readd scripts

scripts/backup.sh

@@ -0,0 +1,83 @@
+#! /bin/bash
+
+cd "$(dirname "$0")"
+
+NUMBER_OF_BACKUPS_TO_KEEP=5
+
+if [ $# -lt 2 ]; then
+    echo "Usage: $0 source_dir target_dir"
+    exit 1
+fi
+
+SILENT=false
+if [ $# -lt 3 ]; then
+    SILENT=$3
+fi
+
+source_dir=$1
+target_dir=$2
+
+SCREEN_SESSION=$(echo ${STY#*.} | cut -d. -f1 | cut -d- -f3)
+backup_list="$source_dir/backuplist.txt"
+
+save_off () {
+    COMMAND="save-off" make -C "$source_dir" command
+}
+save_on () {
+    COMMAND="save-on" make -C "$source_dir" command
+}
+post_status () {
+    if [ -v DEDI_LOGS_CHANNEL_WEBHOOK ]; then
+        curl -H "Content-Type: application/json" -X POST -d "{\"content\": \"**[$SCREEN_SESSION]** $1\"}" $DEDI_LOGS_CHANNEL_WEBHOOK
+    else
+        echo "$1"
+    fi
+}
+
+save_off 
+
+cd $target_dir
+ls -1t | tail -n +$NUMBER_OF_BACKUPS_TO_KEEP | xargs rm
+cd "$(dirname "$0")/.."
+
+zipname="$(date +"%Y-%m-%d_%H-%M").zip"
+
+backup_list=$(while read -r line; do echo "$line"; ((num_files++)); done < "$backup_list")
+backup_list=$(echo "$backup_list" | tr " " "\n")
+backup_output_file="$target_dir/$zipname"
+
+post_status "Creating backup $zipname"
+
+num_files=$(echo "$backup_list" | wc -l)
+
+fail=false
+i=0
+echo "$backup_list" | while read -r line; do
+    post_status "Adding \`$line\` to backup... ($((++i))/$num_files)"
+    l="$source_dir/$line"
+    if zip -ur "$backup_output_file" "$l"; then
+        continue
+    else
+        excode=$?
+        if [ $excode -eq 9 ]; then
+            post_status ":warning: Backup interrupted."
+            fail=true
+            break
+        elif [ $excode -eq 12 ]; then
+            post_status ":warning: Backup failed: \`$line\` not found"
+            fail=true
+            break
+        else
+            post_status ":warning: Failed to add \`$line\` to backup"
+        fi
+    fi
+done
+
+post_status "Backup complete."
+save_on
+
+if [ "$fail" = true ]; then
+    exit 1
+fi
+
+exit 0

scripts/make_minecraft_servers.sh

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+#! /bin/bash
+
+# This script takes a Make target as an argument, and then
+# executes it for all Minecraft servers.
+#
+# For example, `bash MAKE_MINECRAFT_SERVERS.sh backup` would
+# execute `make backup` for all of the Minecraft servers.
+
+if [ $# -lt 1 ]; then
+    echo "Usage: $0 make_target [command]"
+    exit 1
+fi
+
+if [ -f ../.config/.env ]
+then
+  export $(cat ../.config/.env | xargs)
+fi
+
+cd "$(dirname "$0")"
+cd ../minecraft/servers
+
+for server in $MINECRAFT_SERVERS; do
+    cd $server
+    if [ "$1" == "command" ]; then
+        COMMAND=$2 make $1
+    else
+        make $1
+    fi
+    cd ..
+done
+exit 0

scripts/restart_minecraft_servers.sh

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+#! /bin/bash
+
+cd "$(dirname "$0")"
+
+bash ./make_minecraft_servers.sh command "say Automatic restart in 5 minutes"
+bash ./make_minecraft_servers.sh command "discordsrv bcast Automatic server restart in 5 minutes"
+
+sleep 4m
+
+bash ./make_minecraft_servers.sh command "say Automatic restart in 1 minute"
+
+sleep 1m
+
+bash ./make_minecraft_servers.sh command "say Automatic restart now"
+bash ./make_minecraft_servers.sh command "stop"
+
+exit 0

scripts/server_status_to_webhook.sh

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+#! /bin/bash
+IFS=$' \t\r\n'
+
+cd "$(dirname "$0")"
+
+if [ -f ../.config/.env-minecraft ]
+then
+  export $(cat ../.config/.env-minecraft | xargs)
+fi
+
+# same as BACKUP.sh
+post_status () {
+  msg=$(echo $1 | sed -r 's/^.{2}//' | sed 's/.$//')
+  curl -H "Content-Type: application/json" -X POST -d "{\"content\": \"$msg\"}" "$DEDI_LOGS_CHANNEL_WEBHOOK"
+}
+
+# https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
+mem=$(free -m | awk 'NR==2{printf "%s/%sMB (%.2f%%)\n", $3,$2,$3*100/$2 }')
+disk=$(df -h | awk '$NF=="/"{printf "%d/%dGB (%s)\n", $3,$2,$5}')
+screens=$(screen -ls | grep Detached | awk '{print "/ " $1 }')
+
+server_status="$(
+  echo '**Memory:** `'$mem'`, **Disk:** `'$disk'`'
+  echo '> **Active screens:** `'$screens'`'
+)"
+
+echo "mem: ${mem}, disk: ${disk}, screens: ${screens}"
+post_status "${server_status@Q}"