Run updatedb from via systemd timer instead of cron

mlocate-run-updatedb

@@ -1,5 +1,4 @@
 #!/bin/sh
+
 nodevs=$(< /proc/filesystems awk '$1 == "nodev" && $2 != "rootfs" && $2 != "zfs" { print $2 }')
-renice +19 -p $$ >/dev/null 2>&1
-ionice -c2 -n7 -p $$ >/dev/null 2>&1
 /usr/bin/updatedb -f "$nodevs"

mlocate-updatedb.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Update a database for mlocate
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/mlocate-run-updatedb
+Nice=19
+IOSchedulingClass=2
+IOSchedulingPriority=7
+
+PrivateTmp=true
+PrivateDevices=true
+PrivateNetwork=true
+ProtectSystem=true

mlocate-updatedb.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Updates mlocate database every day
+
+[Timer]
+OnCalendar=daily
+AccuracySec=24h
+Persistent=true
+
+[Install]
+WantedBy=timers.target

mlocate.spec

@@ -3,16 +3,18 @@
 Summary: An utility for finding files by name
 Name: mlocate
 Version: 0.26
-Release: 10%{?dist}
+Release: 11%{?dist}
 License: GPLv2
 URL: https://fedorahosted.org/mlocate/
 Group: Applications/System
 Source0: https://fedorahosted.org/releases/m/l/mlocate/mlocate-%{version}.tar.xz
 Source1: updatedb.conf
-Source2: mlocate.cron
+Source2: mlocate-run-updatedb
-Requires: crontabs
+Source3: mlocate-updatedb.service
+Source4: mlocate-updatedb.timer
 Requires(pre): shadow-utils
 Requires(post): grep, sed
+BuildRequires: systemd
 Provides: bundled(gnulib)
 Obsoletes: slocate <= 2.7-30
 
@@ -36,7 +38,10 @@ make install DESTDIR=$RPM_BUILD_ROOT INSTALL='install -p' groupname=slocate
 
 mkdir -p $RPM_BUILD_ROOT{%{_sysconfdir},/etc/cron.daily}
 install -p -m 644 %{SOURCE1} $RPM_BUILD_ROOT%{_sysconfdir}/updatedb.conf
-install -p -m 750 %{SOURCE2} $RPM_BUILD_ROOT/etc/cron.daily/mlocate
+install -D -p -m 750 %{SOURCE2} $RPM_BUILD_ROOT%{_libexecdir}/mlocate-run-updatedb
+install -D -p -m 644 %{SOURCE3} $RPM_BUILD_ROOT%{_unitdir}/mlocate-updatedb.service
+install -D -p -m 644 %{SOURCE4} $RPM_BUILD_ROOT%{_unitdir}/mlocate-updatedb.timer
+
 # %%ghost semantics is so stupid
 touch $RPM_BUILD_ROOT%{_localstatedir}/lib/mlocate/mlocate.db
 
@@ -50,18 +55,33 @@ exit 0
 if /bin/grep -q '^[^#]*DAILY_UPDATE' %{_sysconfdir}/updatedb.conf; then
     /bin/sed -i.rpmsave -e '/DAILY_UPDATE/s/^/#/' %{_sysconfdir}/updatedb.conf
 fi
+%systemd_post mlocate-updatedb.timer
+
+%preun
+%systemd_preun mlocate-updatedb.timer
+
+%postun
+%systemd_postun_with_restart mlocate-updatedb.timer
+
+%triggerin -- %{name} < 0.26-11
+/usr/bin/systemctl start mlocate-updatedb.timer
 
 %files -f mlocate.lang
 %doc AUTHORS COPYING NEWS README
-%attr(0700,-,-) %config(noreplace) /etc/cron.daily/mlocate
 %config(noreplace) %{_sysconfdir}/updatedb.conf
 %attr(2711,root,slocate) %{_bindir}/locate
+%{_unitdir}/mlocate-updatedb.service
+%{_unitdir}/mlocate-updatedb.timer
+%{_libexecdir}/mlocate-run-updatedb
 %{_bindir}/updatedb
 %{_mandir}/man*/*
 %dir %attr(0750,root,slocate) %{_localstatedir}/lib/mlocate
 %ghost %attr(0640,root,slocate) %{_localstatedir}/lib/mlocate/mlocate.db
 
 %changelog
+* Tue Jun  9 2015 Michal Sekletar <msekleta@redhat.com> - 0.26-11
+- migrate from cron job to systemd timer
+
 * Tue May 26 2015 Michal Sekletar <msekleta@redhat.com> - 0.26-10
 - prune path /var/lib/ceph (#1223582)