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

4 files changed, 9 insertions, 0 deletions

diff --git a/docker/mistral/mistral-api/Dockerfile.j2 b/docker/mistral/mistral-api/Dockerfile.j2
index 80f0c7871..6d9cb5575 100644
--- a/docker/mistral/mistral-api/Dockerfile.j2
+++ b/docker/mistral/mistral-api/Dockerfile.j2
@@ -1,5 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}mistral-base:{{ tag }}
 MAINTAINER {{ maintainer }}
+
+{% block mistral_api_header %}{% endblock %}
+
 {% import "macros.j2" as macros with context %}
 
 {% if install_type == 'binary' %}
diff --git a/docker/mistral/mistral-base/Dockerfile.j2 b/docker/mistral/mistral-base/Dockerfile.j2
index 5c7c90ed7..e3c5c3e6e 100644
--- a/docker/mistral/mistral-base/Dockerfile.j2
+++ b/docker/mistral/mistral-base/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}openstack-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block mistral_base_header %}{% endblock %}
+
 {% import "macros.j2" as macros with context %}
 
 {% if install_type == 'binary' %}
diff --git a/docker/mistral/mistral-engine/Dockerfile.j2 b/docker/mistral/mistral-engine/Dockerfile.j2
index ed55401eb..295bc265d 100644
--- a/docker/mistral/mistral-engine/Dockerfile.j2
+++ b/docker/mistral/mistral-engine/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}mistral-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block mistral_engine_header %}{% endblock %}
+
 {% import "macros.j2" as macros with context %}
 
 {% if install_type == 'binary' %}
diff --git a/docker/mistral/mistral-executor/Dockerfile.j2 b/docker/mistral/mistral-executor/Dockerfile.j2
index e52af6093..b594bbaf4 100644
--- a/docker/mistral/mistral-executor/Dockerfile.j2
+++ b/docker/mistral/mistral-executor/Dockerfile.j2
@@ -1,6 +1,8 @@
 FROM {{ namespace }}/{{ image_prefix }}mistral-base:{{ tag }}
 MAINTAINER {{ maintainer }}
 
+{% block mistral_executor_header %}{% endblock %}
+
 {% import "macros.j2" as macros with context %}
 
 {% if install_type == 'binary' %}