chore: change bazel example (#9218)

* chore: change bazel example

* chore: update bazel example

* chore: remove redundant dirs

* chore: change example project schema version

examples/bazel/.bazelrc

@@ -0,0 +1 @@
+common --enable_bzlmod

examples/bazel/.bazelversion

@@ -0,0 +1 @@
+6.1.0

examples/bazel/.gitignore

@@ -0,0 +1,2 @@
+node_modules
+bazel-*

examples/bazel/BUILD.bazel

@@ -0,0 +1,53 @@
+load("@aspect_bazel_lib//lib:transitions.bzl", "platform_transition_filegroup")
+load("@rules_go//go:def.bzl", "go_binary", "go_library")
+load("@rules_oci//oci:defs.bzl", "oci_image", "oci_tarball")
+load("@rules_pkg//:pkg.bzl", "pkg_tar")
+
+go_library(
+    name = "app_lib",
+    srcs = ["main.go"],
+    importpath = "example.com/custom_registry/app",
+    visibility = ["//visibility:private"],
+)
+
+go_binary(
+    name = "app",
+    embed = [":app_lib"],
+    visibility = ["//visibility:public"],
+)
+
+# Put app go_binary into a tar layer.
+pkg_tar(
+    name = "app_layer",
+    srcs = [":app"],
+    # If the binary depends on RUNFILES, uncomment the attribute below.
+    # include_runfiles = True
+)
+
+oci_image(
+    name = "image",
+    base = "@distroless_base",
+    entrypoint = ["/app"],
+    tars = [":app_layer"],
+)
+
+# This is the target that should be released to the target platform
+platform_transition_filegroup(
+    name = "transitioned_image",
+    srcs = [":image"],
+    target_platform = select({
+        "@platforms//cpu:arm64": "@rules_go//go/toolchain:linux_arm64",
+        "@platforms//cpu:x86_64": "@rules_go//go/toolchain:linux_amd64",
+    }),
+)
+
+# $ bazel build :tarball
+# $ docker load --input $(bazel cquery --output=files :tarball)
+# $ docker run --rm gcr.io/example:latest
+
+oci_tarball(
+    name = "skaffold-example.tar",
+    # Use the image built for the exec platform rather than the target platform
+    image = ":image",
+    repo_tags = ["gcr.io/example:latest"],
+)

examples/bazel/MODULE.bazel

@@ -0,0 +1,28 @@
+bazel_dep(name = "aspect_bazel_lib", version = "1.31.1")
+bazel_dep(name = "gazelle", version = "0.31.0")
+bazel_dep(name = "platforms", version = "0.0.5")
+bazel_dep(name = "rules_oci", version = "1.2.0")
+bazel_dep(name = "rules_pkg", version = "0.8.1")
+bazel_dep(name = "rules_go", version = "0.39.1")
+
+go_deps = use_extension("@gazelle//:extensions.bzl", "go_deps")
+
+go_deps.module(
+    path = "github.com/google/go-cmp",
+    sum = "h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=",
+    version = "v0.5.9",
+)
+
+oci = use_extension("@rules_oci//oci:extensions.bzl", "oci")
+
+oci.pull(
+    name = "distroless_base",
+    digest = "sha256:ccaef5ee2f1850270d453fdf700a5392534f8d1a8ca2acda391fbb6a06b81c86",
+    image = "gcr.io/distroless/base",
+    platforms = [
+        "linux/amd64",
+        "linux/arm64",
+    ],
+)
+
+use_repo(oci, "distroless_base")

examples/bazel/README.md

@@ -9,12 +9,12 @@ The way you configure it in `skaffold.yaml` is the following build stanza:
 ```yaml
 build:
   artifacts:
-  - image: skaffold-example
+  - image: skaffold-bazel
     context: .
     bazel:
       target: //:skaffold_example.tar
 ```
 
 1. make sure the `context` contains the bazel files (`WORKSPACE`, `BUILD`)
 2. add `bazel` section to each artifact
-3. specify `target` - our builder will use this to load to the image to the Docker daemon
+3. specify `target` - our builder will use this to load to the image to the Docker daemon

examples/bazel/WORKSPACE.bazel

@@ -0,0 +1 @@
+# Marker file: this is the root of a Bazel workspace

integration/examples/bazel/k8s/k8s-pod.yaml → examples/bazel/deploy.yaml

@@ -4,5 +4,5 @@ metadata:
   name: bazel
 spec:
   containers:
-  - name: bazel
-    image: skaffold-bazel
+    - name: bazel
+      image: skaffold-bazel

examples/bazel/main.go

@@ -7,7 +7,8 @@ import (
 
 func main() {
 	for {
-		fmt.Println("Hello bazel!!!!")
+		fmt.Println("Hello world!")
+
 		time.Sleep(time.Second * 1)
 	}
 }

examples/bazel/skaffold.yaml

@@ -1,7 +1,16 @@
 apiVersion: skaffold/v4beta8
 kind: Config
+metadata:
+  name: hello
 build:
+  tagPolicy:
+    sha256: {}
   artifacts:
-  - image: skaffold-bazel
-    bazel:
-      target: //:skaffold_example.tar
+    - image: skaffold-bazel
+      bazel:
+        target: //:skaffold-example.tar
+deploy:
+  kubectl: {}
+manifests:
+  rawYaml:
+    - "deploy.yaml"

integration/examples/bazel/.bazelrc

@@ -0,0 +1 @@
+common --enable_bzlmod

integration/examples/bazel/.bazelversion

@@ -0,0 +1 @@
+6.1.0

integration/examples/bazel/.gitignore

@@ -0,0 +1,2 @@
+node_modules
+bazel-*

integration/examples/bazel/BUILD.bazel

@@ -0,0 +1,53 @@
+load("@aspect_bazel_lib//lib:transitions.bzl", "platform_transition_filegroup")
+load("@rules_go//go:def.bzl", "go_binary", "go_library")
+load("@rules_oci//oci:defs.bzl", "oci_image", "oci_tarball")
+load("@rules_pkg//:pkg.bzl", "pkg_tar")
+
+go_library(
+    name = "app_lib",
+    srcs = ["main.go"],
+    importpath = "example.com/custom_registry/app",
+    visibility = ["//visibility:private"],
+)
+
+go_binary(
+    name = "app",
+    embed = [":app_lib"],
+    visibility = ["//visibility:public"],
+)
+
+# Put app go_binary into a tar layer.
+pkg_tar(
+    name = "app_layer",
+    srcs = [":app"],
+    # If the binary depends on RUNFILES, uncomment the attribute below.
+    # include_runfiles = True
+)
+
+oci_image(
+    name = "image",
+    base = "@distroless_base",
+    entrypoint = ["/app"],
+    tars = [":app_layer"],
+)
+
+# This is the target that should be released to the target platform
+platform_transition_filegroup(
+    name = "transitioned_image",
+    srcs = [":image"],
+    target_platform = select({
+        "@platforms//cpu:arm64": "@rules_go//go/toolchain:linux_arm64",
+        "@platforms//cpu:x86_64": "@rules_go//go/toolchain:linux_amd64",
+    }),
+)
+
+# $ bazel build :tarball
+# $ docker load --input $(bazel cquery --output=files :tarball)
+# $ docker run --rm gcr.io/example:latest
+
+oci_tarball(
+    name = "skaffold-example.tar",
+    # Use the image built for the exec platform rather than the target platform
+    image = ":image",
+    repo_tags = ["gcr.io/example:latest"],
+)

integration/examples/bazel/MODULE.bazel

@@ -0,0 +1,28 @@
+bazel_dep(name = "aspect_bazel_lib", version = "1.31.1")
+bazel_dep(name = "gazelle", version = "0.31.0")
+bazel_dep(name = "platforms", version = "0.0.5")
+bazel_dep(name = "rules_oci", version = "1.2.0")
+bazel_dep(name = "rules_pkg", version = "0.8.1")
+bazel_dep(name = "rules_go", version = "0.39.1")
+
+go_deps = use_extension("@gazelle//:extensions.bzl", "go_deps")
+
+go_deps.module(
+    path = "github.com/google/go-cmp",
+    sum = "h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=",
+    version = "v0.5.9",
+)
+
+oci = use_extension("@rules_oci//oci:extensions.bzl", "oci")
+
+oci.pull(
+    name = "distroless_base",
+    digest = "sha256:ccaef5ee2f1850270d453fdf700a5392534f8d1a8ca2acda391fbb6a06b81c86",
+    image = "gcr.io/distroless/base",
+    platforms = [
+        "linux/amd64",
+        "linux/arm64",
+    ],
+)
+
+use_repo(oci, "distroless_base")

integration/examples/bazel/README.md

@@ -9,12 +9,12 @@ The way you configure it in `skaffold.yaml` is the following build stanza:
 ```yaml
 build:
   artifacts:
-  - image: skaffold-example
+  - image: skaffold-bazel
     context: .
     bazel:
       target: //:skaffold_example.tar
 ```
 
 1. make sure the `context` contains the bazel files (`WORKSPACE`, `BUILD`)
 2. add `bazel` section to each artifact
-3. specify `target` - our builder will use this to load to the image to the Docker daemon
+3. specify `target` - our builder will use this to load to the image to the Docker daemon

integration/examples/bazel/WORKSPACE.bazel

@@ -0,0 +1 @@
+# Marker file: this is the root of a Bazel workspace

examples/bazel/k8s/k8s-pod.yaml → integration/examples/bazel/deploy.yaml

@@ -4,5 +4,5 @@ metadata:
   name: bazel
 spec:
   containers:
-  - name: bazel
-    image: skaffold-bazel
+    - name: bazel
+      image: skaffold-bazel

integration/examples/bazel/main.go

@@ -7,7 +7,8 @@ import (
 
 func main() {
 	for {
-		fmt.Println("Hello bazel!!!!")
+		fmt.Println("Hello world!")
+
 		time.Sleep(time.Second * 1)
 	}
 }