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FIX: Move downloading of Maxmind databases to after assets:precompile (#28157)

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We have been seeing `ZLib::BufError` when running the `assets:precompile` rake
task.

```
I, [2024-07-30T05:19:58.807019 #1059]  INFO -- : Writing /var/www/discourse/public/assets/scripts/discourse-test-listen-boot-9b14a0fc65c689577e6a428dcfd680205516fe211700a71c7adb5cbcf4df2cc5.js
rake aborted!
Zlib::BufError: buffer error (Zlib::BufError)
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/sprockets-3.7.3/lib/sprockets/cache/file_store.rb💯in `<<'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/sprockets-3.7.3/lib/sprockets/cache/file_store.rb💯in `set'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/sprockets-3.7.3/lib/sprockets/cache.rb:212:in `set'
```

The hypothesis here is that some thread unsafe issue is causing the
problem since we download the Maxmind databases in a thread and run
decompression operations once the gzip file is downloaded.

In the near term, we plan to move downloading of Maxmind databases out
of the Rake task into a scheduled job so this patch should be considered
a temporary solution.

The trade-off here is that build time will slightly increase since we
are not longer downloading Maxmind databases while precompiling assets
at the same time.
This commit is contained in:
Alan Guo Xiang Tan 2024-07-31 08:55:01 +08:00 committed by GitHub
parent cb3943a1f6
commit e9c0a6dffe
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2 changed files with 16 additions and 23 deletions
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7
lib/tasks/assets.rake
View File

@ -325,14 +325,11 @@ task "assets:precompile:theme_transpiler": "environment" do
end end
# Run these tasks **before** Rails' "assets:precompile" task # Run these tasks **before** Rails' "assets:precompile" task
task "assets:precompile": %w[ task "assets:precompile": %w[assets:precompile:before assets:precompile:theme_transpiler]
assets:precompile:before
maxminddb:refresh
assets:precompile:theme_transpiler
]
# Run these tasks **after** Rails' "assets:precompile" task # Run these tasks **after** Rails' "assets:precompile" task
Rake::Task["assets:precompile"].enhance do Rake::Task["assets:precompile"].enhance do
Rake::Task["assets:precompile:compress_js"].invoke Rake::Task["assets:precompile:compress_js"].invoke
Rake::Task["assets:precompile:css"].invoke Rake::Task["assets:precompile:css"].invoke
Rake::Task["maxminddb:refresh"].invoke
end end

6
lib/tasks/maxminddb.rake
View File

@ -64,9 +64,8 @@ task "maxminddb:refresh": "environment" do
puts "Downloading MaxMindDB..." puts "Downloading MaxMindDB..."
maxmind_thread =
Thread.new do
name = "unknown" name = "unknown"
begin begin
GEOLITE_DBS.each do |db| GEOLITE_DBS.each do |db|
name = db name = db
@ -83,6 +82,3 @@ task "maxminddb:refresh": "environment" do
Rails.logger.warn("MaxMindDB (#{name}) could not be downloaded: #{e}") Rails.logger.warn("MaxMindDB (#{name}) could not be downloaded: #{e}")
end end
end end
at_exit { maxmind_thread.join }
end