From 7106ebb94361b0c2a7ec4c21bfdbaa0b5d72440f Mon Sep 17 00:00:00 2001
From: Richard Kovacs <kovacsricsi@gmail.com>
Date: Wed, 15 Nov 2023 19:11:21 +0100
Subject: [PATCH] Introduce Tilt for local development (#32)

Co-authored-by: Richard Kovacs <rkovacs@akamai.com>
---
 .gitignore         |  1 +
 Makefile           | 22 ++++++++++++++++++++++
 README.md          | 12 +++++++++++-
 Tiltfile           |  3 +++
 cmd/main.go        |  3 ++-
 ctlptl-config.yaml |  9 +++++++++
 6 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 Tiltfile
 create mode 100644 ctlptl-config.yaml

diff --git a/.gitignore b/.gitignore
index b6023ff33..dbc337bf9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .idea
 bin/*
 cover.out
+kubeconfig
diff --git a/Makefile b/Makefile
index 751cdd771..a9e4b923c 100644
--- a/Makefile
+++ b/Makefile
@@ -125,6 +125,11 @@ deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
 	$(KUSTOMIZE) build config/default | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
 
+.PHONY: tilt-cluster
+tilt-cluster: ctlptl tilt
+	ctlptl apply -f ctlptl-config.yaml
+	tilt up
+
 ##@ Build Dependencies
 
 ## Location to install dependencies to
@@ -135,12 +140,16 @@ $(LOCALBIN):
 ## Tool Binaries
 KUBECTL ?= kubectl
 KUSTOMIZE ?= $(LOCALBIN)/kustomize
+CTLPTL ?= $(LOCALBIN)/ctlptl
 CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
+TILT ?= $(LOCALBIN)/tilt
 ENVTEST ?= $(LOCALBIN)/setup-envtest
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.1.1
+CTLPTL_VERSION ?= v0.8.22
 CONTROLLER_TOOLS_VERSION ?= v0.13.0
+TILT_VERSION ?= 0.33.6
 
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. If wrong version is installed, it will be removed before downloading.
@@ -151,12 +160,25 @@ $(KUSTOMIZE): $(LOCALBIN)
 	fi
 	test -s $(LOCALBIN)/kustomize || GOBIN=$(LOCALBIN) GO111MODULE=on go install sigs.k8s.io/kustomize/kustomize/v5@$(KUSTOMIZE_VERSION)
 
+.PHONY: ctlptl
+ctlptl: $(CTLPTL) ## Download ctlptl locally if necessary. If wrong version is installed, it will be overwritten.
+$(CTLPTL): $(LOCALBIN)
+	test -s $(LOCALBIN)/ctlptl && $(LOCALBIN)/ctlptl version | grep -q $(CTLPTL_VERSION) || \
+	GOBIN=$(LOCALBIN) go install github.com/tilt-dev/ctlptl/cmd/ctlptl@$(CTLPTL_VERSION)
+
+
 .PHONY: controller-gen
 controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. If wrong version is installed, it will be overwritten.
 $(CONTROLLER_GEN): $(LOCALBIN)
 	test -s $(LOCALBIN)/controller-gen && $(LOCALBIN)/controller-gen --version | grep -q $(CONTROLLER_TOOLS_VERSION) || \
 	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
+.PHONY: tilt
+tilt: $(TILT) ## Download tilt locally if necessary. If wrong version is installed, it will be overwritten.
+$(TILT): $(LOCALBIN)
+	test -s $(LOCALBIN)/tilt && $(LOCALBIN)/tilt version | grep -q $(TILT_VERSION) || \
+	(cd $(LOCALBIN) ; curl -fsSL https://github.com/tilt-dev/tilt/releases/download/v$(TILT_VERSION)/tilt.$(TILT_VERSION).linux.x86_64.tar.gz | tar -xzv tilt)
+
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
 $(ENVTEST): $(LOCALBIN)
diff --git a/README.md b/README.md
index 47c5006d3..50f69daef 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,12 @@
 # Cluster API Provider Linode
-A [Cluster API](https://cluster-api.sigs.k8s.io/) implementation for the [Linode](https://www.linode.com/) to create kubernetes clusters.
\ No newline at end of file
+A [Cluster API](https://cluster-api.sigs.k8s.io/) implementation for the [Linode](https://www.linode.com/) to create kubernetes clusters.
+
+### Local development with Tilt
+
+For local development execute the following `make` target:
+
+```bash
+make tilt-cluster
+```
+
+This command creates a Kind cluster, and deploys resources via Tilt. You can freely change the code and wait for Tilt to update provider.
diff --git a/Tiltfile b/Tiltfile
new file mode 100644
index 000000000..74a838d35
--- /dev/null
+++ b/Tiltfile
@@ -0,0 +1,3 @@
+docker_build("controller", ".")
+
+k8s_yaml(kustomize('config/default'))
diff --git a/cmd/main.go b/cmd/main.go
index c569c8b8d..d339f6a1f 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -18,9 +18,10 @@ package main
 
 import (
 	"flag"
-	controller2 "github.com/linode/cluster-api-provider-linode/controller"
 	"os"
 
+	controller2 "github.com/linode/cluster-api-provider-linode/controller"
+
 	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
 	// to ensure that exec-entrypoint and run can make use of them.
 	_ "k8s.io/client-go/plugin/pkg/client/auth"
diff --git a/ctlptl-config.yaml b/ctlptl-config.yaml
new file mode 100644
index 000000000..bef997e59
--- /dev/null
+++ b/ctlptl-config.yaml
@@ -0,0 +1,9 @@
+---
+apiVersion: ctlptl.dev/v1alpha1
+kind: Cluster
+product: kind
+kindV1Alpha4Cluster:
+  name: tilt
+  nodes:
+    - role: control-plane
+      image: kindest/node:v1.28.0