scripts/boot/arguments.sh

   1 #!/bin/sh
   2
   3 #set -e
   4
   5 Arguments ()
   6 {
   7         for ARGUMENT in $(cat /proc/cmdline)
   8         do
   9                 case "${ARGUMENT}" in
  10                         read-only)
  11                                 READ_ONLY="true"
  12                                 ;;
  13
  14                         skipconfig)
  15                                 NOFASTBOOT="true"
  16                                 NOFSTAB="true"
  17                                 NONETWORKING="true"
  18
  19                                 export NOFASTBOOT NOFSTAB NONETWORKING
  20                                 ;;
  21
  22                         BOOTIF=*)
  23                                 BOOTIF="${x#BOOTIF=}"
  24                                 ;;
  25
  26                         debug)
  27                                 DEBUG="true"
  28                                 export DEBUG
  29
  30                                 set -x
  31                                 ;;
  32
  33                         dhcp)
  34                                 # Force dhcp even while netbooting
  35                                 # Use for debugging in case somebody works on fixing dhclient
  36                                 DHCP="true";
  37                                 export DHCP
  38                                 ;;
  39
  40                         nodhcp)
  41                                 DHCP=""
  42                                 export DHCP
  43                                 ;;
  44
  45                         ethdevice=*)
  46                                 DEVICE="${ARGUMENT#ethdevice=}"
  47                                 ETHDEVICE="${DEVICE}"
  48                                 export DEVICE ETHDEVICE
  49                                 ;;
  50
  51                         ethdevice-timeout=*)
  52                                 ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
  53                                 export ETHDEV_TIMEOUT
  54                                 ;;
  55
  56                         fetch=*)
  57                                 FETCH="${ARGUMENT#fetch=}"
  58                                 export FETCH
  59                                 ;;
  60
  61                         findiso=*)
  62                                 FINDISO="${ARGUMENT#findiso=}"
  63                                 export FINDISO
  64                                 ;;
  65
  66                         ftpfs=*)
  67                                 FTPFS="${ARGUMENT#ftpfs=}"
  68                                 export FTPFS
  69                                 ;;
  70
  71                         httpfs=*)
  72                                 HTTPFS="${ARGUMENT#httpfs=}"
  73                                 export HTTPFS
  74                                 ;;
  75
  76                         iscsi=*)
  77                                 ISCSI="${ARGUMENT#iscsi=}"
  78                                 #ip:port - separated by ;
  79                                 ISCSI_PORTAL="${ISCSI%;*}"
  80                                 if echo "${ISCSI_PORTAL}" | grep -q , ; then
  81                                         ISCSI_SERVER="${ISCSI_PORTAL%,*}"
  82                                         ISCSI_PORT="${ISCSI_PORTAL#*,}"
  83                                 fi
  84                                 #target name
  85                                 ISCSI_TARGET="${ISCSI#*;}"
  86                                 export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
  87                                 ;;
  88
  89                         isofrom=*|fromiso=*)
  90                                 FROMISO="${ARGUMENT#*=}"
  91                                 export FROMISO
  92                                 ;;
  93
  94                         ignore_uuid)
  95                                 IGNORE_UUID="true"
  96                                 export IGNORE_UUID
  97                                 ;;
  98
  99                         integrity-check)
 100                                 INTEGRITY_CHECK="true"
 101                                 export INTEGRITY_CHECK
 102                                 ;;
 103
 104                         ip=*)
 105                                 STATICIP="${ARGUMENT#ip=}"
 106
 107                                 if [ -z "${STATICIP}" ]
 108                                 then
 109                                         STATICIP="frommedia"
 110                                 fi
 111
 112                                 export STATICIP
 113                                 ;;
 114
 115                         live-media=*|bootfrom=*)
 116                                 LIVE_MEDIA="${ARGUMENT#*=}"
 117                                 export LIVE_MEDIA
 118                                 ;;
 119
 120                         live-media-encryption=*|encryption=*)
 121                                 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
 122                                 export LIVE_MEDIA_ENCRYPTION
 123                                 ;;
 124
 125                         live-media-offset=*)
 126                                 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
 127                                 export LIVE_MEDIA_OFFSET
 128                                 ;;
 129
 130                         live-media-path=*)
 131                                 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
 132                                 export LIVE_MEDIA_PATH
 133                                 ;;
 134
 135                         live-media-timeout=*)
 136                                 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
 137                                 export LIVE_MEDIA_TIMEOUT
 138                                 ;;
 139
 140                         module=*)
 141                                 MODULE="${ARGUMENT#module=}"
 142                                 export MODULE
 143                                 ;;
 144
 145                         netboot=*)
 146                                 NETBOOT="${ARGUMENT#netboot=}"
 147                                 export NETBOOT
 148                                 ;;
 149
 150                         nfsopts=*)
 151                                 NFSOPTS="${ARGUMENT#nfsopts=}"
 152                                 export NFSOPTS
 153                                 ;;
 154
 155                         nfsoverlay=*)
 156                                 NFS_COW="${ARGUMENT#nfsoverlay=}"
 157                                 export NFS_COW
 158                                 ;;
 159
 160                         nofastboot)
 161                                 NOFASTBOOT="true"
 162                                 export NOFASTBOOT
 163                                 ;;
 164
 165                         nofstab)
 166                                 NOFSTAB="true"
 167                                 export NOFSTAB
 168                                 ;;
 169
 170                         nonetworking)
 171                                 NONETWORKING="true"
 172                                 export NONETWORKING
 173                                 ;;
 174
 175                         ramdisk-size=*)
 176                                 ramdisk_size="${ARGUMENT#ramdisk-size=}"
 177                                 ;;
 178
 179                         swapon)
 180                                 SWAPON="true"
 181                                 export SWAPON
 182                                 ;;
 183
 184                         persistence)
 185                                 PERSISTENCE="true"
 186                                 export PERSISTENCE
 187                                 ;;
 188
 189                         persistence-encryption=*)
 190                                 PERSISTENCE_ENCRYPTION="${ARGUMENT#*=}"
 191                                 export PERSISTENCE_ENCRYPTION
 192                                 ;;
 193
 194                         persistence-media=*)
 195                                 PERSISTENCE_MEDIA="${ARGUMENT#*=}"
 196                                 export PERSISTENCE_MEDIA
 197                                 ;;
 198                         persistence-method=*)
 199                                 PERSISTENCE_METHOD="${ARGUMENT#*=}"
 200                                 export PERSISTENCE_METHOD
 201                                 ;;
 202
 203                         persistence-path=*)
 204                                 PERSISTENCE_PATH="${ARGUMENT#persistence-path=}"
 205                                 export PERSISTENCE_PATH
 206                                 ;;
 207                         persistence-read-only)
 208                                 PERSISTENCE_READONLY="true"
 209                                 export PERSISTENCE_READONLY
 210                                 ;;
 211
 212                         persistence-storage=*)
 213                                 PERSISTENCE_STORAGE="${ARGUMENT#persistence-storage=}"
 214                                 export PERSISTENCE_STORAGE
 215                                 ;;
 216
 217                         persistence-subtext=*)
 218                                 old_root_overlay_label="${old_root_overlay_label}-${ARGUMENT#persistence-subtext=}"
 219                                 old_home_overlay_label="${old_home_overlay_label}-${ARGUMENT#persistence-subtext=}"
 220                                 custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistence-subtext=}"
 221                                 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 222                                 old_root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 223                                 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 224                                 ;;
 225
 226                         nopersistence)
 227                                 NOPERSISTENCE="true"
 228                                 export NOPERSISTENCE
 229                                 ;;
 230
 231                         noprompt)
 232                                 NOPROMPT="true"
 233                                 export NOPROMPT
 234                                 ;;
 235
 236                         noprompt=*)
 237                                 NOPROMPT="${ARGUMENT#noprompt=}"
 238                                 export NOPROMPT
 239                                 ;;
 240
 241                         quickusbmodules)
 242                                 QUICKUSBMODULES="true"
 243                                 export QUICKUSBMODULES
 244                                 ;;
 245
 246                         showmounts)
 247                                 SHOWMOUNTS="true"
 248                                 export SHOWMOUNTS
 249                                 ;;
 250
 251                         silent)
 252                                 SILENT="true"
 253                                 export SILENT
 254                                 ;;
 255
 256                         todisk=*)
 257                                 TODISK="${ARGUMENT#todisk=}"
 258                                 export TODISK
 259                                 ;;
 260
 261                         toram)
 262                                 TORAM="true"
 263                                 export TORAM
 264                                 ;;
 265
 266                         toram=*)
 267                                 TORAM="true"
 268                                 MODULETORAM="${ARGUMENT#toram=}"
 269                                 export TORAM MODULETORAM
 270                                 ;;
 271
 272                         exposedroot)
 273                                 EXPOSED_ROOT="true"
 274                                 export EXPOSED_ROOT
 275                                 ;;
 276
 277                         plainroot)
 278                                 PLAIN_ROOT="true"
 279                                 export PLAIN_ROOT
 280                                 ;;
 281
 282                         skipunion)
 283                                 SKIP_UNION_MOUNTS="true"
 284                                 export SKIP_UNION_MOUNTS
 285                                 ;;
 286
 287                         root=*)
 288                                 ROOT="${ARGUMENT#root=}"
 289                                 export ROOT
 290                                 ;;
 291
 292                         union=*)
 293                                 UNIONTYPE="${ARGUMENT#union=}"
 294                                 export UNIONTYPE
 295                                 ;;
 296                 esac
 297         done
 298
 299         # sort of compatibility with netboot.h from linux docs
 300         if [ -z "${NETBOOT}" ]
 301         then
 302                 if [ "${ROOT}" = "/dev/nfs" ]
 303                 then
 304                         NETBOOT="nfs"
 305                         export NETBOOT
 306                 elif [ "${ROOT}" = "/dev/cifs" ]
 307                 then
 308                         NETBOOT="cifs"
 309                         export NETBOOT
 310                 fi
 311         fi
 312
 313         if [ -z "${MODULE}" ]
 314         then
 315                 MODULE="filesystem"
 316                 export MODULE
 317         fi
 318
 319         if [ -z "${UNIONTYPE}" ]
 320         then
 321                 UNIONTYPE="aufs"
 322                 export UNIONTYPE
 323         fi
 324
 325         if [ -z "${PERSISTENCE_ENCRYPTION}" ]
 326         then
 327                 PERSISTENCE_ENCRYPTION="none"
 328                 export PERSISTENCE_ENCRYPTION
 329         elif is_in_comma_sep_list luks ${PERSISTENCE_ENCRYPTION}
 330         then
 331                 if ! modprobe dm-crypt
 332                 then
 333                         log_warning_msg "Unable to load module dm-crypt"
 334                         PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
 335                         export PERSISTENCE_ENCRYPTION
 336                 fi
 337
 338                 if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
 339                 then
 340                         log_warning_msg "cryptsetup in unavailable"
 341                         PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
 342                         export PERSISTENCE_ENCRYPTION
 343                 fi
 344         fi
 345
 346         if [ -z "${PERSISTENCE_METHOD}" ]
 347         then
 348                 PERSISTENCE_METHOD="snapshot,overlay"
 349                 export PERSISTENCE_METHOD
 350         fi
 351
 352         if [ -z "${PERSISTENCE_STORAGE}" ]
 353         then
 354                 PERSISTENCE_STORAGE="filesystem,file"
 355                 export PERSISTENCE_STORAGE
 356         fi
 357 }