Combine filter

See also ~/ansible/examples/combine-dictionaries.yml

Without recursive:

❯ ansible localhost -m debug -e '{"a": {"server": {"a": "a"}}}' -e '{"b": {"server": {"b": "b"}}}' -a 'msg={{ a | combine(b) }}'
localhost | SUCCESS => {
    "msg": {
        "server": {
            "b": "b"
        }
    }
}

With recursive:

$ ansible localhost -m debug -e '{"a": {"server": {"a": "a"}}}' -e '{"b": {"server": {"b": "b"}}}' -a 'msg={{ a | combine(b, recursive=True) }}'
localhost | SUCCESS => {
    "msg": {
        "server": {
            "a": "a",
            "b": "b"
        }
    }
}