md5_check.py

md5_check.py

import os
import hashlib


class FilterModule(object):

    def filters(self):
        return {
            'md5_check': self.md5_check,
        }

    def md5_check(self, path):
        md5_path = '/tmp/ansible_md5_check_%s.md5' % os.path.basename(path)
        with open(path) as data:
            new_md5 = hashlib.md5(data.read()).hexdigest()
        if os.path.exists(md5_path):
            with open(md5_path) as md5_file:
                old_md5 = md5_file.read()
            changed = new_md5 != old_md5
        else:
            changed = True
        with open(md5_path, 'w') as f:
            f.write(new_md5)
        return changed