Where are my inventory variables in a dump hostvars,

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1

When I do a dump of hostvars I get a different result than when I dump hostvars[hostname]. Things like group_names, inventory_hostname and variables defined in the inventory are not shown in a dump of hostvars. Am I imagining things?

By ‘dump’ I mean a jinja2 template with the following code

{{ hostvars | to_nice_json }} - does not include group_names, inventory_name, etc
{{ hostvars[‘my_hostname’] | to_nice_json }} - does include group_names, etc

2

hostvars is not a variable, its an object that pretends to be variable
but lazily loads things, so only the 2nd form is guaranteed to have
all the vars.

3

or you can :

{
"hostvars": {
{% for key in groups["all"] %}
"{{key}}": {{ hostvars[key] |to_nice_json }}{% if not loop.last %},{% endif %}
{% endfor %}

}

4

Thanks Brian,

I was hoping someone would show me “if not loop.last” :slight_smile: