Remove IP matching from e-mail domain blocks (#18190)

Clear out e-mail domain blocks created from automatically resolved DNS records

db/migrate/20180615122121_add_autofollow_to_invites.rb

@@ -5,7 +5,7 @@ class AddAutofollowToInvites < ActiveRecord::Migration[5.2]
 
   disable_ddl_transaction!
 
-  def change
+  def up
     safety_assured do
       add_column_with_default :invites, :autofollow, :bool, default: false, allow_null: false
     end

db/post_migrate/20220429101025_remove_ips_from_email_domain_blocks.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class RemoveIpsFromEmailDomainBlocks < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  def change
+    safety_assured do
+      remove_column :email_domain_blocks, :ips, :inet, array: true
+      remove_column :email_domain_blocks, :last_refresh_at, :datetime
+    end
+  end
+end

db/post_migrate/20220429101850_clear_email_domain_blocks.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class ClearEmailDomainBlocks < ActiveRecord::Migration[5.2]
+  disable_ddl_transaction!
+
+  class EmailDomainBlock < ApplicationRecord
+  end
+
+  def up
+    EmailDomainBlock.where.not(parent_id: nil).in_batches.delete_all
+  end
+
+  def down; end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_04_28_114902) do
+ActiveRecord::Schema.define(version: 2022_04_29_101850) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -389,8 +389,6 @@ ActiveRecord::Schema.define(version: 2022_04_28_114902) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.bigint "parent_id"
-    t.inet "ips", array: true
-    t.datetime "last_refresh_at"
     t.index ["domain"], name: "index_email_domain_blocks_on_domain", unique: true
   end