File 0001-Fix-scheduler-don-t-show-pending-nodes-as-having-3.1.patch of Package pacemaker.36842

From 585f08412797a5a80a71fe19e52294290fbb41f4 Mon Sep 17 00:00:00 2001
From: Ken Gaillot <kgaillot@redhat.com>
Date: Wed, 25 Oct 2023 08:57:21 -0500
Subject: [PATCH] Fix: scheduler: don't show pending nodes as having "<3.15.1"
 feature set

When a node's controller completes the join process, it sets the #feature-set
node attribute, which is used in status displays to detect mixed-version
clusters.

Previously, the status displays used "<3.15.1" if the node was online (joined
at the cluster layer) but had no #feature-set attribute. However, this will
also be the case when the node is pending (coming up between when it has joined
the cluster layer and completed the join process, and going down between when
it has left the controller group and the cluster layer).

Now, show "<3.15.1" only if the node has completed the join process.
---
 lib/pengine/pe_output.c | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

Index: pacemaker-2.1.5+20221208.a3f44794f/lib/pengine/pe_output.c
===================================================================
--- pacemaker-2.1.5+20221208.a3f44794f.orig/lib/pengine/pe_output.c
+++ pacemaker-2.1.5+20221208.a3f44794f/lib/pengine/pe_output.c
@@ -309,20 +309,31 @@ resource_history_string(pe_resource_t *r
     return buf;
 }
 
+/*!
+ * \internal
+ * \brief Get a node's feature set for status display purposes
+ *
+ * \param[in] node  Node to check
+ *
+ * \return String representation of feature set if the node is fully up (using
+ *         "<3.15.1" for older nodes that don't set the #feature-set attribute),
+ *         otherwise NULL
+ */
 static const char *
-get_node_feature_set(pe_node_t *node) {
-    const char *feature_set = NULL;
+get_node_feature_set(const pe_node_t *node)
+{
+    if (node->details->online && node->details->expected_up
+        && !pe__is_guest_or_remote_node(node)) {
 
-    if (node->details->online && !pe__is_guest_or_remote_node(node)) {
-        feature_set = g_hash_table_lookup(node->details->attrs,
-                                          CRM_ATTR_FEATURE_SET);
-        /* The feature set attribute is present since 3.15.1. If it is missing
-         * then the node must be running an earlier version. */
-        if (feature_set == NULL) {
-            feature_set = "<3.15.1";
-        }
+        const char *feature_set = g_hash_table_lookup(node->details->attrs,
+                                                      CRM_ATTR_FEATURE_SET);
+
+        /* The feature set attribute is present since 3.15.1. If it is missing,
+         * then the node must be running an earlier version.
+         */
+        return pcmk__s(feature_set, "<3.15.1");
     }
-    return feature_set;
+    return NULL;
 }
 
 static bool