1 files changed, 98 insertions, 0 deletions
diff --git a/scripts/package-build/linux-kernel/build-jool.py b/scripts/package-build/linux-kernel/build-jool.py
new file mode 100755
index 00000000..570293f5
--- /dev/null
+++ b/scripts/package-build/linux-kernel/build-jool.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+
+from tomllib import loads as toml_loads
+from requests import get
+from pathlib import Path
+from subprocess import run
+
+def find_arch() -> str:
+    tmp=run(['dpkg-architecture', '-q', 'DEB_HOST_ARCH'], capture_output=True)
+    return tmp.stdout.decode().strip()
+
+# dependency modifier
+def add_depends(package_dir: str, package_name: str,
+                depends: list[str]) -> None:
+    """Add dependencies to a package
+
+    Args:
+        package_dir (str): a directory where package sources are located
+        package_name (str): a name of package
+        depends (list[str]): a list of dependencies to add
+    """
+    depends_list: str = ', '.join(depends)
+    depends_line: str = f'misc:Depends={depends_list}\n'
+
+    substvars_file = Path(f'{package_dir}/debian/{package_name}.substvars')
+    substvars_file.write_text(depends_line)
+
+
+# find kernel version and source path
+arch: str = find_arch()
+defaults_file: str = Path('../../../data/defaults.toml').read_text()
+architecture_file: str = Path(f'../../../data/architectures/{arch}.toml').read_text()
+KERNEL_VER: str = toml_loads(defaults_file).get('kernel_version')
+KERNEL_FLAVOR: str = toml_loads(architecture_file).get('kernel_flavor')
+KERNEL_SRC: str = Path.cwd().as_posix() + '/linux'
+
+# define variables
+PACKAGE_NAME: str = 'jool'
+PACKAGE_VERSION: str = '4.1.9+bf4c7e3669'
+PACKAGE_DIR: str = f'{PACKAGE_NAME}-{PACKAGE_VERSION}'
+SOURCES_ARCHIVE: str = 'jool-4.1.9+bf4c7e3669.tar.gz'
+SOURCES_URL: str = f'https://github.com/NICMx/Jool/archive/7f08c42c615ed63cf0fdc1522d91aa0809f6d990.tar.gz'
+
+# download sources
+sources_archive = Path(SOURCES_ARCHIVE)
+sources_archive.write_bytes(get(SOURCES_URL).content)
+
+# prepare sources
+debmake_cmd: list[str] = [
+    'debmake', '-e', 'support@vyos.io', '-f', 'VyOS Support', '-p',
+    PACKAGE_NAME, '-u', PACKAGE_VERSION, '-a', SOURCES_ARCHIVE
+]
+run(debmake_cmd)
+
+# add kernel to dependencies
+add_depends(PACKAGE_DIR, PACKAGE_NAME,
+            [f'linux-image-{KERNEL_VER}-{KERNEL_FLAVOR}'])
+
+# configure build rules
+build_rules_text: str = f'''#!/usr/bin/make -f
+# config
+export KERNEL_DIR := {KERNEL_SRC}
+PACKAGE_BUILD_DIR := debian/{PACKAGE_NAME}
+KVER := {KERNEL_VER}-{KERNEL_FLAVOR}
+MODULES_DIR := extra
+
+# main packaging script based on dh7 syntax
+%:
+	dh $@  
+
+override_dh_clean:
+	dh_clean --exclude=debian/{PACKAGE_NAME}.substvars
+
+override_dh_prep:
+	dh_prep --exclude=debian/{PACKAGE_NAME}.substvars
+
+# override_dh_auto_clean:
+# 	make -C src/mod clean
+
+override_dh_auto_build:
+	dh_auto_build $@
+	make -C ${{KERNEL_DIR}} M=$$PWD/src/mod/common modules
+	make -C ${{KERNEL_DIR}} M=$$PWD/src/mod/nat64 modules
+	make -C ${{KERNEL_DIR}} M=$$PWD/src/mod/siit modules
+
+override_dh_auto_install:
+	dh_auto_install $@
+	install -D -m 644 src/mod/common/jool_common.ko ${{PACKAGE_BUILD_DIR}}/lib/modules/${{KVER}}/${{MODULES_DIR}}/jool_common.ko
+	install -D -m 644 src/mod/nat64/jool.ko ${{PACKAGE_BUILD_DIR}}/lib/modules/${{KVER}}/${{MODULES_DIR}}/jool.ko
+	install -D -m 644 src/mod/siit/jool_siit.ko ${{PACKAGE_BUILD_DIR}}/lib/modules/${{KVER}}/${{MODULES_DIR}}/jool_siit.ko
+
+'''
+bild_rules = Path(f'{PACKAGE_DIR}/debian/rules')
+bild_rules.write_text(build_rules_text)
+
+# build a package
+debuild_cmd: list[str] = ['debuild']
+run(debuild_cmd, cwd=PACKAGE_DIR)