X-Git-Url: https://iankelling.org/git/?p=automated-distro-installer;a=blobdiff_plain;f=myfai-chboot-local;h=1845cd02d58c6c98114f3eaf4987e01cb1e699e3;hp=66c496d069afa8dfb4f0b07782364a914c25cb1f;hb=845c2b9e9e7e25b3dfa3d7f750d0acae0e50caf4;hpb=83828fe2683227f4d8ecb2343eff28439741b490 diff --git a/myfai-chboot-local b/myfai-chboot-local index 66c496d..1845cd0 100755 --- a/myfai-chboot-local +++ b/myfai-chboot-local @@ -1,37 +1,130 @@ #!/bin/bash +# note, this script gets piped to bash, so cant cd to current dir + +[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@" set -eE -o pipefail trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR -case $1 in +kgped16=false +fai_action=install +fai_reboot_arg=,reboot +while [[ $1 == -* ]]; do + case $1 in -h|--help) - echo "see help from myfai-chboot" - exit 0 - ;; -esac + echo "see help from myfai-chboot" + exit 0 + ;; + -S) + fai_action=sysinfo + fai_reboot_arg= + shift + ;; + -i) #inventory + fai_action=inventory + fai_reboot_arg= + shift + ;; + -k) + kgped16=true; + shift + ;; + esac +done -[[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@" - -e() { echo "$@"; "$@"; } +pre="${0##*/}:" +m() { printf "$pre %s\n" "$*"; "$@"; } +e() { printf "$pre %s\n" "$*"; } +err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $pre: $*" >&2; } +host=$1 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 $3}') +# assuming ipv4, or else we might need to deal with multiple addresses +# in an ipv4 + ipv6 network. +my_ip=$(ip -4 route get 8.8.8.8 | 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 + +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 < + Deny from all + Allow from $ip + +EOF +fi + + + # man page doesn't explain this, but this deletes & thus disables # all chboot systems. -type -t host &>/dev/null || apt-get -y install dnsutils -gateway_ip=$(route -n | sed -rn 's/^0\.0\.0\.0\s+(\S+).*/\1/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$' | \ + sed -r "s/^(\S+\s+){3}(.*)/\2/") +# example of default_k_args +# initrd=initrd.img-3.16.0-4-amd64 ip=dhcp root=192.168.1.3:/srv/fai/nfsroot aufs FAI_CONFIG_SRC=nfs://faiserver/srv/fai/config FAI_ACTION=install + +k_args=(FAI_ACTION=$fai_action) +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) ;; + *) 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