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Adde Open JDK and ZLIB as overlay bundles. Updated the core components to the latest available versions.

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This commit is contained in:
Ivan Davidov 2017-09-23 16:53:00 +03:00
parent 9b25853063
commit 2e46c2fd28
10 changed files with 209 additions and 13 deletions
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11
README.md
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@ -20,18 +20,19 @@ This is a screenshot of the current development version of Minimal Linux Live:
![Minimal Linux Live](http://minimal.idzona.com/assets/img/minimal_linux_live.png)
## Current development state (29-Jan-2017)
## Current development state (23-Sep-2017)
* Linux kernel 4.4.44 (longterm)
* GNU C Library 2.24 (stable)
* BusyBox 1.26.2 (stable)
* Stable on default Ubuntu 16.04.1 installation (32-bit and 64-bit) with applied system updates.
* Linux kernel 4.13.3 (stable)
* GNU C Library 2.26 (stable)
* BusyBox 1.27.2 (stable)
* Stable on default Ubuntu 16.04 installation with applied system updates.
## Future improvements
* Add kernel modules and firmware.
* Reorganize and simplify the ISO image generation script.
* Allow individual overlay bundles to be downloaded and installed.
* Add more overlay bundles.
The above list is not fixed it may be updated at any time.

28
src/.config
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@ -11,7 +11,7 @@
#
# http://kernel.org
#
KERNEL_SOURCE_URL=http://kernel.org/pub/linux/kernel/v4.x/linux-4.12.4.tar.xz
KERNEL_SOURCE_URL=http://kernel.org/pub/linux/kernel/v4.x/linux-4.13.3.tar.xz
# You can find the latest GNU libc source bundles here:
#
@ -23,7 +23,7 @@ GLIBC_SOURCE_URL=http://ftp.gnu.org/gnu/glibc/glibc-2.26.tar.bz2
#
# http://busybox.net
#
BUSYBOX_SOURCE_URL=http://busybox.net/downloads/busybox-1.27.1.tar.bz2
BUSYBOX_SOURCE_URL=http://busybox.net/downloads/busybox-1.27.2.tar.bz2
# You can find the latest Syslinux source bundles here:
#
@ -57,7 +57,7 @@ DROPBEAR_SOURCE_URL=http://matt.ucc.asn.au/dropbear/releases/dropbear-2017.75.ta
#
# http://felix.apache.org
#
FELIX_SOURCE_URL=http://archive.apache.org/dist/felix/org.apache.felix.main.distribution-5.6.4.tar.gz
FELIX_SOURCE_URL=http://archive.apache.org/dist/felix/org.apache.felix.main.distribution-5.6.8.tar.gz
# You need to manually download Oracle's JRE or JDK and set the property with
# the absolute path to the downloaded archive. Example:
@ -65,7 +65,7 @@ FELIX_SOURCE_URL=http://archive.apache.org/dist/felix/org.apache.felix.main.dist
# JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u131-linux-x64.tar.gz
#
#JAVA_ARCHIVE=/absolute/path/to/java.archive.tar.gz
#JAVA_ARCHIVE=/home/ivan/Downloads/jdk-8u131-linux-x64.tar.gz
#JAVA_ARCHIVE=/home/ivan/Downloads/jdk-9_linux-x64_bin.tar.gz
# You can find the latest Lua source bundes here:
#
@ -86,6 +86,20 @@ STATIC_GET_SOURCE_URL=http://s.minos.io/s
#
CLOUD_FOUNDRY_CLI_URL=http://cli.run.pivotal.io/stable?release=linux64-binary&source=github
# You can find the latest Open JDK archives here:
#
# http://jdk.java.net/9
#
OPENJDK_URL=http://download.java.net/java/GA/jdk9/9/binaries/jdk-9+181_linux-x64_bin.tar.gz
# You can find the latest ZLIB source bundles here:
#
# http://zlib.net
#
ZLIB_SOURCE_URL=http://zlib.net/zlib-1.2.11.tar.xz
####################################################
# #
# This section contains configuration properties #
@ -162,9 +176,10 @@ COPY_SOURCE_ISO=true
# Currently available overlay software:
#
# glibc_full - all core GNU C libraries (useful if other software is included).
# links - text browser.
# links - text browser for the web.
# dropbear - SSH server and client.
# java - installs Oracle's JRE or JDK. Manual preparations are required.
# openjdk - installs Open JDK. All operations are automated.
# felix - Apache Felix OSGi framework.
# mll_utils - set of executable utilities (mll-*).
# lua - scripting language
@ -172,11 +187,12 @@ COPY_SOURCE_ISO=true
# cf_cli - CLoud Foundry CLI (command line interface)
# nweb - simple mini http server
# dhcp - DHCP and DNS functionality
# zlib - DEFLATE compression/decompression library.
#
# Refer to the README file for more information.
#
#OVERLAY_BUNDLES=glibc_full,links,dropbear,java,felix,mll_utils,lua,static_get,cf_cli,nweb,dhcp
OVERLAY_BUNDLES=nweb,dhcp
OVERLAY_BUNDLES=dhcp,glibc_full,zlib,openjdk,felix,links
# This property enables the standard penguin boot logo in the upper left corner
# of the screen. The property is used in 'xx_build_kernel.sh'. The default value

7
src/02_build_kernel.sh
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@ -49,11 +49,14 @@ else
# Changes the name of the system to 'minimal'.
sed -i "s/.*CONFIG_DEFAULT_HOSTNAME.*/CONFIG_DEFAULT_HOSTNAME=\"minimal\"/" .config
# Enable overlay support, e.g. merge ro and rw directories.
# Enable overlay support, e.g. merge ro and rw directories (3.18+).
sed -i "s/.*CONFIG_OVERLAY_FS.*/CONFIG_OVERLAY_FS=y/" .config
# Enable overlayfs redirection
# Enable overlayfs redirection (4.10+).
echo "CONFIG_OVERLAY_FS_REDIRECT_DIR=y" >> .config
# Turn on inodes index feature by default (4.13+).
echo "CONFIG_OVERLAY_FS_INDEX=y" >> .config
# Step 1 - disable all active kernel compression options (should be only one).
sed -i "s/.*\\(CONFIG_KERNEL_.*\\)=y/\\#\\ \\1 is not set/" .config

9
src/README
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@ -27,6 +27,11 @@ Currently available overlay bundles:
This overlay bundle depends on the GLIBC build process.
* ZLIB - Software library used for data compression.
This overlay bundle is self sufficient and doesn't require other
overlay bundles.
* Links - text based browser. Requires ~1MB additional space. Use the
"links" command to activate the browser.
@ -49,6 +54,10 @@ Currently available overlay bundles:
This overlay bundle requires GLIBC.
* Open JDK - The open source JDK. No need for manual steps.
This overlay bundle requires GLIBC and ZLIB.
* Felix OSGi - Apache Felix OSGi framework. Requires ~2MB additional space. Use
the "felix-start" command to run the Apache Felix OSGi framework.

41
src/minimal_overlay/bundles/openjdk/01_get.sh Executable file
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@ -0,0 +1,41 @@
#!/bin/sh
SRC_DIR=$(pwd)
. ../../common.sh
# Grab everything after the '=' character.
DOWNLOAD_URL=$(grep -i OPENJDK_URL $MAIN_SRC_DIR/.config | cut -f2 -d'=')
# Grab everything after the last '/' character.
ARCHIVE_FILE=${DOWNLOAD_URL##*/}
# Read the 'USE_LOCAL_SOURCE' property from '.config'
USE_LOCAL_SOURCE="$(grep -i USE_LOCAL_SOURCE $MAIN_SRC_DIR/.config | cut -f2 -d'=')"
if [ "$USE_LOCAL_SOURCE" = "true" -a ! -f $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE ] ; then
echo "Bundle $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE is missing and will be downloaded."
USE_LOCAL_SOURCE="false"
fi
cd $MAIN_SRC_DIR/source/overlay
if [ ! "$USE_LOCAL_SOURCE" = "true" ] ; then
# Downloading Open JDK bundle file. The '-c' option allows the download to resume.
echo "Downloading Open JDK bundle from $DOWNLOAD_URL"
wget -c $DOWNLOAD_URL
else
echo "Using local Open JDK bundle $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE"
fi
# Delete folder with previously extracted Felix.
echo "Removing Open JDK work area. This may take a while..."
rm -rf $WORK_DIR/overlay/openjdk
mkdir $WORK_DIR/overlay/openjdk
# Extract Open JDK to folder 'work/overlay/openjdk'.
# Full path will be something like 'work/overlay/openjdk/jdk-9'.
tar -xvf $ARCHIVE_FILE -C $WORK_DIR/overlay/openjdk
cd $SRC_DIR

27
src/minimal_overlay/bundles/openjdk/02_install.sh Executable file
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@ -0,0 +1,27 @@
#!/bin/sh
SRC_DIR=$(pwd)
. ../../common.sh
cd $WORK_DIR/overlay/openjdk
mv `ls -d *` openjdk
mkdir opt
mv openjdk opt
mkdir $WORK_DIR/overlay/openjdk/bin
cd $WORK_DIR/overlay/openjdk/bin
for FILE in $(ls ../opt/openjdk/bin)
do
ln -s ../opt/openjdk/bin/$FILE $FILE
done
cp -r $WORK_DIR/overlay/openjdk/* \
$WORK_DIR/src/minimal_overlay/rootfs
echo "Open JDK has been installed."
cd $SRC_DIR

9
src/minimal_overlay/bundles/openjdk/bundle.sh Executable file
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@ -0,0 +1,9 @@
#!/bin/sh
SRC_DIR=$(pwd)
time sh 01_get.sh
time sh 02_install.sh
cd $SRC_DIR

41
src/minimal_overlay/bundles/zlib/01_get.sh Executable file
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@ -0,0 +1,41 @@
#!/bin/sh
SRC_DIR=$(pwd)
. ../../common.sh
# Grab everything after the '=' character.
DOWNLOAD_URL=$(grep -i ZLIB_SOURCE_URL $MAIN_SRC_DIR/.config | cut -f2 -d'=')
# Grab everything after the last '/' character.
ARCHIVE_FILE=${DOWNLOAD_URL##*/}
# Read the 'USE_LOCAL_SOURCE' property from '.config'
USE_LOCAL_SOURCE="$(grep -i USE_LOCAL_SOURCE $MAIN_SRC_DIR/.config | cut -f2 -d'=')"
if [ "$USE_LOCAL_SOURCE" = "true" -a ! -f $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE ] ; then
echo "Source bundle $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE is missing and will be downloaded."
USE_LOCAL_SOURCE="false"
fi
cd $MAIN_SRC_DIR/source/overlay
if [ ! "$USE_LOCAL_SOURCE" = "true" ] ; then
# Downloading ZLIB source bundle file. The '-c' option allows the download to resume.
echo "Downloading ZLIB source bundle from $DOWNLOAD_URL"
wget -c $DOWNLOAD_URL
else
echo "Using local ZLIB source bundle $MAIN_SRC_DIR/source/overlay/$ARCHIVE_FILE"
fi
# Delete folder with previously extracted ZLIB.
echo "Removing ZLIB work area. This may take a while..."
rm -rf $WORK_DIR/overlay/zlib
mkdir $WORK_DIR/overlay/zlib
# Extract ZLIB to folder 'work/overlay/zlib'.
# Full path will be something like 'work/overlay/zlib/zlib-1.2.11'.
tar -xvf $ARCHIVE_FILE -C $WORK_DIR/overlay/zlib
cd $SRC_DIR

40
src/minimal_overlay/bundles/zlib/02_build.sh Executable file
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@ -0,0 +1,40 @@
#!/bin/sh
SRC_DIR=$(pwd)
. ../../common.sh
cd $WORK_DIR/overlay/zlib
DESTDIR="$WORK_DIR/overlay/zlib/zlib_installed"
# Change to the Links source directory which ls finds, e.g. 'zlib-1.2.11'.
cd $(ls -d zlib-*)
echo "Preparing ZLIB work area. This may take a while..."
make -j $NUM_JOBS clean
rm -rf $DESTDIR
echo "Configuring ZLIB..."
CFLAGS="$CFLAGS" ./configure \
--prefix=$DESTDIR
echo "Building ZLIB..."
make -j $NUM_JOBS
echo "Installing ZLIB..."
make -j $NUM_JOBS install
echo "Reducing ZLIB size..."
strip -g $DESTDIR/lib/*
ROOTFS="$WORK_DIR/src/minimal_overlay/rootfs"
mkdir -p "$ROOTFS/lib"
cp -r $DESTDIR/lib/libz.so.1.* $ROOTFS/lib/libz.so.1
echo "ZLIB has been installed."
cd $SRC_DIR

9
src/minimal_overlay/bundles/zlib/bundle.sh Executable file
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@ -0,0 +1,9 @@
#!/bin/sh
SRC_DIR=$(pwd)
time sh 01_get.sh
time sh 02_build.sh
cd $SRC_DIR