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1 /* 2 * Copyright 2019-2020 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 #ifndef PCMKI_STONITH_H 10 # define PCMKI_STONITH_H 11 12 # include <crm/stonith-ng.h> 13 # include <crm/common/output_internal.h> 14 15 /*! 16 * \brief Perform a STONITH action. 17 * 18 * \note This is the internal version of pcmk_fence_action(). External users 19 * of the pacemaker API should use that function instead. 20 * 21 * \param[in] st A connection to the STONITH API. 22 * \param[in] target The node receiving the action. 23 * \param[in] action The action to perform. 24 * \param[in] name Who requested the fence action? 25 * \param[in] timeout How long to wait for the operation to complete (in ms). 26 * \param[in] tolerance If a successful action for \p target happened within 27 * this many ms, return 0 without performing the action 28 * again. 29 * \param[in] delay Apply a fencing delay. Value -1 means disable also any 30 * static/random fencing delays from pcmk_delay_base/max 31 * 32 * \return Standard Pacemaker return code 33 */ 34 int pcmk__fence_action(stonith_t *st, const char *target, const char *action, 35 const char *name, unsigned int timeout, unsigned int tolerance, 36 int delay); 37 38 /*! 39 * \brief List the fencing operations that have occurred for a specific node. 40 * 41 * \note This is the internal version of pcmk_fence_history(). External users 42 * of the pacemaker API should use that function instead. 43 * 44 * \note \p out should be initialized with pcmk__output_new() before calling this 45 * function and destroyed with out->finish and pcmk__output_free() before 46 * reusing it with any other functions in this library. 47 * 48 * \param[in,out] out The output functions structure. 49 * \param[in] st A connection to the STONITH API. 50 * \param[in] target The node to get history for. 51 * \param[in] timeout How long to wait for the operation to complete (in ms). 52 * \param[in] verbose Include additional output. 53 * \param[in] broadcast Gather fencing history from all nodes. 54 * \param[in] cleanup Clean up fencing history after listing. 55 * 56 * \return Standard Pacemaker return code 57 */ 58 int pcmk__fence_history(pcmk__output_t *out, stonith_t *st, char *target, 59 unsigned int timeout, int verbose, bool broadcast, 60 bool cleanup); 61 62 /** 63 * \brief List all installed STONITH agents. 64 * 65 * \note This is the internal version of pcmk_fence_installed(). External users 66 * of the pacemaker API should use that function instead. 67 * 68 * \note \p out should be initialized with pcmk__output_new() before calling this 69 * function and destroyed with out->finish and pcmk__output_free() before 70 * reusing it with any other functions in this library. 71 * 72 * \param[in,out] out The output functions structure. 73 * \param[in] st A connection to the STONITH API. 74 * \param[in] timeout How long to wait for the operation to complete (in ms). 75 * 76 * \return Standard Pacemaker return code 77 */ 78 int pcmk__fence_installed(pcmk__output_t *out, stonith_t *st, unsigned int timeout); 79 80 /*! 81 * \brief When was a device last fenced? 82 * 83 * \note This is the internal version of pcmk_fence_last(). External users 84 * of the pacemaker API should use that function instead. 85 * 86 * \note \p out should be initialized with pcmk__output_new() before calling this 87 * function and destroyed with out->finish and pcmk__output_free() before 88 * reusing it with any other functions in this library. 89 * 90 * \param[in,out] out The output functions structure. 91 * \param[in] target The node that was fenced. 92 * \param[in] as_nodeid 93 * 94 * \return Standard Pacemaker return code 95 */ 96 int pcmk__fence_last(pcmk__output_t *out, const char *target, bool as_nodeid); 97 98 /*! 99 * \brief List nodes that can be fenced. 100 * 101 * \note This is the internal version of pcmk_fence_list_targets(). External users 102 * of the pacemaker API should use that function instead. 103 * 104 * \note \p out should be initialized with pcmk__output_new() before calling this 105 * function and destroyed with out->finish and pcmk__output_free() before 106 * reusing it with any other functions in this library. 107 * 108 * \param[in,out] out The output functions structure 109 * \param[in] st A connection to the STONITH API 110 * \param[in] device_id Resource ID of fence device to check 111 * \param[in] timeout How long to wait for the operation to complete (in ms) 112 * 113 * \return Standard Pacemaker return code 114 */ 115 int pcmk__fence_list_targets(pcmk__output_t *out, stonith_t *st, 116 const char *device_id, unsigned int timeout); 117 118 /*! 119 * \brief Get metadata for a resource. 120 * 121 * \note This is the internal version of pcmk_fence_metadata(). External users 122 * of the pacemaker API should use that function instead. 123 * 124 * \note \p out should be initialized with pcmk__output_new() before calling this 125 * function and destroyed with out->finish and pcmk__output_free() before 126 * reusing it with any other functions in this library. 127 * 128 * \param[in,out] out The output functions structure. 129 * \param[in] st A connection to the STONITH API. 130 * \param[in] agent The fence agent to get metadata for. 131 * \param[in] timeout How long to wait for the operation to complete (in ms). 132 * 133 * \return Standard Pacemaker return code 134 */ 135 int pcmk__fence_metadata(pcmk__output_t *out, stonith_t *st, char *agent, 136 unsigned int timeout); 137 138 /*! 139 * \brief List registered fence devices. 140 * 141 * \note This is the internal version of pcmk_fence_metadata(). External users 142 * of the pacemaker API should use that function instead. 143 * 144 * \note \p out should be initialized with pcmk__output_new() before calling this 145 * function and destroyed with out->finish and pcmk__output_free() before 146 * reusing it with any other functions in this library. 147 * 148 * \param[in,out] out The output functions structure. 149 * \param[in] st A connection to the STONITH API. 150 * \param[in] target If not NULL, only return devices that can fence 151 * this node. 152 * \param[in] timeout How long to wait for the operation to complete (in ms). 153 * 154 * \return Standard Pacemaker return code 155 */ 156 int pcmk__fence_registered(pcmk__output_t *out, stonith_t *st, char *target, 157 unsigned int timeout); 158 159 /*! 160 * \brief Register a fencing level for a specific node, node regex, or attribute. 161 * 162 * \note This is the internal version of pcmk_fence_register_level(). External users 163 * of the pacemaker API should use that function instead. 164 * 165 * \p target can take three different forms: 166 * - name=value, in which case \p target is an attribute. 167 * - @pattern, in which case \p target is a node regex. 168 * - Otherwise, \p target is a node name. 169 * 170 * \param[in] st A connection to the STONITH API. 171 * \param[in] target The object to register a fencing level for. 172 * \param[in] fence_level Index number of level to add. 173 * \param[in] devices Devices to use in level. 174 * 175 * \return Standard Pacemaker return code 176 */ 177 int pcmk__fence_register_level(stonith_t *st, char *target, int fence_level, 178 stonith_key_value_t *devices); 179 180 /*! 181 * \brief Unregister a fencing level for a specific node, node regex, or attribute. 182 * 183 * \note This is the internal version of pcmk_fence_unregister_level(). External users 184 * of the pacemaker API should use that function instead. 185 * 186 * \p target can take three different forms: 187 * - name=value, in which case \p target is an attribute. 188 * - @pattern, in which case \p target is a node regex. 189 * - Otherwise, \p target is a node name. 190 * 191 * \param[in] st A connection to the STONITH API. 192 * \param[in] target The object to unregister a fencing level for. 193 * \param[in] fence_level Index number of level to remove. 194 * 195 * \return Standard Pacemaker return code 196 */ 197 int pcmk__fence_unregister_level(stonith_t *st, char *target, int fence_level); 198 199 /** 200 * \brief Validate a STONITH device configuration. 201 * 202 * \note This is the internal version of pcmk_stonith_validate(). External users 203 * of the pacemaker API should use that function instead. 204 * 205 * \note \p out should be initialized with pcmk__output_new() before calling this 206 * function and destroyed with out->finish and pcmk__output_free() before 207 * reusing it with any other functions in this library. 208 * 209 * \param[in,out] out The output functions structure. 210 * \param[in] st A connection to the STONITH API. 211 * \param[in] agent The agent to validate (for example, "fence_xvm"). 212 * \param[in] id STONITH device ID (may be NULL). 213 * \param[in] params STONITH device configuration parameters. 214 * \param[in] timeout How long to wait for the operation to complete (in ms). 215 * 216 * \return Standard Pacemaker return code 217 */ 218 int pcmk__fence_validate(pcmk__output_t *out, stonith_t *st, const char *agent, 219 const char *id, stonith_key_value_t *params, 220 unsigned int timeout); 221 222 #endif
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