Add support for building Logstash

Add support for building Logstash 5.x for both Centos
and Debian based x86 distros.

Partially-Implements: blueprint monasca-containers
Change-Id: I4e2422d1cd2ae4c1f4aa63e8e543e725a1dc840c

docker/base/sources.list.ubuntu

@@ -12,7 +12,7 @@ deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe
 # are qemu, libvirt, and openvswitch.
 deb http://ubuntu-cloud.archive.canonical.com/ubuntu xenial-updates/queens main
 
-# Elastic & kibana repo
+# Elasticsearch, Logstash & Kibana repo
 deb https://artifacts.elastic.co/packages/5.x/apt stable main
 
 # InfluxDB repo

docker/logstash/Dockerfile.j2

@@ -0,0 +1,44 @@
+FROM {{ namespace }}/{{ image_prefix }}base:{{ tag }}
+LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build_date }}"
+
+{% block logstash_header %}{% endblock %}
+
+{% import "macros.j2" as macros with context %}
+
+{{ macros.configure_user(name='logstash', shell='/bin/bash', homedir='/usr/share/logstash') }}
+
+{% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
+    {% set logstash_packages = [
+        'logstash',
+        'java-1.8.0-openjdk-headless'
+    ] %}
+
+ENV JAVA_HOME /usr/lib/jvm/jre-1.8.0-openjdk/
+
+{% elif base_distro in ['debian', 'ubuntu'] %}
+    {% set logstash_packages = [
+        'logstash',
+        'openjdk-8-jre-headless'
+    ] %}
+
+{% if base_arch == 'x86_64' %}
+ARG java_arch=amd64
+{% elif base_arch == 'aarch64' %}
+ARG java_arch=arm64
+{% else %}
+ARG java_arch={{ base_arch }}
+{% endif %}
+
+ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-${java_arch}/
+
+{% endif %}
+
+{{ macros.install_packages(logstash_packages | customizable("packages")) }}
+COPY extend_start.sh /usr/local/bin/kolla_extend_start
+
+RUN chmod 755 /usr/local/bin/kolla_extend_start
+
+{% block logstash_footer %}{% endblock %}
+{% block footer %}{% endblock %}
+
+USER logstash

docker/logstash/extend_start.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [[ ! -d "/var/log/kolla/logstash" ]]; then
+    mkdir -p /var/log/kolla/logstash
+fi
+if [[ $(stat -c %a /var/log/kolla/logstash) != "755" ]]; then
+    chmod 755 /var/log/kolla/logstash
+fi

kolla/common/config.py

@@ -58,6 +58,7 @@ _PROFILE_OPTS = [
                     'keepalived',
                     'kibana',
                     'kolla-toolbox',
+                    'logstash',
                     'mariadb',
                     'memcached',
                     'mongodb',
@@ -1093,6 +1094,10 @@ USERS = {
     'hugetlbfs-user': {
         'uid': 42477,  # unused user, but we need the group for vhost socket
         'gid': 42477,
+    },
+    'logstash-user': {
+        'uid': 42478,
+        'gid': 42478,
     }
 }
 

releasenotes/notes/add-logstash-27da5de156efb943.yaml

@@ -0,0 +1,3 @@
+---
+features:
+  - Add support for building a Logstash 5.x image.