packaging: added rpm posttrans script to fix config file change, fixes #7686

packaging/rpm/control/postinst

@@ -68,13 +68,6 @@ if [ $1 -eq 1 ] ; then
     echo " sudo service grafana-server start"
   fi
 elif [ $1 -ge 2 ] ; then
-  if [ -x /opt/grafana/ ]; then
-    echo "### Upgrading Notice ### "
-    echo "-- New grafana install home is /usr/share/grafana"
-    echo "-- Please move sqlite3 database to /var/lib/grafana/"
-    echo "-- Notice: service name && binary changed to grafana-server"
-  fi
-
   if [ "$RESTART_ON_UPGRADE" == "true" ]; then
     stopGrafana
     startGrafana

packaging/rpm/control/posttrans

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -e
+
+echo "POSTTRANS: Running script"
+
+[ -f /etc/sysconfig/grafana-server ] && . /etc/sysconfig/grafana-server
+
+# copy config files if missing
+if [ ! -f /etc/grafana/grafana.ini ]; then
+  echo "POSTTRANS: Config file not found"
+
+  if [ -f /etc/grafana/grafana.ini.rpmsave ]; then
+    echo "POSTTRANS: /etc/grafana/grafana.ini.rpmsave config file found."
+    mv /etc/grafana/grafana.ini.rpmsave /etc/grafana/grafana.ini
+    echo "POSTTRANS: /etc/grafana/grafana.ini restored"
+
+    if [ -f /etc/grafana/ldap.toml.rpmsave ]; then
+      echo "POSTTRANS: /etc/grafana/ldap.toml.rpmsave found"
+      mv /etc/grafana/ldap.toml.rpmsave /etc/grafana/ldap.toml
+      echo "POSTTRANS: /etc/grafana/ldap.toml restored"
+    fi
+
+    echo "POSTTRANS: Restoring config file permissions"
+    chown -Rh root:$GRAFANA_GROUP /etc/grafana/*
+    chmod 755 /etc/grafana
+    find /etc/grafana -type f -exec chmod 640 {} ';'
+    find /etc/grafana -type d -exec chmod 755 {} ';'
+  fi
+fi
+
+