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Auto-upgrade: Check kernel version before switching

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fruchti 2023-02-26 18:36:18 +01:00
parent 2b4264d32d
commit 70454613d1
1 changed files with 48 additions and 39 deletions
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55
options/auto-upgrade.nix
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@ -30,10 +30,6 @@ in
in '' in ''
set -o pipefail set -o pipefail
upgrade() {
${nixos-rebuild} ${cfg.operation} ${toString (cfg.flags ++ upgradeFlag)}
}
indent() indent()
{ {
while read -r line ; do while read -r line ; do
@ -43,6 +39,7 @@ in
start_time="$(${date})" start_time="$(${date})"
reboot_allowed="no" reboot_allowed="no"
activate_configuration="yes"
do_reboot="no" do_reboot="no"
exit_code=0 exit_code=0
@ -74,9 +71,7 @@ in
''} ''}
output_file="$(mktemp)" output_file="$(mktemp)"
upgrade 2>&1 | tee "$output_file" || exit_code=$? ${nixos-rebuild} boot ${toString (cfg.flags ++ upgradeFlag)} 2>&1 | tee "$output_file" || exit_code=$?
upgrade_output="$(cat "$output_file")"
rm -f "$output_file"
send_email=no send_email=no
email_subject="Upgrade succeeded" email_subject="Upgrade succeeded"
@ -87,21 +82,6 @@ in
email_body="The system upgrade started at $start_time has failed with exit code $exit_code." email_body="The system upgrade started at $start_time has failed with exit code $exit_code."
fi fi
possible_warnings="$(${grep} -e "^trace:" <<<"$upgrade_output" || true)"
if [ "$possible_warnings" != "" ] ; then
send_email=yes
email_subject="$email_subject with warnings"
email_body="$(cat <<-EOF
$email_body
These trace messages and warnings were encountered:
---------------------------------------------------
$possible_warnings
EOF
)"
fi
booted_version="$(${readlink} /run/booted-system/{initrd,kernel,kernel-modules})" booted_version="$(${readlink} /run/booted-system/{initrd,kernel,kernel-modules})"
built_version="$(${readlink} /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})" built_version="$(${readlink} /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
@ -109,7 +89,7 @@ in
version_comparison="$(cat <<-EOF version_comparison="$(cat <<-EOF
The booted kernel version The booted kernel version
$(indent "$booted_version") $(indent "$booted_version")
does not match currently active does not match the newly built
$(indent "$built_version") $(indent "$built_version")
. .
EOF EOF
@ -126,12 +106,41 @@ in
$version_comparison $version_comparison
EOF EOF
)" )"
activate_configuration="no"
if [ "$reboot_allowed" = "yes" ] && [ $exit_code -eq 0 ] ; then if [ "$reboot_allowed" = "yes" ] && [ $exit_code -eq 0 ] ; then
email_body="$(printf "%s\n%s" "$email_body" "The system will reboot now.")" email_body="$(printf "%s\n%s" "$email_body" "The system will reboot now.")"
do_reboot="yes" do_reboot="yes"
activate_configuration="yes"
else
email_body="$(printf "%s\n%s" "$email_body" "The upgraded configuration will be activated on the next reboot.")"
fi fi
fi fi
${optionalString (cfg.operation == "switch") ''
if [ "$activate_configuration" = "yes" ] ; then
echo "Activating new configuration."
${nixos-rebuild} switch ${toString cfg.flags} 2>&1 | tee -a "$output_file" || exit_code=$?
fi
''}
upgrade_output="$(cat "$output_file")"
rm -f "$output_file"
possible_warnings="$(${grep} -e "^trace:" <<<"$upgrade_output" || true)"
if [ "$possible_warnings" != "" ] ; then
send_email=yes
email_subject="$email_subject with warnings"
email_body="$(cat <<-EOF
$email_body
These trace messages and warnings were encountered:
---------------------------------------------------
$possible_warnings
EOF
)"
fi
${optionalString cfg.sendEmail '' ${optionalString cfg.sendEmail ''
if [ "$send_email" = "yes" ] ; then if [ "$send_email" = "yes" ] ; then
${sendmail} -t -X - <<-EOF ${sendmail} -t -X - <<-EOF