{% macro install_packages(packages) -%}
{% if packages is defined and packages|length > 0 -%}
    {% if base_distro in ['centos', 'oraclelinux', 'rhel'] -%}
        RUN yum --setopt skip_missing_names_on_install=False -y install {{ packages | join(' ') }} && yum clean all
    {%- elif base_distro in ['ubuntu', 'debian'] -%}
        {#-
          debian_package_install is a utility method to build up an appropriate
          set of commands to install packages in a debian-based environment that
          may include URL links to a .deb package (e.g, heka)
        -#}
        RUN {{ debian_package_install(packages) }}
    {%- endif %}
{%- endif %}
{%- endmacro %}


{% macro install_pip(packages, constraints = true) %}
{%- if packages is sequence and packages|length > 0 -%}
    pip --no-cache-dir install --upgrade{{ ' ' }}
    {%- if constraints %}-c requirements/upper-constraints.txt {% endif -%}
    {{ packages | join(' ') }}
{%- else -%}
    true
{%- endif -%}
{% endmacro %}


{% macro configure_user(name, groups=None, shell=None, homedir=None) %}
{% set user=users[name] %}
{%- if not homedir %}
{% set homedir='/var/lib/' + name %}
{%- endif %}
RUN usermod --append --home {{ homedir }} --groups kolla {{ name }} \
    {%- if groups %}
    && usermod --append --groups {{ groups }} {{ name }} \
    {%- endif %}
    {%- if shell %}
    && chsh --shell {{ shell }} {{ name }} \
    {%- endif %}
    && mkdir -p {{ homedir }} \
    && chown -R {{ user.uid }}:{{ user.gid }} {{ homedir }}
{% endmacro %}


{% macro ubuntu_trove_bug_1651852() %}
{# NOTE(SamYaple): The postinst script breaks because it calls getenv instead of getent #}
{# TODO(SamYaple): Remove once issue is fixed -- https://bugs.launchpad.net/ubuntu/+source/openstack-trove/+bug/1651852 #}
RUN apt-get -y install --no-install-recommends trove-common \
    || sed -i 's/getenv/getent/g' /var/lib/dpkg/info/trove-common.postinst \
    && apt-get -y install -f \
    && apt-get clean
{% endmacro %}


{% macro debian_haproxy_existing_user_fix() %}
{# NOTE(SamYaple): The postinst script breaks if the user 'haproxy' already exists #}
RUN apt-get -y install --no-install-recommends haproxy \
    || sed -i '/^adduser/,+1 d' /var/lib/dpkg/info/haproxy.postinst \
    && apt-get -y install -f \
    && apt-get clean
{% endmacro %}