Introduce dummy program to help with API releases.

releasing/README.md

@@ -70,19 +70,15 @@ require sigs.k8s.io/kustomize/v4 v4.0.1
 
 #### Release artifacts
 
+This is a Go library only release, so the only
+artifact per se is the repo tag, in the form `v4.3.2`,
+that API clients can `require` from their `go.mod` file.
+
 Release notes should appear on the [release page].
 
-[release notes generator]: https://github.com/kubernetes-sigs/controller-runtime/blob/master/hack/release/release-notes.sh
-
-> TODO: install a decent library [release notes generator].
-> Until then, just run something like
-> ```
-> git log --pretty="%h - %s (%aN)" v3.1.0..v3.2.0
-> ```
-> and summarize the results via the [release page] UX.
-
-There's no binary, just a repo tag in the form `v4.3.2`
-that others can `require` from their `go.mod` files.
+There's an executable called `kustapiversion`, which, if
+run, prints the API release provenance data, but it's of
+no practical use to an API client.
 
 ### sigs.k8s.io/kustomize/pluginator
 
@@ -201,7 +197,7 @@ fi
 Install [`cloud-build-local`], then run
 
 ```
-./releasing/localbuild.sh (kustomize|pluginator)
+./releasing/localbuild.sh (kustomize|pluginator|api)
 ```
 
 This should create release artifacts in a local directory.

releasing/cloudbuild.sh

@@ -7,16 +7,21 @@ set -x
 module=$1
 shift
 
+executable=$module
 if [ "$module" == "api" ]; then
-  echo "goreleaser only releases 'main' packages (executables)"
-  echo "See https://github.com/goreleaser/goreleaser/issues/981"
-  exit 1
+  # For this module, there's no correspondingly named
+  # sub-directory, since the module is at the repo root.
+  # There is, however, a dummy executable in a sub-directory.
+  # Build that executable, primarily to give goreleaser
+  # something to coordinate it release process around.
+  executable=kustapiversion
 fi
 
-config=$(mktemp)
+cd $executable
 
-cat <<EOF >$config
-project_name: $module
+configFile=$(mktemp)
+cat <<EOF >$configFile
+project_name: $executable
 env:
 - CGO_ENABLED=0
 - GO111MODULE=on
@@ -34,29 +39,14 @@ release:
   github:
     owner: kubernetes-sigs
     name: kustomize
-EOF
+builds:
+- binary: $executable
+  ldflags: >
+    -s
+    -X sigs.k8s.io/kustomize/v3/provenance.version={{.Version}}
+    -X sigs.k8s.io/kustomize/v3/provenance.gitCommit={{.Commit}}
+    -X sigs.k8s.io/kustomize/v3/provenance.buildDate={{.Date}}
 
-case "$module" in
-  kustomize)
-    cat <<EOF >>$config
-builds:
-- main: ./main.go
-  binary: kustomize
-  ldflags: -s -X sigs.k8s.io/kustomize/kustomize/v3/provenance.version={{.Version}} -X sigs.k8s.io/kustomize/kustomize/v3/provenance.gitCommit={{.Commit}} -X sigs.k8s.io/kustomize/kustomize/v3/provenance.buildDate={{.Date}}
-  goos:
-  - linux
-  - darwin
-  - windows
-  goarch:
-   - amd64
-archive:
-  format: binary
-EOF
-    ;;
-  pluginator)
-    cat <<EOF >>$config
-builds:
-- binary: pluginator
   goos:
   - linux
   - darwin
@@ -64,20 +54,9 @@ builds:
   goarch:
    - amd64
 EOF
-    ;;
-  *)
-    echo "Don't recognize module $module"
-    exit 1
-    ;;  
-esac
 
-cat $config
+cat $configFile
 
-if [ "$module" != "api" ]; then
-  # goreleaser must be run from the _module_ being released.
-  cd $module
-fi
-
-/bin/goreleaser release --config=$config --rm-dist --skip-validate $@
+/bin/goreleaser release --config=$configFile --rm-dist --skip-validate $@
 
 

releasing/cloudbuild_api.yaml

@@ -0,0 +1,11 @@
+steps:
+- name: "gcr.io/cloud-builders/git"
+  args: [fetch, --tags, --depth=100]
+- name: goreleaser/goreleaser
+  entrypoint: /bin/sh
+  args: ["releasing/cloudbuild.sh", "api"]
+  secretEnv: ['GITHUB_TOKEN']
+secrets:
+- kmsKeyName: projects/kustomize-199618/locations/global/keyRings/github-tokens/cryptoKeys/gh-release-token
+  secretEnv:
+    GITHUB_TOKEN: CiQAyrREbPgXJOeT7M3t+WlxkhXwlMPudixBeiyWTjmLOMLqdK4SUQA0W+xUmDJKAhyfHCcwqSEzUn9OwKC7XAYcmwe0CCKTCbPbDgmioDK24q3LVapndXNvnnHvCjhOJNEr1o+P1DCF+LlzYV2YL8lP09rrKrslPg==

releasing/localbuild.sh

@@ -17,8 +17,8 @@
 # applied to the kustomize repo, the cloud builder
 # reads the repository-relative file
 #
-#   releasing/cloudbuild_(kustomize|pluginator).yaml
-#  
+#   releasing/cloudbuild_(kustomize|pluginator|api).yaml
+#
 # Inside this yaml file is a reference to the script
 #
 #   releasing/cloudbuild.sh
@@ -34,9 +34,6 @@ set -e
 module=$1
 case "$module" in
   api)
-    echo "goreleaser only releases 'main' packages (executables)"
-    echo "See https://github.com/goreleaser/goreleaser/issues/981"
-    exit 1
   ;;
   kustomize)
   ;;
@@ -51,7 +48,8 @@ esac
 config=$(mktemp)
 cp releasing/cloudbuild_${module}.yaml $config
 
-# Delete the cloud-builders/git step.
+# Delete the cloud-builders/git step, which isn't needed
+# for a local run.
 sed -i '2,3d'  $config
 
 # Add the --snapshot flag to suppress the
@@ -74,5 +72,9 @@ cloud-build-local \
 echo " "
 echo "Result of local build:"
 echo "##########################################"
-tree ./$module/dist
+if [ "$module" == "api" ]; then
+  tree ./kustapiversion/dist
+else
+  tree ./$module/dist
+fi
 echo "##########################################"