Add diagram as code

.gitignore

@@ -2,6 +2,7 @@ build/
 terraform-*-tmp-*/
 
 *.iso
+*.jpg
 *.log
 .terraform*
 backend.tfvars

docs/diagrams/provision.py

@@ -0,0 +1,40 @@
+from diagrams import Cluster, Diagram
+from diagrams.generic.os import LinuxGeneral
+from diagrams.k8s.ecosystem import Helm, Kustomize
+from diagrams.k8s.infra import Node
+from diagrams.onprem.client import Client
+from diagrams.onprem.compute import Server
+from diagrams.onprem.container import Docker
+from diagrams.onprem.gitops import ArgoCD
+from diagrams.onprem.iac import Ansible, Terraform
+
+with Diagram("Provision (sperated by logical layers)", outformat="jpg"):
+    controller = Client("Controller (PC or laptop)")
+    bare_metal_machines = Server(f"Bare metal machine(s)")
+
+    with Cluster("./metal"):
+        ansible = Ansible("Ansible")
+        pxe = Docker("Ephemeral PXE server")
+        os = LinuxGeneral(f"CoreOS")
+
+        controller >> ansible
+        ansible >> pxe
+        pxe >> os
+        os >> bare_metal_machines
+
+        with Cluster("./infra"):
+            terraform = Terraform("RKE")
+            kubernetes_nodes = Node("Kuberentes node(s)")
+            argocd = ArgoCD("ArgoCD")
+
+            controller >> terraform
+            terraform >> kubernetes_nodes
+            terraform >> argocd
+
+            with Cluster("./apps"):
+                kustomize = Kustomize("Kustomize")
+                charts = Helm("Helm charts")
+
+                controller >> kustomize
+                kustomize >> argocd
+                argocd >> charts