5e18777691
This change adds support in ramdisk element for recognising boot from virtual media cdrom and read the parameters from the configuration file in virtual media floppy. Change-Id: I28ca888b4ead4905f7141b38ed4b9a3614d00d26 Closes-Bug: #1321564
119 lines
3.5 KiB
Bash
Executable file
119 lines
3.5 KiB
Bash
Executable file
#!/bin/bash
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# Copyright (c) 2012 NTT DOCOMO, INC.
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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#
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# NOTE(bnemec): We don't want this script to exit on failures because if init
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# dies then we get a kernel panic on ramdisk boot.
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# dib-lint: disable=sete setu setpipefail
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echo "init"
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source /init-func
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PATH=/sbin:/bin:/usr/bin:/usr/sbin
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export PATH
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mkdir -p /proc /sys /dev /boot /etc /mnt /lib/modules
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mount -t proc proc /proc
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FIRST_ERR_MSG=
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mount -t sysfs none /sys
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UDEVD=
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if [ -x "/bin/systemd-udevd" ]; then
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UDEVD="systemd-udevd"
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else
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UDEVD="udevd"
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fi
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# udev versions 176 and newer require a different on-disk setup
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UDEVD_VERSION=$(udevadm --version)
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if [ "$UDEVD_VERSION" != "" -a $UDEVD_VERSION -gt 175 ]; then
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echo "Using new-style udevd setup"
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mount -t devtmpfs none /dev
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mkdir -p /run
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mount -t tmpfs -o "nosuid,size=20%,mode=0755" tmpfs /run
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mkdir -p /run/{lock,udev}
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else
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echo "Using old-style udevd setup"
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mount -t tmpfs none /dev
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ln -sf /proc/self/fd /dev/fd
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mknod /dev/null c 1 3
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mknod /dev/zero c 1 5
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mknod /dev/random c 1 8
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mknod /dev/urandom c 1 9
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mknod /dev/tty0 c 4 0
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mknod /dev/tty1 c 4 1
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mknod /dev/tty2 c 4 2
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mknod /dev/tty3 c 4 3
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mknod /dev/tty4 c 4 4
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mknod /dev/tty5 c 4 5
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mknod /dev/tty6 c 4 6
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mknod /dev/tty7 c 4 7
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mknod /dev/tty8 c 4 8
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mknod /dev/tty9 c 4 9
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mknod /dev/tty c 5 0
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mknod -m 0600 /dev/console c 5 1
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mknod -m 0666 /dev/ptmx c 5 2
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mkdir -p /dev/.udev/data
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fi
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echo "starting syslogd"
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echo '*.* /initlog' > /etc/syslog.conf
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syslogd
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klogd
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echo "starting udevd"
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$UDEVD --daemon --resolve-names=never
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echo "load modules"
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load_modules_by_udev
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# To identify that the node has booted from virtual media, a kernel
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# command-line argument boot_method=vmedia is added in the iso bootloader
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# configuration file (like isolinux.cfg for isolinux).
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VMEDIA_BOOT_TAG="vmedia"
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BOOT_METHOD=$(get_kernel_parameter boot_method)
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if [ "$BOOT_METHOD" = "$VMEDIA_BOOT_TAG" ]; then
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# If the node booted from virtual media cdrom, the arguments for the
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# installation are provided in virtual media floppy. Find out
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# the virtual media device, mount it and get the information.
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configure_vmedia_dir
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fi
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readonly _BOOTIF_=$(get_kernel_parameter BOOTIF)
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readonly _IP_=$(get_kernel_parameter ip)
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readonly BOOT_MAC_ADDRESS=$(echo "$_BOOTIF_" | sed -e "s/-/:/g" | \
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sed -e "s/^01://g" | tr 'a-f' 'A-F')
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readonly BOOT_IP_ADDRESS=$(echo "$_IP_" | cut -d':' -f1)
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readonly BOOT_SERVER=$(echo "$_IP_" | cut -d':' -f2)
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readonly BOOT_NETMASK=$(echo "$_IP_" | cut -d':' -f4)
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readonly BOOT_GATEWAY=$(echo "$_IP_" | cut -d':' -f3)
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readonly DISK=$(get_kernel_parameter disk)
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readonly DEPLOYMENT_ID=$(get_kernel_parameter deployment_id)
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readonly DEPLOYMENT_KEY=$(get_kernel_parameter deployment_key)
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readonly ISCSI_TARGET_IQN=$(get_kernel_parameter iscsi_target_iqn)
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TROUBLESHOOT=$(get_kernel_parameter troubleshoot)
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