packaging: add configure option to preprocess and install systemd files

Turn the systemd service files under packaging into template (.in) files
with @VAR@ substitutions and add configure options to install and tweak
them.

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>

6 files changed, 82 insertions, 12 deletions

diff --git a/packaging/systemd/nmb.service b/packaging/systemd/nmb.service.in
index 6231118abe8..b0ba92f2244 100644
--- a/packaging/systemd/nmb.service
+++ b/packaging/systemd/nmb.service.in
@@ -6,11 +6,12 @@ After=syslog.target network.target network-online.target
 [Service]
 Type=notify
 NotifyAccess=all
-PIDFile=/run/nmbd.pid
-EnvironmentFile=-/etc/sysconfig/samba
-ExecStart=/usr/sbin/nmbd --foreground --no-process-group $NMBDOPTIONS
+PIDFile=@PIDDIR@/nmbd.pid
+EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStart=@SBINDIR@/nmbd --foreground --no-process-group $NMBDOPTIONS
 ExecReload=/usr/bin/kill -HUP $MAINPID
 LimitCORE=infinity
+@systemd_nmb_extra@
 
 [Install]
 WantedBy=multi-user.target
diff --git a/packaging/systemd/samba.service b/packaging/systemd/samba.service.in
index 79b22a0da7a..c4181509461 100644
--- a/packaging/systemd/samba.service
+++ b/packaging/systemd/samba.service.in
@@ -6,11 +6,12 @@ After=syslog.target network.target network-online.target
 [Service]
 Type=notify
 NotifyAccess=all
-PIDFile=/run/samba.pid
+PIDFile=@PIDDIR@/samba.pid
 LimitNOFILE=16384
-EnvironmentFile=-/etc/sysconfig/samba
-ExecStart=/usr/sbin/samba --foreground --no-process-group $SAMBAOPTIONS
+EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStart=@SBINDIR@/samba --foreground --no-process-group $SAMBAOPTIONS
 ExecReload=/usr/bin/kill -HUP $MAINPID
+@systemd_samba_extra@
 
 [Install]
 WantedBy=multi-user.target
diff --git a/packaging/systemd/smb.service b/packaging/systemd/smb.service.in
index adf6684c7d9..f829bcbaee5 100644
--- a/packaging/systemd/smb.service
+++ b/packaging/systemd/smb.service.in
@@ -5,12 +5,13 @@ After=syslog.target network.target nmb.service winbind.service
 [Service]
 Type=notify
 NotifyAccess=all
-PIDFile=/run/smbd.pid
+PIDFile=@PIDDIR@/smbd.pid
 LimitNOFILE=16384
-EnvironmentFile=-/etc/sysconfig/samba
-ExecStart=/usr/sbin/smbd --foreground --no-process-group $SMBDOPTIONS
+EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStart=@SBINDIR@/smbd --foreground --no-process-group $SMBDOPTIONS
 ExecReload=/usr/bin/kill -HUP $MAINPID
 LimitCORE=infinity
+@systemd_smb_extra@
 
 [Install]
 WantedBy=multi-user.target
diff --git a/packaging/systemd/winbind.service b/packaging/systemd/winbind.service.in
index 46b3797251d..5ac5adc846f 100644
--- a/packaging/systemd/winbind.service
+++ b/packaging/systemd/winbind.service.in
@@ -5,11 +5,12 @@ After=syslog.target network.target nmb.service
 [Service]
 Type=notify
 NotifyAccess=all
-PIDFile=/run/winbindd.pid
-EnvironmentFile=-/etc/sysconfig/samba
-ExecStart=/usr/sbin/winbindd --foreground --no-process-group "$WINBINDOPTIONS"
+PIDFile=@PIDDIR@/winbindd.pid
+EnvironmentFile=-@SYSCONFDIR@/sysconfig/samba
+ExecStart=@SBINDIR@/winbindd --foreground --no-process-group "$WINBINDOPTIONS"
 ExecReload=/usr/bin/kill -HUP $MAINPID
 LimitCORE=infinity
+@systemd_winbind_extra@
 
 [Install]
 WantedBy=multi-user.target
diff --git a/packaging/wscript b/packaging/wscript
new file mode 100644
index 00000000000..76158e9da44
--- /dev/null
+++ b/packaging/wscript
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+
+import Options
+
+def set_options(opt):
+    gr = opt.option_group('systemd installation options')
+
+    gr.add_option('--systemd-install-services',
+                  help=("install systemd service files to manage daemons (default=no)"),
+                  action="store_true", dest="systemd_install_services", default=False)
+
+    gr.add_option('--with-systemddir',
+                  help=("systemd service directory [PREFIX/usr/lib/systemd/system]"),
+                  action="store", dest="SYSTEMDDIR",
+                  default="${PREFIX}/usr/lib/systemd/system")
+    #
+    # extra service directives
+    #
+
+    gr.add_option('--systemd-smb-extra',
+                  metavar="Option=Value",
+                  help=("Extra directives added to the smb service file."
+                        +" Can be given multiple times."),
+                  action="append", dest="systemd_smb_extra", default=[])
+
+    gr.add_option('--systemd-nmb-extra',
+                  metavar="Option=Value",
+                  help=("Extra directives added to the nmb service file."
+                        +" Can be used multiple times."),
+                  action="append", dest="systemd_nmb_extra", default=[])
+
+    gr.add_option('--systemd-winbind-extra',
+                  metavar="Option=Value",
+                  help=("Extra directives added to the winbind service file."
+                        +" Can be used multiple times."),
+                  action="append", dest="systemd_winbind_extra", default=[])
+
+    gr.add_option('--systemd-samba-extra',
+                  metavar="Option=Value",
+                  help=("Extra directives added to the samba service file."
+                        +" Can be used multiple times."),
+                  action="append", dest="systemd_samba_extra", default=[])
+
+def configure(conf):
+    conf.env.systemd_install_services = Options.options.systemd_install_services
+    conf.env.systemd_smb_extra = '\n'.join(Options.options.systemd_smb_extra)
+    conf.env.systemd_nmb_extra = '\n'.join(Options.options.systemd_nmb_extra)
+    conf.env.systemd_winbind_extra = '\n'.join(Options.options.systemd_winbind_extra)
+    conf.env.systemd_samba_extra = '\n'.join(Options.options.systemd_samba_extra)
+    conf.env.SYSTEMDDIR = Options.options.SYSTEMDDIR
diff --git a/packaging/wscript_build b/packaging/wscript_build
new file mode 100644
index 00000000000..fbcd4e55f8c
--- /dev/null
+++ b/packaging/wscript_build
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+
+systemd_services = [
+    'systemd/smb.service',
+    'systemd/nmb.service',
+    'systemd/winbind.service',
+    'systemd/samba.service'
+]
+
+for srv in systemd_services:
+    bld.CONFIGURE_FILE(srv)
+    if bld.env.systemd_install_services:
+        bld.INSTALL_FILES(bld.env.SYSTEMDDIR, srv, flat=True)
+
+if bld.env.systemd_install_services:
+    bld.INSTALL_FILES('${SYSCONFDIR}/sysconfig', 'systemd/samba.sysconfig', destname='samba')