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upload: Avoid fetching bucket objects repeatedly.

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This takes of advantage of saving the bucket object on the
UploadBackend class to deduplicate a bunch of redundant code getting
buckets.
This commit is contained in:
Tim Abbott
2020-06-18 16:09:20 -07:00
committed by Tim Abbott
parent 2ef791fc21
commit 5962d1ea14
2 changed files with 29 additions and 46 deletions
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72
zerver/lib/upload.py
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@@ -281,14 +281,12 @@ def get_bucket(session: Session, bucket_name: str) -> ServiceResource:
return bucket
def upload_image_to_s3(
bucket_name: str,
# See https://github.com/python/typeshed/issues/2706
bucket: ServiceResource,
file_name: str,
content_type: Optional[str],
user_profile: UserProfile,
contents: bytes) -> None:
session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
bucket = get_bucket(session, bucket_name)
key = bucket.Object(file_name)
metadata = {
"user_profile_id": str(user_profile.id),
@@ -361,8 +359,9 @@ class S3UploadBackend(ZulipUploadBackend):
self.avatar_bucket.meta.client.meta.endpoint_url).netloc
self.avatar_bucket_url = f"https://{self.avatar_bucket.name}.{network_location}"
def delete_file_from_s3(self, path_id: str, bucket_name: str) -> bool:
bucket = get_bucket(self.session, bucket_name)
self.uploads_bucket = get_bucket(self.session, settings.S3_AUTH_UPLOADS_BUCKET)
def delete_file_from_s3(self, path_id: str, bucket: ServiceResource) -> bool:
key = bucket.Object(path_id)
try:
@@ -377,7 +376,6 @@ class S3UploadBackend(ZulipUploadBackend):
def upload_message_file(self, uploaded_file_name: str, uploaded_file_size: int,
content_type: Optional[str], file_data: bytes,
user_profile: UserProfile, target_realm: Optional[Realm]=None) -> str:
bucket_name = settings.S3_AUTH_UPLOADS_BUCKET
if target_realm is None:
target_realm = user_profile.realm
s3_file_name = "/".join([
@@ -388,7 +386,7 @@ class S3UploadBackend(ZulipUploadBackend):
url = f"/user_uploads/{s3_file_name}"
upload_image_to_s3(
bucket_name,
self.uploads_bucket,
s3_file_name,
content_type,
user_profile,
@@ -399,14 +397,12 @@ class S3UploadBackend(ZulipUploadBackend):
return url
def delete_message_image(self, path_id: str) -> bool:
return self.delete_file_from_s3(path_id, settings.S3_AUTH_UPLOADS_BUCKET)
return self.delete_file_from_s3(path_id, self.uploads_bucket)
def write_avatar_images(self, s3_file_name: str, target_user_profile: UserProfile,
image_data: bytes, content_type: Optional[str]) -> None:
bucket_name = settings.S3_AVATAR_BUCKET
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + ".original",
content_type,
target_user_profile,
@@ -416,7 +412,7 @@ class S3UploadBackend(ZulipUploadBackend):
# custom 500px wide version
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + "-medium.png",
"image/png",
target_user_profile,
@@ -425,7 +421,7 @@ class S3UploadBackend(ZulipUploadBackend):
resized_data = resize_avatar(image_data)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name,
'image/png',
target_user_profile,
@@ -448,18 +444,15 @@ class S3UploadBackend(ZulipUploadBackend):
def delete_avatar_image(self, user: UserProfile) -> None:
path_id = user_avatar_path(user)
bucket_name = settings.S3_AVATAR_BUCKET
self.delete_file_from_s3(path_id + ".original", bucket_name)
self.delete_file_from_s3(path_id + "-medium.png", bucket_name)
self.delete_file_from_s3(path_id, bucket_name)
self.delete_file_from_s3(path_id + ".original", self.avatar_bucket)
self.delete_file_from_s3(path_id + "-medium.png", self.avatar_bucket)
self.delete_file_from_s3(path_id, self.avatar_bucket)
def get_avatar_key(self, file_name: str) -> ServiceResource:
# See https://github.com/python/typeshed/issues/2706
# for why this return type is a `ServiceResource`.
bucket = get_bucket(self.session, settings.S3_AVATAR_BUCKET)
key = bucket.Object(file_name)
key = self.avatar_bucket.Object(file_name)
return key
def copy_avatar(self, source_profile: UserProfile, target_profile: UserProfile) -> None:
@@ -486,12 +479,11 @@ class S3UploadBackend(ZulipUploadBackend):
def upload_realm_icon_image(self, icon_file: File, user_profile: UserProfile) -> None:
content_type = guess_type(icon_file.name)[0]
bucket_name = settings.S3_AVATAR_BUCKET
s3_file_name = os.path.join(self.realm_avatar_and_logo_path(user_profile.realm), 'icon')
image_data = icon_file.read()
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + ".original",
content_type,
user_profile,
@@ -500,7 +492,7 @@ class S3UploadBackend(ZulipUploadBackend):
resized_data = resize_avatar(image_data)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + ".png",
'image/png',
user_profile,
@@ -516,7 +508,6 @@ class S3UploadBackend(ZulipUploadBackend):
def upload_realm_logo_image(self, logo_file: File, user_profile: UserProfile,
night: bool) -> None:
content_type = guess_type(logo_file.name)[0]
bucket_name = settings.S3_AVATAR_BUCKET
if night:
basename = 'night_logo'
else:
@@ -525,7 +516,7 @@ class S3UploadBackend(ZulipUploadBackend):
image_data = logo_file.read()
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + ".original",
content_type,
user_profile,
@@ -534,7 +525,7 @@ class S3UploadBackend(ZulipUploadBackend):
resized_data = resize_logo(image_data)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + ".png",
'image/png',
user_profile,
@@ -555,14 +546,12 @@ class S3UploadBackend(ZulipUploadBackend):
file_path = user_avatar_path(user_profile)
s3_file_name = file_path
bucket_name = settings.S3_AVATAR_BUCKET
bucket = get_bucket(self.session, bucket_name)
key = bucket.Object(file_path + ".original")
key = self.avatar_bucket.Object(file_path + ".original")
image_data = key.get()['Body'].read()
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name + "-medium.png",
"image/png",
user_profile,
@@ -575,14 +564,12 @@ class S3UploadBackend(ZulipUploadBackend):
# Also TODO: Migrate to user_avatar_path(user_profile) + ".png".
s3_file_name = file_path
bucket_name = settings.S3_AVATAR_BUCKET
bucket = get_bucket(self.session, bucket_name)
key = bucket.Object(file_path + ".original")
key = self.avatar_bucket.Object(file_path + ".original")
image_data = key.get()['Body'].read()
resized_avatar = resize_avatar(image_data)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
s3_file_name,
"image/png",
user_profile,
@@ -592,7 +579,6 @@ class S3UploadBackend(ZulipUploadBackend):
def upload_emoji_image(self, emoji_file: File, emoji_file_name: str,
user_profile: UserProfile) -> None:
content_type = guess_type(emoji_file.name)[0]
bucket_name = settings.S3_AVATAR_BUCKET
emoji_path = RealmEmoji.PATH_ID_TEMPLATE.format(
realm_id=user_profile.realm_id,
emoji_file_name=emoji_file_name,
@@ -601,14 +587,14 @@ class S3UploadBackend(ZulipUploadBackend):
image_data = emoji_file.read()
resized_image_data = resize_emoji(image_data)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
".".join((emoji_path, "original")),
content_type,
user_profile,
image_data,
)
upload_image_to_s3(
bucket_name,
self.avatar_bucket,
emoji_path,
content_type,
user_profile,
@@ -625,11 +611,9 @@ class S3UploadBackend(ZulipUploadBackend):
sys.stdout.write('.')
sys.stdout.flush()
session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
# We use the avatar bucket, because it's world-readable.
bucket = get_bucket(session, settings.S3_AVATAR_BUCKET)
key = bucket.Object(os.path.join("exports", generate_random_token(32),
os.path.basename(tarball_path)))
key = self.avatar_bucket.Object(os.path.join("exports", generate_random_token(32),
os.path.basename(tarball_path)))
key.upload_file(tarball_path, Callback=percent_callback)
@@ -639,7 +623,7 @@ class S3UploadBackend(ZulipUploadBackend):
public_url = session.create_client('s3', config=config).generate_presigned_url(
'get_object',
Params={
'Bucket': bucket.name,
'Bucket': self.avatar_bucket.name,
'Key': key.key,
},
ExpiresIn=0,
@@ -647,7 +631,7 @@ class S3UploadBackend(ZulipUploadBackend):
return public_url
def delete_export_tarball(self, path_id: str) -> Optional[str]:
if self.delete_file_from_s3(path_id, settings.S3_AVATAR_BUCKET):
if self.delete_file_from_s3(path_id, self.avatar_bucket):
return path_id
return None