burble/nomad-driver-containerd
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Override containerd with warning.

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This commit is contained in:
Shishir Mahajan 2020-07-10 10:12:11 -07:00
parent 70a2880ebc
commit e34676ed8a
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GPG Key ID: D41782E7688DEC4A
1 changed files with 16 additions and 8 deletions
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24
setup.sh
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@ -3,7 +3,6 @@
set -euo pipefail
export CONTAINERD_VERSION=1.3.4
export CLEANUP_CONTAINERD=false
main() {
echo "INFO: Welcome! nomad-driver-containerd setup."
@ -17,13 +16,22 @@ main() {
# Save present working directory (pwd).
curr_dir=$(echo $PWD)
# Skip installing containerd if already present.
if ! systemctl -q is-active "containerd.service"; then
CLEANUP_CONTAINERD=true
setup_containerd
else
echo "INFO: Containerd detected on the system. Skip installing containerd."
if systemctl -q is-active "containerd.service"; then
echo "WARN: Containerd detected on the system."
read -p "INFO: Backup existing containerd and deploy containerd-${CONTAINERD_VERSION} (Y/N)? Press Y to continue. " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "INFO: Aborting setup..."
exit 0
fi
systemctl stop containerd
if [ -f "/lib/systemd/system/containerd.service" ]; then
echo "INFO: Backup containerd systemd unit /lib/systemd/system/containerd.service."
mv /lib/systemd/system/containerd.service /lib/systemd/system/containerd.service.bkp
echo "WARN: Backup file saved at: /lib/systemd/system/containerd.service.bkp"
fi
fi
setup_containerd
read -p "INFO: Setup nomad server + nomad-driver-containerd (Y/N)? Press Y to continue. " -n 1 -r
echo
@ -55,7 +63,7 @@ main() {
cleanup() {
echo "INFO: Starting cleanup."
pushd $curr_dir >/dev/null 2>&1
if [ "$CLEANUP_CONTAINERD" = true ]; then
if [ -f "/lib/systemd/system/containerd.service.bkp" ]; then
if systemctl -q is-active "containerd.service"; then
echo "INFO: Stopping containerd."
systemctl stop containerd.service