FROM {{ namespace }}/{{ image_prefix }}base:{{ tag }}
LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build_date }}"

{% block fluentd_header %}{% endblock %}

{% import "macros.j2" as macros with context %}

{% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}

    {{ macros.configure_user(name='fluentd', groups='mysql') }}
# TODO:remove hostname package as it should be installed by the
# fluentd dependencies.
# hostname package is installed by default on CentOS/RHEL but not on
# oraclelinux.

    {% set fluentd_packages = [
        'fluentd',
        'gcc-c++',
        'hostname',
        'make',
        'ruby-devel',
        'rubygem-fluent-plugin-elasticsearch',
        'rubygem-fluent-plugin-grok-parser',
        'rubygem-fluent-plugin-rewrite-tag-filter',
        'rubygem-fluent-plugin-secure-forward'
    ] %}

{% elif base_distro in ['debian', 'ubuntu'] %}
    {{ macros.configure_user(name='td-agent', groups='mysql') }}
    {% set fluentd_packages = [
        'g++',
        'make',
        'ruby',
        'ruby-dev',
        'td-agent'
    ] %}

{% endif %}

{{ macros.install_packages(fluentd_packages | customizable("packages")) }}

# Distro specific files and operations
{% if base_distro in  ['centos', 'oraclelinux', 'rhel'] %}
COPY rpm_fluentd_sudoers /etc/sudoers.d/kolla_fluentd_sudoers
RUN chmod 440 /etc/sudoers.d/kolla_fluentd_sudoers \
    && mkdir -p /var/run/fluentd \
    && chown -R fluentd: /etc/fluentd /var/run/fluentd
{% elif base_distro in ['debian', 'ubuntu'] %}
COPY fluentd_sudoers /etc/sudoers.d/kolla_fluentd_sudoers
RUN chmod 440 /etc/sudoers.d/kolla_fluentd_sudoers \
    && sed -i -e "s/USER=td-agent/USER=root/" -e "s/GROUP=td-agent/GROUP=root/" /etc/init.d/td-agent \
    && rm -f /etc/td-agent/td-agent.conf \
    && chown -R td-agent: /etc/td-agent
{% endif %}


COPY extend_start.sh /usr/local/bin/kolla_extend_start
RUN chmod 755 /usr/local/bin/kolla_extend_start

{% block fluentd_plugins_install %}

{% if base_distro in ['debian', 'ubuntu'] %}
# NOTE(osmanlicilegi): fluentd has dropped support for ruby 2.3 and below at
# the end of 2019 so we need to pin its version to 1.8.x.
# NOTE(mgoddard): fluent-plugin-elasticsearch requires faraday, which from
# 0.16.0 depends on Ruby 2.3, but td-agent provides its own older version of
# Ruby.
    {% set fluentd_plugins = [
        'fluentd:"<1.9.0"',
        'faraday:"~>0.15.4"',
        'fluent-plugin-elasticsearch:4.0.0',
        'fluent-plugin-grep',
        'fluent-plugin-grok-parser:2.1.4',
        'fluent-plugin-parser',
        'fluent-plugin-rewrite-tag-filter:2.0.0',
        'fluent-plugin-secure-forward',
    ] %}
{% endif %}

{{ macros.install_fluent_plugins(fluentd_plugins | customizable("plugins")) }}

# Build and install Fluentd output plugin for Monasca Log API
ARG monasca_output_plugin_tag=0.1.0
ARG monasca_output_plugin_url=https://github.com/monasca/fluentd-monasca/archive/$monasca_output_plugin_tag.tar.gz
ADD $monasca_output_plugin_url /tmp/fluentd-monasca.tar.gz
RUN tar -xvf /tmp/fluentd-monasca.tar.gz -C /tmp \
    && cd /tmp/fluentd-monasca-* \
    && gem build fluentd-monasca-output.gemspec \
    && gem install fluentd-monasca-output-*.gem \
    && {{ macros.install_fluent_plugins(['fluentd-monasca-output-*.gem'], chain=True) }} \
    && rm -rf /tmp/fluentd*

{% endblock %}

{% block fluentd_footer %}{% endblock %}
{% block footer %}{% endblock %}

{% if base_distro in ['centos', 'oraclelinux', 'rhel'] %}
USER fluentd
{% elif base_distro in ['debian', 'ubuntu'] %}
USER td-agent
{% endif %}