Package coredns for redhat systems (#21) (#251)

Signed-off-by: SayfEddine <sayf-eddine.hammemi@scality.com>

Signed-off-by: SayfEddine <sayf-eddine.hammemi@scality.com>

Makefile

@@ -2,6 +2,9 @@
 
 # ARCH can be and default to amd64 is not set.
 ARCH := amd64 armhf arm64
+redhat-packages-dist := $(patsubst %.centos,%,$(shell rpm --eval "%{dist}"))
+mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
+mkfile_dir := $(dir $(mkfile_path))
 
 ifeq ($(ARCH),)
     ARCH:=amd64
@@ -15,3 +18,14 @@ debian:
 
 debian-clean:
 	rm *.tgz
+
+.PHONY: redhat
+redhat:
+	rpmbuild --undefine=_disable_source_fetch -ba \
+		--verbose $(mkfile_dir)/redhat/SPECS/coredns.spec \
+		--define "_topdir $(mkfile_dir)/redhat" --define "dist $(redhat-packages-dist)"
+
+redhat-clean:
+	rm -r $(mkfile_dir)/redhat/RPMS/*
+	rm -r $(mkfile_dir)/redhat/SRPMS/*
+	rm -r $(mkfile_dir)/redhat/BUILD/*

redhat/SOURCES/coredns.default

@@ -0,0 +1 @@
+EXTRA_ARGS=

redhat/SOURCES/coredns.service

@@ -0,0 +1,17 @@
+[Unit]
+After=network.target
+Description=coredns server
+Documentation=http://coredns.io
+
+[Service]
+User=coredns
+Type=simple
+EnvironmentFile=/etc/sysconfig/coredns
+ExecStart=/usr/bin/coredns --conf=/etc/coredns/Corefile $EXTRA_ARGS
+ExecReload=/bin/kill -HUP $MAINPID
+Restart=on-failure
+RestartSec=10
+SuccessExitStatus=0
+
+[Install]
+WantedBy=multi-user.target

redhat/SPECS/coredns.spec

@@ -0,0 +1,72 @@
+# Specfile for CoreDNS package
+#
+
+%define debug_package %{nil}
+
+Name: coredns
+Summary: CoreDNS is a DNS server that chains plugins
+Version: 1.8.4
+Release: 1%{?dist}
+License: ASL 2.0
+Packager: <sayf-eddine.hammemi@scality.com>
+Group: System Environment/Base
+URL: https://coredns.io
+Source0: https://github.com/coredns/%{name}/releases/download/v%{version}/%{name}_%{version}_linux_amd64.tgz
+Source1: coredns.service
+Source2: coredns.default
+Source3: Corefile
+BuildArch: x86_64
+BuildRoot: %{_tmppath}/%{name}-root
+
+Requires(pre): shadow-utils
+%{?systemd_requires}
+
+%description
+
+CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. If some functionality is not provided out of the box you can add it by writing a plugin.
+
+%prep
+%setup -c
+cp %{SOURCE1} .
+cp %{SOURCE2} .
+cp %{SOURCE3} .
+%build
+# Nothing to build
+
+%install
+rm -rf %{buildroot}
+install -D -m 755 coredns %{buildroot}%{_bindir}/coredns
+install -D -m 644 %{SOURCE3} %{buildroot}%{_sysconfdir}/coredns/Corefile
+
+install -D -m 644 %{SOURCE1} %{buildroot}%{_unitdir}/coredns.service
+install -D -m 644 %{SOURCE2} %{buildroot}%{_sysconfdir}/sysconfig/coredns
+
+%clean
+rm -rf %{buildroot}
+
+%pre
+getent group coredns >/dev/null || groupadd -r coredns
+getent passwd coredns >/dev/null || \
+  useradd -r -g coredns -s /sbin/nologin \
+          -c "CoreDNS services" coredns
+exit 0
+
+%post
+%systemd_post coredns.service
+
+%preun
+%systemd_preun coredns.service
+
+%postun
+%systemd_postun coredns.service
+
+%files
+%defattr(-,root,root,-)
+%{_unitdir}/coredns.service
+%{_bindir}/coredns
+%config(noreplace) %{_sysconfdir}/coredns/Corefile
+%config(noreplace) %{_sysconfdir}/sysconfig/coredns
+
+%changelog
+* Sun Jul 4 2021 SayfEddine HAMMEMI <sayf-eddine.hammemi@scality.com> 1.8.4
+- Package coredns 1.8.4