forked from rook/rook
subhamkrai
7f0179c1ba
this commit update cert-manager to v1.3.1 Signed-off-by: subhamkrai <srai@redhat.com>
97 lines
3.9 KiB
Bash
Executable File
97 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# deploy_admission_controller.sh
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# Sets up the environment for the admission controller webhook in the active cluster.
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set -eEo pipefail
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function cleanup() {
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set +e
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kubectl -n rook-ceph delete validatingwebhookconfigurations $WEBHOOK_CONFIG_NAME
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kubectl -n rook-ceph delete certificate rook-admission-controller-cert
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kubectl -n rook-ceph delete issuers selfsigned-issuer
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kubectl delete -f https://github.com/jetstack/cert-manager/releases/download/$CERT_VERSION/cert-manager.yaml
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set -e
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}
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function error_log() {
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set +e -x
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kubectl -n rook-ceph get issuer
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kubectl -n rook-ceph get certificate
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kubectl -n rook-ceph get secret | grep rook-ceph-admission-controller
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kubectl -n rook-ceph get validatingwebhookconfigurations.admissionregistration.k8s.io
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kubectl describe validatingwebhookconfigurations.admissionregistration.k8s.io cert-manager-webhook
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kubectl describe validatingwebhookconfigurations.admissionregistration.k8s.io rook-ceph-webhook
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kubectl -n cert-manager logs deploy/cert-manager-webhook --tail=10
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kubectl -n cert-manager logs deploy/cert-manager-cainjector --tail=10
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set -e +x
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cleanup
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}
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trap cleanup SIGINT
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trap error_log ERR
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# Minimum 1.16.0 kubernetes version is required to start the admission controller
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SERVER_VERSION=$(kubectl version --short | awk -F "." '/Server Version/ {print $2}')
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MINIMUM_VERSION=16
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if [ ${SERVER_VERSION} -lt ${MINIMUM_VERSION} ]; then
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echo "required minimum kubernetes version 1.$MINIMUM_VERSION.0"
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exit
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fi
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# Set our known directories and parameters.
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BASE_DIR=$(cd "$(dirname "$0")"; pwd)
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CERT_VERSION="v1.3.1"
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[ -z "${NAMESPACE}" ] && NAMESPACE="rook-ceph"
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export NAMESPACE
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export WEBHOOK_CONFIG_NAME="rook-ceph-webhook"
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export SERVICE_NAME="rook-ceph-admission-controller"
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echo "$BASE_DIR"
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echo "Deploying cert-manager"
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kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/$CERT_VERSION/cert-manager.yaml
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timeout 150 sh -c 'until [ $(kubectl -n cert-manager get pods --field-selector=status.phase=Running|grep -c ^cert-) -eq 3 ]; do sleep 1 && echo "waiting for cert-manager pods to be in running state"; done'
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timeout 20 sh -c 'until [ $(kubectl -n cert-manager get pods -o custom-columns=READY:status.containerStatuses[*].ready | grep -c true) -eq 3 ]; do sleep 1 && echo "waiting for the pods to be in ready state"; done'
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timeout 25 sh -c 'until [ $(kubectl get validatingwebhookconfigurations cert-manager-webhook -o jsonpath='{.webhooks[*].clientConfig.caBundle}' | wc -c) -gt 1 ]; do sleep 1 && echo "waiting for caInjector to inject in caBundle for cert-manager validating webhook"; done'
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timeout 25 sh -c 'until [ $(kubectl get mutatingwebhookconfigurations cert-manager-webhook -o jsonpath='{.webhooks[*].clientConfig.caBundle}' | wc -c) -gt 1 ]; do sleep 1 && echo "waiting for caInjector to inject in caBundle for cert-managers mutating webhook"; done'
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echo "Successfully deployed cert-manager"
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echo "Creating Issuer and Certificate"
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cat <<EOF | kubectl create -f -
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apiVersion: cert-manager.io/v1
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kind: Issuer
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metadata:
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name: selfsigned-issuer
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namespace: ${NAMESPACE}
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spec:
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selfSigned: {}
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---
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apiVersion: cert-manager.io/v1
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kind: Certificate
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metadata:
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name: rook-admission-controller-cert
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namespace: ${NAMESPACE}
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spec:
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dnsNames:
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- ${SERVICE_NAME}
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- ${SERVICE_NAME}.${NAMESPACE}.svc
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- ${SERVICE_NAME}.${NAMESPACE}.svc.cluster.local
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issuerRef:
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kind: Issuer
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name: selfsigned-issuer
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secretName: rook-ceph-admission-controller
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EOF
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echo "Successfully created Issuer and Certificate"
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echo "Deploying webhook config"
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cat ${BASE_DIR}/webhook-config.yaml | \
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"${BASE_DIR}"/webhook-patch-ca-bundle.sh | \
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sed -e "s|\${NAMESPACE}|${NAMESPACE}|g" | \
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sed -e "s|\${WEBHOOK_CONFIG_NAME}|${WEBHOOK_CONFIG_NAME}|g" | \
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sed -e "s|\${SERVICE_NAME}|${SERVICE_NAME}|g" | \
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kubectl create -f -
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echo "Webhook deployed! Please start the rook operator to create the service and admission controller pods"
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