Install a version of pip and setup tools that ansible 2.x is happy with.

These are the same versions as what the rest of configuration is currently set to.

docker/build/go-agent/Dockerfile

@@ -61,6 +61,18 @@ RUN usermod -aG docker go
 # Assign the go user root privlidges
 RUN printf "\ngo      ALL=(ALL:ALL) NOPASSWD: /usr/bin/pip, /usr/local/bin/pip\n" >> /etc/sudoers
 
+# Upgrade pip and setup tools. Needed for Ansible 2.x
+# Must upgrade to latest before pinning to work around bug
+# https://github.com/pypa/pip/issues/3862
+RUN \
+  pip install --upgrade pip && \
+  #pip may have moved from /usr/bin/ to /usr/local/bin/. This clears bash's path cache.
+  hash -r && \
+  pip install --upgrade pip==8.1.2 && \
+  # upgrade setuptools early to avoid no distribution errors
+  pip install --upgrade setuptools==24.0.3
+
+
 # Install AWS command-line interface - for AWS operations in a go-agent task.
 RUN pip install awscli