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Signed-off-by: Alec Holmes <[email protected]>
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| # Benchmark Client | ||
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| This test client provides simulation of various workloads when communicating with the go-control-plane management server. |
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| @@ -0,0 +1,47 @@ | ||
| package main | ||
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| import ( | ||
| "log" | ||
| "os" | ||
| "runtime" | ||
| "time" | ||
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| "github.com/envoyproxy/go-control-plane/benchmarks/client/xds" | ||
| "github.com/urfave/cli/v2" | ||
| ) | ||
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| func main() { | ||
| // Statically set the max procs | ||
| runtime.GOMAXPROCS(runtime.NumCPU()) | ||
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| app := &cli.App{ | ||
| Name: "xds-benchmark", | ||
| Usage: "xds benchmarking tool that simulates client workload", | ||
| Commands: []*cli.Command{ | ||
| { | ||
| Name: "run", | ||
| Aliases: []string{"r"}, | ||
| Usage: "run the benchmark with the provided duration", | ||
| Action: func(c *cli.Context) error { | ||
| arg := c.Args().First() | ||
| dur, err := time.ParseDuration(arg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| sess, err := xds.NewSession("localhost:50000") | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| return sess.Simulate(dur) | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
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| err := app.Run(os.Args) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| package xds | ||
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| // Options are configuration settings for the discovery object | ||
| type Options struct { | ||
| NodeID string | ||
| Zone string | ||
| Cluster string | ||
| ResourceNames []string // List of Envoy resource names to subscribe to | ||
| ResourceType string // ex: type.googleapis.com/envoy.api.v2.ClusterLoadAssignment | ||
| } | ||
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| // Option follows the functional opts pattern | ||
| type Option func(*Options) | ||
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| // WithNode will inject the node id into the configuration object | ||
| func WithNode(id string) Option { | ||
| return func(o *Options) { | ||
| o.NodeID = id | ||
| } | ||
| } | ||
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| // WithZone will specificy which zone to use in the xDS discovery request | ||
| func WithZone(zone string) Option { | ||
| return func(o *Options) { | ||
| o.Zone = zone | ||
| } | ||
| } | ||
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| // WithCluster will specificy which cluster the request is announcing as | ||
| func WithCluster(cluster string) Option { | ||
| return func(o *Options) { | ||
| o.Cluster = cluster | ||
| } | ||
| } | ||
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| // WithResourceNames will inject a list of resources the user wants to place watches on | ||
| func WithResourceNames(names []string) Option { | ||
| return func(o *Options) { | ||
| o.ResourceNames = names | ||
| } | ||
| } | ||
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| // WithResourceType will inject the specific resource type that a user wants to stream | ||
| func WithResourceType(resource string) Option { | ||
| return func(o *Options) { | ||
| o.ResourceType = resource | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package xds | ||
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| import ( | ||
| "time" | ||
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| "google.golang.org/grpc" | ||
| ) | ||
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| // Sess holds a grpc connection as well as config options to use during the simulation | ||
| type Sess struct { | ||
| Session *grpc.ClientConn | ||
| Opts Options | ||
| } | ||
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| // NewSession will dial a new benchmarking session with the configured options | ||
| func NewSession(url string, opts ...Option) (*Sess, error) { | ||
| var options Options | ||
| for _, o := range opts { | ||
| o(&options) | ||
| } | ||
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| conn, err := grpc.Dial(url, grpc.WithBlock(), grpc.WithInsecure()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return &Sess{ | ||
| Session: conn, | ||
| Opts: options, | ||
| }, nil | ||
| } | ||
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| // Simulate will start an xDS stream which provides simulatest clients communicating with an xDS server | ||
| func (s *Sess) Simulate(target time.Duration) error { | ||
| // Create a loop that will continually do work until the elapsed time as passed | ||
| for timeout := time.After(target); ; { | ||
| select { | ||
| case <-timeout: | ||
| return nil | ||
| default: | ||
| // Do some work | ||
|
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| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| package xds |
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