Add fleet provisioning scripts

.gitignore

@@ -19,3 +19,5 @@
 
 # Go workspace file
 go.work
+
+bin/

scripts/fleet-up.sh

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# This script creates a fleet of Kubernetes clusters using kind.
+
+# Copyright 2024 The Flux authors. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+# Prerequisites
+# - docker v25.0
+# - kind v0.22
+# - kubectl v1.29
+
+set -o errexit
+set -o pipefail
+
+repo_root=$(git rev-parse --show-toplevel)
+mkdir -p "${repo_root}/bin"
+
+CLUSTER_VERSION="${CLUSTER_VERSION:=v1.29.2}"
+
+CLUSTER_HUB="flux-hub"
+echo "INFO - Creating cluster ${CLUSTER_HUB}"
+
+kind create cluster --name "${CLUSTER_HUB}" \
+--image "kindest/node:${CLUSTER_VERSION}" \
+--wait 5m
+
+CLUSTER_STAGING="flux-staging"
+echo "INFO - Creating cluster ${CLUSTER_STAGING}"
+
+kind create cluster --name "${CLUSTER_STAGING}" \
+--image "kindest/node:${CLUSTER_VERSION}" \
+--wait 5m
+
+CLUSTER_PRODUCTION="flux-production"
+echo "INFO - Creating cluster ${CLUSTER_PRODUCTION}"
+
+kind create cluster --name "${CLUSTER_PRODUCTION}" \
+--image "kindest/node:${CLUSTER_VERSION}" \
+--wait 5m
+
+echo "INFO - Creating kubeconfig secrets in the hub cluster"
+
+kubectl config use-context "kind-${CLUSTER_HUB}"
+
+kind get kubeconfig --internal --name ${CLUSTER_STAGING} > "${repo_root}/bin/staging.kubeconfig"
+kubectl --context "kind-${CLUSTER_HUB}" create ns staging
+kubectl --context "kind-${CLUSTER_HUB}" create secret generic -n staging cluster-kubeconfig \
+--from-file=value="${repo_root}/bin/staging.kubeconfig"
+
+kind get kubeconfig --internal --name ${CLUSTER_PRODUCTION} > "${repo_root}/bin/production.kubeconfig"
+kubectl --context "kind-${CLUSTER_HUB}" create ns production
+kubectl --context "kind-${CLUSTER_HUB}" create secret generic -n production cluster-kubeconfig \
+--from-file=value="${repo_root}/bin/production.kubeconfig"
+
+echo "INFO - Clusters created successfully"

scripts/flux-up.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+# This script configures Flux on the hub cluster.
+
+# Copyright 2024 The Flux authors. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+set -o errexit
+set -o pipefail
+
+repo_root=$(git rev-parse --show-toplevel)
+mkdir -p "${repo_root}/bin"
+
+CLUSTER_VERSION="${CLUSTER_VERSION:=v1.29.2}"
+
+CLUSTER_HUB="flux-hub"
+
+echo "INFO - Installing Flux in the hub cluster"
+
+flux --context "kind-${CLUSTER_HUB}" install \
+--components-extra=image-reflector-controller,image-automation-controller
+
+flux --context "kind-${CLUSTER_HUB}" create source git flux-system \
+--url=https://github.com/fluxcd/flux2-hub-spoke-example \
+--branch=main \
+--interval=1m \
+--username=git \
+--password=${GITHUB_TOKEN}
+
+flux --context "kind-${CLUSTER_HUB}" create kustomization flux-system \
+--source=GitRepository/flux-system \
+--ignore-paths="hub/flux-system/"
+--path="./hub" \
+--prune=true \
+--interval=10m
+
+echo "INFO - Flux configured successfully"