X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=myfai-chboot-local;h=f493db1565d6ad22e14111eec2d2b15d2e3cb431;hb=ac4e0089e245c96a388b8fcdd92fc05da3399694;hp=58babc14c750e088c4fd25cf0cd7bc08a81898be;hpb=06d7ec6b13af05465b2d88998be2bfbe7c3c43d6;p=automated-distro-installer

diff --git a/myfai-chboot-local b/myfai-chboot-local
index 58babc1..f493db1 100755
--- a/myfai-chboot-local
+++ b/myfai-chboot-local
@@ -4,75 +4,80 @@
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
-
+fai_action=install
 fai_action_arg=I
 fai_reboot_arg=,reboot
 case $1 in
-    -h|--help)
-        echo "see help from myfai-chboot"
-        exit 0
-        ;;
-    -S)
-        fai_action_arg=S
-        fai_reboot_arg=
-        shift
-        ;;
+  -h|--help)
+    echo "see help from myfai-chboot"
+    exit 0
+    ;;
+  -S)
+    fai_action=sysinfo
+    fai_action_arg=S
+    fai_reboot_arg=
+    shift
+    ;;
 esac
 
 [[ $EUID == 0 ]] || exec sudo "${BASH_SOURCE}" "$@"
 
 e() {
-    echo "$*"
-    if ! "$@"; then
-        echo "$0: error: exit code $? from: $*"
-        exit 1
-    fi
+  echo "$*"
+  if ! "$@"; then
+    echo "$0: error: exit code $? from: $*"
+    exit 1
+  fi
 }
 
 host=$1
 
-type -t host &>/dev/null || apt-get -y install dnsutils
-gateway_if=$(ip route | sed -rn 's/^default via \S+ dev (\S+) .*/\1/p')
-if [[ ! $gateway_if ]]; then
-    echo "$0: failed to find gateway interface"
-    exit 1
-fi
 # assuming ipv4, or else we might need to deal with multiple addresses
 # in an ipv4 + ipv6 network.
-network=$(ip -4 -o a show dev $gateway_if | sed -rn '/scope.*global/s/^(\S+\s+){3}(\S+)\s.*/\2/p')
-if [[ ! $network ]]; then
-    echo "$0: failed to find network"
-    exit 1
+my_ip=$(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: $my_ip"
+  exit 1
 fi
-my_ip=${network%/*}
+
 if [[ $host == default ]]; then
-    ip=$network
+  ip='*'
 elif [[ $host == [0-9]*.[0-9]*.[0-9]*.[0-9]* ]]; then
-    ip=$host
+  ip=$host/32
 else
-    ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q')/32
-fi
-
+  type -t host &>/dev/null || apt-get -y install dnsutils
+  ip=$(host $host | sed -rn 's/^\S+ has address //p;T;q')/32
+  if [[ ! $ip || $ip =~ [[:space:]] ]]; then
+    echo "$0: error: failed to get \$my_ip, got: $my_ip"
+    exit 1
+  fi
 
-# alternate way of getting my ip
-#gateway_ip=$(ip route | sed -rn 's/^default via (\S+) .*/\1/p')
-#my_ip=$(host faiserver $gateway_ip | sed -rn 's/^\S+ has address //p;T;q')
+fi
 
 if modprobe nfsd &>/dev/null; then
-    std_arg="-u nfs://faiserver/srv/fai/config"
-    root_arg="$my_ip:/srv/fai/nfsroot"
-    # fai-setup without -e sets the ip to the local_ip/local_network, eg 192.168.1.3/24
-    # I restrict it to one ip as simple but imperfect access control.
+  std_arg="-u nfs://faiserver/srv/fai/config"
+  # nfsv4 wont do rw with overlayfs yet
+  # https://lists.uni-koeln.de/pipermail/linux-fai/2017-March/011641.html
+  root_arg="$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)
 /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
+  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
@@ -82,7 +87,7 @@ fi
 
 rm -f /srv/tftp/fai/pxelinux.cfg/*
 if [[ ! $1 ]]; then
-    exit 0
+  exit 0
 fi
 
 
@@ -91,17 +96,21 @@ fi
 e fai-chboot -${fai_action_arg}v $std_arg default # set it to default to get a val out of it next
 kernel=$(fai-chboot -L '^default$' | awk '{print $3}')
 default_k_args=$(fai-chboot -L '^default$' | \
-                     sed -r "s/^(\S+\s+){3}(.*)/\2/")
+                   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=()
 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
+  case $arg in
+    # default root arg is /srv/fai/nfsroot
+    root=*) k_args+=(root=$root_arg) ;;
+    *) k_args+=($arg) ;;
+  esac
 done
 rm -f /srv/tftp/fai/pxelinux.cfg/*
 e fai-chboot -k "${k_args[*]}" -v -f verbose,sshd,createvt$fai_reboot_arg $std_arg $kernel "$host"
+
+# 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