Global Plugin Reload: OSS Changes Take II (#9347)

* Carefully move changes from the plugin-cluster-reload branch into this clean branch off master.

* Don't test this at this level, adequately covered in the api level tests

* Change PR link

* go.mod

* Vendoring

* Vendor api/sys_plugins.go

command/plugin_reload_status.go

@@ -0,0 +1,91 @@
+package command
+
+import (
+	"fmt"
+	"github.com/hashicorp/vault/api"
+	"github.com/mitchellh/cli"
+	"github.com/posener/complete"
+	"strings"
+)
+
+var _ cli.Command = (*PluginReloadCommand)(nil)
+var _ cli.CommandAutocomplete = (*PluginReloadCommand)(nil)
+
+type PluginReloadStatusCommand struct {
+	*BaseCommand
+}
+
+func (c *PluginReloadStatusCommand) Synopsis() string {
+	return "Get the status of an active or recently completed global plugin reload"
+}
+
+func (c *PluginReloadStatusCommand) Help() string {
+	helpText := `
+Usage: vault plugin reload-status RELOAD_ID
+
+  Retrieves the status of a recent cluster plugin reload.  The reload id must be provided.
+
+	  $ vault plugin reload-status d60a3e83-a598-4f3a-879d-0ddd95f11d4e
+
+` + c.Flags().Help()
+
+	return strings.TrimSpace(helpText)
+}
+
+func (c *PluginReloadStatusCommand) Flags() *FlagSets {
+	return c.flagSet(FlagSetHTTP)
+}
+
+func (c *PluginReloadStatusCommand) AutocompleteArgs() complete.Predictor {
+	return complete.PredictNothing
+}
+
+func (c *PluginReloadStatusCommand) AutocompleteFlags() complete.Flags {
+	return c.Flags().Completions()
+}
+
+func (c *PluginReloadStatusCommand) Run(args []string) int {
+	f := c.Flags()
+
+	if err := f.Parse(args); err != nil {
+		c.UI.Error(err.Error())
+		return 1
+	}
+
+	args = f.Args()
+	switch {
+	case len(args) < 1:
+		c.UI.Error(fmt.Sprintf("Not enough arguments (expected 1, got %d)", len(args)))
+		return 1
+	case len(args) > 1:
+		c.UI.Error(fmt.Sprintf("Too many arguments (expected 1, got %d)", len(args)))
+		return 1
+	}
+
+	reloadId := strings.TrimSpace(args[0])
+
+	client, err := c.Client()
+	if err != nil {
+		c.UI.Error(err.Error())
+		return 2
+	}
+
+	r, err := client.Sys().ReloadPluginStatus(&api.ReloadPluginStatusInput{
+		ReloadID: reloadId,
+	})
+
+	if err != nil {
+		c.UI.Error(fmt.Sprintf("Error retrieving plugin reload status: %s", err))
+		return 2
+	}
+	out := []string{"Time | Participant | Success | Message "}
+	for i, s := range r.Results {
+		out = append(out, fmt.Sprintf("%s | %s | %t | %s ",
+			s.Timestamp.Format("15:04:05"),
+			i,
+			s.Success,
+			s.Message))
+	}
+	c.UI.Output(tableOutput(out, nil))
+	return 0
+}