commit 89b75046e67bfe58985a64db4cc29fc6c0784f44
Author: Gao,Yan <ygao@suse.com>
Date:   Wed Jan 29 14:07:44 2014 +0800

    Feature: pengine: Support id-ref in nvpair with optional "name" for resource instance attributes
    
    If "name" isn't specified, it inherits the name from the referenced
    nvpair.

diff --git a/lib/pengine/rules.c b/lib/pengine/rules.c
index f80aa47..626d7b2 100644
--- a/lib/pengine/rules.c
+++ b/lib/pengine/rules.c
@@ -607,7 +607,7 @@ sort_pairs(gconstpointer a, gconstpointer b)
 }
 
 static void
-populate_hash(xmlNode * nvpair_list, GHashTable * hash, gboolean overwrite)
+populate_hash(xmlNode * nvpair_list, GHashTable * hash, gboolean overwrite, xmlNode * top)
 {
     const char *name = NULL;
     const char *value = NULL;
@@ -622,10 +622,18 @@ populate_hash(xmlNode * nvpair_list, GHashTable * hash, gboolean overwrite)
 
     for (an_attr = __xml_first_child(list); an_attr != NULL; an_attr = __xml_next(an_attr)) {
         if (crm_str_eq((const char *)an_attr->name, XML_CIB_TAG_NVPAIR, TRUE)) {
+            xmlNode *ref_nvpair = expand_idref(an_attr, top);
+
             name = crm_element_value(an_attr, XML_NVPAIR_ATTR_NAME);
+            if (name == NULL) {
+                name = crm_element_value(ref_nvpair, XML_NVPAIR_ATTR_NAME);
+            }
 
             crm_trace("Setting attribute: %s", name);
             value = crm_element_value(an_attr, XML_NVPAIR_ATTR_VALUE);
+            if (value == NULL) {
+                value = crm_element_value(ref_nvpair, XML_NVPAIR_ATTR_VALUE);
+            }
 
             if (name == NULL || value == NULL) {
                 continue;
@@ -657,6 +665,7 @@ struct unpack_data_s {
     GHashTable *node_hash;
     GHashTable *hash;
     crm_time_t *now;
+    xmlNode *top;
 };
 
 static void
@@ -670,7 +679,7 @@ unpack_attr_set(gpointer data, gpointer user_data)
     }
 
     crm_trace("Adding attributes from %s", pair->name);
-    populate_hash(pair->attr_set, unpack_data->hash, unpack_data->overwrite);
+    populate_hash(pair->attr_set, unpack_data->hash, unpack_data->overwrite, unpack_data->top);
 }
 
 void
@@ -717,6 +726,7 @@ unpack_instance_attributes(xmlNode * top, xmlNode * xml_obj, const char *set_nam
         data.node_hash = node_hash;
         data.now = now;
         data.overwrite = overwrite;
+        data.top = top;
     }
 
     sorted = g_list_sort(unsorted, sort_pairs);
diff --git a/xml/Makefile.am b/xml/Makefile.am
index 4a7381b..eb99270 100644
--- a/xml/Makefile.am
+++ b/xml/Makefile.am
@@ -26,7 +26,7 @@ RNG_FILES		= $(VERSIONED_RNG_FILES:%.rng=%-1.0.rng)	\
 			  $(VERSIONED_RNG_FILES:%.rng=%-1.1.rng)	\
 			  $(VERSIONED_RNG_FILES:%.rng=%-1.2.rng)	\
 			  pacemaker.rng versions.rng score.rng rule.rng nvset.rng \
-			  acls-1.1.rng acls-1.2.rng fencing.rng
+			  acls-1.1.rng acls-1.2.rng fencing.rng nvset-nvpair-ref.rng
 
 EXTRA_DIST		= crm-1.0.dtd $(dtd_SCRIPTS)
 dtd_SCRIPTS		= crm.dtd $(RNG_FILES) upgrade06.xsl crm-transitional.dtd
diff --git a/xml/nvset-nvpair-ref.rng b/xml/nvset-nvpair-ref.rng
new file mode 100644
index 0000000..8f1696c
--- /dev/null
+++ b/xml/nvset-nvpair-ref.rng
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- types: http://www.w3.org/TR/xmlschema-2/#dateTime -->
+<grammar xmlns="http://relaxng.org/ns/structure/1.0" 
+         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
+  <start>
+    <ref name="element-nvset"/>
+  </start>
+
+  <define name="element-nvset">
+   <choice>
+   <attribute name="id-ref"><data type="IDREF"/></attribute>
+   <group>
+    <attribute name="id"><data type="ID"/></attribute>
+    <interleave>
+      <optional>
+	<externalRef href="rule.rng"/>
+      </optional>
+	<zeroOrMore>
+	  <element name="nvpair">
+	    <choice>
+	      <group>
+	        <attribute name="id-ref"><data type="IDREF"/></attribute>
+	        <optional>
+	          <attribute name="name"><text/></attribute>
+	        </optional>
+	      </group>
+	      <group>
+	        <attribute name="id"><data type="ID"/></attribute>
+	        <attribute name="name"><text/></attribute>
+	        <optional>
+	          <attribute name="value"><text/></attribute>
+	        </optional>
+	      </group>
+	    </choice>
+	  </element>
+	</zeroOrMore>
+      <optional>
+	<externalRef href="score.rng"/>
+      </optional>
+    </interleave>
+   </group>
+   </choice>
+  </define>
+
+</grammar>
diff --git a/xml/resources-1.1.rng b/xml/resources-1.1.rng
index 81a8f82..3eb6824 100644
--- a/xml/resources-1.1.rng
+++ b/xml/resources-1.1.rng
@@ -145,7 +145,7 @@
 	    <externalRef href="nvset.rng"/>
 	  </element>
 	  <element name="instance_attributes">
-	    <externalRef href="nvset.rng"/>
+	    <externalRef href="nvset-nvpair-ref.rng"/>
 	  </element>
 	</choice>
       </zeroOrMore>