googlecloudplatform/dataflowtemplates
Grade a repo

94

/ 100

GradeA

A well-known project done right. Strong docs and solid engineering throughout.

Top 7% of 5,156 graded repos

Cloud Dataflow Google-provided templates for solving in-Cloud data tasks

Documentation91
Engineering93
Health100
Java1,297Apache-2.01mo ago

Top fixes

Highest-impact changes first, ranked by point weight

8 to address
  1. 1
    Tests18pt

    Wire your tests to a documented command (e.g. a test script in your build config) so the suite is reproducible.

  2. 2
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

  3. 3
    Contributing guide5pt

    Add setup instructions, code style notes, and how to run tests.

  4. 4
    Contributing guide5pt

    Show new contributors how to get a local dev environment running.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

91

Contributing guide5pt61

Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.

→ Add setup instructions, code style notes, and how to run tests.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under Apache-2.0.

Engineering

93

Tests18pt80

Test files detected (cicd/internal/flags/common-flags_test.go).

CI/CD14pt100

CI is configured (.github/workflows/cleanup-spanner-test-infra.yml).

Linting and formatting5pt100

Java/Kotlin linting configured (checkstyle/checkstyle.xml).

Reproducibility6pt100

Lockfile present (cicd/go.sum). Installs are reproducible.

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (pom.xml).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • -
    Commits (30d / 90d)
  • 1,098
    Forks
  • 213
    Releaseslatest 4y ago

Community

  • 75% - Good
    Community health
  • 12 bus factor
    authors own >50% of commits
  • 1,297
    Watchers

Responsiveness

  • 19d 5h
    Median issue response
  • 14d 16h
    Median PR merge time
  • 119
    Open issues
Repository files28 root entries
  • .agents
  • .gemini
  • .github
    Good: CI is configured (.github/workflows/cleanup-spanner-test-infra.yml).
    Good: Dependabot covers 4 ecosystems (github-actions, gomod, pip, maven). Dependencies stay current.
    Good: Issue or PR templates present.
  • .mvn
  • checkstyle
    Good: Java/Kotlin linting configured (checkstyle/checkstyle.xml).
  • cicd
    Good: Test files detected (cicd/internal/flags/common-flags_test.go).
    Good: Lockfile present (cicd/go.sum). Installs are reproducible.
  • contributor-docs
  • it
  • lt
  • metadata
  • plaintext-logging
  • plugins
  • python
    Good: Environment pinned via python/src/main/python/streaming-llm/Dockerfile.
  • structured-logging
  • test-infra
  • v1
  • v2
  • yaml
  • .gitignore
    Good: .gitignore present.
  • cloudbuild.yaml
  • CONTRIBUTING.md
    Issue: Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.Fix: Add setup instructions, code style notes, and how to run tests.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Issue: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    Good: Contributing guide describes the PR/review workflow.
    Issue: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • CONTRIBUTORS.md
  • JAVA_LICENSE_HEADER
  • LICENSE
    Good: Licensed under Apache-2.0.
  • pom.xml
    Good: Dependency manifest found (pom.xml).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • SECURITY.md
    Good: Security policy present.
  • session.json
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