ceph-csi/scripts/minikube.sh

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#!/bin/bash -e
#Based on ideas from https://github.com/rook/rook/blob/master/tests/scripts/minikube.sh
function wait_for_ssh() {
local tries=100
while ((tries > 0)); do
if minikube ssh echo connected &>/dev/null; then
return 0
fi
tries=$((tries - 1))
sleep 0.1
done
echo ERROR: ssh did not come up >&2
exit 1
}
function copy_image_to_cluster() {
local build_image=$1
local final_image=$2
if [ -z "$(docker images -q "${build_image}")" ]; then
docker pull "${build_image}"
fi
if [[ "${VM_DRIVER}" == "none" ]]; then
docker tag "${build_image}" "${final_image}"
return
fi
docker save "${build_image}" | (eval "$(minikube docker-env --shell bash)" && docker load && docker tag "${build_image}" "${final_image}")
}
# install minikube
function install_minikube() {
if type minikube >/dev/null 2>&1; then
local version
version=$(minikube version)
read -ra version <<<"${version}"
version=${version[2]}
if [[ "${version}" != "${MINIKUBE_VERSION}" ]]; then
echo "installed minikube version ${version} is not matching requested version ${MINIKUBE_VERSION}"
exit 1
fi
echo "minikube already installed with ${version}"
return
fi
echo "Installing minikube. Version: ${MINIKUBE_VERSION}"
curl -Lo minikube https://storage.googleapis.com/minikube/releases/"${MINIKUBE_VERSION}"/minikube-linux-amd64 && chmod +x minikube && mv minikube /usr/local/bin/
}
function install_kubectl() {
# Download kubectl, which is a requirement for using minikube.
echo "Installing kubectl. Version: ${KUBE_VERSION}"
curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/"${KUBE_VERSION}"/bin/linux/amd64/kubectl && chmod +x kubectl && mv kubectl /usr/local/bin/
}
# configure minikube
MINIKUBE_VERSION=${MINIKUBE_VERSION:-"latest"}
KUBE_VERSION=${KUBE_VERSION:-"v1.14.2"}
MEMORY=${MEMORY:-"3000"}
VM_DRIVER=${VM_DRIVER:-"virtualbox"}
#configure image repo
CEPHCSI_IMAGE_REPO=${CEPHCSI_IMAGE_REPO:-"quay.io/cephcsi"}
K8S_IMAGE_REPO=${K8S_IMAGE_REPO:-"quay.io/k8scsi"}
#feature-gates for kube
K8S_FEATURE_GATES=${K8S_FEATURE_GATES:-"BlockVolume=true,CSIBlockVolume=true,VolumeSnapshotDataSource=true"}
case "${1:-}" in
up)
install_minikube
#if driver is 'none' install kubectl with KUBE_VERSION
if [[ "${VM_DRIVER}" == "none" ]]; then
mkdir -p "$HOME"/.kube "$HOME"/.minikube
install_kubectl
fi
echo "starting minikube with kubeadm bootstrapper"
minikube start --memory="${MEMORY}" -b kubeadm --kubernetes-version="${KUBE_VERSION}" --vm-driver="${VM_DRIVER}" --feature-gates="${K8S_FEATURE_GATES}"
DISK="sda1"
if [[ "${VM_DRIVER}" == "kvm2" ]]; then
# use vda1 instead of sda1 when running with the libvirt driver
DISK="vda1"
fi
# create a link so the default dataDirHostPath will work for this
# environment
if [[ "${VM_DRIVER}" != "none" ]]; then
wait_for_ssh
# shellcheck disable=SC2086
minikube ssh "sudo mkdir -p /mnt/${DISK}/${PWD}; sudo mkdir -p $(dirname $PWD); sudo ln -s /mnt/${DISK}/${PWD} $(dirname $PWD)/"
minikube ssh "sudo mkdir -p /mnt/${DISK}/var/lib/rook;sudo ln -s /mnt/${DISK}/var/lib/rook /var/lib/rook"
fi
kubectl cluster-info
;;
down)
minikube stop
;;
ssh)
echo "connecting to minikube"
minikube ssh
;;
cephcsi)
echo "copying the cephcsi image"
copy_image_to_cluster "${CEPHCSI_IMAGE_REPO}"/cephcsi:canary "${CEPHCSI_IMAGE_REPO}"/cephcsi:canary
;;
k8s-sidecar)
echo "copying the kubernetes sidecar images"
copy_image_to_cluster "${K8S_IMAGE_REPO}"/csi-attacher:v1.1.1 "${K8S_IMAGE_REPO}"/csi-attacher:v1.1.1
copy_image_to_cluster "${K8S_IMAGE_REPO}"/csi-snapshotter:v1.1.0 $"${K8S_IMAGE_REPO}"/csi-snapshotter:v1.1.0
copy_image_to_cluster "${K8S_IMAGE_REPO}"/csi-provisioner:v1.2.0 "${K8S_IMAGE_REPO}"/csi-provisioner:v1.2.0
copy_image_to_cluster "${K8S_IMAGE_REPO}"/csi-node-driver-registrar:v1.1.0 "${K8S_IMAGE_REPO}"/csi-node-driver-registrar:v1.1.0
;;
clean)
minikube delete
;;
*)
echo " $0 [command]
Available Commands:
up Starts a local kubernetes cluster and prepare disk for rook
down Stops a running local kubernetes cluster
clean Deletes a local kubernetes cluster
ssh Log into or run a command on a minikube machine with SSH
cephcsi copy built docker images to kubernetes cluster
k8s-sidecar copy kubernetes sidecar docker images to kubernetes cluster
" >&2
;;
esac