client 생성

In [66]:

    

import boto3


    

In [67]:

    

ec2 = boto3.resource('ec2') #high level client


    

In [68]:

    

instances = ec2.instances.all()


    

In [69]:

    

for i in instances:
    print(i)


    

    




ec2.Instance(id='i-0cda56764352ef50e')
ec2.Instance(id='i-0e0c4fa77f5a678b2')
ec2.Instance(id='i-07e52d2fbc2ebd266')
ec2.Instance(id='i-0d022de22510a69b7')
ec2.Instance(id='i-0e701a6507dbae898')

In [70]:

    

i1 = ec2.Instance(id='i-0cda56764352ef50e')


    

In [72]:

    

tag = i1.tags
print(tag)


    

    




[{'Key': 'Environment', 'Value': 'production'}, {'Key': 'Name', 'Value': 'june-prod-NAT'}]

In [73]:

    

next((t['Value'] for t in i1.tags if t['Key'] == 'Name'), None)


    

    
Out[73]:





'june-prod-NAT'

In [74]:

    

b = next((t['Value'] for t in i1.tags if t['Key'] == 'dd'), None)
print(b)


    

    




None

In [75]:

    

def findTag(instance, key, value):
    tags = instance.tags
    if tags is None:
        return False        
    tag_value = next((t['Value'] for t in tags if t['Key'] == key), None)
    return tag_value == value


    

In [76]:

    

findTag(i1,'Name', value='tt')


    

    
Out[76]:





False

In [77]:

    

findTag(i1,'Name', value='june-prod-NAT')


    

    
Out[77]:





True

In [78]:

    

findTag(i1,'d', value='june-prod-NAT')


    

    
Out[78]:





False

In [84]:

    

for i in instances:
    print(i.instance_id, findTag(i, 'Stop', 'auto'))


    

    




i-0cda56764352ef50e False
i-0e0c4fa77f5a678b2 True
i-07e52d2fbc2ebd266 False
i-0d022de22510a69b7 False
i-0e701a6507dbae898 False