDO}" "${CERT_DIR}" "server-ca" karmada system:admin kubernetes.default.svc "*.etcd.karmada-system.svc.cluster.local" "*.karmada-system.svc.cluster.local" "*.karmada-system.svc" "localhost" "127.0.0.1"
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KARMADA_APISERVER_IP=$(docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "${HOST_CLUSTER_NAME}-control-plane")
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util::write_client_kubeconfig "${CONTROLPLANE_SUDO}" "${CERT_DIR}" "${ROOT_CA_FILE}" "${KARMADA_APISERVER_IP}" "${KARMADA_APISERVER_SECURE_PORT}" karmada-apiserver
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export KUBECONFIG="${HOST_CLUSTER_KUBECONFIG}"
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# create namespace for control plane components
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/namespace.yaml"
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# create service account, cluster role for controller-manager
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/serviceaccount.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/clusterrole.yaml"
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/clusterrolebinding.yaml"
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generate_cert_secret
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# deploy karmada etcd
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-etcd.yaml"
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# Wait for karmada-etcd to come up before launching the rest of the components.
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util::wait_pod_ready ${ETCD_POD_LABEL} "karmada-system"
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# deploy karmada apiserver
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TEMP_PATH=$(mktemp -d)
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cp -rf ${REPO_ROOT}/artifacts/deploy/karmada-apiserver.yaml ${TEMP_PATH}/karmada-apiserver-tmp.yaml
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sed -i "s/{{api_addr}}/${KARMADA_APISERVER_IP}/g" ${TEMP_PATH}/karmada-apiserver-tmp.yaml
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kubectl apply -f "${TEMP_PATH}/karmada-apiserver-tmp.yaml"
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rm -rf "${TEMP_PATH}"
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# Wait for karmada-apiserver to come up before launching the rest of the components.
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util::wait_pod_ready ${APISERVER_POD_LABEL} "karmada-system"
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# deploy kube controller manager
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/kube-controller-manager.yaml"
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# install CRD APIs on karmada apiserver.
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export KUBECONFIG=${KARMADA_APISERVER_CONFIG}
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installCRDs
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# deploy webhook configurations on karmada apiserver
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util::deploy_webhook_configuration ${ROOT_CA_FILE} "${REPO_ROOT}/artifacts/deploy/webhook-configuration.yaml"
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export KUBECONFIG=${HOST_CLUSTER_KUBECONFIG}
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# deploy controller-manager on host cluster
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/controller-manager.yaml"
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# deploy scheduler on host cluster
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-scheduler.yaml"
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# deploy webhook on host cluster
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kubectl apply -f "${REPO_ROOT}/artifacts/deploy/karmada-webhook.yaml"
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# make sure all karmada control plane components are ready
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util::wait_pod_ready ${KARMADA_CONTROLLER_LABEL} "karmada-system"
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util::wait_pod_ready ${KARMADA_SCHEDULER_LABEL} "karmada-system"
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util::wait_pod_ready ${KUBE_CONTROLLER_POD_LABEL} "karmada-system"
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util::wait_pod_ready ${KARMADA_WEBHOOK_LABEL} "karmada-system"
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