Add diagram of installer-based provisioning with full-host bootdisk

guides/image-sources/foreman.pstyle

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+' Foreman style for PlantUML diagrams
+' This style was created for sequence diagrams and may be incomplete.
+
+skinparam RoundCorner 8
+skinparam Shadowing false
+
+' #ffcc32 Foreman yellow
+' #025d8c Foreman blue
+
+skinparam sequence {
+    ArrowColor  #025d8c
+    LifeLineBorderColor #ecf4f8
+    LifeLineBorderThickness 32
+    DividerBorderColor #025d8c
+    DividerFontColor #025d8c
+    group {
+        TitleFontColor #025d8c
+        BorderColor #d2e4ed
+        FontColor #025d8c
+    }
+    groupHeader {
+        BackgroundColor #d2e4ed
+        FontColor #025d8c
+    }
+}
+
+skinparam Actor {
+    BackgroundColor #025d8c
+    BorderColor #025d8c
+    FontColor   #025d8c
+}
+
+skinparam Participant {
+    BackgroundColor #025d8c
+    BorderColor #025d8c
+    FontColor   White
+}
+
+skinparam Note {
+    BackgroundColor #d2e4ed
+    BorderColor #025d8c
+    FontColor   #025d8c
+}
+
+' Puppet enabled=1, disabled=0
+!$puppet = 0
+
+autonumber

guides/image-sources/prov-first-local-boot-hdd.iuml

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+!if ($networkboot)
+Host -> DHCP : requests the reserved IP
+!endif
+Host -> Host : boots from HDD

guides/image-sources/prov-initial-configuration.iuml

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+!if ($puppet)
+opt when Puppet enabled
+    Host -> Puppet : sends CSR
+    Puppet -> Host : sends certificate (if allowed to)
+end
+!else
+note over Host : initial host configuration\n- remote execution,\n- signs Puppet client cert,\n- runs Ansible roles,\n- etc.
+!endif

guides/image-sources/prov-installation-media.iuml

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+loop
+   Host -> Foreman : requests installation media
+   Foreman -> Proxy : requests installation media
+   Proxy -> Foreman : provides installation media
+   Foreman -> Host : provides installation media
+end

guides/image-sources/provisioning-installer-bootdisk-fullhost.plantuml

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+@startuml
+
+!include foreman.pstyle
+!$networkboot = 0
+
+title Installer-based provisioning with full-host bootdisk
+
+actor       User
+participant "Provisioned\nHost" as Host
+participant "Foreman" as Foreman
+participant "Foreman\nProxy" as Proxy
+'participant "Pulp\n(Katello)" as Pulp
+'participant TFTP
+'participant DHCP
+participant DNS
+!if ($puppet)
+participant "Puppet\nserver" as Puppet
+!endif
+
+note over Host : powered off
+
+== Create host in Foreman ==
+
+User -> Foreman : clicks **Create Host**
+User -> Foreman : assigns static IP address
+User -> Foreman : submits the **Create host** form
+group Templates [*PXE* installer boot]
+    Foreman -> Proxy : renders bootloader configuration files
+end
+Proxy -> Proxy : deploys bootloader configuration files
+Foreman -> Proxy : commands to download installation media
+note over Proxy : downloads installation media
+Foreman -> Proxy : creates DNS records
+Proxy -> DNS : forwards DNS records
+note over Foreman : host is created\n(build mode enabled)
+
+User -> Foreman : downloads the bootdisk ISO of the host
+note over User : writes the bootdisk ISO\nto a USB/CD/DVD drive
+
+== Boot into OS installer ==
+
+User -> Host : configures the machine to boot\nfrom the USB/CD/DVD drive
+User -> Host : powers on the machine
+Host -> Host : uses IP from the bootdisk
+note over Host : boots from the USB/CD/DVD drive
+note over Host : loads OS installer
+User -> Host : eliminates the USB/CD/DVD drive\n(too soon?)
+!include prov-installation-media.iuml
+note over Host : OS is installed
+!include prov-initial-configuration.iuml
+Host -> Foreman : calls home\n(disables build mode)
+note over Host : reboots
+
+== First local boot ==
+
+!include prov-first-local-boot-hdd.iuml
+
+!if ($puppet)
+== First Puppet run ==
+
+!include puppet-run.iuml
+!endif
+
+note over Host : in operation
+
+@enduml

guides/image-sources/puppet-run.iuml

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+Host -> Puppet : sends facts
+Host -> Puppet : requests catalog
+Puppet -> Foreman : forwards facts
+Puppet -> Foreman : requests ENC
+Puppet -> Host : responds with requested catalog
+note over Host : runs catalog
+Host -> Puppet : sends report
+Puppet -> Foreman : forwards report