feat: clean up old instances automatically

app/jobs/instance_cleanup_job.rb

@@ -0,0 +1,13 @@
+class InstanceCleanupJob < ApplicationJob
+  queue_as :default
+
+  def perform(*args)
+    instances = Instance.all
+    to_be_deleted = instances.filter { |i|
+      # Mark instances older than 2 days for deletion
+      (Time.now.utc - i.created_at) / 2.days >= 1
+    }
+    Instance.where(id: to_be_deleted.map { |m| m.id }).destroy_all
+    print "#{to_be_deleted.length} instances destroyed\n"
+  end
+end

app/models/instance.rb

@@ -1,6 +1,6 @@
 class Instance < ApplicationRecord
-  has_many :pops
-  has_many :fairies
+  has_many :pops, dependent: :destroy
+  has_many :fairies, dependent: :destroy
 
   validates :zone, inclusion: { in: %w[anemos pagos pyros hydatos] }
 end

config/database.yml

@@ -21,8 +21,14 @@ default: &default
 
 
 development:
+  primary:
     <<: *default
     database: ecoffee_development
+  queue:
+    <<: *default
+    database: ecoffee_development_queue
+    migrations_paths: db/queue_migrate
+
 
   # The specified database role being used to connect to PostgreSQL.
   # To create additional roles in PostgreSQL see `$ createuser --help`.

config/environments/development.rb

@@ -54,6 +54,9 @@ Rails.application.configure do
 
   # Highlight code that enqueued background job in logs.
   config.active_job.verbose_enqueue_logs = true
+  config.active_job.queue_adapter = :solid_queue
+  config.active_job.verbose_enqueue_logs = true
+  config.solid_queue.connects_to = { database: { writing: :queue } }
 
   # Raises error for missing translations.
   # config.i18n.raise_on_missing_translations = true

config/recurring.yml

@@ -1,10 +1,8 @@
-# production:
-#   periodic_cleanup:
-#     class: CleanSoftDeletedRecordsJob
-#     queue: background
-#     args: [ 1000, { batch_size: 500 } ]
-#     schedule: every hour
-#   periodic_command:
-#     command: "SoftDeletedRecord.due.delete_all"
-#     priority: 2
-#     schedule: at 5am every day
+production:
+  periodic_cleanup:
+    class: InstanceCleanupJob
+    schedule: every 2 days at 10:00am
+development:
+  periodic_cleanup:
+    class: InstanceCleanupJob
+    schedule: every 30 seconds

db/queue_schema.rb

@@ -1,4 +1,19 @@
-ActiveRecord::Schema[7.1].define(version: 1) do
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[8.0].define(version: 1) do
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "pg_catalog.plpgsql"
+
   create_table "solid_queue_blocked_executions", force: :cascade do |t|
     t.bigint "job_id", null: false
     t.string "queue_name", null: false

fly.toml

@@ -14,6 +14,7 @@ PORT = '8080'
 
 [processes]
 app = './bin/rails server'
+jobs = "./bin/jobs start"
 
 [deploy]
 release_command = "./bin/rails db:prepare"

test/jobs/instance_cleanup_job_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class InstanceCleanupJobTest < ActiveJob::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end