X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=pxe-server;h=574a896f05ea3e19bb73590655f5b8e816772252;hb=c8bd51084bc4d90b9653d521e7cb05e17e417d97;hp=f53bdef0f5f35dd054519a06eac5c8b16be24964;hpb=4c0b3d508093cd1561f6ae887f154f06383b67d3;p=automated-distro-installer

diff --git a/pxe-server b/pxe-server
index f53bdef..574a896 100755
--- a/pxe-server
+++ b/pxe-server
@@ -1,44 +1,115 @@
-#!/bin/bash -x
+#!/bin/bash
 
 # Setup dhcp server to point to tftp server,
 # and depending on the type, setup the tftp server.
 
 # usage: $0 TYPE
-# default distro is the base debian/fedora type. others are fai &  arch
+# default distro is the base debian/fedora type. others are fai & arch.
+# for no pxe server, use a no-op like : or true.
 
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
-if [[ ! $1 ]]; then
+
+usage() {
+    cat <<EOF
+Usage: ${0##*/} [OPTIONS] TYPE [HOST]
+One line description
+
+TYPE is one of arch, plain, fai, or : for no pxe server.
+HOST makes the pxe server only for that specific host
+
+-h|--help  Print help and exit
+--         Subsequent arguments are never treated as options
+-p         Persist. Otherwise, wait for 2 dhcp acks then remove.
+EOF
+    exit $1
+}
+
+##### begin command line parsing ########
+
+persist=false
+args=()
+redep=false
+while [[ $1 ]]; do
+    case $1 in
+        --) shift; break ;;
+        -h|--help) usage ;;
+        -r) redep=true; shift ;;
+        -p) persist=true; shift ;;
+        *) args+=("$1"); shift ;;
+    esac
+done
+args+=("$@")
+
+
+read type host <<<"${args[@]}"
+
+if [[ ! $type ]]; then
     echo "$0: error: exptected 1 argument of type"
+    usage 1
 fi
-action=$1
+
+if [[ $host ]]; then
+    host_tag="tag:$host,"
+fi
+
+case $type in
+    :|true) persist=true ;;
+esac
+
+##### end command line parsing ########
+
+sv() {
+    echo "$@"
+    "$@"
+}
 
 arch() {
-    plain-tftp
-    cat <<'EOF'
+    cat <<EOF
 dhcp-option-force=209,boot/syslinux/archiso.cfg
 dhcp-option-force=210,/arch/
-dhcp-boot=/arch/boot/syslinux/lpxelinux.0
+dhcp-boot=${host_tag}/arch/boot/syslinux/lpxelinux.0
 EOF
 }
 
-plain-tftp() {
+plain() {
     # if arch was used before, this additionally needs
     # the tftp link in /mnt/usb to be changed.
-    cat <<'EOF'
-enable-tftp
-tftp-root=/mnt/usb/tftpboot
-dhcp-boot=pxelinux.0
+    cat <<EOF
+dhcp-boot=${host_tag}pxelinux.0
 EOF
 }
 
 fai() {
-    cat <<'EOF'
-dhcp-boot=fai/pxelinux.0,faiserver.lan,faiserver.lan
+    cat <<EOF
+$set_host_tag
+dhcp-boot=${host_tag}fai/pxelinux.0,faiserver.lan,faiserver.lan
 EOF
 }
 
+echo "setting config type: $type"
+$type | ssh wrt "cedit pxe-server /etc/dnsmasq.conf || /etc/init.d/dnsmasq restart #
+if [[ $type == arch ]]; then arch-pxe-mount; fi"
+
 
-$action | ssh wrt "cedit pxe-server /etc/dnsmasq.conf || /etc/init.d/dnsmasq restart
-if [[ $action == arch ]]; then arch-pxe-mount; fi"
+if $redep && [[ $type == fai ]]; then
+    fai-redep
+fi
+if ! $persist; then
+    echo "waiting for 2 dhcp acks then disabling pxe"
+    if [[ $host ]]; then
+        host_regex=" $host"
+    fi
+    regex=".*DHCPACK.*$host_regex$"
+    i=0
+    tmp=$(mktemp)
+    while (( i != 2 )) && read line; do
+        if [[ $line =~ $regex ]]; then
+            i=$((i+1))
+            echo $line
+        fi
+    done < <(ssh wrt logread -f)
+    sv sleep 5
+    sv "$BASH_SOURCE" :
+fi