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appliance: init: generate /etc/machine-id

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Some of the systemd-tmpfiles snippets need the machine ID of the running
system; the current lack of this file produces warning messages during
the appliance boot like:

[/usr/lib/tmpfiles.d/systemd.conf:26] Failed to replace specifiers: /run/log/journal/%m
[/usr/lib/tmpfiles.d/systemd.conf:28] Failed to replace specifiers: /run/log/journal/%m
[/usr/lib/tmpfiles.d/systemd.conf:29] Failed to replace specifiers: /run/log/journal/%m

Thus create a new randomly-generated /etc/machine-id on boot.
This commit is contained in:
Pino Toscano
2016-03-30 10:15:49 +02:00
parent da7e22b648
commit 807433bc23
1 changed files with 4 additions and 0 deletions
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appliance/init
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@@ -85,6 +85,10 @@ fi
mkdir -p /run/tmpfiles.d
kmod static-nodes --format=tmpfiles --output=/run/tmpfiles.d/kmod.conf
# Create a machine-id with a random UUID
machine_id=$(dd if=/dev/urandom bs=16 count=1 status=none | od -x -A n)
echo "${machine_id// /}" > /etc/machine-id
# Set up tmpfiles (must run after kmod.conf is created above).
systemd-tmpfiles --prefix=/dev --create --boot