Prevent login spam on large clusters

Added conditional to project list that will suppress project
list output on login if the list is greater than 50.

One last commit to correct suppressed being misspelled

Bug 1542326

Author: Oats87

pkg/oc/cli/cmd/login/loginoptions.go

@@ -34,6 +34,8 @@ import (
 
 const defaultClusterURL = "https://localhost:8443"
 
+const projectsItemsSuppressThreshold = 50 
+
 // LoginOptions is a helper for the login and setup process, gathers all information required for a
 // successful login and eventual update of config files.
 // Depending on the Reader present it can be interactive, asking for terminal input in
@@ -316,16 +318,21 @@ func (o *LoginOptions) gatherProjectInfo() error {
 			return err
 		}
 		o.Project = current.Name
-
-		fmt.Fprintf(o.Out, "You have access to the following projects and can switch between them with '%s project <projectname>':\n\n", o.CommandName)
-		for _, p := range projects.List() {
-			if o.Project == p {
-				fmt.Fprintf(o.Out, "  * %s\n", p)
-			} else {
-				fmt.Fprintf(o.Out, "    %s\n", p)
+		
+		// Suppress project listing if the number of projects available to the user is greater than the threshold. Prevents unnecessarily noisy logins on clusters with large numbers of projects
+		if len(projectsItems) > projectsItemsSuppressThreshold {
+			fmt.Fprintf(o.Out, "You have access to %d projects, the list has been suppressed. You can list all projects with '%s projects'\n\n", len(projectsItems), o.CommandName)
+		} else {
+			fmt.Fprintf(o.Out, "You have access to the following projects and can switch between them with '%s project <projectname>':\n\n", o.CommandName)
+			for _, p := range projects.List() {
+				if o.Project == p {
+					fmt.Fprintf(o.Out, "  * %s\n", p)
+				} else {
+					fmt.Fprintf(o.Out, "    %s\n", p)
+				}
 			}
+			fmt.Fprintln(o.Out)
 		}
-		fmt.Fprintln(o.Out)
 		fmt.Fprintf(o.Out, "Using project %q.\n", o.Project)
 	}