Knapsack Pro

Google Cloud Build vs Scrutinizer CI comparison of Continuous Integration servers
What are the differences between Google Cloud Build and Scrutinizer CI?

Google Cloud Build

https://cloud.google.com/cloud-build/

Scrutinizer CI

https://scrutinizer-ci.com
Unique feature

Security / speed

Ongoing statical analysis

Type of product

SaaS

SaaS

Offers a free plan

Yes

Google offers a generous 120 build-minutes per day plan, not including time spent waiting in the queue.

Yes

Free for open source projects

Predictable pricing

Yes (partial)

While it's clear what the cost is (priced per build-minute), figuring out costs can be a hassle, especially as the price can vary quite a bit depending on commits to the project.

Yes

Three different paid monthly tiers

Support / SLA

Yes

Even available as a paid add-on, for 24/7 phone support for example: https://cloud.google.com/support/

N/A

Not specifically mentioned, probably not.

Paralellism
Every CI servers tends to address this differently (parallel, distributed, build matrix). Some of it is just marketing, and some is just nuance. For this table, parallel means that tasks can be run concurrently on the same machine, distributed means that tasks can be scaled horizontally, on multiple machines
How to split tests in parallel in the optimal way with Knapsack Pro

Yes

Yes

Automated parallalelization for code analysis, as well as support for running tasks in parallel

Distributed builds
distributed means that tasks can be scaled horizontally, on multiple machines
How to split tests in parallel in the optimal way with Knapsack Pro

N/A

N/A

Unclear from the documentation (probably not)

Containers support / Build environment

Yes

Native Docker and Packer support

Yes

Tests run in isolated containers. Docker support available.

Analytics / Status overview
Analytics and overview referrs to the ability to, at a glance, see what's breaking (be it a certain task, or the build for a specific project)

Yes

Yes

Besides classic CI overview, they also provide static code analysis insights, which is a differentiator for Scrutinizer

Management support
How easy is it to manage users / projects / assign roles and permissions and so on

Yes

Yes

Additional seats available for every plan at $14.90 per seat, per month.

Self-hosted option

No (partial)

While there's no self hosted variant, they provide a local Cloud Build image which allows you to build locally, very valuable for debugging.

No

Hosted plans / SaaS

Yes

Yes

Build pipelines
A continuous delivery pipeline is a description of the process that the software goes through from a new code commit, through testing and other statical analysis steps all the way to the end-users of the product.

Yes

Configurable via YML and/or JSON files.

Yes

Pipelines as code (YML files)

Reports
Reports are about the abilty to see specific reports (like code coverage or custom ones), but not necesarily tied in into a larger dashboard.

Yes

Yes

Ecosystem
Besides the official documentation and software, is there a large community using this product? Are there any community-driven tools / plugins that you can use?

Yes

There are predefined images built for Cloud Build, which can be integrated right away in your build process. Some of them are first party: https://github.com/GoogleCloudPlatform/cloud-builders and others are community contributed: https://github.com/GoogleCloudPlatform/cloud-builders-community

No

Specific language support: Ruby
Some CI servers have built-in support for parsing RSpec or Istanbul output for example and we mention those. Some others make it even easier by detecting Gemfiles or package.json and automate parts of the process for the developer.

N/A

Nothing specific as far as we can tell

Yes

Code analysis (automated code reviews) are available for Ruby, as well as specific documentation for setting up a Ruby project: https://scrutinizer-ci.com/docs/guides/ruby. Frameworks like Ruby on Rails are supported. They also provide tools like bundler-audit, for identifying vulnerable gems: https://scrutinizer-ci.com/docs/tools/ruby/bundler-audit/

Specific language support: JavaScript

Yes (partial)

npm, yarn and jasmine-node support via predefined Cloud Build steps.

Yes

Automated code reviews are available for Javascript as well as specific documentation for setting up a Node.js project: https://scrutinizer-ci.com/docs/guides/javascript. Typescript is also supported.

Integrations
1st party support for common tools (like Slack notifications, various VCS platforms, etc)

Yes

Various integrations available via custom Build Steps, as well as natively (Kubernetes, Docker, etc.)

Yes

Light integration with third party systems, mainly code management frameworks like GitHub, Bitbucket, GitLab.

API
Custom integreation is available, via an API or otherwise, it's mentioned separately as it allows further customization than any of the Ecosystem/Integration options

Yes

REST API and comprehensive CLI tool, as well as a pub/sub system for build notifications.

Yes

Comprehensive REST API available: https://scrutinizer-ci.com/docs/api/

Auditing

Yes

N/A

Unclear from the documentation, but most likely available.

Additional notes

Not unlike other Google tools, there's a strong emphasis on allowing developers to build on top of the service. Becomes more valuable if you're using other Google Cloud services as well.

The code analysis features seem great, the offer for similar tools is quite light. Seems similar to lgtm.com

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