Rename provisioning flow diagram source

docs/diagrams/provisioning_flow.py

@@ -0,0 +1,44 @@
+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
+
+graph_attr = {
+    "pad": "0"
+}
+
+with Diagram("Provisioning flow", graph_attr=graph_attr, outformat="jpg", show=False):
+    controller = Client("Initial controller")
+    bare_metal_machines = Server(f"Server(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("./cluster"):
+            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