migrate cronjob to systemd timer unit (#1177285)

- change the period for unbound-anchor from monthly to daily (#1180267)
- Thanks to Tomasz Torcz <ttorcz@fedoraproject.org> for the initial patch

Signed-off-by: Tomas Hozza <thozza@redhat.com>

unbound-anchor.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=update of the root trust anchor for DNSSEC validation in unbound
+Documentation=man:unbound-anchor(8)
+
+[Service]
+Type=oneshot
+User=unbound
+ExecStart=/usr/sbin/unbound-anchor -a /var/lib/unbound/root.key -c /etc/unbound/icannbundle.pem
+SuccessExitStatus=1

unbound-anchor.timer

@@ -0,0 +1,14 @@
+[Unit]
+Description=daily update of the root trust anchor for DNSSEC
+Documentation=man:unbound-anchor(8)
+
+[Timer]
+# Current DNSKEY TTL in root zone is 172800 seconds, i.e. 172800/60/60/24 = 2 days.
+# It means that unboud-anchor should be run at least once a day.
+OnCalendar=daily
+Persistent=true
+AccuracySec=24h
+
+[Install]
+WantedBy=timers.target
+

unbound.cron

@@ -1,3 +0,0 @@
-# Look to see if the DNSSEC Root key got rolled, if so check trust and update
-
-10 3 1 * * unbound /usr/sbin/unbound-anchor -a /var/lib/unbound/root.anchor -c /etc/unbound/icannbundle.pem

unbound.service

@@ -3,13 +3,14 @@ Description=Unbound recursive Domain Name Server
 After=syslog.target network.target
 After=unbound-keygen.service
 Wants=unbound-keygen.service
+After=unbound-anchor.service
+Wants=unbound-anchor.service
 Before=nss-lookup.target
 Wants=nss-lookup.target
 
 [Service]
 Type=simple
 EnvironmentFile=-/etc/sysconfig/unbound
-ExecStartPre=/sbin/runuser --shell /bin/sh -c "/usr/sbin/unbound-anchor -a /var/lib/unbound/root.key -c /etc/unbound/icannbundle.pem" unbound
 ExecStartPre=/usr/sbin/unbound-checkconf
 ExecStart=/usr/sbin/unbound -d $UNBOUND_OPTIONS
 

unbound.spec

@@ -21,7 +21,7 @@
 Summary: Validating, recursive, and caching DNS(SEC) resolver
 Name: unbound
 Version: 1.5.3
-Release: 2%{?extra_version:.%{extra_version}}%{?dist}
+Release: 3%{?extra_version:.%{extra_version}}%{?dist}
 License: BSD
 Url: http://www.nlnetlabs.nl/unbound/
 Source: http://www.unbound.net/downloads/%{name}-%{version}%{?extra_version}.tar.gz
@@ -40,8 +40,9 @@ Source11: block-example.com.conf
 Source12: icannbundle.pem
 Source13: root.anchor
 Source14: unbound.sysconfig
-Source15: unbound.cron
+Source15: unbound-anchor.timer
 Source16: unbound-munin.README
+Source17: unbound-anchor.service
 
 # https://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=664
 Patch0:     0001-Use-print_function-also-for-Python2.patch
@@ -107,7 +108,6 @@ Group: Applications/System
 Requires(post): /sbin/ldconfig
 Requires(postun): /sbin/ldconfig
 Requires: openssl >= 0.9.8g-12
-Requires: crontabs
 
 %description libs
 Contains libraries used by the unbound server and client applications
@@ -224,12 +224,12 @@ popd
 install -d -m 0755 %{buildroot}%{_unitdir} %{buildroot}%{_sysconfdir}/sysconfig
 install -p -m 0644 %{SOURCE1} %{buildroot}%{_unitdir}/unbound.service
 install -p -m 0644 %{SOURCE7} %{buildroot}%{_unitdir}/unbound-keygen.service
+install -p -m 0644 %{SOURCE15} %{buildroot}%{_unitdir}/unbound-anchor.timer
+install -p -m 0644 %{SOURCE17} %{buildroot}%{_unitdir}/unbound-anchor.service
 install -p -m 0755 %{SOURCE2} %{buildroot}%{_sysconfdir}/unbound
 install -p -m 0644 %{SOURCE12} %{buildroot}%{_sysconfdir}/unbound
 install -p -m 0644 %{SOURCE14} %{buildroot}%{_sysconfdir}/sysconfig/unbound
 install -p -m 0644 %{SOURCE16} .
-install -d -m 0755 %{buildroot}%{_sysconfdir}/cron.d
-install -p -m 0644 %{SOURCE15}   %{buildroot}%{_sysconfdir}/cron.d/unbound-anchor
 %if %{with_munin}
 # Install munin plugin and its softlinks
 install -d -m 0755 %{buildroot}%{_sysconfdir}/munin/plugin-conf.d
@@ -306,16 +306,24 @@ useradd -r -g unbound -d %{_sysconfdir}/unbound -s /sbin/nologin \
 %post libs
 /sbin/ldconfig
 %{_sbindir}/runuser  --command="%{_sbindir}/unbound-anchor -a %{_sharedstatedir}/unbound/root.anchor -c %{_sysconfdir}/unbound/icannbundle.pem"  --shell /bin/sh unbound ||:
+%systemd_post unbound-anchor.timer
+# the Unit is in presets, but would be started afte reboot
+systemctl start unbound-anchor.timer
 
 %preun
 %systemd_preun unbound.service
 %systemd_preun unbound-keygen.service
 
+%preun libs
+%systemd_preun unbound-anchor.timer
+
 %postun
 %systemd_postun_with_restart unbound.service
 %systemd_postun unbound-keygen.service
 
-%postun libs -p /sbin/ldconfig
+%postun libs
+/sbin/ldconfig
+%systemd_postun_with_restart unbound-anchor.timer
 
 %triggerun -- unbound < 1.4.12-4
 # Save the current service runlevel info
@@ -413,7 +421,8 @@ popd
 %{_sbindir}/unbound-anchor
 %{_libdir}/libunbound.so.*
 %{_sysconfdir}/%{name}/icannbundle.pem
-%attr(0644,root,root) %{_sysconfdir}/cron.d/unbound-anchor
+%{_unitdir}/unbound-anchor.timer
+%{_unitdir}/unbound-anchor.service
 %dir %attr(0755,unbound,unbound) %{_sharedstatedir}/%{name}
 %attr(0644,unbound,unbound) %config(noreplace) %{_sharedstatedir}/%{name}/root.key
 %attr(0644,root,root) %config(noreplace) %{_sysconfdir}/%{name}/dlv.isc.org.key
@@ -422,6 +431,11 @@ popd
 
 
 %changelog
+* Mon Apr 27 2015 Tomas Hozza <thozza@redhat.com> - 1.5.3-3
+- migrate cronjob to systemd timer unit (#1177285)
+- change the period for unbound-anchor from monthly to daily (#1180267)
+- Thanks to Tomasz Torcz <ttorcz@fedoraproject.org> for the initial patch
+
 * Thu Apr 16 2015 Tomas Hozza <thozza@redhat.com> - 1.5.3-2
 - Fix FTBFS (#1206129)
 - Build python3-unbound and python-unbound bindings for Python 3 and 2 (#1188080)