[ https://ovirt-jira.atlassian.net/browse/OVIRT-2254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=37270#comment-37270 ] Barak Korren commented on OVIRT-2254: ------------------------------------- Some design details: * The "borrow" job takes the following parameters: ** The IP and JNLP port of the Jenkins that is borrowing the slave ** The JNLP secret to register to the Jenkins that is borrowing the slave ** A YAML/JSON structure with node requirements that includes: *** A *kind* field set to "{{stdci_node_req}}" *** An *apiVersion* field set to "{{1}}". *** The project *name*. *** The project *clone_ur*, *branch* and *refspec*. *** The STDCI thread *stage*, *substage*, *distro* and *arch*. *** The STDCI *runtime_requirements*.
Create slave borrowing flow ---------------------------
Key: OVIRT-2254 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-2254 Project: oVirt - virtualization made easy Issue Type: New Feature Components: Jenkins Master, Jenkins Slaves Reporter: Barak Korren Assignee: infra
Create a set of jobs and groovy functions that will enable one Jenkins master to borrow slaves from another Jenkins master. h3. Acceptance criteria # We define a borrower and a borrowing Jenkins instances. Ans support the use case where both are the same instance # Borrowing is done by setting up a JNLP connection from the slave of the borrower instance to to borrowing instance. # On the borrower instance: ## We have a "borrow" job that: ##* Takes slave requirement details, allocates a matching slaves and make it connect via JNLP to the borrowing instance ##* If all matching slaves are already borrowed by other instances, try to call the garbage collector jobs (see below) on borrowing instances to free the slaves. ## We have a "return" job that is called by a borrowing instance to return a slave # On the borrowing instance ## STDCI tries to borrow slaves from a predefined instance if not matching slaves are available locally ## Once borrowed - slaves stay attached to the borrowing instance so they can be reused by other STDCI jobs. ## We have a "garbage collector" job that is triggered periodically or by the borrower instance. It looks at borrowed slaves, and frees ones that were not used recently.
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