From ab727ce48f549e38884746861cdad01026abe15f Mon Sep 17 00:00:00 2001
From: Mario Alegre <mario@git.alemor.org>
Date: Thu, 4 Mar 2021 21:21:51 -0500
Subject: [PATCH] valheim should be finished hopefully

---
 valheim/Containerfile                     | 12 +++++-
 valheim/asssets/bin/maint                 | 48 ++++++++++++++++++++++
 valheim/asssets/bin/steamcmd              |  2 +
 valheim/asssets/bin/vh-backup             | 20 +++++++++
 valheim/asssets/bin/vh-install            |  2 +
 valheim/asssets/bin/vh-restore            | 49 +++++++++++++++++++++++
 valheim/asssets/bin/vh-start              | 15 +++++++
 valheim/asssets/systemd/valheim.service   | 25 ++++++++++++
 valheim/asssets/systemd/vh-backup.service | 11 +++++
 valheim/asssets/systemd/vh-backup.timer   |  8 ++++
 10 files changed, 190 insertions(+), 2 deletions(-)
 create mode 100755 valheim/asssets/bin/maint
 create mode 100644 valheim/asssets/bin/steamcmd
 create mode 100755 valheim/asssets/bin/vh-backup
 create mode 100644 valheim/asssets/bin/vh-install
 create mode 100755 valheim/asssets/bin/vh-restore
 create mode 100644 valheim/asssets/bin/vh-start
 create mode 100644 valheim/asssets/systemd/valheim.service
 create mode 100644 valheim/asssets/systemd/vh-backup.service
 create mode 100644 valheim/asssets/systemd/vh-backup.timer

diff --git a/valheim/Containerfile b/valheim/Containerfile
index 49d3ffd..d0fdbd4 100644
--- a/valheim/Containerfile
+++ b/valheim/Containerfile
@@ -22,8 +22,8 @@ ARG FILESUID=5000
 RUN apt-add-repository contrib && \
     apt-add-repository non-free && \
     apt update -y && \
-#    echo steam steam/question select "I AGREE" | sudo debconf-set-selections && \
-#    echo steam steam/license note '' | sudo debconf-set-selections && \
+#    echo steam steam/question select "I AGREE" | debconf-set-selections && \
+#    echo steam steam/license note '' | debconf-set-selections && \
     apt install -y steamcmd libsdl2-2.0-0
 
 # create valheim server user with file owner UID
@@ -39,3 +39,11 @@ COPY assets/bin/ /usr/local/bin/
 ###
 WORKDIR /home/vhadmin
 
+# install Valheim
+RUN vh-install
+
+# copy units to systemd
+COPY assets/systemd/ /etc/systemd/system/
+
+# enable systemd units
+RUN systemctl enable valheim.service
diff --git a/valheim/asssets/bin/maint b/valheim/asssets/bin/maint
new file mode 100755
index 0000000..c66b27f
--- /dev/null
+++ b/valheim/asssets/bin/maint
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+rm_ife() {
+    if [[ -e "$1" ]]; then
+        rm -r "$1"
+    fi
+}
+
+# Check if server is started
+status=$(systemctl show valheim -p ActiveState --value)
+if [[ $status != active ]]; then
+    echo "valheim.service is inactive. Exiting."
+    exit 1
+fi
+
+# get time
+hour=$(date +%H)
+day=$(date +%d)
+month=$(date +%m)
+year=$(date +%Y)
+
+# hour at which to do daily tasks
+dailyhour=4
+
+# cd to backup dir
+cd /vol/data/backup
+
+if [[ 10#$hour -eq $dailyhour ]]; then
+    systemctl stop valheim
+    sleep 1
+fi
+    
+# hourly backup
+rm_ife worlds-hourly-$hour
+vh-backup worlds-hourly-$hour
+
+if [[ 10#$hour -eq $dailyhour ]]; then
+    systemctl start valheim
+    
+    # save daily and longterm backups
+    rm_ife worlds-daily-$day.zip
+    zip -rT worlds-daily-$day.zip worlds-hourly-$hour
+    chown "$(stat -c '%U:%G' worlds-hourly-$hour)" worlds-daily-$day.zip
+    touch -d "$(stat -c '%y' worlds-hourly-$hour)" worlds-daily-$day.zip
+    if [[ 10#$day -eq 1 ]]; then
+	cp -a worlds-daily-$day.zip worlds-$year-$month-$day.zip
+    fi
+fi
diff --git a/valheim/asssets/bin/steamcmd b/valheim/asssets/bin/steamcmd
new file mode 100644
index 0000000..2b18dd3
--- /dev/null
+++ b/valheim/asssets/bin/steamcmd
@@ -0,0 +1,2 @@
+#!/bin/sh
+sudo -u vhadmin /usr/games/steamcmd "$@"
diff --git a/valheim/asssets/bin/vh-backup b/valheim/asssets/bin/vh-backup
new file mode 100755
index 0000000..8e19255
--- /dev/null
+++ b/valheim/asssets/bin/vh-backup
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+worlds_dir="/home/vhadmin/.config/unity3d/IronGate/Valheim/worlds"
+
+if [[ -z $1 ]]; then
+    echo "Usage: $0 backup_dir"
+    exit 2
+fi
+backup_dir="$1"
+
+# Check if backup dir already exists
+if [[ -e "$backup_dir" ]]; then
+    echo "Error: backup dir already exists. Delete directory before proceeding or use another directory name."
+    exit 1
+fi
+echo "Creating directory \"$backup_dir\"..."
+mkdir -p "$backup_dir"
+
+# copy files
+rsync -aSH $worlds_dir/ "$backup_dir/"
diff --git a/valheim/asssets/bin/vh-install b/valheim/asssets/bin/vh-install
new file mode 100644
index 0000000..1ce8ef3
--- /dev/null
+++ b/valheim/asssets/bin/vh-install
@@ -0,0 +1,2 @@
+#!/bin/bash
+steamcmd +login anonymous +force_install_dir /home/vhadmin/ +app_update 896660 validate +exit
\ No newline at end of file
diff --git a/valheim/asssets/bin/vh-restore b/valheim/asssets/bin/vh-restore
new file mode 100755
index 0000000..99e7d21
--- /dev/null
+++ b/valheim/asssets/bin/vh-restore
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+worlds_dir="/home/vhadmin/.config/unity3d/IronGate/Valheim/worlds"
+
+if [[ -z $1 ]]; then
+    echo "Usage: $0 backup_dir"
+    exit 2
+fi
+backup_dir="$1"
+
+# Check if directory exists
+if [[ ! -d "$backup_dir" ]]; then
+    echo "Error: directory \"$backup_dir\" not found."
+    exit 1
+fi
+
+# Check if server is active
+status=$(systemctl show valheim -p ActiveState --value)
+# shutdown server if it is active
+if [[ $status == active ]]; then
+    echo "Server is active: executing shutdown..."
+    systemctl stop valheim
+    sleep 1
+fi
+
+worlds_dir=/home/mcadmin/worlds
+# if worlds dir is non-empty, save it as worlds.bak
+if [[ ! -z $(ls $worlds_dir) ]]; then
+    echo "Worlds directory is nonempty: saving backup as $worlds_dir.bak"
+    if [[ -e $worlds_dir.bak ]]; then
+        rm -r $worlds_dir.bak
+    fi
+    mv $worlds_dir $worlds_dir.bak
+    mkdir $worlds_dir
+    chown $(stat -c %U:%G $worlds_dir.bak) $worlds_dir
+fi
+
+# copy backup to worlds_dir
+echo "Copying worlds from backup directory..."
+rsync -aSH "$backup_dir/" $worlds_dir/
+
+# start server back up if it was active
+if [[ $status == active ]]; then
+    echo "Server was active: starting server again..."
+    systemctl start valheim
+    sleep 5
+fi
+
+echo "Done!"
diff --git a/valheim/asssets/bin/vh-start b/valheim/asssets/bin/vh-start
new file mode 100644
index 0000000..f0eca06
--- /dev/null
+++ b/valheim/asssets/bin/vh-start
@@ -0,0 +1,15 @@
+#!/bin/bash
+export templdpath=$LD_LIBRARY_PATH
+export LD_LIBRARY_PATH=./linux64:$LD_LIBRARY_PATH
+export SteamAppId=892970
+
+echo "Starting server"
+
+# Load Config
+. /vol/data/config
+
+# NOTE: Minimum password length is 5 characters & Password cant be in the server name.
+# NOTE: You need to make sure the ports 2456-2458 is being forwarded to your server through your local router & firewall.
+./valheim_server.x86_64 -name "$vh_name" -port 2456 -world "$vh_world" -password "$vh_pass"
+
+export LD_LIBRARY_PATH=$templdpath
diff --git a/valheim/asssets/systemd/valheim.service b/valheim/asssets/systemd/valheim.service
new file mode 100644
index 0000000..210e410
--- /dev/null
+++ b/valheim/asssets/systemd/valheim.service
@@ -0,0 +1,25 @@
+[Unit]
+# Implicit needs are explicitly needed to survive shutdown till stop finishes
+After=network.target
+Description=Valheim server
+
+[Service]
+ExecStart=/usr/local/bin/vh-start
+ExecReload=/bin/kill -s HUP $MAINPID
+KillSignal=SIGINT
+User=vhadmin
+WorkingDirectory=/home/vhadmin
+Restart=on-failure
+StandardOutput=journal
+StandardError=journal
+Type=simple
+# security
+PrivateUsers=true
+ProtectHome=true
+ProtectControlGroups=true
+ProtectKernelModules=true
+ProtectKernelTunables=true
+ProtectSystem=full
+
+[Install]
+WantedBy=multi-user.target
diff --git a/valheim/asssets/systemd/vh-backup.service b/valheim/asssets/systemd/vh-backup.service
new file mode 100644
index 0000000..9cc7368
--- /dev/null
+++ b/valheim/asssets/systemd/vh-backup.service
@@ -0,0 +1,11 @@
+[Unit]
+After=valheim.service
+Description=Valheim Server Auto-backup
+Requisite=valheim.service
+
+[Service]
+ExecStart=/usr/local/bin/maint
+StandardOutput=journal
+StandardError=journal
+KillMode=none
+Type=oneshot
diff --git a/valheim/asssets/systemd/vh-backup.timer b/valheim/asssets/systemd/vh-backup.timer
new file mode 100644
index 0000000..cbf037d
--- /dev/null
+++ b/valheim/asssets/systemd/vh-backup.timer
@@ -0,0 +1,8 @@
+[Unit]
+Description=Backup Valheim Server every hour
+
+[Timer]
+OnCalendar=0/1:00:00
+
+[Install]
+WantedBy=timers.target