Add netboot generator script

dracut/vmklive/59-mtd.rules

@@ -0,0 +1,8 @@
+SUBSYSTEM!="block", GOTO="ps_end"
+ACTION!="add|change", GOTO="ps_end"
+# Also don't process disks that are slated to be a multipath device
+ENV{DM_MULTIPATH_DEVICE_PATH}=="?*", GOTO="ps_end"
+
+KERNEL=="mtdblock[0-9]*", IMPORT BLKID
+
+LABEL="ps_end"

dracut/vmklive/61-mtd.rules

@@ -0,0 +1,20 @@
+SUBSYSTEM!="block", GOTO="pss_end"
+ACTION!="add|change", GOTO="pss_end"
+# Also don't process disks that are slated to be a multipath device
+ENV{DM_MULTIPATH_DEVICE_PATH}=="?*", GOTO="pss_end"
+
+ACTION=="change", KERNEL=="dm-[0-9]*", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}!="1", GOTO="do_pss"
+KERNEL=="mtdblock*", GOTO="do_pss"
+
+GOTO="pss_end"
+
+LABEL="do_pss"
+# by-path (parent device path)
+ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="", DEVPATH!="*/virtual/*", IMPORT PATH_ID
+ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}"
+ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
+
+# by-label/by-uuid links (filesystem metadata)
+ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
+ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
+LABEL="pss_end"

dracut/vmklive/adduser.sh

@@ -0,0 +1,56 @@
+#!/bin/sh -x
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
+
+echo void-live > ${NEWROOT}/etc/hostname
+
+AUTOLOGIN=$(getarg live.autologin)
+USERNAME=$(getarg live.user)
+USERSHELL=$(getarg live.shell)
+
+[ -z "$USERNAME" ] && USERNAME=anon
+[ -x $NEWROOT/bin/bash -a -z "$USERSHELL" ] && USERSHELL=/bin/bash
+[ -z "$USERSHELL" ] && USERSHELL=/bin/sh
+
+# Create /etc/default/live.conf to store USER.
+echo "USERNAME=$USERNAME" >> ${NEWROOT}/etc/default/live.conf
+chmod 644 ${NEWROOT}/etc/default/live.conf
+
+if ! grep -q ${USERSHELL} ${NEWROOT}/etc/shells ; then
+    echo ${USERSHELL} >> ${NEWROOT}/etc/shells
+fi
+
+# Create new user and remove password. We'll use autologin by default.
+chroot ${NEWROOT} useradd -m -c $USERNAME -G audio,video,wheel -s $USERSHELL $USERNAME
+chroot ${NEWROOT} passwd -d $USERNAME >/dev/null 2>&1
+
+# Setup default root/user password (voidlinux).
+chroot ${NEWROOT} sh -c 'echo "root:voidlinux" | chpasswd -c SHA512'
+chroot ${NEWROOT} sh -c "echo "$USERNAME:voidlinux" | chpasswd -c SHA512"
+
+# Enable sudo permission by default.
+if [ -f ${NEWROOT}/etc/sudoers ]; then
+    echo "${USERNAME} ALL=(ALL) NOPASSWD: ALL" >> ${NEWROOT}/etc/sudoers
+fi
+
+if [ -d ${NEWROOT}/etc/polkit-1 ]; then
+    # If polkit is installed allow users in the wheel group to run anything.
+    cat > ${NEWROOT}/etc/polkit-1/rules.d/void-live.rules <<_EOF
+polkit.addAdminRule(function(action, subject) {
+    return ["unix-group:wheel"];
+});
+
+polkit.addRule(function(action, subject) {
+    if (subject.isInGroup("wheel")) {
+        return polkit.Result.YES;
+    }
+});
+_EOF
+    chroot ${NEWROOT} chown polkitd:polkitd /etc/polkit-1/rules.d/void-live.rules
+fi
+
+if [ -n "$AUTOLOGIN" ]; then
+        sed -i "s,GETTY_ARGS=\"--noclear\",GETTY_ARGS=\"--noclear -a $USERNAME\",g" ${NEWROOT}/etc/sv/agetty-tty1/run
+fi

dracut/vmklive/copy-initramfs.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+# Copy the initramfs back to the new rootfs for proper shutdown.
+KVER=$(uname -r)
+if [ -x /usr/bin/systemctl ]; then
+    cp /run/initramfs/live/boot/initrd $NEWROOT/boot/initramfs-${KVER}.img
+fi

dracut/vmklive/display-manager-autologin.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
+
+USERNAME=$(getarg live.user)
+[ -z "$USERNAME" ] && USERNAME=anon
+
+# Configure GDM autologin
+if [ -d ${NEWROOT}/etc/gdm ]; then
+    GDMCustomFile=${NEWROOT}/etc/gdm/custom.conf
+    AutologinParameters="AutomaticLoginEnable=true\nAutomaticLogin=$USERNAME"
+
+    # Prevent from updating if parameters already present (persistent usb key)
+    if ! `grep -qs 'AutomaticLoginEnable' $GDMCustomFile` ; then
+        if ! `grep -qs '\[daemon\]' $GDMCustomFile` ; then
+            echo '[daemon]' >> $GDMCustomFile
+        fi
+        sed -i "s/\[daemon\]/\[daemon\]\n$AutologinParameters/" $GDMCustomFile
+    fi
+fi
+
+# Configure KDM autologin
+if [ -e ${NEWROOT}/etc/kdm/kdmrc ]; then
+    sed -i -e "s|^\#\(AutoLoginEnable=\).*|\1|" ${NEWROOT}/etc/kdm/kdmrc
+    sed -i -e "s|^\#\(AutoLoginUser=\).*|\1$USERNAME|" ${NEWROOT}/etc/kdm/kdmrc
+fi
+
+# Configure lightdm autologin.
+if [ -r ${NEWROOT}/etc/lightdm.conf ]; then
+    sed -i -e "s|^\#\(default-user=\).*|\1$USERNAME|" \
+        ${NEWROOT}/etc/lightdm.conf
+    sed -i -e "s|^\#\(default-user-timeout=\).*|\10|" \
+        ${NEWROOT}/etc/lightdm.conf
+fi
+
+# Configure lxdm autologin.
+if [ -r ${NEWROOT}/etc/lxdm/lxdm.conf ]; then
+    sed -e "s,.*autologin.*=.*,autologin=$USERNAME," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    if [ -x ${NEWROOT}/usr/bin/enlightenment_start ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/enlightenment_start," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/startxfce4 ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/startxfce4," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/mate-session ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/mate-session," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/cinnamon-session ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/cinnamon-session," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/i3 ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/i3," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/startlxde ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/startlxde," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    elif [ -x ${NEWROOT}/usr/bin/startlxqt ]; then
+        sed -e "s,.*session.*=.*,session=/usr/bin/startlxqt," -i ${NEWROOT}/etc/lxdm/lxdm.conf
+    fi
+fi

dracut/vmklive/locale.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
+
+LOCALE=$(getarg locale.LANG)
+[ -z "$LOCALE" ] && LOCALE="en_US.UTF-8"
+
+# also enable this locale in newroot.
+echo "LANG=$LOCALE" > $NEWROOT/etc/locale.conf
+echo "LC_COLLATE=C" >> $NEWROOT/etc/locale.conf
+
+# set keymap too.
+KEYMAP=$(getarg vconsole.keymap)
+[ -z "$KEYMAP" ] && KEYMAP="us"
+
+if [ -f ${NEWROOT}/etc/vconsole.conf ]; then
+    sed -e "s,^KEYMAP=.*,KEYMAP=$KEYMAP," -i $NEWROOT/etc/vconsole.conf
+elif [ -f ${NEWROOT}/etc/rc.conf ]; then
+    sed -e "s,^#KEYMAP=.*,KEYMAP=$KEYMAP," -i $NEWROOT/etc/rc.conf
+fi

dracut/vmklive/module-setup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+check() {
+    return 255
+}
+
+depends() {
+    echo dmsquash-live
+}
+
+install() {
+    inst /usr/bin/chroot
+    inst /usr/bin/chmod
+    inst /usr/bin/sed
+
+    if [ -e /usr/bin/memdiskfind ]; then
+        inst /usr/bin/memdiskfind
+        instmods mtdblock phram
+        inst_rules "$moddir/59-mtd.rules" "$moddir/61-mtd.rules"
+        prepare_udev_rules 59-mtd.rules 61-mtd.rules
+        inst_hook pre-udev 01 "$moddir/mtd.sh"
+    fi
+
+    inst_hook pre-pivot 01 "$moddir/adduser.sh"
+    inst_hook pre-pivot 02 "$moddir/display-manager-autologin.sh"
+    inst_hook pre-pivot 03 "$moddir/copy-initramfs.sh"
+    inst_hook pre-pivot 04 "$moddir/locale.sh"
+    inst_hook pre-pivot 05 "$moddir/services.sh"
+}

dracut/vmklive/mtd.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+MEMDISK=$(memdiskfind)
+if [ "$MEMDISK" ]; then
+	modprobe phram phram=memdisk,$MEMDISK
+	modprobe mtdblock
+	printf 'KERNEL=="mtdblock0", RUN+="/sbin/initqueue --settled --onetime --unique /sbin/dmsquash-live-root /dev/mtdblock0"\n' >> /etc/udev/rules.d/99-live-squash.rules
+fi

dracut/vmklive/services.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+
+type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
+
+SERVICEDIR=$NEWROOT/etc/sv
+SERVICES="$(getarg live.services)"
+
+for f in ${SERVICES}; do
+        ln -sf /etc/sv/$f $NEWROOT/etc/runit/runsvdir/default/
+done
+
+dhcpcd=1
+for f in connmand NetworkManager wicd; do
+    if [ -e $SERVICEDIR/$f ]; then
+        unset dhcpcd
+    fi
+done
+
+# Enable all services by default... with some exceptions.
+for f in $SERVICEDIR/*; do
+    _service=${f##*/}
+    case "${_service}" in
+        agetty-console|agetty-generic|agetty-serial|agetty-tty[SAU]*|sulogin|dhcpcd-*|iptables|ip6tables|wpa_supplicant|pulseaudio|lvmetad|dmeventd|mdadm) ;; # ignored
+        dhcpcd) [ -n "$dhcpcd" ] && ln -sf ${f##$NEWROOT} $NEWROOT/etc/runit/runsvdir/default/;;
+        *) ln -sf ${f##$NEWROOT} $NEWROOT/etc/runit/runsvdir/default/;;
+    esac
+done