feat: add ability for users to specify alternative kubeconfig and kubecontext

This will provide the possibility for users to talk to existing kubernetes clusters, thereby removing one of the biggest reasons for having the old scheduler-kubernetes plugin around.

plugins/scheduler-k3s/report.go

@@ -17,6 +17,8 @@ func ReportSingleApp(appName string, format string, infoFlag string) error {
 		"--scheduler-k3s-computed-image-pull-secrets":   reportComputedImagePullSecrets,
 		"--scheduler-k3s-image-pull-secrets":            reportImagePullSecrets,
 		"--scheduler-k3s-global-image-pull-secrets":     reportGlobalImagePullSecrets,
+		"--scheduler-k3s-global-kubeconfig-path":        reportGlobalKubeconfigPath,
+		"--scheduler-k3s-global-kube-context":           reportGlobalKubeContext,
 		"--scheduler-k3s-computed-letsencrypt-server":   reportComputedLetsencryptServer,
 		"--scheduler-k3s-letsencrypt-server":            reportLetsencryptServer,
 		"--scheduler-k3s-global-letsencrypt-server":     reportGlobalLetsencryptServer,
@@ -71,6 +73,13 @@ func reportGlobalIngressClass(appName string) string {
 	return getGlobalIngressClass()
 }
 
+func reportGlobalKubeconfigPath(appName string) string {
+	return getKubeconfigPath()
+}
+
+func reportGlobalKubeContext(appName string) string {
+	return getKubeContext()
+}
 func reportComputedLetsencryptServer(appName string) string {
 	return getComputedLetsencryptServer(appName)
 }