root/src/noit_check_rest.c

Revision 47a77d02f1268e637a4807266064909be566e1f7, 20.1 kB (checked in by Theo Schlossnagle <jesus@omniti.com>, 5 years ago)

flag-day(stratcond,webconsole,database) get realtime graphs working on uuids

  • Property mode set to 100644
Line 
1 /*
2  * Copyright (c) 2009, OmniTI Computer Consulting, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  *     * Redistributions of source code must retain the above copyright
10  *       notice, this list of conditions and the following disclaimer.
11  *     * Redistributions in binary form must reproduce the above
12  *       copyright notice, this list of conditions and the following
13  *       disclaimer in the documentation and/or other materials provided
14  *       with the distribution.
15  *     * Neither the name OmniTI Computer Consulting, Inc. nor the names
16  *       of its contributors may be used to endorse or promote products
17  *       derived from this software without specific prior written
18  *       permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 #include "noit_defines.h"
34 #include <assert.h>
35 #include <errno.h>
36 #include <libxml/parser.h>
37 #include <libxml/tree.h>
38 #include <libxml/xpath.h>
39 #include "noit_listener.h"
40 #include "noit_http.h"
41 #include "noit_rest.h"
42 #include "noit_check.h"
43 #include "noit_check_tools.h"
44 #include "noit_conf.h"
45 #include "noit_conf_private.h"
46
47 #define FAIL(a) do { error = (a); goto error; } while(0)
48
49 #define NODE_CONTENT(parent, k, v) do { \
50   xmlNodePtr tmp; \
51   if(v) { \
52     tmp = xmlNewNode(NULL, (xmlChar *)(k)); \
53     xmlNodeAddContent(tmp, (xmlChar *)(v)); \
54     xmlAddChild(parent, tmp); \
55   } \
56 } while(0)
57
58 xmlNodePtr
59 noit_check_state_as_xml(noit_check_t *check) {
60   xmlNodePtr state, tmp, metrics;
61   noit_hash_iter iter = NOIT_HASH_ITER_ZERO;
62   const char *k;
63   int klen;
64   void *data;
65   stats_t *c = &check->stats.current;
66
67   state = xmlNewNode(NULL, (xmlChar *)"state");
68   NODE_CONTENT(state, "running", NOIT_CHECK_RUNNING(check)?"true":"false");
69   NODE_CONTENT(state, "killed", NOIT_CHECK_KILLED(check)?"true":"false");
70   NODE_CONTENT(state, "configured",
71                NOIT_CHECK_CONFIGURED(check)?"true":"false");
72   NODE_CONTENT(state, "disabled", NOIT_CHECK_DISABLED(check)?"true":"false");
73   xmlAddChild(state, (tmp = xmlNewNode(NULL, (xmlChar *)"last_run")));
74   if(check->stats.current.whence.tv_sec) {
75     struct timeval f = check->stats.current.whence;
76     struct timeval n;
77     char timestr[20];
78     gettimeofday(&n, NULL);
79     snprintf(timestr, sizeof(timestr), "%0.3f",
80              n.tv_sec + (n.tv_usec / 1000000.0));
81     xmlSetProp(tmp, (xmlChar *)"now", (xmlChar *)timestr);
82     snprintf(timestr, sizeof(timestr), "%0.3f",
83              f.tv_sec + (f.tv_usec / 1000000.0));
84     xmlNodeAddContent(tmp, (xmlChar *)timestr);
85   }
86   if(c->available) { /* truth here means the check has been run */
87     char buff[20];
88     snprintf(buff, sizeof(buff), "%0.3f", (float)c->duration/1000.0);
89     NODE_CONTENT(state, "runtime", buff);
90   }
91   NODE_CONTENT(state, "availability",
92                noit_check_available_string(c->available));
93   NODE_CONTENT(state, "state", noit_check_state_string(c->state));
94   NODE_CONTENT(state, "status", c->status ? c->status : "");
95   memset(&iter, 0, sizeof(iter));
96   xmlAddChild(state, (metrics = xmlNewNode(NULL, (xmlChar *)"metrics")));
97   while(noit_hash_next(&c->metrics, &iter, &k, &klen, &data)) {
98     char buff[256];
99     metric_t *m = (metric_t *)data;
100     xmlAddChild(metrics, (tmp = xmlNewNode(NULL, (xmlChar *)m->metric_name)));
101     buff[0] = m->metric_type; buff[1] = '\0';
102     xmlSetProp(tmp, (xmlChar *)"type", (xmlChar *)buff);
103     if(m->metric_value.s) {
104       int rv;
105       rv = noit_stats_snprint_metric_value(buff, sizeof(buff), m);
106       if(rv < 0)
107         xmlSetProp(tmp, (xmlChar *)"error", (xmlChar *)"unknown type");
108       else
109         xmlNodeAddContent(tmp, (xmlChar *)buff);
110     }
111   }
112   return state;
113 }
114
115 static int
116 rest_show_check(noit_http_rest_closure_t *restc,
117                 int npats, char **pats) {
118   noit_http_session_ctx *ctx = restc->http_ctx;
119   xmlXPathObjectPtr pobj = NULL;
120   xmlXPathContextPtr xpath_ctxt = NULL;
121   xmlDocPtr doc = NULL;
122   xmlNodePtr node, root, attr, config, state, tmp, anode;
123   uuid_t checkid;
124   noit_check_t *check;
125   char xpath[1024], *uuid_conf, *module, *value;
126   int rv, cnt, error_code = 500;
127   noit_hash_iter iter = NOIT_HASH_ITER_ZERO;
128   const char *k;
129   int klen;
130   void *data;
131   noit_hash_table *configh;
132
133   if(npats != 2) goto error;
134
135   rv = noit_check_xpath(xpath, sizeof(xpath), pats[0], pats[1]);
136   if(rv == 0) goto not_found;
137   if(rv < 0) goto error;
138
139   noit_conf_xml_xpath(NULL, &xpath_ctxt);
140   pobj = xmlXPathEval((xmlChar *)xpath, xpath_ctxt);
141   if(!pobj || pobj->type != XPATH_NODESET ||
142      xmlXPathNodeSetIsEmpty(pobj->nodesetval)) goto not_found;
143   cnt = xmlXPathNodeSetGetLength(pobj->nodesetval);
144   if(cnt != 1) goto error;
145
146   node = (noit_conf_section_t)xmlXPathNodeSetItem(pobj->nodesetval, 0);
147   uuid_conf = (char *)xmlGetProp(node, (xmlChar *)"uuid");
148   if(!uuid_conf || uuid_parse(uuid_conf, checkid)) goto error;
149
150   doc = xmlNewDoc((xmlChar *)"1.0");
151   root = xmlNewDocNode(doc, NULL, (xmlChar *)"check", NULL);
152   xmlDocSetRootElement(doc, root);
153
154 #define MYATTR(node,a,n,b) _noit_conf_get_string(node, &(n), "@" #a, &(b))
155 #define INHERIT(node,a,n,b) \
156   _noit_conf_get_string(node, &(n), "ancestor-or-self::node()/@" #a, &(b))
157 #define SHOW_ATTR(parent, node, a) do { \
158   xmlNodePtr anode = NULL; \
159   char *value = NULL; \
160   INHERIT(node, a, anode, value); \
161   if(value != NULL) { \
162     int clen, plen;\
163     const char *cpath, *apath; \
164     xmlNodePtr child; \
165     cpath = node ? (char *)xmlGetNodePath(node) : ""; \
166     apath = anode ? (char *)xmlGetNodePath(anode) : ""; \
167     clen = strlen(cpath); \
168     plen = strlen("/noit/checks"); \
169     child = xmlNewNode(NULL, (xmlChar *)#a); \
170     xmlNodeAddContent(child, (xmlChar *)value); \
171     if(!strncmp(cpath, apath, clen) && apath[clen] == '/') { \
172     } \
173     else { \
174       xmlSetProp(child, (xmlChar *)"inherited", (xmlChar *)apath+plen); \
175     } \
176     xmlAddChild(parent, child); \
177   } \
178 } while(0)
179
180   attr = xmlNewNode(NULL, (xmlChar *)"attributes");
181   xmlAddChild(root, attr);
182
183   SHOW_ATTR(attr,node,uuid);
184
185   /* Name is odd, it falls back transparently to module */
186   if(!INHERIT(node, module, tmp, module)) module = NULL;
187   xmlAddChild(attr, (tmp = xmlNewNode(NULL, (xmlChar *)"name")));
188   if(MYATTR(node, name, anode, value))
189     xmlNodeAddContent(tmp, (xmlChar *)value);
190   else if(module)
191     xmlNodeAddContent(tmp, (xmlChar *)module);
192
193   SHOW_ATTR(attr,node,module);
194   SHOW_ATTR(attr,node,target);
195   SHOW_ATTR(attr,node,period);
196   SHOW_ATTR(attr,node,timeout);
197   SHOW_ATTR(attr,node,oncheck);
198   SHOW_ATTR(attr,node,filterset);
199   SHOW_ATTR(attr,node,disable);
200
201   /* Add the config */
202   config = xmlNewNode(NULL, (xmlChar *)"config");
203   configh = noit_conf_get_hash(node, "config");
204   while(noit_hash_next(configh, &iter, &k, &klen, &data))
205     NODE_CONTENT(config, k, data);
206   noit_hash_destroy(configh, free, free);
207   free(configh);
208   xmlAddChild(root, config);
209
210   /* Add the state */
211   check = noit_poller_lookup(checkid);
212   if(!check) {
213     state = xmlNewNode(NULL, (xmlChar *)"state");
214     xmlSetProp(state, (xmlChar *)"error", (xmlChar *)"true");
215   }
216   else
217     state = noit_check_state_as_xml(check);
218   xmlAddChild(root, state);
219   noit_http_response_ok(ctx, "text/xml");
220   noit_http_response_xml(ctx, doc);
221   noit_http_response_end(ctx);
222   goto cleanup;
223
224  not_found:
225   noit_http_response_not_found(ctx, "text/html");
226   noit_http_response_end(ctx);
227   goto cleanup;
228
229  error:
230   noit_http_response_standard(ctx, error_code, "ERROR", "text/html");
231   noit_http_response_end(ctx);
232   goto cleanup;
233
234  cleanup:
235   if(pobj) xmlXPathFreeObject(pobj);
236   if(doc) xmlFreeDoc(doc);
237   return 0;
238 }
239
240 int
241 noit_validate_check_rest_post(xmlDocPtr doc, xmlNodePtr *a, xmlNodePtr *c,
242                               const char **error) {
243   xmlNodePtr root, tl, an;
244   int name=0, module=0, target=0, period=0, timeout=0, filterset=0;
245   *a = *c = NULL;
246   root = xmlDocGetRootElement(doc);
247   if(!root || strcmp((char *)root->name, "check")) return 0;
248   for(tl = root->children; tl; tl = tl->next) {
249     if(!strcmp((char *)tl->name, "attributes")) {
250       *a = tl;
251       for(an = tl->children; an; an = an->next) {
252 #define CHECK_N_SET(a) if(!strcmp((char *)an->name, #a))
253         CHECK_N_SET(name) {
254           xmlChar *tmp;
255           pcre *valid_name = noit_conf_get_valid_name_checker();
256           int ovector[30], valid;
257           tmp = xmlNodeGetContent(an);
258           valid = (pcre_exec(valid_name, NULL,
259                              (char *)tmp, strlen((char *)tmp), 0, 0,
260                              ovector, sizeof(ovector)/sizeof(*ovector)) > 0);
261           xmlFree(tmp);
262           if(!valid) { *error = "invalid name"; return 0; }
263           name = 1;
264         }
265         else CHECK_N_SET(module) module = 1; /* This is validated by called */
266         else CHECK_N_SET(target) {
267           int valid;
268           xmlChar *tmp;
269           tmp = xmlNodeGetContent(an);
270           valid = noit_check_is_valid_target((char *)tmp);
271           xmlFree(tmp);
272           if(!valid) { *error = "invalid target"; return 0; }
273           target = 1;
274         }
275         else CHECK_N_SET(period) {
276           int pint;
277           xmlChar *tmp;
278           tmp = xmlNodeGetContent(an);
279           pint = noit_conf_string_to_int((char *)tmp);
280           xmlFree(tmp);
281           if(pint < 5000 || pint > 300000) {
282             *error = "invalid period";
283             return 0;
284           }
285           period = 1;
286         }
287         else CHECK_N_SET(timeout) {
288           int pint;
289           xmlChar *tmp;
290           tmp = xmlNodeGetContent(an);
291           pint = noit_conf_string_to_int((char *)tmp);
292           xmlFree(tmp);
293           if(pint < 0 || pint > 300000) {
294             *error = "invalid timeout";
295             return 0;
296           }
297           timeout = 1;
298         }
299         else CHECK_N_SET(filterset) filterset = 1;
300         else CHECK_N_SET(disable) { /* not required */
301           int valid;
302           xmlChar *tmp;
303           tmp = xmlNodeGetContent(an);
304           valid = (!strcasecmp((char *)tmp, "true") ||
305                    !strcasecmp((char *)tmp, "on") ||
306                    !strcasecmp((char *)tmp, "false") ||
307                    !strcasecmp((char *)tmp, "off"));
308           xmlFree(tmp);
309           if(!valid) { *error = "bad disable parameter"; return 0; }
310           target = 1;
311         }
312         else return 0;
313       }
314     }
315     else if(!strcmp((char *)tl->name, "config")) {
316       *c = tl;
317       /* Noop, anything goes */
318     }
319     else return 0;
320   }
321   if(name && module && target && period && timeout && filterset) return 1;
322   *error = "insufficient information";
323   return 0;
324 }
325 static void
326 configure_xml_check(xmlNodePtr check, xmlNodePtr a, xmlNodePtr c) {
327   xmlNodePtr n, config, oldconfig;
328   for(n = a->children; n; n = n->next) {
329 #define ATTR2PROP(attr) do { \
330   if(!strcmp((char *)n->name, #attr)) { \
331     xmlChar *v = xmlNodeGetContent(n); \
332     if(v) xmlSetProp(check, n->name, v); \
333     else xmlUnsetProp(check, n->name); \
334     if(v) xmlFree(v); \
335   } \
336 } while(0)
337     ATTR2PROP(name);
338     ATTR2PROP(target);
339     ATTR2PROP(module);
340     ATTR2PROP(period);
341     ATTR2PROP(timeout);
342     ATTR2PROP(disable);
343     ATTR2PROP(filterset);
344   }
345   for(oldconfig = check->children; oldconfig; oldconfig = oldconfig->next)
346     if(!strcmp((char *)oldconfig->name, "config")) break;
347   config = xmlNewNode(NULL, (xmlChar *)"config");
348   if(c) {
349     xmlAttrPtr inherit;
350     if((inherit = xmlHasProp(c, (xmlChar *)"inherit")) != NULL &&
351         inherit->children && inherit->children->content)
352       xmlSetProp(config, (xmlChar *)"inherit", inherit->children->content);
353     for(n = c->children; n; n = n->next) {
354       xmlChar *v = xmlNodeGetContent(n);
355       xmlNodePtr co = xmlNewNode(NULL, n->name);
356       xmlNodeAddContent(co, v);
357       xmlFree(v);
358       xmlAddChild(config, co);
359     }
360   }
361   if(oldconfig) {
362     xmlReplaceNode(oldconfig, config);
363     xmlFreeNode(oldconfig);
364   }
365   else xmlAddChild(check, config);
366 }
367 static xmlNodePtr
368 make_conf_path(char *path) {
369   xmlNodePtr start, tmp;
370   char fullpath[1024], *tok, *brk;
371   if(!path || strlen(path) < 1) return NULL;
372   snprintf(fullpath, sizeof(fullpath), "%s", path+1);
373   fullpath[strlen(fullpath)-1] = '\0';
374   start = noit_conf_get_section(NULL, "/noit/checks");
375   if(!start) return NULL;
376   for (tok = strtok_r(fullpath, "/", &brk);
377        tok;
378        tok = strtok_r(NULL, "/", &brk)) {
379     if(!xmlValidateNameValue((xmlChar *)tok)) return NULL;
380     if(!strcmp(tok, "check")) return NULL;  /* These two paths */
381     if(!strcmp(tok, "config")) return NULL; /* are off limits. */
382     for (tmp = start->children; tmp; tmp = tmp->next) {
383       if(!strcmp((char *)tmp->name, tok)) break;
384     }
385     if(!tmp) {
386       tmp = xmlNewNode(NULL, (xmlChar *)tok);
387       xmlAddChild(start, tmp);
388     }
389     start = tmp;
390   }
391   return start;
392 }
393 static int
394 rest_delete_check(noit_http_rest_closure_t *restc,
395                   int npats, char **pats) {
396   noit_http_session_ctx *ctx = restc->http_ctx;
397   xmlXPathObjectPtr pobj = NULL;
398   xmlXPathContextPtr xpath_ctxt = NULL;
399   xmlNodePtr node;
400   uuid_t checkid;
401   noit_check_t *check;
402   const char *error;
403   char xpath[1024], *uuid_conf;
404   int rv, cnt, error_code = 500;
405   noit_boolean exists = noit_false;
406
407   if(npats != 2) goto error;
408
409   if(uuid_parse(pats[1], checkid)) goto error;
410   check = noit_poller_lookup(checkid);
411   if(check)
412     exists = noit_true;
413
414   rv = noit_check_xpath(xpath, sizeof(xpath), pats[0], pats[1]);
415   if(rv == 0) FAIL("uuid not valid");
416   if(rv < 0) FAIL("Tricky McTrickster... No");
417
418   noit_conf_xml_xpath(NULL, &xpath_ctxt);
419   pobj = xmlXPathEval((xmlChar *)xpath, xpath_ctxt);
420   if(!pobj || pobj->type != XPATH_NODESET ||
421      xmlXPathNodeSetIsEmpty(pobj->nodesetval)) {
422     if(exists) { error_code = 403; FAIL("uuid not yours"); }
423     goto not_found;
424   }
425   cnt = xmlXPathNodeSetGetLength(pobj->nodesetval);
426   if(cnt != 1) FAIL("internal error, |checkid| > 1");
427   node = (noit_conf_section_t)xmlXPathNodeSetItem(pobj->nodesetval, 0);
428   uuid_conf = (char *)xmlGetProp(node, (xmlChar *)"uuid");
429   if(!uuid_conf || strcasecmp(uuid_conf, pats[1]))
430     FAIL("internal error uuid");
431
432   /* delete this here */
433   noit_poller_deschedule(check->checkid);
434   xmlUnlinkNode(node);
435   xmlFreeNode(node);
436   if(noit_conf_write_file(NULL) != 0)
437     noitL(noit_error, "local config write failed\n");
438   noit_conf_mark_changed();
439   noit_http_response_ok(ctx, "text/html");
440   noit_http_response_end(ctx);
441   goto cleanup;
442
443  not_found:
444   noit_http_response_not_found(ctx, "text/html");
445   noit_http_response_end(ctx);
446   goto cleanup;
447
448  error:
449   noit_http_response_standard(ctx, error_code, "ERROR", "text/html");
450   noit_http_response_end(ctx);
451   goto cleanup;
452
453  cleanup:
454   if(pobj) xmlXPathFreeObject(pobj);
455   return 0;
456 }
457
458 static int
459 rest_set_check(noit_http_rest_closure_t *restc,
460                int npats, char **pats) {
461   noit_http_session_ctx *ctx = restc->http_ctx;
462   xmlXPathObjectPtr pobj = NULL;
463   xmlXPathContextPtr xpath_ctxt = NULL;
464   xmlDocPtr doc = NULL, indoc = NULL;
465   xmlNodePtr node, root, attr, config, parent;
466   uuid_t checkid;
467   noit_check_t *check;
468   char xpath[1024], *uuid_conf;
469   int rv, cnt, error_code = 500, complete = 0, mask = 0;
470   const char *error = "internal error";
471   noit_boolean exists = noit_false;
472
473   if(npats != 2) goto error;
474
475   indoc = rest_get_xml_upload(restc, &mask, &complete);
476   if(!complete) return mask;
477   if(indoc == NULL) FAIL("xml parse error");
478   if(!noit_validate_check_rest_post(indoc, &attr, &config, &error)) goto error;
479
480   if(uuid_parse(pats[1], checkid)) goto error;
481   check = noit_poller_lookup(checkid);
482   if(check)
483     exists = noit_true;
484
485   rv = noit_check_xpath(xpath, sizeof(xpath), pats[0], pats[1]);
486   if(rv == 0) FAIL("uuid not valid");
487   if(rv < 0) FAIL("Tricky McTrickster... No");
488
489   noit_conf_xml_xpath(NULL, &xpath_ctxt);
490   pobj = xmlXPathEval((xmlChar *)xpath, xpath_ctxt);
491   if(!pobj || pobj->type != XPATH_NODESET ||
492      xmlXPathNodeSetIsEmpty(pobj->nodesetval)) {
493     if(exists) { error_code = 403; FAIL("uuid not yours"); }
494     else {
495       char *target = NULL, *name = NULL, *module = NULL;
496       noit_module_t *m;
497       xmlNodePtr newcheck, a;
498       /* make sure this isn't a dup */
499       for(a = attr->children; a; a = a->next) {
500         if(!strcmp((char *)a->name, "target"))
501           target = (char *)xmlNodeGetContent(a);
502         if(!strcmp((char *)a->name, "name"))
503           name = (char *)xmlNodeGetContent(a);
504         if(!strcmp((char *)a->name, "module"))
505           module = (char *)xmlNodeGetContent(a);
506       }
507       exists = (noit_poller_lookup_by_name(target, name) != NULL);
508       m = noit_module_lookup(module);
509       xmlFree(target);
510       xmlFree(name);
511       xmlFree(module);
512       if(exists) FAIL("target`name already registered");
513       if(!m) FAIL("module does not exist");
514       /* create a check here */
515       newcheck = xmlNewNode(NULL, (xmlChar *)"check");
516       xmlSetProp(newcheck, (xmlChar *)"uuid", (xmlChar *)pats[1]);
517       configure_xml_check(newcheck, attr, config);
518       parent = make_conf_path(pats[0]);
519       if(!parent) FAIL("invalid path");
520       xmlAddChild(parent, newcheck);
521     }
522   }
523   if(exists) {
524     int module_change;
525     char *target = NULL, *name = NULL, *module = NULL;
526     xmlNodePtr a;
527     noit_check_t *ocheck;
528
529     cnt = xmlXPathNodeSetGetLength(pobj->nodesetval);
530     if(cnt != 1) FAIL("internal error, |checkid| > 1");
531     node = (noit_conf_section_t)xmlXPathNodeSetItem(pobj->nodesetval, 0);
532     uuid_conf = (char *)xmlGetProp(node, (xmlChar *)"uuid");
533     if(!uuid_conf || strcasecmp(uuid_conf, pats[1]))
534       FAIL("internal error uuid");
535
536     /* make sure this isn't a dup */
537     for(a = attr->children; a; a = a->next) {
538       if(!strcmp((char *)a->name, "target"))
539         target = (char *)xmlNodeGetContent(a);
540       if(!strcmp((char *)a->name, "name"))
541         name = (char *)xmlNodeGetContent(a);
542       if(!strcmp((char *)a->name, "module"))
543         module = (char *)xmlNodeGetContent(a);
544     }
545     ocheck = noit_poller_lookup_by_name(target, name);
546     module_change = strcmp(check->module, module);
547     xmlFree(target);
548     xmlFree(name);
549     xmlFree(module);
550     if(ocheck && ocheck != check) FAIL("new target`name would collide");
551     if(module_change) FAIL("cannot change module");
552     configure_xml_check(node, attr, config);
553     parent = make_conf_path(pats[0]);
554     if(!parent) FAIL("invalid path");
555     xmlUnlinkNode(node);
556     xmlAddChild(parent, node);
557   }
558
559   if(noit_conf_write_file(NULL) != 0)
560     noitL(noit_error, "local config write failed\n");
561   noit_conf_mark_changed();
562   noit_poller_reload(xpath);
563   if(restc->call_closure_free) restc->call_closure_free(restc->call_closure);
564   restc->call_closure_free = NULL;
565   restc->call_closure = NULL;
566   if(pobj) xmlXPathFreeObject(pobj);
567   if(doc) xmlFreeDoc(doc);
568   restc->fastpath = rest_show_check;
569   return restc->fastpath(restc, restc->nparams, restc->params);
570
571  error:
572   noit_http_response_standard(ctx, error_code, "ERROR", "text/html");
573   doc = xmlNewDoc((xmlChar *)"1.0");
574   root = xmlNewDocNode(doc, NULL, (xmlChar *)"error", NULL);
575   xmlDocSetRootElement(doc, root);
576   xmlNodeAddContent(root, (xmlChar *)error);
577   noit_http_response_xml(ctx, doc);
578   noit_http_response_end(ctx);
579   goto cleanup;
580
581  cleanup:
582   if(pobj) xmlXPathFreeObject(pobj);
583   if(doc) xmlFreeDoc(doc);
584   return 0;
585 }
586
587 void
588 noit_check_rest_init() {
589   assert(noit_http_rest_register_auth(
590     "GET", "/checks/", "^show(/.*)(?<=/)(" UUID_REGEX ")$",
591     rest_show_check, noit_http_rest_client_cert_auth
592   ) == 0);
593   assert(noit_http_rest_register_auth(
594     "PUT", "/checks/", "^set(/.*)(?<=/)(" UUID_REGEX ")$",
595     rest_set_check, noit_http_rest_client_cert_auth
596   ) == 0);
597   assert(noit_http_rest_register_auth(
598     "DELETE", "/checks/", "^delete(/.*)(?<=/)(" UUID_REGEX ")$",
599     rest_delete_check, noit_http_rest_client_cert_auth
600   ) == 0);
601 }
602
Note: See TracBrowser for help on using the browser.