root/include/crm/fencing/internal.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. stonith__op_state_pending

   1 /*
   2  * Copyright 2011-2021 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU Lesser General Public License
   7  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #ifndef STONITH_NG_INTERNAL__H
  11 #  define STONITH_NG_INTERNAL__H
  12 
  13 #  include <glib.h>
  14 #  include <crm/common/ipc.h>
  15 #  include <crm/common/xml.h>
  16 #  include <crm/common/output_internal.h>
  17 #  include <crm/stonith-ng.h>
  18 
  19 enum st_device_flags
  20 {
  21     st_device_supports_list   = 0x0001,
  22     st_device_supports_status = 0x0002,
  23     st_device_supports_reboot = 0x0004,
  24     st_device_supports_parameter_plug = 0x0008,
  25     st_device_supports_parameter_port = 0x0010,
  26 };
  27 
  28 #define stonith__set_device_flags(device_flags, device_id, flags_to_set) do { \
  29         device_flags = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,      \
  30                                           "Fence device", device_id,          \
  31                                           (device_flags), (flags_to_set),     \
  32                                           #flags_to_set);                     \
  33     } while (0)
  34 
  35 #define stonith__set_call_options(st_call_opts, call_for, flags_to_set) do { \
  36         st_call_opts = pcmk__set_flags_as(__func__, __LINE__, LOG_TRACE,     \
  37                                           "Fencer call", (call_for),         \
  38                                           (st_call_opts), (flags_to_set),    \
  39                                           #flags_to_set);                    \
  40     } while (0)
  41 
  42 #define stonith__clear_call_options(st_call_opts, call_for, flags_to_clear) do { \
  43         st_call_opts = pcmk__clear_flags_as(__func__, __LINE__, LOG_TRACE,     \
  44                                             "Fencer call", (call_for),         \
  45                                             (st_call_opts), (flags_to_clear),  \
  46                                             #flags_to_clear);                  \
  47     } while (0)
  48 
  49 struct stonith_action_s;
  50 typedef struct stonith_action_s stonith_action_t;
  51 
  52 stonith_action_t *stonith_action_create(const char *agent,
  53                                         const char *_action,
  54                                         const char *victim,
  55                                         uint32_t victim_nodeid,
  56                                         int timeout,
  57                                         GHashTable * device_args,
  58                                         GHashTable * port_map,
  59                                         const char * host_arg);
  60 void stonith__destroy_action(stonith_action_t *action);
  61 void stonith__action_result(stonith_action_t *action, int *rc, char **output,
  62                             char **error_output);
  63 
  64 int
  65 stonith_action_execute_async(stonith_action_t * action,
  66                              void *userdata,
  67                              void (*done) (int pid, int rc, const char *output,
  68                                            void *user_data),
  69                              void (*fork_cb) (int pid, void *user_data));
  70 
  71 xmlNode *create_level_registration_xml(const char *node, const char *pattern,
  72                                        const char *attr, const char *value,
  73                                        int level,
  74                                        stonith_key_value_t *device_list);
  75 
  76 xmlNode *create_device_registration_xml(const char *id,
  77                                         enum stonith_namespace namespace,
  78                                         const char *agent,
  79                                         stonith_key_value_t *params,
  80                                         const char *rsc_provides);
  81 
  82 void stonith__register_messages(pcmk__output_t *out);
  83 
  84 GList *stonith__parse_targets(const char *hosts);
  85 
  86 gboolean stonith__later_succeeded(stonith_history_t *event, stonith_history_t *top_history);
  87 stonith_history_t *stonith__sort_history(stonith_history_t *history);
  88 
  89 void stonith__device_parameter_flags(uint32_t *device_flags,
  90                                      const char *device_name,
  91                                      xmlNode *metadata);
  92 
  93 #  define ST_LEVEL_MAX 10
  94 
  95 #  define F_STONITH_CLIENTID      "st_clientid"
  96 #  define F_STONITH_CALLOPTS      "st_callopt"
  97 #  define F_STONITH_CALLID        "st_callid"
  98 #  define F_STONITH_CALLDATA      "st_calldata"
  99 #  define F_STONITH_OPERATION     "st_op"
 100 #  define F_STONITH_TARGET        "st_target"
 101 #  define F_STONITH_REMOTE_OP_ID  "st_remote_op"
 102 #  define F_STONITH_REMOTE_OP_ID_RELAY  "st_remote_op_relay"
 103 #  define F_STONITH_RC            "st_rc"
 104 /*! Timeout period per a device execution */
 105 #  define F_STONITH_TIMEOUT       "st_timeout"
 106 #  define F_STONITH_TOLERANCE     "st_tolerance"
 107 #  define F_STONITH_DELAY         "st_delay"
 108 /*! Action specific timeout period returned in query of fencing devices. */
 109 #  define F_STONITH_ACTION_TIMEOUT       "st_action_timeout"
 110 /*! Host in query result is not allowed to run this action */
 111 #  define F_STONITH_ACTION_DISALLOWED     "st_action_disallowed"
 112 /*! Maximum of random fencing delay for a device */
 113 #  define F_STONITH_DELAY_MAX            "st_delay_max"
 114 /*! Base delay used for a fencing delay */
 115 #  define F_STONITH_DELAY_BASE           "st_delay_base"
 116 /*! Has this device been verified using a monitor type
 117  *  operation (monitor, list, status) */
 118 #  define F_STONITH_DEVICE_VERIFIED   "st_monitor_verified"
 119 /*! device is required for this action */
 120 #  define F_STONITH_DEVICE_REQUIRED   "st_required"
 121 /*! number of available devices in query result */
 122 #  define F_STONITH_AVAILABLE_DEVICES "st-available-devices"
 123 #  define F_STONITH_CALLBACK_TOKEN    "st_async_id"
 124 #  define F_STONITH_CLIENTNAME        "st_clientname"
 125 #  define F_STONITH_CLIENTNODE        "st_clientnode"
 126 #  define F_STONITH_NOTIFY_ACTIVATE   "st_notify_activate"
 127 #  define F_STONITH_NOTIFY_DEACTIVATE "st_notify_deactivate"
 128 #  define F_STONITH_DELEGATE      "st_delegate"
 129 /*! The node initiating the stonith operation.  If an operation
 130  * is relayed, this is the last node the operation lands on. When
 131  * in standalone mode, origin is the client's id that originated the
 132  * operation. */
 133 #  define F_STONITH_ORIGIN        "st_origin"
 134 #  define F_STONITH_HISTORY_LIST  "st_history"
 135 #  define F_STONITH_DATE          "st_date"
 136 #  define F_STONITH_DATE_NSEC     "st_date_nsec"
 137 #  define F_STONITH_STATE         "st_state"
 138 #  define F_STONITH_ACTIVE        "st_active"
 139 #  define F_STONITH_DIFFERENTIAL  "st_differential"
 140 
 141 #  define F_STONITH_DEVICE        "st_device_id"
 142 #  define F_STONITH_ACTION        "st_device_action"
 143 #  define F_STONITH_MERGED        "st_op_merged"
 144 
 145 #  define T_STONITH_NG        "stonith-ng"
 146 #  define T_STONITH_REPLY     "st-reply"
 147 /*! For async operations, an event from the server containing
 148  * the total amount of time the server is allowing for the operation
 149  * to take place is returned to the client. */
 150 #  define T_STONITH_TIMEOUT_VALUE "st-async-timeout-value"
 151 #  define T_STONITH_NOTIFY    "st_notify"
 152 
 153 #  define STONITH_ATTR_ACTION_OP   "action"
 154 
 155 #  define STONITH_OP_EXEC        "st_execute"
 156 #  define STONITH_OP_TIMEOUT_UPDATE        "st_timeout_update"
 157 #  define STONITH_OP_QUERY       "st_query"
 158 #  define STONITH_OP_FENCE       "st_fence"
 159 #  define STONITH_OP_RELAY       "st_relay"
 160 #  define STONITH_OP_DEVICE_ADD      "st_device_register"
 161 #  define STONITH_OP_DEVICE_DEL      "st_device_remove"
 162 #  define STONITH_OP_FENCE_HISTORY   "st_fence_history"
 163 #  define STONITH_OP_LEVEL_ADD       "st_level_add"
 164 #  define STONITH_OP_LEVEL_DEL       "st_level_remove"
 165 
 166 #  define STONITH_WATCHDOG_AGENT          "fence_watchdog"
 167 /* Don't change 2 below as it would break rolling upgrade */
 168 #  define STONITH_WATCHDOG_AGENT_INTERNAL "#watchdog"
 169 #  define STONITH_WATCHDOG_ID             "watchdog"
 170 
 171 /* Exported for crm_mon to reference */
 172 int stonith__failed_history(pcmk__output_t *out, va_list args);
 173 int stonith__history(pcmk__output_t *out, va_list args);
 174 int stonith__full_history(pcmk__output_t *out, va_list args);
 175 int stonith__pending_actions(pcmk__output_t *out, va_list args);
 176 
 177 stonith_history_t *stonith__first_matching_event(stonith_history_t *history,
 178                                                  bool (*matching_fn)(stonith_history_t *, void *),
 179                                                  void *user_data);
 180 bool stonith__event_state_pending(stonith_history_t *history, void *user_data);
 181 bool stonith__event_state_eq(stonith_history_t *history, void *user_data);
 182 bool stonith__event_state_neq(stonith_history_t *history, void *user_data);
 183 
 184 /*!
 185  * \internal
 186  * \brief Is a fencing operation in pending state?
 187  *
 188  * \param[in] state     State as enum op_state value
 189  *
 190  * \return A boolean
 191  */
 192 static inline bool
 193 stonith__op_state_pending(enum op_state state)
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 194 {
 195     return state != st_failed && state != st_done;
 196 }
 197 
 198 gboolean stonith__watchdog_fencing_enabled_for_node(const char *node);
 199 gboolean stonith__watchdog_fencing_enabled_for_node_api(stonith_t *st, const char *node);
 200 
 201 #endif

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