rpm: migrate to new user/group name

Signed-off-by: Kentaro Hayashi <[email protected]>

Author: kenhys

fluent-package/yum/fluent-package.spec.in

@@ -139,14 +139,34 @@ mkdir -p %{buildroot}/tmp/@PACKAGE_DIR@
 
 %pre
 if ! getent group @COMPAT_SERVICE_NAME@ >/dev/null; then
-    /usr/sbin/groupadd -r @COMPAT_SERVICE_NAME@
+    if ! getent group @SERVICE_NAME@ >/dev/null; then
+        /usr/sbin/groupadd -r @SERVICE_NAME@
+    fi
+else
+    if ! getent group @SERVICE_NAME@ >/dev/null; then
+       /usr/sbin/groupmod --new-name @SERVICE_NAME@ @COMPAT_SERVICE_NAME@
+    fi
 fi
 if ! getent passwd @COMPAT_SERVICE_NAME@ >/dev/null; then
+    if ! getent passwd @SERVICE_NAME@ >/dev/null; then
 %if %{use_suse}
-    /usr/sbin/useradd -r -g @COMPAT_SERVICE_NAME@ -d %{_localstatedir}/lib/@PACKAGE_DIR@ -s /sbin/nologin -c '@COMPAT_SERVICE_NAME@' @COMPAT_SERVICE_NAME@
+        /usr/sbin/useradd -r -g @SERVICE_NAME@ -d %{_localstatedir}/lib/@PACKAGE_DIR@ -s /sbin/nologin -c '@SERVICE_NAME@' @SERVICE_NAME@
 %else
-    /usr/sbin/adduser -r -g @COMPAT_SERVICE_NAME@ -d %{_localstatedir}/lib/@PACKAGE_DIR@ -s /sbin/nologin -c '@COMPAT_SERVICE_NAME@' @COMPAT_SERVICE_NAME@
+        /usr/sbin/adduser -r -g @SERVICE_NAME@ -d %{_localstatedir}/lib/@PACKAGE_DIR@ -s /sbin/nologin -c '@SERVICE_NAME@' @SERVICE_NAME@
 %endif
+    fi
+else
+    if ! getent passwd @SERVICE_NAME@ >/dev/null; then
+       systemctl is-active @COMPAT_SERVICE_NAME@
+       if [ $? -eq 0 ]; then
+           # Avoid renaming with running process
+	   systemctl stop @[email protected]
+           /usr/sbin/usermod --login @SERVICE_NAME@ @COMPAT_SERVICE_NAME@
+           systemctl start @[email protected]
+       else
+           /usr/sbin/usermod --login @SERVICE_NAME@ @COMPAT_SERVICE_NAME@
+       fi
+    fi
 fi
 
 %preun