pacemaker  1.1.14-70404b0
Scalable High-Availability cluster resource manager
status.h
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1 /*
2  * Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This software is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 #ifndef PENGINE_STATUS__H
19 # define PENGINE_STATUS__H
20 
21 # include <glib.h>
22 # include <crm/common/iso8601.h>
23 # include <crm/pengine/common.h>
24 
25 typedef struct node_s pe_node_t;
26 typedef struct node_s node_t;
27 typedef struct pe_action_s action_t;
28 typedef struct pe_action_s pe_action_t;
29 typedef struct resource_s resource_t;
30 typedef struct ticket_s ticket_t;
31 
32 typedef enum no_quorum_policy_e {
38 
39 enum node_type {
43 };
44 
45 enum pe_restart {
48 };
49 
50 enum pe_find {
51  pe_find_renamed = 0x001,
52  pe_find_clone = 0x004,
53  pe_find_current = 0x008,
55 };
56 
57 # define pe_flag_have_quorum 0x00000001ULL
58 # define pe_flag_symmetric_cluster 0x00000002ULL
59 # define pe_flag_is_managed_default 0x00000004ULL
60 # define pe_flag_maintenance_mode 0x00000008ULL
61 
62 # define pe_flag_stonith_enabled 0x00000010ULL
63 # define pe_flag_have_stonith_resource 0x00000020ULL
64 # define pe_flag_enable_unfencing 0x00000040ULL
65 
66 # define pe_flag_stop_rsc_orphans 0x00000100ULL
67 # define pe_flag_stop_action_orphans 0x00000200ULL
68 # define pe_flag_stop_everything 0x00000400ULL
69 
70 # define pe_flag_start_failure_fatal 0x00001000ULL
71 # define pe_flag_remove_after_stop 0x00002000ULL
72 
73 # define pe_flag_startup_probes 0x00010000ULL
74 # define pe_flag_have_status 0x00020000ULL
75 # define pe_flag_have_remote_nodes 0x00040000ULL
76 
77 # define pe_flag_quick_location 0x00100000ULL
78 # define pe_flag_sanitized 0x00200000ULL
79 
80 typedef struct pe_working_set_s {
81  xmlNode *input;
83 
84  /* options extracted from the input */
85  char *dc_uuid;
87  const char *stonith_action;
88  const char *placement_strategy;
89 
90  unsigned long long flags;
91 
95 
96  GHashTable *config_hash;
97  GHashTable *tickets;
98  GHashTable *singletons; /* Actions for which there can be only one - ie. fence nodeX */
99 
106 
108  xmlNode *failed;
109  xmlNode *op_defaults;
110  xmlNode *rsc_defaults;
111 
112  /* stats */
115  int order_id;
117 
118  /* final output */
119  xmlNode *graph;
120 
121  GHashTable *template_rsc_sets;
122  const char *localhost;
123  GHashTable *tags;
124 
126 
128  const char *id;
129  const char *uname;
130 /* Make all these flags into a bitfield one day */
131  gboolean online;
132  gboolean standby;
133  gboolean standby_onfail;
134  gboolean pending;
135  gboolean unclean;
136  gboolean unseen;
137  gboolean shutdown;
138  gboolean expected_up;
139  gboolean is_dc;
140 
142  GListPtr running_rsc; /* resource_t* */
143  GListPtr allocated_rsc; /* resource_t* */
144 
146 
147  GHashTable *attrs; /* char* => char* */
149 
150  GHashTable *utilization;
151 
153  GHashTable *digest_cache;
154 
155  gboolean maintenance;
159 };
160 
161 struct node_s {
162  int weight;
163  gboolean fixed;
164  int count;
167 };
168 
169 # include <crm/pengine/complex.h>
170 
171 # define pe_rsc_orphan 0x00000001ULL
172 # define pe_rsc_managed 0x00000002ULL
173 # define pe_rsc_block 0x00000004ULL /* Further operations are prohibited due to failure policy */
174 # define pe_rsc_orphan_container_filler 0x00000008ULL
175 
176 # define pe_rsc_notify 0x00000010ULL
177 # define pe_rsc_unique 0x00000020ULL
178 # define pe_rsc_fence_device 0x00000040ULL
179 
180 # define pe_rsc_provisional 0x00000100ULL
181 # define pe_rsc_allocating 0x00000200ULL
182 # define pe_rsc_merging 0x00000400ULL
183 # define pe_rsc_munging 0x00000800ULL
184 
185 # define pe_rsc_try_reload 0x00001000ULL
186 # define pe_rsc_reload 0x00002000ULL
187 
188 # define pe_rsc_failed 0x00010000ULL
189 # define pe_rsc_shutdown 0x00020000ULL
190 # define pe_rsc_runnable 0x00040000ULL
191 # define pe_rsc_start_pending 0x00080000ULL
192 
193 # define pe_rsc_starting 0x00100000ULL
194 # define pe_rsc_stopping 0x00200000ULL
195 # define pe_rsc_migrating 0x00400000ULL
196 # define pe_rsc_allow_migrate 0x00800000ULL
197 
198 # define pe_rsc_failure_ignored 0x01000000ULL
199 # define pe_rsc_unexpectedly_running 0x02000000ULL
200 # define pe_rsc_maintenance 0x04000000ULL
201 
202 # define pe_rsc_needs_quorum 0x10000000ULL
203 # define pe_rsc_needs_fencing 0x20000000ULL
204 # define pe_rsc_needs_unfencing 0x40000000ULL
205 # define pe_rsc_have_unfencing 0x80000000ULL
206 
208  pe_graph_none = 0x00000,
211  pe_graph_disable = 0x00004,
212 };
213 
214 /* *INDENT-OFF* */
216  pe_action_pseudo = 0x00001,
220 
222  pe_action_failure_is_fatal = 0x00020, /* no longer used, here for API compatibility */
225 
226  pe_action_dumped = 0x00100,
228  pe_action_clear = 0x00400,
229  pe_action_dangle = 0x00800,
230 
231  pe_action_requires_any = 0x01000, /* This action requires one or mre of its dependencies to be runnable
232  * We use this to clear the runnable flag before checking dependencies
233  */
236 };
237 /* *INDENT-ON* */
238 
239 struct resource_s {
240  char *id;
241  char *clone_name;
242  xmlNode *xml;
243  xmlNode *orig_xml;
244  xmlNode *ops_xml;
245 
248  enum pe_obj_types variant;
251 
252  enum rsc_recovery_type recovery_type;
253  enum pe_restart restart_type;
254 
255  int priority;
261 
262  gboolean is_remote_node;
263 
264  unsigned long long flags;
265 
266  GListPtr rsc_cons_lhs; /* rsc_colocation_t* */
267  GListPtr rsc_cons; /* rsc_colocation_t* */
268  GListPtr rsc_location; /* rsc_to_node_t* */
269  GListPtr actions; /* action_t* */
270  GListPtr rsc_tickets; /* rsc_ticket* */
271 
273  GListPtr running_on; /* node_t* */
274  GHashTable *known_on; /* node_t* */
275  GHashTable *allowed_nodes; /* node_t* */
276 
277  enum rsc_role_e role;
278  enum rsc_role_e next_role;
279 
280  GHashTable *meta;
281  GHashTable *parameters;
282  GHashTable *utilization;
283 
284  GListPtr children; /* resource_t* */
286 
289 
292 
294 
295  const char *isolation_wrapper;
298 };
299 
300 struct pe_action_s {
301  int id;
302  int priority;
303 
306  xmlNode *op_entry;
307 
308  char *task;
309  char *uuid;
310  char *cancel_task;
311 
314  enum action_fail_response on_fail;
315  enum rsc_role_e fail_role;
316 
321 
323 
324  GHashTable *meta;
325  GHashTable *extra;
326 
327  /*
328  * These two varables are associated with the constraint logic
329  * that involves first having one or more actions runnable before
330  * then allowing this action to execute.
331  *
332  * These varables are used with features such as 'clone-min' which
333  * requires at minimum X number of cloned instances to be running
334  * before an order dependency can run. Another option that uses
335  * this is 'require-all=false' in ordering constrants. This option
336  * says "only required one instance of a resource to start before
337  * allowing dependencies to start" basicall require-all=false is
338  * the same as clone-min=1.
339  */
340 
341  /* current number of known runnable actions in the before list. */
343  /* the number of "before" runnable actions required for this action
344  * to be considered runnable */
346 
347  GListPtr actions_before; /* action_warpper_t* */
348  GListPtr actions_after; /* action_warpper_t* */
349 };
350 
351 struct ticket_s {
352  char *id;
353  gboolean granted;
354  time_t last_granted;
355  gboolean standby;
356  GHashTable *state;
357 };
358 
359 typedef struct tag_s {
360  char *id;
362 } tag_t;
363 
368 };
369 
370 /* *INDENT-OFF* */
372  pe_order_none = 0x0, /* deleted */
373  pe_order_optional = 0x1, /* pure ordering, nothing implied */
374  pe_order_apply_first_non_migratable = 0x2, /* Only apply this constraint's ordering if first is not migratable. */
375 
376  pe_order_implies_first = 0x10, /* If 'then' is required, ensure 'first' is too */
377  pe_order_implies_then = 0x20, /* If 'first' is required, ensure 'then' is too */
378  pe_order_implies_first_master = 0x40, /* Imply 'first' is required when 'then' is required and then's rsc holds Master role. */
379 
380  /* first requires then to be both runnable and migrate runnable. */
382 
383  pe_order_runnable_left = 0x100, /* 'then' requires 'first' to be runnable */
384 
385  pe_order_pseudo_left = 0x200, /* 'then' can only be pseudo if 'first' is runnable */
386  pe_order_implies_then_on_node = 0x400, /* If 'first' is required on 'nodeX',
387  * ensure instances of 'then' on 'nodeX' are too.
388  * Only really useful if 'then' is a clone and 'first' is not
389  */
390 
391  pe_order_restart = 0x1000, /* 'then' is runnable if 'first' is optional or runnable */
392  pe_order_stonith_stop = 0x2000, /* only applies if the action is non-pseudo */
393  pe_order_serialize_only = 0x4000, /* serialize */
394 
395  pe_order_implies_first_printed = 0x10000, /* Like ..implies_first but only ensures 'first' is printed, not manditory */
396  pe_order_implies_then_printed = 0x20000, /* Like ..implies_then but only ensures 'then' is printed, not manditory */
397 
398  pe_order_asymmetrical = 0x100000, /* Indicates asymmetrical one way ordering constraint. */
399  pe_order_load = 0x200000, /* Only relevant if... */
400  pe_order_one_or_more = 0x400000, /* 'then' is only runnable if one or more of it's dependencies are too */
402 
403  pe_order_preserve = 0x1000000, /* Hack for breaking user ordering constraints with container resources */
404  pe_order_trace = 0x4000000, /* test marker */
405 };
406 /* *INDENT-ON* */
407 
411  enum pe_link_state state;
413 };
414 
415 const char *rsc_printable_id(resource_t *rsc);
416 gboolean cluster_status(pe_working_set_t * data_set);
418 void cleanup_calculations(pe_working_set_t * data_set);
419 resource_t *pe_find_resource(GListPtr rsc_list, const char *id_rh);
420 node_t *pe_find_node(GListPtr node_list, const char *uname);
421 node_t *pe_find_node_id(GListPtr node_list, const char *id);
422 node_t *pe_find_node_any(GListPtr node_list, const char *id, const char *uname);
423 GListPtr find_operations(const char *rsc, const char *node, gboolean active_filter,
424  pe_working_set_t * data_set);
425 #endif
GHashTable * tags
Definition: status.h:123
GListPtr nodes
Definition: status.h:100
const char * uname
Definition: status.h:129
int count
Definition: status.h:164
xmlNode * xml
Definition: status.h:242
xmlNode * failed
Definition: status.h:108
GHashTable * utilization
Definition: status.h:282
int runnable_before
Definition: status.h:342
int priority
Definition: status.h:302
int default_resource_stickiness
Definition: status.h:93
const char * id
Definition: status.h:128
int weight
Definition: status.h:162
int sort_index
Definition: status.h:257
pe_graph_flags
Definition: status.h:207
struct crm_time_s crm_time_t
Definition: iso8601.h:37
time_t last_granted
Definition: status.h:354
xmlNode * op_defaults
Definition: status.h:109
gboolean exclusive_discover
Definition: status.h:296
GListPtr rsc_location
Definition: status.h:268
char * cancel_task
Definition: status.h:310
GListPtr running_rsc
Definition: status.h:142
gboolean pending
Definition: status.h:134
node_t * partial_migration_source
Definition: status.h:288
gboolean fixed
Definition: status.h:163
GListPtr resources
Definition: status.h:101
node_t * pe_find_node(GListPtr node_list, const char *uname)
Definition: status.c:298
no_quorum_policy_t no_quorum_policy
Definition: status.h:94
char * clone_name
Definition: status.h:241
xmlNode * orig_xml
Definition: status.h:243
xmlNode * op_entry
Definition: status.h:306
int max_valid_nodes
Definition: status.h:114
int id
Definition: status.h:301
resource_t * remote_rsc
Definition: status.h:145
action_t * pre_notify
Definition: status.h:317
GHashTable * tickets
Definition: status.h:97
node_t * dc_node
Definition: status.h:86
GListPtr children
Definition: status.h:284
GListPtr actions_before
Definition: status.h:347
action_fail_response
Definition: common.h:29
char * dc_uuid
Definition: status.h:85
gboolean is_remote_node
Definition: status.h:262
int stonith_timeout
Definition: status.h:92
gboolean standby
Definition: status.h:132
pe_action_flags
Definition: status.h:215
GHashTable * extra
Definition: status.h:325
char * id
Definition: status.h:240
GHashTable * parameters
Definition: status.h:281
const char * isolation_wrapper
Definition: status.h:295
GListPtr placement_constraints
Definition: status.h:102
GHashTable * utilization
Definition: status.h:150
char uname[MAX_NAME]
Definition: internal.h:53
struct tag_s tag_t
GListPtr find_operations(const char *rsc, const char *node, gboolean active_filter, pe_working_set_t *data_set)
Definition: unpack.c:3334
rsc_recovery_type
Definition: common.h:69
struct node_shared_s * details
Definition: status.h:165
void cleanup_calculations(pe_working_set_t *data_set)
Definition: status.c:181
GListPtr rsc_cons_lhs
Definition: status.h:266
gboolean unclean
Definition: status.h:135
pe_restart
Definition: status.h:45
int effective_priority
Definition: status.h:259
char * pending_task
Definition: status.h:293
xmlNode * rsc_defaults
Definition: status.h:110
pe_obj_types
Definition: complex.h:30
node_t * partial_migration_target
Definition: status.h:287
action_t * post_notified
Definition: status.h:320
resource_object_functions_t * fns
Definition: status.h:249
char * task
Definition: status.h:308
enum no_quorum_policy_e no_quorum_policy_t
resource_t * container
Definition: status.h:290
GHashTable * allowed_nodes
Definition: status.h:275
void * variant_opaque
Definition: status.h:247
GHashTable * digest_cache
Definition: status.h:153
GListPtr rsc_cons
Definition: status.h:267
GHashTable * meta
Definition: status.h:324
void set_working_set_defaults(pe_working_set_t *data_set)
Definition: status.c:234
GListPtr refs
Definition: status.h:361
const char * stonith_action
Definition: status.h:87
action_t * pre_notified
Definition: status.h:318
node_type
Definition: status.h:39
pe_find
Definition: status.h:50
int migration_threshold
Definition: status.h:260
GListPtr actions
Definition: status.h:107
GHashTable * config_hash
Definition: status.h:96
action_t * post_notify
Definition: status.h:319
ISO_8601 Date handling.
gboolean is_dc
Definition: status.h:139
unsigned long long flags
Definition: status.h:264
pe_link_state
Definition: status.h:364
rsc_start_requirement
Definition: common.h:75
resource_t * parent
Definition: status.h:246
no_quorum_policy_e
Definition: status.h:32
char * uuid
Definition: status.h:309
GListPtr dangling_migrations
Definition: status.h:285
xmlNode * input
Definition: status.h:81
GListPtr fillers
Definition: status.h:291
GListPtr rsc_tickets
Definition: status.h:270
const char * placement_strategy
Definition: status.h:88
gboolean unseen
Definition: status.h:136
int failure_timeout
Definition: status.h:258
int remote_reconnect_interval
Definition: status.h:297
GListPtr ordering_constraints
Definition: status.h:103
node_t * node
Definition: status.h:305
GListPtr colocation_constraints
Definition: status.h:104
action_t * action
Definition: status.h:412
int stickiness
Definition: status.h:256
GListPtr actions
Definition: status.h:269
gboolean maintenance
Definition: status.h:155
pe_ordering
Definition: status.h:371
const char * localhost
Definition: status.h:122
GHashTable * meta
Definition: status.h:280
node_t * pe_find_node_any(GListPtr node_list, const char *id, const char *uname)
Definition: status.c:270
gboolean standby_onfail
Definition: status.h:133
int seen_count
Definition: status.h:322
GListPtr ticket_constraints
Definition: status.h:105
gboolean cluster_status(pe_working_set_t *data_set)
Definition: status.c:51
GHashTable * attrs
Definition: status.h:147
gboolean online
Definition: status.h:131
gboolean shutdown
Definition: status.h:137
gboolean rsc_discovery_enabled
Definition: status.h:156
GListPtr actions_after
Definition: status.h:348
gboolean remote_requires_reset
Definition: status.h:157
char * id
Definition: status.h:360
node_t * allocated_to
Definition: status.h:272
rsc_role_e
Definition: common.h:81
node_t * pe_find_node_id(GListPtr node_list, const char *id)
Definition: status.c:282
GHashTable * known_on
Definition: status.h:274
gboolean standby
Definition: status.h:355
Definition: status.h:359
struct resource_alloc_functions_s resource_alloc_functions_t
Definition: complex.h:59
gboolean expected_up
Definition: status.h:138
int rsc_discover_mode
Definition: status.h:166
gboolean granted
Definition: status.h:353
Definition: status.h:161
gboolean remote_was_fenced
Definition: status.h:158
int num_resources
Definition: status.h:141
resource_t * rsc
Definition: status.h:304
GHashTable * singletons
Definition: status.h:98
unsigned long long flags
Definition: status.h:90
resource_alloc_functions_t * cmds
Definition: status.h:250
xmlNode * ops_xml
Definition: status.h:244
resource_t * pe_find_resource(GListPtr rsc_list, const char *id_rh)
Definition: status.c:252
char * id
Definition: status.h:352
GList * GListPtr
Definition: crm.h:190
crm_time_t * now
Definition: status.h:82
struct pe_working_set_s pe_working_set_t
GHashTable * template_rsc_sets
Definition: status.h:121
const char * rsc_printable_id(resource_t *rsc)
Definition: utils.c:2015
GHashTable * state
Definition: status.h:356
int required_runnable_before
Definition: status.h:345
GListPtr allocated_rsc
Definition: status.h:143
enum crm_ais_msg_types type
Definition: internal.h:51
int priority
Definition: status.h:255
xmlNode * graph
Definition: status.h:119
GListPtr running_on
Definition: status.h:273