Initial commit

recipes-diya/diya-overlay/diya-overlay.bb

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+DESCRIPTION = "Auto configuration deployment from media"
+DEPENDS = ""
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+SRC_URI += "file://confd \
+            file://expandfs.sh \
+            file://80_diya \
+            file://fs_resize \
+            file://boot-to-recovery"
+
+
+inherit update-rc.d useradd
+
+USERADD_PACKAGES = "${PN}"
+GROUPADD_PACKAGES = "${PN}"
+
+USERADD_PARAM:${PN} = "-u 1000 -d /home/diya -r -s /bin/sh diya"
+
+INITSCRIPT_NAME = "confd"
+INITSCRIPT_PARAMS = "start 30 S ."
+
+do_install() {
+    install -d ${D}/${sysconfdir}/init.d/
+    install -d ${DEPLOY_DIR_IMAGE}
+    install -m 0755 ${WORKDIR}/confd ${D}/${sysconfdir}/init.d/confd
+    install -d ${D}/sbin/
+    install -d ${D}/etc/default/volatiles
+	# install -m 0644 ${WORKDIR}/80_diya ${D}${sysconfdir}/default/volatiles
+    install -m 0755 ${WORKDIR}/expandfs.sh ${D}/sbin/expandfs.sh
+    install -m 0755 ${WORKDIR}/boot-to-recovery ${D}/sbin/boot-to-recovery
+    install -m 0755 ${WORKDIR}/fs_resize ${DEPLOY_DIR_IMAGE}/
+
+    cat << EOF > ${DEPLOY_DIR_IMAGE}/config.txt
+recovery=false
+recovery_image=recovery-${MACHINE}.cpio.gz
+console=both
+bootlogo=false
+EOF
+
+    install -d ${D}/var/etc
+    install -d ${D}/var/etc/upper
+    install -d ${D}/var/etc/work
+}

recipes-diya/diya-overlay/files/80_diya

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+# d root root 0755 /var/etc/upper none
+# d root root 0755 /var/etc/work none
+# l root root 0644 /etc/dropbear /var/etc/dropbear

recipes-diya/diya-overlay/files/boot-to-recovery

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+#! /bin/sh
+
+if [[ $(/usr/bin/id -u) -ne 0 ]]; then
+    echo "$0 shall be run as root"
+    exit 1
+fi
+
+. /etc/profile
+
+if [ ! -e /boot/config.txt ]; then
+    # prepare env for recovery boot
+    cat << EOF > /boot/config.txt
+recovery=true
+recovery_image=recovery-${MACHINE}.cpio.gz
+EOF
+else
+    sed -i 's/^.*recovery.*/recovery=true/g' /boot/config.txt || \
+                echo "recovery=true" >> /boot/config.txt
+fi
+echo "Rebooting to recovery mode"
+reboot

recipes-diya/diya-overlay/files/confd

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+#!/bin/sh
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+DESC="Auto deployment configuration from media"
+
+if [ -z "$DISK" ]; then
+    DISK="mmcblk1"
+fi
+
+case "$1" in
+    start)
+        echo -n "Start $DESC: "
+        # mount the overlay which is not auto mount by fstab
+        # this make /etc editable
+        mount -t overlay -o lowerdir=/etc,upperdir=/var/etc/upper,workdir=/var/etc/work overlay /etc
+        # for some reason the LCD backlight is turned off
+        # need to turn it on manually
+        if [ -f "/boot/fs_resize" ]; then
+            /sbin/expandfs.sh
+            touch /boot/home_partition_should_be_formated
+            rm /boot/fs_resize
+            reboot
+        fi
+        if [ -f "/boot/home_partition_should_be_formated" ]; then
+            echo "Trying to format the home partition"
+            umount /dev/${DISK}p4
+            yes | mkfs.ext4 /dev/${DISK}p4
+            mount /dev/${DISK}p4 /home
+            mkdir -p /home/diya
+            chown -R diya:diya /home/diya
+            rm /boot/home_partition_should_be_formated
+        fi
+        if [ -e "/boot/wpa_supplicant.conf" ];then
+            mv /boot/wpa_supplicant.conf /etc/network/
+            reboot
+        fi
+        # display information
+        # disable wifi power save
+        # /usr/sbin/iw wlan0 set power_save off
+    ;;
+    *)
+        N=/etc/init.d/$NAME
+        echo "Usage: $N {start}" >&2
+        exit 1
+    ;;
+esac
+
+exit 0

recipes-diya/diya-overlay/files/expandfs.sh

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+#! /bin/sh
+
+if [ -z "$DISK" ]; then
+    DISK="mmcblk1"
+fi
+
+if [ "$(/usr/bin/id -u)" -ne 0 ]; then
+    echo "$0 shall be run as root"
+    exit 1
+fi
+
+start_sector=$(cat /sys/block/$DISK/${DISK}p4/start)
+echo "Start sector is: $start_sector"
+
+if [ -z "$start_sector" ]; then
+	echo "Cannot find the start sector"
+	exit 1
+fi
+
+echo "Expanding the partition"
+sed -e 's/\s*\([\+0-9a-zA-Z]*\).*/\1/' << EOF | fdisk /dev/$DISK
+d # delete partition
+4 # number 4
+n # new partition
+p # primary partition
+4 # partition number 4
+$start_sector
+  # default - end of disk 
+p # print the in-memory partition table
+w # write the partition table
+q # and we're done
+EOF

recipes-diya/diya-overlay/files/fs_resize

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+resize the partition

recipes-diya/initramfs/files/confd

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+#!/bin/sh
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+DESC="Custom configuration"
+. /etc/profile
+
+case "$1" in
+    start)
+        echo -n "Start $DESC: "
+        sed -i 's/^.*recovery.*/recovery=false/g' /boot/config.txt || \
+                echo "recovery=false" >> /boot/config.txt
+    ;;
+
+    *)
+        N=/etc/init.d/$NAME
+        echo "Usage: $N {start}" >&2
+        exit 1
+    ;;
+esac
+
+exit 0

recipes-diya/initramfs/files/diya-update

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+#! /bin/sh
+
+. /etc/profile
+
+DEFAULT_ROOTFS_NAME="rootfs-$MACHINE.tar.bz2"
+DEFAULT_KERNEL_NAME="Image-$MACHINE.bin"
+DEFAULT_INITRAMFS_NAME="recovery-$MACHINE.cpio.gz"
+UPDATE_SRC_PATH="/home/diya/.update"
+ROOTFS_DEV="/dev/mmcblk1p2"
+SUPPORTED_COMMAND="rootfs kernel initramfs all"
+TMP_MOUNT="/tmp/rootfs"
+
+
+rootfs()
+{
+    filename=$1
+    if [ -z "$filename" ]; then
+        filename="$DEFAULT_ROOTFS_NAME"
+    fi
+    path="$UPDATE_SRC_PATH/$filename"
+    backup_file="$UPDATE_SRC_PATH/rootfs-backup.img"
+    echo "Checking rootfs at: $path"
+    if [ ! -e "$path" ]; then
+        echo "Error: rootfs file not found"
+        return 1
+    fi
+    # backup the rootfs file
+    echo "Backing up the current rootfs"
+    if ! dd if=$ROOTFS_DEV of=$backup_file; then
+        echo "Error: unable to backup current rootfs"
+        return 1
+    fi
+
+    echo "Format rootfs partition"
+    if ! mkfs.ext4 -F $ROOTFS_DEV; then
+        echo "Error: Unable to format rootfs partition. Restore and quit"
+        dd if=$backup_file of=$ROOTFS_DEV
+        return 1
+    fi
+    mkdir -p $TMP_MOUNT
+    echo "Mount rootfs partition to $TMP_MOUNT"
+    if ! mount $ROOTFS_DEV $TMP_MOUNT; then
+        echo "Error: Unable to mount rootfs partition. Restore and quit"
+        dd if=$backup_file of=$ROOTFS_DEV
+        return 1
+    fi
+    echo "Installing new rootfs"
+    if ! tar -xpvf "$path" -C $TMP_MOUNT; then
+        echo "Error: unable to install new rootfs. Restore and quit"
+        umount $TMP_MOUNT
+        dd if=$backup_file of=$ROOTFS_DEV
+        return 1
+    fi
+    echo "Patch /etc/fstab"
+    cat << EOF >> $TMP_MOUNT/etc/fstab
+
+/dev/mmcblk1p1  /boot   vfat    defaults        0       0
+/dev/mmcblk1p3  /var/etc        ext4    defaults        0       0
+/dev/mmcblk1p4  /home   ext4    defaults        0       0
+
+EOF
+    sync
+    echo "Unmount the rootfs partition"
+    umount $TMP_MOUNT
+    echo "Done"
+    return 0
+}
+
+kernel()
+{
+    filename=$1
+    if [ -z "$filename" ]; then
+        filename="$DEFAULT_KERNEL_NAME"
+    fi
+    path="$UPDATE_SRC_PATH/$filename"
+    echo "Checking kernel at: $path"
+    if [ ! -e "$path" ]; then
+        echo "Error: kernel file not found"
+        return 1
+    fi
+    echo "Update kernel"
+    cp -v "$path" /boot/kernel8.img
+    cd /boot
+    sync
+    echo "Done"
+    return 0
+}
+
+initramfs()
+{
+    filename=$1
+    if [ -z "$filename" ]; then
+        filename="$DEFAULT_INITRAMFS_NAME"
+    fi
+    path="$UPDATE_SRC_PATH/$filename"
+    echo "Checking initramfs at: $path"
+    if [ ! -e "$path" ]; then
+        echo "Error: initramfs file not found"
+        return 1
+    fi
+    echo "Update recovery intramfs"
+    cp -v "$path" /boot/$DEFAULT_INITRAMFS_NAME
+    cd /boot
+    sync
+    echo "Done"
+    return 0
+}
+
+command_valid() {
+    VALUE=$1
+    echo $SUPPORTED_COMMAND | tr " " '\n' | grep -F -q -x "$VALUE"
+}
+
+
+name=$(basename $0)
+cmd=${name#diya-update-}
+file="$1"
+
+if ! command_valid "$cmd"; then
+    cmd="$1"
+    file="$2"
+fi
+
+case "$cmd" in
+    rootfs)
+        rootfs $file
+    ;;
+    kernel)
+        kernel $file
+    ;;
+    initramfs)
+        initramfs $file
+    ;;
+    all)
+        rootfs && kernel && initramfs
+    ;;
+    *)
+cat << EOF
+Usage: $name <command> [file]
+    commands:
+        - rootfs: update rootfs
+        - kernel: update kernel image
+        - initramfs: update recovery initramfs
+EOF
+    exit 1
+    ;;
+esac

recipes-diya/initramfs/files/init

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+#!/bin/sh
+# Copyright (C) 2011 O.S. Systems Software LTDA.
+# Licensed on MIT
+#
+# Provides the API to be used by the initramfs modules
+#
+# Modules need to provide the following functions:
+#
+# <module>_enabled : check if the module ought to run (return 1 to skip)
+# <module>_run     : do what is need
+#
+# Boot parameters are available on environment in the as:
+#
+# 'foo=value' as 'bootparam_foo=value'
+# 'foo' as 'bootparam_foo=true'
+# 'foo.bar[=value] as 'foo_bar=[value|true]'
+
+
+# Load kernel module
+load_kernel_module() {
+	if modprobe $1 >/dev/null 2>&1; then
+		info "Loaded module $1"
+	else
+		debug "Failed to load module $1"
+	fi
+}
+
+# Prints information
+msg() {
+	echo "$@" >/dev/console
+}
+
+# Prints information if verbose bootparam is used
+info() {
+	[ -n "$bootparam_verbose" ] && echo "$@" >/dev/console
+}
+
+# Prints information if debug bootparam is used
+debug() {
+	[ -n "$bootparam_debug" ] && echo "DEBUG: $@" >/dev/console
+}
+
+# Prints a message and start a endless loop
+fatal() {
+    echo $1 >/dev/console
+    echo >/dev/console
+
+    if [ -n "$bootparam_init_fatal_sh" ]; then
+        sh
+    else
+	while [ "true" ]; do
+		sleep 3600
+	done
+    fi
+}
+
+# Variables shared amoung modules
+EFI_DIR=/sys/firmware/efi  # place to store device firmware information
+
+# initialize /proc, /sys, /run/lock and /var/lock
+mkdir -p /proc /sys /run/lock /var/lock /var/run /home
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+
+if [ -d $EFI_DIR ];then
+	mount -t efivarfs none /sys/firmware/efi/efivars
+fi
+
+# populate bootparam environment
+for p in `cat /proc/cmdline`; do
+	if [ -n "$quoted" ]; then
+		value="$value $p"
+		if [ "`echo $p | sed -e 's/\"$//'`" != "$p" ]; then
+			eval "bootparam_${quoted}=${value}"
+			unset quoted
+		fi
+		continue
+	fi
+
+	opt=`echo $p | cut -d'=' -f1`
+	opt=`echo $opt | sed -e 'y/.-/__/'`
+	if [ "`echo $p | cut -d'=' -f1`" = "$p" ]; then
+		eval "bootparam_${opt}=true"
+	else
+		value="`echo $p | cut -d'=' -f2-`"
+		if [ "`echo $value | sed -e 's/^\"//'`" != "$value" ]; then
+			quoted=${opt}
+			continue
+		fi
+		eval "bootparam_${opt}=\"${value}\""
+	fi
+done
+
+# use /dev with devtmpfs
+if grep -q devtmpfs /proc/filesystems; then
+	mkdir -p /dev
+	mount -t devtmpfs devtmpfs /dev
+else
+	if [ ! -d /dev ]; then
+		fatal "ERROR: /dev doesn't exist and kernel doesn't has devtmpfs enabled."
+	fi
+fi
+# run init
+exec /sbin/init
+
+# Catch all
+fatal "ERROR: Initramfs failed to initialize the system."

recipes-diya/initramfs/recovery-boot_0.1.bb

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+SUMMARY = "Modular initramfs system"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+RDEPENDS:${PN} += "${VIRTUAL-RUNTIME_base-utils} sysvinit"
+RRECOMMENDS:${PN} = "${VIRTUAL-RUNTIME_base-utils-syslog}"
+
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+
+PR = "r4"
+
+inherit allarch  update-rc.d
+
+SRC_URI = "file://init \
+           file://confd \
+           file://diya-update \
+          "
+
+S = "${WORKDIR}"
+
+INITSCRIPT_NAME = "confd"
+INITSCRIPT_PARAMS = "start 30 S ."
+
+do_install() {
+    install -d ${D}/etc/init.d
+    install -d ${D}/sbin
+    # base
+    install -m 0755 ${WORKDIR}/init ${D}/init
+    install -m 0755 ${WORKDIR}/confd ${D}/etc/init.d/confd
+cat << EOF >> ${D}/etc/profile
+export MACHINE=${MACHINE}
+EOF
+    install -m 0755 ${WORKDIR}/diya-update ${D}/sbin/
+    
+    # create symlink
+    ln -sf /sbin/diya-update ${D}/sbin/diya-update-rootfs
+    ln -sf /sbin/diya-update ${D}/sbin/diya-update-kernel
+    ln -sf /sbin/diya-update ${D}/sbin/diya-update-initramfs
+    ln -sf /sbin/diya-update ${D}/sbin/diya-update-all
+    
+    # Create device nodes expected by some kernels in initramfs
+    # before even executing /init.
+    install -d ${D}/dev
+    mknod -m 622 ${D}/dev/console c 5 1
+}
+
+
+FILES:${PN} = "/etc /init /dev /sbin"