DGNum/demarches-normaliennes
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fix(export): when it takes more than 3 hours, exports are purge before being generated. make it possible to have an export that takes more than 3 hours and share this behaviour with kind of same class archive

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This commit is contained in:
Martin 2022-07-07 18:15:48 +02:00
parent 051e912a91
commit 3e56fdd1d7
19 changed files with 106 additions and 70 deletions
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2
app/components/dossiers/export_component/export_component.html.haml
View file

@ -11,7 +11,7 @@
%li
- if export.nil?
= link_to t(".everything_#{item[:format]}_html"), download_export_path(export_format: item[:format]), data: { turbo_method: :post }
- elsif export.ready?
- elsif export.available?
= link_to ready_link_label(export), export.file.service_url, target: "_blank", rel: "noopener"
- if export.old?
= button_to download_export_path(export_format: export.format, force_export: true), **refresh_button_options(export) do

4
app/controllers/administrateurs/exports_controller.rb
View file

@ -5,12 +5,12 @@ module Administrateurs
def download
export = Export.find_or_create_export(export_format, all_groupe_instructeurs, **export_options)
if export.ready? && export.old? && force_export?
if export.available? && export.old? && force_export?
export.destroy
export = Export.find_or_create_export(export_format, all_groupe_instructeurs, **export_options)
end
if export.ready?
if export.available?
respond_to do |format|
format.turbo_stream do
@dossiers_count = export.count

4
app/controllers/instructeurs/procedures_controller.rb
View file

@ -149,12 +149,12 @@ module Instructeurs
export = Export.find_or_create_export(export_format, groupe_instructeurs, **export_options)
if export.ready? && export.old? && force_export?
if export.available? && export.old? && force_export?
export.destroy
export = Export.find_or_create_export(export_format, groupe_instructeurs, **export_options)
end
if export.ready?
if export.available?
respond_to do |format|
format.turbo_stream do
@procedure = procedure

15
app/jobs/archive_creation_job.rb
View file

@ -2,14 +2,11 @@ class ArchiveCreationJob < ApplicationJob
queue_as :archives
def perform(procedure, archive, administrateur_or_instructeur)
archive.restart! if archive.failed? # restart for AASM
ProcedureArchiveService
.new(procedure)
.make_and_upload_archive(archive)
archive.make_available!
UserMailer.send_archive(administrateur_or_instructeur, procedure, archive).deliver_later
rescue => e
archive.fail! # fail for observability
raise e # re-raise for retryable behaviour
archive.compute_with_safe_stale_for_purge do
ProcedureArchiveService
.new(procedure)
.make_and_upload_archive(archive)
UserMailer.send_archive(administrateur_or_instructeur, procedure, archive).deliver_later
end
end
end

2
app/jobs/cron/purge_stale_archives_job.rb
View file

@ -2,6 +2,6 @@ class Cron::PurgeStaleArchivesJob < Cron::CronJob
self.schedule_expression = "every 5 minutes"
def perform
Archive.stale.destroy_all
Archive.stale(Archive::RETENTION_DURATION).destroy_all
end
end

2
app/jobs/cron/purge_stale_exports_job.rb
View file

@ -2,6 +2,6 @@ class Cron::PurgeStaleExportsJob < Cron::CronJob
self.schedule_expression = "every 5 minutes"
def perform
Export.stale.destroy_all
Export.stale(Export::MAX_DUREE_CONSERVATION_EXPORT).destroy_all
end
end

4
app/jobs/export_job.rb
View file

@ -4,6 +4,8 @@ class ExportJob < ApplicationJob
discard_on ActiveRecord::RecordNotFound
def perform(export)
export.compute
export.compute_with_safe_stale_for_purge do
export.compute
end
end
end

31
app/models/archive.rb
View file

@ -3,15 +3,15 @@
# Table name: archives
#
# id :bigint not null, primary key
# job_status :string not null
# key :text not null
# month :date
# status :string not null
# time_span_type :string not null
# created_at :datetime not null
# updated_at :datetime not null
#
class Archive < ApplicationRecord
include AASM
include TransientModelsWithPurgeableJobConcern
RETENTION_DURATION = 4.days
MAX_SIZE = 100.gigabytes
@ -20,7 +20,6 @@ class Archive < ApplicationRecord
has_one_attached :file
scope :stale, -> { where('updated_at < ?', (Time.zone.now - RETENTION_DURATION)) }
scope :for_groupe_instructeur, -> (groupe_instructeur) {
joins(:archives_groupe_instructeurs)
.where(
@ -33,32 +32,6 @@ class Archive < ApplicationRecord
monthly: 'monthly'
}
enum status: {
pending: 'pending',
generated: 'generated',
failed: 'failed'
}
aasm whiny_persistence: true, column: :status, enum: true do
state :pending, initial: true
state :generated
state :failed
event :make_available do
transitions from: :pending, to: :generated
end
event :restart do
transitions from: :failed, to: :pending
end
event :fail do
transitions from: :pending, to: :failed
end
end
def available?
status == 'generated' && file.attached?
end
def filename(procedure)
if time_span_type == 'everything'
"procedure-#{procedure.id}.zip"

51
app/models/concerns/transient_models_with_purgeable_job_concern.rb Normal file
View file

@ -0,0 +1,51 @@
# Archive and Export models are generated in background
# those models being are destroy after an expiration period
# but, it might take more time to process than the expiration period
# this module expose the shared behaviour to compute a job and purge instances
# based on a state machine
module TransientModelsWithPurgeableJobConcern
extend ActiveSupport::Concern
included do
include AASM
enum job_status: {
pending: 'pending',
generated: 'generated',
failed: 'failed'
}
aasm whiny_persistence: true, column: :job_status, enum: true do
state :pending, initial: true
state :generated
state :failed
event :make_available do
transitions from: :pending, to: :generated
end
event :restart do
transitions from: :failed, to: :pending
end
event :fail do
transitions from: :pending, to: :failed
end
end
scope :stale, lambda { |duration|
where(job_status: [job_statuses.fetch(:generated), job_statuses.fetch(:failed)])
.where('updated_at < ?', (Time.zone.now - duration))
}
def available?
generated?
end
def compute_with_safe_stale_for_purge(&block)
restart! if failed? # restart for AASM
yield
make_available!
rescue => e
fail! # fail for observability
raise e # re-raise for retryable behaviour
end
end
end

9
app/models/export.rb
View file

@ -4,6 +4,7 @@
#
# id :bigint not null, primary key
# format :string not null
# job_status :string
# key :text not null
# procedure_presentation_snapshot :jsonb
# statut :string default("tous")
@ -13,7 +14,9 @@
# procedure_presentation_id :bigint
#
class Export < ApplicationRecord
MAX_DUREE_CONSERVATION_EXPORT = 3.hours
include TransientModelsWithPurgeableJobConcern
MAX_DUREE_CONSERVATION_EXPORT = 16.hours
enum format: {
csv: 'csv',
@ -69,10 +72,6 @@ class Export < ApplicationRecord
time_span_type == Export.time_span_types.fetch(:monthly) ? 30.days.ago : nil
end
def ready?
file.attached?
end
def old?
updated_at < 20.minutes.ago || filters_changed?
end

2
app/views/shared/archives/_table.html.haml
View file

@ -22,7 +22,7 @@
= number_to_human_size(weight)
%td.center
- if matching_archive.present?
- if matching_archive.status == 'generated' && matching_archive.file.attached?
- if matching_archive.available?
= link_to url_for(matching_archive.file), class: 'button primary' do
%span.icon.download-white
= t(:archive_ready_html, scope: [:instructeurs, :procedure], generated_period: time_ago_in_words(matching_archive.updated_at))

7
db/migrate/20220707152632_cleanup_export_and_archive.rb Normal file
View file

@ -0,0 +1,7 @@
class CleanupExportAndArchive < ActiveRecord::Migration[6.1]
def change
safety_assured do
rename_column :archives, :status, :job_status
end
end
end

3
db/schema.rb
View file

@ -88,9 +88,9 @@ ActiveRecord::Schema.define(version: 2022_07_08_152039) do
create_table "archives", force: :cascade do |t|
t.datetime "created_at", precision: 6, null: false
t.string "job_status", null: false
t.text "key", null: false
t.date "month"
t.string "status", null: false
t.string "time_span_type", null: false
t.datetime "updated_at", precision: 6, null: false
t.index ["key", "time_span_type", "month"], name: "index_archives_on_key_and_time_span_type_and_month", unique: true
@ -430,6 +430,7 @@ ActiveRecord::Schema.define(version: 2022_07_08_152039) do
create_table "exports", force: :cascade do |t|
t.datetime "created_at", null: false
t.string "format", null: false
t.string "job_status"
t.text "key", null: false
t.bigint "procedure_presentation_id"
t.jsonb "procedure_presentation_snapshot"

2
spec/controllers/administrateurs/exports_controller_spec.rb
View file

@ -38,7 +38,7 @@ describe Administrateurs::ExportsController, type: :controller do
end
context 'when the export is ready' do
let(:export) { create(:export, groupe_instructeurs: procedure.groupe_instructeurs) }
let(:export) { create(:export, job_status: :generated, groupe_instructeurs: procedure.groupe_instructeurs) }
before do
export.file.attach(io: StringIO.new('export'), filename: 'file.csv')

2
spec/controllers/instructeurs/procedures_controller_spec.rb
View file

@ -498,7 +498,7 @@ describe Instructeurs::ProceduresController, type: :controller do
end
context 'when the export is ready' do
let(:export) { create(:export, groupe_instructeurs: [gi_1]) }
let(:export) { create(:export, groupe_instructeurs: [gi_1], job_status: 'generated') }
before do
export.file.attach(io: StringIO.new('export'), filename: 'file.csv')

4
spec/factories/archive.rb
View file

@ -5,11 +5,11 @@ FactoryBot.define do
key { 'unique-key' }
trait :pending do
status { 'pending' }
job_status { 'pending' }
end
trait :generated do
status { 'generated' }
job_status { 'generated' }
end
end
end

2
spec/jobs/archive_creation_job_spec.rb
View file

@ -1,6 +1,6 @@
describe ArchiveCreationJob, type: :job do
describe 'perform' do
let(:archive) { create(:archive, status: status, groupe_instructeurs: [procedure.groupe_instructeurs.first]) }
let(:archive) { create(:archive, job_status: status, groupe_instructeurs: [procedure.groupe_instructeurs.first]) }
let(:instructeur) { create(:instructeur) }
let(:procedure) { create(:procedure, instructeurs: [instructeur]) }
let(:job) { ArchiveCreationJob.new(procedure, archive, instructeur) }

26
spec/models/archive_spec.rb
View file

@ -1,32 +1,38 @@
describe Dossier do
describe Archive do
include ActiveJob::TestHelper
before { Timecop.freeze(Time.zone.now) }
after { Timecop.return }
let(:archive) { create(:archive) }
let(:archive) { create(:archive, job_status: :pending) }
describe 'scopes' do
describe 'staled' do
let(:recent_archive) { create(:archive) }
let(:staled_archive) { create(:archive, updated_at: (Archive::RETENTION_DURATION + 2).days.ago) }
let(:recent_archive) { create(:archive, job_status: :pending) }
let(:staled_archive_still_pending) { create(:archive, job_status: :pending, updated_at: (Archive::RETENTION_DURATION + 2).days.ago) }
let(:staled_archive_still_failed) { create(:archive, job_status: :failed, updated_at: (Archive::RETENTION_DURATION + 2).days.ago) }
let(:staled_archive_still_generated) { create(:archive, job_status: :generated, updated_at: (Archive::RETENTION_DURATION + 2).days.ago) }
subject do
archive; recent_archive; staled_archive
Archive.stale
archive
recent_archive
staled_archive_still_pending
staled_archive_still_failed
staled_archive_still_generated
Archive.stale(Archive::RETENTION_DURATION)
end
it { is_expected.to match_array([staled_archive]) }
it { is_expected.to match_array([staled_archive_still_failed, staled_archive_still_generated]) }
end
end
describe '.status' do
it { expect(archive.status).to eq('pending') }
describe '.job_status' do
it { expect(archive.job_status).to eq('pending') }
end
describe '#make_available!' do
before { archive.make_available! }
it { expect(archive.status).to eq('generated') }
it { expect(archive.job_status).to eq('generated') }
end
describe '#available?' do

4
spec/services/procedure_archive_service_spec.rb
View file

@ -18,7 +18,7 @@ describe ProcedureArchiveService do
after { Timecop.return }
context 'for a specific month' do
let(:archive) { create(:archive, time_span_type: 'monthly', status: 'pending', month: date_month, groupe_instructeurs: groupe_instructeurs) }
let(:archive) { create(:archive, time_span_type: 'monthly', job_status: 'pending', month: date_month, groupe_instructeurs: groupe_instructeurs) }
let(:year) { 2021 }
it 'collects files with success' do
@ -120,7 +120,7 @@ describe ProcedureArchiveService do
end
context 'for all months' do
let(:archive) { create(:archive, time_span_type: 'everything', status: 'pending', groupe_instructeurs: groupe_instructeurs) }
let(:archive) { create(:archive, time_span_type: 'everything', job_status: 'pending', groupe_instructeurs: groupe_instructeurs) }
it 'collect files' do
allow_any_instance_of(ActiveStorage::Attachment).to receive(:url).and_return("https://opengraph.githubassets.com/5e61989aecb78e369c93674f877d7bf4ecde378850114a9563cdf8b6a2472536/typhoeus/typhoeus/issues/110")