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Merge pull request #5 from yan234280533/dev-ensurance-2-crane-agent
add crane agent , int crane agent it contained the node-qos-ensurance-policy-controller
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| package app | ||
|
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| import ( | ||
| "context" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
|
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| "github.com/gocrane/crane/pkg/utils" | ||
| "k8s.io/client-go/rest" | ||
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| ensuaranceapi "github.com/gocrane/api/ensurance/v1alpha1" | ||
| ensuaranceset "github.com/gocrane/api/pkg/generated/clientset/versioned" | ||
| "github.com/gocrane/crane/cmd/crane-agent/app/options" | ||
| "github.com/gocrane/crane/pkg/ensurance/analyzer" | ||
| "github.com/gocrane/crane/pkg/ensurance/avoidance" | ||
| "github.com/gocrane/crane/pkg/ensurance/executor" | ||
| einformer "github.com/gocrane/crane/pkg/ensurance/informer" | ||
| "github.com/gocrane/crane/pkg/ensurance/manager" | ||
| "github.com/gocrane/crane/pkg/ensurance/statestore" | ||
| "github.com/gocrane/crane/pkg/utils/log" | ||
| "github.com/spf13/cobra" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| utilruntime "k8s.io/apimachinery/pkg/util/runtime" | ||
| "k8s.io/client-go/kubernetes" | ||
| clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
| ) | ||
|
|
||
| var ( | ||
| scheme = runtime.NewScheme() | ||
| ) | ||
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| func init() { | ||
| utilruntime.Must(clientgoscheme.AddToScheme(scheme)) | ||
| utilruntime.Must(ensuaranceapi.AddToScheme(scheme)) | ||
| //+kubebuilder:scaffold:scheme | ||
| } | ||
|
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| // NewManagerCommand creates a *cobra.Command object with default parameters | ||
| func NewManagerCommand(ctx context.Context) *cobra.Command { | ||
| opts := options.NewOptions() | ||
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| cmd := &cobra.Command{ | ||
| Use: "crane-agent", | ||
| Long: `The crane agent is responsible agent in crane`, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| if err := opts.Complete(); err != nil { | ||
| log.Logger().Error(err, "opts complete failed,exit") | ||
| os.Exit(255) | ||
| } | ||
| if err := opts.Validate(); err != nil { | ||
| log.Logger().Error(err, "opts validate failed,exit") | ||
| os.Exit(255) | ||
| } | ||
|
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| if err := Run(ctx, opts); err != nil { | ||
| fmt.Fprintf(os.Stderr, "%v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| }, | ||
| } | ||
|
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| cmd.Flags().AddGoFlagSet(flag.CommandLine) | ||
| opts.AddFlags(cmd.Flags()) | ||
| return cmd | ||
| } | ||
|
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| // Run runs the crane-agent with options. This should never exit. | ||
| func Run(ctx context.Context, opts *options.Options) error { | ||
|
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| if opts.HostnameOverride == "" { | ||
| log.Logger().Error(nil, "HostnameOverride must be set as the k8s node name") | ||
| os.Exit(1) | ||
| } | ||
|
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| log.Logger().V(2).Info(fmt.Sprintf("opts %v", opts)) | ||
|
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| config, err := rest.InClusterConfig() | ||
| if err != nil { | ||
| log.Logger().Error(err, "InClusterConfig failed") | ||
| } | ||
|
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| stop := utils.SetupSignalHandler() | ||
|
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| // init context | ||
| ec := initializeContext(config, opts, stop) | ||
| ec.Run() | ||
|
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| // init managers | ||
| components := initializeManagers(opts, ec) | ||
|
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| // start managers | ||
| for _, v := range components { | ||
| log.Logger().V(2).Info(fmt.Sprintf("Starting manager %s", v.Name())) | ||
| v.Run(ec.GetStop()) | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func initializeManagers(opts *options.Options, ec *einformer.Context) []manager.Manager { | ||
| log.Logger().V(2).Info(fmt.Sprintf("initializeManagers")) | ||
|
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| var managers []manager.Manager | ||
| podInformer := ec.GetPodInformer() | ||
| nodeInformer := ec.GetNodeInformer() | ||
| nepInformer := ec.GetNepInformer() | ||
| avoidanceInformer := ec.GetAvoidanceInformer() | ||
|
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| var noticeCh = make(chan executor.AvoidanceExecutor) | ||
|
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| // init state store manager | ||
| stateStoreManager := statestore.NewStateStoreManager(nepInformer) | ||
| managers = append(managers, stateStoreManager) | ||
|
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| // init analyzer manager | ||
| analyzerManager := analyzer.NewAnalyzerManager(opts.HostnameOverride, podInformer, nodeInformer, nepInformer, avoidanceInformer, stateStoreManager, ec.GetRecorder(), noticeCh) | ||
| managers = append(managers, analyzerManager) | ||
|
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| // init avoidance manager | ||
| avoidanceManager := avoidance.NewAvoidanceManager(ec.GetKubeClient(), opts.HostnameOverride, podInformer, nodeInformer, avoidanceInformer, noticeCh) | ||
| managers = append(managers, avoidanceManager) | ||
|
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| return managers | ||
| } | ||
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| func initializeContext(config *rest.Config, opts *options.Options, stop <-chan struct{}) *einformer.Context { | ||
| log.Logger().V(2).Info(fmt.Sprintf("initializationContext")) | ||
|
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| generatedClient := kubernetes.NewForConfigOrDie(config) | ||
| clientSet := ensuaranceset.NewForConfigOrDie(config) | ||
|
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| return einformer.NewContextWithClient(generatedClient, clientSet, opts.HostnameOverride, stop) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package options | ||
|
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| import ( | ||
| "github.com/spf13/pflag" | ||
| ) | ||
|
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| // Options hold the command-line options about crane manager | ||
| type Options struct { | ||
| // HostnameOverride is the name of k8s node | ||
| HostnameOverride string | ||
| } | ||
|
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| // NewOptions builds an empty options. | ||
| func NewOptions() *Options { | ||
| return &Options{} | ||
| } | ||
|
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| // Complete completes all the required options. | ||
| func (o *Options) Complete() error { | ||
| return nil | ||
| } | ||
|
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| // Validate all required options. | ||
| func (o *Options) Validate() error { | ||
| return nil | ||
| } | ||
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| // AddFlags adds flags to the specified FlagSet. | ||
| func (o *Options) AddFlags(flags *pflag.FlagSet) { | ||
| flags.StringVar(&o.HostnameOverride, "hostname-override", "", "Which is the name of k8s node be used to filtered.") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package main | ||
|
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| import ( | ||
| "fmt" | ||
| "os" | ||
|
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| genericapiserver "k8s.io/apiserver/pkg/server" | ||
| "k8s.io/component-base/logs" | ||
|
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| "github.com/gocrane/crane/cmd/crane-agent/app" | ||
| "github.com/gocrane/crane/pkg/utils/log" | ||
| ) | ||
|
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| // crane-agent main. | ||
| func main() { | ||
| logs.InitLogs() | ||
| defer logs.FlushLogs() | ||
|
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| log.Init("crane-agent") | ||
|
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| ctx := genericapiserver.SetupSignalContext() | ||
|
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| if err := app.NewManagerCommand(ctx).Execute(); err != nil { | ||
| fmt.Fprintf(os.Stderr, "%v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
|
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| apiVersion: v1 | ||
| kind: Namespace | ||
| metadata: | ||
| name: crane-system | ||
|
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| --- | ||
| apiVersion: apps/v1 | ||
| kind: DaemonSet | ||
| metadata: | ||
| labels: | ||
| app: crane-agent | ||
| name: crane-agent | ||
| namespace: crane-system | ||
| spec: | ||
| revisionHistoryLimit: 10 | ||
| selector: | ||
| matchLabels: | ||
| app: crane-agent | ||
| template: | ||
| metadata: | ||
| labels: | ||
| app: crane-agent | ||
| spec: | ||
| containers: | ||
| - env: | ||
| - name: NODE_NAME | ||
| valueFrom: | ||
| fieldRef: | ||
| apiVersion: v1 | ||
| fieldPath: spec.nodeName | ||
| image: docker.io/gocrane/crane-agent:0b506ba | ||
| imagePullPolicy: Always | ||
| command: | ||
| - /crane-agent | ||
| - -v=4 | ||
| name: crane-agent | ||
| restartPolicy: Always | ||
| priorityClassName: system-node-critical | ||
| serviceAccount: crane-agent |
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