From 40c5f5bc263bfbaf23396d257873f62c2c718d2f Mon Sep 17 00:00:00 2001
From: split <split@split.pet>
Date: Tue, 2 Jul 2024 22:13:03 -0700
Subject: [PATCH] Initial commit

---
 README.md         |  2 ++
 backup/Crontab    |  1 +
 backup/Dockerfile | 10 ++++++++++
 backup/backup.sh  | 11 +++++++++++
 backup/init.sh    | 33 +++++++++++++++++++++++++++++++++
 5 files changed, 57 insertions(+)
 create mode 100644 README.md
 create mode 100644 backup/Crontab
 create mode 100644 backup/Dockerfile
 create mode 100644 backup/backup.sh
 create mode 100644 backup/init.sh

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6cdaa3e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# backup-containers
+Dockerfile used to perform automatic backups on volumes
\ No newline at end of file
diff --git a/backup/Crontab b/backup/Crontab
new file mode 100644
index 0000000..f87e630
--- /dev/null
+++ b/backup/Crontab
@@ -0,0 +1 @@
+0 0 * * * * /backup.sh
\ No newline at end of file
diff --git a/backup/Dockerfile b/backup/Dockerfile
new file mode 100644
index 0000000..3e37041
--- /dev/null
+++ b/backup/Dockerfile
@@ -0,0 +1,10 @@
+# god i suck at docker
+FROM debian AS base
+RUN apt update && apt install tar cron openssh-client rsync -y
+COPY Crontab /etc/cron.d/autorun
+COPY backup.sh /backup.sh
+COPY init.sh /init.sh
+RUN chmod +x /backup.sh /init.sh
+RUN mkdir -p /tmp /volumes
+
+CMD [ "/bin/bash", "/init.sh" ]
\ No newline at end of file
diff --git a/backup/backup.sh b/backup/backup.sh
new file mode 100644
index 0000000..8fc0f6c
--- /dev/null
+++ b/backup/backup.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+source /.env
+
+FILENAME="$NAME $(date +%Y-%m-%d\ %H-%M).tgz"
+
+# tar volumes
+tar -aczf /tmp/$FILENAME -C /volumes .
+
+# ship to host
+rsync -R -e "ssh -i /id" /tmp/$FILENAME $NAME@$HOST:/home/$NAME/$(date +%Y\/%m)/
\ No newline at end of file
diff --git a/backup/init.sh b/backup/init.sh
new file mode 100644
index 0000000..630bdc7
--- /dev/null
+++ b/backup/init.sh
@@ -0,0 +1,33 @@
+startup_check() {
+
+    if [[ -z "$(ls /volumes)" ]]; then
+        echo "Nothing in /volumes"
+        exit 1
+    fi
+    
+    if [[ ! -e "/.env" ]]; then
+        echo Missing .env file
+        exit 1
+    else
+        source /.env
+        if [[ -z "$NAME" ]]; then
+            echo Missing NAME in .env
+            exit 1
+        fi
+        if [[ -z "$HOST" ]]; then
+            echo Missing HOST in .env
+            exit 1
+        fi
+    fi
+
+    if [[ ! -e "/id" ]]; then
+        echo Missing ssh identity file
+        exit 1
+    fi
+
+    echo Startup check passed
+}
+
+startup_check
+/usr/sbin/cron &
+sleep infinity
\ No newline at end of file