form submitting without performing any action rails

form submitting without performing any action rails

This is my login form
<%= form_for Customer.new, url: {action: :login} do |f| %>
<%= f.text_field :username,placeholder: 'Username or Email' %>
<%= f.password_field :password,placeholder: 'Password' %>
<%= f.submit 'Login' %>
<% end %>
This is my controller
def login
username = params[:username]
password = params[:password]
unless username.blank? && password.blank?
#My code doesn't entering to this block
end
end
If i submit form it is just submitted it doesn't perform any action