Add WSGI support for cloudkitty-api

They dropped the cloudkitty-api command line[0], so we should add wsgi
support for cloudkitty-api.

[0]https://review.openstack.org/#/c/366043/

Change-Id: Ie6a08831f8c0bcf3051f01fccc9e3662f36b03ca
Closes-Bug: #1713879

docker/cloudkitty/cloudkitty-api/Dockerfile.j2

@@ -9,8 +9,14 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
     {% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
 
         {% set cloudkitty_api_packages = [
+                'httpd',
+                'mod_ssl',
+                'mod_wsgi',
                 'openstack-cloudkitty-api',
         ] %}
+{{ macros.install_packages(cloudkitty_api_packages | customizable("packages")) }}
+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'] %}
 
@@ -19,14 +25,32 @@ RUN echo '{{ install_type }} not yet available for {{ base_distro }}' \
 
     {% endif %}
 
-{% endif %}
+{% elif install_type == 'source' %}
 
+    {% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
+        {% set cloudkitty_api_packages = [
+                'httpd',
+                'mod_ssl',
+                'mod_wsgi'
+        ] %}
 {{ macros.install_packages(cloudkitty_api_packages | customizable("packages")) }}
+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 ['ubuntu', 'debian'] %}
+        {% set cloudkitty_api_packages = [
+                'apache2',
+                'libapache2-mod-wsgi'
+        ] %}
+{{ macros.install_packages(cloudkitty_api_packages | customizable("packages")) }}
+RUN echo > /etc/apache2/ports.conf
+
+    {% endif %}
+
+{% endif %}
 
 COPY extend_start.sh /usr/local/bin/kolla_cloudkitty_extend_start
 RUN chmod 755 /usr/local/bin/kolla_cloudkitty_extend_start
 
 {% block cloudkitty_api_footer %}{% endblock %}
 {% block footer %}{% endblock %}
-
-USER cloudkitty

docker/cloudkitty/cloudkitty-api/extend_start.sh

@@ -1,5 +1,15 @@
 #!/bin/bash
 
+# 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 [[ "${KOLLA_BASE_DISTRO}" =~ debian|ubuntu ]]; then
+    # Loading Apache2 ENV variables
+    . /etc/apache2/envvars
+    rm -rf /var/run/apache2/*
+else
+    rm -rf /var/run/httpd/* /run/httpd/* /tmp/httpd*
+fi
+
 # Bootstrap and exit if KOLLA_BOOTSTRAP variable is set. This catches all cases
 # of the KOLLA_BOOTSTRAP variable being set, including empty.
 if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then