Prevent reboot if there are players online

.env.example

@@ -23,6 +23,7 @@ AUTO_UPDATE_ENABLED=false
 AUTO_UPDATE_CRON_EXPRESSION=0 * * * *
 AUTO_UPDATE_WARN_MINUTES=30
 AUTO_REBOOT_ENABLED=false
+AUTO_REBOOT_EVEN_IF_PLAYERS_ONLINE=false
 AUTO_REBOOT_WARN_MINUTES=5
 AUTO_REBOOT_CRON_EXPRESSION=0 0 * * *
 

Dockerfile

@@ -66,6 +66,7 @@ ENV PORT= \
     AUTO_UPDATE_WARN_MINUTES=30 \
     AUTO_REBOOT_ENABLED=false \
     AUTO_REBOOT_WARN_MINUTES=5 \
+    AUTO_REBOOT_EVEN_IF_PLAYERS_ONLINE=false \
     AUTO_REBOOT_CRON_EXPRESSION="0 0 * * *" \
     DISCORD_WEBHOOK_URL= \
     DISCORD_CONNECT_TIMEOUT=30 \

Dockerfile.arm64

@@ -86,6 +86,7 @@ ENV PORT= \
     AUTO_UPDATE_WARN_MINUTES=30 \
     AUTO_REBOOT_ENABLED=false \
     AUTO_REBOOT_WARN_MINUTES=5 \
+    AUTO_REBOOT_EVEN_IF_PLAYERS_ONLINE=false \
     AUTO_REBOOT_CRON_EXPRESSION="0 0 * * *" \
     DISCORD_WEBHOOK_URL= \
     DISCORD_CONNECT_TIMEOUT=30 \

README.md

@@ -202,6 +202,7 @@ It is highly recommended you set the following environment values before startin
 | AUTO_REBOOT_CRON_EXPRESSION  | Setting affects frequency of automatic updates. | 0 0 \* \* \* | Needs a Cron-Expression - See [Configuring Automatic Backups with Cron](#configuring-automatic-reboots-with-cron) |
 | AUTO_REBOOT_ENABLED | Enables automatic reboots | false | true/false |
 | AUTO_REBOOT_WARN_MINUTES | How long to wait to reboot the server, after the player were informed. | 5 | !0 |
+| AUTO_REBOOT_EVEN_IF_PLAYERS_ONLINE | Restart the Server even if there are players online. | false | true/false |
 | DISCORD_WEBHOOK_URL | Discord webhook url found after creating a webhook on a discord server | | `https://discord.com/api/webhooks/<webhook_id>` |
 | DISCORD_CONNECT_TIMEOUT | Discord command initial connection timeout | 30 | !0 |
 | DISCORD_MAX_TIMEOUT | Discord total hook timeout | 30 | !0 |

scripts/auto_reboot.sh

@@ -1,6 +1,15 @@
 #!/bin/bash
 
 if [ "${RCON_ENABLED,,}" = true ]; then
+    if [ "${AUTO_REBOOT_EVEN_IF_PLAYERS_ONLINE,,}" != true ]; then
+      players_count=$(rcon-cli -c /home/steam/server/rcon.yaml showplayers)
+
+      if [ "$(echo -n "$players_count" | wc -l)" -gt 0 ]; then
+          echo "There are ${players_count} players online. Skipping auto reboot."
+          exit 1
+      fi
+    fi
+
     if [ -z "${AUTO_REBOOT_WARN_MINUTES}" ]; then
         echo "Unable to auto reboot, AUTO_REBOOT_WARN_MINUTES is empty."
     elif [[ "${AUTO_REBOOT_WARN_MINUTES}" =~ ^[0-9]+$ ]]; then