netflix / maestro - Source Code Overview

Analysis scope, overview of main, test, generated, deployment, build, and other code.

Source Code Analysis Scope

Files includes and excluded from analyses

txt

properties

12 extensions are included in analyses: java, json, md, gradle, yaml, sql, xml, txt, sh, gitignore, bat, properties
6 criteria are used to exclude files from analysis:

exclude files with path like ".*/gradle/wrapper/.*" (Gradle) (1 file).
exclude files with path like ".*/[.][a-zA-Z0-9_]+.*" (Hidden files and folders) (2 files).
exclude files with path like ".*/sokrates_.*?[.]json" (Sokrates conventions and configurations) (1 file).
exclude files with path like ".*/git[-]history[.]txt" (Git history) (1 file).
exclude files with path like ".*/git[-][a-zA-Z0-9_]+[.]txt" (Git data exports for sokrates analyses) (0 files).
exclude files with path like ".*/docs/.*" (Documentation) (8 files).

The source code folder contains 1,085 files:

1,053 files are included in analyses.
32 files are excluded from analyses:

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Overview of Analyzed Files

Basic stats on analyzed files

Intro

For analysis purposes we separate files in scope into several categories: main, test, generated, deployment and build, and other.

The main category contains all manually created source code files that are being used in the production.
Files in the main category are used as input for other analyses: logical decomposition, concerns, duplication, file size, unit size, and conditional complexity.
Test source code files are used only for testing of the product. These files are normally not deployed to production.
Build and deployment source code files are used to configure or support build and deployment process.
Generated source code files are automatically generated files that have not been manually changed after generation.
While a source code folder may contain a number of files, we are primarily interested in the source code files that are being written and maintained by developers.
Files containing binaries, documentation, or third-party libraries, for instance, are excluded from analysis. The exception are third-party libraries that have been changed by developers.

Main Code

All manually created or maintained source code that defines logic of the product that is run in a production environment.

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The following criteria are used to filter files:

files with paths like ".*".

534 files match defined criteria (48,916 LOC, 100.0% vs. main code):

520 *.java files (48,367 LOC)
7 *.yaml files (342 LOC)
6 *.sql files (175 LOC)
1 *.xml files (32 LOC)

" *.java" is biggest, containing 98.88% of LOC.
" *.xml" is smallest, containing 0.07% of LOC.

Test Code

Used only for testing of the product. Normally not deployed in a production environment.

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The following criteria are used to filter files:

files with paths like ".*/[Tt]est/.*".
files with paths like ".*[-]test[-].*".

267 files match defined criteria (35,108 LOC, 71.8% vs. main code). All matches are in *.java files.

Build and Deployment Code

Source code used to configure or support build and deployment process.

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The following criteria are used to filter files:

files with paths like ".*[.]gradle".
files with paths like ".*[.]sh".
files with paths like ".*[.]git[a-z]+".
files with paths like ".*/[.]gitignore".
files with paths like ".*[.]bat".

16 files match defined criteria (394 LOC, 0.8% vs. main code):

13 *.gradle files (293 LOC)
1 *.bat files (71 LOC)
2 *.sh files (30 LOC)

" *.gradle" is biggest, containing 74.37% of LOC.
" *.sh" is smallest, containing 7.61% of LOC.

Other Code

txt

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The following criteria are used to filter files:

files with paths like ".*[.]properties".
files with paths like ".*[.]md".
files with paths like ".*/README[.][a-z0-9]+".
files with paths like ".*/config/checkstyle/.*".
files with paths like ".*/checkstyle[.]xml".
files with paths like ".*/checkstyle.*".
files with paths like ".*/[.]gitignore".
files with paths like ".*[.]json".
files with paths like ".*[.]txt".
files with paths like ".*/[Ss]amples/.*".

236 files match defined criteria (13,531 LOC, 27.7% vs. main code):

222 *.json files (13,249 LOC)
11 *.md files (144 LOC)
2 *.xml files (132 LOC)
1 *.txt files (6 LOC)

" *.json" is biggest, containing 97.92% of LOC.
" *.txt" is smallest, containing 0.04% of LOC.

Analyzers

Info about analyzers used for source code examinations.

*.java files are analyzed with JavaAnalyzer:

All basic standard analyses supported (source code overview, duplication, file size, concerns, findings, metrics, controls)

Advanced code cleaning (empty lines and comments removed for LOC calculations, additional cleaning for duplication calculations)

Unit size analysis

Conditional complexity analysis

Advanced heuristic dependency analysis (based on package names)

*.yaml files are analyzed with YamlAnalyzer:

All basic standard analyses supported (source code overview, duplication, file size, concerns, findings, metrics, controls)

Advanced code cleaning (empty lines and comments removed for LOC calculations, additional cleaning for duplication calculations)

No unit size analysis

No conditional complexity analysis

No dependency analysis

*.sql files are analyzed with SqlAnalyzer:

All basic standard analyses supported (source code overview, duplication, file size, concerns, findings, metrics, controls)

Advanced code cleaning (empty lines and comments removed for LOC calculations, additional cleaning for duplication calculations)

No unit size analysis

No conditional complexity analysis

No dependency analysis

*.xml files are analyzed with XmlAnalyzer:

All basic standard analyses supported (source code overview, duplication, file size, concerns, findings, metrics, controls)

Advanced code cleaning (empty lines and comments removed for LOC calculations, additional cleaning for duplication calculations)

No unit size analysis

No conditional complexity analysis

No dependency analysis

2025-05-02 23:47