CAMP generate put multiple implementations of the same feature in single stacks

[fchauvel]

Characteristics

• Issue Type: bug
• Reproducibility: always
• Severity: Major
• Tool/Service/Component: CAMP generate (v0.6.1)
  • Linux 4.9.0-8-amd64 (debian 9.8)
  • Python 3.5.3.final.0
  • Z3 4.7.1
  • Docker version 18.09.4, build d14af54
  • docker-compose version 1.23.0, build c8524dc1
• Execution Environment: [platform, OS, etc]
• Reporter: @fchauvel

Description

Given the following camp.yml, I expect that CAMP does not generate stacks that includes mutliple implementation of the same "feature". In this example, it the the HTTP proxy features. While both the NGinx & Apache component offer that feature, it does not make sense to get both in the same software stacks.

components:

  django:
    provides_services: [ MyService ]
    requires_features: [ Python, HttpProxy ]

  apache:
    provides_features: [ HttpProxy ]
    requires_features: [ Linux ]

  nginx:
    provides_features: [ HttpProxy ]
    requires_features: [ Linux ]

  python:
    provides_features: [ Python ]
    requires_features: [ Linux ]

  ubuntu:
    provides_features: [ Linux ]

The configurations that CAMP generates are the following:

Steps to reproduce

$ camp generate -d . --all

Other files and URLs

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