Add ironic-prometheus-exporter

This commit adds the ironic-prometheus-exporter, following the
conventions used by the previously integrated exporters. '[The] Ironic
Prometheus Exporter is a Tool to expose hardware sensor data in the
Prometheus format through an HTTP endpoint.'[0]

[0] https://opendev.org/openstack/ironic-prometheus-exporter

Change-Id: If833f1f4a33c27cdc941dcc7cd5bbb06b26e1eaf

3 files changed, 53 insertions, 1 deletions

diff --git a/docker/ironic/ironic-conductor/Dockerfile.j2 b/docker/ironic/ironic-conductor/Dockerfile.j2
index 63e48d1ea..ea488ee3c 100644
--- a/docker/ironic/ironic-conductor/Dockerfile.j2
+++ b/docker/ironic/ironic-conductor/Dockerfile.j2
@@ -46,7 +46,15 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
     'ironic-staging-drivers',
 ] %}
 
-RUN {{ macros.install_pip(ironic_conductor_pip_packages | customizable("pip_packages")) }}
+{% set ironic_conductor_plugins_pip_packages = [
+'/plugins/*'
+] %}
+
+ADD plugins-archive /
+RUN {{ macros.install_pip(ironic_conductor_pip_packages | customizable("pip_packages")) }} \
+    && if [ "$(ls /plugins)" ]; then \
+        {{ macros.install_pip(ironic_conductor_plugins_pip_packages) }}; \
+    fi
 
 {{ macros.install_packages(ironic_conductor_packages | customizable("packages")) }}
 
diff --git a/docker/ironic/ironic-prometheus-exporter/Dockerfile.j2 b/docker/ironic/ironic-prometheus-exporter/Dockerfile.j2
new file mode 100644
index 000000000..dab4b397c
--- /dev/null
+++ b/docker/ironic/ironic-prometheus-exporter/Dockerfile.j2
@@ -0,0 +1,41 @@
+FROM {{ namespace }}/{{ image_prefix }}ironic-conductor:{{ tag }}
+{% block labels %}
+LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build_date }}"
+{% endblock %}
+
+USER root
+
+{% block ironic_prometheus_exporter_header %}{% endblock %}
+
+{% import "macros.j2" as macros with context %}
+
+{% if base_package_type == 'rpm' %}
+
+    {% set ironic_prometheus_exporter_packages = [
+        'httpd',
+        'mod_ssl',
+        'python3-mod_wsgi'
+    ] %}
+
+{{ macros.install_packages(ironic_prometheus_exporter_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_package_type == 'deb' %}
+    {% set ironic_prometheus_exporter_packages = [
+        'apache2',
+        'libapache2-mod-wsgi-py3'
+    ] %}
+
+{{ macros.install_packages(ironic_prometheus_exporter_packages | customizable("packages")) }}
+RUN echo > /etc/apache2/ports.conf
+
+{% endif %}
+
+ENV IRONIC_CONFIG /etc/ironic/ironic.conf
+
+COPY extend_start.sh /usr/local/bin/kolla_extend_start
+RUN chmod 755 /usr/local/bin/kolla_extend_start
+
+{% block ironic_prometheus_exporter_footer %}{% endblock %}
+{% block footer %}{% endblock %}
diff --git a/docker/ironic/ironic-prometheus-exporter/extend_start.sh b/docker/ironic/ironic-prometheus-exporter/extend_start.sh
new file mode 100644
index 000000000..c55f0b199
--- /dev/null
+++ b/docker/ironic/ironic-prometheus-exporter/extend_start.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+. /usr/local/bin/kolla_httpd_setup