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README.md

Welcome to Cloud Foundry

Cloud Foundry is an open platform as a service (PaaS) that provides a choice of clouds, developer frameworks, and application services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale applications.

This repository contains the Cloud Foundry source code.

Our documentation (currently a work in progress) is available here: http://docs.cloudfoundry.org/.

About Branches

The develop branch is where we do active development. Although we endeavor to keep the develop branch stable, we do not guarantee that any given commit will deploy cleanly.

If you want a stable branch, we recommend that you use the release-candidate branch.

Repository Contents

This repository is structured for use with BOSH; an open source tool for release engineering, deployment and lifecycle management of large scale distributed services. There are two directories of note:

Source:

  • jobs: start and stop commands for each of the jobs (processes) running on Cloud Foundry nodes.
  • packages: packaging instructions used by BOSH to build each of the dependencies.
  • src: the source code for the components in Cloud Foundry. Note that each of the components is a submodule with a pointer to a specific SHA.

Releases:

  • releases: yml files containing the references to blobs for each package in a given release; these are solved within .final_builds
  • .final_builds: references into the public blostore for final jobs & packages (each referenced by one or more releases)
  • config: URLs and access credentials to the bosh blobstore for storing final releases
  • git: Local git hooks

See the documentation for deploying Cloud Foundry for more information about using BOSH.

In order to deploy Cloud Foundry with BOSH, you will need to create a manifest. To do so, ensure that you have installed Spiff before running ./generate_deployment_manifest <infrastructure-type>; where <infrastructure-type> is one of aws, vsphere, or warden. This script merges together several manifest stubs from the templates directory using Spiff. Consult the spiff repository for more information on installing and using spiff.

A complete sample manifest for vSphere is also available in the Cloud Foundry documentation.

Cloud Foundry Components (V2)

The current development efforts center on V2, also known as NG. For information on what the core team is working on, please see our roadmap.

The components in a V2 deployment are:

Component Description Build Status
Cloud Controller (cc) The primary API entry point for Cloud Foundry. Build Status
gorouter The central router that manages traffic to applications deployed on Cloud Foundry. Build Status
DEA (dea_next) The droplet execution agent (DEA) performs two key activities in Cloud Foundry: staging and hosting applications. Build Status
Health Manager The health manager monitors the state of the applications and ensures that started applications are indeed running, their versions and number of instances correct. Build Status

Useful scripts

  • ./update pulls cf-release and updates all submodules (recursively) to the correct commit. This is useful in the following situations:
    • After you've first cloned the repo
    • Before you make changes to the directory. (Running the script avoids having to rebase your changes on top of submodule updates.)
  • ./update_sub takes as an argument the name of a submodule (partial matches okay) and pulls that submodule to master. The script then stages the changing of that submodule in cf-release. Typically, only people developing Cloud Foundry should use update_sub. This script is useful in the following situations:
    • After you've made changes to a submodule if you need those changes made available for deployment
  • ./commit_with_shortlog commits changes you've made using update_sub.

Ask Questions

Questions about the Cloud Foundry Open Source Project can be directed to our Google Groups.

File a bug

Bugs can be filed using GitHub Issues in the respective repository of each Cloud Foundry component.

Contributions

Please read the contributors' guide

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