Function template_to_set

pengine/constraints.c:1304–1374

}

static gboolean
template_to_set(xmlNode *xml_obj, xmlNode **rsc_set, const char *attr,
		gboolean convert_rsc, pe_working_set_t *data_set)
{
    const char *cons_id = NULL;
    const char *id = NULL;

    resource_t *rsc = NULL;
    
    *rsc_set = NULL;

    if(xml_obj == NULL) {
	crm_config_err("No constraint object to process.");
	return FALSE;
    }

    if(attr == NULL) {
	crm_config_err("No attribute name to process.");
	return FALSE;
    }
    
    cons_id = crm_element_value(xml_obj, XML_ATTR_ID);
    if(cons_id == NULL) {
	crm_config_err("%s constraint must have an id", crm_element_name(xml_obj));
	return FALSE;
    }

    id = crm_element_value(xml_obj, attr);
    if(id == NULL) {
	return TRUE;
    }

    rsc = pe_find_resource(data_set->resources, id);
    if(rsc == NULL) {
	xmlNode *template_rsc_set = g_hash_table_lookup(data_set->template_rsc_sets, id);

	if(template_rsc_set == NULL) {
	    crm_config_err("Invalid constraint '%s': No template named '%s'", cons_id, id);
	    return FALSE;
	}

        /* A template is referenced by the "attr" attribute (first, then, rsc or with-rsc).
           Add the template's corresponding "resource_set" which contains the primitives derived
           from it under the constraint. */
	*rsc_set = add_node_copy(xml_obj, template_rsc_set);

        /* Set sequential="false" for the resource_set */
	crm_xml_add(*rsc_set, "sequential", XML_BOOLEAN_FALSE);

    } else if(convert_rsc) {
        /* Even a regular resource is referenced by "attr", convert it into a resource_set.
           Because the other side of the constraint could be a template reference. */
	xmlNode *rsc_ref = NULL;

	*rsc_set = create_xml_node(xml_obj, XML_CONS_TAG_RSC_SET);
	crm_xml_add(*rsc_set, XML_ATTR_ID, id);

	rsc_ref = create_xml_node(*rsc_set, XML_TAG_RESOURCE_REF);