diff --git a/include/crm/pengine/complex.h b/include/crm/pengine/complex.h
index effa44f..1d010f4 100644
--- a/include/crm/pengine/complex.h
+++ b/include/crm/pengine/complex.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2019 the Pacemaker project contributors
+ * Copyright 2004-2020 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
@@ -19,6 +19,9 @@ extern "C" {
 #include <crm/pengine/pe_types.h>   // pe_node_t, pe_resource_t, etc.
 
 extern resource_object_functions_t resource_class_functions[];
+
+GHashTable *pe_rsc_params(pe_resource_t *rsc, pe_node_t *node,
+                          pe_working_set_t *data_set);
 void get_meta_attributes(GHashTable * meta_hash, pe_resource_t *rsc,
                          pe_node_t *node, pe_working_set_t *data_set);
 void get_rsc_attributes(GHashTable *meta_hash, pe_resource_t *rsc,
diff --git a/include/crm/pengine/pe_types.h b/include/crm/pengine/pe_types.h
index 59d5ce8..5529714 100644
--- a/include/crm/pengine/pe_types.h
+++ b/include/crm/pengine/pe_types.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2020 the Pacemaker project contributors
+ * Copyright 2004-2021 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
@@ -371,6 +371,12 @@ struct pe_resource_s {
     pe_node_t *lock_node;       // Resource is shutdown-locked to this node
     time_t lock_time;           // When shutdown lock started
 
+    /* Resource parameters may have node-attribute-based rules, which means the
+     * values can vary by node. This table is a cache of parameter name/value
+     * tables for each node (as needed). Use pe_rsc_params() to get the table
+     * for a given node.
+     */
+    GHashTable *parameter_cache; // Key = node name, value = parameters table
 #if ENABLE_VERSIONED_ATTRS
     xmlNode *versioned_parameters;
 #endif
diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c
index f3c696a..fad8fe2 100644
--- a/lib/pengine/complex.c
+++ b/lib/pengine/complex.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2020 the Pacemaker project contributors
+ * Copyright 2004-2021 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
@@ -388,6 +388,62 @@ detect_promotable(pe_resource_t *rsc)
     return FALSE;
 }
 
+static void
+free_params_table(gpointer data)
+{
+    g_hash_table_destroy((GHashTable *) data);
+}
+
+/*!
+ * \brief Get a table of resource parameters
+ *
+ * \param[in] rsc       Resource to query
+ * \param[in] node      Node for evaluating rules (NULL for defaults)
+ * \param[in] data_set  Cluster working set
+ *
+ * \return Hash table containing resource parameter names and values
+ *         (or NULL if \p rsc or \p data_set is NULL)
+ * \note The returned table will be destroyed when the resource is freed, so
+ *       callers should not destroy it.
+ */
+GHashTable *
+pe_rsc_params(pe_resource_t *rsc, pe_node_t *node, pe_working_set_t *data_set)
+{
+    GHashTable *params_on_node = NULL;
+
+    /* A NULL node is used to request the resource's default parameters
+     * (not evaluated for node), but we always want something non-NULL
+     * as a hash table key.
+     */
+    const char *node_name = "";
+
+    // Sanity check
+    if ((rsc == NULL) || (data_set == NULL)) {
+        return NULL;
+    }
+    if ((node != NULL) && (node->details->uname != NULL)) {
+        node_name = node->details->uname;
+    }
+
+    // Find the parameter table for given node
+    if (rsc->parameter_cache == NULL) {
+        rsc->parameter_cache = g_hash_table_new_full(crm_strcase_hash,
+                                                     crm_strcase_equal, free,
+                                                     free_params_table);
+    } else {
+        params_on_node = g_hash_table_lookup(rsc->parameter_cache, node_name);
+    }
+
+    // If none exists yet, create one with parameters evaluated for node
+    if (params_on_node == NULL) {
+        params_on_node = crm_str_table_new();
+        get_rsc_attributes(params_on_node, rsc, node, data_set);
+        g_hash_table_insert(rsc->parameter_cache, strdup(node_name),
+                            params_on_node);
+    }
+    return params_on_node;
+}
+
 gboolean
 common_unpack(xmlNode * xml_obj, pe_resource_t ** rsc,
               pe_resource_t * parent, pe_working_set_t * data_set)
@@ -822,6 +878,9 @@ common_free(pe_resource_t * rsc)
     if (rsc->parameters != NULL) {
         g_hash_table_destroy(rsc->parameters);
     }
+    if (rsc->parameter_cache != NULL) {
+        g_hash_table_destroy(rsc->parameter_cache);
+    }
 #if ENABLE_VERSIONED_ATTRS
     if (rsc->versioned_parameters != NULL) {
         free_xml(rsc->versioned_parameters);