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New CF Service Broker "chaos-galago" - a chaos-monkey for your Cloud Foundry
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Sam Bryant
Hi all,
Fidelity International have recently developed and open-sourced a new Service Broker for Cloud Foundry called "chaos-galago". It has been created with aim of providing a marketplace service to users that will cause chaos to their bound applications. It works by randomly killing service instances based on a provided probability and frequency. We see a massive benefit in chaos-galago as it should allow developers to test if their CF applications truly are cloud-resilient, do they cope with unexpected failures? Are they deployed with enough instances so that they meantime uptime? More information and how to deploy it can be found on our Github repo: https://github.com/FidelityInternational/chaos-galago Any input, feedback and questions are encouraged, we hope that everyone finds it the same useful tool that we do. Regards, Sam |
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Zach Brown
Nice!
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On Thu, Mar 3, 2016 at 8:33 AM, Sam Bryant <srbry(a)hotmail.com> wrote:
Hi all, |
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Sam Bryant
For anyone interested we have also now added a smoke tests project for chaos-galago that can be used to monitor the service-broker. This can be found: https://github.com/FidelityInternational/chaos-galago-smoke-tests
Details are also on the README for chaos-galago. Regards, Sam |
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Cornelia Davis <cdavis@...>
wicked cool!
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On Mon, Mar 7, 2016 at 4:57 AM, Sam Bryant <srbry(a)hotmail.com> wrote:
For anyone interested we have also now added a smoke tests project for
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Cornelia Davis (805) 452 8941 |
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David Illsley <davidillsley@...>
Really cool. How nasty is the kill? Is the process killed, then CF
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cleans-up on healthcheck failure, or is the app instance removed from the router before instance termination?
On Thu, Mar 3, 2016 at 4:33 PM, Sam Bryant <srbry(a)hotmail.com> wrote:
Hi all, |
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Sam Bryant
Hi David,
The service broker actually uses an already existing API endpoint: https://apidocs.cloudfoundry.org/231/apps/terminate_the_running_app_instance_at_the_given_index.html It will terminate the app instance, in my experience CF always tidies up and restarts the app within a minute or so. If you have any other ideas/ opinions on how application instances should be terminated I am happy to investigate the options of enhancements. We are also open to pull requests. Regards, Sam |
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