Sync fork

.gcloudignore

@@ -0,0 +1,10 @@
+.gcloudignore
+.git
+.gitignore
+#!include:.gitignore
+
+perfmetrics/
+.github/
+benchmarks/
+docs/
+samples/

.gemini/config.yaml

@@ -0,0 +1,21 @@
+# 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.
+
+# Custom configuration guide: https://developers.google.com/gemini-code-assist/docs/customize-gemini-behavior-github?content_ref=the+gemini+folder+hosts+any+gemini+code+assist+related+configuration+files+like+config+yaml+and+styleguide+md#custom-configuration
+
+code_review:
+  pull_request_opened:
+    code_review: true
+    summary: true
+    include_drafts: false

.github/.codecov.yml

@@ -1,6 +1,22 @@
+# 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.
+
 ignore:
   - "tools"
   - "benchmarks"
+  - "perfmetrics"
+  - "cfg/config.go"
 coverage:
   round: down
   precision: 2

.github/CODEOWNERS

@@ -2,6 +2,6 @@
 # the repo.
 *           @GoogleCloudPlatform/gcsfuse-codeowners
 
-perfmetrics/scripts/testing_on_gke/ @gargnitingoogle @kislaykishore @tulsishah @charith87 @GoogleCloudPlatform/gcsfuse-codeowners
-perfmetrics/scripts/ @tulsishah @GoogleCloudPlatform/gcsfuse-codeowners
-tools/ @tulsishah @GoogleCloudPlatform/gcsfuse-codeowners
+perfmetrics/scripts/testing_on_gke/ @gargnitingoogle @kislaykishore @charith87 @GoogleCloudPlatform/gcsfuse-codeowners
+perfmetrics/scripts/ @meet2mky @GoogleCloudPlatform/gcsfuse-codeowners
+tools/ @meet2mky @GoogleCloudPlatform/gcsfuse-codeowners

.github/dependabot.yml

@@ -11,9 +11,16 @@ updates:
   - dependency-type: "direct"
   schedule:
     interval: weekly
-  open-pull-requests-limit: 10
+  groups:
+    # Group all Go updates together in a single PR.
+    go-dependencies:
+      patterns:
+        - "*"
 - package-ecosystem: pip
   directory: "/"
   schedule:
     interval: weekly
-  open-pull-requests-limit: 10
+  groups:
+    python-dependencies:
+      patterns:
+        - "*"

.github/header-checker-lint.yml

@@ -32,6 +32,7 @@ sourceFileExtensions:
 ignoreFiles:
   - 'cmd/testdata/**'
   - 'internal/config/testdata/*'
+  - 'internal/workloadinsight/testdata/**'
   - 'internal/storage/caching/mock_gcscaching/mock_stat_cache.go'
   - 'internal/storage/mock_bucket.go'
   - 'perfmetrics/scripts/load_tests/python/sample_tasks.yaml'

.github/pull_request_template.md

@@ -1,9 +1,30 @@
+**Please ensure your PR title follows the format:**
+```
+type(scope): subject
+```
+Example:
+`feat(api): add user login endpoint`
+
+Available types:
+- `feat`: A new feature
+- `fix`: A bug fix
+- `docs`: Documentation only changes
+- `style`: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
+- `refactor`: A code change that neither fixes a bug nor adds a feature
+- `perf`: A code change that improves performance
+- `test`: Adding missing tests or correcting existing tests
+- `build`: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
+- `ci`: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
+- `chore`: Other changes that don't modify src or test files
+- `revert`: Reverts a previous commit
+
 ### Description
 
 ### Link to the issue in case of a bug fix.
-NA
 
 ### Testing details
 1. Manual - NA
 2. Unit tests - NA
 3. Integration tests - NA
+
+### Any backward incompatible change? If so, please explain.

.github/scripts/reminder.js

@@ -0,0 +1,82 @@
+// This script uses the Octokit library to interact with the GitHub API.
+const { getOctokit } = require('@actions/github');
+// The context object provides information about the workflow run.
+const { context } = require('@actions/github');
+
+// This is the main function that will be executed.
+async function run() {
+    try {
+        // ------------------ CONFIGURATION ------------------
+        // Label that triggers the reminder.
+        const REMINDER_LABEL = 'remind-reviewers';
+        // Inactivity time in hours.
+        const INACTIVITY_HOURS = 24;
+        // The message to post on the pull request.
+        const REMINDER_MESSAGE = `Hi {reviewers}, your feedback is needed to move this pull request forward. This automated reminder was triggered because there has been no activity for over ${INACTIVITY_HOURS} hours. Please provide your input when you have a moment. Thank you!`;
+        // ---------------------------------------------------
+
+        // Get the GitHub token from environment variables. It's passed in from the workflow file.
+        const token = process.env.GITHUB_TOKEN;
+        if (!token) {
+            throw new Error("GITHUB_TOKEN is not set. The workflow must pass it as an environment variable.");
+        }
+
+        // Create an authenticated Octokit client.
+        const octokit = getOctokit(token);
+        // Remove 10 minutes from inactivity time to not account previous reminders as activity.
+        const INACTIVITY_MS = INACTIVITY_HOURS * 60 * 60 * 1000 - 10 * 60 * 1000;
+        const now = new Date().getTime();
+
+        // Get all open pull requests
+        const pullRequests = await octokit.paginate(octokit.rest.pulls.list, {
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            state: 'open',
+        });
+
+        console.log(`Found ${pullRequests.length} open pull requests.`);
+
+        for (const pr of pullRequests) {
+            const hasReminderLabel = pr.labels.some(label => label.name === REMINDER_LABEL);
+            if (!hasReminderLabel) {
+                console.log(`PR #${pr.number} ('${pr.title}') does not have the '${REMINDER_LABEL}' label. Skipping.`);
+                continue;
+            }
+
+            if (pr.draft) {
+                console.log(`PR #${pr.number} ('${pr.title}') is a draft. Skipping.`);
+                continue;
+            }
+
+            const updatedAt = new Date(pr.updated_at).getTime();
+            const isInactive = (now - updatedAt) > INACTIVITY_MS;
+            if (!isInactive) {
+                console.log(`PR #${pr.number} ('${pr.title}') is not inactive yet. Last updated at ${pr.updated_at}. Skipping.`);
+                continue;
+            }
+
+            const requestedReviewers = pr.requested_reviewers.map(reviewer => `@${reviewer.login}`).join(', ');
+            if (requestedReviewers.length === 0) {
+                console.log(`PR #${pr.number} ('${pr.title}') is inactive but has no requested reviewers. Skipping.`);
+                continue;
+            }
+
+            const finalMessage = REMINDER_MESSAGE.replace('{reviewers}', requestedReviewers);
+            console.log(`PR #${pr.number} ('${pr.title}') is inactive. Posting a reminder comment.`);
+
+            await octokit.rest.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: pr.number,
+                body: finalMessage
+            });
+        }
+    } catch (error) {
+        // If the script fails, log the error message.
+        console.error(error.message);
+        process.exit(1);
+    }
+}
+
+// Execute the main function.
+run();

.github/workflows/auto-pr-reminder.yml

@@ -0,0 +1,45 @@
+name: Auto Add Label on Ready for Review or Reopen PR
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - ready_for_review
+    branches:
+      - master
+
+jobs:
+  add-label:
+    # This condition ensures the label is only added if the PR is not a draft.
+    # When a PR is reopened, it is never in a draft state.
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      issues: write
+    steps:
+      - name: Add 'remind-reviewers' label
+        uses: actions/github-script@v6
+        with:
+          script: |
+            // List of authors to exclude from reminders.
+            const excludedAuthors = [
+              'dependabot[bot]',
+            ];
+
+            const author = context.payload.pull_request.user.login;
+            console.log(`Pull Request author is: ${author}`);
+
+            // Check if the author is in the exclusion list.
+            if (excludedAuthors.includes(author)) {
+              console.log(`Author '${author}' is in the exclusion list. Skipping label addition.`);
+              return;
+            }
+
+            github.rest.issues.addLabels({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              labels: ['remind-reviewers']
+            })

.github/workflows/ci.yml

@@ -7,8 +7,36 @@ on:
   pull_request:
     branches:
       - '*'
+permissions:
+  contents: read
+
+# Ensure only the latest run per branch is active (cancel older in-progress runs),
+# but allow every master commit to run (don't cancel or group master runs together).
+concurrency:
+  # For master we use a unique group per run (github.run_id) so runs don't cancel each other.
+  # For other refs we use the ref as the group so a new run cancels any previous in-progress run on that ref.
+  group: ${{ github.ref == 'refs/heads/master' && github.run_id || github.ref }}
+  # Cancel in-progress runs for non-master refs; do not cancel on master.
+  cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
 
 jobs:
+  filter:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    outputs:
+      run_tests: ${{ steps.filter.outputs.run_tests }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dorny/paths-filter@v3.0.2
+        id: filter
+        with:
+          predicate-quantifier: 'every'
+          filters: |
+            run_tests:
+              - '!**/*.md'
+              - '!tools/**'
+              - '!perfmetrics/**'
+              - '!samples/**'
   format-test:
     runs-on: ubuntu-latest
     timeout-minutes: 5
@@ -17,59 +45,64 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v5
       with:
-        go-version: "1.23"
+        go-version-file: '.go-version'
+    - name: Install goimports
+      run: go install golang.org/x/tools/cmd/goimports@latest
     - name: CodeGen
       run: go generate ./...
-    - name: Formatting diff
-      run: go fmt ./... && git diff --exit-code --name-only
+    - name: Formatting and Imports check
+      run: |
+        goimports -w .
+        go fmt ./...
+        go mod tidy
+        git diff --exit-code --name-only
 
   linux-tests:
-    strategy:
-      matrix:
-        go: [ 1.23.x ]
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
+    needs: filter
+    runs-on: ubuntu-22.04
+    timeout-minutes: 25
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Go ${{ matrix.go }}
-      uses: actions/setup-go@v2.1.4
+    - uses: actions/checkout@v4
+    - name: Set up Go
+      uses: actions/setup-go@v5
       with:
-        go-version: ${{ matrix.go }}
+        go-version-file: '.go-version'
     - name: Install fuse
       run: sudo apt-get update && sudo apt-get install -y fuse3 libfuse-dev
     - name: Build
+      if: ${{ needs.filter.outputs.run_tests == 'true' }}
       run: |
         CGO_ENABLED=0 go build ./...
         go install ./tools/build_gcsfuse
         build_gcsfuse . /tmp ${GITHUB_SHA}
-    - name: Test all except caching parallely
-      run: CGO_ENABLED=0 go test -count 1 -covermode=atomic -coverprofile=coverage.out -coverpkg=./... -v -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` `go list ./... | grep -v internal/cache/...`
-    - name: Test caching
-      run: CGO_ENABLED=0 go test -p 1 -count 1 -covermode=atomic -coverprofile=coverage_cache.out -coverpkg=./... -v -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` ./internal/cache/...
-    - name: Cache RaceDetector Test
-      run: go test -p 1 -count 1 -v -race -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` ./internal/cache/...
+    - name: Test all
+      if: ${{ needs.filter.outputs.run_tests == 'true' }}
+      run: CGO_ENABLED=0 go test -p 1 -count 1 -covermode=atomic -coverprofile=coverage.out -coverpkg=./... -v -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` `go list ./... | grep -v 'tools/integration_tests'`
+    - name: RaceDetector Test
+      if: ${{ needs.filter.outputs.run_tests == 'true' }}
+      run: go test -p 1 -count 1 -v -race -skip `cat flaky_tests.lst | go run tools/scripts/skip_tests/main.go` ./internal/cache/... ./internal/gcsx/...
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v4.3.1
       timeout-minutes: 5
       with:
-        fail_ci_if_error: true
+        fail_ci_if_error: false
         token: ${{ secrets.CODECOV_TOKEN }}
         flags: unittests
 
   lint:
     name: Lint
+    if: github.ref != 'refs/heads/master'
     runs-on: ubuntu-latest
     steps:
-    - name: Setup Go
-      uses: actions/setup-go@v4
-      with:
-        go-version: "1.23"
     - name: checkout code
       uses: actions/checkout@v4
+    - name: Setup Go
+      uses: actions/setup-go@v5
+      with:
+        go-version-file: '.go-version'
     - name: golangci-lint
-      uses: golangci/golangci-lint-action@032fa5c5e48499f06cf9d32c02149bfac1284239
+      uses: golangci/golangci-lint-action@v8
       with:
-        args: -E=goimports --timeout 2m0s
+        args: -E=unused --timeout 3m0s
         only-new-issues: true
-