generation: Add kernel compiling script.

generation/00env.sh

@@ -5,6 +5,7 @@ GIT_ROOT=`git rev-parse --show-toplevel`
 PROJECT_DIR=$GIT_ROOT
 
 ### TO BE MODIFIED BY USERS ###
+KERNEL_VERSION=5.10.157
 ## Packages
 MCA_PACKAGE_NAME=mca--static
 FLB_PACKAGE_NAME=fluent-bit
@@ -16,6 +17,8 @@ PLG_VERSION=0.2.1+1.0.293.nodep-1
 SIGNING_KEY_NAME=db.key
 
 ### DO NOT MODIFY ###
+KERNEL_COMPILATION_DIR="$GIT_ROOT"/generation/kernel-compilation
+KERNEL_DIR="$KERNEL_COMPILATION_DIR"/extracted-image-package
 # used mainly in dracut.module/configure
 MCA_NAME_AND_VERSION=${MCA_PACKAGE_NAME}_${MCA_VERSION}
 FLB_NAME_AND_VERSION=${FLB_PACKAGE_NAME}_${FLB_VERSION}

generation/10install-dependencies.sh

@@ -16,6 +16,7 @@ git config --local user.name "Ophelie Gagnard"
 
 # building initramfs
 apt -y install dracut-core dracut dracut-network sbsigntool pip
+apt -y build-dep linux
 #pip install slapos.libnetworkcache
 NC_DIR=strategies_slapos.libnetworkcache
 cd ..

generation/20compile-kernel.sh

+#!/bin/bash
+
+set -e
+
+# get the root of the git repository
+GIT_ROOT=$(git rev-parse --show-toplevel)
+cd "$GIT_ROOT"
+
+source generation/00env.sh
+
+KERNEL_COMPILATION_DIR=kernel-compilation
+nproc=32
+
+apt -y build-dep linux
+mkdir -p "$KERNEL_COMPILATION_DIR" && cd "$KERNEL_COMPILATION_DIR"
+if [ ! -f linux-"$KERNEL_VERSION".tar.xz ]; then
+	wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-"$KERNEL_VERSION".tar.xz
+	tar -xaf linux-"$KERNEL_VERSION".tar.xz
+fi
+cd linux-"$KERNEL_VERSION"
+
+make olddefconfig
+make menu config
+
+./scripts/config \
+	-d CONFIG_MODULE_SIG_ALL \
+	-d CONFIG_MODULE_SIG_KEY \
+	-d CONFIG_SYSTEM_TRUSTED_KEYS \
+	-d CONFIG_DEBUG_INFO \
+	-e CONFIG_EFI_STUB
+
+# include every modules in the kernel
+cp .config .config.backup
+sed -i 's/=m$/=y/g' .config
+
+make deb-pkg -j"$(nproc)" LOCALVERSION=-"$(dpkg --print-architecture)" KDEB_PKGVERSION="$(make $KERNEL_VERSION)-1"
+cd ..
+dpkg -x linux-image-"$KERNEL_VERSION"-amd64_"$KERNEL_VERSION"-1_amd64.deb "$KERNEL_DIR"