mirror of https://github.com/linkerd/linkerd2.git
105 lines
3.0 KiB
Go
105 lines
3.0 KiB
Go
package cmd
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import (
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"context"
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"fmt"
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"os"
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"github.com/pkg/browser"
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healthcheckPb "github.com/runconduit/conduit/controller/gen/common/healthcheck"
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pb "github.com/runconduit/conduit/controller/gen/public"
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"github.com/runconduit/conduit/pkg/k8s"
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"github.com/runconduit/conduit/pkg/shell"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var dashboardProxyPort int
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var dashboardSkipBrowser bool
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var dashboardCmd = &cobra.Command{
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Use: "dashboard [flags]",
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Short: "Open the Conduit dashboard in a web browser",
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RunE: func(cmd *cobra.Command, args []string) error {
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if dashboardProxyPort < 0 {
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return fmt.Errorf("port must be greater than or equal to zero, was %d", dashboardProxyPort)
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}
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shellHomeDir := shell.NewUnixShell().HomeDir()
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kubernetesProxy, err := k8s.InitK8sProxy(shellHomeDir, kubeconfigPath, dashboardProxyPort)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to initialize proxy: %s\n", err)
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os.Exit(1)
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}
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url, err := kubernetesProxy.URLFor(controlPlaneNamespace, "/services/web:http/proxy/")
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to generate URL for dashboard: %s\n", err)
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os.Exit(1)
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}
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client, err := newPublicAPIClient()
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to initialize Conduit API client: %+v\n", err)
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os.Exit(1)
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}
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dashboardAvailable, err := isDashboardAvailable(client)
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if err != nil {
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log.Debugf("Error checking dashboard availability: %s", err)
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}
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if err != nil || !dashboardAvailable {
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fmt.Fprintf(os.Stderr, "Conduit is not running in the \"%s\" namespace\n", controlPlaneNamespace)
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fmt.Fprintf(os.Stderr, "Install with: conduit install -n %s | kubectl apply -f -\n", controlPlaneNamespace)
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os.Exit(1)
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}
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fmt.Printf("Conduit dashboard available at:\n%s\n", url.String())
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if !dashboardSkipBrowser {
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fmt.Println("Opening the default browser")
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err = browser.OpenURL(url.String())
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to open URL %s in the default browser: %s", url, err)
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os.Exit(1)
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}
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}
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// blocks until killed
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err = kubernetesProxy.Run()
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error running proxy: %s", err)
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os.Exit(1)
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}
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return nil
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},
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}
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func isDashboardAvailable(client pb.ApiClient) (bool, error) {
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res, err := client.SelfCheck(context.Background(), &healthcheckPb.SelfCheckRequest{})
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if err != nil {
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return false, err
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}
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for _, result := range res.Results {
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if result.Status != healthcheckPb.CheckStatus_OK {
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return false, nil
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}
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}
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return true, nil
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}
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func init() {
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RootCmd.AddCommand(dashboardCmd)
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addControlPlaneNetworkingArgs(dashboardCmd)
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dashboardCmd.Args = cobra.NoArgs
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// This is identical to what `kubectl proxy --help` reports, `--port 0`
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// indicates a random port.
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dashboardCmd.PersistentFlags().IntVarP(&dashboardProxyPort, "port", "p", 0, "The port on which to run the proxy. When set to 0, a random port will be used.")
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dashboardCmd.PersistentFlags().BoolVar(&dashboardSkipBrowser, "url", false, "Display the Conduit dashboard URL in the CLI instead of opening it in the default browser")
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}
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