Alias fields

Alias fields for compatibility with 7.x.

host.hostname

type: alias

alias to: beat.hostname

event.timezone

type: alias

alias to: beat.timezone

cloud.provider

type: alias

alias to: meta.cloud.provider

cloud.instance.id

type: alias

alias to: meta.cloud.instance_id

cloud.instance.name

type: alias

alias to: meta.cloud.instance_name

cloud.machine.type

type: alias

alias to: meta.cloud.machine_type

cloud.availability_zone

type: alias

alias to: meta.cloud.availability_zone

cloud.project.id

type: alias

alias to: meta.cloud.project_id

cloud.region

type: alias

alias to: meta.cloud.region

container.id

type: alias

alias to: docker.container.id

container.name

type: alias

alias to: docker.container.name

container.image.name

type: alias

alias to: docker.container.image