X-Git-Url: https://iankelling.org/git/?p=automated-distro-installer;a=blobdiff_plain;f=myfai-chboot-local;h=d8d484658bc1d8895319f32de764a84a5927bec2;hp=8d4e1ce480bda868f8d3f8546cbe4cbb14963da8;hb=HEAD;hpb=e729557712e9355ffa9103e6083d1161d5fd6063

diff --git a/myfai-chboot-local b/myfai-chboot-local
index 8d4e1ce..7dea8f2 100755
--- a/myfai-chboot-local
+++ b/myfai-chboot-local
@@ -1,30 +1,204 @@
 #!/bin/bash
+# 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.
+
+
+[[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
+
+set -x
 
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
-[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
+pre="${0##*/}:"
+m() { printf "$pre %s\n"  "$*"; "$@"; }
+e() { printf "$pre %s\n"  "$*"; }
+err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; }
+
+usage() {
+  cat <<EOF
+Usage: call from myfai-chboot, see its help
+
+# note, this script gets piped to bash, so cant cd to current dir
 
-e() { echo "$@"; "$@"; }
+-h|--help  Print help and exit.
+
+Note: Uses util-linux getopt option parsing: spaces between args and
+options, short options can be combined, options before args.
+EOF
+  exit $1
+}
+
+
+kgped16=false
+bond=false
+fai_action=install
+fai_reboot_arg=,reboot
+
+# ensure we can handle args with spaces or empty.
+ret=0; getopt -T || ret=$?
+[[ $ret == 4 ]] || { echo "Install util-linux for enhanced getopt" >&2; exit 1; }
+
+temp=$(getopt -l help,no-r hSi "$@") || usage 1
+eval set -- "$temp"
+while true; do
+  case $1 in
+    -S)
+      fai_action=sysinfo
+      fai_reboot_arg=
+      ;;
+    -i) #inventory
+      fai_action=inventory
+      fai_reboot_arg=
+      ;;
+    -k)
+      kgped16=true
+      ;;
+    -b)
+      bond=true
+      ;;
+    --no-r)
+      fai_reboot_arg=
+      ;;
+    -h|--help) usage ;;
+    --) shift; break ;;
+    *) echo "$0: unexpected args: $*" >&2 ; usage 1 ;;
+  esac
+  shift
+done
+read -r host <<<"$@"
+readonly host
 
 
 rm -f /srv/tftp/fai/pxelinux.cfg/*
 if [[ ! $1 ]]; then
-    exit 0
+  echo "$0: clearing pxe config and exiting"
+  exit 0
 fi
 
-std_arg="-u nfs://faiserver/srv/fai/config"
-e fai-chboot -Iv $std_arg default # set it to default to get a val out of it next
-kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
+# somewhat duplicated in brc hostip()
+case $host in
+  default) : ;;
+  [0-9:])
+    hostip=$host
+    ;;
+  *)
+    hostip=$(getent ahostsv4 "$host" | awk '{ print $1 }' | head -n1)
+    ;;
+esac
+
+if [[ $hostip ]]; then
+
+  # assuming ipv4, or else we might need to deal with multiple addresses
+  # in an ipv4 + ipv6 network.
+  my_ip=$(ip -4 route get $hostip | sed -nr 's,^.*src\s+(\S+).*,\1,p')
+  if [[ ! $my_ip || $my_ip =~ [[:space:]] ]]; then
+    echo "$0: error: failed to get \$my_ip, got: $my_ip"
+    exit 1
+  fi
+else
+  my_ip=$(ip r show default | sed -r 's/.*via ([^ ]*).*/\1/' | head -n1)
+fi
+
+if [[ $host == default ]]; then
+  ip='*'
+elif [[ $host == [0-9]*.[0-9]*.[0-9]*.[0-9]* ]]; then
+  ip=$host/32
+else
+  type -t host &>/dev/null || apt-get -y install dnsutils
+  ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q' ||:)
+  if [[ ! $ip || $ip =~ [[:space:]] ]]; then
+    echo "$0: error: failed to get \$ip, got: $ip"
+    exit 1
+  fi
+  ip=$ip/32
+  echo "$0: found ip of $host: $ip"
+fi
+
+if modprobe nfsd &>/dev/null; then
+  std_arg="-u nfs://faiserver/srv/fai/config"
+  # nfsv4 wont do rw with overlayfs yet
+  # https://lists.uni-koeln.de/pipermail/linux-fai/2017-March/011641.html
+  root_arg="$my_ip:/srv/fai/nfsroot:vers=3"
+  # fai-setup without -e sets the ip to the local_ip/local_network, eg 192.168.1.3/24
+  # I restrict it to one ip as simple but imperfect access control.
+
+  # we may chattr +i /etc/exports if we dun want it modified
+  # for example, if we made these exports more widely available
+  # while doing multiple installs or a recovery.
+  if [[ -w /etc/exports ]]; then
+    sed -ri --follow-symlinks '\%^/srv/fai/%d' /etc/exports
+    cat >>/etc/exports <<EOF
+/srv/fai/config $ip(async,ro,no_subtree_check,no_root_squash)
+/srv/fai/nfsroot $ip(async,ro,no_subtree_check,no_root_squash)
+EOF
+    exportfs -ra
+  fi
+  systemctl start nfs-server # assumes recent os
+else
+  std_arg="-u http://faiserver:8080/config.tar.gz"
+  root_arg="live:http://faiserver:8080/squash.img"
+  /a/exe/web-conf -i -p 8080 - apache2 faiserver <<EOF
+<Location />
+    Deny from all
+    Allow from $ip
+</Location>
+EOF
+fi
+
+
+
 # man page doesn't explain this, but this deletes & thus disables
 # all chboot systems.
-type -t host &>/dev/null || apt-get -y install dnsutils
-gateway_ip=$(route -n | sed -rn 's/^(0\.){3}0\s+(\S+).*/\2/p')
-my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p')
-k_args=$(fai-chboot -L '^default$' | \
-             sed -r "s/^(\S+\s+){3}(.*root=)(.*)/\2$my_ip:\3/")
-rm -f /srv/tftp/fai/pxelinux.cfg/*
-e fai-chboot -k "$k_args" -v -f verbose,sshd,createvt,reboot $std_arg $kernel "$@"
+m fai-chboot -iv $std_arg default # set it to default to get a val out of it next
+kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
+default_k_args=$(fai-chboot -L '^default$' | \
+                   sed -r "s/^(\S+\s+){3}(.*)/\2/")
+# example of default_k_args
+# initrd=initrd.img-3.16.0-4-amd64 ip=dhcp root=192.168.1.3:/srv/fai/nfsroot FAI_CONFIG_SRC=nfs://faiserver/srv/fai/config FAI_ACTION=install
 
+# https://wiki.archlinux.org/index.php/Solid_state_drive#Resolving_NCQ_errors
+# currently on needed on d16 samsung 870 qvo, but better to have this
+# and not wait for more conditions where its needed.
+#k_args=(FAI_ACTION=$fai_action libata.force=noncq ifname:bootnet0:08:60:6e:10:f0:fe ifname:bootnet1:08:60:6e:10:f0:98 bond=bond0:bootnet0,bootnet1:mode=balance-rr)
+#k_args=(FAI_ACTION=$fai_action libata.force=noncq ifname:bootnet0:08:60:6e:10:f0:fe biosdevname=0 bootdev=bootnet0)
+k_args=(FAI_ACTION=$fai_action libata.force=noncq)
+if $kgped16; then
+  k_args+=(console=tty0 console=ttyS0,115200)
+fi
+
+for arg in $default_k_args; do
+  case $arg in
+    # default root arg is /srv/fai/nfsroot
+    root=*) k_args+=(root=$root_arg) ;;
+    # note: this works to only dhcp on one interface: ip=eth0:dhcp
+    ip=*)
+      if $bond; then
+        k_args+=("bond=bond0:eth0,eth1:mode=balance-rr ip=bond0:dhcp")
+      else
+        k_args+=($arg)
+      fi
+      ;;
+    *) k_args+=($arg) ;;
+  esac
+done
+rm -f /srv/tftp/fai/pxelinux.cfg/*
+m fai-chboot -k "${k_args[*]}" -v -f verbose,sshd,createvt$fai_reboot_arg $std_arg $kernel "$host"
 
-# todo, remove the nopxe script. adjust fai-check to reboot if it fails on the kexec.
+# this is needed for autodiscover iso. i'm not sure, it might override
+# the fai-chboot method of setting this, i'm not sure.
+echo FAI_ACTION=$fai_action >> /srv/fai/config/class/LAST.var