docs: user_script add note that Packer will not automatically wait for completion.

website/source/docs/builders/alicloud-ecs.html.md

@@ -180,6 +180,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/amazon-ebs.html.md

@@ -478,6 +478,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/amazon-ebssurrogate.html.md

@@ -474,6 +474,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/amazon-ebsvolume.html.md

@@ -384,6 +384,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/amazon-instance.html.md

@@ -467,6 +467,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/cloudstack.html.md

@@ -171,6 +171,8 @@ builder.
 -   `user_data` (string) - User data to launch with the instance. This is a
     [template engine](/docs/templates/engine.html) see _User Data_ bellow for more
     details.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance. This file will be parsed as a

website/source/docs/builders/digitalocean.html.md

@@ -84,6 +84,8 @@ builder.
     default state timeout is "6m".
 
 -   `user_data` (string) - User data to launch with the Droplet.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the Droplet.

website/source/docs/builders/hetzner-cloud.html.md

@@ -61,6 +61,8 @@ builder.
 -   `poll_interval` (string) - Configures the interval in which actions are polled by the client. Default `500ms`. Increase this interval if you run into rate limiting errors.
 
 -   `user_data` (string) - User data to launch with the server.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the server.

website/source/docs/builders/ncloud.html.md

@@ -51,6 +51,8 @@ Platform](https://www.ncloud.com/).
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/openstack.html.md

@@ -255,6 +255,8 @@ builder.
 -   `user_data` (string) - User data to apply when launching the instance. Note
     that you need to be careful about escaping characters due to the templates
     being JSON. It is often more convenient to use `user_data_file`, instead.
+    Packer will not automatically wait for a user script to finish before
+    shutting down the instance this must be handled in a provisioner.
 
 -   `user_data_file` (string) - Path to a file that will be used for the user
     data when launching the instance.

website/source/docs/builders/oracle-oci.html.md

@@ -132,6 +132,8 @@ launched instance.
  - `user_data` (string) - User data to be used by cloud-init. See [the Oracle docs](https://docs.us-phoenix-1.oraclecloud.com/api/#/en/iaas/20160918/LaunchInstanceDetails) for more details. Generally speaking, it is easier to use the `user_data_file`,
    but you can use this option to put either the plaintext data or the base64
    encoded data directly into your Packer config.
+   Packer will not automatically wait for a user script to finish before
+   shutting down the instance this must be handled in a provisioner.
 
  - `user_data_file` (string) - Path to a file to be used as user data by cloud-init. See [the Oracle docs](https://docs.us-phoenix-1.oraclecloud.com/api/#/en/iaas/20160918/LaunchInstanceDetails) for more details. Example:
    `"user_data_file": "./boot_config/myscript.sh"`