Exclusive Deployment

Added by Robin Shen, edited by Robin Shen on Sep 18, 2011
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Situation

Assume there are only one machine for deployment. Set up the build so that only one deployment step can run on the deployment machine even if multiple builds try to deploy.

Demonstration

  1. Visit the demo project, and hit the run button twice to generate two builds.
  2. Check build overview of generated builds: only deploy step of the first build will run; the step of second build will be put into wait state until the deployment step of the first build finishes.

Resolution

  1. Switch to resources tab and a resource named "Deployment Environment" is defined with only one agent providing the resource.
  2. Switch to steps definition of the demo project, and check definition of step deploy. The node selection property is set to run on the node with resource Deployment Environment.
  3. This also holds true for builds from different configurations as long as their deploy step is defined to run on node with the Deployment Environment resource.
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