ruparee · May 28, 2023 23:08 · Aug 18, 2022 · Dec 15, 2021
diff --git a/138-crossplane-chicken-egg.sh b/138-crossplane-chicken-egg.sh
@@ -1,10 +1,10 @@
-# Source: https://gist.github.com/2e67c67a36a2e782422ebefb4a0a2612
+# Source https://gist.github.com/269d2e963f2857ca857d2b99f40dead2
 
 git clone https://github.com/vfarcic/devops-toolkit-crossplane
 
 cd devops-toolkit-crossplane
 
-# Create a local Kubernetes cluster.
+# Create a local Kubernetes cluster
 
 kubectl create namespace crossplane-system
 
@@ -80,10 +80,10 @@ cat crossplane-config/config-k8s.yaml
 kubectl apply \
     --filename crossplane-config/config-k8s.yaml
 
-cat examples/azure-aks.yaml
+cat examples/k8s/azure-aks.yaml
 
 kubectl --namespace a-team apply \
-    --filename examples/azure-aks.yaml
+    --filename examples/k8s/azure-aks.yaml
 
 kubectl get managed
 
@@ -116,17 +116,17 @@ kubectl apply \
 kubectl apply \
     --filename crossplane-config/config-k8s.yaml
 
-cat examples/azure-aks.yaml
+cat examples/k8s/azure-aks.yaml
 
 kubectl --namespace a-team apply \
-    --filename examples/azure-aks.yaml
+    --filename examples/k8s/azure-aks.yaml
 
 kubectl get managed
 
-# Set `spec.parameters.nodeSize` to `5` in `examples/azure-aks.yaml`
+# Set `spec.parameters.nodeSize` to `5` in `examples/k8s/azure-aks.yaml`
 
 kubectl --namespace a-team apply \
-    --filename examples/azure-aks.yaml
+    --filename examples/k8s/azure-aks.yaml
 
 kubectl get managed
 
@@ -145,6 +145,6 @@ unset KUBECONFIG
 
 az group delete --name ateamaks
 
-cat examples/azure-aks.yaml \
+cat examples/k8s/azure-aks.yaml \
     | sed -e "s@minNodeCount: .*@minNodeCount: 3@g" \
-    | tee examples/azure-aks.yaml
+    | tee examples/k8s/azure-aks.yaml
diff --git a/138-crossplane-chicken-egg.sh b/138-crossplane-chicken-egg.sh
@@ -0,0 +1,150 @@
+# Source: https://gist.github.com/2e67c67a36a2e782422ebefb4a0a2612
+
+git clone https://github.com/vfarcic/devops-toolkit-crossplane
+
+cd devops-toolkit-crossplane
+
+# Create a local Kubernetes cluster.
+
+kubectl create namespace crossplane-system
+
+kubectl create namespace a-team
+
+#########
+# Azure #
+#########
+
+az ad sp create-for-rbac \
+    --sdk-auth \
+    --role Owner \
+    | tee azure-creds.json
+
+export AZURE_CLIENT_ID=$(\
+    cat azure-creds.json \
+    | grep clientId \
+    | cut -c 16-51)
+
+export AAD_GRAPH_API=00000003-0000-0000-c000-000000000000
+
+az ad app permission add \
+    --id "${AZURE_CLIENT_ID}" \
+    --api ${AAD_GRAPH_API} \
+    --api-permissions \
+    e1fe6dd8-ba31-4d61-89e7-88639da4683d=Scope \
+    06da0dbc-49e2-44d2-8312-53f166ab848a=Scope \
+    7ab1d382-f21e-4acd-a863-ba3e13f7da61=Role
+
+az ad app permission grant \
+    --id $AZURE_CLIENT_ID \
+    --api $AAD_GRAPH_API \
+    --expires never
+
+az ad app permission admin-consent \
+    --id "${AZURE_CLIENT_ID}"
+
+kubectl --namespace crossplane-system \
+    create secret generic azure-creds \
+    --from-file creds=./azure-creds.json
+
+####################
+# Setup Crossplane #
+####################
+
+helm repo add crossplane-stable \
+    https://charts.crossplane.io/stable
+
+helm repo update
+
+helm upgrade --install \
+    crossplane crossplane-stable/crossplane \
+    --namespace crossplane-system \
+    --create-namespace \
+    --wait
+
+kubectl apply \
+    --filename crossplane-config/provider-azure.yaml
+
+kubectl apply \
+    --filename crossplane-config/provider-config-azure.yaml
+
+# Please re-run the previous command if the output is `unable to recognize ...`
+
+########
+# Demo #
+########
+
+# Already running Crossplane in a temp cluster
+
+cat crossplane-config/config-k8s.yaml
+
+kubectl apply \
+    --filename crossplane-config/config-k8s.yaml
+
+cat examples/azure-aks.yaml
+
+kubectl --namespace a-team apply \
+    --filename examples/azure-aks.yaml
+
+kubectl get managed
+
+# Shut down the temporary cluster
+
+export KUBECONFIG=$PWD/kubeconfig.yaml
+
+# Get KubeConfig of the newly created cluster
+
+kubectl create namespace crossplane-system
+
+kubectl create namespace a-team
+
+kubectl --namespace crossplane-system \
+    create secret generic azure-creds \
+    --from-file creds=./azure-creds.json
+
+helm upgrade --install \
+    crossplane crossplane-stable/crossplane \
+    --namespace crossplane-system \
+    --create-namespace \
+    --wait
+
+kubectl apply \
+    --filename crossplane-config/provider-azure.yaml
+
+kubectl apply \
+    --filename crossplane-config/provider-config-azure.yaml
+
+kubectl apply \
+    --filename crossplane-config/config-k8s.yaml
+
+cat examples/azure-aks.yaml
+
+kubectl --namespace a-team apply \
+    --filename examples/azure-aks.yaml
+
+kubectl get managed
+
+# Set `spec.parameters.nodeSize` to `5` in `examples/azure-aks.yaml`
+
+kubectl --namespace a-team apply \
+    --filename examples/azure-aks.yaml
+
+kubectl get managed
+
+kubectl get nodes
+
+kubectl describe kubernetescluster ateamaks
+
+# This works only with resources that can be named explicitly. Otherwise, we'd need to use the `external-name` label.
+# Open https://github.com/crossplane/crossplane/blob/master/design/one-pager-managed-resource-api-design.md#external-resource-name
+
+###########
+# Destroy #
+###########
+
+unset KUBECONFIG
+
+az group delete --name ateamaks
+
+cat examples/azure-aks.yaml \
+    | sed -e "s@minNodeCount: .*@minNodeCount: 3@g" \
+    | tee examples/azure-aks.yaml
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