def get_ami_name()

in eksupdate/src/eks_get_image_type.py [0:0]

• 33 lines of code
• 10 McCabe index (conditional complexity)

def get_ami_name(cluster_name,asg_name,PresentVersion,regionName):
    asg_client = boto3.client('autoscaling',region_name=regionName)
    ec2_client = boto3.client('ec2',region_name=regionName)
    response=asg_client.describe_auto_scaling_groups(
        AutoScalingGroupNames=[
            asg_name
        ]

    )
    instance_ids = [instance["InstanceId"]
                    for instance in response["AutoScalingGroups"][0]["Instances"]]
    if len(instance_ids)==0:
        raise Exception("No Instances")

    response = ec2_client.describe_instances(InstanceIds=instance_ids)
    ans=[]
    for reservation in response["Reservations"]:
        for instance in reservation["Instances"]:
            instance_id=instance['ImageId']
            ''' getting the instance type as amz2 or windows or ubuntu '''
            node_type=find_node(cluster_name,instance['InstanceId'],"os_type",regionName)
            ans.append([node_type,image_type(node_type=node_type,Presentversion=PresentVersion,inst=instance_id,regionName=regionName)])
    ''' custom logic to check wether the os_type is same if same returning and if not returing the least repeated  name'''
    result=False
    if len(ans) > 0 :
            result = all(elem[0] == ans[0][0]  for i,elem in enumerate(ans))  
            if result:
                return ans[0]
            else:
                dd = {}
                ac = {}
                for (d,ak) in ans:
                    dd[d] = dd.get(d, 0) + 1
                    ac[d] = ac.get(d, ak)
                return min((ac.get(d,""), d) for d in dd)