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https://github.com/ceph/ceph-csi.git
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98b2a32767
Install latest version of snapshotter and also take care of create/delete of new CRD's and required flag for volumegroupsnapshot operation Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
120 lines
4.7 KiB
Bash
Executable File
120 lines
4.7 KiB
Bash
Executable File
#!/bin/bash -e
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# This script can be used to install/delete snapshotcontroller and snapshot CRD
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SCRIPT_DIR="$(dirname "${0}")"
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# shellcheck source=build.env
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source "${SCRIPT_DIR}/../build.env"
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SNAPSHOT_VERSION=${SNAPSHOT_VERSION:-"v5.0.1"}
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TEMP_DIR="$(mktemp -d)"
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SNAPSHOTTER_URL="https://raw.githubusercontent.com/kubernetes-csi/external-snapshotter/${SNAPSHOT_VERSION}"
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# controller
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SNAPSHOT_RBAC="${SNAPSHOTTER_URL}/deploy/kubernetes/snapshot-controller/rbac-snapshot-controller.yaml"
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SNAPSHOT_CONTROLLER="${SNAPSHOTTER_URL}/deploy/kubernetes/snapshot-controller/setup-snapshot-controller.yaml"
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# snapshot CRD
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SNAPSHOTCLASS="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshotclasses.yaml"
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VOLUME_SNAPSHOT_CONTENT="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshotcontents.yaml"
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VOLUME_SNAPSHOT="${SNAPSHOTTER_URL}/client/config/crd/snapshot.storage.k8s.io_volumesnapshots.yaml"
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# volumegroupsnapshot CRD
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VOLUME_GROUP_SNAPSHOTCLASS="${SNAPSHOTTER_URL}/client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshotclasses.yaml"
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VOLUME_GROUP_SNAPSHOT_CONTENT="${SNAPSHOTTER_URL}/client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshotcontents.yaml"
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VOLUME_GROUP_SNAPSHOT="${SNAPSHOTTER_URL}/client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshots.yaml"
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function install_snapshot_controller() {
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local namespace=$1
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if [ -z "${namespace}" ]; then
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namespace="kube-system"
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fi
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create_or_delete_resource "create" "${namespace}"
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pod_ready=$(kubectl get pods -l app=snapshot-controller -n "${namespace}" -o jsonpath='{.items[0].status.containerStatuses[0].ready}')
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INC=0
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until [[ "${pod_ready}" == "true" || $INC -gt 20 ]]; do
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sleep 10
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((++INC))
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pod_ready=$(kubectl get pods -l app=snapshot-controller -n "${namespace}" -o jsonpath='{.items[0].status.containerStatuses[0].ready}')
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echo "snapshotter pod status: ${pod_ready}"
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done
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if [ "${pod_ready}" != "true" ]; then
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echo "snapshotter controller creation failed"
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kubectl get pods -l app=snapshot-controller -n "${namespace}"
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kubectl describe po -l app=snapshot-controller -n "${namespace}"
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exit 1
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fi
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echo "snapshot controller creation successful"
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}
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function cleanup_snapshot_controller() {
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local namespace=$1
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if [ -z "${namespace}" ]; then
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namespace="kube-system"
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fi
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create_or_delete_resource "delete" "${namespace}"
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}
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function create_or_delete_resource() {
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local operation=$1
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local namespace=$2
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temp_rbac=${TEMP_DIR}/snapshot-rbac.yaml
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temp_snap_controller=${TEMP_DIR}/snapshot-controller.yaml
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mkdir -p "${TEMP_DIR}"
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curl -o "${temp_rbac}" "${SNAPSHOT_RBAC}"
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curl -o "${temp_snap_controller}" "${SNAPSHOT_CONTROLLER}"
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sed -i "s/namespace: kube-system/namespace: ${namespace}/g" "${temp_rbac}"
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sed -i "s/namespace: kube-system/namespace: ${namespace}/g" "${temp_snap_controller}"
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sed -i "s/canary/${SNAPSHOT_VERSION}/g" "${temp_snap_controller}"
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if [ "${operation}" == "create" ]; then
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# Argument to add/update
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ARGUMENT="--enable-volume-group-snapshots=true"
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# Check if the argument is already present and set to false
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if grep -q -E "^\s+-\s+--enable-volume-group-snapshots=false" "${temp_snap_controller}"; then
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sed -i -E "s/^\s+-\s+--enable-volume-group-snapshots=false$/ - $ARGUMENT/" "${temp_snap_controller}"
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# Check if the argument is already present and set to true
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elif grep -q -E "^\s+-\s+--enable-volume-group-snapshots=true" "${temp_snap_controller}"; then
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echo "Argument already present and matching."
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else
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# Add the argument if it's not present
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sed -i -E "/^(\s+)args:/a\ \ - $ARGUMENT" "${temp_snap_controller}"
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fi
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fi
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kubectl "${operation}" -f "${VOLUME_GROUP_SNAPSHOTCLASS}"
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kubectl "${operation}" -f "${VOLUME_GROUP_SNAPSHOT_CONTENT}"
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kubectl "${operation}" -f "${VOLUME_GROUP_SNAPSHOT}"
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kubectl "${operation}" -f "${temp_rbac}"
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kubectl "${operation}" -f "${temp_snap_controller}" -n "${namespace}"
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kubectl "${operation}" -f "${SNAPSHOTCLASS}"
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kubectl "${operation}" -f "${VOLUME_SNAPSHOT_CONTENT}"
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kubectl "${operation}" -f "${VOLUME_SNAPSHOT}"
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}
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function delete_snapshot_crd() {
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kubectl delete -f "${SNAPSHOTCLASS}" --ignore-not-found
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kubectl delete -f "${VOLUME_SNAPSHOT_CONTENT}" --ignore-not-found
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kubectl delete -f "${VOLUME_SNAPSHOT}" --ignore-not-found
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}
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case "${1:-}" in
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install)
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install_snapshot_controller "$2"
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;;
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cleanup)
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cleanup_snapshot_controller "$2"
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;;
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*)
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echo "usage:" >&2
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echo " $0 install" >&2
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echo " $0 cleanup" >&2
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;;
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esac
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