Add build kind

Author: JohanLorenzo

backend/build.sh

@@ -14,4 +14,4 @@ printf '{"commit": "%s", "version": "%s", "source": "%s", "build": "%s"}\n' \
 # Run 'taskboot build' with our local copy of the Git repository where we updated the version.json with correct values.
 # To do so, we use '--target /path/to/existing/clone' instead of passing environment variables (GIT_REPOSITORY, GIT_REVISION)
 # to taskboot that would activate an automated clone.
-taskboot --target /code-review build --image mozilla/code-review --tag "$CHANNEL" --tag "$COMMIT_SHA" --write /backend.tar backend/Dockerfile
+taskboot --target . build --image mozilla/code-review --tag "$CHANNEL" --tag "$COMMIT_SHA" --write /builds/worker/artifacts/backend.tar backend/Dockerfile

taskcluster/code_review_taskgraph/transforms/build.py

@@ -0,0 +1,26 @@
+from taskgraph.transforms.base import TransformSequence
+
+transforms = TransformSequence()
+
+
+@transforms.add
+def add_index_routes(config, tasks):
+    for task in tasks:
+        params = config.params
+        head_rev = params["head_rev"]
+        head_ref = params["head_ref"]
+
+        if params["tasks_for"] == "github-pull-request":
+            index_prefix = "code-review-pr"
+        else:
+            index_prefix = "code-review"
+
+        trust_domain = config.graph_config["trust-domain"]
+        task.setdefault("routes", []).extend(
+            [
+                f"index.{trust_domain}.v2.{index_prefix}.{task['name']}.revision.{head_rev}",
+                f"index.{trust_domain}.v2.{index_prefix}.{task['name']}.branch.{head_ref}",
+            ]
+        )
+
+        yield task

taskcluster/kinds/build/kind.yml

@@ -0,0 +1,68 @@
+loader: taskgraph.loader.transform:loader
+
+transforms:
+  - code_review_taskgraph.transforms.build
+  - taskgraph.transforms.task_context
+  - taskgraph.transforms.run
+  - taskgraph.transforms.task
+
+kind-dependencies:
+  - lint
+  - test
+
+task-defaults:
+  description: Build {name} Docker image
+  run-on-tasks-for:
+    - github-pull-request
+    - github-push
+  worker-type: b-linux
+  worker:
+    docker-image: { in-tree: taskboot }
+    max-run-time: 3600
+    artifacts:
+      - type: file
+        name: public/code-review-{name}.tar.zst
+        path: /builds/worker/artifacts/{name}.tar.zst
+  run:
+    using: run-task
+    cwd: "{checkout}"
+    run-as-root: true
+  dependencies:
+    lint: lint-pre-commit
+  task-context:
+    from-parameters:
+      channel: channel
+      head_rev: head_rev
+      head_ref: head_ref
+      head_repository: head_repository
+    substitution-fields:
+      - description
+      - run.command
+      - worker.artifacts
+
+tasks:
+  bot:
+    run:
+      command: >-
+        taskboot --target /builds/worker/checkouts/vcs
+        build --image mozilla/code-review
+        --tag {channel} --tag {head_rev}
+        --write /builds/worker/artifacts/bot.tar bot/docker/Dockerfile
+    dependencies:
+      test: test-bot
+
+  backend:
+    run:
+      command: backend/build.sh {head_rev} {head_ref} {head_repository} {channel}
+    dependencies:
+      test: test-backend
+
+  integration:
+    run:
+      command: >-
+        taskboot --target /builds/worker/checkouts/vcs
+        build --image mozilla/code-review
+        --tag integration-{channel} --tag integration-{head_rev}
+        --write /builds/worker/artifacts/integration.tar integration/docker/Dockerfile
+    dependencies:
+      test: test-integration