feat: prepare e2e test environment

.dockerignore

@@ -1,4 +1,3 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
 # Ignore build and test binaries.
-bin/
 testbin/

Tiltfile

@@ -0,0 +1,67 @@
+# -*- mode: Python -*-
+
+kubectl_cmd = "kubectl"
+
+# verify kubectl command exists
+if str(local("command -v " + kubectl_cmd + " || true", quiet = True)) == "":
+    fail("Required command '" + kubectl_cmd + "' not found in PATH")
+
+# Use kustomize to build the install yaml files
+install = kustomize('config/default')
+
+# Update the root security group. Tilt requires root access to update the
+# running process.
+objects = decode_yaml_stream(install)
+for o in objects:
+    if o.get('kind') == 'Deployment' and o.get('metadata').get('name') == 'git-sync-controller':
+        o['spec']['template']['spec']['securityContext']['runAsNonRoot'] = False
+        break
+
+updated_install = encode_yaml_stream(objects)
+
+# Apply the updated yaml to the cluster.
+# Allow duplicates so the e2e test can include this tilt file with other tilt files
+# setting up the same namespace.
+k8s_yaml(updated_install, allow_duplicates = True)
+
+load('ext://restart_process', 'docker_build_with_restart')
+
+# enable hot reloading by doing the following:
+# - locally build the whole project
+# - create a docker imagine using tilt's hot-swap wrapper
+# - push that container to the local tilt registry
+# Once done, rebuilding now should be a lot faster since only the relevant
+# binary is rebuilt and the hot swat wrapper takes care of the rest.
+local_resource(
+    'git-sync-controller-binary',
+    'CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o bin/manager ./',
+    deps = [
+        "main.go",
+        "go.mod",
+        "go.sum",
+        "api",
+        "controllers",
+        "pkg",
+    ],
+)
+
+# Build the docker image for our controller. We use a specific Dockerfile
+# since tilt can't run on a scratch container.
+# `only` here is important, otherwise, the container will get updated
+# on _any_ file change. We only want to monitor the binary.
+# If debugging is enabled, we switch to a different docker file using
+# the delve port.
+entrypoint = ['/manager']
+dockerfile = 'tilt.dockerfile'
+docker_build_with_restart(
+    'ghcr.io/open-component-model/git-sync-controller',
+    '.',
+    dockerfile = dockerfile,
+    entrypoint = entrypoint,
+    only=[
+      './bin',
+    ],
+    live_update = [
+        sync('./bin/manager', '/manager'),
+    ],
+)

config/manager/kustomization.yaml

@@ -7,5 +7,5 @@ images:
   newName: controller
   newTag: latest
 - name: open-component-model/git-sync-controller
-  newName: localhost:5001/open-component-model/git-sync-controller
-  newTag: v0.0.1
+  newName: ghcr.io/open-component-model/git-sync-controller
+  newTag: latest

tilt.dockerfile

@@ -0,0 +1,5 @@
+FROM alpine
+WORKDIR /
+COPY ./bin/manager /manager
+
+ENTRYPOINT ["/manager"]