Add: support for Ubuntu 16.04 LTS (Xenial).

Fix:
  1. OS-level packages `libffi-dev` and `libssl-dev`/`openssl-dev` should be installed explicitly since Ansible 2.0.2.0(???).
  2. Python package cffi should be installed explicitly since Ansible 2.0.2.0(???).
  3. add '--fix-missing' for apt.

@see https://github.com/boxcutter/ubuntu/issues/62
@see https://github.com/pyca/cryptography/issues/2280

1 files changed, 5 insertions, 3 deletions

diff --git a/1.9-debian7-onbuild/Dockerfile b/1.9-debian7-onbuild/Dockerfile
index 5ca7ce3..ec8f2d1 100644
--- a/1.9-debian7-onbuild/Dockerfile
+++ b/1.9-debian7-onbuild/Dockerfile
@@ -13,11 +13,12 @@ MAINTAINER William Yeh <william.pjyeh@gmail.com>
 
 
 RUN echo "===> Installing python, sudo, and supporting tools..."  && \
-    apt-get update  && \
+    apt-get update -y  &&  apt-get install --fix-missing          && \
     DEBIAN_FRONTEND=noninteractive         \
     apt-get install -y                     \
         python python-yaml sudo            \
-        curl gcc python-pip python-dev  && \
+        curl gcc python-pip python-dev libffi-dev libssl-dev  && \
+    pip install --upgrade cffi                     && \
     \
     \
     echo "===> Installing Ansible..."   && \
@@ -25,7 +26,8 @@ RUN echo "===> Installing python, sudo, and supporting tools..."  && \
     \
     \
     echo "===> Removing unused APT resources..."                  && \
-    apt-get -f -y --auto-remove remove gcc python-pip python-dev  && \
+    apt-get -f -y --auto-remove remove \
+                 gcc python-pip python-dev libffi-dev libssl-dev  && \
     apt-get clean                                                 && \
     rm -rf /var/lib/apt/lists/*  /tmp/*                           && \
     \