remove ephemeral layer

basic/srv/vm/mgr/__init__.py

@@ -215,11 +215,15 @@ class VMMgr:
         ip = tools.get_unused_ip()
         tools.update_hosts_lease(ip, app)
         tools.set_container_ip(pid, ip)
+        # Remove ephemeral layer data
+        tools.remove_ephemeral_layer(app)
 
     def unregister_container(self):
         # Unset IP of a container based on values given via lxc.hook.post-stop hook
         app = os.environ['LXC_NAME']
         tools.update_hosts_lease(None, app)
+        # Remove ephemeral layer data
+        tools.remove_ephemeral_layer(app)
 
     def register_proxy(self, app, reload_nginx=True):
         # Rebuild nginx configuration using IP of referenced app container and reload nginx

basic/srv/vm/mgr/tools.py

@@ -5,6 +5,7 @@ import dns.exception
 import dns.resolver
 import os
 import requests
+import shutil
 import socket
 import ssl
 import subprocess
@@ -153,3 +154,9 @@ def set_container_ip(pid, ip):
     # Set IP in container based on PID given via lxc.hook.start-host hook
     cmd = 'ip addr add {}/16 broadcast 172.17.255.255 dev eth0 && ip route add default via 172.17.0.1'.format(ip)
     subprocess.run(['nsenter', '-a', '-t', pid, '--', '/bin/sh', '-c', cmd])
+
+def remove_ephemeral_layer(app):
+    layer = os.path.join('/var/lib/lxc', app, 'delta0')
+    if os.path.exists(layer):
+        for item in os.scandir(layer):
+            shutil.rmtree(item.path) if item.is_dir() else os.unlink(item.path)

setup-all.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+
+SOURCE_DIR=$(realpath $(dirname "${0}"))
+
+# Setup components
+${SOURCE_DIR}/activemq/setup.sh
+${SOURCE_DIR}/ckan-datapusher/setup.sh
+${SOURCE_DIR}/postgres/setup.sh
+${SOURCE_DIR}/redis/setup.sh
+${SOURCE_DIR}/solr/setup.sh
+
+# Setup applications
+${SOURCE_DIR}/ckan