// GetNodeInfosForMigs finds NodeInfos for all migs used to manage the given nodes. It also returns a mig to sample node mapping.
func GetNodeInfosForMigs(nodes []*kube_api.Node, gceManager *gce.GceManager, kubeClient *kube_client.Client) (map[string]*schedulercache.NodeInfo,
map[string]*kube_api.Node, error) {
sampleNodes := make(map[string]*kube_api.Node)
for _, node := range nodes {
instanceConfig, err := config.InstanceConfigFromProviderId(node.Spec.ProviderID)
if err != nil {
return map[string]*schedulercache.NodeInfo{}, map[string]*kube_api.Node{}, err
}
migConfig, err := gceManager.GetMigForInstance(instanceConfig)
if err != nil {
return map[string]*schedulercache.NodeInfo{}, map[string]*kube_api.Node{}, err
}
url := migConfig.Url()
sampleNodes[url] = node
}
result := make(map[string]*schedulercache.NodeInfo)
for url, node := range sampleNodes {
nodeInfo, err := simulator.BuildNodeInfoForNode(node.Name, kubeClient)
if err != nil {
return map[string]*schedulercache.NodeInfo{}, map[string]*kube_api.Node{}, err
}
result[url] = nodeInfo
}
return result, sampleNodes, nil
}
// GetNodeInfosForGroups finds NodeInfos for all node groups used to manage the given nodes. It also returns a node group to sample node mapping.
// TODO(mwielgus): This returns map keyed by url, while most code (including scheduler) uses node.Name for a key.
func GetNodeInfosForGroups(nodes []*kube_api.Node, cloudProvider cloudprovider.CloudProvider, kubeClient *kube_client.Client) (map[string]*schedulercache.NodeInfo, error) {
result := make(map[string]*schedulercache.NodeInfo)
for _, node := range nodes {
nodeGroup, err := cloudProvider.NodeGroupForNode(node)
if err != nil {
return map[string]*schedulercache.NodeInfo{}, err
}
if nodeGroup == nil || reflect.ValueOf(nodeGroup).IsNil() {
continue
}
id := nodeGroup.Id()
if _, found := result[id]; !found {
nodeInfo, err := simulator.BuildNodeInfoForNode(node, kubeClient)
if err != nil {
return map[string]*schedulercache.NodeInfo{}, err
}
result[id] = nodeInfo
}
}
return result, nil
}