Created
November 7, 2018 14:46
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import json, uuid, time | |
import boto3 | |
zone = 'XXXXXXXXXXXXX' | |
def lambda_handler(event, context): | |
dynamodb = boto3.client('dynamodb') | |
if ((event['name'] == "api") or (event['name'] == "*") or (event['name'] == "www") or (event['name'] == "")): | |
return { | |
"statusCode": 403, | |
"response": "Forbidden" | |
} | |
getrequest = dynamodb.get_item(TableName='mytable', Key={'name':{'S':event['name']}}) | |
if 'Item' in getrequest.keys(): | |
message = "Already Taken" | |
statusCode = 200 | |
else: | |
guid = str(uuid.uuid4()) | |
putrequest = dynamodb.put_item(TableName='mytable', Item= {'name': {'S': event['name']},'ip': {'S':event['sourceIP']},'timetolive':{'N':str(time.time())},'key':{'S':guid}}) | |
statusCode = 201 | |
message = guid | |
route53 = boto3.client('route53') | |
dnsrequest = route53.change_resource_record_sets( | |
HostedZoneId=zone, | |
ChangeBatch={ | |
'Comment': 'updated by api', | |
'Changes': [ | |
{ | |
'Action': 'UPSERT', | |
'ResourceRecordSet': { | |
'Name': event['name']+".pi-dns.me.", | |
'Type': 'A', | |
'TTL': 60, | |
'ResourceRecords': [ | |
{ | |
'Value': event['sourceIP'] | |
}, | |
] | |
} | |
}, | |
] | |
} | |
) | |
return { | |
"statusCode": statusCode, | |
"response": message | |
} |
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