Initial commit.

bin/create-vcluster.sh

@@ -0,0 +1,75 @@
+#!/bin/sh
+
+set -e
+
+# VARIABLES
+# Relative PATH to the workdir from the script directory
+WORK_DIR_RELPATH="../vcluster"
+
+# Compute WORKDIR
+SCRIPT="$(readlink -f "$0")"
+SCRIPT_DIR="$(dirname "$SCRIPT")"
+WORK_DIR="$(readlink -f "$SCRIPT_DIR/$WORK_DIR_RELPATH")"
+
+# Update the PATH to add the arkade bin directory
+# Add the arkade binary directory to the path if missing
+case ":${PATH}:" in
+  *:"${HOME}/.arkade/bin":*) ;;
+  *) export PATH="${PATH}:${HOME}/.arkade/bin" ;;
+esac
+
+# Go to the working directory
+cd "$WORK_DIR" || exit 1
+
+echo "=> Creating or updating the vcluster"
+vcluster create my-vcluster --namespace my-vcluster --upgrade --connect=false \
+  --values vcluster.yaml
+
+echo "=> Adding a traefik ingress route tcp to the vcluster api"
+kubectl apply -f ingress_route_tcp.yaml
+
+echo "=> Exporting vcluster kubeconfig"
+tries="0"
+while true; do
+  if kubectl get -n my-vcluster secret/my-vcluster-kubeconfig >/dev/null 2>&1; then
+    # Dump the kubeconfig if available
+    kubectl get -n my-vcluster secret/my-vcluster-kubeconfig \
+      --template="{{.data.config}}" | base64 -d > ~/.kube/my-vcluster-config
+    echo "KubeConfig dumped to '~/.kube/my-vcluster-config'"
+    break
+  fi
+  tries="$((tries + 1))"
+  echo "KubeConfig not avaliable after attempt '$tries'"
+  if [ "$tries" -lt "10" ]; then
+    sleep 5
+  else
+    break
+  fi
+done
+
+if [ "$tries" -eq "10" ]; then
+  echo "=> Failed to get the vcluster kubeconfig, try again"
+  exit 1
+fi
+
+cat <<EOF
+=> NOTE
+Overwrite the KUBECONFIG variable to access the vcluster with 'kubectl':
+
+  KUBECONFIG=~/.kube/my-vcluster-config kubectl
+
+You can define the following 'vkubectl' alias to make it easier:
+
+  alias vkubectl="KUBECONFIG=~/.kube/my-vcluster-config kubectl"
+
+Or you can merge it with the one on the KUBECONFIG variable and use 'kubectx' or
+a similar tool to change the context (for our vcluster the context will be
+'my-vcluster_k3d-argocd').
+
+If your KUBECONFIG variable is defined and only has the path to a single file
+you can merge it with the vcluster config running the following:
+
+  KUBECONFIG="\$KUBECONFIG:~/.kube/my-vcluster-config" \\
+    kubectl config view --flatten > "\$KUBECONFIG.new";
+  mv "\$KUBECONFIG.new" "\$KUBECONFIG"
+EOF