From 16637d2b601bef6f99c4ac6b0a02c24bbade6cda Mon Sep 17 00:00:00 2001
From: Sebastian <379651+czarly@users.noreply.github.com>
Date: Sun, 24 Mar 2024 15:54:06 +0100
Subject: [PATCH] estimate available space

---
 disk-space.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 disk-space.sh

diff --git a/disk-space.sh b/disk-space.sh
new file mode 100755
index 00000000..b553c316
--- /dev/null
+++ b/disk-space.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Total disk space in bytes (replace /dev/sda1 with your actual disk)
+total_blocks=$(df --output=size /var/lib/docker/volumes | awk 'NR==2')
+
+# Convert total blocks to bytes
+total_disk_space=$((total_blocks * 1024))
+
+# Used disk space in bytes
+reserved=${1:-50}
+used_disk_space=$(( reserved * 1024 * 1024 * 1024 ))
+
+# Calculate 10% of total disk space
+ten_percent=$(( total_disk_space / 10 ))
+
+# Calculate total available disk space
+total_available_space=$(( total_disk_space - used_disk_space - ten_percent ))
+
+#echo "$total_disk_space"
+#echo "$used_disk_space"
+#echo "$ten_percent"
+
+# Convert total available space to human-readable format
+#total_available_space_human=$(echo "$total_available_space" | awk '{ split( "B KB MB GB" , v ); s=1; while( $1>1024 ){ $1/=1024; s++ } print int($1) v[s] }')
+#total_available_space_human=$(numfmt --to=iec-i --suffix=B "$total_available_space")
+
+available_space_gb=$(echo "scale=0; $total_available_space / 1073741824" | bc)
+
+echo "$available_space_gb"