ca0f89d3bc
The Cobra commands are now a light wrapper around the App struct. Co-authored-by: Jose Garcia <josebalius@github.com>
93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
package ghcs
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import (
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"fmt"
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"log"
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"strconv"
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"strings"
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"github.com/lightstep/lightstep-tracer-go"
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"github.com/opentracing/opentracing-go"
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"github.com/spf13/cobra"
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)
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var version = "DEV" // Replaced in the release build process (by GoReleaser or Homebrew) by the git tag version number.
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func NewRootCmd(app *App) *cobra.Command {
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var lightstep string
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root := &cobra.Command{
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Use: "ghcs",
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SilenceUsage: true, // don't print usage message after each error (see #80)
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SilenceErrors: false, // print errors automatically so that main need not
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Long: `Unofficial CLI tool to manage GitHub Codespaces.
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Running commands requires the GITHUB_TOKEN environment variable to be set to a
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token to access the GitHub API with.`,
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Version: version,
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PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
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return initLightstep(lightstep)
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},
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}
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root.PersistentFlags().StringVar(&lightstep, "lightstep", "", "Lightstep tracing endpoint (service:token@host:port)")
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root.AddCommand(newCodeCmd(app))
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root.AddCommand(newCreateCmd(app))
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root.AddCommand(newDeleteCmd(app))
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root.AddCommand(newListCmd(app))
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root.AddCommand(newLogsCmd(app))
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root.AddCommand(newPortsCmd(app))
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root.AddCommand(newSSHCmd(app))
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return root
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}
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// initLightstep parses the --lightstep=service:token@host:port flag and
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// enables tracing if non-empty.
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func initLightstep(config string) error {
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if config == "" {
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return nil
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}
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cut := func(s, sep string) (pre, post string) {
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if i := strings.Index(s, sep); i >= 0 {
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return s[:i], s[i+len(sep):]
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}
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return s, ""
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}
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// Parse service:token@host:port.
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serviceToken, hostPort := cut(config, "@")
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service, token := cut(serviceToken, ":")
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host, port := cut(hostPort, ":")
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portI, err := strconv.Atoi(port)
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if err != nil {
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return fmt.Errorf("invalid Lightstep configuration: %s", config)
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}
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opentracing.SetGlobalTracer(lightstep.NewTracer(lightstep.Options{
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AccessToken: token,
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Collector: lightstep.Endpoint{
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Host: host,
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Port: portI,
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Plaintext: false,
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},
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Tags: opentracing.Tags{
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lightstep.ComponentNameKey: service,
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},
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}))
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// Report failure to record traces.
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lightstep.SetGlobalEventHandler(func(ev lightstep.Event) {
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switch ev := ev.(type) {
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case lightstep.EventStatusReport, lightstep.MetricEventStatusReport:
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// ignore
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default:
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log.Printf("[trace] %s", ev)
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}
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})
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return nil
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}
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