build: add librarian-release image for dogfooding release process

fix test

fix

fix format

remove file

Author: chingor13

.librarian/state.yaml

@@ -0,0 +1,8 @@
+image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/librarian-release:latest
+libraries:
+  - id: librarian
+    version: 0.1.1
+    last_generated_commit: 97a83d76a09a7f6dcab43675c87bdfeb5bcf1cb5
+    source_roots:
+      - "internal"
+    tag_format: "v{version}"

all_test.go

@@ -54,6 +54,7 @@ var ignoredDirs = []string{
 	".git",
 	".idea",
 	".vscode",
+	"infra",
 	"testdata",
 }
 

cloudbuild-exitgate.yaml

@@ -20,6 +20,21 @@
 # published to the 'images-prod' repository.
 steps:
   - name: 'gcr.io/cloud-builders/docker'
-    args: ['build', '-t', 'us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-dev/librarian', '.']
+    waitFor: ['-']
+    args: 
+      - 'build'
+      - '-t'
+      - 'us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-dev/librarian'
+      - '.'
+  - name: 'gcr.io/cloud-builders/docker'
+    waitFor: ['-']
+    args:
+      - 'build'
+      - '-f'
+      - 'infra/container/Dockerfile'
+      - '-t'
+      - 'us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-dev/librarian-release'
+      - '.'
 images:
   - 'us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-dev/librarian'
+  - 'us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-dev/librarian-release'

infra/container/Dockerfile

@@ -0,0 +1,26 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM marketplace.gcr.io/google/ubuntu2404 AS builder
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      jq \
+    && apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY infra/container/run.sh /app/run.sh
+
+ENTRYPOINT [ "/app/run.sh" ]

infra/container/run.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+echo "in release container"
+cat /librarian/release-init-request.json
+
+ls -al /librarian
+ls -al /repo
+ls -al /output
+
+new_version=$(jq -r '.libraries[0].version' /librarian/release-init-request.json)
+echo "release version: ${new_version}"
+mkdir /output/internal/
+echo "${new_version}" > /output/internal/version.txt
+
+ls -al /output
+
+echo "writing empty response"
+echo "{}" > /librarian/release-init-response.json