Add native-deb* targets to build native Debian packages

In continuation of previous #13451, this commits adds native-deb*
targets for make to build native debian packages. Github workflows
are updated to build and test native Debian packages.

Native packages only build with pre-configured paths (see the
dh_auto_configure section in contrib/debian/rules.in). While
building native packages, paths should not be configured. Initial
config flags e.g. '--enable-debug' are replaced in
contrib/debian/rules.in.

Additional packages on top of existing zfs packages required to
build native packages include debhelper-compat, dh-python, dkms,
po-debconf, python3-all-dev, python3-sphinx.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Umer Saleem <usaleem@ixsystems.com>
Closes #14265

contrib/debian/.gitignore

@@ -0,0 +1 @@
+rules

contrib/debian/control

@@ -2,8 +2,7 @@ Source: openzfs-linux
 Section: contrib/kernel
 Priority: optional
 Maintainer: ZFS on Linux specific mailing list <zfs-discuss@list.zfsonlinux.org>
-Build-Depends: abigail-tools,
-               debhelper-compat (= 12),
+Build-Depends: debhelper-compat (= 12),
                dh-python,
                dkms (>> 2.1.1.2-5),
                libaio-dev,

contrib/debian/openzfs-libpam-zfs.postinst

@@ -1,6 +1,8 @@
 #!/bin/sh
 set -e
 
-pam-auth-update --package
+if ! $(ldd "/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security/pam_zfs_key.so" | grep -q "libasan") ; then
+	pam-auth-update --package
+fi
 
 #DEBHELPER#

contrib/debian/openzfs-zfs-zed.postinst

@@ -4,13 +4,6 @@ set -e
 zedd="/usr/lib/zfs-linux/zed.d"
 etcd="/etc/zfs/zed.d"
 
-# enable all default zedlets that are not overridden
-while read -r file ; do
-    etcfile="${etcd}/${file}"
-    [ -e "${etcfile}" ] && continue
-    ln -sfT "${zedd}/${file}" "${etcfile}"
-done < "${zedd}/DEFAULT-ENABLED"
-
 # remove the overrides created in prerm
 find "${etcd}" -maxdepth 1 -lname '/dev/null' -delete
 # remove any dangling symlinks to old zedlets

contrib/debian/openzfs-zfs-zed.prerm

@@ -1,16 +0,0 @@
-#!/bin/sh
-set -e
-
-zedd="/usr/lib/zfs-linux/zed.d"
-etcd="/etc/zfs/zed.d"
-
-if [ "$1" != "failed-upgrade" ] && [ -d "${etcd}" ] && [ -d "${zedd}" ] ; then
-    while read -r file ; do
-        etcfile="${etcd}/${file}"
-        ( [ -L "${etcfile}" ] || [ -e "${etcfile}" ] ) && continue
-        ln -sT /dev/null "${etcfile}"
-    done < "${zedd}/DEFAULT-ENABLED"
-fi
-
-#DEBHELPER#
-

contrib/debian/openzfs-zfsutils.install

@@ -131,5 +131,4 @@ usr/share/man/man8/zstreamdump.8
 usr/share/man/man4/spl.4
 usr/share/man/man4/zfs.4
 usr/share/man/man7/zpool-features.7
-usr/share/man/man7/dracut.zfs.7
 usr/share/man/man8/zpool_influxdb.8

contrib/debian/openzfs-zfsutils.postinst

@@ -1,21 +1,6 @@
 #!/bin/sh
 set -e
 
-# The hostname and hostid of the last system to access a ZFS pool are stored in
-# the ZFS pool itself. A pool is foreign if, during `zpool import`, the
-# current hostname and hostid are different than the stored values thereof.
-#
-# The only way of having a stable hostid is to define it in /etc/hostid.
-# This postinst helper will check if we already have the hostid stabilized by
-# checking the existence of the file /etc/hostid to be 4 bytes at least.
-# If this file don't already exists on our system or has less than 4 bytes, then
-# a new (random) value is generated with zgenhostid (8) and stored in
-# /etc/hostid
-
-if [ ! -f /etc/hostid ] || [ "$(stat -c %s /etc/hostid)" -lt 4 ] ; then
-	zgenhostid
-fi
-
 # When processed to here but zfs kernel module is not loaded, the subsequent
 # services would fail to start. In this case the installation process just
 # fails at the postinst stage. The user could do

contrib/debian/rules.in

@@ -35,7 +35,7 @@ override_dh_autoreconf:
 
 override_dh_auto_configure:
 	@# Build the userland, but don't build the kernel modules.
-	dh_auto_configure -- \
+	dh_auto_configure -- @CFGOPTS@ \
 	  --bindir=/usr/bin \
 	  --sbindir=/sbin \
 	  --libdir=/lib/"$(DEB_HOST_MULTIARCH)" \
@@ -195,7 +195,7 @@ override_dh_prep-deb-files:
 
 override_dh_configure_modules: override_dh_configure_modules_stamp
 override_dh_configure_modules_stamp:
-	./configure \
+	./configure @CFGOPTS@ \
 		--with-config=kernel \
 		--with-linux=$(KSRC) \
 		--with-linux-obj=$(KOBJ)