discourse/lib/tasks/s3.rake
Sam ac01885b60 FEATURE: rake tasks for uploading assets to S3
This opens the door to serving application.js and so on from s3.

Also updates s3 gem for some tagging support
2017-10-03 18:00:53 +11:00

134 lines
3.2 KiB
Ruby

require_dependency "s3_helper"
def brotli_s3_path(path)
ext = File.extname(path)
"#{path[0..-ext.length]}br#{ext}"
end
def gzip_s3_path(path)
ext = File.extname(path)
"#{path[0..-ext.length]}gz#{ext}"
end
def should_skip?(path)
return true if ENV['FORCE_S3_UPLOADS']
@existing_assets ||= Set.new(helper.list.map(&:key))
@existing_assets.include?('assets/' + path)
end
def upload_asset(helper, path, recurse: true, content_type: nil, fullpath: nil, content_encoding: nil)
fullpath ||= (Rails.root + "public/assets/#{path}").to_s
content_type ||= MiniMime.lookup_by_filename(path).content_type
options = {
cache_control: 'max-age=31556952, public, immutable',
content_type: content_type,
acl: 'public-read',
tagging: ''
}
if content_encoding
options[:content_encoding] = content_encoding
end
if should_skip?(path)
puts "Skipping: #{path}"
else
puts "Uploading: #{path}"
helper.upload(fullpath, path, options)
end
if recurse
if File.exist?(fullpath + ".br")
brotli_path = brotli_s3_path(path)
upload_asset(helper, brotli_path,
fullpath: fullpath + ".br",
recurse: false,
content_type: content_type,
content_encoding: 'br'
)
end
if File.exist?(fullpath + ".gz")
gzip_path = gzip_s3_path(path)
upload_asset(helper, gzip_path,
fullpath: fullpath + ".gz",
recurse: false,
content_type: content_type,
content_encoding: 'gzip'
)
end
if File.exist?(fullpath + ".map")
upload_asset(helper, path + ".map", recurse: false, content_type: 'application/json')
end
end
end
def assets
cached = Rails.application.assets.cached
manifest = Sprockets::Manifest.new(cached, Rails.root + 'public/assets', Rails.application.config.assets.manifest)
raise Discourse::SiteSettingMissing.new("s3_upload_bucket") if SiteSetting.s3_upload_bucket.blank?
manifest.assets
end
def helper
@helper ||= S3Helper.new(SiteSetting.s3_upload_bucket.downcase + '/assets')
end
def in_manifest
found = []
assets.each do |_, path|
fullpath = (Rails.root + "public/assets/#{path}").to_s
asset_path = "assets/#{path}"
found << asset_path
if File.exist?(fullpath + '.br')
found << brotli_s3_path(asset_path)
end
if File.exist?(fullpath + '.gz')
found << gzip_s3_path(asset_path)
end
if File.exist?(fullpath + '.map')
found << asset_path + '.map'
end
end
Set.new(found)
end
task 's3:upload_assets' => :environment do
assets.each do |name, fingerprint|
upload_asset(helper, fingerprint)
end
end
task 's3:expire_missing_assets' => :environment do
keep = in_manifest
count = 0
puts "Ensuring AWS assets are tagged correctly for removal"
helper.list.each do |f|
if keep.include?(f.key)
helper.tag_file(f.key, old: true)
count += 1
else
# ensure we do not delete this by mistake
helper.tag_file(f.key, {})
end
end
puts "#{count} assets were flagged for removal in 10 days"
puts "Ensuring AWS rule exists for purging old assets"
#helper.update_lifecycle("delete_old_assets", 10, prefix: 'old=true')
puts "Waiting on https://github.com/aws/aws-sdk-ruby/issues/1623"
end