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How to Get all All AWS Ec2 snapshot reports with python and boto3?

Use this python script to get all EC2 snapshot report in your AWS account.


import boto3
def lambda_handler(event, context):
session = boto3.Session(profile_name='saml')
ec2client = session.client('ec2')
instances_with_volumes = get_instance_ids(ec2client, "tc:OpsAutomatorTaskList")

for instance_id, volume_ids in instances_with_volumes.items():
response = ec2client.describe_snapshots(
Filters = [
{'Name':'volume-id', 'Values': volume_ids}
#{'Name':'start-time', 'Values': ['2019-01-01']}
]
#MaxResults = 10
)
#print(response['ResponseMetadata'])
#print("instance_id:%s, number_of_snapshots:%s" % (instance_id, len(response['Snapshots'])))
if len(response['Snapshots']) > 0:
#print(response['Tags'])
#Print Header
print('InstanceId' + ' , ' + 'Description' + ' , ' + 'Encrypted' + ' , ' + 'OwnerId' + ' , ' + 'Progress' + ' , ' + 'SnapshotId' + ' , ' + 'StartTime' + ' , ' + 'State' + ' , ' + 'VolumeId' + ' , ' + 'VolumeSize')
for snapshot in response['Snapshots']:
print(instance_id + ' , ' + snapshot['Description'] + ' , ' + str(snapshot['Encrypted']) + ' , ' + str(snapshot['OwnerId']) + ' , ' + snapshot['Progress'] + ' , ' + snapshot['SnapshotId'] + ' , ' + str(snapshot['StartTime']) + ' , ' + snapshot['State'] + ' , ' + snapshot['VolumeId'] + ' , ' + str(snapshot['VolumeSize']) )

def get_instance_ids(ec2client, tag_name):
# When passed a tag key, tag value this will return a list of InstanceIds that were found.

response = ec2client.describe_instances(
Filters=[
{
‘Name’: ‘tag-key’,
‘Values’: [tag_name]
}
]
)
instancelist = {}
for reservation in (response[“Reservations”]):
for instance in reservation[“Instances”]:

ebs_volume_ids = []
for ebs in instance[‘BlockDeviceMappings’]:
ebs_volume_ids.append(ebs[‘Ebs’][‘VolumeId’])

instancelist[instance[“InstanceId”]] = ebs_volume_ids

return instancelist

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