func (u *UnitUpgraderAPI) getMachineTools(tag names.Tag) params.ToolsResult {
var result params.ToolsResult
machine, err := u.getAssignedMachine(tag)
if err != nil {
result.Error = common.ServerError(err)
return result
}
machineTools, err := machine.AgentTools()
if err != nil {
result.Error = common.ServerError(err)
return result
}
// We are okay returning the tools for just the one API server
// address since the unit agent won't try to download tools that
// are already present on the machine.
result.ToolsList = tools.List{machineTools}
return result
}
