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Awesome Open Source


Isolated BOSH Jobs


bpm (BOSH process manager) is a layer between monit and your BOSH jobs which adds additional features while removing nearly all boilerplate startup scripts. It is backwards compatible with any BOSH version released in the past few years.

Well-defined Lifecycle

The current job lifecycle is very dependent on monit semantics. Job and process start order is not guaranteed and there are hidden timeouts you can hit which will put your system in an unexpected state.

bpm makes its expectations of your job very clear. It defines how long things should take, how bpm will communicate with your process, and how your job should behave under certain scenarios. Most jobs will already be compliant.


Jobs using bpm are isolated from one another. All operating system resources (with the exception of networking) are namespaced such that a job cannot see or interact with other processes outside their containing job.

This provides a far smaller and easier to maintain interface between your jobs and the system but crucially provides a security barrier such that if one of the jobs on your machine is compromised then the incident is limited to just that job rather than all jobs on the same machine.

Resource Limits

bpm is also able to offer resource limiting due to the technologies chosen for the above features. This stops any one job from starving other collocated jobs of the operating system resources they need in order to work.


Documentation can be found in the docs directory. As we're developing bpm this documentation may lead the implementation changes briefly, but it will eventually become the official source of bpm documentation.


bpm has now reached 1.0 and has a stable public API which should be usable for the majority of BOSH jobs. We do not plan on making any more backwards incompatible changes to the public API before 2.0.

You can start to read about the ethos and glossary, runtime environment which bpm provides to your job, the configuration format, and the undefined behavior of the system.


Development is not currently supported on anything other than Linux, though running the docker based tests is possible on macOS.

Dependencies required for local testing:

  • Docker
  • Go

The following steps should allow you to run the tests in a local docker container:

  • Enable swap accounting by running the following commands as root:

    # sed -i 's/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="swapaccount=1"/' /etc/default/grub
    # update-grub
    # reboot
  • Clone this repository and submodules:

    $ cd ~/workspace
    $ git clone
    $ cd ~/workspace/bpm-release
  • Run tests:

    $ cd ~/workspace/bpm-release
    $ ./scripts/test-with-docker

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