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replacements: don't delete replaced files.

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Don't delete replaced files after 30 days. There are only about 30k
replacements in total, so the cost of keeping replaced files is
negligible. It was also wrong because the media asset wasn't destroyed
too, so there were active media assets with missing files.
This commit is contained in:
evazion
2021-10-24 04:19:25 -05:00
parent d258790199
commit 8d5e0a5b58
6 changed files with 0 additions and 106 deletions
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10
app/jobs/delete_post_files_job.rb
View File

@@ -1,10 +0,0 @@
# A job that deletes a post's files after it's replaced, or a preprocessed
# upload is never completed.
class DeletePostFilesJob < ApplicationJob
queue_as :default
queue_with_priority 20
def perform(id, md5, file_ext)
Post.delete_files(id, md5, file_ext)
end
end

1
app/logical/upload_service/replacer.rb
View File

@@ -79,7 +79,6 @@ class UploadService
end
media_asset = MediaAsset.upload!(media_file)
post.queue_delete_files(PostReplacement::DELETION_GRACE_PERIOD)
replacement.replacement_url = replacement_url
replacement.file_ext = media_asset.file_ext

4
app/models/post.rb
View File

@@ -91,10 +91,6 @@ class Post < ApplicationRecord
end
end
def queue_delete_files(grace_period)
DeletePostFilesJob.set(wait: grace_period).perform_later(id, md5, file_ext)
end
def delete_files
Post.delete_files(id, md5, file_ext, force: true)
end

2
app/models/post_replacement.rb
View File

@@ -1,6 +1,4 @@
class PostReplacement < ApplicationRecord
DELETION_GRACE_PERIOD = 30.days
belongs_to :post
belongs_to :creator, class_name: "User"
before_validation :initialize_fields, on: :create

3
test/functional/post_replacements_controller_test.rb
View File

@@ -25,9 +25,6 @@ class PostReplacementsControllerTest < ActionDispatch::IntegrationTest
assert_response :success
end
travel(PostReplacement::DELETION_GRACE_PERIOD + 1.day)
perform_enqueued_jobs
assert_equal("https://cdn.donmai.us/original/d3/4e/d34e4cf0a437a5d65f8e82b7bcd02606.jpg", @post.reload.source)
assert_equal("d34e4cf0a437a5d65f8e82b7bcd02606", @post.md5)
assert_equal("d34e4cf0a437a5d65f8e82b7bcd02606", Digest::MD5.file(@post.file(:original)).hexdigest)

86
test/unit/upload_service_test.rb
View File

@@ -219,7 +219,6 @@ class UploadServiceTest < ActiveSupport::TestCase
as(@user) do
@post = FactoryBot.create(:post, md5: Digest::MD5.hexdigest(@old_file.read))
@old_md5 = @post.md5
@post.stubs(:queue_delete_files)
@replacement = FactoryBot.create(:post_replacement, post: @post, replacement_url: "", replacement_file: @new_file)
end
end
@@ -301,7 +300,6 @@ class UploadServiceTest < ActiveSupport::TestCase
as(@user) do
@post = FactoryBot.create(:post, source: "http://blah", file_ext: "jpg", md5: "something", uploader_ip_addr: "127.0.0.2")
@post.stubs(:queue_delete_files)
@replacement = FactoryBot.create(:post_replacement, post: @post, replacement_url: @new_url)
end
end
@@ -323,7 +321,6 @@ class UploadServiceTest < ActiveSupport::TestCase
as(@user) do
@post_md5 = "710fd9cba4ef37260f9152ffa9d154d8"
@post = FactoryBot.create(:post, source: "https://cdn.donmai.us/original/71/0f/#{@post_md5}.png", file_ext: "png", md5: @post_md5, uploader_ip_addr: "127.0.0.2")
@post.stubs(:queue_delete_files)
@replacement = FactoryBot.create(:post_replacement, post: @post, replacement_url: @new_url)
end
end
@@ -341,7 +338,6 @@ class UploadServiceTest < ActiveSupport::TestCase
@post.update(md5: @new_md5)
as(@user) do
@post2 = FactoryBot.create(:post)
@post2.stubs(:queue_delete_files)
end
end
@@ -379,7 +375,6 @@ class UploadServiceTest < ActiveSupport::TestCase
@user = travel_to(1.month.ago) { FactoryBot.create(:user) }
as(@user) do
@post = FactoryBot.create(:post, source: "https://cdn.donmai.us/original/d3/4e/d34e4cf0a437a5d65f8e82b7bcd02606.jpg")
@post.stubs(:queue_delete_files)
@new_url = "https://cdn.donmai.us/original/fd/b4/fdb47f79fb8da82e66eeb1d84a1cae8d.jpg"
@post.reload.replace!(replacement_url: @new_url, tags: "-tag1 tag2")
end
@@ -465,17 +460,6 @@ class UploadServiceTest < ActiveSupport::TestCase
assert_equal("https://i.pximg.net/img-original/img/2017/04/04/08/54/15/62247350_p0.png", @post.replacements.last.replacement_url)
assert_equal("https://i.pximg.net/img-original/img/2017/04/04/08/54/15/62247350_p0.png", @post.source)
end
should "delete the old files after thirty days" do
@post.unstub(:queue_delete_files)
FileUtils.expects(:rm_f).times(3)
as(@user) { @post.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247350") }
travel_to((PostReplacement::DELETION_GRACE_PERIOD + 1).days.from_now) do
perform_enqueued_jobs
end
end
end
context "a post that is replaced by a ugoira" do
@@ -500,76 +484,6 @@ class UploadServiceTest < ActiveSupport::TestCase
end
end
context "a post that is replaced to another file then replaced back to the original file" do
should "not delete the original files" do
skip unless MediaFile::Ugoira.videos_enabled?
skip "Pixiv credentials not configured" unless Sources::Strategies::Pixiv.enabled?
@post.unstub(:queue_delete_files)
# this is called thrice to delete the file for 62247364
#FileUtils.expects(:rm_f).times(3)
as(@user) do
@post.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247350")
@post.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247364")
Upload.destroy_all
@post.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247350")
end
assert_nothing_raised { @post.file(:original) }
assert_nothing_raised { @post.file(:preview) }
assert_enqueued_jobs 3, only: DeletePostFilesJob
travel PostReplacement::DELETION_GRACE_PERIOD + 1.day
assert_raise(Post::DeletionError) { perform_enqueued_jobs }
assert_nothing_raised { @post.file(:original) }
assert_nothing_raised { @post.file(:preview) }
end
end
context "two posts that have had their files swapped" do
setup do
skip "Pixiv credentials not configured" unless Sources::Strategies::Pixiv.enabled?
as(@user) do
@post1 = FactoryBot.create(:post)
@post2 = FactoryBot.create(:post)
end
end
should "not delete the still active files" do
# swap the images between @post1 and @post2.
as(@user) do
skip unless MediaFile::Ugoira.videos_enabled?
@post1.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247350")
@post2.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247364")
assert_equal("4ceadc314938bc27f3574053a3e1459a", @post1.md5)
assert_equal("cad1da177ef309bf40a117c17b8eecf5", @post2.md5)
@post2.reload.replace!(replacement_url: "https://cdn.donmai.us/original/d3/4e/d34e4cf0a437a5d65f8e82b7bcd02606.jpg")
assert_equal("d34e4cf0a437a5d65f8e82b7bcd02606", @post2.md5)
Upload.destroy_all
@post1.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247364")
@post2.reload.replace!(replacement_url: "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=62247350")
assert_equal("cad1da177ef309bf40a117c17b8eecf5", @post1.md5)
assert_equal("4ceadc314938bc27f3574053a3e1459a", @post2.md5)
end
travel_to (PostReplacement::DELETION_GRACE_PERIOD + 1).days.from_now do
assert_raise(Post::DeletionError) do
perform_enqueued_jobs
end
end
assert_nothing_raised { @post1.file(:original) }
assert_nothing_raised { @post2.file(:original) }
end
end
context "a post with notes" do
setup do
skip "Pixiv credentials not configured" unless Sources::Strategies::Pixiv.enabled?