A call sequence diagram of downloading Ansible Collection content from Galaxy which stores it using Pulp

download_collection.dot

@startuml
autonumber

title Collection Download

participant Mazer

box "galaxy.example.com"
participant Nginx
participant "Pulp's Webserver"
end box


' Mazer requests content
Mazer [#red]-> Nginx : GET https://galaxy.ansible.com/api/v1/collection/:namespace-:name:version.tgz

' Route the request to Pulp using a reverse proxy
"Nginx" [#green]-> "Pulp's Webserver" : GET pulp.internal/api/v1/collection/:namespace-:name:version.tgz
"Nginx" <-[#green] "Pulp's Webserver" : 200 OK w/ data

' Give Response to Mazer
Mazer <-[#red] Nginx : 200 OK w/ data

legend right
  (Red) -> HTTP(S) calls from and responses to Mazer
  (Green) -> Calls to, response from Pulp
endlegend
@enduml