Add header blocks to all Dockerfiles

Change needed to add header blocks to all Dockerfiles, similar to the
base.

Use case is to easily run something before packages are installed, e.g.
to COPY a local rpm in that can be added to the package list.

Change-Id: I1bbfdf0b762da0a392aa8bf47781315b45377bee
Closes-Bug: 1618969

3 files changed, 6 insertions, 0 deletions

diff --git a/docker/glance/glance-api/Dockerfile.j2 b/docker/glance/glance-api/Dockerfile.j2
index c9de79c7a..51693533d 100644
--- a/docker/glance/glance-api/Dockerfile.j2
+++ b/docker/glance/glance-api/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}glance-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block glance_api_header %}{% endblock %}
+
 COPY extend_start.sh /usr/local/bin/kolla_glance_extend_start
 RUN chmod 755 /usr/local/bin/kolla_glance_extend_start
 
diff --git a/docker/glance/glance-base/Dockerfile.j2 b/docker/glance/glance-base/Dockerfile.j2
index e645ae53d..549599def 100644
--- a/docker/glance/glance-base/Dockerfile.j2
+++ b/docker/glance/glance-base/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}openstack-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block glance_base_header %}{% endblock %}
+
 {% import "macros.j2" as macros with context %}
 
 {% if install_type == 'binary' %}
diff --git a/docker/glance/glance-registry/Dockerfile.j2 b/docker/glance/glance-registry/Dockerfile.j2
index d57831637..2f214f853 100644
--- a/docker/glance/glance-registry/Dockerfile.j2
+++ b/docker/glance/glance-registry/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}glance-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block glance_registry_header %}{% endblock %}
+
 {% block glance_registry_footer %}{% endblock %}
 {% block footer %}{% endblock %}
 {{ include_footer }}