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#!/usr/bin/env python3
# Requires the following environment variables:
# SNAPSHOTS_BUCKET
# AWS_ACCESS_KEY_ID
# AWS_SECRET_ACCESS_KEY
import os
import re
import json
import boto3
import jinja2
bucket = os.getenv("SNAPSHOTS_BUCKET")
def make_link(s, f):
f = re.sub(r'\s+', '+', f)
return "https://s3.amazonaws.com/{0}/{1}".format(bucket, f)
s3 = boto3.client('s3')
object_listing = s3.list_objects_v2(Bucket=bucket, Prefix='snapshot')
data = object_listing['Contents']
files = []
for f in data:
files.append(f['Key'])
snapshot_names = set(map(lambda s: re.sub(r'snapshot/(.*?)/.*', r'\1', s), files))
snapshots = []
for name in snapshot_names:
snapshot = {}
snapshot['name'] = name
snapshot['files'] = list(filter(lambda s: re.search(name, s), files))
snapshot_files = list(filter(lambda s: re.search(name, s), files))
snapshot_files = list(map(lambda f: {'name': os.path.basename(f).strip(), 'platform': os.path.basename(os.path.dirname(f)), 'link': make_link(name, f)}, snapshot_files))
# S3 listing sometimes returns dir names among file names... filter those out.
snapshot_files = list(filter(lambda f: f['name'] != "", snapshot_files))
snapshot['files'] = snapshot_files
snapshots.append(snapshot)
tmpl = jinja2.Template("""
{% for s in snapshots %}
<h3>{{s.name}}</h3>
<ul>
{% for f in s.files %}
<li><a href="{{f.link}}">{{f.name}} ({{f.platform}})</a></li>
{% endfor %}
</ul>
{% endfor %}
""")
print(tmpl.render(snapshots=snapshots))
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