discover: Support creation of device-mapper devices
[petitboot] / utils / pb-udhcpc
index f15706431ee0e692a6a366ea2cc2131e7e10fdb0..7ed9035d5e9dad89f7880a0815e645320b8939d4 100644 (file)
@@ -10,20 +10,54 @@ PBOOT_USER_EVENT_SOCKET="/tmp/petitboot.ev"
 log="/var/log/petitboot/pb-udhcpc.log"
 
 pb_add () {
-       k_server_ip=${rootpath%%:*}
-       k_root_dir=${rootpath#*:}
+       # Looks like udhcpc will give us different names, depending if the
+       # parameter was in the header, or specified by options
+       [ -z "$bootfile" ] && bootfile=${boot_file}
 
-       [ ${k_server_ip} != ${rootpath} ] || k_server_ip=${serverid}
+       mac=$(cat /sys/class/net/$interface/address)
+       paramstr=''
 
-       echo -ne "add@/net/${interface}\0name=netboot\0image=tftp://${siaddr}${boot_file}\0args=root=/dev/nfs ip=any nfsroot=${k_server_ip}:${k_root_dir}\0" | pb-event
+       # Collect relevant DHCP response parameters into $paramstr
+       for name in pxeconffile pxepathprefix bootfile mac ip siaddr \
+               serverid tftp
+       do
+               value=$(eval "echo \${$name}")
+               [ -n "$value" ] || continue;
+
+               paramstr="$paramstr $name=$value"
+       done
+
+       pb-event dhcp@${interface} $paramstr
+
+       # Check if an explicit boot file present. If there is, add it as
+       # an option directly.
+       if [ -z "${bootfile}" ]
+       then
+               return;
+       fi
+
+       paramstr=""
+
+       # Collect relevant parameters to add an option to the bootfile
+       # parameter
+       for name in rootpath siaddr bootfile
+        do
+                value=$(eval "echo \${$name}")
+                [ -n "$value" ] || continue;
+
+                paramstr="$paramstr $name=$value"
+        done
+
+       pb-event add@${interface} name="netboot $interface ($bootfile)" \
+               $paramstr
 }
 
 pb_remove () {
-       echo -ne "remove@/net/${interface}\0name=netboot\0" | pb-event
+       pb-event remove@${interface}
 }
 
 case "$1" in
-bound | renew)
+bound)
        pb_add
        ;;
 deconfig)
@@ -33,6 +67,6 @@ deconfig)
        ;;
 esac
 
-echo "--- $1 ---" >> ${log}
+printf "--- $1 ---\n" >> ${log}
 set >> ${log}
-echo "---------------" >> ${log}
+printf "---------------\n" >> ${log}