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ci: add support for VM_DRIVER=podman to scripts/minikube.sh

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When running on AWE EC2 virtual-machines, we'll use Podman instead of
installing a VM. The "none" driver might work as well, but it requires
additional dependencies to be installed, which may change over time with
new minikube or Kubernetes releases. Hopefully the Podman driver is less
affected with changes in dependencies.

Depends-on: #3419
Closes: #3415
Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos 2022-10-07 17:50:27 +02:00 committed by mergify[bot]
parent ca12592d5c
commit 0cba72485c
1 changed files with 38 additions and 3 deletions
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41
scripts/minikube.sh
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@ -22,7 +22,7 @@ function copy_image_to_cluster() {
if [ -z "$(${CONTAINER_CMD} images -q "${build_image}")" ]; then
${CONTAINER_CMD} pull "${build_image}"
fi
if [[ "${VM_DRIVER}" == "none" ]]; then
if [[ "${VM_DRIVER}" == "none" ]] || [[ "${VM_DRIVER}" == "podman" ]]; then
${CONTAINER_CMD} tag "${build_image}" "${final_image}"
return
fi
@ -139,6 +139,36 @@ function validate_sidecar() {
done
}
# install_podman_wrapper creates /usr/bin/podman.wrapper which adds /sys
# filesystem mount points when a privileged container is started. This makes it
# possible to map RBD devices in the container that minikube creates when
# VM_DRIVER=podman is used.
function install_podman_wrapper() {
if [[ -e /usr/bin/podman.wrapper ]]
then
return
fi
# disabled single quoted check, the script should be created as is
# shellcheck disable=SC2016
echo '#!/bin/sh
if [[ "${1}" = run ]]
then
if (echo "${@}" | grep -q privileged)
then
shift
exec /usr/bin/podman.real run -v /sys:/sys:rw -v /dev:/dev:rw --systemd=true "${@}"
fi
fi
exec /usr/bin/podman.real "${@}"
' > /usr/bin/podman.wrapper
chmod +x /usr/bin/podman.wrapper
mv /usr/bin/podman /usr/bin/podman.real
ln -s podman.wrapper /usr/bin/podman
}
# Storage providers and the default storage class is not needed for Ceph-CSI
# testing. In order to reduce resources and potential conflicts between storage
# plugins, disable them.
@ -185,7 +215,7 @@ K8S_FEATURE_GATES=${K8S_FEATURE_GATES:-""}
# kubelet.resolv-conf needs to point to a file, not a symlink
# the default minikube VM has /etc/resolv.conf -> /run/systemd/resolve/resolv.conf
RESOLV_CONF='/run/systemd/resolve/resolv.conf'
if [[ "${VM_DRIVER}" == "none" ]] && [[ ! -e "${RESOLV_CONF}" ]]; then
if { [[ "${VM_DRIVER}" == "none" ]] || [[ "${VM_DRIVER}" == "podman" ]]; } && [[ ! -e "${RESOLV_CONF}" ]]; then
# in case /run/systemd/resolve/resolv.conf does not exist, use the
# standard /etc/resolv.conf (with symlink resolved)
RESOLV_CONF="$(readlink -f /etc/resolv.conf)"
@ -216,6 +246,8 @@ up)
if [[ "${VM_DRIVER}" == "none" ]]; then
mkdir -p "$HOME"/.kube "$HOME"/.minikube
install_kubectl
elif [[ "${VM_DRIVER}" == "podman" ]]; then
install_podman_wrapper
fi
disable_storage_addons
@ -234,11 +266,14 @@ up)
# create a link so the default dataDirHostPath will work for this
# environment
if [[ "${VM_DRIVER}" != "none" ]]; then
if [[ "${VM_DRIVER}" != "none" ]] && [[ "${VM_DRIVER}" != "podman" ]]; then
wait_for_ssh
# shellcheck disable=SC2086
${minikube} ssh "sudo mkdir -p /mnt/${DISK}/var/lib/rook;sudo ln -s /mnt/${DISK}/var/lib/rook /var/lib/rook"
fi
if [[ "${VM_DRIVER}" = "podman" ]]; then
${minikube} ssh "sudo mount -oremount,rw /sys"
fi
${minikube} kubectl -- cluster-info
;;
down)