Keep your dependencies in check (FOSDEM)

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Keep your dependencies in check FOSDEM - February 5th, 2023 https://maritvandijk.com/ @MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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Dec. 2021 @MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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March 2022 @MaritvanDijk77

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@MaritvanDijk77

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@MaritvanDijk77

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No dependencies @MaritvanDijk77 Maintain dependencies

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Maven • Overview of dependencies: `mvn dependency:tree` @MaritvanDijk77

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Maven • Check for updates: `mvn versions:display-dependency-updates` @MaritvanDijk77

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Maven • Analyze dependencies: `mvn dependency:analyze` @MaritvanDijk77

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Gradle • Overview of dependencies: `./gradlew dependencies` @MaritvanDijk77

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Gradle • Add plugin, e.g. gradle-versions-plugin • Run `./gradlew dependencyUpdates` @MaritvanDijk77 https://github.com/ben-manes/gradle-versions-plugin

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IntelliJ IDEA: View Dependencies @MaritvanDijk77

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IntelliJ IDEA: View Dependencies @MaritvanDijk77

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IntelliJ IDEA • Package Search: Add dependency @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA • Package Search: Add dependency @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA • Intention actions (⌥ ⏎ or Alt+Enter) @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA • Intention actions (⌥ ⏎ or Alt+Enter) @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA • Package search: Dependencies tool window @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA • Package search: Dependencies tool window @MaritvanDijk77 https://www.jetbrains.com/help/idea/package-search.html

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IntelliJ IDEA Ultimate @MaritvanDijk77 • Package Checker

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IntelliJ IDEA Ultimate @MaritvanDijk77 • Package Checker

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Downsides - Check out each individual project - Apply & verify updates @MaritvanDijk77

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Software Composition Analysis (SCA) • Scan all repos (and containers) • Overview @MaritvanDijk77

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SCA: Pros & Cons + No need to check out repos individually - I have to check the dashboard - Apply & verify updates @MaritvanDijk77

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@MaritvanDijk77 Bots • Dependabot • Renovate • Snyk Open Source

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Dependabot • GitHub native • Features: • Alerts • Security updates • Version updates @MaritvanDijk77

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Dependabot enable @MaritvanDijk77

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Dependabot alerts @MaritvanDijk77

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Dependabot security updates @MaritvanDijk77

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Dependabot version updates • Add dependabot.yml (impacts security updates) • Package manager & directory manifest file • Frequency (daily, weekly, or monthly) • Schedule (date, time, timezone) • Max. number of PR's (default 5) • Some details to manage PR's @MaritvanDijk77 https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file

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Renovate • Available via GitHub App • Features: • Security updates • Version updates • Project dashboard • Job dashboard @MaritvanDijk77

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Renovate enable @MaritvanDijk77 https://github.com/apps/renovate

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Renovate enable - 2 @MaritvanDijk77

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Renovate enable - 3 @MaritvanDijk77

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Renovate configuration • All repos or selected repos • Config file is created for you • Max. number of PR's / concurrent branches • More options • More fine-grained @MaritvanDijk77 https://docs.renovatebot.com/configuration-options/

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Renovate PR @MaritvanDijk77 https://docs.renovatebot.com/merge-confidence/

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Renovate Dashboard: Project @MaritvanDijk77

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Renovate Dashboard: Jobs @MaritvanDijk77

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Snyk Open Source • Available via Snyk • Features: • Security updates • Version updates • Test for new vulnerabilities (on PRs) • Test for vulnerabilities in source code • Dashboards @MaritvanDijk77 https://snyk.io/

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Snyk enable @MaritvanDijk77 https://snyk.io/

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Snyk enable - 2 @MaritvanDijk77

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Snyk enable - 3 @MaritvanDijk77

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Snyk enable - 4 @MaritvanDijk77

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Snyk PR @MaritvanDijk77

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Snyk PR @MaritvanDijk77

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Snyk PR Check @MaritvanDijk77

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Snyk dashboard @MaritvanDijk77

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Snyk Open Source Configuration • Frequency (daily, weekly, never) • Enable/disable: New and/or known vulnerabilities • Enable/disable PR's for single project @MaritvanDijk77 https://docs.snyk.io/products/snyk-open-source/open-source-basics

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Bots: Pros & Cons + Relatively easy to install + Automatic PR's - Can create "noise" - Manage PRs (merge & deploy) - No code changes (if needed) @MaritvanDijk77

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Migration tools @MaritvanDijk77

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IntelliJ IDEA • Migrate Packages and Classes @MaritvanDijk77 https://www.jetbrains.com/help/idea/migrate.html

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IntelliJ IDEA • Create New Migration @MaritvanDijk77

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IntelliJ IDEA • Create New Migration @MaritvanDijk77

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Error Prone • Static analysis tool for Java that catches common programming mistakes at compile-time. • Maven, Gradle, etc. • IntelliJ IDEA / Eclipse plugin, Command line • Bug patterns • Report or fix • Custom checks • Includes Refaster: refactor code using before-and-after templates @MaritvanDijk77 https://errorprone.info/

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OpenRewrite • Source code refactoring for framework migrations, vulnerability patches, and API migrations • Early focus on Java • Maven & Gradle • Existing recipes • Can author recipes @MaritvanDijk77 https://docs.openrewrite.org/

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Conclusion •(Re)evaluate dependencies carefully •Automate checks & updates •Stay safe! @MaritvanDijk77

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Slides https://maritvandijk.com/presentations/keep-your-dependencies-in-check/ @MaritvanDijk77