Create updateallcontainers.sh

Add bash script to update all containers

updateallcontainers.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+# This script updates all running Proxmox containers, skipping specified excluded containers, and generates a separate log file for each container.
+# The script first updates the Proxmox host system, then iterates through each container, updates the container, and reboots it if necessary.
+# Each container's log file is stored in $log_path and the main script log file is named container-upgrade-main.log.
+
+# list of container ids we need to iterate through
+containers=$(pct list | tail -n +2 | cut -f1 -d' ')
+
+log_path="/root/scripts"
+
+# array of container ids to exclude from updates
+exclude_containers=("106")
+
+#### CODE BELOW #########
+container_main_log_file="${log_path}/container-upgrade-main.log"
+echo "[Info] Updating proxmox containers at $(date)" 
+echo "[Info] Updating proxmox containers at $(date)" >> $container_main_log_file
+
+#function to update individual containers
+function update_container() {
+  container=$1
+  # log file for individual container
+  container_log_file="${log_path}/container-upgrade-$container.log"
+  
+  # log start of update
+  echo "[Info] Starting update for container $container at $(date)" >> $container_log_file
+  
+  # perform the update
+  /usr/sbin/pct exec $container -- bash -c "apt update && apt upgrade -y && apt autoremove -y && reboot" >> $container_log_file 2>&1
+  
+  # log completion of update
+  echo "[Info] Completed update for $container at $(date)" >> $container_log_file
+  echo "--------------------------------------------------------------------------------------------" >> $container_log_file
+}
+
+for container in $containers; do
+  # skip excluded containers
+  if [[ " ${exclude_containers[@]} " =~ " ${container} " ]]; then
+    echo "[Info] Skipping excluded container, $container"
+    echo "[Info] Skipping excluded container, $container" >> $container_main_log_file
+    continue
+  fi
+  
+  status=$(/usr/sbin/pct status $container)
+  if [ "$status" == "status: stopped" ]; then
+    echo "[Info] Skipping offline container, $container"
+    echo "[Info] Skipping offline container, $container" >> $container_main_log_file
+  elif [ "$status" == "status: running" ]; then
+    update_container $container
+  fi
+done; wait
+
+# log completion of all updates
+echo "[Info] Updating proxmox containers completed at $(date)" 
+echo "[Info] Updating proxmox containers completed at $(date)" >> $container_main_log_file
+echo "--------------------------------------------------------------------------------------------" >> $container_main_log_file