Gets list of users for given project Role for all projects in given project category

jira_get_users_by_project_role

import com.atlassian.jira.ComponentManager
import com.atlassian.jira.project.Project
import com.atlassian.jira.project.ProjectManager
import com.atlassian.jira.security.roles.ProjectRole
import com.atlassian.jira.security.roles.ProjectRoleActors
import com.atlassian.jira.security.roles.ProjectRoleManager
import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.project.ProjectCategory



ComponentManager componentManager = ComponentManager.getInstance()
ProjectManager projectManager = ComponentAccessor.getProjectManager()
ProjectRoleManager projectRoleManager = ComponentManager.getComponentInstanceOfType(ProjectRoleManager.class) as ProjectRoleManager

// name of role here
ProjectRole devsRole = projectRoleManager.getProjectRole("Administrator")
ProjectCategory projectCat = projectManager.getProjectCategoryObjectByName("Logistics")

projectManager.getProjectObjects().each {Project project ->
    if (project.getProjectCategory() == projectCat) {
        ProjectRoleActors actors = projectRoleManager.getProjectRoleActors(devsRole, project)

        log.warn "$project.key, $project.name, $project.lead, ${actors.getUsers()*.name}\n";

        // if there is only one member of the role or you only want the first you could do:
        //log.debug actors.getUsers().toList()?.first()?.name
     }
}