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get all data from ec2 metadata
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#!/usr/bin/env python | |
import requests | |
import json | |
# Converts AWS EC2 instance metadata to a dictionary | |
def load(): | |
metaurl = 'http://169.254.169.254/latest' | |
# those 3 top subdirectories are not exposed with a final '/' | |
metadict = {'dynamic': {}, 'meta-data': {}, 'user-data': {}} | |
for subsect in metadict.keys(): | |
datacrawl('{0}/{1}/'.format(metaurl, subsect), metadict[subsect]) | |
return metadict | |
def datacrawl(url, d): | |
r = requests.get(url) | |
if r.status_code == 404: | |
return | |
for l in r.text.split('\n'): | |
if not l: # "instance-identity/\n" case | |
continue | |
newurl = '{0}{1}'.format(url, l) | |
# a key is detected with a final '/' | |
if l.endswith('/'): | |
newkey = l.split('/')[-2] | |
d[newkey] = {} | |
datacrawl(newurl, d[newkey]) | |
else: | |
r = requests.get(newurl) | |
if r.status_code != 404: | |
try: | |
d[l] = json.loads(r.text) | |
except ValueError: | |
d[l] = r.text | |
else: | |
d[l] = None | |
if __name__ == '__main__': | |
print(json.dumps(load(), indent=4)) |
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