Allow the initial admin to set a password

Closes #1980

app/controllers/passwords_controller.rb

@@ -23,6 +23,14 @@ class PasswordsController < Devise::PasswordsController
     end
   end
 
+  def update
+    super do |resource|
+      if resource.valid? && resource.require_password?
+        resource.update_attribute(:password_automatically_set, false)
+      end
+    end
+  end
+
   protected
 
   def resource_from_email

app/controllers/sessions_controller.rb

@@ -4,8 +4,10 @@ class SessionsController < Devise::SessionsController
 
   skip_before_action :check_2fa_requirement, only: [:destroy]
 
+  prepend_before_action :check_initial_setup, only: [:new]
   prepend_before_action :authenticate_with_two_factor, only: [:create]
   prepend_before_action :store_redirect_path, only: [:new]
+
   before_action :auto_sign_in_with_provider, only: [:new]
   before_action :load_recaptcha
 
@@ -33,6 +35,22 @@ class SessionsController < Devise::SessionsController
 
   private
 
+  # Handle an "initial setup" state, where there's only one user, it's an admin,
+  # and they require a password change.
+  def check_initial_setup
+    return unless User.count == 1
+
+    user = User.admins.last
+
+    return unless user && user.require_password?
+
+    token = user.generate_reset_token
+    user.save
+
+    redirect_to edit_user_password_path(reset_password_token: token),
+      notice: "Please create a password for your new account."
+  end
+
   def user_params
     params.require(:user).permit(:login, :password, :remember_me, :otp_attempt)
   end

db/fixtures/production/001_admin.rb

+user_args = {
+  email:    ENV['GITLAB_ROOT_EMAIL'].presence || 'admin@example.com',
+  name:     'Administrator',
+  username: 'root',
+  admin:    true
+}
+
 if ENV['GITLAB_ROOT_PASSWORD'].blank?
-  password = '5iveL!fe'
-  expire_time = Time.now
+  user_args[:password_automatically_set] = true
+  user_args[:force_random_password] = true
 else
-  password = ENV['GITLAB_ROOT_PASSWORD']
-  expire_time = nil
+  user_args[:password] = ENV['GITLAB_ROOT_PASSWORD']
 end
 
-email = ENV['GITLAB_ROOT_EMAIL'].presence || 'admin@example.com'
-
-admin = User.create(
-  email: email,
-  name: "Administrator",
-  username: 'root',
-  password: password,
-  password_expires_at: expire_time,
-  theme_id: Gitlab::Themes::APPLICATION_DEFAULT
-
-)
+user = User.new(user_args)
+user.skip_confirmation!
 
-admin.projects_limit = 10000
-admin.admin = true
-admin.save!
-admin.confirm
+if user.save
+  puts "Administrator account created:".green
+  puts
+  puts "login:    root".green
 
-if admin.valid?
-puts %Q[
-Administrator account created:
+  if user_args.key?(:password)
+    puts "password: #{user_args[:password]}".green
+  else
+    puts "password: You'll be prompted to create one on your first visit.".green
+  end
+  puts
+else
+  puts "Could not create the default administrator account:".red
+  puts
+  user.errors.full_messages.map do |message|
+    puts "--> #{message}".red
+  end
+  puts
 
-login.........root
-password......#{password}
-]
+  exit 1
 end

spec/features/login_spec.rb

 require 'spec_helper'
 
 feature 'Login', feature: true do
+  describe 'initial login after setup' do
+    it 'allows the initial admin to create a password' do
+      # This behavior is dependent on there only being one user
+      User.delete_all
+
+      user = create(:admin, password_automatically_set: true)
+
+      visit root_path
+      expect(current_path).to eq edit_user_password_path
+      expect(page).to have_content('Please create a password for your new account.')
+
+      fill_in 'user_password',              with: 'password'
+      fill_in 'user_password_confirmation', with: 'password'
+      click_button 'Change your password'
+
+      expect(current_path).to eq new_user_session_path
+      expect(page).to have_content(I18n.t('devise.passwords.updated_not_active'))
+
+      fill_in 'user_login',    with: user.username
+      fill_in 'user_password', with: 'password'
+      click_button 'Sign in'
+
+      expect(current_path).to eq root_path
+    end
+  end
+
   describe 'with two-factor authentication' do
     context 'with valid username/password' do
       let(:user) { create(:user, :two_factor) }