Add support for building RPMs on CentOS/RHEL 7

.gitignore

@@ -1,8 +1,6 @@
 *.autosave
 *.db
-*.diff
 *.o
-*.patch
 *.psp
 *.pyc
 *.pyo
@@ -11,6 +9,8 @@
 .DS_Store
 .idea
 .vscode
+/*.diff
+/*.patch
 /dist
 /debian-build
 /docker-build

pkg/linux/build-functions.sh

@@ -126,7 +126,11 @@ _build_docs() {
     cd "${SOURCEDIR}/docs/en_US"
     python3 build_code_snippet.py
     if [ $1 == "redhat" ]; then
-        PYTHONPATH=$PYTHONPATH:/usr/lib/python3.6/site-packages python3 -msphinx . "${SERVERROOT}/usr/${APP_NAME}/share/docs/en_US/html"
+        if [ "${OS_VERSION}" == "7" ]; then
+            PYTHONPATH=$PYTHONPATH:/usr/local/lib64/python3.6/site-packages:/usr/local/lib/python3.6/site-packages:/usr/lib/python3.6/site-packages python3 /usr/local/bin/sphinx-build . "${SERVERROOT}/usr/${APP_NAME}/share/docs/en_US/html"
+        else
+            PYTHONPATH=$PYTHONPATH:/usr/lib/python3.6/site-packages python3 -msphinx . "${SERVERROOT}/usr/${APP_NAME}/share/docs/en_US/html"
+        fi
     else
         PYTHONPATH=$PYTHONPATH:/usr/lib/python3/:/usr/lib/python3/dist-packages python3 -msphinx . "${SERVERROOT}/usr/${APP_NAME}/share/docs/en_US/html"
     fi

pkg/redhat/build.sh

@@ -34,6 +34,11 @@ cat << EOF > "${BUILDROOT}/server.spec"
 %global __requires_exclude_from ^/.*$
 %global __provides_exclude_from ^/.*$
 
+# Bytecompiling Python 3 doesn't work on RHEL/CentOS 7, so make it a no-op
+%if 0%{?rhel} && 0%{?rhel} == 7
+%define __python /bin/true
+%endif
+
 %undefine __brp_mangle_shebangs
 %undefine __brp_ldconfig
 
@@ -43,8 +48,12 @@ Release:	1%{?dist}
 Summary:	The core server package for pgAdmin.
 License:	PostgreSQL
 URL:		https://www.pgadmin.org/
+%if 0%{?rhel} && 0%{?rhel} != 7
 Requires:	python3, libpq
 Recommends:	postgresql
+%else
+Requires:	python3, postgresql
+%endif
 
 %description
 The core server package for pgAdmin. pgAdmin is the most popular and feature rich Open Source administration and development platform for PostgreSQL, the most advanced Open Source database in the world.
@@ -82,7 +91,6 @@ Summary:	The desktop user interface for pgAdmin.
 License:	PostgreSQL
 URL:		https://www.pgadmin.org/
 Requires:	${APP_NAME}-server, qt5-qtbase, qt5-qtbase-gui
-Recommends:	gnome-shell-extension-topicons-plus gnome-shell
 
 %description
 The desktop user interface for pgAdmin. pgAdmin is the most popular and feature rich Open Source administration and development platform for PostgreSQL, the most advanced Open Source database in the world.
@@ -122,7 +130,11 @@ Release:	1%{?dist}
 Summary:	The web interface for pgAdmin, hosted under Apache HTTPD.
 License:	PostgreSQL
 URL:		https://www.pgadmin.org/
+%if 0%{?rhel} && 0%{?rhel} == 7
+Requires:	${APP_NAME}-server, httpd, pgadmin4-python3-mod_wsgi
+%else
 Requires:	${APP_NAME}-server, httpd, python3-mod_wsgi
+%endif
 
 %description
 The web interface for pgAdmin, hosted under Apache HTTPD. pgAdmin is the most popular and feature rich Open Source administration and development platform for PostgreSQL, the most advanced Open Source database in the world.
@@ -181,9 +193,21 @@ EOF
 # Build the Redhat package for the meta package
 rpmbuild --define "pga_build_root ${BUILDROOT}" -bb "${BUILDROOT}/meta.spec"
 
+#
+# mod_wsgi for CentOS 7
+#
+if [ ${OS_VERSION} == 7 ]; then
+    cp "${SOURCEDIR}/pkg/redhat/pgadmin4-python3-mod_wsgi-exports.patch" ${HOME}/rpmbuild/SOURCES
+    cp "${SOURCEDIR}/pkg/redhat/pgadmin4-python3-mod_wsgi.conf" ${HOME}/rpmbuild/SOURCES
+    curl -o ${HOME}/rpmbuild/SOURCES/mod_wsgi-4.7.1.tar.gz https://codeload.github.com/GrahamDumpleton/mod_wsgi/tar.gz/4.7.1
+    rpmbuild -bb "${SOURCEDIR}/pkg/redhat/pgadmin4-python-mod_wsgi.spec"
+fi
+
 #
 # Get the results!
 #
 cp ${HOME}/rpmbuild/RPMS/${OS_ARCH}/${APP_NAME}-*${APP_LONG_VERSION}-*.${OS_ARCH}.rpm "${DISTROOT}/"
 cp ${HOME}/rpmbuild/RPMS/noarch/${APP_NAME}-*${APP_LONG_VERSION}-*.noarch.rpm "${DISTROOT}/"
-
+if [ ${OS_VERSION} == 7 ]; then
+    cp ${HOME}/rpmbuild/RPMS/${OS_ARCH}/pgadmin4-python3-mod_wsgi-4.7.1-2.el7.x86_64.rpm "${DISTROOT}/"
+fi

pkg/redhat/pgadmin4-python-mod_wsgi.spec

@@ -0,0 +1,71 @@
+%global sname mod_wsgi
+
+%{!?_httpd_apxs: %{expand: %%global _httpd_apxs %%{_sbindir}/apxs}}
+
+%{!?_httpd_mmn: %{expand: %%global _httpd_mmn %%(cat %{_includedir}/httpd/.mmn 2>/dev/null || echo 0-0)}}
+%{!?_httpd_confdir:    %{expand: %%global _httpd_confdir    %%{_sysconfdir}/httpd/conf.d}}
+# /etc/httpd/conf.d with httpd < 2.4 and defined as /etc/httpd/conf.modules.d with httpd >= 2.4
+%{!?_httpd_modconfdir: %{expand: %%global _httpd_modconfdir %%{_sysconfdir}/httpd/conf.d}}
+%{!?_httpd_moddir: %{expand: %%global _httpd_moddir    %%{_libdir}/httpd/modules}}
+
+%global debug_package %{nil}
+
+Name:		pgadmin4-python3-%{sname}
+Version:	4.7.1
+Release:	2%{?dist}
+Summary:	A WSGI interface for Python web applications in Apache (customized for pgAdmin4)
+License:	ASL 2.0
+URL:		https://modwsgi.readthedocs.io/
+Source0:	https://github.com/GrahamDumpleton/%{sname}/archive/%{version}.tar.gz#/mod_wsgi-%{version}.tar.gz
+Source2:	%{name}.conf
+Patch1:		%{name}-exports.patch
+
+Requires:	httpd-mmn = %{_httpd_mmn}
+BuildRequires:	python3-devel
+BuildRequires:	httpd-devel
+BuildRequires:	gcc
+
+# Suppress auto-provides for module DSO
+%{?filter_provides_in: %filter_provides_in %{_httpd_moddir}/.*\.so$}
+%{?filter_setup}
+
+%global _description\
+The mod_wsgi adapter is an Apache module that provides a WSGI compliant\
+interface for hosting Python based web applications within Apache. The\
+adapter is written completely in C code against the Apache C runtime and\
+for hosting WSGI applications within Apache has a lower overhead than using\
+existing WSGI adapters for mod_python or CGI.\
+
+%description %_description
+
+%prep
+%autosetup -p1 -n %{sname}-%{version}
+
+%build
+export LDFLAGS="$RPM_LD_FLAGS -L%{_libdir}"
+export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
+
+%configure --enable-shared --with-apxs=%{_httpd_apxs} --with-python=python3
+%{__make} %{?_smp_mflags}
+%{_bindir}/python3 setup.py build
+
+%install
+%{__make} install DESTDIR=%{buildroot} LIBEXECDIR=%{_httpd_moddir}
+%{__install} -d -m 755 %{buildroot}%{_httpd_modconfdir}
+%{__install} -p -m 644 %{SOURCE2} %{buildroot}%{_httpd_modconfdir}/10-pgadmin4-python3-mod_wsgi.conf
+%{_bindir}/python3 setup.py install -O1 --skip-build --root %{buildroot}
+%{__mv} %{buildroot}%{_httpd_moddir}/mod_wsgi.so %{buildroot}%{_httpd_moddir}/pgadmin4-python3-mod_wsgi.so
+%{__mv} %{buildroot}%{_bindir}/mod_wsgi-express %{buildroot}%{_bindir}/pgadmin4-mod_wsgi-express-3
+
+%files
+%license LICENSE
+%doc CREDITS.rst README.rst
+%config(noreplace) %{_httpd_modconfdir}/*pgadmin4-python3-mod_wsgi.conf
+%{_httpd_moddir}/pgadmin4-python3-mod_wsgi.so
+%{python3_sitearch}/mod_wsgi-*.egg-info
+%{python3_sitearch}/mod_wsgi
+%{_bindir}/pgadmin4-mod_wsgi-express-3
+
+%changelog
+* Fri Mar 6 2020 Devrim Gündüz <devrim@gunduz.org> - 4.6.8-2
+- Initial packaging for the PostgreSQL YUM repository

pkg/redhat/pgadmin4-python3-mod_wsgi-exports.patch

@@ -0,0 +1,11 @@
+--- mod_wsgi-4.5.20/Makefile.in.exports
++++ mod_wsgi-4.5.20/Makefile.in
+@@ -28,7 +28,7 @@
+ all : src/server/mod_wsgi.la
+ 
+ src/server/mod_wsgi.la : $(SRCFILES)
+-	$(APXS) -c $(CPPFLAGS) $(CFLAGS) $(SRCFILES) $(LDFLAGS) $(LDLIBS)
++	$(APXS) -Wl,-export-symbols-regex -Wl,wsgi_module -c $(CPPFLAGS) $(CFLAGS) $(SRCFILES) $(LDFLAGS) $(LDLIBS)
+ 
+ $(DESTDIR)$(LIBEXECDIR) :
+ 	mkdir -p $@

pkg/redhat/pgadmin4-python3-mod_wsgi.conf

@@ -0,0 +1,4 @@
+<IfModule !wsgi_module>
+    LoadModule wsgi_module modules/pgadmin4-python3-mod_wsgi.so
+</IfModule>
+

pkg/redhat/setup.sh

@@ -5,8 +5,10 @@ if [ "$EUID" -ne 0 ]
   exit 1
 fi
 
+OS_VERSION=$(cat /etc/os-release | grep "^VERSION_ID=" | awk -F "=" '{ print $2 }' | sed 's/"//g')
+
 # EPEL & other repos
-yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
+yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-${OS_VERSION}.noarch.rpm
 yum config-manager --enable PowerTools AppStream BaseOS *epel
 
 # Node repo
@@ -20,7 +22,15 @@ curl --silent --location https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yu
 # Install pre-reqs
 echo "Installing build pre-requisites..."
 yum groupinstall -y "Development Tools"
-yum install -y fakeroot qt5-qtbase-devel libpq-devel python3-devel python3-sphinx nodejs yarn
+
+if [ ${OS_VERSION} == 7 ]; then
+    yum install -y fakeroot httpd-devel qt5-qtbase-devel postgresql-devel python3-devel nodejs yarn
+    pip3 install sphinx
+else
+    yum install -y fakeroot qt5-qtbase-devel libpq-devel python3-devel python3-sphinx nodejs yarn
+fi
+
+