X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=faiserver-setup;h=959b7d33dea68fc765059c84478678cea9e98291;hb=d9993568d38dd7d2d18ced6b5007e9cc07d1e576;hp=58d670d531a84b230586612c6f8dc54905d37194;hpb=fe81034ee9664d8e131bac218b40d99a58a31649;p=automated-distro-installer

diff --git a/faiserver-setup b/faiserver-setup
index 58d670d..959b7d3 100755
--- a/faiserver-setup
+++ b/faiserver-setup
@@ -17,10 +17,11 @@
 
 x="$(readlink -f "$BASH_SOURCE")"; source "${x%/*}/bash-trace"
 
-[[ $EUID == 0 ]] || exec sudo -i "${BASH_SOURCE}" "$@"
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
+
 
 usage() {
-  cat <<EOF
+  cat <<'EOF'
 usage: ${0##*/} [-h|--help] [BASE_CODENAME] [ARCH]
 install fai-server on the current machine
 
@@ -29,11 +30,30 @@ as the tftp server. I vaguely remember that using a hostname does not
 work.  Separate from running this, faiserver needs to be setup in dns to
 point to whatever host this is run on.
 
-Default BASE_CODENAME is buster. Default ARCH is 64. The script expects corresponding
+Default BASE_CODENAME is bullseye. Default ARCH is 64. The script expects corresponding
 $BASEFILE_DIR/${UPCASED_BASE_CODENAME}${ARCH}.tar.(gz|xz) to exist, and it must have been
 generated around the same time as the nfsroot, at least so it has the
 same kernel version.
 
+for copying and running this on a remote server,
+scp -tPrl fai SERVER:
+scp $(readlink -f ~/.ssh/home.pub) SERVER:.ssh
+scp /a/bin/cedit/cedit SERVER:/usr/local/bin
+# todo: make the above key be an option
+
+
+Note: there is a bug in 5.9.4, fixed by adding
+    sleep 2
+
+Note: in t9, there is a bug in recent fai packages (eg 2021+), where
+  unshare uses a too new argument. I was able to fix it by
+  just going to the site of the error and changing unshare to
+  chroot like it used to be, but I'm not bothering to make
+  any persistent fix, since I'm now on t10. If it ever came
+  up again, using an old fai package would also work.
+  /usr/sbin/fai-make-nfsroot:503, before apt-get update
+
+
 EOF
   exit $1
 }
@@ -45,8 +65,14 @@ esac
 e() { echo "+ $@"; "$@"; }
 
 
-base=${1:-buster}
+base=${1:-bullseye}
 arch=${2:-64}
+
+if [[ $base == [[:upper:]] ]]; then
+  echo $0: error: use lowercase base
+  exit 1
+fi
+
 basefile=($BASEFILE_DIR/${base^^}${arch^^}.tar.gz)
 sed="sed -ri --follow-symlinks"
 
@@ -69,33 +95,39 @@ armhf() {
   [[ $(dpkg --print-architecture) == armhf ]]
 }
 
-if grep -xFq 'VERSION="8 (jessie)"' /etc/os-release; then
-  gpg -a --recv-keys 2BF8D9FE074BCDE4; gpg -a --export 2BF8D9FE074BCDE4 | apt-key add -
-  cat >/etc/apt/sources.list.d/fai.list <<'EOF'
-deb https://fai-project.org/download jessie koeln
-EOF
-elif grep -iE 'VERSION=.*(stretch|flidas|xenail|buster|etiona)' /etc/os-release; then
-  # fai on ubuntu only has official support using the universe repo, but newer
-  # tends to have less bugs.
-  wget -O - https://fai-project.org/download/2BF8D9FE074BCDE4.asc | apt-key add -
-
-  case $base in
-    stretch)
-      cat >/etc/apt/sources.list.d/fai.list <<'EOF'
-deb https://fai-project.org/download stretch koeln
-EOF
-      ;;
-    buster)
-      cat >/etc/apt/sources.list.d/fai.list <<'EOF'
-deb https://fai-project.org/download buster koeln
+# fai on ubuntu only has official support using the universe repo, but newer
+# tends to have less bugs.
+wget -O - https://fai-project.org/download/2BF8D9FE074BCDE4.asc | apt-key add -
+
+update=false
+case $base in
+  stretch|buster|bullseye)
+    if ! grep -qFx "deb https://fai-project.org/download $base koeln" /etc/apt/sources.list.d/fai.list; then
+      update=true
+    fi
+    cat >/etc/apt/sources.list.d/fai.list <<EOF
+deb https://fai-project.org/download $base koeln
 EOF
-      ;;
-  esac
-else
-  rm -f /etc/apt/sources.list.d/fai.list
+    ;;
+  *)
+    echo "$0: error: script needs updating for new base" >&2
+    exit 1
+    ;;
+esac
+
+f=/var/cache/apt/pkgcache.bin;
+if [[ -r $f ]]; then
+  cachetime=$(stat -c %Y $f );
+  now=$(date +%s)
+  limittime=$(( now - 60*60*2 ))
+  if (( cachetime > limittime )); then
+    update=true
+  fi
 fi
 
-apt-get update
+if $update; then
+  apt-get update
+fi
 
 # Relevant packages from fai-quickstart depends and fai-server recommends.
 # I especially do not wait isc-dhcp-server or an inetd. Also excludes
@@ -103,7 +135,8 @@ apt-get update
 # kernel, or the ability to install it.
 # xorriso is for running fai-cd -a, not strictly need for fai-server
 # perl-tk is for fai-monitor-gui
-pkgs=(fai-doc tftpd-hpa tar reprepro squashfs-tools binutils xorriso)
+# mtools is for fai-cd
+pkgs=(fai-doc tftpd-hpa tar reprepro squashfs-tools binutils xorriso perl-tk mtools)
 if modprobe nfsd &>/dev/null; then
   pkgs+=(nfs-kernel-server)
 else
@@ -120,39 +153,55 @@ r=http://http.us.debian.org/debian
 # like default, but scrap httpredir, and nonfree.
 # All my systems should be able to get along without nonfree
 # for a base working system afaik.
+
 cat >/etc/fai/apt/sources.list <<EOF
 deb $r $base main contrib
-deb http://security.debian.org/debian-security $base/updates main contrib
 EOF
 
-
+### begin setup security repo ###
 case $base in
-  jessie|stretch|buster)
+  stretch|buster)
     cat >>/etc/fai/apt/sources.list <<EOF
-# use fai repo. it's commented in the defaults. it's got bug fixes.
-# and may contain newer packages.
-deb http://fai-project.org/download $base koeln
+deb http://security.debian.org/debian-security $base/updates main contrib
 EOF
     ;;
+  *)
+    # new naming convention
+    cat >>/etc/fai/apt/sources.list <<EOF
+deb http://security.debian.org/debian-security $base-security main contrib
+EOF
 esac
+### end setup security repo ###
+
 
-if [[ $base == jessie ]]; then
-  cat >>/etc/fai/apt/sources.list <<'EOF'
-# fix tar https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819978
-deb http://ftp.debian.org/debian jessie-backports main
+cat >>/etc/fai/apt/sources.list <<EOF
+# use fai repo. it's commented in the defaults. it's got bug fixes.
+# and may contain newer packages.
+deb http://fai-project.org/download $base koeln
 EOF
-  # note, fai doesn\'t look at /etc/fai/apt/preferences.d
-  cat >/etc/fai/apt/preferences <<'EOF'
-Package: tar
-Pin: release a=jessie-backports
-Pin-Priority: 500
+
+## Get latest kernel and btrfs for dealing with btrfs issues.
+# if [[ $base == buster ]]; then
+#   cat >>/etc/fai/apt/sources.list <<'EOF'
+# deb http://ftp.debian.org/debian buster-backports main
+# EOF
+#   # note, fai doesn\'t look at /etc/fai/apt/preferences.d
+#   cat >/etc/fai/apt/preferences <<'EOF'
+# Package: linux-* firmware-linux-free btrfs-progs
+# Pin: release a=buster-backports
+# Pin-Priority: 500
+# EOF
+# fi
+
+
+if [[ -s /q/root/shadow/standard ]]; then
+  $sed -f - /etc/fai/nfsroot.conf <<EOF
+$ a FAI_ROOTPW='$(</q/root/shadow/standard)'
+/^\s*FAI_ROOTPW/d
 EOF
 fi
 
-
 $sed -f - /etc/fai/nfsroot.conf <<EOF
-$ a FAI_ROOTPW='$(</q/root/shadow/standard)'
-/^\s*FAI_ROOTPW/d
 $ a SSH_IDENTITY=/root/.ssh/home.pub
 /^\s*SSH_IDENTITY/d
 s,^( *FAI_DEBOOTSTRAP=).*,\1"$base $r",
@@ -210,13 +259,8 @@ if armhf; then
     # tftp environment
     local pxebin
 
-    # wheezy path
-    if [ -f $NFSROOT/usr/lib/PXELINUX/pxelinux.0 ]; then
-      pxebin=$NFSROOT/usr/lib/PXELINUX/pxelinux.0
-    else
-      # jessie+ path
-      pxebin=$NFSROOT/usr/lib/syslinux/pxelinux.0
-    fi
+    # jessie+ path
+    pxebin=$NFSROOT/usr/lib/syslinux/pxelinux.0
 
     rm -f $NFSROOT/boot/*.bak
     mkdir -p $TFTPROOT/pxelinux.cfg
@@ -250,6 +294,12 @@ else # not armhf
   e fai-setup -evf -B $basefile
   # fai-setup expert mode avoids writing to /var/log/fai/variables
   # at least config_src is needed for autodiscover
+
+
+  # lld /var/log/fai/remote-logs:
+  # d 750  fai nogroup 100 08-07 08:51 pm /var/log/fai/remote-logs
+  # We could change the group or something, but why not just give me more permissions :)
+  e usermod -a -G nogroup iank
   $sed '/^FAI_CONFIGDIR|^FAI_CONFIG_SRC|^LOGUSER/d' /var/log/fai/variables
   tee -a /var/log/fai/variables <<'EOF'
 LOGUSER=fai
@@ -257,15 +307,27 @@ FAI_CONFIGDIR=/srv/fai/config
 FAI_CONFIG_SRC=nfs://faiserver/srv/fai/config
 EOF
   # make the faiserver also the apt proxy server
-  apt-get -y install apt-cacher-ng
+  # apt-get -y install apt-cacher-ng
 fi
 
 rm -f /srv/fai/nfsroot/root/.ssh/known_hosts
-key=$(ssh-keyscan localhost |& grep -o "ecdsa-sha2-nistp256.*")
+if [[ $HOSTNAME == kd ]]; then
+  keyscan_arg="-p 8989"
+fi
+key=$(ssh-keyscan $keyscan_arg localhost |& grep -o "ecdsa-sha2-nistp256.*")
 for ip in faiserver $(ip addr show up| grep -w '^ *inet' | awk '{print $2}'| cut -d / -f 1 | grep -vF 127.0.0.1); do
   echo "$ip $key" >>/srv/fai/nfsroot/root/.ssh/known_hosts
 done
 
+# make it the root because pxe-kexec only looks there.
+# It wouldn't be too hard to change if we needed.
+# We could also just dump things in /srv/tftp, but fai
+# has some defaults, which I don't even use, which expect
+# the other directory, so it's kind of a tossup, whatever.
+# This means fai's example isc-dhcp-server filename directory should remove the fai/ prefix.
+sed -ri 's,^ *(TFTP_DIRECTORY=).*,\1"/srv/tftp/fai",' /etc/default/tftpd-hpa
+systemctl restart tftpd-hpa
+
 
 # serial console
 # mainly from