Moved some tools to base-tools container. Add netifaces python lib.

All tools, libs, etc should be in base-tools container. Base image should not
be toched in the most cases.

Change-Id: I023dc4e8663b2e24c0757a1537358c2a320f8725

docker/base-tools/Dockerfile.j2

@@ -3,6 +3,11 @@ MAINTAINER {{ maintainer }}
 
 # This will prevent questions from being asked during the install
 ENV DEBIAN_FRONTEND noninteractive
+COPY requirements.txt /tmp/requirements.txt
 
-RUN apt-get install -y --no-install-recommends netcat lvm2 open-iscsi tgt vim less patch \
-    && apt-get clean
+RUN apt-get install -y --no-install-recommends netcat lvm2 open-iscsi tgt vim less patch gcc python-dev \
+    && apt-get clean \
+    && pip install --no-cache-dir -r /tmp/requirements.txt \
+    && rm /tmp/requirements.txt \
+    && apt-get -y purge gcc python-dev \
+    && apt-get -y autoremove

docker/base-tools/requirements.txt

@@ -1,4 +1,5 @@
 Jinja2>=2.8  # BSD License (3 clause)
 python-etcd
+netifaces
 PyYAML>=3.1.0  # MIT
 six>=1.9.0  # MIT

docker/base/Dockerfile.j2

@@ -6,7 +6,6 @@ ENV DEBIAN_FRONTEND noninteractive
 
 COPY sources.list.debian /etc/apt/sources.list
 COPY apt_preferences.debian /etc/apt/preferences
-COPY requirements.txt /tmp/requirements.txt
 
 # Ceph and Mariadb keys
 RUN apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 08B73419AC32B4E966C1A330E84AC2C0460F3994 \
@@ -19,9 +18,7 @@ RUN apt-get update \
     && curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
     && python get-pip.py \
     && rm get-pip.py \
-    && apt-get clean \
-    && pip install --no-cache-dir -r /tmp/requirements.txt \
-    && rm /tmp/requirements.txt
+    && apt-get clean
 
 COPY sudoers /etc/sudoers
 RUN chmod 440 /etc/sudoers \