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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
from functools import cmp_to_key
bucket = os.getenv("SNAPSHOTS_BUCKET")
def make_link(f):
f = re.sub(r'\s+', '+', f)
return "https://s3-us.vyos.io/{0}".format(f)
def natural_sort(iterable, reverse=False):
import re
from jinja2.runtime import Undefined
if isinstance(iterable, Undefined) or iterable is None:
return list()
def convert(text):
return int(text) if text.isdigit() else text.lower()
def alphanum_key(key):
return [convert(c) for c in re.split('([0-9]+)', str(key))]
return sorted(iterable, key=alphanum_key, reverse=reverse)
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(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)
snapshots = natural_sort(snapshots, reverse=True)
tmpl = jinja2.Template("""
{% for s in snapshots %}
<h3 id="{{s.name}}"><a href="#{{s.name}}">#</a> {{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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