Merge pull request #757 from al-cheb/al-cheb/clean_cache_packages

Clean up apt package cache

images/linux/scripts/installers/cleanup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# before cleanup
+before=$(df / -Pm | awk 'NR==2{print $4}')
+
+# clears out the local repository of retrieved package files
+# It removes everything but the lock file from /var/cache/apt/archives/ and /var/cache/apt/archives/partial
+apt-get clean
+
+# after cleanup
+after=$(df / -Pm | awk 'NR==2{print $4}')
+
+# display size
+ echo "Before: $before MB"
+ echo "After : $after MB"
+ echo "Delta : $(($after-$before)) MB"

images/linux/ubuntu1604.json

@@ -289,6 +289,13 @@
             ],
             "execute_command": "sudo sh -c '{{ .Vars }} {{ .Path }}'"
         },
+        {
+            "type": "shell",
+            "scripts":[
+                "{{template_dir}}/scripts/installers/cleanup.sh"
+            ],
+            "execute_command": "sudo sh -c '{{ .Vars }} {{ .Path }}'"
+        },
         {
             "type": "file",
             "source": "{{user `metadata_file`}}",

images/linux/ubuntu1804.json

@@ -293,6 +293,13 @@
             ],
             "execute_command": "sudo sh -c '{{ .Vars }} {{ .Path }}'"
         },
+        {
+            "type": "shell",
+            "scripts":[
+                "{{template_dir}}/scripts/installers/cleanup.sh"
+            ],
+            "execute_command": "sudo sh -c '{{ .Vars }} {{ .Path }}'"
+        },
         {
             "type": "file",
             "source": "{{user `metadata_file`}}",