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Enhance AWSProvider instance handling with fallback mechanisms for security groups, subnet IDs, and instance types. Implement checks to skip termination of instances already in 'shutting-down' or 'terminated' states, and handle potential termination errors gracefully.

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Timothyxxx
2025-09-18 07:16:10 +00:00
parent 7213eca069
commit 584c7a9875
1 changed files with 45 additions and 6 deletions
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51
desktop_env/providers/aws/provider.py
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@@ -108,13 +108,52 @@ class AWSProvider(Provider):
# Step 1: Retrieve the original instance details # Step 1: Retrieve the original instance details
instance_details = ec2_client.describe_instances(InstanceIds=[path_to_vm]) instance_details = ec2_client.describe_instances(InstanceIds=[path_to_vm])
instance = instance_details['Reservations'][0]['Instances'][0] instance = instance_details['Reservations'][0]['Instances'][0]
security_groups = [sg['GroupId'] for sg in instance['SecurityGroups']] # Resolve security groups with fallbacks
subnet_id = instance['SubnetId'] security_groups = [sg['GroupId'] for sg in instance.get('SecurityGroups', []) if 'GroupId' in sg]
instance_type = instance['InstanceType'] if not security_groups:
env_sg = os.getenv('AWS_SECURITY_GROUP_ID')
if env_sg:
security_groups = [env_sg]
logger.info("SecurityGroups missing on instance; using AWS_SECURITY_GROUP_ID from env")
else:
raise ValueError("No security groups found on instance and AWS_SECURITY_GROUP_ID not set")
# Resolve subnet with fallbacks
subnet_id = instance.get('SubnetId')
if not subnet_id:
nis = instance.get('NetworkInterfaces', []) or []
if nis and isinstance(nis, list):
for ni in nis:
if isinstance(ni, dict) and ni.get('SubnetId'):
subnet_id = ni.get('SubnetId')
break
if not subnet_id:
env_subnet = os.getenv('AWS_SUBNET_ID')
if env_subnet:
subnet_id = env_subnet
logger.info("SubnetId missing on instance; using AWS_SUBNET_ID from env")
else:
raise ValueError("SubnetId not available on instance, NetworkInterfaces, or environment")
# Resolve instance type with fallbacks
instance_type = instance.get('InstanceType') or os.getenv('AWS_INSTANCE_TYPE') or 't3.large'
if instance.get('InstanceType') is None:
logger.info(f"InstanceType missing on instance; using '{instance_type}' from env/default")
# Step 2: Terminate the old instance # Step 2: Terminate the old instance (skip if already terminated/shutting-down)
ec2_client.terminate_instances(InstanceIds=[path_to_vm]) state = (instance.get('State') or {}).get('Name')
logger.info(f"Old instance {path_to_vm} has been terminated.") if state in ['shutting-down', 'terminated']:
logger.info(f"Old instance {path_to_vm} is already in state '{state}', skipping termination.")
else:
try:
ec2_client.terminate_instances(InstanceIds=[path_to_vm])
logger.info(f"Old instance {path_to_vm} has been terminated.")
except ClientError as e:
error_code = getattr(getattr(e, 'response', {}), 'get', lambda *_: None)('Error', {}).get('Code') if hasattr(e, 'response') else None
if error_code in ['InvalidInstanceID.NotFound', 'IncorrectInstanceState']:
logger.info(f"Ignore termination error for {path_to_vm}: {error_code}")
else:
raise
# Step 3: Launch a new instance from the snapshot(AMI) with performance optimization # Step 3: Launch a new instance from the snapshot(AMI) with performance optimization
logger.info(f"Launching a new instance from AMI {snapshot_name}...") logger.info(f"Launching a new instance from AMI {snapshot_name}...")