add flexibility to backup messages

Dockerfile

@@ -123,6 +123,21 @@ ENV HOME=/home/steam \
     DISCORD_PLAYER_LEAVE_MESSAGE="\${player_name} has left Palworld." \
     DISCORD_PLAYER_LEAVE_MESSAGE_URL= \
     DISCORD_PLAYER_LEAVE_MESSAGE_ENABLED=true \
+    DISCORD_PRE_BACKUP_MESSAGE="Creating backup..." \
+    DISCORD_PRE_BACKUP_MESSAGE_URL= \
+    DISCORD_PRE_BACKUP_MESSAGE_ENABLED=true \
+    DISCORD_POST_BACKUP_MESSAGE="Backup created at \${FILE_PATH}" \
+    DISCORD_POST_BACKUP_MESSAGE_URL= \
+    DISCORD_POST_BACKUP_MESSAGE_ENABLED=true \
+    DISCORD_PRE_BACKUP_DELETE_MESSAGE="Removing backups older than \${OLD_BACKUP_DAYS} days" \
+    DISCORD_PRE_BACKUP_DELETE_URL= \
+    DISCORD_PRE_BACKUP_DELETE_ENABLED=true \
+    DISCORD_POST_BACKUP_DELETE_MESSAGE="Removed backups older than \${OLD_BACKUP_DAYS} days" \
+    DISCORD_POST_BACKUP_DELETE_URL= \
+    DISCORD_POST_BACKUP_DELETE_ENABLED=true \
+    DISCORD_ERR_BACKUP_DELETE_MESSAGE="Unable to delete old backups, OLD_BACKUP_DAYS is not an integer. OLD_BACKUP_DAYS=\${OLD_BACKUP_DAYS}" \
+    DISCORD_ERR_BACKUP_DELETE_URL= \
+    DISCORD_ERR_BACKUP_DELETE_ENABLED=true \
     ENABLE_PLAYER_LOGGING=true \
     PLAYER_LOGGING_POLL_PERIOD=5 \
     ARM_COMPATIBILITY_MODE=false \

scripts/backup.sh

@@ -2,7 +2,7 @@
 # shellcheck source=scripts/helper_functions.sh
 source "/home/steam/server/helper_functions.sh"
 
-DiscordMessage "Backup" "Creating backup..." "in-progress"
+DiscordMessage "Backup" "${DISCORD_PRE_BACKUP_MESSAGE}" "in-progress" "${DISCORD_PRE_BACKUP_MESSAGE_ENABLED}" "${DISCORD_PRE_BACKUP_MESSAGE_URL}"
 if [ "${RCON_ENABLED,,}" = true ]; then
     save_server
 fi
@@ -18,7 +18,7 @@ if [ "$(id -u)" -eq 0 ]; then
     chown steam:steam "$FILE_PATH"
 fi
 LogInfo "Backup created at ${FILE_PATH}"
-DiscordMessage "Backup" "Backup created at ${FILE_PATH}" "success"
+DiscordMessage "Backup" "${DISCORD_POST_BACKUP_MESSAGE//\$\{FILE_PATH\}/${FILE_PATH}}" "success" "${DISCORD_POST_BACKUP_MESSAGE_ENABLED}" "${DISCORD_POST_BACKUP_MESSAGE_URL}"
 
 if [ "${DELETE_OLD_BACKUPS,,}" != true ]; then
   exit 0
@@ -33,11 +33,11 @@ fi
 if [[ "${OLD_BACKUP_DAYS}" =~ ^[0-9]+$ ]]; then
     LogAction "Removing Old Backups"
     LogInfo "Removing backups older than ${OLD_BACKUP_DAYS} days"
-    DiscordMessage "Backup" "Removing backups older than ${OLD_BACKUP_DAYS} days..." "in-progress"
+    DiscordMessage "Backup" "${DISCORD_PRE_BACKUP_DELETE_MESSAGE//\$\{FILE_PATH\}/${FILE_PATH}}" "in-progress" "${DISCORD_PRE_BACKUP_DELETE_MESSAGE_ENABLED}" "${DISCORD_PRE_BACKUP_DELETE_MESSAGE_URL}"
     find /palworld/backups/ -mindepth 1 -maxdepth 1 -mtime "+${OLD_BACKUP_DAYS}" -type f -name 'palworld-save-*.tar.gz' -print -delete
-    DiscordMessage "Backup" "Removed backups older than ${OLD_BACKUP_DAYS} days" "success"
+    DiscordMessage "Backup" "${DISCORD_POST_BACKUP_DELETE_MESSAGE//\$\{FILE_PATH\}/${FILE_PATH}}" "success" "${DISCORD_POST_BACKUP_DELETE_MESSAGE_ENABLED}" "${DISCORD_POST_BACKUP_DELETE_MESSAGE_URL}"
     exit 0
 fi
 
 LogError "Unable to delete old backups, OLD_BACKUP_DAYS is not an integer. OLD_BACKUP_DAYS=${OLD_BACKUP_DAYS}"
-DiscordMessage "Backup" "Unable to delete old backups, OLD_BACKUP_DAYS is not an integer. OLD_BACKUP_DAYS=${OLD_BACKUP_DAYS}" "failure"
+DiscordMessage "Backup" "${DISCORD_ERR_BACKUP_DELETE_MESSAGE//\$\{OLD_BACKUP_DAYS\}/${OLD_BACKUP_DAYS}}}" "failure" "${DISCORD_ERR_BACKUP_DELETE_MESSAGE_ENABLED}" "${DISCORD_ERR_BACKUP_DELETE_MESSAGE_URL}"