Adding dnbd3 compile routines.

1 files changed, 76 insertions, 25 deletions

diff --git a/build_initramfs.sh b/build_initramfs.sh
index ed796153..d9f4dfb5 100755
--- a/build_initramfs.sh
+++ b/build_initramfs.sh
@@ -77,6 +77,7 @@ function build_initramfs() {
         local dependencies=(bash cpio git test shift echo mktemp cat rm sed \
             wget xz tar grep)
         "$_SCOPE" _DEPENDENCIES="${dependencies[*]}"
+        "$_SCOPE" _KERNEL_MODULE_DIRECTORY="builder/dnbd3-qcow2-rootfs/kernel_modules/"
         "$_SCOPE" _STANDARD_OUTPUT=/dev/null
         "$_SCOPE" _ERROR_OUTPUT=/dev/null
     fi
@@ -227,6 +228,71 @@ EOF
 
     ## endregion
 
+    function build_initramfs_initialize_dracut() {
+        # Downloads and compiles dracut.
+        #
+        # Examples:
+        #
+        # >>> build_initramfs_initialize_dracut
+        # ...
+        mkdir dracut 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        build_initramfs_log 'Download and extract dracut.' && \
+        curl --location \
+            https://www.kernel.org/pub/linux/utils/boot/dracut/dracut-043.tar.gz | \
+            tar --extract --gzip --directory dracut --strip-components 1 \
+            1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        cd dracut 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        # NOTE: On virtualbox shared folder symlinks are not allowed.
+        # make the dracut-install binary (dracut-install resolves dependencies etc.)
+        build_initramfs_log 'Compile dracut.' && \
+        make install/dracut-install 1>"$_STANDARD_OUTPUT" \
+            2>"$_ERROR_OUTPUT" && \
+        # NOTE: We have to copy the binary to current instead of symlinking
+        # them since this feature isn't supported in shared virtual box
+        # machine folders. If symlinks would be available we could simply
+        # use:
+        # >>> make dracut-install
+        cp install/dracut-install dracut-install 1>"$_STANDARD_OUTPUT" \
+            2>"$_ERROR_OUTPUT" && \
+        cd - 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT"
+        return $?
+    }
+    function build_initramfs_compile_nbd() {
+        # Downloads and compiles nbd.
+        #
+        # Examples:
+        #
+        # >>> build_initramfs_compile_nbd
+        # ...
+        # Provides the following file:
+        # ${KERNEL_MODULE_DIRECTORY}/nbd/nbd.ko
+        cd "${KERNEL_MODULE_DIRECTORY}/nbd" \
+            1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        build_initramfs_log 'Compile the nbd kernel module.' && \
+        make 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        cd - 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        return $?
+        # TODO make clean
+    }
+    function build_initramfs_compile_dnbd3() {
+        # Downloads and compiles dnbd3.
+        #
+        # Examples:
+        #
+        # >>> build_initramfs_compile_dnbd3
+        # ...
+        # Provides the following file:
+        # ${KERNEL_MODULE_DIRECTORY}/dnbd3/build/dnbd3.ko
+        cd $KERNEL_MODULE_DIRECTORY \
+            1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        git clone git://git.openslx.org/dnbd3.git \
+            1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        cd dnbd3 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        ./build.sh 1>"$_STANDARD_OUTPUT" 2>"$_ERROR_OUTPUT" && \
+        return $?
+        # TODO rm -rf build
+    }
+
     # endregion
 
     # region controller
@@ -236,31 +302,16 @@ EOF
             build_initramfs_log 'error' 'Satisfying main dependencies failed.'
         build_initramfs_command_line_interface "$@" || return $?
 
-        ## TODO use seperate functions for each task
-        mkdir dracut
-        # download and extract dracut
-        curl --location \
-            https://www.kernel.org/pub/linux/utils/boot/dracut/dracut-043.tar.gz | \
-            tar --extract --gzip --directory dracut --strip-components 1
-        cd dracut
-        # NOTE: On virtualbox shared folder symlinks are not allowed.
-        # make the dracut-install binary (dracut-install resolves dependencies etc.)
-        make install/dracut-install
-        # copy the binary to current (instead of symlink)
-        cp install/dracut-install dracut-install
-        ## if symlinks are available
-        #make dracut-install
-
-        cd builder/dnbd3-qcow2-rootfs/kernel_modules/nbd/
-        make
-        cd -
-
-        # TODO build dnbd3.ko, nbd.ko (dnbd3-qcow2-rootfs/kernel_modules/Makefile)
-        # TODO add dnbd3-qcow2-rootfs to modules.d
-
-        # build initramfs
-        ./dracut.sh --local --verbose --force
-        ##
+        build_initramfs_log 'Checking dracut.'
+        if ! [[ -d ./dracut ]]; then
+            build_initramfs_initialize_dracut && \
+            build_initramfs_compile_nbd && \
+            build_initramfs_compile_dnbd3 && \
+            # TODO add dnbd3-qcow2-rootfs to modules.d
+            build_initramfs_log 'Build initramfs.' && \
+            ./dracut.sh --local --verbose --force 1>"$_STANDARD_OUTPUT" \
+                2>"$_ERROR_OUTPUT"
+        fi
 
     fi
     return 0