Refactor: refactor code changes from main

.cloudbuild/samples_build.yaml

@@ -1,19 +1,19 @@
 steps:
-- name: gcr.io/cloud-devrel-public-resources/java8
+- name: gcr.io/cloud-devrel-public-resources/java11
   entrypoint: ls
   args: [
     '-alt',
   ]
-- name: gcr.io/cloud-devrel-public-resources/java8
+- name: gcr.io/cloud-devrel-public-resources/java11
   entrypoint: curl
   args: [
     '--header',
     'Metadata-Flavor: Google',
     'http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/email'
   ]
-- name: gcr.io/cloud-devrel-public-resources/java8
+- name: gcr.io/cloud-devrel-public-resources/java11
   entrypoint: pwd
-- name: gcr.io/cloud-devrel-public-resources/java8
+- name: gcr.io/cloud-devrel-public-resources/java11
   entrypoint: bash
   args: [
     '.kokoro/build.sh'
@@ -22,7 +22,7 @@ steps:
   - 'JOB_TYPE=samples'
   - 'GOOGLE_CLOUD_PROJECT=cloud-java-ci-sample'
   - 'KOKORO_GITHUB_PULL_REQUEST_NUMBER=$_PR_NUMBER'
-- name: gcr.io/cloud-devrel-public-resources/java8
+- name: gcr.io/cloud-devrel-public-resources/java11
   entrypoint: echo
   args: [
     'Sample job succeeded',

.github/.OwlBot.yaml → .github/.OwlBot-hermetic.yaml

@@ -11,9 +11,6 @@
 # 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.
-
-docker:
-  image: "gcr.io/cloud-devrel-public-resources/owlbot-java:latest"
 deep-remove-regex:
 - "/proto-google-.*/src"
 
@@ -25,8 +22,12 @@ deep-copy-regex:
   dest: "/owl-bot-staging/$1/proto-google-cloud-datastore-$1/src"
 - source: "/google/datastore/admin/(v.*)/.*-java/proto-google-.*/src"
   dest: "/owl-bot-staging/$1/proto-google-cloud-datastore-admin-$1/src"
+- source: "/google/datastore/(v.*)/.*-java/grpc-google-.*/src"
+  dest: "/owl-bot-staging/$1/grpc-google-cloud-datastore-$1/src"
 - source: "/google/datastore/admin/(v.*)/.*-java/grpc-google-.*/src"
   dest: "/owl-bot-staging/$1/grpc-google-cloud-datastore-admin-$1/src"
 # Admin & Data APIs share the same wrapper library.
+- source: "/google/datastore/(v.*)/.*-java/gapic-google-.*/src"
+  dest: "/owl-bot-staging/$1/google-cloud-datastore/src"
 - source: "/google/datastore/admin/(v.*)/.*-java/gapic-google-.*/src"
-  dest: "/owl-bot-staging/$1/google-cloud-datastore/src"
+  dest: "/owl-bot-staging/$1/google-cloud-datastore/src"

.github/dependabot.yml

@@ -18,8 +18,7 @@ updates:
     # it via template in the synthtool repository.
     ignore:
       - dependency-name: "*"
-
-  # rules for the `V3-experimental` branch
+# rules for the `grpc-experimental` branch
   - package-ecosystem: maven
     directory: "/"
     schedule:
@@ -28,4 +27,4 @@ updates:
       # Prefix all commit messages with "deps: "
       prefix: "deps"
     open-pull-requests-limit: 10
-    target-branch: "V3-experimental"
+    target-branch: "grpc-experimental"

.github/generated-files-bot.yml

@@ -6,6 +6,7 @@ externalManifests:
   file: '.github/readme/synth.metadata/synth.metadata'
   jsonpath: '$.generatedFiles[*]'
 ignoreAuthors:
+- 'cloud-java-bot'
 - 'renovate-bot'
 - 'yoshi-automation'
 - 'release-please[bot]'

.github/release-please.yml

@@ -30,3 +30,11 @@ branches:
     handleGHRelease: true
     releaseType: java-backport
     branch: 2.17.x
+  - bumpMinorPreMajor: true
+    handleGHRelease: true
+    releaseType: java-backport
+    branch: 2.19.x
+  - bumpMinorPreMajor: true
+    handleGHRelease: true
+    releaseType: java-backport
+    branch: 2.26.x

.github/scripts/update_generation_config.sh

@@ -0,0 +1,175 @@
+#!/bin/bash
+set -e
+# This script should be run at the root of the repository.
+# This script is used to update googleapis_commitish, gapic_generator_version,
+# and libraries_bom_version in generation configuration at the time of running
+# and create a pull request.
+
+# The following commands need to be installed before running the script:
+# 1. git
+# 2. gh
+# 3. jq
+
+# Utility functions
+# Get the latest released version of a Maven artifact.
+function get_latest_released_version() {
+    local group_id=$1
+    local artifact_id=$2
+    json_content=$(curl -s "https://search.maven.org/solrsearch/select?q=g:${group_id}+AND+a:${artifact_id}&core=gav&rows=500&wt=json")
+    latest=$(jq -r '.response.docs[] | select(.v | test("^[0-9]+(\\.[0-9]+)*$")) | .v' <<< "${json_content}" | sort -V | tail -n 1)
+    if [[ -z "${latest}" ]]; then
+        echo "The latest version of ${group_id}:${artifact_id} is empty."
+        echo "The returned json from maven.org is invalid: ${json_content}"
+        exit 1
+    else
+        echo "${latest}"
+    fi
+}
+
+# Update a key to a new value in the generation config.
+function update_config() {
+    local key_word=$1
+    local new_value=$2
+    local file=$3
+    echo "Update ${key_word} to ${new_value} in ${file}"
+    sed -i -e "s/^${key_word}.*$/${key_word}: ${new_value}/" "${file}"
+}
+
+# Update an action to a new version in GitHub action.
+function update_action() {
+    local key_word=$1
+    local new_value=$2
+    local file=$3
+    echo "Update ${key_word} to ${new_value} in ${file}"
+    # use a different delimiter because the key_word contains "/".
+    sed -i -e "s|${key_word}@v.*$|${key_word}@v${new_value}|" "${file}"
+}
+
+# The parameters of this script is:
+# 1. base_branch, the base branch of the result pull request.
+# 2. repo, organization/repo-name, e.g., googleapis/google-cloud-java
+# 3. [optional] generation_config, the path to the generation configuration,
+# the default value is generation_config.yaml in the repository root.
+# 4. [optional] workflow, the library generation workflow file,
+# the default value is .github/workflows/hermetic_library_generation.yaml.
+while [[ $# -gt 0 ]]; do
+key="$1"
+case "${key}" in
+  --base_branch)
+    base_branch="$2"
+    shift
+    ;;
+  --repo)
+    repo="$2"
+    shift
+    ;;
+  --generation_config)
+    generation_config="$2"
+    shift
+    ;;
+  --workflow)
+    workflow="$2"
+    shift
+    ;;
+  *)
+    echo "Invalid option: [$1]"
+    exit 1
+    ;;
+esac
+shift
+done
+
+if [ -z "${base_branch}" ]; then
+  echo "missing required argument --base_branch"
+  exit 1
+fi
+
+if [ -z "${repo}" ]; then
+  echo "missing required argument --repo"
+  exit 1
+fi
+
+if [ -z "${generation_config}" ]; then
+  generation_config="generation_config.yaml"
+  echo "Use default generation config: ${generation_config}"
+fi
+
+if [ -z "${workflow}" ]; then
+    workflow=".github/workflows/hermetic_library_generation.yaml"
+    echo "Use default library generation workflow file: ${workflow}"
+fi
+
+current_branch="generate-libraries-${base_branch}"
+title="chore: Update generation configuration at $(date)"
+
+git checkout "${base_branch}"
+# Try to find a open pull request associated with the branch
+pr_num=$(gh pr list -s open -H "${current_branch}" -q . --json number | jq ".[] | .number")
+# Create a branch if there's no open pull request associated with the
+# branch; otherwise checkout the pull request.
+if [ -z "${pr_num}" ]; then
+  git checkout -b "${current_branch}"
+  # Push the current branch to remote so that we can
+  # compare the commits later.
+  git push -u origin "${current_branch}"
+else
+  gh pr checkout "${pr_num}"
+fi
+
+# Only allow fast-forward merging; exit with non-zero result if there's merging
+# conflict.
+git merge -m "chore: merge ${base_branch} into ${current_branch}" "${base_branch}"
+
+mkdir tmp-googleapis
+# Use partial clone because only commit history is needed.
+git clone --filter=blob:none https://github.com/googleapis/googleapis.git tmp-googleapis
+pushd tmp-googleapis
+git pull
+latest_commit=$(git rev-parse HEAD)
+popd
+rm -rf tmp-googleapis
+update_config "googleapis_commitish" "${latest_commit}" "${generation_config}"
+
+# Update gapic-generator-java version to the latest
+latest_version=$(get_latest_released_version "com.google.api" "gapic-generator-java")
+update_config "gapic_generator_version" "${latest_version}" "${generation_config}"
+
+# Update composite action version to latest gapic-generator-java version
+update_action "googleapis/sdk-platform-java/.github/scripts" \
+  "${latest_version}" \
+  "${workflow}"
+
+# Update libraries-bom version to the latest
+latest_version=$(get_latest_released_version "com.google.cloud" "libraries-bom")
+update_config "libraries_bom_version" "${latest_version}" "${generation_config}"
+
+git add "${generation_config}" "${workflow}"
+changed_files=$(git diff --cached --name-only)
+if [[ "${changed_files}" == "" ]]; then
+    echo "The latest generation config is not changed."
+    echo "Skip committing to the pull request."
+else
+    git commit -m "${title}"
+fi
+
+# There are potentially at most two commits: merge commit and change commit.
+# We want to exit the script if no commit happens (otherwise this will be an
+# infinite loop).
+# `git cherry` is a way to find whether the local branch has commits that are
+# not in the remote branch.
+# If we find any such commit, push them to remote branch.
+unpushed_commit=$(git cherry -v "origin/${current_branch}" | wc -l)
+if [[ "${unpushed_commit}" -eq 0 ]]; then
+    echo "No unpushed commits, exit"
+    exit 0
+fi
+
+if [ -z "${pr_num}" ]; then
+  git remote add remote_repo https://cloud-java-bot:"${GH_TOKEN}@github.com/${repo}.git"
+  git fetch -q remote_repo
+  git push -f remote_repo "${current_branch}"
+  gh pr create --title "${title}" --head "${current_branch}" --body "${title}" --base "${base_branch}"
+else
+  git push
+  gh pr edit "${pr_num}" --title "${title}" --body "${title}"
+fi