From ed5e7eea8172069f41c8274f10f3cdd1c09fed41 Mon Sep 17 00:00:00 2001
From: Ken Gaillot <kgaillot@redhat.com>
Date: Feb 24 2021 16:08:55 +0000
Subject: Refactor: scheduler: add and parse "critical" resource meta-attribute


Semantics not yet implemented.

---

diff --git a/include/crm/msg_xml.h b/include/crm/msg_xml.h
index c8b528b..d5ac418 100644
--- a/include/crm/msg_xml.h
+++ b/include/crm/msg_xml.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.
  *
@@ -217,6 +217,7 @@ extern "C" {
 #  define XML_RSC_ATTR_REMOTE_RA_ADDR   "addr"
 #  define XML_RSC_ATTR_REMOTE_RA_SERVER "server"
 #  define XML_RSC_ATTR_REMOTE_RA_PORT   "port"
+#  define XML_RSC_ATTR_CRITICAL         "critical"
 
 #  define XML_REMOTE_ATTR_RECONNECT_INTERVAL "reconnect_interval"
 
diff --git a/include/crm/pengine/pe_types.h b/include/crm/pengine/pe_types.h
index 1416cee..7d90c42 100644
--- a/include/crm/pengine/pe_types.h
+++ b/include/crm/pengine/pe_types.h
@@ -251,6 +251,7 @@ struct pe_node_s {
 #  define pe_rsc_stop                       0x00001000ULL
 #  define pe_rsc_reload                     0x00002000ULL
 #  define pe_rsc_allow_remote_remotes       0x00004000ULL
+#  define pe_rsc_critical                   0x00008000ULL
 
 #  define pe_rsc_failed                     0x00010000ULL
 #  define pe_rsc_runnable                   0x00040000ULL
diff --git a/lib/pengine/complex.c b/lib/pengine/complex.c
index cfb06bf..3e63510 100644
--- a/lib/pengine/complex.c
+++ b/lib/pengine/complex.c
@@ -561,6 +561,11 @@ common_unpack(xmlNode * xml_obj, pe_resource_t ** rsc,
     value = g_hash_table_lookup((*rsc)->meta, XML_CIB_ATTR_PRIORITY);
     (*rsc)->priority = crm_parse_int(value, "0");
 
+    value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_CRITICAL);
+    if ((value == NULL) || crm_is_true(value)) {
+        pe__set_resource_flags(*rsc, pe_rsc_critical);
+    }
+
     value = g_hash_table_lookup((*rsc)->meta, XML_RSC_ATTR_NOTIFY);
     if (crm_is_true(value)) {
         pe__set_resource_flags(*rsc, pe_rsc_notify);