introduce cluster list cli cmd

runhouse/main.py

@@ -1,3 +1,4 @@
+import asyncio
 import datetime
 import importlib
 import logging
@@ -9,6 +10,8 @@
 from pathlib import Path
 from typing import Any, Dict, List, Optional
 
+import httpx
+
 import ray
 
 import requests
@@ -17,6 +20,7 @@
 import typer
 import yaml
 from rich.console import Console
+from rich.table import Table
 
 import runhouse as rh
 
@@ -41,9 +45,18 @@
     kill_actors,
 )
 
+from runhouse.utils import get_status_color
+
 # create an explicit Typer application
 app = typer.Typer(add_completion=False)
 
+# creating a cluster app so we could create subcommands of cluster (i.e runhouse cluster list)
+italic_bold_ansi = "\x1B[3m\x1B[1m"
+reset_format = "\x1B[0m"
+cluster_app = typer.Typer(
+    help=f"Cluster information commands. For more info run {italic_bold_ansi}runhouse cluster --help{reset_format}"
+)
+
 # For printing with typer
 console = Console()
 
@@ -512,6 +525,9 @@ def _print_status(status_data: dict, current_cluster: Cluster) -> None:
     _print_envs_info(env_servlet_processes, current_cluster)
 
 
+###############################
+# Cluster CLI commands
+###############################
 @app.command()
 def status(
     cluster_name: str = typer.Argument(
@@ -578,6 +594,93 @@ def status(
     _print_status(cluster_status, current_cluster)
 
 
+async def aget_clusters_from_den():
+    httpx_client = httpx.AsyncClient()
+
+    get_clusters_params = {"resource_type": "cluster", "folder": rns_client.username}
+    clusters_in_den_resp = await httpx_client.get(
+        f"{rns_client.api_server_url}/resource",
+        params=get_clusters_params,
+        headers=rns_client.request_headers(),
+    )
+
+    return clusters_in_den_resp
+
+
+def get_clusters_from_den():
+    return asyncio.run(aget_clusters_from_den())
+
+
+@cluster_app.command("list")
+def cluster_list():
+    """Load Runhouse clusters"""
+    import sky
+
+    # logged out case
+    if not rh.configs.token:
+        # TODO [SB]: adjust msg formatting (coloring etc)
+        sky_cli_command_formatted = f"{italic_bold_ansi}sky status -r{reset_format}"  # will be printed bold and italic
+        console.print(
+            f"This feature is available only for Den users. Please run {sky_cli_command_formatted} to get on-demand cluster(s) information or sign-up Den."
+        )
+        return
+
+    on_demand_clusters_sky = sky.status(refresh=True)
+
+    clusters_in_den_resp = get_clusters_from_den()
+
+    if clusters_in_den_resp.status_code != 200:
+        logger.error(f"Failed to load {rns_client.username}'s clusters from Den")
+        clusters_in_den = []
+    else:
+        clusters_in_den = clusters_in_den_resp.json().get("data")
+
+    clusters_in_den_names = [cluster.get("name") for cluster in clusters_in_den]
+
+    if not on_demand_clusters_sky and not clusters_in_den:
+        console.print("No existing clusters.")
+
+    if on_demand_clusters_sky:
+        # getting the on-demand clusters that are not saved in den.
+        on_demand_clusters_sky = [
+            cluster
+            for cluster in on_demand_clusters_sky
+            if f'/{rns_client.username}/{cluster.get("name")}'
+            not in clusters_in_den_names
+        ]
+
+    total_clusters = len(clusters_in_den)
+    table_title = f"[bold cyan]{rns_client.username}'s Clusters (Total: {total_clusters})[/bold cyan]"
+
+    table = Table(title=table_title)
+
+    # Add columns to the table
+    table.add_column("Name", justify="left", no_wrap=True)
+    table.add_column("Cluster Type", justify="center", no_wrap=True)
+    table.add_column("Status", justify="left")
+
+    for den_cluster in clusters_in_den:
+        # get just name, not full rns address. reset is used so the name will be printed all in white.
+        cluster_name = f'[reset]{den_cluster.get("name").split("/")[-1]}'
+        cluster_type = den_cluster.get("data").get("resource_subtype")
+        cluster_status = (
+            den_cluster.get("status") if den_cluster.get("status") else "unknown"
+        )
+        cluster_status_colored = get_status_color(cluster_status)
+        table.add_row(cluster_name, cluster_type, cluster_status_colored)
+
+    console.print(table)
+
+    if len(on_demand_clusters_sky) > 0:
+        console.print(
+            f"There are {len(on_demand_clusters_sky)} live clusters that are not saved in Den. To get information about them, please run [bold italic]sky status -r[/bold italic]."
+        )
+
+
+# Register the 'cluster' command group with the main runhouse application
+app.add_typer(cluster_app, name="cluster")
+
+
 def load_cluster(cluster_name: str):
     """Load a cluster from RNS into the local environment, e.g. to be able to ssh."""
     c = cluster(name=cluster_name)

runhouse/utils.py

@@ -652,3 +652,15 @@ def get_gpu_usage(collected_gpus_info: dict, servlet_type: ServletType):
         gpu_usage["utilization_percent"] = gpu_utilization_percent
 
     return gpu_usage
+
+
+class StatusColors(str, Enum):
+    RUNNING = "[green]Running[/green]"
+    SERVER_DOWN = "[orange1]Runhouse server down[/orange1]"
+    TERMINATED = "[red]Terminated[/red]"
+    UNKNOWN = "Unknown"
+    LOCAL_CLUSTER = "[bright_yellow]Local cluster[/bright_yellow]"
+
+
+def get_status_color(status: str):
+    return getattr(StatusColors, status.upper()).value