Add documentation for generation RPM package from sources

docs/installation.rst

@@ -114,22 +114,23 @@ As a side note on http://pkg.cgrates.org/rpm/ one can find an entire archive of
 Using source
 ------------
 
-For developing CGRateS and switching between its versions, we are using the **go mods feature** introduced in go 1.14.
+For developing CGRateS and switching between its versions, we are using the **go mods feature** introduced in go 1.13.
 
+.. _InstallGO:
 
 Install GO Lang
 ^^^^^^^^^^^^^^^
 
 First we have to setup the GO Lang to our OS. Feel free to download 
 the latest GO binary release from https://golang.org/dl/
-In this Tutorial we are going to install Go 1.13
+In this Tutorial we are going to install Go 1.14.2
 
 ::
 
    sudo rm -rf /usr/local/go
    cd /tmp
    wget https://dl.google.com/go/go1.14.2.linux-amd64.tar.gz
-   sudo tar -xvf go1.14.2.linux-amd64.tar.gz -C /usr/loca~l/
+   sudo tar -xvf go1.14.2.linux-amd64.tar.gz -C /usr/local/
    export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
 
 
@@ -176,6 +177,38 @@ Install Custom Debian / Ubuntu Package
    sudo dpkg -i cgrates_*.deb
 
 
+Generate RPM Packages from Source
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Prerequisites
+ * :ref:`Install Golang <InstallGO>`
+ * Git
+
+   ::
+
+    sudo apt-get install git
+
+
+ * RPM
+
+   ::
+
+    sudo apt-get install rpm
+
+Execute the following commands
+
+::
+
+    cd $HOME/go/src/github.com/cgrates/cgrates
+    export gitLastCommit=$(git rev-parse HEAD)
+    export rpmTag=$(git log -1 --format=%ci | date +%Y%m%d%H%M%S)+$(git rev-parse --short HEAD)
+    mkdir -p $HOME/cgr_build/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
+    wget -P $HOME/cgr_build/SOURCES https://github.com/cgrates/cgrates/archive/$gitLastCommit.tar.gz
+    cp $HOME/go/src/github.com/cgrates/cgrates/packages/redhat_fedora/cgrates.spec $HOME/cgr_build/SPECS
+    cd $HOME/cgr_build
+    rpmbuild -bb --define "_topdir $HOME/cgr_build" SPECS/cgrates.spec
+
+
 .. _post-install:
 Post-install
 ------------

packages/redhat_fedora/cgrates.spec

@@ -1,7 +1,7 @@
-%global version 0.9.1
-%global git_commit c284710623aef128f97369833d3fa4cb29943613
+%global version 0.10.1~dev
+%global git_commit %(echo $gitLastCommit)
+%global releaseTag %(echo $rpmTag)
 
-%global git_short_commit %(c=%{git_commit}; echo ${c:0:7})
 %define debug_package  %{nil}
 %global _logdir	       /var/log/%name
 %global _spooldir      /var/spool/%name
@@ -9,7 +9,7 @@
 
 Name:           cgrates
 Version:        %{version}
-Release:        0.1.rc8.20180816git%{git_short_commit}%{dist}
+Release:        %{releaseTag}
 Summary:        Carrier Grade Real-time Charging System
 License:        GPLv3
 URL:            https://github.com/cgrates/cgrates
@@ -68,7 +68,6 @@ fi
 %endif
 
 %build
-export GO15VENDOREXPERIMENT=1
 export GOPATH=$RPM_BUILD_DIR/%{name}-%{version}
 cd $RPM_BUILD_DIR/%{name}-%{version}/src/github.com/cgrates/cgrates
 ./build.sh
@@ -83,12 +82,8 @@ install -D -m 0755 -p bin/cgr-engine $RPM_BUILD_ROOT%{_bindir}/cgr-engine
 install -D -m 0755 -p bin/cgr-loader $RPM_BUILD_ROOT%{_bindir}/cgr-loader
 install -D -m 0755 -p bin/cgr-tester $RPM_BUILD_ROOT%{_bindir}/cgr-tester
 install -D -m 0755 -p bin/cgr-migrator $RPM_BUILD_ROOT%{_bindir}/cgr-migrator
-mkdir -p $RPM_BUILD_ROOT%{_logdir}/cdrc/in
-mkdir -p $RPM_BUILD_ROOT%{_logdir}/cdrc/out
 mkdir -p $RPM_BUILD_ROOT%{_logdir}/cdre/csv
 mkdir -p $RPM_BUILD_ROOT%{_logdir}/cdre/fwv
-mkdir -p $RPM_BUILD_ROOT%{_spooldir}/cdrc/in
-mkdir -p $RPM_BUILD_ROOT%{_spooldir}/cdrc/out
 mkdir -p $RPM_BUILD_ROOT%{_spooldir}/cdre/csv
 mkdir -p $RPM_BUILD_ROOT%{_spooldir}/cdre/fwv
 mkdir -p $RPM_BUILD_ROOT%{_spooldir}/tpe
@@ -118,13 +113,5 @@ install -D -m 0644 -p src/github.com/cgrates/cgrates/packages/redhat_fedora/%{na
 %endif
 
 %clean
-rm -rf $RPM_BUILD_DIR/%{name}-%{version}
-rm -rf $RPM_BUILD_ROOT
-
-%changelog
-* Sun Aug 19 2018 Sergei Lavrov <ccppprogrammer@gmail.com> 0.9.1-0.1.rc8.20180816gitc284710
-- Update version according to Guidelines for Versioning Fedora Packages
-- Add cgr-migrator
-
-* Mon Sep 28 2015 Nick Altmann <nick.altmann@gmail.com> 0.9.1rc7-1
-- Initial rhel/fedora specification
+sudo rm -rf $RPM_BUILD_DIR/%{name}-%{version}
+sudo rm -rf $RPM_BUILD_ROOT