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/*
* Copyright 2013-2018 Andrew Beekhof <andrew@beekhof.net>
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/pengine/internal.h>
#include <glib.h>
gboolean
is_rsc_baremetal_remote_node(resource_t *rsc, pe_working_set_t * data_set)
{
node_t *node;
if (rsc == NULL) {
return FALSE;
} else if (rsc->is_remote_node == FALSE) {
return FALSE;
}
node = pe_find_node(data_set->nodes, rsc->id);
if (node == NULL) {
return FALSE;
}
return is_baremetal_remote_node(node);
}
gboolean
is_baremetal_remote_node(node_t *node)
{
if (is_remote_node(node) && (node->details->remote_rsc == NULL || node->details->remote_rsc->container == FALSE)) {
return TRUE;
}
return FALSE;
}
gboolean
is_container_remote_node(node_t *node)
{
if (is_remote_node(node) && (node->details->remote_rsc && node->details->remote_rsc->container)) {
return TRUE;
}
return FALSE;
}
gboolean
is_remote_node(node_t *node)
{
if (node && node->details->type == node_remote) {
return TRUE;
}
return FALSE;
}
resource_t *
rsc_contains_remote_node(pe_working_set_t * data_set, resource_t *rsc)
{
if (is_set(data_set->flags, pe_flag_have_remote_nodes) == FALSE) {
return NULL;
}
if (rsc->fillers) {
GListPtr gIter = NULL;
for (gIter = rsc->fillers; gIter != NULL; gIter = gIter->next) {
resource_t *filler = (resource_t *) gIter->data;
if (filler->is_remote_node) {
return filler;
}
}
}
return NULL;
}
gboolean
xml_contains_remote_node(xmlNode *xml)
{
const char *class = crm_element_value(xml, XML_AGENT_ATTR_CLASS);
const char *provider = crm_element_value(xml, XML_AGENT_ATTR_PROVIDER);
const char *agent = crm_element_value(xml, XML_ATTR_TYPE);
if (safe_str_eq(agent, "remote") && safe_str_eq(provider, "pacemaker")
&& safe_str_eq(class, PCMK_RESOURCE_CLASS_OCF)) {
return TRUE;
}
return FALSE;
}
/*!
* \internal
* \brief Execute a supplied function for each guest node running on a host
*
* \param[in] data_set Working set for cluster
* \param[in] host Host node to check
* \param[in] helper Function to call for each guest node
* \param[in,out] user_data Pointer to pass to helper function
*/
void
pe_foreach_guest_node(const pe_working_set_t *data_set, const node_t *host,
void (*helper)(const node_t*, void*), void *user_data)
{
GListPtr iter;
CRM_CHECK(data_set && host && host->details && helper, return);
if (!is_set(data_set->flags, pe_flag_have_remote_nodes)) {
return;
}
for (iter = host->details->running_rsc; iter != NULL; iter = iter->next) {
resource_t *rsc = (resource_t *) iter->data;
if (rsc->is_remote_node && (rsc->container != NULL)) {
node_t *guest_node = pe_find_node(data_set->nodes, rsc->id);
if (guest_node) {
(*helper)(guest_node, user_data);
}
}
}
}
/*!
* \internal
* \brief Create CIB XML for an implicit remote connection
*
* \param[in] parent If not NULL, use as parent XML element
* \param[in] uname Name of Pacemaker Remote node
* \param[in] container If not NULL, use this as connection container
* \param[in] migrateable If not NULL, use as allow-migrate value
* \param[in] is_managed If not NULL, use as is-managed value
* \param[in] start_timeout If not NULL, use as remote connect timeout
* \param[in] server If not NULL, use as remote server value
* \param[in] port If not NULL, use as remote port value
*/
xmlNode *
pe_create_remote_xml(xmlNode *parent, const char *uname,
const char *container_id, const char *migrateable,
const char *is_managed, const char *start_timeout,
const char *server, const char *port)
{
xmlNode *remote;
xmlNode *xml_sub;
remote = create_xml_node(parent, XML_CIB_TAG_RESOURCE);
// Add identity
crm_xml_add(remote, XML_ATTR_ID, uname);
crm_xml_add(remote, XML_AGENT_ATTR_CLASS, PCMK_RESOURCE_CLASS_OCF);
crm_xml_add(remote, XML_AGENT_ATTR_PROVIDER, "pacemaker");
crm_xml_add(remote, XML_ATTR_TYPE, "remote");
// Add meta-attributes
xml_sub = create_xml_node(remote, XML_TAG_META_SETS);
crm_xml_set_id(xml_sub, "%s-%s", uname, XML_TAG_META_SETS);
crm_create_nvpair_xml(xml_sub, NULL,
XML_RSC_ATTR_INTERNAL_RSC, XML_BOOLEAN_TRUE);
if (container_id) {
crm_create_nvpair_xml(xml_sub, NULL,
XML_RSC_ATTR_CONTAINER, container_id);
}
if (migrateable) {
crm_create_nvpair_xml(xml_sub, NULL,
XML_OP_ATTR_ALLOW_MIGRATE, migrateable);
}
if (is_managed) {
crm_create_nvpair_xml(xml_sub, NULL, XML_RSC_ATTR_MANAGED, is_managed);
}
// Add instance attributes
if (port || server) {
xml_sub = create_xml_node(remote, XML_TAG_ATTR_SETS);
crm_xml_set_id(xml_sub, "%s-%s", uname, XML_TAG_ATTR_SETS);
if (server) {
crm_create_nvpair_xml(xml_sub, NULL, "addr", server);
}
if (port) {
crm_create_nvpair_xml(xml_sub, NULL, "port", port);
}
}
// Add operations
xml_sub = create_xml_node(remote, "operations");
crm_create_op_xml(xml_sub, uname, "monitor", "30s", "30s");
if (start_timeout) {
crm_create_op_xml(xml_sub, uname, "start", "0", start_timeout);
}
return remote;
}
// History entry to be checked for fail count clearing
struct check_op {
xmlNode *rsc_op; // History entry XML
pe_resource_t *rsc; // Known resource corresponding to history entry
pe_node_t *node; // Known node corresponding to history entry
enum pe_check_parameters check_type; // What needs checking
};
void
pe__add_param_check(xmlNode *rsc_op, pe_resource_t *rsc, pe_node_t *node,
enum pe_check_parameters flag, pe_working_set_t *data_set)
{
struct check_op *check_op = NULL;
CRM_CHECK(data_set && rsc_op && rsc && node, return);
check_op = calloc(1, sizeof(struct check_op));
CRM_ASSERT(check_op != NULL);
crm_trace("Deferring checks of %s until after allocation", ID(rsc_op));
check_op->rsc_op = rsc_op;
check_op->rsc = rsc;
check_op->node = node;
check_op->check_type = flag;
data_set->param_check = g_list_prepend(data_set->param_check, check_op);
}
/*!
* \internal
* \brief Call a function for each action to be checked for addr substitution
*
* \param[in] data_set Working set for cluster
* \param[in] cb Function to be called
*/
void
pe__foreach_param_check(pe_working_set_t *data_set,
void (*cb)(pe_resource_t*, pe_node_t*, xmlNode*,
enum pe_check_parameters, pe_working_set_t*))
{
CRM_CHECK(data_set && cb, return);
for (GList *item = data_set->param_check; item != NULL; item = item->next) {
struct check_op *check_op = item->data;
cb(check_op->rsc, check_op->node, check_op->rsc_op,
check_op->check_type, data_set);
}
}
void
pe__free_param_checks(pe_working_set_t *data_set)
{
if (data_set && data_set->param_check) {
g_list_free_full(data_set->param_check, free);
data_set->param_check = NULL;
}
}

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