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diff --git a/lib/pengine/clone.c b/lib/pengine/clone.c
index bb367199a3..2923f0354b 100644
--- a/lib/pengine/clone.c
+++ b/lib/pengine/clone.c
@@ -1,1537 +1,1557 @@
/*
* Copyright 2004-2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* 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 <stdint.h>
#include <crm/pengine/rules.h>
#include <crm/pengine/status.h>
#include <crm/pengine/internal.h>
#include <pe_status_private.h>
#include <crm/common/xml.h>
#include <crm/common/output.h>
#include <crm/common/xml_internal.h>
#include <crm/common/scheduler_internal.h>
#ifdef PCMK__COMPAT_2_0
#define PROMOTED_INSTANCES PCMK__ROLE_PROMOTED_LEGACY "s"
#define UNPROMOTED_INSTANCES PCMK__ROLE_UNPROMOTED_LEGACY "s"
#else
#define PROMOTED_INSTANCES PCMK_ROLE_PROMOTED
#define UNPROMOTED_INSTANCES PCMK_ROLE_UNPROMOTED
#endif
typedef struct clone_variant_data_s {
int clone_max;
int clone_node_max;
int promoted_max;
int promoted_node_max;
int total_clones;
uint32_t flags; // Group of enum pcmk__clone_flags
notify_data_t *stop_notify;
notify_data_t *start_notify;
notify_data_t *demote_notify;
notify_data_t *promote_notify;
xmlNode *xml_obj_child;
} clone_variant_data_t;
#define get_clone_variant_data(data, rsc) \
CRM_ASSERT((rsc != NULL) && (rsc->variant == pcmk_rsc_variant_clone)); \
data = (clone_variant_data_t *) rsc->variant_opaque;
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be run
*
* \param[in] clone Clone or clone instance to check
*
* \return Maximum instances for \p clone
*/
int
pe__clone_max(const pcmk_resource_t *clone)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->clone_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed per node
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum allowed instances per node for \p clone
*/
int
pe__clone_node_max(const pcmk_resource_t *clone)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->clone_node_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be promoted
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum promoted instances for \p clone
*/
int
pe__clone_promoted_max(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->promoted_max;
}
/*!
* \internal
* \brief Return the maximum number of clone instances allowed to be promoted
*
* \param[in] clone Promotable clone or clone instance to check
*
* \return Maximum promoted instances for \p clone
*/
int
pe__clone_promoted_node_max(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, pe__const_top_resource(clone, false));
return clone_data->promoted_node_max;
}
static GList *
sorted_hash_table_values(GHashTable *table)
{
GList *retval = NULL;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, table);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if (!g_list_find_custom(retval, value, (GCompareFunc) strcmp)) {
retval = g_list_prepend(retval, (char *) value);
}
}
retval = g_list_sort(retval, (GCompareFunc) strcmp);
return retval;
}
static GList *
nodes_with_status(GHashTable *table, const char *status)
{
GList *retval = NULL;
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, table);
while (g_hash_table_iter_next(&iter, &key, &value)) {
if (!strcmp((char *) value, status)) {
retval = g_list_prepend(retval, key);
}
}
retval = g_list_sort(retval, (GCompareFunc) pcmk__numeric_strcasecmp);
return retval;
}
static GString *
node_list_to_str(const GList *list)
{
GString *retval = NULL;
for (const GList *iter = list; iter != NULL; iter = iter->next) {
pcmk__add_word(&retval, 1024, (const char *) iter->data);
}
return retval;
}
static void
clone_header(pcmk__output_t *out, int *rc, const pcmk_resource_t *rsc,
clone_variant_data_t *clone_data, const char *desc)
{
GString *attrs = NULL;
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
pcmk__add_separated_word(&attrs, 64, "promotable", ", ");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
pcmk__add_separated_word(&attrs, 64, "unique", ", ");
}
if (pe__resource_is_disabled(rsc)) {
pcmk__add_separated_word(&attrs, 64, "disabled", ", ");
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_maintenance)) {
pcmk__add_separated_word(&attrs, 64, "maintenance", ", ");
} else if (!pcmk_is_set(rsc->flags, pcmk_rsc_managed)) {
pcmk__add_separated_word(&attrs, 64, "unmanaged", ", ");
}
if (attrs != NULL) {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Clone Set: %s [%s] (%s)%s%s%s",
rsc->id,
pcmk__xe_id(clone_data->xml_obj_child),
(const char *) attrs->str, desc ? " (" : "",
desc ? desc : "", desc ? ")" : "");
g_string_free(attrs, TRUE);
} else {
PCMK__OUTPUT_LIST_HEADER(out, FALSE, *rc, "Clone Set: %s [%s]%s%s%s",
rsc->id,
pcmk__xe_id(clone_data->xml_obj_child),
desc ? " (" : "", desc ? desc : "",
desc ? ")" : "");
}
}
void
pe__force_anon(const char *standard, pcmk_resource_t *rsc, const char *rid,
pcmk_scheduler_t *scheduler)
{
if (pcmk__is_clone(rsc)) {
clone_variant_data_t *clone_data = rsc->variant_opaque;
pcmk__config_warn("Ignoring " PCMK_META_GLOBALLY_UNIQUE " for %s "
"because %s resources such as %s can be used only as "
"anonymous clones", rsc->id, standard, rid);
clone_data->clone_node_max = 1;
clone_data->clone_max = QB_MIN(clone_data->clone_max,
g_list_length(scheduler->nodes));
}
}
pcmk_resource_t *
find_clone_instance(const pcmk_resource_t *rsc, const char *sub_id)
{
char *child_id = NULL;
pcmk_resource_t *child = NULL;
const char *child_base = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
child_base = pcmk__xe_id(clone_data->xml_obj_child);
child_id = crm_strdup_printf("%s:%s", child_base, sub_id);
child = pe_find_resource(rsc->children, child_id);
free(child_id);
return child;
}
pcmk_resource_t *
pe__create_clone_child(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
gboolean as_orphan = FALSE;
char *inc_num = NULL;
char *inc_max = NULL;
pcmk_resource_t *child_rsc = NULL;
xmlNode *child_copy = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
CRM_CHECK(clone_data->xml_obj_child != NULL, return FALSE);
if (clone_data->total_clones >= clone_data->clone_max) {
// If we've already used all available instances, this is an orphan
as_orphan = TRUE;
}
// Allocate instance numbers in numerical order (starting at 0)
inc_num = pcmk__itoa(clone_data->total_clones);
inc_max = pcmk__itoa(clone_data->clone_max);
child_copy = pcmk__xml_copy(NULL, clone_data->xml_obj_child);
crm_xml_add(child_copy, PCMK__META_CLONE, inc_num);
if (pe__unpack_resource(child_copy, &child_rsc, rsc,
scheduler) != pcmk_rc_ok) {
goto bail;
}
/* child_rsc->globally_unique = rsc->globally_unique; */
CRM_ASSERT(child_rsc);
clone_data->total_clones += 1;
pcmk__rsc_trace(child_rsc, "Setting clone attributes for: %s",
child_rsc->id);
rsc->children = g_list_append(rsc->children, child_rsc);
if (as_orphan) {
pe__set_resource_flags_recursive(child_rsc, pcmk_rsc_removed);
}
pcmk__insert_meta(child_rsc, PCMK_META_CLONE_MAX, inc_max);
pcmk__rsc_trace(rsc, "Added %s instance %s", rsc->id, child_rsc->id);
bail:
free(inc_num);
free(inc_max);
return child_rsc;
}
/*!
* \internal
* \brief Unpack a nonnegative integer value from a resource meta-attribute
*
* \param[in] rsc Resource with meta-attribute
* \param[in] meta_name Name of meta-attribute to unpack
* \param[in] deprecated_name If not NULL, try unpacking this
* if \p meta_name is unset
* \param[in] default_value Value to use if unset
*
* \return Integer parsed from resource's specified meta-attribute if a valid
* nonnegative integer, \p default_value if unset, or 0 if invalid
*/
static int
unpack_meta_int(const pcmk_resource_t *rsc, const char *meta_name,
const char *deprecated_name, int default_value)
{
int integer = default_value;
const char *value = g_hash_table_lookup(rsc->meta, meta_name);
if ((value == NULL) && (deprecated_name != NULL)) {
value = g_hash_table_lookup(rsc->meta, deprecated_name);
+
+ if (value != NULL) {
+ if (pcmk__str_eq(deprecated_name, PCMK__META_PROMOTED_MAX_LEGACY,
+ pcmk__str_none)) {
+ pcmk__warn_once(pcmk__wo_clone_master_max,
+ "Support for the " PCMK__META_PROMOTED_MAX_LEGACY
+ " meta-attribute (such as in %s) is deprecated "
+ "and will be removed in a future release. Use the "
+ PCMK_META_PROMOTED_MAX " meta-attribute instead.",
+ rsc->id);
+ } else if (pcmk__str_eq(deprecated_name, PCMK__META_PROMOTED_NODE_MAX_LEGACY,
+ pcmk__str_none)) {
+ pcmk__warn_once(pcmk__wo_clone_master_node_max,
+ "Support for the " PCMK__META_PROMOTED_NODE_MAX_LEGACY
+ " meta-attribute (such as in %s) is deprecated "
+ "and will be removed in a future release. Use the "
+ PCMK_META_PROMOTED_NODE_MAX " meta-attribute instead.",
+ rsc->id);
+ }
+ }
}
if (value != NULL) {
pcmk__scan_min_int(value, &integer, 0);
}
return integer;
}
gboolean
clone_unpack(pcmk_resource_t *rsc, pcmk_scheduler_t *scheduler)
{
int lpc = 0;
xmlNode *a_child = NULL;
xmlNode *xml_obj = rsc->xml;
clone_variant_data_t *clone_data = NULL;
pcmk__rsc_trace(rsc, "Processing resource %s...", rsc->id);
clone_data = pcmk__assert_alloc(1, sizeof(clone_variant_data_t));
rsc->variant_opaque = clone_data;
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
// Use 1 as default but 0 for minimum and invalid
// @COMPAT PCMK__META_PROMOTED_MAX_LEGACY deprecated since 2.0.0
clone_data->promoted_max =
unpack_meta_int(rsc, PCMK_META_PROMOTED_MAX,
PCMK__META_PROMOTED_MAX_LEGACY, 1);
// Use 1 as default but 0 for minimum and invalid
// @COMPAT PCMK__META_PROMOTED_NODE_MAX_LEGACY deprecated since 2.0.0
clone_data->promoted_node_max =
unpack_meta_int(rsc, PCMK_META_PROMOTED_NODE_MAX,
PCMK__META_PROMOTED_NODE_MAX_LEGACY, 1);
}
// Use 1 as default but 0 for minimum and invalid
clone_data->clone_node_max = unpack_meta_int(rsc, PCMK_META_CLONE_NODE_MAX,
NULL, 1);
/* Use number of nodes (but always at least 1, which is handy for crm_verify
* for a CIB without nodes) as default, but 0 for minimum and invalid
*/
clone_data->clone_max = unpack_meta_int(rsc, PCMK_META_CLONE_MAX, NULL,
QB_MAX(1, g_list_length(scheduler->nodes)));
if (crm_is_true(g_hash_table_lookup(rsc->meta, PCMK_META_ORDERED))) {
clone_data->flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,
"Clone", rsc->id,
clone_data->flags,
pcmk__clone_ordered,
"pcmk__clone_ordered");
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (clone_data->clone_node_max > 1)) {
pcmk__config_err("Ignoring " PCMK_META_CLONE_NODE_MAX " of %d for %s "
"because anonymous clones support only one instance "
"per node", clone_data->clone_node_max, rsc->id);
clone_data->clone_node_max = 1;
}
pcmk__rsc_trace(rsc, "Options for %s", rsc->id);
pcmk__rsc_trace(rsc, "\tClone max: %d", clone_data->clone_max);
pcmk__rsc_trace(rsc, "\tClone node max: %d", clone_data->clone_node_max);
pcmk__rsc_trace(rsc, "\tClone is unique: %s",
pcmk__flag_text(rsc->flags, pcmk_rsc_unique));
pcmk__rsc_trace(rsc, "\tClone is promotable: %s",
pcmk__flag_text(rsc->flags, pcmk_rsc_promotable));
// Clones may contain a single group or primitive
for (a_child = pcmk__xe_first_child(xml_obj, NULL, NULL, NULL);
a_child != NULL; a_child = pcmk__xe_next(a_child)) {
if (pcmk__str_any_of((const char *) a_child->name,
PCMK_XE_PRIMITIVE, PCMK_XE_GROUP, NULL)) {
clone_data->xml_obj_child = a_child;
break;
}
}
if (clone_data->xml_obj_child == NULL) {
pcmk__config_err("%s has nothing to clone", rsc->id);
return FALSE;
}
/*
* Make clones ever so slightly sticky by default
*
* This helps ensure clone instances are not shuffled around the cluster
* for no benefit in situations when pre-allocation is not appropriate
*/
if (g_hash_table_lookup(rsc->meta, PCMK_META_RESOURCE_STICKINESS) == NULL) {
pcmk__insert_meta(rsc, PCMK_META_RESOURCE_STICKINESS, "1");
}
/* This ensures that the PCMK_META_GLOBALLY_UNIQUE value always exists for
* children to inherit when being unpacked, as well as in resource agents'
* environment.
*/
pcmk__insert_meta(rsc, PCMK_META_GLOBALLY_UNIQUE,
pcmk__flag_text(rsc->flags, pcmk_rsc_unique));
if (clone_data->clone_max <= 0) {
/* Create one child instance so that unpack_find_resource() will hook up
* any orphans up to the parent correctly.
*/
if (pe__create_clone_child(rsc, scheduler) == NULL) {
return FALSE;
}
} else {
// Create a child instance for each available instance number
for (lpc = 0; lpc < clone_data->clone_max; lpc++) {
if (pe__create_clone_child(rsc, scheduler) == NULL) {
return FALSE;
}
}
}
pcmk__rsc_trace(rsc, "Added %d children to resource %s...",
clone_data->clone_max, rsc->id);
return TRUE;
}
gboolean
clone_active(pcmk_resource_t * rsc, gboolean all)
{
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
gboolean child_active = child_rsc->fns->active(child_rsc, all);
if (all == FALSE && child_active) {
return TRUE;
} else if (all && child_active == FALSE) {
return FALSE;
}
}
if (all) {
return TRUE;
} else {
return FALSE;
}
}
/*!
* \internal
* \deprecated This function will be removed in a future release
*/
static void
short_print(const char *list, const char *prefix, const char *type,
const char *suffix, long options, void *print_data)
{
if(suffix == NULL) {
suffix = "";
}
if (!pcmk__str_empty(list)) {
if (options & pe_print_html) {
status_print("<li>");
}
status_print("%s%s: [ %s ]%s", prefix, type, list, suffix);
if (options & pe_print_html) {
status_print("</li>\n");
} else if (options & pe_print_suppres_nl) {
/* nothing */
} else if ((options & pe_print_printf) || (options & pe_print_ncurses)) {
status_print("\n");
}
}
}
static const char *
configured_role_str(pcmk_resource_t * rsc)
{
const char *target_role = g_hash_table_lookup(rsc->meta,
PCMK_META_TARGET_ROLE);
if ((target_role == NULL) && rsc->children && rsc->children->data) {
pcmk_resource_t *instance = rsc->children->data; // Any instance will do
target_role = g_hash_table_lookup(instance->meta,
PCMK_META_TARGET_ROLE);
}
return target_role;
}
static enum rsc_role_e
configured_role(pcmk_resource_t *rsc)
{
enum rsc_role_e role = pcmk_role_unknown;
const char *target_role = configured_role_str(rsc);
if (target_role != NULL) {
role = pcmk_parse_role(target_role);
if (role == pcmk_role_unknown) {
pcmk__config_err("Invalid " PCMK_META_TARGET_ROLE
" for resource %s", rsc->id);
}
}
return role;
}
/*!
* \internal
* \deprecated This function will be removed in a future release
*/
static void
clone_print_xml(pcmk_resource_t *rsc, const char *pre_text, long options,
void *print_data)
{
char *child_text = crm_strdup_printf("%s ", pre_text);
const char *target_role = configured_role_str(rsc);
GList *gIter = rsc->children;
status_print("%s<clone ", pre_text);
status_print(PCMK_XA_ID "=\"%s\" ", rsc->id);
status_print("multi_state=\"%s\" ",
pcmk__flag_text(rsc->flags, pcmk_rsc_promotable));
status_print("unique=\"%s\" ",
pcmk__flag_text(rsc->flags, pcmk_rsc_unique));
status_print("managed=\"%s\" ",
pcmk__flag_text(rsc->flags, pcmk_rsc_managed));
status_print("failed=\"%s\" ",
pcmk__flag_text(rsc->flags, pcmk_rsc_failed));
status_print("failure_ignored=\"%s\" ",
pcmk__flag_text(rsc->flags, pcmk_rsc_ignore_failure));
if (target_role) {
status_print("target_role=\"%s\" ", target_role);
}
status_print(">\n");
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
child_rsc->fns->print(child_rsc, child_text, options, print_data);
}
status_print("%s</clone>\n", pre_text);
free(child_text);
}
bool
is_set_recursive(const pcmk_resource_t *rsc, long long flag, bool any)
{
GList *gIter;
bool all = !any;
if (pcmk_is_set(rsc->flags, flag)) {
if(any) {
return TRUE;
}
} else if(all) {
return FALSE;
}
for (gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
if(is_set_recursive(gIter->data, flag, any)) {
if(any) {
return TRUE;
}
} else if(all) {
return FALSE;
}
}
if(all) {
return TRUE;
}
return FALSE;
}
/*!
* \internal
* \deprecated This function will be removed in a future release
*/
void
clone_print(pcmk_resource_t *rsc, const char *pre_text, long options,
void *print_data)
{
GString *list_text = NULL;
char *child_text = NULL;
GString *stopped_list = NULL;
GList *promoted_list = NULL;
GList *started_list = NULL;
GList *gIter = rsc->children;
clone_variant_data_t *clone_data = NULL;
int active_instances = 0;
if (pre_text == NULL) {
pre_text = " ";
}
if (options & pe_print_xml) {
clone_print_xml(rsc, pre_text, options, print_data);
return;
}
get_clone_variant_data(clone_data, rsc);
child_text = crm_strdup_printf("%s ", pre_text);
status_print("%sClone Set: %s [%s]%s%s%s",
pcmk__s(pre_text, ""), rsc->id,
pcmk__xe_id(clone_data->xml_obj_child),
pcmk_is_set(rsc->flags, pcmk_rsc_promotable)? " (promotable)" : "",
pcmk_is_set(rsc->flags, pcmk_rsc_unique)? " (unique)" : "",
pcmk_is_set(rsc->flags, pcmk_rsc_managed)? "" : " (unmanaged)");
if (options & pe_print_html) {
status_print("\n<ul>\n");
} else if ((options & pe_print_log) == 0) {
status_print("\n");
}
for (; gIter != NULL; gIter = gIter->next) {
gboolean print_full = FALSE;
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
gboolean partially_active = child_rsc->fns->active(child_rsc, FALSE);
if (options & pe_print_clone_details) {
print_full = TRUE;
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
// Print individual instance when unique (except stopped orphans)
if (partially_active
|| !pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
print_full = TRUE;
}
// Everything else in this block is for anonymous clones
} else if (pcmk_is_set(options, pe_print_pending)
&& (child_rsc->pending_task != NULL)
&& strcmp(child_rsc->pending_task, "probe")) {
// Print individual instance when non-probe action is pending
print_full = TRUE;
} else if (partially_active == FALSE) {
// List stopped instances when requested (except orphans)
if (!pcmk_is_set(child_rsc->flags, pcmk_rsc_removed)
&& !pcmk_is_set(options, pe_print_clone_active)) {
pcmk__add_word(&stopped_list, 1024, child_rsc->id);
}
} else if (is_set_recursive(child_rsc, pcmk_rsc_removed, TRUE)
|| !is_set_recursive(child_rsc, pcmk_rsc_managed, FALSE)
|| is_set_recursive(child_rsc, pcmk_rsc_failed, TRUE)) {
// Print individual instance when active orphaned/unmanaged/failed
print_full = TRUE;
} else if (child_rsc->fns->active(child_rsc, TRUE)) {
// Instance of fully active anonymous clone
pcmk_node_t *location = NULL;
location = child_rsc->fns->location(child_rsc, NULL, TRUE);
if (location) {
// Instance is active on a single node
enum rsc_role_e a_role = child_rsc->fns->state(child_rsc, TRUE);
if (location->details->online == FALSE && location->details->unclean) {
print_full = TRUE;
} else if (a_role > pcmk_role_unpromoted) {
promoted_list = g_list_append(promoted_list, location);
} else {
started_list = g_list_append(started_list, location);
}
} else {
/* uncolocated group - bleh */
print_full = TRUE;
}
} else {
// Instance of partially active anonymous clone
print_full = TRUE;
}
if (print_full) {
if (options & pe_print_html) {
status_print("<li>\n");
}
child_rsc->fns->print(child_rsc, child_text, options, print_data);
if (options & pe_print_html) {
status_print("</li>\n");
}
}
}
/* Promoted */
promoted_list = g_list_sort(promoted_list, pe__cmp_node_name);
for (gIter = promoted_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
if (list_text != NULL) {
short_print((const char *) list_text->str, child_text,
PROMOTED_INSTANCES, NULL, options, print_data);
g_string_truncate(list_text, 0);
}
g_list_free(promoted_list);
/* Started/Unpromoted */
started_list = g_list_sort(started_list, pe__cmp_node_name);
for (gIter = started_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
if (list_text != NULL) {
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
enum rsc_role_e role = configured_role(rsc);
if (role == pcmk_role_unpromoted) {
short_print((const char *) list_text->str, child_text,
UNPROMOTED_INSTANCES " (" PCMK_META_TARGET_ROLE ")",
NULL, options, print_data);
} else {
short_print((const char *) list_text->str, child_text,
UNPROMOTED_INSTANCES, NULL, options, print_data);
}
} else {
short_print((const char *) list_text->str, child_text, "Started",
NULL, options, print_data);
}
}
g_list_free(started_list);
if (!pcmk_is_set(options, pe_print_clone_active)) {
const char *state = "Stopped";
enum rsc_role_e role = configured_role(rsc);
if (role == pcmk_role_stopped) {
state = "Stopped (disabled)";
}
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (clone_data->clone_max > active_instances)) {
GList *nIter;
GList *list = g_hash_table_get_values(rsc->allowed_nodes);
/* Custom stopped list for non-unique clones */
if (stopped_list != NULL) {
g_string_truncate(stopped_list, 0);
}
if (list == NULL) {
/* Clusters with PCMK_OPT_SYMMETRIC_CLUSTER=false haven't
* calculated allowed_nodes yet. If we've not probed for them
* yet, the Stopped list will be empty.
*/
list = g_hash_table_get_values(rsc->known_on);
}
list = g_list_sort(list, pe__cmp_node_name);
for (nIter = list; nIter != NULL; nIter = nIter->next) {
pcmk_node_t *node = (pcmk_node_t *) nIter->data;
if (pe_find_node(rsc->running_on, node->details->uname) == NULL) {
pcmk__add_word(&stopped_list, 1024, node->details->uname);
}
}
g_list_free(list);
}
if (stopped_list != NULL) {
short_print((const char *) stopped_list->str, child_text, state,
NULL, options, print_data);
}
}
if (options & pe_print_html) {
status_print("</ul>\n");
}
if (list_text != NULL) {
g_string_free(list_text, TRUE);
}
if (stopped_list != NULL) {
g_string_free(stopped_list, TRUE);
}
free(child_text);
}
PCMK__OUTPUT_ARGS("clone", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__clone_xml(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
GList *gIter = rsc->children;
GList *all = NULL;
int rc = pcmk_rc_no_output;
gboolean printed_header = FALSE;
gboolean print_everything = TRUE;
if (rsc->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
all = g_list_prepend(all, (gpointer) "*");
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
if (pcmk__rsc_filtered_by_node(child_rsc, only_node)) {
continue;
}
if (child_rsc->fns->is_filtered(child_rsc, only_rsc, print_everything)) {
continue;
}
if (!printed_header) {
const char *multi_state = pcmk__flag_text(rsc->flags,
pcmk_rsc_promotable);
const char *unique = pcmk__flag_text(rsc->flags, pcmk_rsc_unique);
const char *maintenance = pcmk__flag_text(rsc->flags,
pcmk_rsc_maintenance);
const char *managed = pcmk__flag_text(rsc->flags, pcmk_rsc_managed);
const char *disabled = pcmk__btoa(pe__resource_is_disabled(rsc));
const char *failed = pcmk__flag_text(rsc->flags, pcmk_rsc_failed);
const char *ignored = pcmk__flag_text(rsc->flags,
pcmk_rsc_ignore_failure);
const char *target_role = configured_role_str(rsc);
const char *desc = pe__resource_description(rsc, show_opts);
printed_header = TRUE;
rc = pe__name_and_nvpairs_xml(out, true, PCMK_XE_CLONE, 10,
PCMK_XA_ID, rsc->id,
PCMK_XA_MULTI_STATE, multi_state,
PCMK_XA_UNIQUE, unique,
PCMK_XA_MAINTENANCE, maintenance,
PCMK_XA_MANAGED, managed,
PCMK_XA_DISABLED, disabled,
PCMK_XA_FAILED, failed,
PCMK_XA_FAILURE_IGNORED, ignored,
PCMK_XA_TARGET_ROLE, target_role,
PCMK_XA_DESCRIPTION, desc);
CRM_ASSERT(rc == pcmk_rc_ok);
}
out->message(out, (const char *) child_rsc->xml->name, show_opts,
child_rsc, only_node, all);
}
if (printed_header) {
pcmk__output_xml_pop_parent(out);
}
g_list_free(all);
return rc;
}
PCMK__OUTPUT_ARGS("clone", "uint32_t", "pcmk_resource_t *", "GList *",
"GList *")
int
pe__clone_default(pcmk__output_t *out, va_list args)
{
uint32_t show_opts = va_arg(args, uint32_t);
pcmk_resource_t *rsc = va_arg(args, pcmk_resource_t *);
GList *only_node = va_arg(args, GList *);
GList *only_rsc = va_arg(args, GList *);
GHashTable *stopped = NULL;
GString *list_text = NULL;
GList *promoted_list = NULL;
GList *started_list = NULL;
GList *gIter = rsc->children;
const char *desc = NULL;
clone_variant_data_t *clone_data = NULL;
int active_instances = 0;
int rc = pcmk_rc_no_output;
gboolean print_everything = TRUE;
desc = pe__resource_description(rsc, show_opts);
get_clone_variant_data(clone_data, rsc);
if (rsc->fns->is_filtered(rsc, only_rsc, TRUE)) {
return rc;
}
print_everything = pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches) ||
(strstr(rsc->id, ":") != NULL && pcmk__str_in_list(rsc->id, only_rsc, pcmk__str_star_matches));
for (; gIter != NULL; gIter = gIter->next) {
gboolean print_full = FALSE;
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
gboolean partially_active = child_rsc->fns->active(child_rsc, FALSE);
if (pcmk__rsc_filtered_by_node(child_rsc, only_node)) {
continue;
}
if (child_rsc->fns->is_filtered(child_rsc, only_rsc, print_everything)) {
continue;
}
if (pcmk_is_set(show_opts, pcmk_show_clone_detail)) {
print_full = TRUE;
}
if (pcmk_is_set(rsc->flags, pcmk_rsc_unique)) {
// Print individual instance when unique (except stopped orphans)
if (partially_active
|| !pcmk_is_set(rsc->flags, pcmk_rsc_removed)) {
print_full = TRUE;
}
// Everything else in this block is for anonymous clones
} else if (pcmk_is_set(show_opts, pcmk_show_pending)
&& (child_rsc->pending_task != NULL)
&& strcmp(child_rsc->pending_task, "probe")) {
// Print individual instance when non-probe action is pending
print_full = TRUE;
} else if (partially_active == FALSE) {
// List stopped instances when requested (except orphans)
if (!pcmk_is_set(child_rsc->flags, pcmk_rsc_removed)
&& !pcmk_is_set(show_opts, pcmk_show_clone_detail)
&& pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
if (stopped == NULL) {
stopped = pcmk__strkey_table(free, free);
}
pcmk__insert_dup(stopped, child_rsc->id, "Stopped");
}
} else if (is_set_recursive(child_rsc, pcmk_rsc_removed, TRUE)
|| !is_set_recursive(child_rsc, pcmk_rsc_managed, FALSE)
|| is_set_recursive(child_rsc, pcmk_rsc_failed, TRUE)) {
// Print individual instance when active orphaned/unmanaged/failed
print_full = TRUE;
} else if (child_rsc->fns->active(child_rsc, TRUE)) {
// Instance of fully active anonymous clone
pcmk_node_t *location = NULL;
location = child_rsc->fns->location(child_rsc, NULL, TRUE);
if (location) {
// Instance is active on a single node
enum rsc_role_e a_role = child_rsc->fns->state(child_rsc, TRUE);
if (location->details->online == FALSE && location->details->unclean) {
print_full = TRUE;
} else if (a_role > pcmk_role_unpromoted) {
promoted_list = g_list_append(promoted_list, location);
} else {
started_list = g_list_append(started_list, location);
}
} else {
/* uncolocated group - bleh */
print_full = TRUE;
}
} else {
// Instance of partially active anonymous clone
print_full = TRUE;
}
if (print_full) {
GList *all = NULL;
clone_header(out, &rc, rsc, clone_data, desc);
/* Print every resource that's a child of this clone. */
all = g_list_prepend(all, (gpointer) "*");
out->message(out, (const char *) child_rsc->xml->name, show_opts,
child_rsc, only_node, all);
g_list_free(all);
}
}
if (pcmk_is_set(show_opts, pcmk_show_clone_detail)) {
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return pcmk_rc_ok;
}
/* Promoted */
promoted_list = g_list_sort(promoted_list, pe__cmp_node_name);
for (gIter = promoted_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
if (!pcmk__str_in_list(host->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
g_list_free(promoted_list);
if ((list_text != NULL) && (list_text->len > 0)) {
clone_header(out, &rc, rsc, clone_data, desc);
out->list_item(out, NULL, PROMOTED_INSTANCES ": [ %s ]",
(const char *) list_text->str);
g_string_truncate(list_text, 0);
}
/* Started/Unpromoted */
started_list = g_list_sort(started_list, pe__cmp_node_name);
for (gIter = started_list; gIter; gIter = gIter->next) {
pcmk_node_t *host = gIter->data;
if (!pcmk__str_in_list(host->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
continue;
}
pcmk__add_word(&list_text, 1024, host->details->uname);
active_instances++;
}
g_list_free(started_list);
if ((list_text != NULL) && (list_text->len > 0)) {
clone_header(out, &rc, rsc, clone_data, desc);
if (pcmk_is_set(rsc->flags, pcmk_rsc_promotable)) {
enum rsc_role_e role = configured_role(rsc);
if (role == pcmk_role_unpromoted) {
out->list_item(out, NULL,
UNPROMOTED_INSTANCES
" (" PCMK_META_TARGET_ROLE "): [ %s ]",
(const char *) list_text->str);
} else {
out->list_item(out, NULL, UNPROMOTED_INSTANCES ": [ %s ]",
(const char *) list_text->str);
}
} else {
out->list_item(out, NULL, "Started: [ %s ]",
(const char *) list_text->str);
}
}
if (list_text != NULL) {
g_string_free(list_text, TRUE);
}
if (pcmk_is_set(show_opts, pcmk_show_inactive_rscs)) {
if (!pcmk_is_set(rsc->flags, pcmk_rsc_unique)
&& (clone_data->clone_max > active_instances)) {
GList *nIter;
GList *list = g_hash_table_get_values(rsc->allowed_nodes);
/* Custom stopped table for non-unique clones */
if (stopped != NULL) {
g_hash_table_destroy(stopped);
stopped = NULL;
}
if (list == NULL) {
/* Clusters with PCMK_OPT_SYMMETRIC_CLUSTER=false haven't
* calculated allowed_nodes yet. If we've not probed for them
* yet, the Stopped list will be empty.
*/
list = g_hash_table_get_values(rsc->known_on);
}
list = g_list_sort(list, pe__cmp_node_name);
for (nIter = list; nIter != NULL; nIter = nIter->next) {
pcmk_node_t *node = (pcmk_node_t *) nIter->data;
if (pe_find_node(rsc->running_on, node->details->uname) == NULL &&
pcmk__str_in_list(node->details->uname, only_node,
pcmk__str_star_matches|pcmk__str_casei)) {
xmlNode *probe_op = pe__failed_probe_for_rsc(rsc, node->details->uname);
const char *state = "Stopped";
if (configured_role(rsc) == pcmk_role_stopped) {
state = "Stopped (disabled)";
}
if (stopped == NULL) {
stopped = pcmk__strkey_table(free, free);
}
if (probe_op != NULL) {
int rc;
pcmk__scan_min_int(crm_element_value(probe_op,
PCMK__XA_RC_CODE),
&rc, 0);
g_hash_table_insert(stopped, strdup(node->details->uname),
crm_strdup_printf("Stopped (%s)", services_ocf_exitcode_str(rc)));
} else {
pcmk__insert_dup(stopped, node->details->uname, state);
}
}
}
g_list_free(list);
}
if (stopped != NULL) {
GList *list = sorted_hash_table_values(stopped);
clone_header(out, &rc, rsc, clone_data, desc);
for (GList *status_iter = list; status_iter != NULL; status_iter = status_iter->next) {
const char *status = status_iter->data;
GList *nodes = nodes_with_status(stopped, status);
GString *nodes_str = node_list_to_str(nodes);
if (nodes_str != NULL) {
if (nodes_str->len > 0) {
out->list_item(out, NULL, "%s: [ %s ]", status,
(const char *) nodes_str->str);
}
g_string_free(nodes_str, TRUE);
}
g_list_free(nodes);
}
g_list_free(list);
g_hash_table_destroy(stopped);
/* If there are no instances of this clone (perhaps because there are no
* nodes configured), simply output the clone header by itself. This can
* come up in PCS testing.
*/
} else if (active_instances == 0) {
clone_header(out, &rc, rsc, clone_data, desc);
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
}
PCMK__OUTPUT_LIST_FOOTER(out, rc);
return rc;
}
void
clone_free(pcmk_resource_t * rsc)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
pcmk__rsc_trace(rsc, "Freeing %s", rsc->id);
for (GList *gIter = rsc->children; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
CRM_ASSERT(child_rsc);
pcmk__rsc_trace(child_rsc, "Freeing child %s", child_rsc->id);
free_xml(child_rsc->xml);
child_rsc->xml = NULL;
/* There could be a saved unexpanded xml */
free_xml(child_rsc->orig_xml);
child_rsc->orig_xml = NULL;
child_rsc->fns->free(child_rsc);
}
g_list_free(rsc->children);
if (clone_data) {
CRM_ASSERT(clone_data->demote_notify == NULL);
CRM_ASSERT(clone_data->stop_notify == NULL);
CRM_ASSERT(clone_data->start_notify == NULL);
CRM_ASSERT(clone_data->promote_notify == NULL);
}
common_free(rsc);
}
enum rsc_role_e
clone_resource_state(const pcmk_resource_t * rsc, gboolean current)
{
enum rsc_role_e clone_role = pcmk_role_unknown;
GList *gIter = rsc->children;
for (; gIter != NULL; gIter = gIter->next) {
pcmk_resource_t *child_rsc = (pcmk_resource_t *) gIter->data;
enum rsc_role_e a_role = child_rsc->fns->state(child_rsc, current);
if (a_role > clone_role) {
clone_role = a_role;
}
}
pcmk__rsc_trace(rsc, "%s role: %s", rsc->id, pcmk_role_text(clone_role));
return clone_role;
}
/*!
* \internal
* \brief Check whether a clone has an instance for every node
*
* \param[in] rsc Clone to check
* \param[in] scheduler Scheduler data
*/
bool
pe__is_universal_clone(const pcmk_resource_t *rsc,
const pcmk_scheduler_t *scheduler)
{
if (pcmk__is_clone(rsc)) {
clone_variant_data_t *clone_data = rsc->variant_opaque;
if (clone_data->clone_max == g_list_length(scheduler->nodes)) {
return TRUE;
}
}
return FALSE;
}
gboolean
pe__clone_is_filtered(const pcmk_resource_t *rsc, GList *only_rsc,
gboolean check_parent)
{
gboolean passes = FALSE;
clone_variant_data_t *clone_data = NULL;
if (pcmk__str_in_list(rsc_printable_id(rsc), only_rsc, pcmk__str_star_matches)) {
passes = TRUE;
} else {
get_clone_variant_data(clone_data, rsc);
passes = pcmk__str_in_list(pcmk__xe_id(clone_data->xml_obj_child),
only_rsc, pcmk__str_star_matches);
if (!passes) {
for (const GList *iter = rsc->children;
iter != NULL; iter = iter->next) {
const pcmk_resource_t *child_rsc = NULL;
child_rsc = (const pcmk_resource_t *) iter->data;
if (!child_rsc->fns->is_filtered(child_rsc, only_rsc, FALSE)) {
passes = TRUE;
break;
}
}
}
}
return !passes;
}
const char *
pe__clone_child_id(const pcmk_resource_t *rsc)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
return pcmk__xe_id(clone_data->xml_obj_child);
}
/*!
* \internal
* \brief Check whether a clone is ordered
*
* \param[in] clone Clone resource to check
*
* \return true if clone is ordered, otherwise false
*/
bool
pe__clone_is_ordered(const pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
return pcmk_is_set(clone_data->flags, pcmk__clone_ordered);
}
/*!
* \internal
* \brief Set a clone flag
*
* \param[in,out] clone Clone resource to set flag for
* \param[in] flag Clone flag to set
*
* \return Standard Pacemaker return code (either pcmk_rc_ok if flag was not
* already set or pcmk_rc_already if it was)
*/
int
pe__set_clone_flag(pcmk_resource_t *clone, enum pcmk__clone_flags flag)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
if (pcmk_is_set(clone_data->flags, flag)) {
return pcmk_rc_already;
}
clone_data->flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,
"Clone", clone->id,
clone_data->flags, flag, "flag");
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Check whether a clone flag is set
*
* \param[in] group Clone resource to check
* \param[in] flags Flag or flags to check
*
* \return \c true if all \p flags are set for \p clone, otherwise \c false
*/
bool
pe__clone_flag_is_set(const pcmk_resource_t *clone, uint32_t flags)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
CRM_ASSERT(clone_data != NULL);
return pcmk_all_flags_set(clone_data->flags, flags);
}
/*!
* \internal
* \brief Create pseudo-actions needed for promotable clones
*
* \param[in,out] clone Promotable clone to create actions for
* \param[in] any_promoting Whether any instances will be promoted
* \param[in] any_demoting Whether any instance will be demoted
*/
void
pe__create_promotable_pseudo_ops(pcmk_resource_t *clone, bool any_promoting,
bool any_demoting)
{
pcmk_action_t *action = NULL;
pcmk_action_t *action_complete = NULL;
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
// Create a "promote" action for the clone itself
action = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_PROMOTE,
!any_promoting, true);
// Create a "promoted" action for when all promotions are done
action_complete = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_PROMOTED,
!any_promoting, true);
action_complete->priority = PCMK_SCORE_INFINITY;
// Create notification pseudo-actions for promotion
if (clone_data->promote_notify == NULL) {
clone_data->promote_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_PROMOTE,
action,
action_complete);
}
// Create a "demote" action for the clone itself
action = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_DEMOTE,
!any_demoting, true);
// Create a "demoted" action for when all demotions are done
action_complete = pe__new_rsc_pseudo_action(clone, PCMK_ACTION_DEMOTED,
!any_demoting, true);
action_complete->priority = PCMK_SCORE_INFINITY;
// Create notification pseudo-actions for demotion
if (clone_data->demote_notify == NULL) {
clone_data->demote_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_DEMOTE,
action,
action_complete);
if (clone_data->promote_notify != NULL) {
order_actions(clone_data->stop_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->start_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->promote_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->start_notify->pre, pcmk__ar_ordered);
order_actions(clone_data->demote_notify->post_done,
clone_data->stop_notify->pre, pcmk__ar_ordered);
}
}
}
/*!
* \internal
* \brief Create all notification data and actions for a clone
*
* \param[in,out] clone Clone to create notifications for
*/
void
pe__create_clone_notifications(pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
pe__create_action_notifications(clone, clone_data->start_notify);
pe__create_action_notifications(clone, clone_data->stop_notify);
pe__create_action_notifications(clone, clone_data->promote_notify);
pe__create_action_notifications(clone, clone_data->demote_notify);
}
/*!
* \internal
* \brief Free all notification data for a clone
*
* \param[in,out] clone Clone to free notification data for
*/
void
pe__free_clone_notification_data(pcmk_resource_t *clone)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
pe__free_action_notification_data(clone_data->demote_notify);
clone_data->demote_notify = NULL;
pe__free_action_notification_data(clone_data->stop_notify);
clone_data->stop_notify = NULL;
pe__free_action_notification_data(clone_data->start_notify);
clone_data->start_notify = NULL;
pe__free_action_notification_data(clone_data->promote_notify);
clone_data->promote_notify = NULL;
}
/*!
* \internal
* \brief Create pseudo-actions for clone start/stop notifications
*
* \param[in,out] clone Clone to create pseudo-actions for
* \param[in,out] start Start action for \p clone
* \param[in,out] stop Stop action for \p clone
* \param[in,out] started Started action for \p clone
* \param[in,out] stopped Stopped action for \p clone
*/
void
pe__create_clone_notif_pseudo_ops(pcmk_resource_t *clone,
pcmk_action_t *start, pcmk_action_t *started,
pcmk_action_t *stop, pcmk_action_t *stopped)
{
clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, clone);
if (clone_data->start_notify == NULL) {
clone_data->start_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_START,
start, started);
}
if (clone_data->stop_notify == NULL) {
clone_data->stop_notify = pe__action_notif_pseudo_ops(clone,
PCMK_ACTION_STOP,
stop, stopped);
if ((clone_data->start_notify != NULL)
&& (clone_data->stop_notify != NULL)) {
order_actions(clone_data->stop_notify->post_done,
clone_data->start_notify->pre, pcmk__ar_ordered);
}
}
}
/*!
* \internal
* \brief Get maximum clone resource instances per node
*
* \param[in] rsc Clone resource to check
*
* \return Maximum number of \p rsc instances that can be active on one node
*/
unsigned int
pe__clone_max_per_node(const pcmk_resource_t *rsc)
{
const clone_variant_data_t *clone_data = NULL;
get_clone_variant_data(clone_data, rsc);
return clone_data->clone_node_max;
}

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