List all the ec2 instances from all the regions

ec2-instances.py

import json
import os
import sys
import boto3
from queue import Queue
from threading import Thread
from tabulate import tabulate


class Aws:
    def __init__(self, region='us-east-1', aws_profile='default'):
        self.region = region
        self.session = boto3.Session(profile_name=aws_profile)

    def get_regions(self):
        return [region['RegionName'] for region in self.session.client('ec2', region_name='us-east-1').describe_regions()['Regions']]

    def get_ec2_instances(self, region, queue):
        instances = {}
        response = self.session.client('ec2', region_name=region).describe_instances(Filters=[{'Name': 'instance-state-code','Values': ['16',]},])
        if response['Reservations']:
            for reservations in response['Reservations']:
                if reservations['Instances']:
                    for instance in reservations['Instances']:
                        instance_name = ''
                        if 'Tags' in instance:
                            for name in instance['Tags']:
                                if name['Key'] == 'Name':
                                    instance_name = name['Value']
                        instance_ip = ''
                        instance_eip = ''
                        if instance['State']['Name'] == ('running' or 'stopping' or 'shutting-down'):
                            if instance['PrivateIpAddress']:
                                instance_ip = instance['PrivateIpAddress']
                            if instance['PublicIpAddress']:
                                instance_eip = instance['PublicIpAddress']
                        data = {'name': instance_name, 'id': instance['InstanceId'], 'type': instance['InstanceType'],
                                'state': instance['State']['Name'], 'internal_ip': instance_ip,
                                'external_ip': instance_eip}
                        if region in instances:
                            instances[region].append(data)
                        else:
                            instances[region] = [data]
        queue.put(instances)
        queue.task_done()


if __name__ == '__main__':
    try:
        profile = sys.argv[1]
    except IndexError:
        profile = 'default'

    ssh_user = sys.argv[2]
    ssh_key = sys.argv[3]

    aws = Aws('us-east-1', profile)
    regions_list = aws.get_regions()

    q = Queue()
    threads = []

    for r in regions_list:
        t = Thread(target=aws.get_ec2_instances, args=(r, q), daemon=True)
        t.start()
        threads.append(t)

    for t in threads:
        t.join()

    q.join()
    results = {}
    while q.qsize():
        q_item = q.get()
        if q_item:
            results = {**results, **q_item}
    i = 1
    instancess = {}
    instances_ips = ['']
    for k, v in results.items():
        print(f'region {k}')
        instancess[k] = []
        for instance in v:
            print(f"{i}. instance: {instance['id']}, {instance['name']}, {instance['external_ip']}")
            i += 1
            instances_ips.append(instance['external_ip'])
            instancess[k].append([i, instance['id'], instance['name'], instance['external_ip']])
    var = int(input("Connect to instance: "))
    print(f'connecting {var}, ip {instances_ips[var]}')
    os.system(f'ssh {ssh_user}@{instances_ips[var]} -i {ssh_key}')