rootfs build updated

build_image.sh

@@ -1,28 +1,44 @@
 #!/bin/sh
 
+#--------------------------------- Logo ---------------------------------------------------------------------
+# #######   ##   ##      ##   #######   ##        #######   |  ##        ##   ##    ##   ##    ##   ##  ##  |
+# ##        ##   ####  ####   ##   ##   ##        ##        |  ##        ##   ##    ##   ##    ##   ##  ##  |
+# ##             ##  ##  ##   ##   ##   ##        ##        |  ##             ##    ##   ##    ##   ##  ##  |
+# ##        ##   ##  ##  ##   ##   ##   ##        ##        |  ##        ##   ###   ##   ##    ##     ##    |
+# #######   ##   ##      ##   #######   ##        #######   |  ##        ##   ####  ##   ##    ##     ##    |
+#      ##   ##   ##      ##   ##        ##        ##        |  ##        ##   ##  ####   ##    ##     ##    |
+#      ##   ##   ##      ##   ##        ##        ##        |  ##        ##   ##   ###   ##    ##   ##  ##  |
+#      ##   ##   ##      ##   ##        ##        ##        |  ##        ##   ##    ##   ##    ##   ##  ##  |
+# #######   ##   ##      ##   ##        #######   #######   |  #######   ##   ##    ##   ########   ##  ##  |
+#------------------------------------------------------------------------------------------------------------
+
 # Script to build linux install media image
-version=0.0.1
+version=0.0.1 # script version
 # TolaMironcenko is licensed under MIT
 
+#--- import rolors ---
 . ./colors.sh
+#---------------------
+#--- import funcs ----
 . ./funcs.sh
+#---------------------
 
 #------------ config ------------------
-root=$(pwd)
+root=$(pwd)                                 # root build directory
-disk="sdz"
+disk="sdz"                                  # disk to write install image
-distro_name="Simple"
+distro_name="Simple"                        # distro name
-distro_desc="Simple linux distro"
+distro_desc="Simple linux distro"           # distro desctiption
-distro_codename="zero_zero_one"
+distro_codename="zero_zero_one"             # distro codename
-hyperv_support="false"
+hyperv_support="false"                      # hyperv support for kernel image
-out=$root/out
+out=$root/out                               # output directory
-build=$root/build
+build=$root/build                           # build directory
-kernel=""
+sourcesfilename=sources.txt                 # sources file for downloading
-busybox=""
+initramfsfile=$root/initramfs/initramfs.txt # file to created directories for initramfs
-sourcesfilename=sources.txt
+initramfspath=$build/initramfs              # initramfs build directory
-initramfsfile=$root/initramfs/initramfs.txt
+rootfsfile=$root/rootfs/rootfs.txt          # file to created directories for rootfs
-initramfspath=$build/initramfs
+rootfspath=$build/rootfs                    # rootfs build directory
-rootfsfile=$root/rootfs/rootfs.txt
+fulllogfile=/dev/null                       # file for full build logs
-rootfspath=$build/rootfs
+makeflags=-j16                              # makeflags
 #--------------------------------------
 
 #-------- check root ------------------
@@ -32,9 +48,10 @@ if [ $(id -u) -ne 0 ]; then
 fi
 #--------------------------------------
 
-mkdir $out
+mkdir $out &> $fulllogfile
-mkdir $root/.log
+mkdir $root/.log &> $fulllogfile
 
+#------------ Download needed sources from sources.txt ------------------
 download_sources() {
     printf "$UGREEN** Downloading sources\n$RESET"
     cat $sourcesfilename
@@ -42,16 +59,59 @@ download_sources() {
     wget --input-file=$sourcesfilename --continue --directory-prefix=$root/downloads
     check $? "Download sources"
 }
+#------------------------------------------------------------------------
 
+#--------------- Building Linux Kernel ---------------------
+kernel() {
+    printf "$UGREEN** Building Linux Kernel\n$RESET"
+    rm -r $build/kernel &> $fulllogfile
+    mkdir -p $build/kernel &> $fulllogfile
+    cd $build/kernel
+    printf "$UGREEN** Extracting Linux Kernel\n$RESET"
+    tar -xvf $root/downloads/linux-*.tar.xz  &> $fulllogfile
+    check $? "Extract Linux Kernel"
+    cd linux-*
+    printf "$UGREEN** Configuring Linux Kernel\n$RESET"
+    make defconfig  &> $fulllogfile
+    check $? "Configure Linux Kernel"
+    printf "$UGREEN** Building Linux Kernel\n$RESET"
+    make $makeflags  &> $fulllogfile
+    check $? "Build Linux Kernel"
+    ls -lh arch/x86/boot/bzImage
+} # kernel
+#-----------------------------------------------------------
+
+#----------- Build and Install kernel modules --------------
+kernel_modules() {
+    printf "$UGREEN** Building Linux Kernel modules\n$RESET"
+    cd $build/kernel/linux-*
+    make modules &> fulllogfile
+    check $? "Build Linux Kernel modules"
+    printf "$UGREEN** Installing Linux Kernel modules into rootfs path\n$RESET"
+    mkdir -pv $rootfspath/usr/lib &> fulllogfile
+    cd $rootfspath
+    ln -sv usr/lib lib &> $fulllogfile
+    cd $root/build/kernel/linux-*
+    make INSTALL_MOD_PATH=$rootfspath modules_install &> $fulllogfile
+    check $? "Install Linux Kernel modules"
+} # kernel_modules
+#-----------------------------------------------------------
+
+#------------------ Building initramfs.img ------------------------
 initramfs() {
     printf "$UGREEN** Building initramfs\n$RESET"
-    rm -r $initramfspath;
+
+#--------- Creating directories and files -------------------
+    rm -r $initramfspath &> $fulllogfile 
     mkdir -p $initramfspath;
     cd $initramfspath;
     mkdir -p $(cat $initramfsfile);
     cp $root/initramfs/init.in $initramfspath/init
     chmod 755 $initramfspath/init
-    rm -r $build/busybox
+#------------------------------------------------------------
+
+#------------ Building initramfs busybox and copy to initramfs directory --------------------
+    rm -r $build/busybox &> $fulllogfile
     mkdir -p $build/busybox
     cd $build/busybox
     tar -xjf $root/downloads/busybox-1.36.1.tar.bz2
@@ -63,28 +123,81 @@ initramfs() {
     make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- oldconfig &> $root/.log/busybox-configure.log
     check $? "Configure busybox all logs in .log"
     printf "$UGREEN** Building busybox\n$RESET"
-    make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- -j16 &> $root/.log/busybox-build.log
+    make CROSS_COMPILE=x86_64-buildroot-linux-uclibc- $makeflags &> $root/.log/busybox-build.log
     check $? "Build busybox all logs in .log"
     cp busybox $initramfspath/bin
     cd $initramfspath/bin
     for i in $(./busybox --list); do ln -s busybox $i; done
     cd ..
+#--------------------------------------------------------------------------------------------
+
+#--------------------- Creating initramfs.img image ------------
     find . | cpio -H newc -o | gzip > ../initramfs.img
     check $? "Build initramfs.img image"
     cd $root
-}
+#---------------------------------------------------------------
 
+} # initramfs
+#------------------------------------------------------------------
+
+#----------- Building rootfs ----------------------
 rootfs() {
-    rm -rv $rootfspath
+    printf "$UGREEN** Building rootfs\n$RESET"
-    mkdir -pv $rootfspath
+    rm -rv $rootfspath &> $fulllogfile
+    mkdir -pv $rootfspath &> $fulllogfile
     cd $rootfspath
-    mkdir -pv $(cat $rootfsfile)
+    mkdir -pv $(cat $rootfsfile) &> $fulllogfile
-}
+    ln -sv usr/lib lib &> $fulllogfile
+    ln -sv usr/lib lib64 &> $fulllogfile
+    ln -sv usr/bin bin &> $fulllogfile
+    ln -sv usr/bin sbin &> $fulllogfile
+    cd usr
+    ln -sv bin sbin &> $fulllogfile
+    ln -sv lib lib64 &> $fulllogfile
+    cp -rv $root/rootfs/etc/* $rootfspath/etc/ &> $fulllogfile
+    cp -rv $root/rootfs/usr/* $rootfspath/usr/ &> $fulllogfile
 
+    rm -rv $build/busybox &> $fulllogfile
+    mkdir -v $build/busybox &> $fulllogfile
+    cd $build/busybox
+    tar -xvjf $root/downloads/busybox-*.tar.bz2 &> $fulllogfile
+    cd busybox-*
+    cp -v $root/busybox/busybox-rootfs-config .config
+    printf "$UGREEN** Configuring busybox\n$RESET"
+    make oldconfig &> $root/.log/busybox-configure.log
+    check $? "Configure busybox all logs in .log"
+    printf "$UGREEN** Building busybox\n$RESET"
+    make $makeflags &> $root/.log/busybox-build.log
+    check $? "Build busybox all logs in .log"
+    cp -v busybox $rootfspath/usr/bin
+    cd $rootfspath/usr/bin
+    for i in $(./busybox --list); do ln -s busybox $i; done
+
+    chmod 640 $rootfspath/etc/shadow $rootfspath/etc/inittab
+    chmod 755 $rootfspath/etc/init.d/* $rootfspath/usr/share/udhcpc/default.script
+    chmod 644 $rootfspath/etc/{passwd,group,hostname,hosts,fstab,shells,issue} $rootfspath/etc/network/interfaces
+
+    check $? "Build rootfs"
+} # rootfs
+#--------------------------------------------------
+
+#---------- Cleaning build and out directory ---------
 clean() {
-    rm -rv $out
+    printf "$UGREEN** Cleaning build and out directories\n$RESET"
-    rm -rv $build
+    rm -rv $out &> $fulllogfile
-}
+    rm -rv $build &> $fulllogfile
+    printf "$UGREEN** SUCCESS: Cleaning build and out directories\n$RESET"
+} # clean
+#-----------------------------------------------------
 
+if [ "$1" = "clean" ]; then
+    clean
+    exit 0
+fi
+
+clean
 # download_sources
-initramfs
+# kernel
+# kernel_modules
+# initramfs
+rootfs

colors.sh

@@ -1,9 +1,10 @@
 #!/bin/sh
 
-#reset
+#--- reset colors ---
 RESET="\033[0m"
+#--------------------
 
-#regularcolrs
+#--------- regularcolrs ---------
 GREEN="\033[0;32m"       #GREEN
 BLUE="\033[0;34m"        #BLUE
 YELLOW="\033[1;33m"      #YELLOW
@@ -12,8 +13,9 @@ BLACK="\033[0;30m"       #BLACK
 PURPLE="\033[0;35m"      #PURPLE
 CYAN="\033[0;36m"        #CYAN
 WHITE="\033[0;37m"       #WHITE
+#--------------------------------
 
-#bold
+#-------- bold ------------------
 BBLACK="\033[1;30m"      #BLACK
 BRED="\033[1;31m"        #RED
 BGREEN="\033[1;32m"      #GREEN
@@ -22,8 +24,9 @@ BBLUE="\033[1;34m"       #BLUE
 BPURPLE="\033[1;35m"     #PURPLE
 BCYAN="\033[1;36m"       #CYAN
 BWHITE="\033[1;37m"      #WHITE
+#--------------------------------
 
-#Underline
+#-------- Underline -------------
 UBLACK="\033[4;30m"      #BLACK
 URED="\033[4;31m"        #RED
 UGREEN="\033[4;32m"      #GREEN
@@ -32,8 +35,9 @@ UBLUE="\033[4;34m"       #BLUE
 UPURPLE="\033[4;35m"     #PURPLE
 UCYAN="\033[4;36m"       #CYAN
 UWHITE="\033[4;37m"      #WHITE
+#--------------------------------
 
-#Background
+#--------- Background -----------
 ON_BLACK="\033[40m"      #BLACK
 ON_RED="\033[41m"        #RED
 ON_GREEN="\033[42m"      #GREEN
@@ -42,8 +46,9 @@ ON_BLUE="\033[44m"       #BLUE
 ON_PURPLE="\033[45m"     #PURPLE
 ON_CYAN="\033[46m"       #CYAN
 ON_WHITE="\033[47m"      #WHITE
+#--------------------------------
 
-#HighIntensity
+#------ HighIntensity -----------
 IBLACK="\033[0;90m"      #BLACK
 IRED="\033[0;91m"        #RED
 IGREEN="\033[0;92m"      #GREEN
@@ -52,8 +57,9 @@ IBLUE="\033[0;94m"       #BLUE
 IPURPLE="\033[0;95m"     #PURPLE
 ICYAN="\033[0;96m"       #CYAN
 IWHITE="\033[0;97m"      #WHITE
+#--------------------------------
 
-#BoldHighIntensity
+#------ BoldHighIntensity -------
 BIBLACK="\033[1;90m"     #BLACK
 BIRED="\033[1;91m"       #RED
 BIGREEN="\033[1;92m"     #GREEN
@@ -62,8 +68,9 @@ BIBLUE="\033[1;94m"      #BLUE
 BIPURPLE="\033[1;95m"    #PURPLE
 BICYAN="\033[1;96m"      #CYAN
 BIWHITE="\033[1;97m"     #WHITE
+#--------------------------------
 
-#HighIntensitybackgrounds
+#--- HighIntensitybackgrounds ---
 ON_IBLACK="\033[0;100m"  #BLACK
 ON_IRED="\033[0;101m"    #RED
 ON_IGREEN="\033[0;102m"  #GREEN
@@ -72,3 +79,4 @@ ON_IBLUE="\033[0;104m"   #BLUE
 ON_IPURPLE="\033[0;105m" #PURPLE
 ON_ICYAN="\033[0;106m"   #CYAN
 ON_IWHITE="\033[0;107m"  #WHITE
+#--------------------------------

funcs.sh

@@ -1,7 +1,10 @@
 #!/bin/sh
 
+#--- Import colors ---
 . ./colors.sh
+#---------------------
 
+#------- Check errors func -----------------
 check() {
     if [ $1 -ne 0 ]; then
         printf "$URED** ERROR: $2\n$RESET"
@@ -9,3 +12,4 @@ check() {
     fi
     printf "$UGREEN** SUCCESS: $2\n$RESET" 
 }
+#-------------------------------------------

rootfs/etc/fstab

@@ -0,0 +1 @@
+# disk mountpoint filesystem options 0 0/1

rootfs/etc/group

@@ -0,0 +1 @@
+root:x:0:root

rootfs/etc/hostname

@@ -0,0 +1 @@
+simple

rootfs/etc/hosts

@@ -0,0 +1,3 @@
+127.0.0.1 localhost
+::1 localhost
+127.0.1.1 simple.localdomain simple

rootfs/etc/init.d/colors.sh

@@ -0,0 +1,82 @@
+#!/bin/sh
+
+#--- reset colors ---
+RESET="\033[0m"
+#--------------------
+
+#--------- regularcolrs ---------
+GREEN="\033[0;32m"       #GREEN
+BLUE="\033[0;34m"        #BLUE
+YELLOW="\033[1;33m"      #YELLOW
+RED="\033[0;31m"         #RED
+BLACK="\033[0;30m"       #BLACK
+PURPLE="\033[0;35m"      #PURPLE
+CYAN="\033[0;36m"        #CYAN
+WHITE="\033[0;37m"       #WHITE
+#--------------------------------
+
+#-------- bold ------------------
+BBLACK="\033[1;30m"      #BLACK
+BRED="\033[1;31m"        #RED
+BGREEN="\033[1;32m"      #GREEN
+BYELLOW="\033[1;33m"     #YELLOW
+BBLUE="\033[1;34m"       #BLUE
+BPURPLE="\033[1;35m"     #PURPLE
+BCYAN="\033[1;36m"       #CYAN
+BWHITE="\033[1;37m"      #WHITE
+#--------------------------------
+
+#-------- Underline -------------
+UBLACK="\033[4;30m"      #BLACK
+URED="\033[4;31m"        #RED
+UGREEN="\033[4;32m"      #GREEN
+UYELLOW="\033[4;33m"     #YELLOW
+UBLUE="\033[4;34m"       #BLUE
+UPURPLE="\033[4;35m"     #PURPLE
+UCYAN="\033[4;36m"       #CYAN
+UWHITE="\033[4;37m"      #WHITE
+#--------------------------------
+
+#--------- Background -----------
+ON_BLACK="\033[40m"      #BLACK
+ON_RED="\033[41m"        #RED
+ON_GREEN="\033[42m"      #GREEN
+ON_YELLOW="\033[43m"     #YELLOW
+ON_BLUE="\033[44m"       #BLUE
+ON_PURPLE="\033[45m"     #PURPLE
+ON_CYAN="\033[46m"       #CYAN
+ON_WHITE="\033[47m"      #WHITE
+#--------------------------------
+
+#------ HighIntensity -----------
+IBLACK="\033[0;90m"      #BLACK
+IRED="\033[0;91m"        #RED
+IGREEN="\033[0;92m"      #GREEN
+IYELLOW="\033[0;93m"     #YELLOW
+IBLUE="\033[0;94m"       #BLUE
+IPURPLE="\033[0;95m"     #PURPLE
+ICYAN="\033[0;96m"       #CYAN
+IWHITE="\033[0;97m"      #WHITE
+#--------------------------------
+
+#------ BoldHighIntensity -------
+BIBLACK="\033[1;90m"     #BLACK
+BIRED="\033[1;91m"       #RED
+BIGREEN="\033[1;92m"     #GREEN
+BIYELLOW="\033[1;93m"    #YELLOW
+BIBLUE="\033[1;94m"      #BLUE
+BIPURPLE="\033[1;95m"    #PURPLE
+BICYAN="\033[1;96m"      #CYAN
+BIWHITE="\033[1;97m"     #WHITE
+#--------------------------------
+
+#--- HighIntensitybackgrounds ---
+ON_IBLACK="\033[0;100m"  #BLACK
+ON_IRED="\033[0;101m"    #RED
+ON_IGREEN="\033[0;102m"  #GREEN
+ON_IYELLOW="\033[0;103m" #YELLOW
+ON_IBLUE="\033[0;104m"   #BLUE
+ON_IPURPLE="\033[0;105m" #PURPLE
+ON_ICYAN="\033[0;106m"   #CYAN
+ON_IWHITE="\033[0;107m"  #WHITE
+#--------------------------------

rootfs/etc/init.d/init-funcs

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+#--- import colors ---
+. /etc/init.d/colors.sh
+#---------------------
+
+#---------------------- rc function to poweron or poweroff ------------
+rc() {
+    if [ -d /etc/rc.d ]  && [ $0 == "/etc/init.d/rcK" ]; then
+        for i in $(ls -r /etc/rc.d); do
+            /etc/rc.d/$i stop
+        done
+        return 1
+    fi
+    for i in /etc/rc.d/??*; do
+        [ ! -f "$i" ] && continue
+        case "$i" in
+            *.sh)
+                (
+                    trap - INT QUIT TSTP
+                    set start
+                    . $i
+                )
+                ;;
+            *)
+                $i start
+                ;;
+        esac
+    done
+    sleep 1
+    # clear
+    return 1
+}
+#----------------------------------------------------------------------
+
+#---------- check status function -----------
+check() {
+    if [ $1 -ne 0 ]; then
+        printf "$URED** ERROR: $2\n$RESET"
+        return
+    fi
+    printf "$UGREEN** SUCCESS: $2\n$RESET"
+}
+#--------------------------------------------

rootfs/etc/init.d/networking

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+. /etc/init.d/colors.sh
+
+case "$1" in
+    start)
+        printf "$UYELLOW Starting networking\n$RESET"
+        /sbin/ifup -a &> /dev/null
+        check $? "networking"
+        echo $! > /var/run/networking.pid
+        ;;
+    stop)
+        printf "$UYELLOW Stopping netowrking\n$RESET"
+        /sbin/ifdown -a
+        check $? "Stop networking"
+        rm /var/run/networking.pid
+        ;;
+    restart|reload)
+        $0 stop
+        $0 start
+        ;;
+    *)
+        echo "$0 init script usage: $0 {start|stop|restart|reload}"
+        return 1
+esac
+return $?

rootfs/etc/init.d/rcK

@@ -0,0 +1 @@
+rcS

rootfs/etc/init.d/rcS

@@ -0,0 +1,3 @@
+#!/bin/sh
+. /etc/init.d/init-funcs
+rc

rootfs/etc/inittab

@@ -0,0 +1,9 @@
+::sysinit:/etc/init.d/rcS
+
+::ctrlaltdel:/sbin/reboot
+::shutdown:/etc/init.d/rcK
+
+tty1::respawn:/sbin/getty 38400 tty1
+tty2::askfirst:/sbin/getty 38400 tty2
+tty3::askfirst:/sbin/getty 38400 tty3
+tty4::askfirst:/sbin/getty 38400 tty4

rootfs/etc/issue

@@ -0,0 +1 @@
+\h \r (\l)

rootfs/etc/network/interfaces

@@ -0,0 +1,4 @@
+auto lo
+iface lo inet loopback
+auto eth0
+iface eth0 inet dhcp

rootfs/etc/passwd

@@ -0,0 +1 @@
+root:x:0:0:root:/root:/bin/sh

rootfs/etc/shadow

@@ -0,0 +1 @@
+root:F.fHA5x2Q.xNY:19797::::::

rootfs/etc/shells

@@ -0,0 +1,2 @@
+/bin/sh
+/bin/ash

rootfs/usr/share/udhcpc/default.script

@@ -0,0 +1,64 @@
+#!/bin/sh
+
+. /etc/init.d/colors.sh
+
+[ -z "$1" ] && printf "$URED** ERROR: should be called from udhcpc\n$RESET" && exit 1
+RESOLF_CONF="/etc/resolv.conf"
+[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
+[ -n "$subnet" ] && NETMASK="netmask $subnet"
+# return 0 if root is mounted on a network filesystem
+root_if_nfs() {
+    grep -qe '^/dev/root.*\(nfs\|smbfs\|ncp\|coda\) .*' /proc/mounts
+}
+have_bin_ip=0
+if [ -x /bin/ip ]; then
+    have_bin_ip=1
+fi
+case "$1" in
+    deconfig)
+        if ! rootfs_is_nfs; then
+            if [ $have_bin_ip -eq 1 ]; then
+                ip a flush dev $interface
+                ip l set dev $interface up
+            else
+                /sbin/ifconfig $interface 0.0.0.0
+            fi
+        fi
+        ;;
+    renew|bound)
+        if [ $have_bin_ip -eq 1 ]; then
+            ip a add dev $interface local $ip/$mask $BROADCAST
+        else
+            /sbin/ifconfig $interface $ip $BROADCAST $NETMASK
+        fi
+
+        if [ -n "$router" ]; then
+            if ! root_if_nfs; then
+                if [ $have_bin_ip -eq 1 ]; then
+                    while ip r del default 2>/dev/null; do
+                        :
+                    done
+                else
+                    while route del default gw 0.0.0.0 dev $interface 2>/dev/null; do
+                        :
+                    done
+                fi
+            fi
+            metric=0
+            for i in $router; do
+                if [ $have_bin_ip -eq 1 ]; then
+                    ip r add default via $i metric $((metric++))
+                else
+                    route add default gw $i dev $interface metric $((metric++)) 2>/dev/null
+                fi
+            done
+        fi
+        echo -n > $RESOLF_CONF
+        [ -n "$domain" ] && echo search $domain >> $RESOLF_CONF
+        for i in $dns; do
+            echo adding dns $i
+            echo nameserver $i >> $RESOLF_CONF
+        done
+        ;;
+esac
+exit 0