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Diffstat (limited to 'daemons/fenced/fenced_commands.c')
-rw-r--r--daemons/fenced/fenced_commands.c128
1 files changed, 65 insertions, 63 deletions
diff --git a/daemons/fenced/fenced_commands.c b/daemons/fenced/fenced_commands.c
index ba63cf8..7a62ed6 100644
--- a/daemons/fenced/fenced_commands.c
+++ b/daemons/fenced/fenced_commands.c
@@ -68,8 +68,6 @@ struct device_search_s {
static gboolean stonith_device_dispatch(gpointer user_data);
static void st_child_done(int pid, const pcmk__action_result_t *result,
void *user_data);
-static void stonith_send_reply(xmlNode * reply, int call_options, const char *remote_peer,
- pcmk__client_t *client);
static void search_devices_record_result(struct device_search_s *search, const char *device,
gboolean can_fence);
@@ -124,7 +122,7 @@ static gboolean
is_action_required(const char *action, const stonith_device_t *device)
{
return (device != NULL) && device->automatic_unfencing
- && pcmk__str_eq(action, "on", pcmk__str_none);
+ && pcmk__str_eq(action, PCMK_ACTION_ON, pcmk__str_none);
}
static int
@@ -223,11 +221,11 @@ get_action_timeout(const stonith_device_t *device, const char *action,
/* If "reboot" was requested but the device does not support it,
* we will remap to "off", so check timeout for "off" instead
*/
- if (pcmk__str_eq(action, "reboot", pcmk__str_none)
+ if (pcmk__str_eq(action, PCMK_ACTION_REBOOT, pcmk__str_none)
&& !pcmk_is_set(device->flags, st_device_supports_reboot)) {
crm_trace("%s doesn't support reboot, using timeout for off instead",
device->id);
- action = "off";
+ action = PCMK_ACTION_OFF;
}
/* If the device config specified an action-specific timeout, use it */
@@ -277,7 +275,7 @@ fenced_device_reboot_action(const char *device_id)
action = g_hash_table_lookup(device->params, "pcmk_reboot_action");
}
}
- return pcmk__s(action, "reboot");
+ return pcmk__s(action, PCMK_ACTION_REBOOT);
}
/*!
@@ -554,7 +552,7 @@ stonith_device_execute(stonith_device_t * device)
#if SUPPORT_CIBSECRETS
exec_rc = pcmk__substitute_secrets(device->id, device->params);
if (exec_rc != pcmk_rc_ok) {
- if (pcmk__str_eq(cmd->action, "stop", pcmk__str_none)) {
+ if (pcmk__str_eq(cmd->action, PCMK_ACTION_STOP, pcmk__str_none)) {
crm_info("Proceeding with stop operation for %s "
"despite being unable to load CIB secrets (%s)",
device->id, pcmk_rc_str(exec_rc));
@@ -570,14 +568,14 @@ stonith_device_execute(stonith_device_t * device)
#endif
action_str = cmd->action;
- if (pcmk__str_eq(cmd->action, "reboot", pcmk__str_none)
+ if (pcmk__str_eq(cmd->action, PCMK_ACTION_REBOOT, pcmk__str_none)
&& !pcmk_is_set(device->flags, st_device_supports_reboot)) {
crm_notice("Remapping 'reboot' action%s%s using %s to 'off' "
"because agent '%s' does not support reboot",
((cmd->target == NULL)? "" : " targeting "),
pcmk__s(cmd->target, ""), device->id, device->agent);
- action_str = "off";
+ action_str = PCMK_ACTION_OFF;
}
if (pcmk_is_set(device->flags, st_device_supports_parameter_port)) {
@@ -691,7 +689,7 @@ schedule_stonith_command(async_command_t * cmd, stonith_device_t * device)
delay_base = delay_max;
}
if (delay_max > 0) {
- // coverity[dont_call] We're not using rand() for security
+ // coverity[dontcall] It doesn't matter here if rand() is predictable
cmd->start_delay +=
((delay_max != delay_base)?(rand() % (delay_max - delay_base)):0)
+ delay_base;
@@ -948,16 +946,16 @@ read_action_metadata(stonith_device_t *device)
action = crm_element_value(match, "name");
- if (pcmk__str_eq(action, "list", pcmk__str_none)) {
+ if (pcmk__str_eq(action, PCMK_ACTION_LIST, pcmk__str_none)) {
stonith__set_device_flags(device->flags, device->id,
st_device_supports_list);
- } else if (pcmk__str_eq(action, "status", pcmk__str_none)) {
+ } else if (pcmk__str_eq(action, PCMK_ACTION_STATUS, pcmk__str_none)) {
stonith__set_device_flags(device->flags, device->id,
st_device_supports_status);
- } else if (pcmk__str_eq(action, "reboot", pcmk__str_none)) {
+ } else if (pcmk__str_eq(action, PCMK_ACTION_REBOOT, pcmk__str_none)) {
stonith__set_device_flags(device->flags, device->id,
st_device_supports_reboot);
- } else if (pcmk__str_eq(action, "on", pcmk__str_none)) {
+ } else if (pcmk__str_eq(action, PCMK_ACTION_ON, pcmk__str_none)) {
/* "automatic" means the cluster will unfence node when it joins */
/* "required" is a deprecated synonym for "automatic" */
if (pcmk__xe_attr_is_true(match, "automatic") || pcmk__xe_attr_is_true(match, "required")) {
@@ -1024,16 +1022,16 @@ xml2device_params(const char *name, const xmlNode *dev)
if (*value == '\0') {
crm_warn("Ignoring empty '%s' parameter", STONITH_ATTR_ACTION_OP);
- } else if (strcmp(value, "reboot") == 0) {
+ } else if (strcmp(value, PCMK_ACTION_REBOOT) == 0) {
crm_warn("Ignoring %s='reboot' (see stonith-action cluster property instead)",
STONITH_ATTR_ACTION_OP);
- } else if (strcmp(value, "off") == 0) {
- map_action(params, "reboot", value);
+ } else if (strcmp(value, PCMK_ACTION_OFF) == 0) {
+ map_action(params, PCMK_ACTION_REBOOT, value);
} else {
- map_action(params, "off", value);
- map_action(params, "reboot", value);
+ map_action(params, PCMK_ACTION_OFF, value);
+ map_action(params, PCMK_ACTION_REBOOT, value);
}
g_hash_table_remove(params, STONITH_ATTR_ACTION_OP);
@@ -1132,7 +1130,7 @@ build_device_from_xml(xmlNode *dev)
device->automatic_unfencing = TRUE;
}
- if (is_action_required("on", device)) {
+ if (is_action_required(PCMK_ACTION_ON, device)) {
crm_info("Fencing device '%s' requires unfencing", device->id);
}
@@ -1672,8 +1670,7 @@ unpack_level_request(xmlNode *xml, enum fenced_target_by *mode, char **target,
* search by xpath, because it might give multiple hits if the XML is the
* CIB.
*/
- if ((xml != NULL)
- && !pcmk__str_eq(TYPE(xml), XML_TAG_FENCING_LEVEL, pcmk__str_none)) {
+ if ((xml != NULL) && !pcmk__xe_is(xml, XML_TAG_FENCING_LEVEL)) {
xml = get_xpath_object("//" XML_TAG_FENCING_LEVEL, xml, LOG_WARNING);
}
@@ -1972,7 +1969,7 @@ execute_agent_action(xmlNode *msg, pcmk__action_result_t *result)
"Watchdog fence device not configured");
return;
- } else if (pcmk__str_eq(action, "list", pcmk__str_none)) {
+ } else if (pcmk__str_eq(action, PCMK_ACTION_LIST, pcmk__str_none)) {
pcmk__set_result(result, CRM_EX_OK, PCMK_EXEC_DONE, NULL);
pcmk__set_result_output(result,
list_to_string(stonith_watchdog_targets,
@@ -1980,7 +1977,7 @@ execute_agent_action(xmlNode *msg, pcmk__action_result_t *result)
NULL);
return;
- } else if (pcmk__str_eq(action, "monitor", pcmk__str_none)) {
+ } else if (pcmk__str_eq(action, PCMK_ACTION_MONITOR, pcmk__str_none)) {
pcmk__set_result(result, CRM_EX_OK, PCMK_EXEC_DONE, NULL);
return;
}
@@ -1994,7 +1991,8 @@ execute_agent_action(xmlNode *msg, pcmk__action_result_t *result)
"'%s' not found", id);
return;
- } else if (!device->api_registered && !strcmp(action, "monitor")) {
+ } else if (!device->api_registered
+ && (strcmp(action, PCMK_ACTION_MONITOR) == 0)) {
// Monitors may run only on "started" (API-registered) devices
crm_info("Ignoring API '%s' action request because device %s not active",
action, id);
@@ -2104,14 +2102,14 @@ localhost_is_eligible_with_remap(const stonith_device_t *device,
// Check potential remaps
- if (pcmk__str_eq(action, "reboot", pcmk__str_none)) {
+ if (pcmk__str_eq(action, PCMK_ACTION_REBOOT, pcmk__str_none)) {
/* "reboot" might get remapped to "off" then "on", so even if reboot is
* disallowed, return true if either of those is allowed. We'll report
* the disallowed actions with the results. We never allow self-fencing
* for remapped "on" actions because the target is off at that point.
*/
- if (localhost_is_eligible(device, "off", target, allow_self)
- || localhost_is_eligible(device, "on", target, FALSE)) {
+ if (localhost_is_eligible(device, PCMK_ACTION_OFF, target, allow_self)
+ || localhost_is_eligible(device, PCMK_ACTION_ON, target, FALSE)) {
return true;
}
}
@@ -2146,7 +2144,7 @@ can_fence_host_with_device(stonith_device_t *dev,
/* Answer immediately if the device does not support the action
* or the local node is not allowed to perform it
*/
- if (pcmk__str_eq(action, "on", pcmk__str_none)
+ if (pcmk__str_eq(action, PCMK_ACTION_ON, pcmk__str_none)
&& !pcmk_is_set(dev->flags, st_device_supports_on)) {
check_type = "Agent does not support 'on'";
goto search_report_results;
@@ -2175,7 +2173,8 @@ can_fence_host_with_device(stonith_device_t *dev,
time_t now = time(NULL);
if (dev->targets == NULL || dev->targets_age + 60 < now) {
- int device_timeout = get_action_timeout(dev, "list", search->per_device_timeout);
+ int device_timeout = get_action_timeout(dev, PCMK_ACTION_LIST,
+ search->per_device_timeout);
if (device_timeout > search->per_device_timeout) {
crm_notice("Since the pcmk_list_timeout(%ds) parameter of %s is larger than stonith-timeout(%ds), timeout may occur",
@@ -2185,7 +2184,7 @@ can_fence_host_with_device(stonith_device_t *dev,
crm_trace("Running '%s' to check whether %s is eligible to fence %s (%s)",
check_type, dev_id, target, action);
- schedule_internal_command(__func__, dev, "list", NULL,
+ schedule_internal_command(__func__, dev, PCMK_ACTION_LIST, NULL,
search->per_device_timeout, search, dynamic_list_search_cb);
/* we'll respond to this search request async in the cb */
@@ -2207,7 +2206,7 @@ can_fence_host_with_device(stonith_device_t *dev,
crm_trace("Running '%s' to check whether %s is eligible to fence %s (%s)",
check_type, dev_id, target, action);
- schedule_internal_command(__func__, dev, "status", target,
+ schedule_internal_command(__func__, dev, PCMK_ACTION_STATUS, target,
search->per_device_timeout, search, status_search_cb);
/* we'll respond to this search request async in the cb */
return;
@@ -2384,6 +2383,30 @@ add_action_reply(xmlNode *xml, const char *action,
add_disallowed(child, action, device, target, allow_suicide);
}
+/*!
+ * \internal
+ * \brief Send a reply to a CPG peer or IPC client
+ *
+ * \param[in] reply XML reply to send
+ * \param[in] call_options Send synchronously if st_opt_sync_call is set
+ * \param[in] remote_peer If not NULL, name of peer node to send CPG reply
+ * \param[in,out] client If not NULL, client to send IPC reply
+ */
+static void
+stonith_send_reply(const xmlNode *reply, int call_options,
+ const char *remote_peer, pcmk__client_t *client)
+{
+ CRM_CHECK((reply != NULL) && ((remote_peer != NULL) || (client != NULL)),
+ return);
+
+ if (remote_peer == NULL) {
+ do_local_reply(reply, client, call_options);
+ } else {
+ send_cluster_message(crm_get_peer(0, remote_peer), crm_msg_stonith_ng,
+ reply, FALSE);
+ }
+}
+
static void
stonith_query_capable_device_cb(GList * devices, void *user_data)
{
@@ -2429,15 +2452,16 @@ stonith_query_capable_device_cb(GList * devices, void *user_data)
* capable device that doesn't support "reboot", remap to "off" instead.
*/
if (!pcmk_is_set(device->flags, st_device_supports_reboot)
- && pcmk__str_eq(query->action, "reboot", pcmk__str_none)) {
+ && pcmk__str_eq(query->action, PCMK_ACTION_REBOOT,
+ pcmk__str_none)) {
crm_trace("%s doesn't support reboot, using values for off instead",
device->id);
- action = "off";
+ action = PCMK_ACTION_OFF;
}
/* Add action-specific values if available */
add_action_specific_attributes(dev, action, device, query->target);
- if (pcmk__str_eq(query->action, "reboot", pcmk__str_none)) {
+ if (pcmk__str_eq(query->action, PCMK_ACTION_REBOOT, pcmk__str_none)) {
/* A "reboot" *might* get remapped to "off" then "on", so after
* sending the "reboot"-specific values in the main element, we add
* sub-elements for "off" and "on" values.
@@ -2451,9 +2475,9 @@ stonith_query_capable_device_cb(GList * devices, void *user_data)
*/
add_disallowed(dev, action, device, query->target,
pcmk_is_set(query->call_options, st_opt_allow_suicide));
- add_action_reply(dev, "off", device, query->target,
+ add_action_reply(dev, PCMK_ACTION_OFF, device, query->target,
pcmk_is_set(query->call_options, st_opt_allow_suicide));
- add_action_reply(dev, "on", device, query->target, FALSE);
+ add_action_reply(dev, PCMK_ACTION_ON, device, query->target, FALSE);
}
/* A query without a target wants device parameters */
@@ -2765,8 +2789,10 @@ st_child_done(int pid, const pcmk__action_result_t *result, void *user_data)
/* The device is ready to do something else now */
if (device) {
- if (!device->verified && pcmk__result_ok(result) &&
- (pcmk__strcase_any_of(cmd->action, "list", "monitor", "status", NULL))) {
+ if (!device->verified && pcmk__result_ok(result)
+ && pcmk__strcase_any_of(cmd->action, PCMK_ACTION_LIST,
+ PCMK_ACTION_MONITOR, PCMK_ACTION_STATUS,
+ NULL)) {
device->verified = TRUE;
}
@@ -3052,30 +3078,6 @@ check_alternate_host(const char *target)
return NULL;
}
-/*!
- * \internal
- * \brief Send a reply to a CPG peer or IPC client
- *
- * \param[in] reply XML reply to send
- * \param[in] call_options Send synchronously if st_opt_sync_call is set
- * \param[in] remote_peer If not NULL, name of peer node to send CPG reply
- * \param[in,out] client If not NULL, client to send IPC reply
- */
-static void
-stonith_send_reply(xmlNode *reply, int call_options, const char *remote_peer,
- pcmk__client_t *client)
-{
- CRM_CHECK((reply != NULL) && ((remote_peer != NULL) || (client != NULL)),
- return);
-
- if (remote_peer == NULL) {
- do_local_reply(reply, client, call_options);
- } else {
- send_cluster_message(crm_get_peer(0, remote_peer), crm_msg_stonith_ng,
- reply, FALSE);
- }
-}
-
static void
remove_relay_op(xmlNode * request)
{