🌱 Tiltfile: Parameterize kustomize and main.go for providers

Tiltfile

@@ -117,6 +117,10 @@ def load_provider_tiltfiles():
                 provider_config["context"] = repo + "/" + provider_config["context"]
             else:
                 provider_config["context"] = repo
+            if "kustomize_config" not in provider_config:
+                provider_config["kustomize_config"] = True
+            if "go_main" not in provider_config:
+                provider_config["go_main"] = "main.go"
             providers[provider_name] = provider_config
 
 tilt_helper_dockerfile_header = """
@@ -172,6 +176,7 @@ def enable_provider(name):
     p = providers.get(name)
 
     context = p.get("context")
+    go_main = p.get("go_main")
 
     # Prefix each live reload dependency with context. For example, for if the context is
     # test/infra/docker and main.go is listed as a dep, the result is test/infra/docker/main.go. This adjustment is
@@ -181,10 +186,10 @@ def enable_provider(name):
         live_reload_deps.append(context + "/" + d)
 
     # Set up a local_resource build of the provider's manager binary. The provider is expected to have a main.go in
-    # manager_build_path. The binary is written to .tiltbuild/manager.
+    # manager_build_path or the main.go must be provided via go_main option. The binary is written to .tiltbuild/manager.
     local_resource(
         name + "_manager",
-        cmd = "cd " + context + ';mkdir -p .tiltbuild;CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags \'-extldflags "-static"\' -o .tiltbuild/manager',
+        cmd = "cd " + context + ';mkdir -p .tiltbuild;CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags \'-extldflags "-static"\' -o .tiltbuild/manager ' + go_main,
         deps = live_reload_deps,
     )
 
@@ -218,15 +223,16 @@ def enable_provider(name):
         ],
     )
 
-    # Copy all the substitutions from the user's tilt-settings.json into the environment. Otherwise, the substitutions
-    # are not available and their placeholders will be replaced with the empty string when we call kustomize +
-    # envsubst below.
-    substitutions = settings.get("kustomize_substitutions", {})
-    os.environ.update(substitutions)
+    if p.get("kustomize_config"):
+        # Copy all the substitutions from the user's tilt-settings.json into the environment. Otherwise, the substitutions
+        # are not available and their placeholders will be replaced with the empty string when we call kustomize +
+        # envsubst below.
+        substitutions = settings.get("kustomize_substitutions", {})
+        os.environ.update(substitutions)
 
-    # Apply the kustomized yaml for this provider
-    yaml = str(kustomize_with_envsubst(context + "/config"))
-    k8s_yaml(blob(yaml))
+        # Apply the kustomized yaml for this provider
+        yaml = str(kustomize_with_envsubst(context + "/config"))
+        k8s_yaml(blob(yaml))
 
 # Prepull all the cert-manager images to your local environment and then load them directly into kind. This speeds up
 # setup if you're repeatedly destroying and recreating your kind cluster, as it doesn't have to pull the images over

docs/book/src/developer/tilt.md

@@ -148,7 +148,7 @@ base64 -i ~/path/to/gcp/credentials.json
 Set to `manual` to disable auto-rebuilding and require users to trigger rebuilds of individual changed components through the UI.
 
 **extra_args** (Object, default={}): A mapping of provider to additional arguments to pass to the main binary configured
-for this provider. Each item in the array will be passed in to the manager for the given provider. 
+for this provider. Each item in the array will be passed in to the manager for the given provider.
 
 Example:
 
@@ -229,6 +229,11 @@ COPY --from=tilt-helper /usr/bin/docker /usr/bin/docker
 COPY --from=tilt-helper /go/kubernetes/client/bin/kubectl /usr/bin/kubectl
 ```
 
+**kustomize_config** (Bool, default=true): Whether or not running kustomize on the ./config folder of the provider.
+Set to `false` if your provider does not have a ./config folder or you do not want it to be applied in the cluster.
+
+**go_main** (String, default="main.go"): The go main file if not located at the root of the folder
+
 ## Customizing Tilt
 
 If you need to customize Tilt's behavior, you can create files in cluster-api's `tilt.d` directory. This file is ignored