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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, # You can obtain one at http://mozilla.org/MPL/2.0/.
import io
import mimetypes
import os
import sys
from concurrent import futures
from pprint import pprint
import boto3
import botocore
import requests
from mozbuild.util import memoize
@memoize
def create_aws_session():
"""
This function creates an aws session that is
shared between upload and delete both.
"""
region = "us-west-2"
level = os.environ.get("MOZ_SCM_LEVEL", "1")
bucket = {
"1": "gecko-docs.mozilla.org-l1",
"2": "gecko-docs.mozilla.org-l2",
"3": "gecko-docs.mozilla.org",
}[level]
secrets_url += "project/releng/gecko/build/level-{}/gecko-docs-upload".format(level)
# Get the credentials from the TC secrets service. Note that these
# differ per SCM level
if "TASK_ID" in os.environ:
print("Using AWS credentials from the secrets service")
session = requests.Session()
res = session.get(secrets_url)
res.raise_for_status()
secret = res.json()["secret"]
session = boto3.session.Session(
aws_access_key_id=secret["AWS_ACCESS_KEY_ID"],
aws_secret_access_key=secret["AWS_SECRET_ACCESS_KEY"],
region_name=region,
)
else:
print("Trying to use your AWS credentials..")
session = boto3.session.Session(region_name=region)
s3 = session.client("s3", config=botocore.client.Config(max_pool_connections=20))
return s3, bucket
@memoize
def get_s3_keys(s3, bucket):
kwargs = {"Bucket": bucket}
all_keys = []
while True:
response = s3.list_objects_v2(**kwargs)
for obj in response["Contents"]:
all_keys.append(obj["Key"])
try:
kwargs["ContinuationToken"] = response["NextContinuationToken"]
except KeyError:
break
return all_keys
def s3_set_redirects(redirects):
s3, bucket = create_aws_session()
configuration = {"IndexDocument": {"Suffix": "index.html"}, "RoutingRules": []}
for path, redirect in redirects.items():
rule = {
"Condition": {"KeyPrefixEquals": path},
"Redirect": {"ReplaceKeyPrefixWith": redirect},
}
if os.environ.get("MOZ_SCM_LEVEL") == "3":
rule["Redirect"]["HostName"] = "firefox-source-docs.mozilla.org"
configuration["RoutingRules"].append(rule)
s3.put_bucket_website(
Bucket=bucket,
WebsiteConfiguration=configuration,
)
def s3_delete_missing(files, key_prefix=None):
"""Delete files in the S3 bucket.
Delete files on the S3 bucket that doesn't match the files
given as the param. If the key_prefix is not specified, missing
files that has main/ as a prefix will be removed. Otherwise, it
will remove files with the same prefix as key_prefix.
"""
s3, bucket = create_aws_session()
files_on_server = get_s3_keys(s3, bucket)
if key_prefix:
files_on_server = [
path for path in files_on_server if path.startswith(key_prefix)
]
else:
files_on_server = [
path for path in files_on_server if not path.startswith("main/")
]
files = [key_prefix + "/" + path if key_prefix else path for path, f in files]
files_to_delete = [path for path in files_on_server if path not in files]
query_size = 1000
while files_to_delete:
keys_to_remove = [{"Key": key} for key in files_to_delete[:query_size]]
response = s3.delete_objects(
Bucket=bucket,
Delete={
"Objects": keys_to_remove,
}, # NOQA
)
pprint(response, indent=2)
files_to_delete = files_to_delete[query_size:]
def s3_upload(files, key_prefix=None):
"""Upload files to an S3 bucket.
``files`` is an iterable of ``(path, BaseFile)`` (typically from a
mozpack Finder).
Keys in the bucket correspond to source filenames. If ``key_prefix`` is
defined, key names will be ``<key_prefix>/<path>``.
"""
s3, bucket = create_aws_session()
def upload(f, path, bucket, key, extra_args):
# Need to flush to avoid buffering/interleaving from multiple threads.
sys.stdout.write("uploading %s to %s\n" % (path, key))
sys.stdout.flush()
s3.upload_fileobj(f, bucket, key, ExtraArgs=extra_args)
fs = []
with futures.ThreadPoolExecutor(20) as e:
for path, f in files:
content_type, content_encoding = mimetypes.guess_type(path)
extra_args = {}
if content_type:
if content_type.startswith("text/"):
content_type += '; charset="utf-8"'
extra_args["ContentType"] = content_type
if content_encoding:
extra_args["ContentEncoding"] = content_encoding
if key_prefix:
key = "%s/%s" % (key_prefix, path)
else:
key = path
# The file types returned by mozpack behave like file objects. But
# they don't accept an argument to read(). So we wrap in a BytesIO.
fs.append(
e.submit(upload, io.BytesIO(f.read()), path, bucket, key, extra_args)
)
s3_delete_missing(files, key_prefix)
# Need to do this to catch any exceptions.
for f in fs:
f.result()