diff --git a/tools/crm_resource_runtime.c b/tools/crm_resource_runtime.c
index dfa25289aa..66a8dc9bad 100644
--- a/tools/crm_resource_runtime.c
+++ b/tools/crm_resource_runtime.c
@@ -1,2011 +1,2007 @@
/*
* Copyright 2004-2021 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <crm_resource.h>
#include <crm/common/ipc_controld.h>
#include <crm/common/lists_internal.h>
#include <crm/services_internal.h>
resource_checks_t *
cli_check_resource(pe_resource_t *rsc, char *role_s, char *managed)
{
pe_resource_t *parent = uber_parent(rsc);
resource_checks_t *rc = calloc(1, sizeof(resource_checks_t));
if (role_s) {
enum rsc_role_e role = text2role(role_s);
if (role == RSC_ROLE_STOPPED) {
rc->flags |= rsc_remain_stopped;
} else if (pcmk_is_set(parent->flags, pe_rsc_promotable) &&
(role == RSC_ROLE_UNPROMOTED)) {
rc->flags |= rsc_unpromotable;
}
}
if (managed && !crm_is_true(managed)) {
rc->flags |= rsc_unmanaged;
}
if (rsc->lock_node) {
rc->lock_node = rsc->lock_node->details->uname;
}
rc->rsc = rsc;
return rc;
}
static GList *
build_node_info_list(pe_resource_t *rsc)
{
GList *retval = NULL;
for (GList *iter = rsc->children; iter != NULL; iter = iter->next) {
pe_resource_t *child = (pe_resource_t *) iter->data;
for (GList *iter2 = child->running_on; iter2 != NULL; iter2 = iter2->next) {
pe_node_t *node = (pe_node_t *) iter2->data;
node_info_t *ni = calloc(1, sizeof(node_info_t));
ni->node_name = node->details->uname;
ni->promoted = pcmk_is_set(rsc->flags, pe_rsc_promotable) &&
child->fns->state(child, TRUE) == RSC_ROLE_PROMOTED;
retval = g_list_prepend(retval, ni);
}
}
return retval;
}
GList *
cli_resource_search(pe_resource_t *rsc, const char *requested_name,
pe_working_set_t *data_set)
{
GList *retval = NULL;
pe_resource_t *parent = uber_parent(rsc);
if (pe_rsc_is_clone(rsc)) {
retval = build_node_info_list(rsc);
/* The anonymous clone children's common ID is supplied */
} else if (pe_rsc_is_clone(parent)
&& !pcmk_is_set(rsc->flags, pe_rsc_unique)
&& rsc->clone_name
&& pcmk__str_eq(requested_name, rsc->clone_name, pcmk__str_casei)
&& !pcmk__str_eq(requested_name, rsc->id, pcmk__str_casei)) {
retval = build_node_info_list(parent);
} else if (rsc->running_on != NULL) {
for (GList *iter = rsc->running_on; iter != NULL; iter = iter->next) {
pe_node_t *node = (pe_node_t *) iter->data;
node_info_t *ni = calloc(1, sizeof(node_info_t));
ni->node_name = node->details->uname;
ni->promoted = (rsc->fns->state(rsc, TRUE) == RSC_ROLE_PROMOTED);
retval = g_list_prepend(retval, ni);
}
}
return retval;
}
#define XPATH_MAX 1024
// \return Standard Pacemaker return code
static int
find_resource_attr(pcmk__output_t *out, cib_t * the_cib, const char *attr,
const char *rsc, const char *attr_set_type, const char *set_name,
const char *attr_id, const char *attr_name, char **value)
{
int offset = 0;
int rc = pcmk_rc_ok;
xmlNode *xml_search = NULL;
char *xpath_string = NULL;
if(value) {
*value = NULL;
}
if(the_cib == NULL) {
return ENOTCONN;
}
xpath_string = calloc(1, XPATH_MAX);
offset +=
snprintf(xpath_string + offset, XPATH_MAX - offset, "%s", get_object_path("resources"));
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "//*[@id=\"%s\"]", rsc);
if (attr_set_type) {
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "/%s", attr_set_type);
if (set_name) {
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "[@id=\"%s\"]", set_name);
}
}
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "//nvpair[");
if (attr_id) {
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "@id=\"%s\"", attr_id);
}
if (attr_name) {
if (attr_id) {
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, " and ");
}
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "@name=\"%s\"", attr_name);
}
offset += snprintf(xpath_string + offset, XPATH_MAX - offset, "]");
CRM_LOG_ASSERT(offset > 0);
rc = the_cib->cmds->query(the_cib, xpath_string, &xml_search,
cib_sync_call | cib_scope_local | cib_xpath);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
goto done;
}
crm_log_xml_debug(xml_search, "Match");
if (xml_has_children(xml_search)) {
xmlNode *child = NULL;
rc = ENOTUNIQ;
out->info(out, "Multiple attributes match name=%s", attr_name);
for (child = pcmk__xml_first_child(xml_search); child != NULL;
child = pcmk__xml_next(child)) {
out->info(out, " Value: %s \t(id=%s)",
crm_element_value(child, XML_NVPAIR_ATTR_VALUE), ID(child));
}
out->spacer(out);
} else if(value) {
const char *tmp = crm_element_value(xml_search, attr);
if (tmp) {
*value = strdup(tmp);
}
}
done:
free(xpath_string);
free_xml(xml_search);
return rc;
}
/* PRIVATE. Use the find_matching_attr_resources instead. */
static void
find_matching_attr_resources_recursive(pcmk__output_t *out, GList/* <pe_resource_t*> */ ** result,
pe_resource_t * rsc, const char * rsc_id,
const char * attr_set, const char * attr_set_type,
const char * attr_id, const char * attr_name,
cib_t * cib, const char * cmd, int depth)
{
int rc = pcmk_rc_ok;
char *lookup_id = clone_strip(rsc->id);
char *local_attr_id = NULL;
/* visit the children */
for(GList *gIter = rsc->children; gIter; gIter = gIter->next) {
find_matching_attr_resources_recursive(out, result, (pe_resource_t*)gIter->data,
rsc_id, attr_set, attr_set_type,
attr_id, attr_name, cib, cmd, depth+1);
/* do it only once for clones */
if(pe_clone == rsc->variant) {
break;
}
}
rc = find_resource_attr(out, cib, XML_ATTR_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &local_attr_id);
/* Post-order traversal.
* The root is always on the list and it is the last item. */
if((0 == depth) || (pcmk_rc_ok == rc)) {
/* push the head */
*result = g_list_append(*result, rsc);
}
free(local_attr_id);
free(lookup_id);
}
/* The result is a linearized pre-ordered tree of resources. */
static GList/*<pe_resource_t*>*/ *
find_matching_attr_resources(pcmk__output_t *out, pe_resource_t * rsc,
const char * rsc_id, const char * attr_set,
const char * attr_set_type, const char * attr_id,
const char * attr_name, cib_t * cib, const char * cmd,
gboolean force)
{
int rc = pcmk_rc_ok;
char *lookup_id = NULL;
char *local_attr_id = NULL;
GList * result = NULL;
/* If --force is used, update only the requested resource (clone or primitive).
* Otherwise, if the primitive has the attribute, use that.
* Otherwise use the clone. */
if(force == TRUE) {
return g_list_append(result, rsc);
}
if(rsc->parent && pe_clone == rsc->parent->variant) {
int rc = pcmk_rc_ok;
char *local_attr_id = NULL;
rc = find_resource_attr(out, cib, XML_ATTR_ID, rsc_id, attr_set_type,
attr_set, attr_id, attr_name, &local_attr_id);
free(local_attr_id);
if(rc != pcmk_rc_ok) {
rsc = rsc->parent;
out->info(out, "Performing %s of '%s' on '%s', the parent of '%s'",
cmd, attr_name, rsc->id, rsc_id);
}
return g_list_append(result, rsc);
} else if(rsc->parent == NULL && rsc->children && pe_clone == rsc->variant) {
pe_resource_t *child = rsc->children->data;
if(child->variant == pe_native) {
lookup_id = clone_strip(child->id); /* Could be a cloned group! */
rc = find_resource_attr(out, cib, XML_ATTR_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &local_attr_id);
if(rc == pcmk_rc_ok) {
rsc = child;
out->info(out, "A value for '%s' already exists in child '%s', performing %s on that instead of '%s'",
attr_name, lookup_id, cmd, rsc_id);
}
free(local_attr_id);
free(lookup_id);
}
return g_list_append(result, rsc);
}
/* If the resource is a group ==> children inherit the attribute if defined. */
find_matching_attr_resources_recursive(out, &result, rsc, rsc_id, attr_set,
attr_set_type, attr_id, attr_name,
cib, cmd, 0);
return result;
}
// \return Standard Pacemaker return code
int
cli_resource_update_attribute(pe_resource_t *rsc, const char *requested_name,
const char *attr_set, const char *attr_set_type,
const char *attr_id, const char *attr_name,
const char *attr_value, gboolean recursive,
cib_t *cib, int cib_options,
pe_working_set_t *data_set, gboolean force)
{
pcmk__output_t *out = data_set->priv;
int rc = pcmk_rc_ok;
static bool need_init = TRUE;
char *local_attr_id = NULL;
char *local_attr_set = NULL;
GList/*<pe_resource_t*>*/ *resources = NULL;
const char *common_attr_id = attr_id;
if (attr_id == NULL && force == FALSE) {
find_resource_attr (out, cib, XML_ATTR_ID, uber_parent(rsc)->id, NULL,
NULL, NULL, attr_name, NULL);
}
if (pcmk__str_eq(attr_set_type, XML_TAG_ATTR_SETS, pcmk__str_casei)) {
if (force == FALSE) {
rc = find_resource_attr(out, cib, XML_ATTR_ID, uber_parent(rsc)->id,
XML_TAG_META_SETS, attr_set, attr_id,
attr_name, &local_attr_id);
if (rc == pcmk_rc_ok && !out->is_quiet(out)) {
out->err(out, "WARNING: There is already a meta attribute for '%s' called '%s' (id=%s)",
uber_parent(rsc)->id, attr_name, local_attr_id);
out->err(out, " Delete '%s' first or use the force option to override",
local_attr_id);
}
free(local_attr_id);
if (rc == pcmk_rc_ok) {
return ENOTUNIQ;
}
}
resources = g_list_append(resources, rsc);
} else {
resources = find_matching_attr_resources(out, rsc, requested_name, attr_set, attr_set_type,
attr_id, attr_name, cib, "update", force);
}
/* If either attr_set or attr_id is specified,
* one clearly intends to modify a single resource.
* It is the last item on the resource list.*/
for(GList *gIter = (attr_set||attr_id) ? g_list_last(resources) : resources
; gIter; gIter = gIter->next) {
char *lookup_id = NULL;
xmlNode *xml_top = NULL;
xmlNode *xml_obj = NULL;
local_attr_id = NULL;
local_attr_set = NULL;
rsc = (pe_resource_t*)gIter->data;
attr_id = common_attr_id;
lookup_id = clone_strip(rsc->id); /* Could be a cloned group! */
rc = find_resource_attr(out, cib, XML_ATTR_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &local_attr_id);
if (rc == pcmk_rc_ok) {
crm_debug("Found a match for name=%s: id=%s", attr_name, local_attr_id);
attr_id = local_attr_id;
} else if (rc != ENXIO) {
free(lookup_id);
free(local_attr_id);
g_list_free(resources);
return rc;
} else {
const char *tag = crm_element_name(rsc->xml);
if (attr_set == NULL) {
local_attr_set = crm_strdup_printf("%s-%s", lookup_id,
attr_set_type);
attr_set = local_attr_set;
}
if (attr_id == NULL) {
local_attr_id = crm_strdup_printf("%s-%s", attr_set, attr_name);
attr_id = local_attr_id;
}
xml_top = create_xml_node(NULL, tag);
crm_xml_add(xml_top, XML_ATTR_ID, lookup_id);
xml_obj = create_xml_node(xml_top, attr_set_type);
crm_xml_add(xml_obj, XML_ATTR_ID, attr_set);
}
xml_obj = crm_create_nvpair_xml(xml_obj, attr_id, attr_name, attr_value);
if (xml_top == NULL) {
xml_top = xml_obj;
}
crm_log_xml_debug(xml_top, "Update");
rc = cib->cmds->modify(cib, XML_CIB_TAG_RESOURCES, xml_top, cib_options);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
out->info(out, "Set '%s' option: id=%s%s%s%s%s value=%s", lookup_id, local_attr_id,
attr_set ? " set=" : "", attr_set ? attr_set : "",
attr_name ? " name=" : "", attr_name ? attr_name : "", attr_value);
}
free_xml(xml_top);
free(lookup_id);
free(local_attr_id);
free(local_attr_set);
if(recursive && pcmk__str_eq(attr_set_type, XML_TAG_META_SETS, pcmk__str_casei)) {
GList *lpc = NULL;
if(need_init) {
need_init = FALSE;
pcmk__unpack_constraints(data_set);
pe__clear_resource_flags_on_all(data_set, pe_rsc_allocating);
}
crm_debug("Looking for dependencies %p", rsc->rsc_cons_lhs);
pe__set_resource_flags(rsc, pe_rsc_allocating);
for (lpc = rsc->rsc_cons_lhs; lpc != NULL; lpc = lpc->next) {
pcmk__colocation_t *cons = (pcmk__colocation_t *) lpc->data;
pe_resource_t *peer = cons->rsc_lh;
crm_debug("Checking %s %d", cons->id, cons->score);
if (cons->score > 0 && !pcmk_is_set(peer->flags, pe_rsc_allocating)) {
/* Don't get into colocation loops */
crm_debug("Setting %s=%s for dependent resource %s", attr_name, attr_value, peer->id);
cli_resource_update_attribute(peer, peer->id, NULL, attr_set_type,
NULL, attr_name, attr_value, recursive,
cib, cib_options, data_set, force);
}
}
}
}
g_list_free(resources);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_delete_attribute(pe_resource_t *rsc, const char *requested_name,
const char *attr_set, const char *attr_set_type,
const char *attr_id, const char *attr_name,
cib_t *cib, int cib_options,
pe_working_set_t *data_set, gboolean force)
{
pcmk__output_t *out = data_set->priv;
int rc = pcmk_rc_ok;
GList/*<pe_resource_t*>*/ *resources = NULL;
if (attr_id == NULL && force == FALSE) {
find_resource_attr(out, cib, XML_ATTR_ID, uber_parent(rsc)->id, NULL,
NULL, NULL, attr_name, NULL);
}
if(pcmk__str_eq(attr_set_type, XML_TAG_META_SETS, pcmk__str_casei)) {
resources = find_matching_attr_resources(out, rsc, requested_name, attr_set, attr_set_type,
attr_id, attr_name, cib, "delete", force);
} else {
resources = g_list_append(resources, rsc);
}
for(GList *gIter = resources; gIter; gIter = gIter->next) {
char *lookup_id = NULL;
xmlNode *xml_obj = NULL;
char *local_attr_id = NULL;
rsc = (pe_resource_t*)gIter->data;
lookup_id = clone_strip(rsc->id);
rc = find_resource_attr(out, cib, XML_ATTR_ID, lookup_id, attr_set_type,
attr_set, attr_id, attr_name, &local_attr_id);
if (rc == ENXIO) {
free(lookup_id);
rc = pcmk_rc_ok;
continue;
} else if (rc != pcmk_rc_ok) {
free(lookup_id);
g_list_free(resources);
return rc;
}
if (attr_id == NULL) {
attr_id = local_attr_id;
}
xml_obj = crm_create_nvpair_xml(NULL, attr_id, attr_name, NULL);
crm_log_xml_debug(xml_obj, "Delete");
CRM_ASSERT(cib);
rc = cib->cmds->remove(cib, XML_CIB_TAG_RESOURCES, xml_obj, cib_options);
rc = pcmk_legacy2rc(rc);
if (rc == pcmk_rc_ok) {
out->info(out, "Deleted '%s' option: id=%s%s%s%s%s", lookup_id, local_attr_id,
attr_set ? " set=" : "", attr_set ? attr_set : "",
attr_name ? " name=" : "", attr_name ? attr_name : "");
}
free(lookup_id);
free_xml(xml_obj);
free(local_attr_id);
}
g_list_free(resources);
return rc;
}
// \return Standard Pacemaker return code
static int
send_lrm_rsc_op(pcmk_ipc_api_t *controld_api, bool do_fail_resource,
const char *host_uname, const char *rsc_id, pe_working_set_t *data_set)
{
pcmk__output_t *out = data_set->priv;
const char *router_node = host_uname;
const char *rsc_api_id = NULL;
const char *rsc_long_id = NULL;
const char *rsc_class = NULL;
const char *rsc_provider = NULL;
const char *rsc_type = NULL;
bool cib_only = false;
pe_resource_t *rsc = pe_find_resource(data_set->resources, rsc_id);
if (rsc == NULL) {
out->err(out, "Resource %s not found", rsc_id);
return ENXIO;
} else if (rsc->variant != pe_native) {
out->err(out, "We can only process primitive resources, not %s", rsc_id);
return EINVAL;
}
rsc_class = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
rsc_provider = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER),
rsc_type = crm_element_value(rsc->xml, XML_ATTR_TYPE);
if ((rsc_class == NULL) || (rsc_type == NULL)) {
out->err(out, "Resource %s does not have a class and type", rsc_id);
return EINVAL;
}
{
pe_node_t *node = pe_find_node(data_set->nodes, host_uname);
if (node == NULL) {
out->err(out, "Node %s not found", host_uname);
return pcmk_rc_node_unknown;
}
if (!(node->details->online)) {
if (do_fail_resource) {
out->err(out, "Node %s is not online", host_uname);
return ENOTCONN;
} else {
cib_only = true;
}
}
if (!cib_only && pe__is_guest_or_remote_node(node)) {
node = pe__current_node(node->details->remote_rsc);
if (node == NULL) {
out->err(out, "No cluster connection to Pacemaker Remote node %s detected",
host_uname);
return ENOTCONN;
}
router_node = node->details->uname;
}
}
if (rsc->clone_name) {
rsc_api_id = rsc->clone_name;
rsc_long_id = rsc->id;
} else {
rsc_api_id = rsc->id;
}
if (do_fail_resource) {
return pcmk_controld_api_fail(controld_api, host_uname, router_node,
rsc_api_id, rsc_long_id,
rsc_class, rsc_provider, rsc_type);
} else {
return pcmk_controld_api_refresh(controld_api, host_uname, router_node,
rsc_api_id, rsc_long_id, rsc_class,
rsc_provider, rsc_type, cib_only);
}
}
/*!
* \internal
* \brief Get resource name as used in failure-related node attributes
*
* \param[in] rsc Resource to check
*
* \return Newly allocated string containing resource's fail name
* \note The caller is responsible for freeing the result.
*/
static inline char *
rsc_fail_name(pe_resource_t *rsc)
{
const char *name = (rsc->clone_name? rsc->clone_name : rsc->id);
return pcmk_is_set(rsc->flags, pe_rsc_unique)? strdup(name) : clone_strip(name);
}
// \return Standard Pacemaker return code
static int
clear_rsc_history(pcmk_ipc_api_t *controld_api, const char *host_uname,
const char *rsc_id, pe_working_set_t *data_set)
{
int rc = pcmk_rc_ok;
/* Erase the resource's entire LRM history in the CIB, even if we're only
* clearing a single operation's fail count. If we erased only entries for a
* single operation, we might wind up with a wrong idea of the current
* resource state, and we might not re-probe the resource.
*/
rc = send_lrm_rsc_op(controld_api, false, host_uname, rsc_id, data_set);
if (rc != pcmk_rc_ok) {
return rc;
}
crm_trace("Processing %d mainloop inputs",
pcmk_controld_api_replies_expected(controld_api));
while (g_main_context_iteration(NULL, FALSE)) {
crm_trace("Processed mainloop input, %d still remaining",
pcmk_controld_api_replies_expected(controld_api));
}
return rc;
}
// \return Standard Pacemaker return code
static int
clear_rsc_failures(pcmk__output_t *out, pcmk_ipc_api_t *controld_api,
const char *node_name, const char *rsc_id, const char *operation,
const char *interval_spec, pe_working_set_t *data_set)
{
int rc = pcmk_rc_ok;
const char *failed_value = NULL;
const char *failed_id = NULL;
const char *interval_ms_s = NULL;
GHashTable *rscs = NULL;
GHashTableIter iter;
/* Create a hash table to use as a set of resources to clean. This lets us
* clean each resource only once (per node) regardless of how many failed
* operations it has.
*/
rscs = pcmk__strkey_table(NULL, NULL);
// Normalize interval to milliseconds for comparison to history entry
if (operation) {
interval_ms_s = crm_strdup_printf("%u",
crm_parse_interval_spec(interval_spec));
}
for (xmlNode *xml_op = pcmk__xml_first_child(data_set->failed);
xml_op != NULL;
xml_op = pcmk__xml_next(xml_op)) {
failed_id = crm_element_value(xml_op, XML_LRM_ATTR_RSCID);
if (failed_id == NULL) {
// Malformed history entry, should never happen
continue;
}
// No resource specified means all resources match
if (rsc_id) {
pe_resource_t *fail_rsc = pe_find_resource_with_flags(data_set->resources,
failed_id,
pe_find_renamed|pe_find_anon);
if (!fail_rsc || !pcmk__str_eq(rsc_id, fail_rsc->id, pcmk__str_casei)) {
continue;
}
}
// Host name should always have been provided by this point
failed_value = crm_element_value(xml_op, XML_ATTR_UNAME);
if (!pcmk__str_eq(node_name, failed_value, pcmk__str_casei)) {
continue;
}
// No operation specified means all operations match
if (operation) {
failed_value = crm_element_value(xml_op, XML_LRM_ATTR_TASK);
if (!pcmk__str_eq(operation, failed_value, pcmk__str_casei)) {
continue;
}
// Interval (if operation was specified) defaults to 0 (not all)
failed_value = crm_element_value(xml_op, XML_LRM_ATTR_INTERVAL_MS);
if (!pcmk__str_eq(interval_ms_s, failed_value, pcmk__str_casei)) {
continue;
}
}
g_hash_table_add(rscs, (gpointer) failed_id);
}
g_hash_table_iter_init(&iter, rscs);
while (g_hash_table_iter_next(&iter, (gpointer *) &failed_id, NULL)) {
crm_debug("Erasing failures of %s on %s", failed_id, node_name);
rc = clear_rsc_history(controld_api, node_name, failed_id, data_set);
if (rc != pcmk_rc_ok) {
return rc;
}
}
g_hash_table_destroy(rscs);
return rc;
}
// \return Standard Pacemaker return code
static int
clear_rsc_fail_attrs(pe_resource_t *rsc, const char *operation,
const char *interval_spec, pe_node_t *node)
{
int rc = pcmk_rc_ok;
int attr_options = pcmk__node_attr_none;
char *rsc_name = rsc_fail_name(rsc);
if (pe__is_guest_or_remote_node(node)) {
attr_options |= pcmk__node_attr_remote;
}
rc = pcmk__node_attr_request_clear(NULL, node->details->uname, rsc_name,
operation, interval_spec, NULL,
attr_options);
free(rsc_name);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_delete(pcmk_ipc_api_t *controld_api, const char *host_uname,
pe_resource_t *rsc, const char *operation,
const char *interval_spec, bool just_failures,
pe_working_set_t *data_set, gboolean force)
{
pcmk__output_t *out = data_set->priv;
int rc = pcmk_rc_ok;
pe_node_t *node = NULL;
if (rsc == NULL) {
return ENXIO;
} else if (rsc->children) {
GList *lpc = NULL;
for (lpc = rsc->children; lpc != NULL; lpc = lpc->next) {
pe_resource_t *child = (pe_resource_t *) lpc->data;
rc = cli_resource_delete(controld_api, host_uname, child, operation,
interval_spec, just_failures, data_set,
force);
if (rc != pcmk_rc_ok) {
return rc;
}
}
return pcmk_rc_ok;
} else if (host_uname == NULL) {
GList *lpc = NULL;
GList *nodes = g_hash_table_get_values(rsc->known_on);
if(nodes == NULL && force) {
nodes = pcmk__copy_node_list(data_set->nodes, false);
} else if(nodes == NULL && rsc->exclusive_discover) {
GHashTableIter iter;
pe_node_t *node = NULL;
g_hash_table_iter_init(&iter, rsc->allowed_nodes);
while (g_hash_table_iter_next(&iter, NULL, (void**)&node)) {
if(node->weight >= 0) {
nodes = g_list_prepend(nodes, node);
}
}
} else if(nodes == NULL) {
nodes = g_hash_table_get_values(rsc->allowed_nodes);
}
for (lpc = nodes; lpc != NULL; lpc = lpc->next) {
node = (pe_node_t *) lpc->data;
if (node->details->online) {
rc = cli_resource_delete(controld_api, node->details->uname,
rsc, operation, interval_spec,
just_failures, data_set, force);
}
if (rc != pcmk_rc_ok) {
g_list_free(nodes);
return rc;
}
}
g_list_free(nodes);
return pcmk_rc_ok;
}
node = pe_find_node(data_set->nodes, host_uname);
if (node == NULL) {
out->err(out, "Unable to clean up %s because node %s not found",
rsc->id, host_uname);
return ENODEV;
}
if (!node->details->rsc_discovery_enabled) {
out->err(out, "Unable to clean up %s because resource discovery disabled on %s",
rsc->id, host_uname);
return EOPNOTSUPP;
}
if (controld_api == NULL) {
out->err(out, "Dry run: skipping clean-up of %s on %s due to CIB_file",
rsc->id, host_uname);
return pcmk_rc_ok;
}
rc = clear_rsc_fail_attrs(rsc, operation, interval_spec, node);
if (rc != pcmk_rc_ok) {
out->err(out, "Unable to clean up %s failures on %s: %s",
rsc->id, host_uname, pcmk_rc_str(rc));
return rc;
}
if (just_failures) {
rc = clear_rsc_failures(out, controld_api, host_uname, rsc->id, operation,
interval_spec, data_set);
} else {
rc = clear_rsc_history(controld_api, host_uname, rsc->id, data_set);
}
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned %s failures on %s, but unable to clean history: %s",
rsc->id, host_uname, pcmk_strerror(rc));
} else {
out->info(out, "Cleaned up %s on %s", rsc->id, host_uname);
}
return rc;
}
// \return Standard Pacemaker return code
int
cli_cleanup_all(pcmk_ipc_api_t *controld_api, const char *node_name,
const char *operation, const char *interval_spec,
pe_working_set_t *data_set)
{
pcmk__output_t *out = data_set->priv;
int rc = pcmk_rc_ok;
int attr_options = pcmk__node_attr_none;
const char *display_name = node_name? node_name : "all nodes";
if (controld_api == NULL) {
out->info(out, "Dry run: skipping clean-up of %s due to CIB_file",
display_name);
return rc;
}
if (node_name) {
pe_node_t *node = pe_find_node(data_set->nodes, node_name);
if (node == NULL) {
out->err(out, "Unknown node: %s", node_name);
return ENXIO;
}
if (pe__is_guest_or_remote_node(node)) {
attr_options |= pcmk__node_attr_remote;
}
}
rc = pcmk__node_attr_request_clear(NULL, node_name, NULL, operation,
interval_spec, NULL, attr_options);
if (rc != pcmk_rc_ok) {
out->err(out, "Unable to clean up all failures on %s: %s",
display_name, pcmk_rc_str(rc));
return rc;
}
if (node_name) {
rc = clear_rsc_failures(out, controld_api, node_name, NULL,
operation, interval_spec, data_set);
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned all resource failures on %s, but unable to clean history: %s",
node_name, pcmk_strerror(rc));
return rc;
}
} else {
for (GList *iter = data_set->nodes; iter; iter = iter->next) {
pe_node_t *node = (pe_node_t *) iter->data;
rc = clear_rsc_failures(out, controld_api, node->details->uname, NULL,
operation, interval_spec, data_set);
if (rc != pcmk_rc_ok) {
out->err(out, "Cleaned all resource failures on all nodes, but unable to clean history: %s",
pcmk_strerror(rc));
return rc;
}
}
}
out->info(out, "Cleaned up all resources on %s", display_name);
return rc;
}
int
cli_resource_check(pcmk__output_t *out, cib_t * cib_conn, pe_resource_t *rsc)
{
char *role_s = NULL;
char *managed = NULL;
pe_resource_t *parent = uber_parent(rsc);
int rc = pcmk_rc_no_output;
resource_checks_t *checks = NULL;
find_resource_attr(out, cib_conn, XML_NVPAIR_ATTR_VALUE, parent->id,
NULL, NULL, NULL, XML_RSC_ATTR_MANAGED, &managed);
find_resource_attr(out, cib_conn, XML_NVPAIR_ATTR_VALUE, parent->id,
NULL, NULL, NULL, XML_RSC_ATTR_TARGET_ROLE, &role_s);
checks = cli_check_resource(rsc, role_s, managed);
if (checks->flags != 0 || checks->lock_node != NULL) {
rc = out->message(out, "resource-check-list", checks);
}
free(role_s);
free(managed);
free(checks);
return rc;
}
// \return Standard Pacemaker return code
int
cli_resource_fail(pcmk_ipc_api_t *controld_api, const char *host_uname,
const char *rsc_id, pe_working_set_t *data_set)
{
crm_notice("Failing %s on %s", rsc_id, host_uname);
return send_lrm_rsc_op(controld_api, true, host_uname, rsc_id, data_set);
}
static GHashTable *
generate_resource_params(pe_resource_t *rsc, pe_node_t *node,
pe_working_set_t *data_set)
{
GHashTable *params = NULL;
GHashTable *meta = NULL;
GHashTable *combined = NULL;
GHashTableIter iter;
char *key = NULL;
char *value = NULL;
combined = pcmk__strkey_table(free, free);
params = pe_rsc_params(rsc, node, data_set);
if (params != NULL) {
g_hash_table_iter_init(&iter, params);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
g_hash_table_insert(combined, strdup(key), strdup(value));
}
}
meta = pcmk__strkey_table(free, free);
get_meta_attributes(meta, rsc, node, data_set);
if (meta != NULL) {
g_hash_table_iter_init(&iter, meta);
while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) {
char *crm_name = crm_meta_name(key);
g_hash_table_insert(combined, crm_name, strdup(value));
}
g_hash_table_destroy(meta);
}
return combined;
}
bool resource_is_running_on(pe_resource_t *rsc, const char *host)
{
bool found = TRUE;
GList *hIter = NULL;
GList *hosts = NULL;
if(rsc == NULL) {
return FALSE;
}
rsc->fns->location(rsc, &hosts, TRUE);
for (hIter = hosts; host != NULL && hIter != NULL; hIter = hIter->next) {
pe_node_t *node = (pe_node_t *) hIter->data;
if(strcmp(host, node->details->uname) == 0) {
crm_trace("Resource %s is running on %s\n", rsc->id, host);
goto done;
} else if(strcmp(host, node->details->id) == 0) {
crm_trace("Resource %s is running on %s\n", rsc->id, host);
goto done;
}
}
if(host != NULL) {
crm_trace("Resource %s is not running on: %s\n", rsc->id, host);
found = FALSE;
} else if(host == NULL && hosts == NULL) {
crm_trace("Resource %s is not running\n", rsc->id);
found = FALSE;
}
done:
g_list_free(hosts);
return found;
}
/*!
* \internal
* \brief Create a list of all resources active on host from a given list
*
* \param[in] host Name of host to check whether resources are active
* \param[in] rsc_list List of resources to check
*
* \return New list of resources from list that are active on host
*/
static GList *
get_active_resources(const char *host, GList *rsc_list)
{
GList *rIter = NULL;
GList *active = NULL;
for (rIter = rsc_list; rIter != NULL; rIter = rIter->next) {
pe_resource_t *rsc = (pe_resource_t *) rIter->data;
/* Expand groups to their members, because if we're restarting a member
* other than the first, we can't otherwise tell which resources are
* stopping and starting.
*/
if (rsc->variant == pe_group) {
active = g_list_concat(active,
get_active_resources(host, rsc->children));
} else if (resource_is_running_on(rsc, host)) {
active = g_list_append(active, strdup(rsc->id));
}
}
return active;
}
static void dump_list(GList *items, const char *tag)
{
int lpc = 0;
GList *item = NULL;
for (item = items; item != NULL; item = item->next) {
crm_trace("%s[%d]: %s", tag, lpc, (char*)item->data);
lpc++;
}
}
static void display_list(pcmk__output_t *out, GList *items, const char *tag)
{
GList *item = NULL;
for (item = items; item != NULL; item = item->next) {
out->info(out, "%s%s", tag, (const char *)item->data);
}
}
/*!
* \internal
* \brief Upgrade XML to latest schema version and use it as working set input
*
* This also updates the working set timestamp to the current time.
*
* \param[in] data_set Working set instance to update
* \param[in] xml XML to use as input
*
* \return Standard Pacemaker return code
* \note On success, caller is responsible for freeing memory allocated for
* data_set->now.
* \todo This follows the example of other callers of cli_config_update()
* and returns ENOKEY ("Required key not available") if that fails,
* but perhaps pcmk_rc_schema_validation would be better in that case.
*/
int
update_working_set_xml(pe_working_set_t *data_set, xmlNode **xml)
{
if (cli_config_update(xml, NULL, FALSE) == FALSE) {
return ENOKEY;
}
data_set->input = *xml;
data_set->now = crm_time_new(NULL);
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Update a working set's XML input based on a CIB query
*
* \param[in] data_set Data set instance to initialize
* \param[in] cib Connection to the CIB manager
*
* \return Standard Pacemaker return code
* \note On success, caller is responsible for freeing memory allocated for
* data_set->input and data_set->now.
*/
static int
update_working_set_from_cib(pcmk__output_t *out, pe_working_set_t * data_set,
cib_t *cib)
{
xmlNode *cib_xml_copy = NULL;
int rc = pcmk_rc_ok;
rc = cib->cmds->query(cib, NULL, &cib_xml_copy, cib_scope_local | cib_sync_call);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not obtain the current CIB: %s (%d)", pcmk_strerror(rc), rc);
return rc;
}
rc = update_working_set_xml(data_set, &cib_xml_copy);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not upgrade the current CIB XML");
free_xml(cib_xml_copy);
return rc;
}
return rc;
}
// \return Standard Pacemaker return code
static int
update_dataset(cib_t *cib, pe_working_set_t * data_set, bool simulate)
{
char *pid = NULL;
char *shadow_file = NULL;
cib_t *shadow_cib = NULL;
int rc = pcmk_rc_ok;
pcmk__output_t *out = data_set->priv;
pe_reset_working_set(data_set);
rc = update_working_set_from_cib(out, data_set, cib);
if (rc != pcmk_rc_ok) {
return rc;
}
if(simulate) {
bool prev_quiet = false;
pid = pcmk__getpid_s();
shadow_cib = cib_shadow_new(pid);
shadow_file = get_shadow_file(pid);
if (shadow_cib == NULL) {
out->err(out, "Could not create shadow cib: '%s'", pid);
rc = ENXIO;
goto done;
}
rc = write_xml_file(data_set->input, shadow_file, FALSE);
if (rc < 0) {
out->err(out, "Could not populate shadow cib: %s (%d)", pcmk_strerror(rc), rc);
goto done;
}
rc = shadow_cib->cmds->signon(shadow_cib, crm_system_name, cib_command);
rc = pcmk_legacy2rc(rc);
if (rc != pcmk_rc_ok) {
out->err(out, "Could not connect to shadow cib: %s (%d)", pcmk_strerror(rc), rc);
goto done;
}
pcmk__schedule_actions(data_set, data_set->input, NULL);
prev_quiet = out->is_quiet(out);
out->quiet = true;
run_simulation(data_set, shadow_cib, NULL);
out->quiet = prev_quiet;
rc = update_dataset(shadow_cib, data_set, FALSE);
} else {
cluster_status(data_set);
}
done:
/* Do not free data_set->input here, we need rsc->xml to be valid later on */
cib_delete(shadow_cib);
free(pid);
if(shadow_file) {
unlink(shadow_file);
free(shadow_file);
}
return rc;
}
static int
max_delay_for_resource(pe_working_set_t * data_set, pe_resource_t *rsc)
{
int delay = 0;
int max_delay = 0;
if(rsc && rsc->children) {
GList *iter = NULL;
for(iter = rsc->children; iter; iter = iter->next) {
pe_resource_t *child = (pe_resource_t *)iter->data;
delay = max_delay_for_resource(data_set, child);
if(delay > max_delay) {
double seconds = delay / 1000.0;
crm_trace("Calculated new delay of %.1fs due to %s", seconds, child->id);
max_delay = delay;
}
}
} else if(rsc) {
char *key = crm_strdup_printf("%s_%s_0", rsc->id, RSC_STOP);
pe_action_t *stop = custom_action(rsc, key, RSC_STOP, NULL, TRUE, FALSE, data_set);
const char *value = g_hash_table_lookup(stop->meta, XML_ATTR_TIMEOUT);
long long result_ll;
if ((pcmk__scan_ll(value, &result_ll, -1LL) == pcmk_rc_ok)
&& (result_ll >= 0) && (result_ll <= INT_MAX)) {
max_delay = (int) result_ll;
} else {
max_delay = -1;
}
pe_free_action(stop);
}
return max_delay;
}
static int
max_delay_in(pe_working_set_t * data_set, GList *resources)
{
int max_delay = 0;
GList *item = NULL;
for (item = resources; item != NULL; item = item->next) {
int delay = 0;
pe_resource_t *rsc = pe_find_resource(data_set->resources, (const char *)item->data);
delay = max_delay_for_resource(data_set, rsc);
if(delay > max_delay) {
double seconds = delay / 1000.0;
crm_trace("Calculated new delay of %.1fs due to %s", seconds, rsc->id);
max_delay = delay;
}
}
return 5 + (max_delay / 1000);
}
#define waiting_for_starts(d, r, h) ((d != NULL) || \
(!resource_is_running_on((r), (h))))
/*!
* \internal
* \brief Restart a resource (on a particular host if requested).
*
* \param[in] rsc The resource to restart
* \param[in] host The host to restart the resource on (or NULL for all)
* \param[in] timeout_ms Consider failed if actions do not complete in this time
* (specified in milliseconds, but a two-second
* granularity is actually used; if 0, a timeout will be
* calculated based on the resource timeout)
* \param[in] cib Connection to the CIB manager
*
* \return Standard Pacemaker return code (exits on certain failures)
*/
int
cli_resource_restart(pcmk__output_t *out, pe_resource_t *rsc, const char *host,
const char *move_lifetime, int timeout_ms, cib_t *cib,
int cib_options, gboolean promoted_role_only, gboolean force)
{
int rc = pcmk_rc_ok;
int lpc = 0;
int before = 0;
int step_timeout_s = 0;
int sleep_interval = 2;
int timeout = timeout_ms / 1000;
bool stop_via_ban = FALSE;
char *rsc_id = NULL;
char *orig_target_role = NULL;
GList *list_delta = NULL;
GList *target_active = NULL;
GList *current_active = NULL;
GList *restart_target_active = NULL;
pe_working_set_t *data_set = NULL;
if (!resource_is_running_on(rsc, host)) {
const char *id = rsc->clone_name?rsc->clone_name:rsc->id;
if(host) {
out->err(out, "%s is not running on %s and so cannot be restarted", id, host);
} else {
out->err(out, "%s is not running anywhere and so cannot be restarted", id);
}
return ENXIO;
}
rsc_id = strdup(rsc->id);
if ((pe_rsc_is_clone(rsc) || pe_bundle_replicas(rsc)) && host) {
stop_via_ban = TRUE;
}
/*
grab full cib
determine originally active resources
disable or ban
poll cib and watch for affected resources to get stopped
without --timeout, calculate the stop timeout for each step and wait for that
if we hit --timeout or the service timeout, re-enable or un-ban, report failure and indicate which resources we couldn't take down
if everything stopped, re-enable or un-ban
poll cib and watch for affected resources to get started
without --timeout, calculate the start timeout for each step and wait for that
if we hit --timeout or the service timeout, report (different) failure and indicate which resources we couldn't bring back up
report success
Optimizations:
- use constraints to determine ordered list of affected resources
- Allow a --no-deps option (aka. --force-restart)
*/
data_set = pe_new_working_set();
if (data_set == NULL) {
crm_perror(LOG_ERR, "Could not allocate working set");
rc = ENOMEM;
goto done;
}
data_set->priv = out;
pe__set_working_set_flags(data_set, pe_flag_no_counts|pe_flag_no_compat);
rc = update_dataset(cib, data_set, FALSE);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not get new resource list: %s (%d)", pcmk_strerror(rc), rc);
goto done;
}
restart_target_active = get_active_resources(host, data_set->resources);
current_active = get_active_resources(host, data_set->resources);
dump_list(current_active, "Origin");
if (stop_via_ban) {
/* Stop the clone or bundle instance by banning it from the host */
out->quiet = true;
rc = cli_resource_ban(out, rsc_id, host, move_lifetime, NULL, cib,
cib_options, promoted_role_only);
} else {
/* Stop the resource by setting target-role to Stopped.
* Remember any existing target-role so we can restore it later
* (though it only makes any difference if it's Unpromoted).
*/
char *lookup_id = clone_strip(rsc->id);
find_resource_attr(out, cib, XML_NVPAIR_ATTR_VALUE, lookup_id, NULL, NULL,
NULL, XML_RSC_ATTR_TARGET_ROLE, &orig_target_role);
free(lookup_id);
rc = cli_resource_update_attribute(rsc, rsc_id, NULL, XML_TAG_META_SETS,
NULL, XML_RSC_ATTR_TARGET_ROLE,
RSC_STOPPED, FALSE, cib, cib_options,
data_set, force);
}
if(rc != pcmk_rc_ok) {
out->err(out, "Could not set target-role for %s: %s (%d)", rsc_id, pcmk_strerror(rc), rc);
if (current_active) {
g_list_free_full(current_active, free);
}
if (restart_target_active) {
g_list_free_full(restart_target_active, free);
}
goto done;
}
rc = update_dataset(cib, data_set, TRUE);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources would be stopped");
goto failure;
}
target_active = get_active_resources(host, data_set->resources);
dump_list(target_active, "Target");
list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp);
out->info(out, "Waiting for %d resources to stop:", g_list_length(list_delta));
display_list(out, list_delta, " * ");
step_timeout_s = timeout / sleep_interval;
while (list_delta != NULL) {
before = g_list_length(list_delta);
if(timeout_ms == 0) {
step_timeout_s = max_delay_in(data_set, list_delta) / sleep_interval;
}
/* We probably don't need the entire step timeout */
for(lpc = 0; (lpc < step_timeout_s) && (list_delta != NULL); lpc++) {
sleep(sleep_interval);
if(timeout) {
timeout -= sleep_interval;
crm_trace("%ds remaining", timeout);
}
rc = update_dataset(cib, data_set, FALSE);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources were stopped");
goto failure;
}
if (current_active) {
g_list_free_full(current_active, free);
}
current_active = get_active_resources(host, data_set->resources);
g_list_free(list_delta);
list_delta = pcmk__subtract_lists(current_active, target_active, (GCompareFunc) strcmp);
dump_list(current_active, "Current");
dump_list(list_delta, "Delta");
}
crm_trace("%d (was %d) resources remaining", g_list_length(list_delta), before);
if(before == g_list_length(list_delta)) {
/* aborted during stop phase, print the contents of list_delta */
out->err(out, "Could not complete shutdown of %s, %d resources remaining", rsc_id, g_list_length(list_delta));
display_list(out, list_delta, " * ");
rc = ETIME;
goto failure;
}
}
if (stop_via_ban) {
rc = cli_resource_clear(rsc_id, host, NULL, cib, cib_options, TRUE, force);
} else if (orig_target_role) {
rc = cli_resource_update_attribute(rsc, rsc_id, NULL, XML_TAG_META_SETS,
NULL, XML_RSC_ATTR_TARGET_ROLE,
orig_target_role, FALSE, cib,
cib_options, data_set, force);
free(orig_target_role);
orig_target_role = NULL;
} else {
rc = cli_resource_delete_attribute(rsc, rsc_id, NULL, XML_TAG_META_SETS,
NULL, XML_RSC_ATTR_TARGET_ROLE, cib,
cib_options, data_set, force);
}
if(rc != pcmk_rc_ok) {
out->err(out, "Could not unset target-role for %s: %s (%d)", rsc_id, pcmk_strerror(rc), rc);
goto done;
}
if (target_active) {
g_list_free_full(target_active, free);
}
target_active = restart_target_active;
list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp);
out->info(out, "Waiting for %d resources to start again:", g_list_length(list_delta));
display_list(out, list_delta, " * ");
step_timeout_s = timeout / sleep_interval;
while (waiting_for_starts(list_delta, rsc, host)) {
before = g_list_length(list_delta);
if(timeout_ms == 0) {
step_timeout_s = max_delay_in(data_set, list_delta) / sleep_interval;
}
/* We probably don't need the entire step timeout */
for (lpc = 0; (lpc < step_timeout_s) && waiting_for_starts(list_delta, rsc, host); lpc++) {
sleep(sleep_interval);
if(timeout) {
timeout -= sleep_interval;
crm_trace("%ds remaining", timeout);
}
rc = update_dataset(cib, data_set, FALSE);
if(rc != pcmk_rc_ok) {
out->err(out, "Could not determine which resources were started");
goto failure;
}
if (current_active) {
g_list_free_full(current_active, free);
}
/* It's OK if dependent resources moved to a different node,
* so we check active resources on all nodes.
*/
current_active = get_active_resources(NULL, data_set->resources);
g_list_free(list_delta);
list_delta = pcmk__subtract_lists(target_active, current_active, (GCompareFunc) strcmp);
dump_list(current_active, "Current");
dump_list(list_delta, "Delta");
}
if(before == g_list_length(list_delta)) {
/* aborted during start phase, print the contents of list_delta */
out->err(out, "Could not complete restart of %s, %d resources remaining", rsc_id, g_list_length(list_delta));
display_list(out, list_delta, " * ");
rc = ETIME;
goto failure;
}
}
rc = pcmk_rc_ok;
goto done;
failure:
if (stop_via_ban) {
cli_resource_clear(rsc_id, host, NULL, cib, cib_options, TRUE, force);
} else if (orig_target_role) {
cli_resource_update_attribute(rsc, rsc_id, NULL, XML_TAG_META_SETS, NULL,
XML_RSC_ATTR_TARGET_ROLE, orig_target_role,
FALSE, cib, cib_options, data_set, force);
free(orig_target_role);
} else {
cli_resource_delete_attribute(rsc, rsc_id, NULL, XML_TAG_META_SETS, NULL,
XML_RSC_ATTR_TARGET_ROLE, cib, cib_options,
data_set, force);
}
done:
if (list_delta) {
g_list_free(list_delta);
}
if (current_active) {
g_list_free_full(current_active, free);
}
if (target_active && (target_active != restart_target_active)) {
g_list_free_full(target_active, free);
}
if (restart_target_active) {
g_list_free_full(restart_target_active, free);
}
free(rsc_id);
pe_free_working_set(data_set);
return rc;
}
static inline bool action_is_pending(pe_action_t *action)
{
if (pcmk_any_flags_set(action->flags, pe_action_optional|pe_action_pseudo)
|| !pcmk_is_set(action->flags, pe_action_runnable)
|| pcmk__str_eq("notify", action->task, pcmk__str_casei)) {
return false;
}
return true;
}
/*!
* \internal
* \brief Return TRUE if any actions in a list are pending
*
* \param[in] actions List of actions to check
*
* \return TRUE if any actions in the list are pending, FALSE otherwise
*/
static bool
actions_are_pending(GList *actions)
{
GList *action;
for (action = actions; action != NULL; action = action->next) {
pe_action_t *a = (pe_action_t *)action->data;
if (action_is_pending(a)) {
crm_notice("Waiting for %s (flags=0x%.8x)", a->uuid, a->flags);
return TRUE;
}
}
return FALSE;
}
static void
print_pending_actions(pcmk__output_t *out, GList *actions)
{
GList *action;
out->info(out, "Pending actions:");
for (action = actions; action != NULL; action = action->next) {
pe_action_t *a = (pe_action_t *) action->data;
if (!action_is_pending(a)) {
continue;
}
if (a->node) {
out->info(out, "\tAction %d: %s\ton %s", a->id, a->uuid, a->node->details->uname);
} else {
out->info(out, "\tAction %d: %s", a->id, a->uuid);
}
}
}
/* For --wait, timeout (in seconds) to use if caller doesn't specify one */
#define WAIT_DEFAULT_TIMEOUT_S (60 * 60)
/* For --wait, how long to sleep between cluster state checks */
#define WAIT_SLEEP_S (2)
/*!
* \internal
* \brief Wait until all pending cluster actions are complete
*
* This waits until either the CIB's transition graph is idle or a timeout is
* reached.
*
* \param[in] timeout_ms Consider failed if actions do not complete in this time
* (specified in milliseconds, but one-second granularity
* is actually used; if 0, a default will be used)
* \param[in] cib Connection to the CIB manager
*
* \return Standard Pacemaker return code
*/
int
wait_till_stable(pcmk__output_t *out, int timeout_ms, cib_t * cib)
{
pe_working_set_t *data_set = NULL;
int rc = pcmk_rc_ok;
int timeout_s = timeout_ms? ((timeout_ms + 999) / 1000) : WAIT_DEFAULT_TIMEOUT_S;
time_t expire_time = time(NULL) + timeout_s;
time_t time_diff;
bool printed_version_warning = out->is_quiet(out); // i.e. don't print if quiet
data_set = pe_new_working_set();
if (data_set == NULL) {
return ENOMEM;
}
pe__set_working_set_flags(data_set, pe_flag_no_counts|pe_flag_no_compat);
do {
/* Abort if timeout is reached */
time_diff = expire_time - time(NULL);
if (time_diff > 0) {
crm_info("Waiting up to %ld seconds for cluster actions to complete", time_diff);
} else {
print_pending_actions(out, data_set->actions);
pe_free_working_set(data_set);
return ETIME;
}
if (rc == pcmk_rc_ok) { /* this avoids sleep on first loop iteration */
sleep(WAIT_SLEEP_S);
}
/* Get latest transition graph */
pe_reset_working_set(data_set);
rc = update_working_set_from_cib(out, data_set, cib);
if (rc != pcmk_rc_ok) {
pe_free_working_set(data_set);
return rc;
}
pcmk__schedule_actions(data_set, data_set->input, NULL);
if (!printed_version_warning) {
/* If the DC has a different version than the local node, the two
* could come to different conclusions about what actions need to be
* done. Warn the user in this case.
*
* @TODO A possible long-term solution would be to reimplement the
* wait as a new controller operation that would be forwarded to the
* DC. However, that would have potential problems of its own.
*/
const char *dc_version = g_hash_table_lookup(data_set->config_hash,
"dc-version");
if (!pcmk__str_eq(dc_version, PACEMAKER_VERSION "-" BUILD_VERSION, pcmk__str_casei)) {
out->info(out, "warning: wait option may not work properly in "
"mixed-version cluster");
printed_version_warning = TRUE;
}
}
} while (actions_are_pending(data_set->actions));
pe_free_working_set(data_set);
return rc;
}
static const char *
get_action(const char *rsc_action) {
const char *action = NULL;
if (pcmk__str_eq(rsc_action, "validate", pcmk__str_casei)) {
action = "validate-all";
} else if (pcmk__str_eq(rsc_action, "force-check", pcmk__str_casei)) {
action = "monitor";
} else if (pcmk__strcase_any_of(rsc_action, "force-start", "force-stop",
"force-demote", "force-promote", NULL)) {
action = rsc_action+6;
} else {
action = rsc_action;
}
return action;
}
/*!
* \brief Set up environment variables as expected by resource agents
*
* When the cluster executes resource agents, it adds certain environment
* variables (directly or via resource meta-attributes) expected by some
* resource agents. Add the essential ones that many resource agents expect, so
* the behavior is the same for command-line execution.
*
* \param[in] params Resource parameters that will be passed to agent
* \param[in] timeout_ms Action timeout (in milliseconds)
* \param[in] check_level OCF check level
* \param[in] verbosity Verbosity level
*/
static void
set_agent_environment(GHashTable *params, int timeout_ms, int check_level,
int verbosity)
{
g_hash_table_insert(params, strdup("CRM_meta_timeout"),
crm_strdup_printf("%d", timeout_ms));
g_hash_table_insert(params, strdup(XML_ATTR_CRM_VERSION),
strdup(CRM_FEATURE_SET));
if (check_level >= 0) {
char *level = crm_strdup_printf("%d", check_level);
setenv("OCF_CHECK_LEVEL", level, 1);
free(level);
}
setenv("HA_debug", (verbosity > 0)? "1" : "0", 1);
if (verbosity > 1) {
setenv("OCF_TRACE_RA", "1", 1);
}
/* A resource agent using the standard ocf-shellfuncs library will not print
* messages to stderr if it doesn't have a controlling terminal (e.g. if
* crm_resource is called via script or ssh). This forces it to do so.
*/
setenv("OCF_TRACE_FILE", "/dev/stderr", 0);
}
/*!
* \internal
* \brief Apply command-line overrides to resource parameters
*
* \param[in] params Parameters to be passed to agent
* \param[in] overrides Parameters to override (or NULL if none)
*/
static void
apply_overrides(GHashTable *params, GHashTable *overrides)
{
if (overrides != NULL) {
GHashTableIter iter;
char *name = NULL;
char *value = NULL;
g_hash_table_iter_init(&iter, overrides);
while (g_hash_table_iter_next(&iter, (gpointer *) &name,
(gpointer *) &value)) {
g_hash_table_replace(params, strdup(name), strdup(value));
}
}
}
crm_exit_t
cli_resource_execute_from_params(pcmk__output_t *out, const char *rsc_name,
const char *rsc_class, const char *rsc_prov,
const char *rsc_type, const char *rsc_action,
GHashTable *params, GHashTable *override_hash,
int timeout_ms, int resource_verbose, gboolean force,
int check_level)
{
const char *class = NULL;
const char *action = get_action(rsc_action);
crm_exit_t exit_code = CRM_EX_OK;
svc_action_t *op = NULL;
// If no timeout was provided, use the same default as the cluster
if (timeout_ms == 0) {
timeout_ms = crm_get_msec(CRM_DEFAULT_OP_TIMEOUT_S);
}
set_agent_environment(params, timeout_ms, check_level, resource_verbose);
apply_overrides(params, override_hash);
op = services__create_resource_action(rsc_name? rsc_name : "test",
rsc_class, rsc_prov, rsc_type, action,
0, timeout_ms, params, 0);
if (op == NULL) {
out->err(out, "Could not execute %s using %s%s%s:%s: %s",
action, rsc_class, (rsc_prov? ":" : ""),
(rsc_prov? rsc_prov : ""), rsc_type, strerror(ENOMEM));
g_hash_table_destroy(params);
return CRM_EX_OSERR;
}
class = !pcmk__str_eq(rsc_class, PCMK_RESOURCE_CLASS_SERVICE, pcmk__str_casei) ?
rsc_class : resources_find_service_class(rsc_type);
if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_STONITH, pcmk__str_casei)) {
out->err(out, "Sorry, the %s option doesn't support %s resources yet",
rsc_action, class);
crm_exit(CRM_EX_UNIMPLEMENT_FEATURE);
} else if (pcmk__strcase_any_of(class, PCMK_RESOURCE_CLASS_SYSTEMD,
PCMK_RESOURCE_CLASS_UPSTART, PCMK_RESOURCE_CLASS_NAGIOS, NULL)) {
out->err(out, "Sorry, the %s option doesn't support %s resources",
rsc_action, class);
crm_exit(CRM_EX_UNIMPLEMENT_FEATURE);
}
if (op->rc != PCMK_OCF_UNKNOWN) {
out->err(out, "Operation %s for %s (%s%s%s:%s) failed: %s",
action, rsc_name, rsc_class, (rsc_prov? ":" : ""),
(rsc_prov? rsc_prov : ""), rsc_type, crm_exit_str(op->rc));
crm_exit(op->rc);
}
- if (services_action_sync(op)) {
- exit_code = op->rc;
+ services_action_sync(op);
+ exit_code = op->rc;
- /* Lookup exit code based on rc for LSB resources */
- if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_LSB, pcmk__str_casei) &&
- pcmk__str_eq(rsc_action, "force-check", pcmk__str_casei)) {
+ // Map LSB status results to OCF results for consistent reporting to user
+ if (pcmk__str_eq(class, PCMK_RESOURCE_CLASS_LSB, pcmk__str_casei)
+ && pcmk__str_eq(rsc_action, "force-check", pcmk__str_casei)) {
- /* A simple cast is sufficient because services_get_ocf_exitcode()
- * will only return OCF codes that overlap with crm_exit_t.
- */
- exit_code = (crm_exit_t) services_get_ocf_exitcode(action,
- exit_code);
- }
- } else {
- exit_code = op->rc == 0 ? CRM_EX_ERROR : op->rc;
+ /* A simple cast is sufficient because services_get_ocf_exitcode()
+ * will only return OCF codes that overlap with crm_exit_t.
+ */
+ exit_code = (crm_exit_t) services_get_ocf_exitcode(action, exit_code);
}
out->message(out, "resource-agent-action", resource_verbose, rsc_class,
rsc_prov, rsc_type, rsc_name, rsc_action, override_hash,
exit_code, op->status, op->stdout_data, op->stderr_data);
services_action_free(op);
return exit_code;
}
crm_exit_t
cli_resource_execute(pe_resource_t *rsc, const char *requested_name,
const char *rsc_action, GHashTable *override_hash,
int timeout_ms, cib_t * cib, pe_working_set_t *data_set,
int resource_verbose, gboolean force, int check_level)
{
pcmk__output_t *out = data_set->priv;
crm_exit_t exit_code = CRM_EX_OK;
const char *rid = NULL;
const char *rtype = NULL;
const char *rprov = NULL;
const char *rclass = NULL;
GHashTable *params = NULL;
if (pcmk__strcase_any_of(rsc_action, "force-start", "force-demote",
"force-promote", NULL)) {
if(pe_rsc_is_clone(rsc)) {
GList *nodes = cli_resource_search(rsc, requested_name, data_set);
if(nodes != NULL && force == FALSE) {
out->err(out, "It is not safe to %s %s here: the cluster claims it is already active",
rsc_action, rsc->id);
out->err(out, "Try setting target-role=Stopped first or specifying "
"the force option");
return CRM_EX_UNSAFE;
}
g_list_free_full(nodes, free);
}
}
if(pe_rsc_is_clone(rsc)) {
/* Grab the first child resource in the hope it's not a group */
rsc = rsc->children->data;
}
if(rsc->variant == pe_group) {
out->err(out, "Sorry, the %s option doesn't support group resources", rsc_action);
return CRM_EX_UNIMPLEMENT_FEATURE;
} else if (rsc->variant == pe_container || pe_rsc_is_bundled(rsc)) {
out->err(out, "Sorry, the %s option doesn't support bundled resources", rsc_action);
return CRM_EX_UNIMPLEMENT_FEATURE;
}
rclass = crm_element_value(rsc->xml, XML_AGENT_ATTR_CLASS);
rprov = crm_element_value(rsc->xml, XML_AGENT_ATTR_PROVIDER);
rtype = crm_element_value(rsc->xml, XML_ATTR_TYPE);
params = generate_resource_params(rsc, NULL /* @TODO use local node */,
data_set);
if (timeout_ms == 0) {
timeout_ms = pe_get_configured_timeout(rsc, get_action(rsc_action), data_set);
}
rid = pe_rsc_is_anon_clone(rsc->parent)? requested_name : rsc->id;
exit_code = cli_resource_execute_from_params(out, rid, rclass, rprov, rtype, rsc_action,
params, override_hash, timeout_ms,
resource_verbose, force, check_level);
return exit_code;
}
// \return Standard Pacemaker return code
int
cli_resource_move(pe_resource_t *rsc, const char *rsc_id, const char *host_name,
const char *move_lifetime, cib_t *cib, int cib_options,
pe_working_set_t *data_set, gboolean promoted_role_only,
gboolean force)
{
pcmk__output_t *out = data_set->priv;
int rc = pcmk_rc_ok;
unsigned int count = 0;
pe_node_t *current = NULL;
pe_node_t *dest = pe_find_node(data_set->nodes, host_name);
bool cur_is_dest = FALSE;
if (dest == NULL) {
return pcmk_rc_node_unknown;
}
if (promoted_role_only && !pcmk_is_set(rsc->flags, pe_rsc_promotable)) {
pe_resource_t *p = uber_parent(rsc);
if (pcmk_is_set(p->flags, pe_rsc_promotable)) {
out->info(out, "Using parent '%s' for move instead of '%s'.", rsc->id, rsc_id);
rsc_id = p->id;
rsc = p;
} else {
out->info(out, "Ignoring master option: %s is not promotable", rsc_id);
promoted_role_only = FALSE;
}
}
current = pe__find_active_requires(rsc, &count);
if (pcmk_is_set(rsc->flags, pe_rsc_promotable)) {
GList *iter = NULL;
unsigned int promoted_count = 0;
pe_node_t *promoted_node = NULL;
for(iter = rsc->children; iter; iter = iter->next) {
pe_resource_t *child = (pe_resource_t *)iter->data;
enum rsc_role_e child_role = child->fns->state(child, TRUE);
if (child_role == RSC_ROLE_PROMOTED) {
rsc = child;
promoted_node = pe__current_node(child);
promoted_count++;
}
}
if (promoted_role_only || (promoted_count != 0)) {
count = promoted_count;
current = promoted_node;
}
}
if (count > 1) {
if (pe_rsc_is_clone(rsc)) {
current = NULL;
} else {
return pcmk_rc_multiple;
}
}
if (current && (current->details == dest->details)) {
cur_is_dest = TRUE;
if (force) {
crm_info("%s is already %s on %s, reinforcing placement with location constraint.",
rsc_id, promoted_role_only?"promoted":"active", dest->details->uname);
} else {
return pcmk_rc_already;
}
}
/* Clear any previous prefer constraints across all nodes. */
cli_resource_clear(rsc_id, NULL, data_set->nodes, cib, cib_options, FALSE, force);
/* Clear any previous ban constraints on 'dest'. */
cli_resource_clear(rsc_id, dest->details->uname, data_set->nodes, cib,
cib_options, TRUE, force);
/* Record an explicit preference for 'dest' */
rc = cli_resource_prefer(out, rsc_id, dest->details->uname, move_lifetime,
cib, cib_options, promoted_role_only);
crm_trace("%s%s now prefers node %s%s",
rsc->id, (promoted_role_only? " (promoted)" : ""),
dest->details->uname, force?"(forced)":"");
/* only ban the previous location if current location != destination location.
* it is possible to use -M to enforce a location without regard of where the
* resource is currently located */
if(force && (cur_is_dest == FALSE)) {
/* Ban the original location if possible */
if(current) {
(void)cli_resource_ban(out, rsc_id, current->details->uname, move_lifetime,
NULL, cib, cib_options, promoted_role_only);
} else if(count > 1) {
out->info(out, "Resource '%s' is currently %s in %d locations. "
"One may now move to %s",
rsc_id, (promoted_role_only? "promoted" : "active"),
count, dest->details->uname);
out->info(out, "To prevent '%s' from being %s at a specific location, "
"specify a node.",
rsc_id, (promoted_role_only? "promoted" : "active"));
} else {
crm_trace("Not banning %s from its current location: not active", rsc_id);
}
}
return rc;
}