# Use http://sequencediagram.org/ to generate image

title Cloud-based provisioning with Puppet via cloud-init

participant User
participant "Provisioned Instance" as Host
participant "Foreman" as Foreman
participant "Foreman Proxy" as Proxy
participant "Infrastructure Cloud" as Cloud
participant DNS
participant "Puppet master" as Puppet

linear
autonumber

note over Foreman:has an Image with cloud-init flag
User->Foreman:clicks on New Host
User->Foreman:selects cloud resource, the image and submits
Foreman->Cloud:creates new instance with cloud-init info
Cloud->Foreman:reports IP address
Foreman->Proxy:creates DNS records
Proxy->DNS:forwards DNS records
Foreman->Proxy:creates sign request (autosign turned on)
Proxy->Puppet:forwards sign request
Foreman->Cloud:starts the instance
note over Host:boots up

== Cloud-init script ==

Host->Puppet:signs puppet client certificate (puppet agent)
Host->Foreman:turns off build mode

== First puppet run ==

Host->Puppet:sends initial facts
Puppet->Foreman:forwards initial facts
Host->Puppet:compiles catalog
note over Host:host is configured
Host->Puppet:sends initial report
Puppet->Foreman:forwards initial report
note over Host:in operation