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kata-deploy-cc: Simplify the script

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As containerd is the only supported container engine, let's simplify the
script and, at the same time, make it clear that other container engines
are not supported yet.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2022-09-05 14:17:44 +02:00
parent 1f610ea5cc
commit f684d00d50
1 changed files with 27 additions and 45 deletions
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72
tools/packaging/kata-deploy-cc/scripts/kata-deploy.sh
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@ -204,11 +204,7 @@ function remove_artifacts() {
function cleanup_cri_runtime() {
cleanup_different_shims_base
case $1 in
containerd | k3s | k3s-agent | rke2-agent | rke2-server)
cleanup_containerd
;;
esac
cleanup_containerd
}
@ -223,9 +219,7 @@ function reset_runtime() {
kubectl label node "$NODE_NAME" katacontainers.io/kata-runtime-
systemctl daemon-reload
systemctl restart "$1"
if [ "$1" == "containerd" ]; then
systemctl restart kubelet
fi
systemctl restart kubelet
}
function main() {
@ -236,21 +230,13 @@ function main() {
fi
runtime=$(get_container_runtime)
if [ "$runtime" != "containerd" ]; then
die "$runtime is not supported for now"
fi
if [ "$runtime" == "k3s" ] || [ "$runtime" == "k3s-agent" ] || [ "$runtime" == "rke2-agent" ] || [ "$runtime" == "rke2-server" ]; then
containerd_conf_tmpl_file="${containerd_conf_file}.tmpl"
if [ ! -f "$containerd_conf_tmpl_file" ]; then
cp "$containerd_conf_file" "$containerd_conf_tmpl_file"
fi
containerd_conf_file="${containerd_conf_tmpl_file}"
containerd_conf_file_backup="${containerd_conf_file}.bak"
elif [ "$runtime" == "containerd" ]; then
# runtime == containerd
if [ ! -f "$containerd_conf_file" ] && [ -d $(dirname "$containerd_conf_file") ] && \
[ -x $(command -v containerd) ]; then
containerd config default > "$containerd_conf_file"
fi
if [ ! -f "$containerd_conf_file" ] && [ -d $(dirname "$containerd_conf_file") ] && \
[ -x $(command -v containerd) ]; then
containerd config default > "$containerd_conf_file"
fi
action=${1:-}
@ -259,29 +245,25 @@ function main() {
die "invalid arguments"
fi
# only install / remove / update if we are dealing with containerd
if [[ "$runtime" =~ ^(containerd|k3s|k3s-agent|rke2-agent|rke2-server)$ ]]; then
case "$action" in
install)
install_artifacts
configure_cri_runtime "$runtime"
kubectl label node "$NODE_NAME" --overwrite katacontainers.io/kata-runtime=true
;;
cleanup)
cleanup_cri_runtime "$runtime"
kubectl label node "$NODE_NAME" --overwrite katacontainers.io/kata-runtime=cleanup
remove_artifacts
;;
reset)
reset_runtime $runtime
;;
*)
echo invalid arguments
print_usage
;;
esac
fi
case "$action" in
install)
install_artifacts
configure_cri_runtime "$runtime"
kubectl label node "$NODE_NAME" --overwrite katacontainers.io/kata-runtime=true
;;
cleanup)
cleanup_cri_runtime "$runtime"
kubectl label node "$NODE_NAME" --overwrite katacontainers.io/kata-runtime=cleanup
remove_artifacts
;;
reset)
reset_runtime $runtime
;;
*)
echo invalid arguments
print_usage
;;
esac
#It is assumed this script will be called as a daemonset. As a result, do
# not return, otherwise the daemon will restart and rexecute the script