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ceph-csi/scripts/install-snapshot.sh
Madhu Rajanna 96a3aabe5a deploy: remove psp from cephcsi
as PSP is deprecated in kubernetes 1.21
and will be removed in kubernetes 1.25
removing the existing PSP related templates
from the repo and updated the required documents.

fixes 

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2022-08-23 07:53:46 +00:00

97 lines
3.3 KiB
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#!/bin/bash -e
# This script can be used to install/delete snapshotcontroller and snapshot CRD
SCRIPT_DIR="$(dirname "${0}")"
# shellcheck source=build.env
source "${SCRIPT_DIR}/../build.env"
SNAPSHOT_VERSION=${SNAPSHOT_VERSION:-"v5.0.1"}
TEMP_DIR="$(mktemp -d)"
SNAPSHOTTER_URL="https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/${SNAPSHOT_VERSION}"
# controller
SNAPSHOT_RBAC="${SNAPSHOTTER_URL}/deploy/kubernetes/snapshot-controller/rbac-snapshot-controller.yaml"
SNAPSHOT_CONTROLLER="${SNAPSHOTTER_URL}/deploy/kubernetes/snapshot-controller/setup-snapshot-controller.yaml"
# snapshot CRD
SNAPSHOTCLASS="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshotclasses.yaml"
VOLUME_SNAPSHOT_CONTENT="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshotcontents.yaml"
VOLUME_SNAPSHOT="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshots.yaml"
function install_snapshot_controller() {
local namespace=$1
if [ -z "${namespace}" ]; then
namespace="kube-system"
fi
create_or_delete_resource "create" ${namespace}
pod_ready=$(kubectl get pods -l app=snapshot-controller -n ${namespace} -o jsonpath='{.items[0].status.containerStatuses[0].ready}')
INC=0
until [[ "${pod_ready}" == "true" || $INC -gt 20 ]]; do
sleep 10
((++INC))
pod_ready=$(kubectl get pods -l app=snapshot-controller -n ${namespace} -o jsonpath='{.items[0].status.containerStatuses[0].ready}')
echo "snapshotter pod status: ${pod_ready}"
done
if [ "${pod_ready}" != "true" ]; then
echo "snapshotter controller creation failed"
kubectl get pods -l app=snapshot-controller -n ${namespace}
kubectl describe po -l app=snapshot-controller -n ${namespace}
exit 1
fi
echo "snapshot controller creation successful"
}
function cleanup_snapshot_controller() {
local namespace=$1
if [ -z "${namespace}" ]; then
namespace="kube-system"
fi
create_or_delete_resource "delete" ${namespace}
}
function create_or_delete_resource() {
local operation=$1
local namespace=$2
temp_rbac=${TEMP_DIR}/snapshot-rbac.yaml
temp_snap_controller=${TEMP_DIR}/snapshot-controller.yaml
mkdir -p "${TEMP_DIR}"
curl -o "${temp_rbac}" "${SNAPSHOT_RBAC}"
curl -o "${temp_snap_controller}" "${SNAPSHOT_CONTROLLER}"
sed -i "s/namespace: kube-system/namespace: ${namespace}/g" "${temp_rbac}"
sed -i "s/namespace: kube-system/namespace: ${namespace}/g" "${temp_snap_controller}"
sed -i "s/canary/${SNAPSHOT_VERSION}/g" "${temp_snap_controller}"
kubectl "${operation}" -f "${temp_rbac}"
kubectl "${operation}" -f "${temp_snap_controller}" -n "${namespace}"
kubectl "${operation}" -f "${SNAPSHOTCLASS}"
kubectl "${operation}" -f "${VOLUME_SNAPSHOT_CONTENT}"
kubectl "${operation}" -f "${VOLUME_SNAPSHOT}"
}
function delete_snapshot_crd() {
kubectl delete -f "${SNAPSHOTCLASS}" --ignore-not-found
kubectl delete -f "${VOLUME_SNAPSHOT_CONTENT}" --ignore-not-found
kubectl delete -f "${VOLUME_SNAPSHOT}" --ignore-not-found
}
case "${1:-}" in
install)
install_snapshot_controller "$2"
;;
cleanup)
cleanup_snapshot_controller "$2"
;;
*)
echo "usage:" >&2
echo " $0 install" >&2
echo " $0 cleanup" >&2
;;
esac