Running Jenkins job simultaneously on all nodes

The best and easiest way to accomplish this is using Elastic Axis plugin.
1. Install the pulgin.
2. Create a Multi Configuration job.(Install if not present)
3. In the job configuration you can find new axis added as Elastic axis. Add the label as shown below to get the job run on multiple slaves.

The matrix build will work; use "Slaves" as the axis and expand the "Individual nodes" list to select all of your nodes.

Note that you will need to update the selection every time you add or remove a slave.

For a more maintainable solution, you could use the Job DSL plugin to set up a seed job that has the template for the build, then loops over each slave and creates a new job with the build label set to the name of the slave.

There is two plugins that you need: Paramitrized Trigger Plugin to be able to trigger other jobs as build step of your main job, and NodeLabel Plugin (read the BuildParameterFactory section for descrition of what you need) to specify the label.

1. Install
   • Parameterized Trigger Plugin
   • NodeLabel Parameter Plugin
2. For the job you want to run, enable Execute concurrent builds if necessary
3. Create another job besides the job you want to run on all slaves and configure it
   • Build > Add build step > Trigger/call builds on other projects
     • Add ParameterFactories > All Nodes for Label Factory > Label: the label of the nodes