[Cluster-devel] cluster/rgmanager/src/daemons resrules.c

[lhh@sourceware.org <lhh@sourceware.org>]

CVSROOT:	/cvs/cluster
Module name:	cluster
Branch: 	RHEL4
Changes by:	lhh at sourceware.org	2006-10-20 20:29:40

Modified files:
	rgmanager/src/daemons: resrules.c 

Log message:
	Compatibility fix for resource agents between linux-cluster and linux-ha

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/rgmanager/src/daemons/resrules.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.9.2.2&r2=1.9.2.3

--- cluster/rgmanager/src/daemons/resrules.c	2005/03/21 22:01:30	1.9.2.2
+++ cluster/rgmanager/src/daemons/resrules.c	2006/10/20 20:29:39	1.9.2.3
@@ -19,10 +19,10 @@
 #include <libxml/parser.h>
 #include <libxml/xmlmemory.h>
 #include <libxml/xpath.h>
-#include <magma.h>
 #include <ccs.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <resgroup.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -53,12 +53,6 @@
 				newrule->rr_type);
 			return -1;
 		}
-		if (newrule->rr_root && curr->rr_root) {
-			fprintf(stderr, "Error storing %s: root "
-				"resource type %s exists already\n",
-				newrule->rr_type, curr->rr_type);
-			return -1;
-		}
 
 	} while (!list_done(rulelist, curr));
 			
@@ -186,30 +180,6 @@
 }
 
 
-/**
-   Get and store the root attribute.
-
-   @param doc		Pre-parsed XML document pointer.
-   @param ctx		Pre-allocated XML XPath context pointer.
-   @param base		XPath prefix to search
-   @param rr		Resource rule to store new information in.
- */
-void
-_get_root(xmlDocPtr doc, xmlXPathContextPtr ctx, char *base,
-	  resource_rule_t *rr)
-{
-	char xpath[256];
-	char *ret = NULL;
-
-	snprintf(xpath, sizeof(xpath), "%s/attributes/@root", base);
-	ret = xpath_get_one(doc, ctx, xpath);
-	if (ret) {
-		rr->rr_root = 1;
-		free(ret);
-	}
-}
-
-
 int
 expand_time(char *val)
 {
@@ -356,8 +326,6 @@
 			free(act);
 		
 	} while (1);
-
-
 }
 
 
@@ -426,6 +394,48 @@
 
 
 /**
+  Take the first unique + required attr and call it the 'primary' attr
+  for rgmanager.  If there's no primary, index 0 becomes the primary attr.
+ */
+int
+choose_primary(resource_attr_t *attrs)
+{
+	int x = 0, primary = 0;
+	int flags;
+	char *name, *val;
+
+	if (!attrs)
+		return 0;
+
+	for (x = 0; attrs[x].ra_name; x++) {
+
+		if ((attrs[x].ra_flags & (RA_UNIQUE | RA_REQUIRED)) == 
+		    (RA_UNIQUE | RA_REQUIRED)) {
+			primary = x;
+			break;
+		}
+	}
+
+	if (primary != 0) {
+		flags = attrs[primary].ra_flags | RA_PRIMARY;
+		name = attrs[primary].ra_name;
+		val = attrs[primary].ra_value;
+
+		attrs[primary].ra_flags = attrs[0].ra_flags;
+		attrs[primary].ra_name = attrs[0].ra_name;
+		attrs[primary].ra_value = attrs[0].ra_value;
+
+		attrs[0].ra_flags = flags;
+		attrs[0].ra_name = name;
+		attrs[0].ra_value = val;
+	} else {
+		attrs[0].ra_flags |= RA_PRIMARY;
+	}
+
+	return 0;
+}
+
+/**
    Store a child type in the child array of a resource rule.
    XXX Could be rewritten to use list macros.
 
@@ -487,10 +497,7 @@
 {
 	int x;
 
-	printf("Resource Rules for \"%s\"", rr->rr_type);
-	if (rr->rr_root)
-		printf(" [ROOT]");
-	printf("\n");
+	printf("Resource Rules for \"%s\"\n", rr->rr_type);
 
 	if (rr->rr_version)
 		printf("OCF API Version: %s\n", rr->rr_version);
@@ -551,7 +558,7 @@
 
 
 children:
-	printf("Recognized child resource types:\n");
+	printf("Explicitly defined child resource types:\n");
 	if (!rr->rr_childtypes) {
 		printf("  - None -\n\n");
 		return;
@@ -697,6 +704,9 @@
 			store_attribute(&rr->rr_attrs, attrname, ret, flags);
 	}
 
+	if (!primary_found)
+		choose_primary(rr->rr_attrs);
+
 	return 0;
 }
 
@@ -918,12 +928,11 @@
 		snprintf(base, sizeof(base),
 			 "/resource-agent[%d]/special[@tag=\"rgmanager\"]",
 			 ruleid);
-		_get_root(doc, ctx, base, rr);
 		_get_maxparents(doc, ctx, base, rr);
 		rr->rr_agent = strdup(filename);
 
 		/*
-		   Second, add the allowable-children fields
+		   Second, add the children fields
 		 */
 		_get_childtypes(doc, ctx, base, rr);
 
@@ -991,6 +1000,10 @@
 		fn = basename(de->d_name);
 		if (!fn)
 			continue;
+		
+		if ((fn != NULL) && (strlen(fn) > 0) && 
+			(fn[strlen(fn)-1] == '~')) 
+			continue;
 
 		snprintf(path, sizeof(path), "%s/%s",
 			 rpath, de->d_name);