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speedtest.go
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130 lines (123 loc) · 3.65 KB
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package cli
import (
"context"
"fmt"
"time"
"github.com/jedib0t/go-pretty/v6/table"
"github.com/spf13/cobra"
"golang.org/x/xerrors"
tsspeedtest "tailscale.com/net/speedtest"
"cdr.dev/slog"
"cdr.dev/slog/sloggers/sloghuman"
"github.com/coder/coder/cli/cliflag"
"github.com/coder/coder/cli/cliui"
"github.com/coder/coder/codersdk"
)
func speedtest() *cobra.Command {
var (
direct bool
duration time.Duration
reverse bool
)
cmd := &cobra.Command{
Annotations: workspaceCommand,
Use: "speedtest <workspace>",
Args: cobra.ExactArgs(1),
Short: "Run upload and download tests from your machine to a workspace",
RunE: func(cmd *cobra.Command, args []string) error {
ctx, cancel := context.WithCancel(cmd.Context())
defer cancel()
client, err := CreateClient(cmd)
if err != nil {
return xerrors.Errorf("create codersdk client: %w", err)
}
workspace, workspaceAgent, err := getWorkspaceAndAgent(ctx, cmd, client, codersdk.Me, args[0], false)
if err != nil {
return err
}
err = cliui.Agent(ctx, cmd.ErrOrStderr(), cliui.AgentOptions{
WorkspaceName: workspace.Name,
Fetch: func(ctx context.Context) (codersdk.WorkspaceAgent, error) {
return client.WorkspaceAgent(ctx, workspaceAgent.ID)
},
})
if err != nil {
return xerrors.Errorf("await agent: %w", err)
}
logger := slog.Make(sloghuman.Sink(cmd.ErrOrStderr()))
if cliflag.IsSetBool(cmd, varVerbose) {
logger = logger.Leveled(slog.LevelDebug)
}
conn, err := client.DialWorkspaceAgent(ctx, workspaceAgent.ID, &codersdk.DialWorkspaceAgentOptions{
Logger: logger,
})
if err != nil {
return err
}
defer conn.Close()
if direct {
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return ctx.Err()
case <-ticker.C:
}
dur, p2p, err := conn.Ping(ctx)
if err != nil {
continue
}
status := conn.Status()
if len(status.Peers()) != 1 {
continue
}
peer := status.Peer[status.Peers()[0]]
if !p2p && direct {
cmd.Printf("Waiting for a direct connection... (%dms via %s)\n", dur.Milliseconds(), peer.Relay)
continue
}
via := peer.Relay
if via == "" {
via = "direct"
}
cmd.Printf("%dms via %s\n", dur.Milliseconds(), via)
break
}
} else {
conn.AwaitReachable(ctx)
}
dir := tsspeedtest.Download
if reverse {
dir = tsspeedtest.Upload
}
cmd.Printf("Starting a %ds %s test...\n", int(duration.Seconds()), dir)
results, err := conn.Speedtest(ctx, dir, duration)
if err != nil {
return err
}
tableWriter := cliui.Table()
tableWriter.AppendHeader(table.Row{"Interval", "Transfer", "Bandwidth"})
startTime := results[0].IntervalStart
for _, r := range results {
if r.Total {
tableWriter.AppendSeparator()
}
tableWriter.AppendRow(table.Row{
fmt.Sprintf("%.2f-%.2f sec", r.IntervalStart.Sub(startTime).Seconds(), r.IntervalEnd.Sub(startTime).Seconds()),
fmt.Sprintf("%.4f MBits", r.MegaBits()),
fmt.Sprintf("%.4f Mbits/sec", r.MBitsPerSecond()),
})
}
_, err = fmt.Fprintln(cmd.OutOrStdout(), tableWriter.Render())
return err
},
}
cliflag.BoolVarP(cmd.Flags(), &direct, "direct", "d", "", false,
"Specifies whether to wait for a direct connection before testing speed.")
cliflag.BoolVarP(cmd.Flags(), &reverse, "reverse", "r", "", false,
"Specifies whether to run in reverse mode where the client receives and the server sends.")
cmd.Flags().DurationVarP(&duration, "time", "t", tsspeedtest.DefaultDuration,
"Specifies the duration to monitor traffic.")
return cmd
}