debian: Add option to build without DPDK.

Co-authored-by: Frode Nordahl <frode.nordahl@canonical.com>
Signed-off-by: Frode Nordahl <frode.nordahl@canonical.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>

9 files changed, 134 insertions, 63 deletions

diff --git a/.ci/linux-build.sh b/.ci/linux-build.sh
index a8c437aaf..b7d93f36b 100755
--- a/.ci/linux-build.sh
+++ b/.ci/linux-build.sh
@@ -204,9 +204,10 @@ function build_ovs()
 }
 
 if [ "$DEB_PACKAGE" ]; then
+    ./boot.sh && ./configure --with-dpdk=$DPDK && make debian
     mk-build-deps --install --root-cmd sudo --remove debian/control
     dpkg-checkbuilddeps
-    DEB_BUILD_OPTIONS='parallel=4 nocheck' fakeroot debian/rules binary
+    make debian-deb
     packages=$(ls $(pwd)/../*.deb)
     deps=""
     for pkg in $packages; do
diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 90fe17377..4c84b3a96 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -216,11 +216,19 @@ jobs:
       deb_dependencies: |
         linux-headers-$(uname -r) build-essential fakeroot devscripts equivs
       DEB_PACKAGE: yes
+      DPDK:        ${{ matrix.dpdk }}
 
-    name: linux deb
+    name: linux deb ${{ matrix.dpdk }} dpdk
     runs-on: ubuntu-22.04
     timeout-minutes: 30
 
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - dpdk: no
+          - dpdk: shared
+
     steps:
     - name: checkout
       uses: actions/checkout@v2
@@ -234,6 +242,9 @@ jobs:
       run:  sudo apt update || true
     - name: install dependencies for debian packages
       run:  sudo apt install -y ${{ env.deb_dependencies }}
+    - name: install dpdk-dev
+      if:   matrix.dpdk != 'no'
+      run:  sudo apt install -y libdpdk-dev
 
     - name: prepare
       run:  ./.ci/linux-prepare.sh
@@ -244,5 +255,5 @@ jobs:
     - name: upload deb packages
       uses: actions/upload-artifact@v2
       with:
-        name: deb-packages
+        name: deb-packages-${{ matrix.dpdk }}-dpdk
         path: '/home/runner/work/ovs/*.deb'
diff --git a/.gitignore b/.gitignore
index f1cdcf124..b0098f46a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,6 +68,7 @@ TAGS
 cscope.*
 tags
 _debian
+_dpdk
 odp-netlink.h
 odp-netlink-macros.h
 OvsDpInterface.h
diff --git a/Documentation/intro/install/debian.rst b/Documentation/intro/install/debian.rst
index 4024dc07a..6d2687830 100644
--- a/Documentation/intro/install/debian.rst
+++ b/Documentation/intro/install/debian.rst
@@ -58,38 +58,28 @@ You do not need to be the superuser to build the Debian packages.
    top level directory.
 
 3. Install the build dependencies listed under "Build-Depends:" near the top of
-   ``debian/control``. You can install these any way you like, e.g.  with
+   ``debian/control.in``. You can install these any way you like, e.g.  with
    ``apt-get install``.
 
-Check your work by running ``dpkg-checkbuilddeps`` in the top level of your OVS
-directory. If you've installed all the dependencies properly,
-``dpkg-checkbuilddeps`` will exit without printing anything. If you forgot to
-install some dependencies, it will tell you which ones.
-
-4. Build the package::
-
-       $ fakeroot debian/rules binary
+4. Prepare the package source.
 
-   This will do a serial build that runs the unit tests. This will take
-   approximately 8 to 10 minutes. If you prefer, you can run a faster parallel
-   build::
+   If you want to build the package with DPDK support execute the following
+   command::
 
-       $ DEB_BUILD_OPTIONS='parallel=8' fakeroot debian/rules binary
+       $ ./boot.sh && ./configure --with-dpdk=shared && make debian
 
-   If you are in a big hurry, you can even skip the unit tests::
+   If not::
 
-       $ DEB_BUILD_OPTIONS='parallel=8 nocheck' fakeroot debian/rules binary
+       $ ./boot.sh && ./configure && make debian
 
-.. note::
-
-  There are a few pitfalls in the Debian packaging building system so that,
-  occasionally, you may find that in a tree that you have using for a while,
-  the build command above exits immediately without actually building anything.
-  To fix the problem, run::
+Check your work by running ``dpkg-checkbuilddeps`` in the top level of your OVS
+directory. If you've installed all the dependencies properly,
+``dpkg-checkbuilddeps`` will exit without printing anything. If you forgot to
+install some dependencies, it will tell you which ones.
 
-      $ fakeroot debian/rules clean
+5. Build the package::
 
-  or start over from a fresh copy of the source tree.
+       $ make debian-deb
 
 5. The generated .deb files will be in the parent directory of the Open vSwitch
    source distribution.
diff --git a/debian/.gitignore b/debian/.gitignore
new file mode 100644
index 000000000..0523941c6
--- /dev/null
+++ b/debian/.gitignore
@@ -0,0 +1,21 @@
+*.debhelper
+*.debhelper.log
+*.substvars
+/autoreconf.after
+/autoreconf.before
+/control
+/copyright
+/debhelper-build-stamp
+/files
+/openvswitch-common
+/openvswitch-doc
+/openvswitch-ipsec
+/openvswitch-pki
+/openvswitch-source
+/openvswitch-switch
+/openvswitch-switch-dpdk
+/openvswitch-test
+/openvswitch-testcontroller
+/openvswitch-vtep
+/python3-openvswitch
+/tmp
diff --git a/debian/automake.mk b/debian/automake.mk
index a3c2d7289..7b2afafae 100644
--- a/debian/automake.mk
+++ b/debian/automake.mk
@@ -2,8 +2,7 @@ EXTRA_DIST += \
 	debian/README.Debian \
 	debian/changelog \
 	debian/clean \
-	debian/control \
-	debian/copyright \
+	debian/control.in \
 	debian/copyright.in \
 	debian/dirs \
 	debian/gbp.conf \
@@ -80,12 +79,54 @@ check-debian-changelog-version:
 ALL_LOCAL += check-debian-changelog-version
 DIST_HOOKS += check-debian-changelog-version
 
-$(srcdir)/debian/copyright: AUTHORS.rst debian/copyright.in
+
+update_deb_copyright = \
 	$(AM_V_GEN) \
 	{ sed -n -e '/%AUTHORS%/q' -e p < $(srcdir)/debian/copyright.in;   \
 	  tail -n +28 $(srcdir)/AUTHORS.rst | sed '1,/^$$/d' |		   \
 		sed -n -e '/^$$/q' -e 's/^/  /p';			   \
 	  sed -e '1,/%AUTHORS%/d' $(srcdir)/debian/copyright.in;	   \
-	} > $@
+	} > debian/copyright
+
+debian/copyright: AUTHORS.rst debian/copyright.in
+	$(update_deb_copyright)
+
+CLEANFILES += debian/copyright
+
+
+if DPDK_NETDEV
+update_deb_control = \
+	$(AM_V_GEN) sed -e 's/^\# DPDK_NETDEV //' \
+		< $(srcdir)/debian/control.in > debian/control
+else
+update_deb_control = \
+	$(AM_V_GEN) grep -v '^\# DPDK_NETDEV' \
+		< $(srcdir)/debian/control.in > debian/control
+endif
+
+debian/control: $(srcdir)/debian/control.in Makefile
+	$(update_deb_control)
 
-DISTCLEANFILES += debian/copyright
+CLEANFILES += debian/control
+
+
+debian: debian/copyright debian/control
+.PHONY: debian
+
+
+debian-deb: debian
+	@if test X"$(srcdir)" != X"$(top_builddir)"; then			\
+		echo "Debian packages should be built from $(abs_srcdir)/";	\
+		exit 1;								\
+	fi
+	$(MAKE) distclean
+	$(update_deb_copyright)
+	$(update_deb_control)
+	$(AM_V_GEN) fakeroot debian/rules clean
+if DPDK_NETDEV
+	$(AM_V_GEN) DEB_BUILD_OPTIONS="nocheck parallel=`nproc`" \
+		fakeroot debian/rules binary
+else
+	$(AM_V_GEN) DEB_BUILD_OPTIONS="nocheck parallel=`nproc` nodpdk" \
+		fakeroot debian/rules binary
+endif
diff --git a/debian/clean b/debian/clean
index 3b2e48901..43da304ce 100644
--- a/debian/clean
+++ b/debian/clean
@@ -1,2 +1,2 @@
-_debian
-_dpdk
+_debian/
+_dpdk/
diff --git a/debian/control b/debian/control.in
index 0ff894461..fa7ee7932 100644
--- a/debian/control
+++ b/debian/control.in
@@ -12,7 +12,7 @@ Build-Depends:
  autoconf (>= 2.64),
  automake (>= 1.10),
  bzip2,
- debhelper-compat (= 13),
+ debhelper-compat (= 10),
  dh-exec,
  dh-python,
  dh-sequence-python3,
@@ -21,7 +21,7 @@ Build-Depends:
  iproute2,
  libcap-ng-dev,
  libdbus-1-dev [amd64 i386 ppc64el arm64],
- libdpdk-dev (>= 21.11) [amd64 i386 ppc64el arm64],
+# DPDK_NETDEV  libdpdk-dev (>= 21.11) [amd64 i386 ppc64el arm64],
  libnuma-dev [amd64 i386 ppc64el arm64],
  libpcap-dev [amd64 i386 ppc64el arm64],
  libssl-dev,
@@ -176,34 +176,34 @@ Description: Open vSwitch switch implementations
  openvswitch-switch provides the userspace components and utilities for
  the Open vSwitch kernel-based switch.
 
-Package: openvswitch-switch-dpdk
-Architecture: amd64 arm64 i386 ppc64el
-Pre-Depends: ${misc:Pre-Depends},
-Depends:
- dpdk,
- openvswitch-switch (= ${binary:Version}),
- ${misc:Depends},
- ${python3:Depends},
- ${shlibs:Depends},
-Enhances:
- openvswitch-switch,
-Description: DPDK enabled Open vSwitch switch implementation
- Open vSwitch is a production quality, multilayer, software-based,
- Ethernet virtual switch. It is designed to enable massive network
- automation through programmatic extension, while still supporting
- standard management interfaces and protocols (e.g. NetFlow, IPFIX,
- sFlow, SPAN, RSPAN, CLI, LACP, 802.1ag). In addition, it is designed
- to support distribution across multiple physical servers similar to
- VMware's vNetwork distributed vswitch or Cisco's Nexus 1000V.
- .
- openvswitch-switch provides the userspace components and utilities for
- the Open vSwitch kernel-based switch.
- .
- DPDK is a set of libraries for fast packet processing. Applications run
- in user-space and communicate directly with dedicated network interfaces.
- .
- This package provides a DPDK enabled implementation of the ovs-vswitchd
- binary.
+# DPDK_NETDEV Package: openvswitch-switch-dpdk
+# DPDK_NETDEV Architecture: amd64 arm64 i386 ppc64el
+# DPDK_NETDEV Pre-Depends: ${misc:Pre-Depends},
+# DPDK_NETDEV Depends:
+# DPDK_NETDEV  dpdk,
+# DPDK_NETDEV  openvswitch-switch (= ${binary:Version}),
+# DPDK_NETDEV  ${misc:Depends},
+# DPDK_NETDEV  ${python3:Depends},
+# DPDK_NETDEV  ${shlibs:Depends},
+# DPDK_NETDEV Enhances:
+# DPDK_NETDEV  openvswitch-switch,
+# DPDK_NETDEV Description: DPDK enabled Open vSwitch switch implementation
+# DPDK_NETDEV  Open vSwitch is a production quality, multilayer, software-based,
+# DPDK_NETDEV  Ethernet virtual switch. It is designed to enable massive network
+# DPDK_NETDEV  automation through programmatic extension, while still supporting
+# DPDK_NETDEV  standard management interfaces and protocols (e.g. NetFlow, IPFIX,
+# DPDK_NETDEV  sFlow, SPAN, RSPAN, CLI, LACP, 802.1ag). In addition, it is designed
+# DPDK_NETDEV  to support distribution across multiple physical servers similar to
+# DPDK_NETDEV  VMware's vNetwork distributed vswitch or Cisco's Nexus 1000V.
+# DPDK_NETDEV  .
+# DPDK_NETDEV  openvswitch-switch provides the userspace components and utilities for
+# DPDK_NETDEV  the Open vSwitch kernel-based switch.
+# DPDK_NETDEV  .
+# DPDK_NETDEV  DPDK is a set of libraries for fast packet processing. Applications run
+# DPDK_NETDEV  in user-space and communicate directly with dedicated network interfaces.
+# DPDK_NETDEV  .
+# DPDK_NETDEV  This package provides a DPDK enabled implementation of the ovs-vswitchd
+# DPDK_NETDEV  binary.
 
 Package: openvswitch-test
 Architecture: all
diff --git a/debian/rules b/debian/rules
index 9a2f8ac1c..f3202ac30 100755
--- a/debian/rules
+++ b/debian/rules
@@ -28,6 +28,7 @@ override_dh_auto_configure:
 					 $(EXTRA_CONFIGURE_OPTS) \
 					 )
 ifneq (,$(filter i386 amd64 ppc64el arm64, $(DEB_HOST_ARCH)))
+ifeq (,$(filter nodpdk, $(DEB_BUILD_OPTIONS)))
 	test -d _dpdk || mkdir _dpdk
 	cd _dpdk && ( \
 		test -e Makefile || \
@@ -37,6 +38,7 @@ ifneq (,$(filter i386 amd64 ppc64el arm64, $(DEB_HOST_ARCH)))
 					 $(EXTRA_CONFIGURE_OPTS) \
 					 )
 endif
+endif
 
 
 # NOTE(jamespage): by default, just run all tests
@@ -61,12 +63,14 @@ ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
 # Skip DPDK testing on arm64 as builders don't have crc32 support
 # which is used in aarch64 based crc optimization in ovs >= 2.12.0~
 ifneq (,$(filter i386 amd64 ppc64el, $(DEB_HOST_ARCH)))
+ifeq (,$(filter nodpdk, $(DEB_BUILD_OPTIONS)))
 	if $(MAKE) -C _dpdk check TESTSUITEFLAGS='$(PARALLEL) $(TEST_LIST_DPDK)' || \
 				$(MAKE) -C _dpdk check TESTSUITEFLAGS='--recheck'; then :; \
 	else \
 		cat _dpdk/tests/testsuite.log; \
 		exit 1; \
 	fi
+endif # nodpdk
 endif # i386/amd64/ppc64el
 endif # nocheck
 
@@ -74,8 +78,10 @@ override_dh_auto_build:
 	dh_auto_build --sourcedirectory=_debian -- dist distdir=openvswitch
 	dh_auto_build --sourcedirectory=_debian
 ifneq (,$(filter i386 amd64 ppc64el arm64, $(DEB_HOST_ARCH)))
+ifeq (,$(filter nodpdk, $(DEB_BUILD_OPTIONS)))
 	dh_auto_build --sourcedirectory=_dpdk
 endif
+endif
 
 execute_before_dh_auto_clean:
 	find . -name "*.pyc" -delete