Add Scripts/container-size.sh

Scripts/container-size.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+
+clear
+
+# Optional: prune Docker
+docker volume prune -af 2>&1 > /dev/null
+docker image prune -af 2>&1 > /dev/null
+docker builder prune -af 2>&1 > /dev/null
+
+IFS=$'\n'
+
+echo "Searching for large directories.."
+overlay=($(du -sh /var/lib/docker/overlay2/* | sort -hr | head -n 10))
+
+clear
+echo "Containers that use a lot of space:"
+
+for layer in "${overlay[@]}"; do
+   size=$(echo $layer | awk '{print $1}')
+   layer_id=$(echo $layer | awk '{print $2}' | sed 's|/var/lib/docker/overlay2/||g')
+
+   # Check MergeDir
+   container_name=$( docker inspect $(docker ps -qa) |  jq -r 'map([.Name, .GraphDriver.Data.MergedDir]) | .[] | "\(.[0])\t\(.[1])"' \
+    | grep -w $layer_id | awk '{print $1}' | sed 's|/||g')
+
+   # Check UpperDir
+   if [[ -z $container_name ]]; then
+      container_name=$( docker inspect $(docker ps -qa) |  jq -r 'map([.Name, .GraphDriver.Data.UpperDir]) | .[] | "\(.[0])\t\(.[1])"' \
+    | grep -w $layer_id | awk '{print $1}' | sed 's|/||g')
+   fi
+
+   # Check LowerDir
+   if [[ -z $container_name ]]; then
+      container_name=$( docker inspect $(docker ps -qa) |  jq -r 'map([.Name, .GraphDriver.Data.LowerDir]) | .[] | "\(.[0])\t\(.[1])"' \
+    | grep -w $layer_id | awk '{print $1}' | sed 's|/||g')
+   fi
+
+   # Check WorkDir
+   if [[ -z $container_name ]]; then
+      container_name=$( docker inspect $(docker ps -qa) |  jq -r 'map([.Name, .GraphDriver.Data.WorkDir]) | .[] | "\(.[0])\t\(.[1])"' \
+    | grep -w $layer_id | awk '{print $1}' | sed 's|/||g')
+   fi
+
+   if [[ -n $container_name ]]; then
+      echo "$size $container_name"
+   fi
+done