Add helm-repository image

This PS adds helm-repository image which will be used to serve helm
packages from the centralized location to helm clients.

Change-Id: Id41b1275a3e2413a0a017fe0fcd8cc76622ec726

docker/helm-repository/Dockerfile.j2

@@ -0,0 +1,60 @@
+FROM {{ namespace }}/{{ image_prefix }}base:{{ tag }}
+MAINTAINER {{ maintainer }}
+
+{% block helm_repository_version %}
+ENV helm_version 2.1.3
+ENV helm_port 8879
+ENV helm_address 0.0.0.0
+{% endblock %}
+
+{% block helm_repository_header %}{% endblock %}
+
+{% set os_client_config='/usr/lib/python2.7/site-packages/os_client_config/defaults.json' %}
+
+{% import "macros.j2" as macros with context %}
+
+{% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
+    {% set helm_repo_packages = [
+        'git',
+        'jq',
+        'python-pip'
+     ] %}
+
+{% elif base_distro in ['ubuntu', 'debian'] %}
+    {% set helm_repo_packages = [
+        'git',
+        'jq',
+        'python-pip'
+     ] %}
+
+{% if base_distro == 'debian' %}
+   {% set os_client_config='/usr/local/lib/python2.7/dist-packages/os_client_config/defaults.json' %}
+{% endif %}
+
+{% endif %}
+{{ macros.install_packages(helm_repo_packages | customizable("packages")) }}
+
+RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py \
+    && python get-pip.py \
+    && rm get-pip.py
+
+RUN pip install pyyaml
+
+RUN curl -Lo /tmp/helm-v${helm_version}-linux-amd64.tar.gz  http://storage.googleapis.com/kubernetes-helm/helm-v${helm_version}-linux-amd64.tar.gz \
+    && sudo tar --strip-components 1 -C /usr/bin linux-amd64/helm -zxvf /tmp/helm-v${helm_version}-linux-amd64.tar.gz \
+    && sudo chmod 755 /usr/bin/helm \
+    && rm /tmp/helm-v${helm_version}-linux-amd64.tar.gz
+
+RUN useradd --user-group --create-home --home-dir /home/helm helm \
+    && sudo mkdir /helm-repo \
+    && sudo chmod 755 /helm-repo \
+    && sudo chown -R helm: /helm-repo/
+
+USER helm
+
+RUN helm init --client-only
+
+CMD helm serve --address $helm_address:$helm_port --repo-path /helm-repo
+
+{% block helm_repository_footer %}{% endblock %}
+{% block footer %}{% endblock %}