Warn user of kubeconfig context switch during sky local up

Author: hemildesai

sky/cli.py

@@ -4419,6 +4419,15 @@ def local():
 def local_up():
     """Creates a local cluster."""
     cluster_created = False
+    # Check if ~/.kube/config exists:
+    if os.path.exists(os.path.expanduser('~/.kube/config')):
+        current_context = kubernetes_utils.get_current_kube_config_context()
+        skypilot_context = "kind-skypilot"
+        if current_context is not None and current_context != skypilot_context:
+            click.echo(
+                f'Current context in kube config: {current_context}'
+                '\nWill automatically switch to kind-skypilot after the local cluster is created.'
+            )
     with log_utils.safe_rich_status('Creating local cluster...'):
         path_to_package = os.path.dirname(os.path.dirname(__file__))
         up_script_path = os.path.join(path_to_package, 'sky/utils/kubernetes',

sky/skylet/providers/kubernetes/utils.py

@@ -1,4 +1,4 @@
-from typing import List, Tuple, Optional
+from typing import List, Tuple, Optional, Union
 
 from sky import status_lib
 from sky.adaptors import kubernetes
@@ -66,3 +66,18 @@ def get_cluster_status(cluster_name: str,
             cluster_status.append(status_lib.ClusterStatus.INIT)
     # If pods are not found, we don't add them to the return list
     return cluster_status
+
+
+def get_current_kube_config_context() -> Union[str, None]:
+    """
+    Get the current kubernetes context from the kubeconfig file
+
+    Returns:
+        str | None: The current kubernetes context if it exists, None otherwise
+    """
+    k8s = kubernetes.get_kubernetes()
+    try:
+        _, current_context = k8s.config.list_kube_config_contexts()
+        return current_context['name']
+    except k8s.config.config_exception.ConfigException:
+        return None