This is a quick script for scraping over a terraform directory and extracting the resources used

terraform_resource_scraper.py

import yaml
import os

yaml_files = []

rootDir = '.'
for dirName, subdirList, fileList in os.walk(rootDir):
  for fname in fileList:
    if fname[-4:] == 'yaml':
     yaml_files.append( dirName + "/" + fname)

def find(d, tag):
    if tag in d:
        yield d[tag]
    for k, v in d.items():
        if isinstance(v, dict):
            for i in find(v, tag):
                yield i

resources = []

for file in yaml_files:
  with open(file) as f:
    data = yaml.load(f)
    for val in find(data, "resource_type"):
      resources.append(val)
      
distinct_resources = set(resources)

with open("resources.txt", '+w') as outfile:
  outfile.writelines('\n'.join(distinct_resources))