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apply.go
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apply.go
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package apply
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"sort"
"strconv"
survey "github.com/AlecAivazis/survey/v2"
"github.com/pquerna/ffjson/ffjson"
"github.com/pterm/pterm"
log "github.com/sirupsen/logrus"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
resourcehelper "k8s.io/kubectl/pkg/util/resource"
"sigs.k8s.io/yaml"
localcache "github.com/alibaba/open-local/pkg/scheduler/algorithm/cache"
"github.com/alibaba/open-simulator/pkg/api/v1alpha1"
"github.com/alibaba/open-simulator/pkg/chart"
"github.com/alibaba/open-simulator/pkg/simulator"
simontype "github.com/alibaba/open-simulator/pkg/type"
gpusharecache "github.com/alibaba/open-simulator/pkg/type/open-gpu-share/cache"
gpushareutils "github.com/alibaba/open-simulator/pkg/type/open-gpu-share/utils"
"github.com/alibaba/open-simulator/pkg/utils"
)
const (
SurveyAddNode = "add node(s)"
SurveyShowResults = "show error event of unscheduled pods"
SurveyExit = "exit"
)
type Options struct {
SimonConfig string
DefaultSchedulerConfigFile string
UseGreed bool
Interactive bool
ExtendedResources []string
OutputFile string
}
type Applier struct {
cluster v1alpha1.Cluster
appList []v1alpha1.AppInfo
newNodePath string
schedulerConfig string
useGreed bool
interactive bool
extendedResources []string
outputFile *os.File
}
type Interface interface {
Run() error
}
// NewApplier returns a default applier that has passed the validity test
func NewApplier(opts Options) Interface {
simonCR := &v1alpha1.Simon{}
configFile, err := ioutil.ReadFile(opts.SimonConfig)
if err != nil {
log.Fatalf("failed to read config file(%s): %v", opts.SimonConfig, err)
}
configJSON, err := yaml.YAMLToJSON(configFile)
if err != nil {
log.Fatalf("failed to unmarshal config file(%s) to json: %v", opts.SimonConfig, err)
}
if err := json.Unmarshal(configJSON, simonCR); err != nil {
log.Fatalf("failed to unmarshal config json to object: %v", err)
}
var outputFile *os.File = nil
if opts.OutputFile != "" {
outputFile, err = os.Create(opts.OutputFile)
if err != nil {
log.Fatalf("failed to open file %s: %s", opts.OutputFile, err.Error())
}
}
applier := &Applier{
cluster: simonCR.Spec.Cluster,
appList: simonCR.Spec.AppList,
newNodePath: simonCR.Spec.NewNode,
schedulerConfig: opts.DefaultSchedulerConfigFile,
useGreed: opts.UseGreed,
interactive: opts.Interactive,
extendedResources: opts.ExtendedResources,
outputFile: outputFile,
}
if err := validate(applier); err != nil {
pterm.FgRed.Printf("%v", err)
os.Exit(1)
}
return applier
}
func (applier *Applier) Run() (err error) {
// Step 0: init
disablePTerm := false
if applier.outputFile != nil {
pterm.SetDefaultOutput(applier.outputFile)
disablePTerm = true
}
// Step 1: convert the cluster files into the kubernetes objects and generate a ResourceTypes struct
// cluster resource generated by two types of cluster, custom cluster and real cluster
var clusterResourceCopy simulator.ResourceTypes
if applier.cluster.KubeConfig != "" {
// generate kube-client
kubeclient, err := utils.CreateKubeClient(applier.cluster.KubeConfig)
if err != nil {
return err
}
if clusterResourceCopy, err = simulator.CreateClusterResourceFromClient(kubeclient, disablePTerm); err != nil {
return err
}
} else {
if clusterResourceCopy, err = simulator.CreateClusterResourceFromClusterConfig(applier.cluster.CustomCluster); err != nil {
return err
}
}
// Step 2: convert the application files into the kubernetes objects and generate a ResourceTypes struct, then make a resource list
var appResource simulator.ResourceTypes
var resourceList []string
var content []string
resourceMap := make(map[string]simulator.ResourceTypes)
for _, app := range applier.appList {
// process separately chart and other file
if app.Chart {
// parse and render chart as a yaml array
if content, err = chart.ProcessChart(app.Name, app.Path); err != nil {
return err
}
} else {
if content, err = utils.GetYamlContentFromDirectory(app.Path); err != nil {
return err
}
}
if appResource, err = simulator.GetObjectFromYamlContent(content); err != nil {
return err
}
resourceMap[app.Name] = appResource
resourceList = append(resourceList, app.Name)
}
// Step 3: convert the path of the new node to be added into the kubernetes object
// only support temporarily one type of node at present
var nodeResource simulator.ResourceTypes
var newNode *corev1.Node
if applier.newNodePath != "" {
if content, err = utils.GetYamlContentFromDirectory(applier.newNodePath); err != nil {
return err
}
if nodeResource, err = simulator.GetObjectFromYamlContent(content); err != nil {
return err
}
simulator.MatchAndSetLocalStorageAnnotationOnNode(nodeResource.Nodes, applier.newNodePath)
// only support temporarily adding a type of node at present
newNode = nodeResource.Nodes[0]
}
// confirm the list of applications that needed to be deployed in interactive mode
var selectedAppNameList []string
var selectedResourceList []simulator.AppResource
if len(resourceList) != 0 && applier.interactive {
var multiQs = []*survey.Question{
{
Name: "APPs",
Prompt: &survey.MultiSelect{
Message: "Confirm your apps :",
Options: resourceList,
},
},
}
err = survey.Ask(multiQs, &selectedAppNameList)
if err != nil {
log.Fatalf("%v", err)
}
} else {
selectedAppNameList = resourceList
}
for _, name := range selectedAppNameList {
selectedResourceList = append(selectedResourceList, simulator.AppResource{
Name: name,
Resource: resourceMap[name],
})
}
// Step 4: determining that the current cluster can deploy selected applications and meets the given requests,
// If everything is ok, output the result. Otherwise we adjust the scale of cluster by adding node
var result *simulator.SimulateResult
canBeScheduled := false
newNodeNum := 0
choose := ""
for {
if choose != SurveyShowResults {
newClusterResource := clusterResourceCopy
nodes, err := utils.NewFakeNodes(newNode, newNodeNum)
if err != nil {
return err
}
newClusterResource.Nodes = append(newClusterResource.Nodes, nodes...)
result, err = simulator.Simulate(newClusterResource, selectedResourceList, simulator.DisablePTerm(disablePTerm), simulator.WithKubeConfig(applier.cluster.KubeConfig))
if err != nil {
return err
}
}
if len(result.UnscheduledPods) != 0 {
prompt := &survey.Select{
Message: fmt.Sprintf("there are still %d pod(s) that can not be scheduled when add %d nodes, you can:", len(result.UnscheduledPods), newNodeNum),
Options: []string{SurveyShowResults, SurveyAddNode, SurveyExit},
}
err = survey.AskOne(prompt, &choose)
if err != nil {
log.Fatalf("%v", err)
}
exitSimulation := false
switch choose {
case SurveyShowResults:
for i, pod := range result.UnscheduledPods {
pterm.FgLightWhite.Printf("%4d %s/%s: %s\n", i, pod.Pod.Namespace, pod.Pod.Name, pod.Reason)
}
case SurveyAddNode:
num := 0
prompt := &survey.Input{
Message: "input node number",
}
err = survey.AskOne(prompt, &num)
if err != nil {
log.Fatalf("%v", err)
}
newNodeNum = num
case SurveyExit:
exitSimulation = true
}
if exitSimulation {
break
}
} else {
if ok, reason, err := satisfyResourceSetting(result.NodeStatus); err != nil {
return err
} else if !ok {
pterm.FgLightWhite.Println(reason)
} else {
canBeScheduled = true
break
}
}
}
if canBeScheduled {
pterm.FgGreen.Println("Simulation success!")
report(result.NodeStatus, applier.extendedResources, selectedAppNameList)
}
return nil
}
func validate(applier *Applier) error {
if len(applier.cluster.KubeConfig) == 0 && len(applier.cluster.CustomCluster) == 0 ||
len(applier.cluster.KubeConfig) != 0 && len(applier.cluster.CustomCluster) != 0 {
return fmt.Errorf("only one of values of both kubeConfig and customConfig must exist ")
}
if len(applier.cluster.KubeConfig) != 0 {
if _, err := os.Stat(applier.cluster.KubeConfig); err != nil {
return fmt.Errorf("invalid path of kubeConfig: %v ", err)
}
}
if len(applier.cluster.CustomCluster) != 0 {
if _, err := os.Stat(applier.cluster.CustomCluster); err != nil {
return fmt.Errorf("invalid path of customConfig: %v ", err)
}
}
if len(applier.schedulerConfig) != 0 {
if _, err := os.Stat(applier.schedulerConfig); err != nil {
return fmt.Errorf("invalid path of scheduler config: %v ", err)
}
}
if len(applier.newNodePath) != 0 {
if _, err := os.Stat(applier.newNodePath); err != nil {
return fmt.Errorf("invalid path of newNode: %v ", err)
}
}
for _, app := range applier.appList {
if _, err := os.Stat(app.Path); err != nil {
return fmt.Errorf("invalid path of %s app: %v ", app.Name, err)
}
}
return nil
}
// report print out scheduling result of pods
func report(nodeStatuses []simulator.NodeStatus, extendedResources []string, appNameList []string) {
reportClusterInfo(nodeStatuses, extendedResources)
reportNodeInfo(nodeStatuses, extendedResources)
reportAppInfo(nodeStatuses, appNameList)
}
func reportClusterInfo(nodeStatuses []simulator.NodeStatus, extendedResources []string) {
pterm.FgYellow.Println("Node Info")
clusterTable := pterm.DefaultTable.WithHasHeader()
var clusterTableData [][]string
nodeTableHeader := []string{
"Node",
"CPU Allocatable",
"CPU Requests",
"Memory Allocatable",
"Memory Requests",
}
if containGpu(extendedResources) {
nodeTableHeader = append(nodeTableHeader, []string{
"GPU Mem Allocatable",
"GPU Mem Requests",
}...)
}
nodeTableHeader = append(nodeTableHeader, []string{
"Pod Count",
"New Node",
}...)
clusterTableData = append(clusterTableData, nodeTableHeader)
nodeReq := make(map[string]map[corev1.ResourceName]resource.Quantity, len(nodeStatuses))
for _, status := range nodeStatuses {
reqs := make(map[corev1.ResourceName]resource.Quantity)
nodeReq[status.Node.Name] = reqs
for _, pod := range status.Pods {
podReqs, _ := resourcehelper.PodRequestsAndLimits(pod)
for podReqName, podReqValue := range podReqs {
if value, ok := reqs[podReqName]; !ok {
reqs[podReqName] = podReqValue.DeepCopy()
} else {
value.Add(podReqValue)
reqs[podReqName] = value
}
}
}
}
for _, status := range nodeStatuses {
node := status.Node
allocatable := node.Status.Allocatable
reqs := nodeReq[status.Node.Name]
nodeCpuReq, nodeMemoryReq := reqs[corev1.ResourceCPU], reqs[corev1.ResourceMemory]
nodeCpuReqFraction := float64(nodeCpuReq.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
nodeMemoryReqFraction := float64(nodeMemoryReq.Value()) / float64(allocatable.Memory().Value()) * 100
newNode := ""
if _, exist := node.Labels[simontype.LabelNewNode]; exist {
newNode = "√"
}
data := []string{
node.Name,
allocatable.Cpu().String(),
fmt.Sprintf("%s(%d%%)", nodeCpuReq.String(), int64(nodeCpuReqFraction)),
allocatable.Memory().String(),
fmt.Sprintf("%s(%d%%)", nodeMemoryReq.String(), int64(nodeMemoryReqFraction)),
}
if containGpu(extendedResources) {
nodeGpuMemReq := resource.NewQuantity(0, resource.BinarySI)
for _, pod := range status.Pods {
gpuMem, gpuNum := gpushareutils.GetGpuMemoryAndCountFromPodAnnotation(pod)
gpuMemReq := resource.NewQuantity(int64(gpuMem*gpuNum), resource.BinarySI)
nodeGpuMemReq.Add(*gpuMemReq)
}
nodeGpuMemFraction := float64(nodeGpuMemReq.Value()) / float64(allocatable.Name(gpushareutils.ResourceName, resource.BinarySI).Value()) * 100
data = append(data, []string{
allocatable.Name(gpushareutils.ResourceName, resource.BinarySI).String(),
fmt.Sprintf("%s(%d%%)", nodeGpuMemReq.String(), int64(nodeGpuMemFraction)),
}...)
}
data = append(data, []string{
fmt.Sprintf("%d", len(status.Pods)),
newNode,
}...)
clusterTableData = append(clusterTableData, data)
}
if err := clusterTable.WithData(clusterTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
pterm.FgYellow.Println()
// report extended resource info (e.g., node storage, GPU)
if len(extendedResources) != 0 {
pterm.FgYellow.Println("Extended Resource Info")
if containLocalStorage(extendedResources) {
pterm.FgYellow.Println("Node Local Storage")
nodeStorageTable := pterm.DefaultTable.WithHasHeader()
var nodeStorageTableData [][]string
nodeStorageTableData = append(nodeStorageTableData, []string{
"Node",
"Storage Kind",
"Storage Name",
"Storage Allocatable",
"Storage Requests",
})
for _, status := range nodeStatuses {
node := status.Node
if nodeStorageStr, exist := node.Annotations[simontype.AnnoNodeLocalStorage]; exist {
var nodeStorage utils.NodeStorage
if err := ffjson.Unmarshal([]byte(nodeStorageStr), &nodeStorage); err != nil {
log.Fatalf("failed to unmarshal storage information of node(%s): %v", node.Name, err)
}
var storageData []string
for _, vg := range nodeStorage.VGs {
capacity := resource.NewQuantity(vg.Capacity, resource.BinarySI)
request := resource.NewQuantity(vg.Requested, resource.BinarySI)
storageData = []string{
node.Name,
"VG",
vg.Name,
capacity.String(),
fmt.Sprintf("%s(%d%%)", request.String(), int64(float64(vg.Requested)/float64(vg.Capacity)*100)),
}
nodeStorageTableData = append(nodeStorageTableData, storageData)
}
for _, device := range nodeStorage.Devices {
capacity := resource.NewQuantity(device.Capacity, resource.BinarySI)
used := "unused"
if device.IsAllocated {
used = "used"
}
storageData = []string{
node.Name,
fmt.Sprintf("Device(%s)", device.MediaType),
device.Device,
capacity.String(),
used,
}
nodeStorageTableData = append(nodeStorageTableData, storageData)
}
}
}
// Send output
if err := nodeStorageTable.WithData(nodeStorageTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
}
if containGpu(extendedResources) {
var podList []*corev1.Pod
pterm.FgYellow.Println("GPU Node Resource")
nodeGpuTable := pterm.DefaultTable.WithHasHeader()
var nodeGpuTableData [][]string
nodeGpuTableData = append(nodeGpuTableData, []string{"Node", "GPU ID", "GPU Request/Capacity", "Pod List"})
for _, status := range nodeStatuses {
node := status.Node
podList = append(podList, status.Pods...)
if nodeGpuInfoStr, exist := node.Annotations[simontype.AnnoNodeGpuShare]; exist {
var nodeGpuInfo gpusharecache.NodeGpuInfo
if err := ffjson.Unmarshal([]byte(nodeGpuInfoStr), &nodeGpuInfo); err != nil {
log.Errorf("failed to unmarshal storage information of node(%s: %v", node.Name, err)
continue
}
nodeGpuMemReq := resource.NewQuantity(0, resource.BinarySI)
for _, pod := range status.Pods {
gpuMem, gpuNum := gpushareutils.GetGpuMemoryAndCountFromPodAnnotation(pod)
gpuMemReq := resource.NewQuantity(int64(gpuMem*gpuNum), resource.BinarySI)
nodeGpuMemReq.Add(*gpuMemReq)
}
gpuReqCapFraction := float64(nodeGpuMemReq.Value()) / float64(nodeGpuInfo.GpuTotalMemory.Value()) * 100
gpuReqCapStr := fmt.Sprintf("%s/%s(%d%%)", nodeGpuMemReq.String(), nodeGpuInfo.GpuTotalMemory.String(), int(gpuReqCapFraction))
nodeOutputLine := []string{fmt.Sprintf("%s (%s)", node.Name, nodeGpuInfo.GpuModel), fmt.Sprintf("%d GPUs", nodeGpuInfo.GpuCount), gpuReqCapStr, fmt.Sprintf("%d Pods", nodeGpuInfo.NumPods)}
nodeGpuTableData = append(nodeGpuTableData, nodeOutputLine)
for idx := 0; idx < len(nodeGpuInfo.DevsBrief); idx += 1 {
if deviceInfoBrief, ok := nodeGpuInfo.DevsBrief[idx]; ok {
devTotalGpuMem := deviceInfoBrief.GpuTotalMemory
if devTotalGpuMem.Value() <= 0 {
continue // either no GPU or not allocated
}
devUsedGpuMem := deviceInfoBrief.GpuUsedMemory
devReqCapFraction := float64(devUsedGpuMem.Value()) / float64(devTotalGpuMem.Value()) * 100
devReqCapStr := fmt.Sprintf("%s/%s(%d%%)", devUsedGpuMem.String(), devTotalGpuMem.String(), int(devReqCapFraction))
nodeOutputLineDev := []string{fmt.Sprintf("%s (%s)", node.Name, nodeGpuInfo.GpuModel), fmt.Sprintf("%d", idx), devReqCapStr, fmt.Sprintf("%s", deviceInfoBrief.PodList)}
nodeGpuTableData = append(nodeGpuTableData, nodeOutputLineDev)
}
}
}
}
// Send output
if err := nodeGpuTable.WithData(nodeGpuTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
pterm.FgYellow.Println("\nPod -> Node Map")
podGpuTable := pterm.DefaultTable.WithHasHeader()
var podGpuTableData [][]string
podGpuTableData = append(podGpuTableData, []string{"Pod", "CPU Req", "Mem Req", "GPU Req", "Host Node", "GPU IDX"})
sort.Slice(podList, func(i, j int) bool { return podList[i].Name < podList[j].Name })
for _, pod := range podList {
req, limit := resourcehelper.PodRequestsAndLimits(pod)
gpuMem, gpuNum := gpushareutils.GetGpuMemoryAndCountFromPodAnnotation(pod)
gpuMemReq := resource.NewQuantity(int64(gpuMem*gpuNum), resource.BinarySI)
cpuReq, _, memoryReq, _ := req[corev1.ResourceCPU], limit[corev1.ResourceCPU], req[corev1.ResourceMemory], limit[corev1.ResourceMemory]
gpuIndex := gpushareutils.GetGpuIdFromAnnotation(pod)
podOutputLine := []string{pod.Name, cpuReq.String(), memoryReq.String(), gpuMemReq.String(), pod.Spec.NodeName, gpuIndex}
podGpuTableData = append(podGpuTableData, podOutputLine)
}
// Send output
if err := podGpuTable.WithData(podGpuTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
}
}
}
func reportNodeInfo(nodeStatuses []simulator.NodeStatus, extendedResources []string) {
var nodeList []string
var selectedNodeList []string
selectedNodeMap := make(map[string]struct{})
for _, node := range nodeStatuses {
nodeList = append(nodeList, node.Node.Name)
}
var multiQs = []*survey.Question{
{
Name: "APPs",
Prompt: &survey.MultiSelect{
Message: "select nodes that you want to report:",
Options: nodeList,
},
},
}
err := survey.Ask(multiQs, &selectedNodeList)
if err != nil {
log.Fatalf("%v", err)
}
for _, nodeName := range selectedNodeList {
selectedNodeMap[nodeName] = struct{}{}
}
pterm.FgYellow.Println("Pod Info")
header := []string{
"Pod",
"CPU Requests",
"Memory Requests",
}
if containLocalStorage(extendedResources) {
header = append(header, "Volume Request")
}
if containGpu(extendedResources) {
header = append(header, "GPU Mem Requests")
}
header = append(header, "APP Name")
for _, status := range nodeStatuses {
node := status.Node
if _, selected := selectedNodeMap[node.Name]; !selected {
continue
}
pterm.FgYellow.Println(status.Node.Name)
podTable := pterm.DefaultTable.WithHasHeader()
var podTableData [][]string
podTableData = append(podTableData, header)
allocatable := node.Status.Allocatable
for _, pod := range status.Pods {
if pod.Spec.NodeName != node.Name {
continue
}
req, limit := resourcehelper.PodRequestsAndLimits(pod)
cpuReq, _, memoryReq, _ := req[corev1.ResourceCPU], limit[corev1.ResourceCPU], req[corev1.ResourceMemory], limit[corev1.ResourceMemory]
fractionCpuReq := float64(cpuReq.MilliValue()) / float64(allocatable.Cpu().MilliValue()) * 100
fractionMemoryReq := float64(memoryReq.Value()) / float64(allocatable.Memory().Value()) * 100
// app name
appname := ""
if str, exist := pod.Labels[simontype.LabelAppName]; exist {
appname = str
}
data := []string{
fmt.Sprintf("%s/%s", pod.Namespace, pod.Name),
fmt.Sprintf("%s(%d%%)", cpuReq.String(), int64(fractionCpuReq)),
fmt.Sprintf("%s(%d%%)", memoryReq.String(), int64(fractionMemoryReq)),
}
// Storage
if containLocalStorage(extendedResources) {
podVolumeStr := ""
if volumes := utils.GetPodStorage(pod); volumes != nil {
for i, volume := range volumes.Volumes {
volumeQuantity := resource.NewQuantity(volume.Size, resource.BinarySI)
volumeStr := fmt.Sprintf("<%d> %s: %s", i, volume.Kind, volumeQuantity.String())
podVolumeStr = podVolumeStr + volumeStr
if i+1 != len(volumes.Volumes) {
podVolumeStr = fmt.Sprintf("%s\n", podVolumeStr)
}
}
}
data = append(data, podVolumeStr)
}
// GPU
if containGpu(extendedResources) {
gpuMem, gpuNum := gpushareutils.GetGpuMemoryAndCountFromPodAnnotation(pod)
gpuMemReq := resource.NewQuantity(int64(gpuMem*gpuNum), resource.BinarySI)
fractionGpuMemReq := float64(gpuMemReq.Value()) / float64(allocatable.Name(gpushareutils.ResourceName, resource.BinarySI).Value()) * 100
data = append(data, fmt.Sprintf("%s(%d%%)", gpuMemReq.String(), int64(fractionGpuMemReq)))
}
data = append(data, appname)
podTableData = append(podTableData, data)
}
if err := podTable.WithData(podTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
pterm.FgYellow.Println()
}
}
func reportAppInfo(nodeStatuses []simulator.NodeStatus, appNameList []string) {
var selectedAppNameList []string
if len(appNameList) == 0 {
return
} else {
var multiQs = []*survey.Question{
{
Name: "APPs",
Prompt: &survey.MultiSelect{
Message: "Select apps to show:",
Options: appNameList,
},
},
}
err := survey.Ask(multiQs, &selectedAppNameList)
if err != nil {
log.Fatalf("%v", err)
}
pterm.FgYellow.Println("App Info")
header := []string{
"Pod",
"App Name",
}
selectedAppNameMap := make(map[string]struct{}, len(selectedAppNameList))
for _, name := range selectedAppNameList {
selectedAppNameMap[name] = struct{}{}
}
for _, status := range nodeStatuses {
podTable := pterm.DefaultTable.WithHasHeader()
var podTableData [][]string
podTableData = append(podTableData, header)
for _, pod := range status.Pods {
// app name
appname := ""
if str, exist := pod.Labels[simontype.LabelAppName]; exist {
appname = str
}
if _, exist := selectedAppNameMap[appname]; !exist {
continue
}
data := []string{
fmt.Sprintf("%s/%s", pod.Namespace, pod.Name),
appname,
}
podTableData = append(podTableData, data)
}
if len(podTableData) > 1 {
pterm.FgYellow.Println(status.Node.Name)
if err := podTable.WithData(podTableData).Render(); err != nil {
pterm.FgRed.Printf("fail to render cluster table: %s\n", err.Error())
os.Exit(1)
}
pterm.FgYellow.Println()
}
}
}
}
func satisfyResourceSetting(nodeStatuses []simulator.NodeStatus) (bool, string, error) {
var err error
var maxcpu int = 100
var maxmem int = 100
var maxvg int = 100
if str := os.Getenv(simontype.EnvMaxCPU); str != "" {
if maxcpu, err = strconv.Atoi(str); err != nil {
return false, "", fmt.Errorf("failed to convert env %s to int: %s ", simontype.EnvMaxCPU, err.Error())
}
if maxcpu > 100 || maxcpu < 0 {
maxcpu = 100
}
}
if str := os.Getenv(simontype.EnvMaxMemory); str != "" {
if maxmem, err = strconv.Atoi(str); err != nil {
return false, "", fmt.Errorf("failed to convert env %s to int: %s ", simontype.EnvMaxMemory, err.Error())
}
if maxmem > 100 || maxmem < 0 {
maxmem = 100
}
}
if str := os.Getenv(simontype.EnvMaxVG); str != "" {
if maxvg, err = strconv.Atoi(str); err != nil {
return false, "", fmt.Errorf("failed to convert env %s to int: %s ", simontype.EnvMaxVG, err.Error())
}
if maxvg > 100 || maxvg < 0 {
maxvg = 100
}
}
totalAllocatableResource := map[corev1.ResourceName]*resource.Quantity{
corev1.ResourceCPU: resource.NewQuantity(0, resource.DecimalSI),
corev1.ResourceMemory: resource.NewQuantity(0, resource.DecimalSI),
}
totalUsedResource := map[corev1.ResourceName]*resource.Quantity{
corev1.ResourceCPU: resource.NewQuantity(0, resource.DecimalSI),
corev1.ResourceMemory: resource.NewQuantity(0, resource.DecimalSI),
}
totalVGResource := localcache.SharedResource{}
var allPods []corev1.Pod
for _, status := range nodeStatuses {
for _, pod := range status.Pods {
allPods = append(allPods, *pod)
}
}
for _, status := range nodeStatuses {
node := status.Node
totalAllocatableResource[corev1.ResourceCPU].Add(*node.Status.Allocatable.Cpu())
totalAllocatableResource[corev1.ResourceMemory].Add(*node.Status.Allocatable.Memory())
reqs, _ := utils.GetPodsTotalRequestsAndLimitsByNodeName(allPods, node.Name)
totalUsedResource[corev1.ResourceCPU].Add(reqs[corev1.ResourceCPU])
totalUsedResource[corev1.ResourceMemory].Add(reqs[corev1.ResourceMemory])
if nodeStorageStr, exist := node.Annotations[simontype.AnnoNodeLocalStorage]; exist {
var nodeStorage utils.NodeStorage
if err := ffjson.Unmarshal([]byte(nodeStorageStr), &nodeStorage); err != nil {
return false, "", fmt.Errorf("error when unmarshal json data, node is %s\n", node.Name)
}
for _, vg := range nodeStorage.VGs {
totalVGResource.Requested += vg.Requested
totalVGResource.Capacity += vg.Capacity
}
}
}
cpuOccupancyRate := int(float64(totalUsedResource[corev1.ResourceCPU].MilliValue()) / float64(totalAllocatableResource[corev1.ResourceCPU].MilliValue()) * 100)
memoryOccupancyRate := int(float64(totalUsedResource[corev1.ResourceMemory].MilliValue()) / float64(totalAllocatableResource[corev1.ResourceMemory].MilliValue()) * 100)
if cpuOccupancyRate > maxcpu {
return false, fmt.Sprintf("the average occupancy rate(%d%%) of cpu goes beyond the env setting(%d%%)\n", cpuOccupancyRate, maxcpu), nil
}
if memoryOccupancyRate > maxmem {
return false, fmt.Sprintf("the average occupancy rate(%d%%) of memory goes beyond the env setting(%d%%)\n", memoryOccupancyRate, maxmem), nil
}
if totalVGResource.Capacity != 0 {
vgOccupancyRate := int(float64(totalVGResource.Requested) / float64(totalVGResource.Capacity) * 100)
if vgOccupancyRate > maxvg {
return false, fmt.Sprintf("the average occupancy rate(%d%%) of vg goes beyond the env setting(%d%%)\n", vgOccupancyRate, maxvg), nil
}
}
return true, "", nil
}
func containLocalStorage(extendedResources []string) bool {
for _, res := range extendedResources {
if res == "open-local" {
return true
}
}
return false
}
func containGpu(extendedResources []string) bool {
for _, res := range extendedResources {
if res == "gpu" {
return true
}
}
return false
}