icinga2-formula/icinga2/macros.jinja

{%- macro printassign(key, value) %}
  {#- Check values like: 3, 25, 3s, 45m, 8d #}
  {%- if value is number or "vars" in value or value in ["false","true"] or key in ["check_interval", "retry_interval"] %}
          {{ key }} = {{ value }}
  {#- Check string values, the more common #}
  {%- elif value is string %}
          {{ key }} = "{{ value }}"
  {%- endif %}
{%- endmacro %}

{%- macro printconfig(type, object, name, config, applyto="", applymethod="")%}
  {%- if applymethod == "to" %}
        {{ type }} {{ object }} "{{ name }}" to {{ applyto }} {
  {%- elif applymethod == "for" %}
        {{ type }} {{ object }} for {{ applyto }} {
  {%- elif object == "Host" and type != "template" %}
        {{ type }} {{ object }} {{ name }} {
  {%- else %}
        {{ type }} {{ object }} "{{ name }}" {
  {%- endif %}
  {%- if config is defined %}
      {#- Check import first to be the first line on config blocks #}
    {%- for key, value in config.items() %}
      {%- if key == "import" %}
          {{key}} "{{ value }}"
      {%- endif %}
    {%- endfor %}
    {%- for key, value in config.items() if key != "import" -%}
      {{ printassign(key, value) }}
      {#- Handle vars values that can be a dict, list or value #}
      {%- if key == "vars"  %}
        {%- for varkey, varvalue in config.vars.items() %}
          {%- if varvalue is mapping %}
            {%- for k, v in varvalue.items() %}
          vars.{{ varkey }}["{{ k }}"] = {
              {%- if v is not none %}
                {%- for k1, v1 in v.items() -%}
                  {{ printassign(k1, v1)|indent(2)}}
                {%- endfor %}
              {%- endif %}
          }
            {%- endfor %}
          {%- else -%}
            {{ printassign("vars." + varkey, varvalue) }}
          {%- endif %}
        {%- endfor %}
      {#- Handle dict values mapping dict type on yaml with icinga2 syntax #}
      {%- elif value is mapping %}
          {{ key }} = {
        {%- for k, v in value.items() -%}
            {{ printassign(k, v)|indent(2) }}
        {%- endfor %}
          }
      {#- Special case for assign and ignore #}
      {%- elif key in ["assign", "ignore"] %}
        {%- for item in value %}
          {{ key }} where {{ item }}
        {%- endfor %}
      {#- Handle lists values mapping list type on yaml with icinga2 syntax #}
      {%- elif value is iterable and not value is string %}
          {{ key }} = [ {{ value|join(",") }} ]
      {%- endif %}
    {%- endfor %}
    {#- Add a line to aggregate variables read from dictionary #}
    {%- if applymethod == "for" %}
          vars += config
    {%- endif %}
  {%- endif %}
        }
{%- endmacro %}