From bf62bfda98dbdee901489956326da4fe2c086223 Mon Sep 17 00:00:00 2001
From: Alexandre CATTEAU <alexandre.catteau@gmail.com>
Date: Thu, 18 Aug 2022 15:41:55 +0200
Subject: [PATCH] Set Docker upgrade process as optional

---
 README.md               |  3 ++-
 install.sh              | 26 +++++++++++++++++---------
 variables.conf.template |  1 +
 3 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index 44ae67e..3c2ab8b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Containers management
 
-These scripts and Systemd units manage the daily snapshoting of our Nspawn containers, and update of Docker containers.
+These scripts and Systemd units manage the daily snapshoting of our Nspawn containers, and (optionally) update of Docker
+containers.
 
 ### Introduction
 All running Nspawn containers are stopped, snapshoted (using Btrfs subvolumes) and restarted
diff --git a/install.sh b/install.sh
index 26ee2d0..4578777 100755
--- a/install.sh
+++ b/install.sh
@@ -16,19 +16,23 @@ if [[ $user != 'root' ]]; then
   sudo cp systemd-templates/conts-snap.service /etc/systemd/system/
   sudo sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/conts-snap.service
   sudo cp systemd-templates/conts-snap.timer /etc/systemd/system/
-  sudo cp systemd-templates/docker-upgrade.service /etc/systemd/system/
-  sudo sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/docker-upgrade.service
-  sudo cp systemd-templates/docker-upgrade.timer /etc/systemd/system/
   sudo cp systemd-templates/machines-start.timer /etc/systemd/system/
+  if [ $docker -eq 1 ]; then
+    sudo cp systemd-templates/docker-upgrade.service /etc/systemd/system/
+    sudo sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/docker-upgrade.service
+    sudo cp systemd-templates/docker-upgrade.timer /etc/systemd/system/
+  fi
 else
   cp systemd-templates/cont-snap@.service /etc/systemd/system/
   cp systemd-templates/conts-snap.service /etc/systemd/system/
   sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/conts-snap.service
   cp systemd-templates/conts-snap.timer /etc/systemd/system/
-  cp systemd-templates/docker-upgrade.service /etc/systemd/system/
-  sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/docker-upgrade.service
-  cp systemd-templates/docker-upgrade.timer /etc/systemd/system/
   cp systemd-templates/machines-start.timer /etc/systemd/system/
+  if [ $docker -eq 1 ]; then
+    cp systemd-templates/docker-upgrade.service /etc/systemd/system/
+    sed -i -e "s:PH_DIRECTORY:$(pwd):g" /etc/systemd/system/docker-upgrade.service
+    cp systemd-templates/docker-upgrade.timer /etc/systemd/system/
+  fi
 fi
 echo "Reloading Systemd..."
 if [[ $user != 'root' ]]; then
@@ -36,13 +40,17 @@ if [[ $user != 'root' ]]; then
 else
   systemctl daemon-reload
 fi
-echo "Enabling timer (not starting it, either do it manually or reboot)..."
+echo "Enabling timer(s) (not starting it, either do it manually or reboot)..."
 if [[ $user != 'root' ]]; then
   sudo systemctl enable conts-snap.timer
-  sudo systemctl enable docker-upgrade.timer
+  if [ $docker -eq 1 ]; then
+    sudo systemctl enable docker-upgrade.timer
+  fi
 else
   systemctl enable conts-snap.timer
-  systemctl enable docker-upgrade.timer
+  if [ $docker -eq 1 ]; then
+    systemctl enable docker-upgrade.timer
+  fi
 fi
 
 echo "Finished install. Exiting..."
diff --git a/variables.conf.template b/variables.conf.template
index 17962ef..e86e10a 100644
--- a/variables.conf.template
+++ b/variables.conf.template
@@ -3,3 +3,4 @@
 # Copy this file as variables.conf, with the correct values
 
 containers_dir="" # Path to containers subvolumes main directory
+docker=0 # Boolean (0 or 1); Set to 1 if Docker is running on the server