From: Ian Kelling <iank@fsf.org>
Date: Thu, 18 Apr 2024 02:58:40 +0000 (-0400)
Subject: split out stable kernel install into separate script
X-Git-Url: https://iankelling.org/git/?p=automated-distro-installer;a=commitdiff_plain;h=a15c2ba88789fd9a37bd5a860fda1b3877999421

split out stable kernel install into separate script
---

diff --git a/fai/config/distro-install-common/install-stable-kernel-debs b/fai/config/distro-install-common/install-stable-kernel-debs
new file mode 100755
index 0000000..8377490
--- /dev/null
+++ b/fai/config/distro-install-common/install-stable-kernel-debs
@@ -0,0 +1,56 @@
+#!/bin/bash -x
+# This file is part of Ian Kelling's automated-distro-installer
+# Copyright (C) 2024 Ian Kelling
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
+
+tmpdir=$(mktemp -d) || exit
+trap 'cd; rm -rf "$tmpdir"' EXIT
+cd $tmpdir
+
+# update ver= when we are ready to jump to a new stable kernel.
+# note: this is duplicated in 11-iank.
+# Stable kernels are listed here: https://www.kernel.org/category/releases.html
+ver='6\.6'
+va=$(curl -s https://kernel.ubuntu.com/mainline/ | \
+       sed -rn 's,.*alt="\[DIR\]".*href="([^/]+).*,\1,p' | \
+       grep -v -- -rc | sed 's/^v//' | grep "^$ver" | sort -V | tail -n1)
+
+# note the wiki page about these says to install linux-headers.*generic.*amd64, but
+# as of 2024, they have a requirement of a very new glibc, and people report
+# that installing it is not needed.
+tmpstr=$(curl -s https://kernel.ubuntu.com/mainline/v$va/amd64/CHECKSUMS | awk '$2 ~ /^linux-/ { print $2 }' | sort -u | grep -iv 'linux-headers.*generic.*amd64' )
+mapfile -t pkgs <<<"$tmpstr"
+
+if (( ${#pkgs[@]} != 3 )); then
+  echo "$0: error. expected to find 3 kernel packages, got: ${pkgs[*]}" >&2
+  exit 1
+fi
+
+urls=()
+for p in ${pkgs[@]}; do
+  if ! dpkg -s -- "${p%%_*}"  2>&1 | grep -Fx "Status: install ok installed" &>/dev/null; then
+    urls+=(https://kernel.ubuntu.com/mainline/v$va/amd64/$p)
+  fi
+done
+if (( ${#urls[@]} >= 1 )); then
+  wget "${urls[@]}"
+  dpkg -i *.deb
+fi
diff --git a/fai/config/scripts/IANK/11-iank b/fai/config/scripts/IANK/11-iank
index 9879863..6c9c9bf 100755
--- a/fai/config/scripts/IANK/11-iank
+++ b/fai/config/scripts/IANK/11-iank
@@ -225,38 +225,12 @@ EOF
 fi
 
 # for new btrfs features, get latest stable kernel and btrfs progs,
-# update ver= as needed.
+# update ver= when we are ready to jump to a new stable kernel.
+# note: this is duplicated in install-stable-kernel-debs.
+ver='6\.6'
 case $HOSTNAME in
   sy)
-    mkdir -p $FAI_ROOT/tmp/kernel-debs
-    files=($FAI_ROOT/tmp/kernel-debs/*)
-    if (( ${#files[@]} >= 1 )); then
-      rm -rf "${files[@]}"
-    fi
-    cd $FAI_ROOT/tmp/kernel-debs
-    ver='6\.6'
-    va=$(curl -s https://kernel.ubuntu.com/mainline/ | \
-           sed -rn 's,.*alt="\[DIR\]".*href="([^/]+).*,\1,p' | \
-           grep -v -- -rc | sed 's/^v//' | grep "^$ver" | sort -V | tail -n1)
-
-    # note the wiki page about these says to install linux-headers.*generic.*amd64, but
-    # as of 2024, they have a requirement of a very new glibc, and people report
-    # that installing it is not needed.
-    pkgs=$(curl -s https://kernel.ubuntu.com/mainline/v$va/amd64/CHECKSUMS | awk '$2 ~ /^linux-/ { print $2 }' | sort -u | grep -iv 'linux-headers.*generic.*amd64' )
-
-    urls=()
-    for p in $pkgs; do
-      if ! dpkg -s -- "${p%%_*}"  2>&1 | grep -Fx "Status: install ok installed" &>/dev/null; then
-        urls+=(https://kernel.ubuntu.com/mainline/v$va/amd64/$p)
-      fi
-    done
-    if (( ${#urls[@]} >= 1 )); then
-      wget "${urls[@]}"
-      $chroot bash <<EOF
-cd /tmp/kernel-debs
-dpkg -i *.deb
-EOF
-    fi
+    ./fai/config/distro-install-common/install-stable-kernel-debs
     ;;
   *)
     $chroot apt-get -y install linux-libre
@@ -271,7 +245,7 @@ dir=${tarball%.tar.gz}
 ver=${dir#btrfs-progs}
 cur_ver=$(btrfs --version 2>/dev/null | awk '{print $2}') ||:
 if [[ $ver != "$cur_ver" ]]; then
-  if [[ $HOST2 == $HOSTNAME && $ver != "$($bprogs_dir/btrfs --version 2>/dev/null | awk '{print $2}')" ]]; then
+  if [[ $HOST2 == "$HOSTNAME" && $ver != "$($bprogs_dir/btrfs --version 2>/dev/null | awk '{print $2}')" ]]; then
     rm -rf $bprogs_dir
     cd /tmp
     wget $url