Add Apache packages to ironic-api container

This is required to be able to run ironic-api under wsgi,
instead of standalone.

Change-Id: I5944b969c4b64ae73c285bc9f8260cdef9cfceaa
Related-Blueprint: apache-packages-for-apis

docker/ironic/ironic-api/Dockerfile.j2

@@ -7,13 +7,45 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 
 {% if install_type == 'binary' %}
     {% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
-        {% set ironic_api_packages = ['openstack-ironic-api'] %}
+        {% set ironic_api_packages = [
+            'httpd',
+            'mod_ssl',
+            'mod_wsgi',
+            'openstack-ironic-api'
+        ] %}
     {% elif base_distro in ['debian', 'ubuntu'] %}
-        {% set ironic_api_packages = ['ironic-api'] %}
+        {% set ironic_api_packages = [
+            'apache2',
+            'ironic-api',
+            'libapache2-mod-wsgi'
+        ] %}
+    {% endif %}
+
+{% elif install_type == 'source' %}
+    {% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
+        {% set ironic_api_packages = [
+            'httpd',
+            'mod_ssl',
+            'mod_wsgi'
+        ] %}
+    {% elif base_distro in ['debian', 'ubuntu'] %}
+        {% set ironic_api_packages = [
+            'apache2',
+            'libapache2-mod-wsgi'
+        ] %}
+    {% endif %}
+
 {% endif %}
 
 {{ macros.install_packages(ironic_api_packages | customizable("packages")) }}
 
+{% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
+RUN sed -i -r 's,^(Listen 80),#\1,' /etc/httpd/conf/httpd.conf \
+    && sed -i -r 's,^(Listen 443),#\1,' /etc/httpd/conf.d/ssl.conf
+
+{% elif base_distro in ['debian', 'ubuntu'] %}
+RUN echo > /etc/apache2/ports.conf
+
 {% endif %}
 
 COPY extend_start.sh /usr/local/bin/kolla_ironic_extend_start

docker/ironic/ironic-api/extend_start.sh

@@ -6,3 +6,16 @@ if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
     ironic-dbsync upgrade
     exit 0
 fi
+
+# Assume the service runs on top of Apache when user is root
+if [[ "$(whoami)" == 'root' ]]; then
+    # NOTE(pbourke): httpd will not clean up after itself in some cases which
+    # results in the container not being able to restart. (bug #1489676, 1557036)
+    if [[ "${KOLLA_BASE_DISTRO}" =~ debian|ubuntu ]]; then
+        # Loading Apache2 ENV variables
+        . /etc/apache2/envvars
+        rm -rf /var/run/apache2/*
+    else
+        rm -rf /var/run/httpd/* /run/httpd/* /tmp/httpd*
+    fi
+fi