add error handling, stderr output

sky/adaptors/azure.py

@@ -22,10 +22,24 @@
 
 
 def _get_account():
- return json.loads(
- run('az account show -o json',
- stdout=subprocess.PIPE,
- stderr=subprocess.DEVNULL).stdout.decode())
+ result = run('az account show -o json',
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+
+ if result.returncode != 0:
+ error_message = result.stderr.decode()
+ print(f"Error executing command: {error_message}")
+ raise RuntimeError(
+ "Failed to execute 'az account show -o json' command.")
+
+ try:
+ return json.loads(result.stdout.decode())
+ except json.JSONDecodeError as e:
+ error_message = result.stderr.decode()
+ print(f"JSON parsing error: {e.msg}")
+ raise RuntimeError(
+ f"Failed to parse JSON output. Error: {e.msg}\nCommand Error: {error_message}"
+ )
 
 
 def get_subscription_id() -> str: