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oobe: exit early for cloud-init

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WSL supports `cloud-init` for provisioning. In some cases (RHEL) this is
enabled. If `wsl-setup` is used on RHEL then there's a TOCTOU between
the check for "no user exists" and the "create user" part as
`cloud-init` creates the user during the prompt.

Let's exit early and assume everything is handled by `cloud-init` *if*
it is enabled.

Signed-off-by: Simon de Vlieger <supakeen@redhat.com>
This commit is contained in:
Simon de Vlieger 2025-05-28 12:01:25 +02:00
parent 0479b8395c
commit 5afaf63d99
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1 changed files with 6 additions and 1 deletions
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7
wsl-oobe.sh
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@ -2,7 +2,8 @@
# The Fedora WSL out of box experience script.
#
# This command runs the first time the user opens an interactive shell.
# This command runs the first time the user opens an interactive shell if
# `cloud-init` is not enabled.
#
# A non-zero exit code indicates to WSL that setup failed.
@ -10,6 +11,10 @@ set -ueo pipefail
DEFAULT_USER_ID=1000
if systemctl is-enabled cloud-init.service > /dev/null ; then
exit 0
fi
echo 'Please create a default user account. The username does not need to match your Windows username.'
echo 'For more information visit: https://aka.ms/wslusers'