Added a workaround for Docker's inability to modify /etc/hosts in the container.

See Docker bug 2267: https://github.com/dotcloud/docker/issues/2267

image/bin/my_init

@@ -56,6 +56,9 @@ def is_exe(path):
 	except OSError:
 		return False
 
+def create_hosts_file():
+	run_command_killable("/bin/cp", "/etc/hosts", "/etc/workaround-docker-2267/")
+
 def import_envvars(clear_existing_environment = True, override_existing_environment = True):
 	new_env = {}
 	for envfile in listdir("/etc/container_environment"):
@@ -249,6 +252,7 @@ def install_insecure_key():
 	run_command_killable("/usr/sbin/enable_insecure_key")
 
 def main(args):
+	create_hosts_file()
 	import_envvars(False, False)
 	export_envvars()
 

image/bin/workaround-docker-2267

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /usr/bin/perl -pi -e 's:/etc/hosts:/cte/hosts:g' /lib/x86_64-linux-gnu/libnss_files.so.2

image/prepare.sh

@@ -30,6 +30,12 @@ ln -sf /bin/true /sbin/initctl
 dpkg-divert --local --rename --add /usr/bin/ischroot
 ln -sf /bin/true /usr/bin/ischroot
 
+## Workaround https://github.com/dotcloud/docker/issues/2267,
+## not being able to modify /etc/hosts.
+mkdir -p /etc/workaround-docker-2267
+ln -s /etc/workaround-docker-2267 /cte
+cp /build/bin/workaround-docker-2267 /usr/bin/
+
 ## Install HTTPS support for APT.
 $minimal_apt_get_install apt-transport-https ca-certificates