I was implemented, "install_chef_client" option for AmazonLinux.

lib/vagrant-aws/action/run_instance.rb

@@ -34,6 +34,7 @@ def call(env)
           subnet_id          = region_config.subnet_id
           tags               = region_config.tags
           user_data          = region_config.user_data
+          disable_sudo_requiretty  = region_config.disable_sudo_requiretty
 
           # If there is no keypair then warn the user
           if !keypair
@@ -45,6 +46,17 @@ def call(env)
             env[:ui].warn(I18n.t("vagrant_aws.launch_vpc_warning"))
           end
 
+          # If disable_sudo_requiretty then set install-script to user_data
+          if disable_sudo_requiretty
+            if user_data
+              env[:ui].warn(I18n.t("vagrant_aws.user_data_overwrite_warning"))
+            end
+            user_data = <<-__DISABLE_SUDO_REQUIRE_TTY__
+#!/bin/sh
+sed -i -e 's/^\\(Defaults.*requiretty\\)/#\\1/' /etc/sudoers
+            __DISABLE_SUDO_REQUIRE_TTY__
+          end
+
           # Launch!
           env[:ui].info(I18n.t("vagrant_aws.launching_instance"))
           env[:ui].info(" -- Type: #{instance_type}")

lib/vagrant-aws/action/sync_folders.rb

@@ -22,6 +22,14 @@ def call(env)
 
           ssh_info = env[:machine].ssh_info
 
+          region = env[:machine].provider_config.region
+          region_config = env[:machine].provider_config.get_region_config(region)
+          if region_config.disable_sudo_requiretty
+            # Wait to disable sudo-requiretty ...
+            env[:ui].info(I18n.t("vagrant_aws.waiting_to_disable_sudo_requiretty"))
+            env[:machine].communicate.execute("until sudo ls >/dev/null 2>&1; do sleep 1; done")
+          end
+
           env[:machine].config.vm.synced_folders.each do |id, data|
             data = scoped_hash_override(data, :aws)
 

lib/vagrant-aws/config.rb

@@ -86,6 +86,11 @@ class Config < Vagrant.plugin("2", :config)
       # @return [String]
       attr_accessor :user_data
 
+      # Set true if disable sudo-requiretty with user_data.
+      #
+      # @return [Boolean]
+      attr_accessor :disable_sudo_requiretty
+
       def initialize(region_specific=false)
         @access_key_id      = UNSET_VALUE
         @ami                = UNSET_VALUE
@@ -103,6 +108,7 @@ def initialize(region_specific=false)
         @tags               = {}
         @user_data          = UNSET_VALUE
         @use_iam_profile    = UNSET_VALUE
+        @disable_sudo_requiretty = UNSET_VALUE
 
         # Internal state (prefix with __ so they aren't automatically
         # merged)
@@ -212,6 +218,9 @@ def finalize!
         # User Data is nil by default
         @user_data = nil if @user_data == UNSET_VALUE
 
+        # disable_sudo_requiretty false by default
+        @disable_sudo_requiretty = false if @disable_sudo_requiretty == UNSET_VALUE
+
         # Compile our region specific configurations only within
         # NON-REGION-SPECIFIC configurations.
         if !@__region_specific

locales/en.yml

@@ -31,6 +31,11 @@ en:
     will_not_destroy: |-
       The instance '%{name}' will not be destroyed, since the confirmation
       was declined.
+    user_data_overwrite_warning: |-
+      Warning! You have specified `user_data` and `disable_sudo_requiretty = true`.
+      `user_data` wiill be overwritten for setting to /etc/sudoers.
+    waiting_to_disable_sudo_requiretty: |-
+      Waiting for setting to /etc/sudoers...
 
     config:
       access_key_id_required: |-