migration-3.5: mention task specific network access

Message ID 20220118130752.3463023-1-michael.opdenacker@bootlin.com
State New
Headers show
Series migration-3.5: mention task specific network access | expand

Commit Message

Michael Opdenacker Jan. 18, 2022, 1:07 p.m. UTC
Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
---
 documentation/migration-guides/migration-3.5.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Richard Purdie Jan. 18, 2022, 1:41 p.m. UTC | #1
On Tue, 2022-01-18 at 14:07 +0100, Michael Opdenacker wrote:
> Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
> ---
>  documentation/migration-guides/migration-3.5.rst | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/documentation/migration-guides/migration-3.5.rst b/documentation/migration-guides/migration-3.5.rst
> index bd807eb8c7..df15487b10 100644
> --- a/documentation/migration-guides/migration-3.5.rst
> +++ b/documentation/migration-guides/migration-3.5.rst
> @@ -22,6 +22,18 @@ Recipe changes
>    recipes now need to use ``;protocol=https`` at the end of GitHub
>    URLs. The same script as above can be used to convert the recipes.
>  
> +- Network access from tasks is now disabled by default on kernels which support
> +  this feature (on most recent distros such as CentOS 8 and Debian 11 onwards).
> +  This means that tasks accessing the network need to be marked as such with the ``network``
> +  flag. For example::
> +
> +     do_mytask[network] = "1"
> +
> +  This is allowed by default from ``do_fetch`` but not from any of our other standard
> +  tasks. Recipes shouldn't be accessing the network outside of ``do_fetch`` as it
> +  usually undermines fetcher source mirroring, image and licence manifests, software
> +  auditing and supply chain security.
> +
>  - The :term:`TOPDIR` variable and the current working directory are no longer modified
>    when parsing recipes. Any code depending on that behaviour will no longer work.

Looks good to me, thanks!

Cheers,

Richard

Patch

diff --git a/documentation/migration-guides/migration-3.5.rst b/documentation/migration-guides/migration-3.5.rst
index bd807eb8c7..df15487b10 100644
--- a/documentation/migration-guides/migration-3.5.rst
+++ b/documentation/migration-guides/migration-3.5.rst
@@ -22,6 +22,18 @@  Recipe changes
   recipes now need to use ``;protocol=https`` at the end of GitHub
   URLs. The same script as above can be used to convert the recipes.
 
+- Network access from tasks is now disabled by default on kernels which support
+  this feature (on most recent distros such as CentOS 8 and Debian 11 onwards).
+  This means that tasks accessing the network need to be marked as such with the ``network``
+  flag. For example::
+
+     do_mytask[network] = "1"
+
+  This is allowed by default from ``do_fetch`` but not from any of our other standard
+  tasks. Recipes shouldn't be accessing the network outside of ``do_fetch`` as it
+  usually undermines fetcher source mirroring, image and licence manifests, software
+  auditing and supply chain security.
+
 - The :term:`TOPDIR` variable and the current working directory are no longer modified
   when parsing recipes. Any code depending on that behaviour will no longer work.