[RH8] RHEL 8 Service node automatic installation (#6041)

* Update tftp dependency

* Update service node package lists for RHEL 8

* Fix typo in `Configure PostgreSQL' page

* Rewrite the description of package xCATsn

docs/source/advanced/hierarchy/databases/postgres_configure.rst

@@ -24,8 +24,8 @@ If you had the following two service nodes: ::
 
 You would add the following to ``/var/lib/pgsql/data/pg_hba.conf`` ::
 
-    host    all          all        192.168.1.10/24      md5
-    host    all          all        192.168.1.11/24      md5
+    host    all          all        192.168.1.10/32      md5
+    host    all          all        192.168.1.11/32      md5
 
 Restart PostgreSQL after editing the file: ::
 

xCAT-server/share/xcat/install/rh/service.rhels8.pkglist

@@ -1 +0,0 @@
-compute.rhels8.pkglist

xCAT-server/share/xcat/install/rh/service.rhels8.pkglist

@@ -0,0 +1,12 @@
+@^minimal-environment
+chrony
+net-tools
+nfs-utils
+openssh-server
+rsync
+util-linux
+wget
+mariadb-connector-odbc
+perl-DBD-MySQL
+perl-DBD-Pg
+unixODBC

xCAT-server/share/xcat/netboot/rh/service.rhels8.ppc64le.pkglist

@@ -0,0 +1,35 @@
+bash
+bc
+bzip2
+chrony
+coreutils
+curl
+dhcp-client
+dracut
+dracut-network
+e2fsprogs
+ethtool
+file
+gzip
+hostname
+iputils
+irqbalance
+kernel
+lsvpd
+net-tools
+nfs-utils
+openssh-clients
+openssh-server
+openssl
+parted
+procps-ng
+rpm
+rsync
+rsyslog
+tar
+util-linux
+vim-minimal
+xz
+wget
+perl-DBD-MySQL
+perl-DBD-Pg

xCAT-server/share/xcat/netboot/rh/service.rhels8.x86_64.pkglist

@@ -0,0 +1,34 @@
+bash
+bc
+bzip2
+chrony
+coreutils
+curl
+dhcp-client
+dracut
+dracut-network
+e2fsprogs
+ethtool
+file
+gzip
+hostname
+iputils
+irqbalance
+kernel
+net-tools
+nfs-utils
+openssh-clients
+openssh-server
+openssl
+parted
+procps-ng
+rpm
+rsync
+rsyslog
+tar
+util-linux
+vim-minimal
+xz
+wget
+perl-DBD-MySQL
+perl-DBD-Pg

xCATsn/xCATsn.spec

@@ -40,7 +40,7 @@ Requires: /usr/sbin/dhcpd
 # On RHEL this pulls in openssh-server, on SLES it pulls in openssh
 Requires: /usr/bin/ssh
 %ifnarch s390x
-Requires: /etc/xinetd.d/tftp
+Requires: /usr/sbin/in.tftpd
 # Stty is only needed for rcons on ppc64 nodes, but for mixed clusters require it on both x and p
 Requires: perl-IO-Stty
 %endif
@@ -81,9 +81,10 @@ Requires: syslinux-xcat
 %endif
 
 %description
-xCATsn is a service node management package intended for at-scale management,
-including hardware management and software management.
-
+xCAT supports management of very large sized cluster by creating a Hierarchical
+Cluster and the concept of xCAT Service Nodes. The xCAT Management Node can
+delegate all management operational needs to the Service Node responsible for a
+set of compute node. xCATsn package provides xCAT service node support.
 
 %prep
 %ifos linux