xmlNodePtr
noit_check_state_as_xml(noit_check_t *check) {
xmlNodePtr state, tmp, metrics;
noit_hash_iter iter = NOIT_HASH_ITER_ZERO;
const char *k;
int klen;
void *data;
stats_t *c = &check->stats.current;
state = xmlNewNode(NULL, (xmlChar *)"state");
NODE_CONTENT(state, "running", NOIT_CHECK_RUNNING(check)?"true":"false");
NODE_CONTENT(state, "killed", NOIT_CHECK_KILLED(check)?"true":"false");
NODE_CONTENT(state, "configured",
NOIT_CHECK_CONFIGURED(check)?"true":"false");
NODE_CONTENT(state, "disabled", NOIT_CHECK_DISABLED(check)?"true":"false");
NODE_CONTENT(state, "target_ip", check->target_ip);
xmlAddChild(state, (tmp = xmlNewNode(NULL, (xmlChar *)"last_run")));
if(check->stats.current.whence.tv_sec) {
struct timeval f = check->stats.current.whence;
struct timeval n;
char timestr[20];
gettimeofday(&n, NULL);
snprintf(timestr, sizeof(timestr), "%0.3f",
n.tv_sec + (n.tv_usec / 1000000.0));
xmlSetProp(tmp, (xmlChar *)"now", (xmlChar *)timestr);
snprintf(timestr, sizeof(timestr), "%0.3f",
f.tv_sec + (f.tv_usec / 1000000.0));
xmlNodeAddContent(tmp, (xmlChar *)timestr);
}
if(c->available) { /* truth here means the check has been run */
char buff[20], *compiler_warning;
snprintf(buff, sizeof(buff), "%0.3f", (float)c->duration/1000.0);
compiler_warning = buff;
NODE_CONTENT(state, "runtime", compiler_warning);
}
NODE_CONTENT(state, "availability",
noit_check_available_string(c->available));
NODE_CONTENT(state, "state", noit_check_state_string(c->state));
NODE_CONTENT(state, "status", c->status ? c->status : "");
memset(&iter, 0, sizeof(iter));
xmlAddChild(state, (metrics = xmlNewNode(NULL, (xmlChar *)"metrics")));
while(noit_hash_next(&c->metrics, &iter, &k, &klen, &data)) {
char buff[256];
metric_t *m = (metric_t *)data;
xmlAddChild(metrics, (tmp = xmlNewNode(NULL, (xmlChar *)"metric")));
xmlSetProp(tmp, (xmlChar *)"name", (xmlChar *)m->metric_name);
buff[0] = m->metric_type;
buff[1] = '\0';
xmlSetProp(tmp, (xmlChar *)"type", (xmlChar *)buff);
if(m->metric_value.s) {
int rv;
rv = noit_stats_snprint_metric_value(buff, sizeof(buff), m);
if(rv < 0)
xmlSetProp(tmp, (xmlChar *)"error", (xmlChar *)"unknown type");
else
xmlNodeAddContent(tmp, (xmlChar *)buff);
}
}
return state;
}
xmlNodePtr
noit_check_state_as_xml(noit_check_t *check, int full) {
xmlNodePtr state, tmp, metrics;
struct timeval now, *whence;
stats_t *c = noit_check_get_stats_current(check);
gettimeofday(&now, NULL);
state = xmlNewNode(NULL, (xmlChar *)"state");
NODE_CONTENT(state, "running", NOIT_CHECK_RUNNING(check)?"true":"false");
NODE_CONTENT(state, "killed", NOIT_CHECK_KILLED(check)?"true":"false");
NODE_CONTENT(state, "configured",
NOIT_CHECK_CONFIGURED(check)?"true":"false");
NODE_CONTENT(state, "disabled", NOIT_CHECK_DISABLED(check)?"true":"false");
NODE_CONTENT(state, "target_ip", check->target_ip);
xmlAddChild(state, (tmp = xmlNewNode(NULL, (xmlChar *)"last_run")));
whence = noit_check_stats_whence(c, NULL);
if(whence->tv_sec) {
char timestr[20];
snprintf(timestr, sizeof(timestr), "%0.3f",
now.tv_sec + (now.tv_usec / 1000000.0));
xmlSetProp(tmp, (xmlChar *)"now", (xmlChar *)timestr);
snprintf(timestr, sizeof(timestr), "%0.3f",
whence->tv_sec + (whence->tv_usec / 1000000.0));
xmlNodeAddContent(tmp, (xmlChar *)timestr);
}
if(full) {
stats_t *previous;
struct timeval *whence;
uint8_t available = noit_check_stats_available(c, NULL);
if(available) { /* truth here means the check has been run */
char buff[20], *compiler_warning;
snprintf(buff, sizeof(buff), "%0.3f",
(float)noit_check_stats_duration(c, NULL)/1000.0);
compiler_warning = buff;
NODE_CONTENT(state, "runtime", compiler_warning);
}
NODE_CONTENT(state, "availability",
noit_check_available_string(available));
NODE_CONTENT(state, "state", noit_check_state_string(noit_check_stats_state(c, NULL)));
NODE_CONTENT(state, "status", noit_check_stats_status(c, NULL));
xmlAddChild(state, (metrics = xmlNewNode(NULL, (xmlChar *)"metrics")));
add_metrics_to_node(noit_check_get_stats_inprogress(check), metrics, "inprogress", 0);
whence = noit_check_stats_whence(c, NULL);
if(whence->tv_sec) {
xmlAddChild(state, (metrics = xmlNewNode(NULL, (xmlChar *)"metrics")));
add_metrics_to_node(c, metrics, "current", 1);
}
previous = noit_check_get_stats_previous(check);
whence = noit_check_stats_whence(previous, NULL);
if(whence->tv_sec) {
xmlAddChild(state, (metrics = xmlNewNode(NULL, (xmlChar *)"metrics")));
add_metrics_to_node(previous, metrics, "previous", 1);
}
}
return state;
}
static int
rest_show_check(mtev_http_rest_closure_t *restc,
int npats, char **pats) {
mtev_http_session_ctx *ctx = restc->http_ctx;
xmlXPathObjectPtr pobj = NULL;
xmlXPathContextPtr xpath_ctxt = NULL;
xmlDocPtr doc = NULL;
xmlNodePtr node, root, attr, config, state, tmp, anode;
uuid_t checkid;
noit_check_t *check;
char xpath[1024], *uuid_conf, *module = NULL, *value = NULL;
int rv, mod, mod_cnt, cnt, error_code = 500;
mtev_hash_iter iter = MTEV_HASH_ITER_ZERO;
const char *k;
int klen;
void *data;
mtev_hash_table *configh;
if(npats != 2 && npats != 3) goto error;
rv = noit_check_xpath(xpath, sizeof(xpath), pats[0], pats[1]);
if(rv == 0) goto not_found;
if(rv < 0) goto error;
mtev_conf_xml_xpath(NULL, &xpath_ctxt);
pobj = xmlXPathEval((xmlChar *)xpath, xpath_ctxt);
if(!pobj || pobj->type != XPATH_NODESET ||
xmlXPathNodeSetIsEmpty(pobj->nodesetval)) goto not_found;
cnt = xmlXPathNodeSetGetLength(pobj->nodesetval);
if(cnt != 1) goto error;
node = (mtev_conf_section_t)xmlXPathNodeSetItem(pobj->nodesetval, 0);
uuid_conf = (char *)xmlGetProp(node, (xmlChar *)"uuid");
if(!uuid_conf || uuid_parse(uuid_conf, checkid)) goto error;
if(npats == 3 && !strcmp(pats[2], ".json")) {
return rest_show_check_json(restc, checkid);
}
doc = xmlNewDoc((xmlChar *)"1.0");
root = xmlNewDocNode(doc, NULL, (xmlChar *)"check", NULL);
xmlDocSetRootElement(doc, root);
#define MYATTR(node,a,n,b) _mtev_conf_get_string(node, &(n), "@" #a, &(b))
#define INHERIT(node,a,n,b) \
_mtev_conf_get_string(node, &(n), "ancestor-or-self::node()/@" #a, &(b))
#define SHOW_ATTR(parent, node, a) do { \
char *_value = NULL; \
INHERIT(node, a, anode, _value); \
if(_value != NULL) { \
int clen, plen;\
char *_cpath, *_apath; \
xmlNodePtr child; \
_cpath = node ? (char *)xmlGetNodePath(node) : strdup(""); \
_apath = anode ? (char *)xmlGetNodePath(anode) : strdup(""); \
clen = strlen(_cpath); \
plen = strlen("/noit/checks"); \
child = xmlNewNode(NULL, (xmlChar *)#a); \
xmlNodeAddContent(child, (xmlChar *)_value); \
if(!strncmp(_cpath, _apath, clen) && _apath[clen] == '/') { \
} \
else { \
xmlSetProp(child, (xmlChar *)"inherited", (xmlChar *)_apath+plen); \
} \
xmlAddChild(parent, child); \
free(_cpath); \
free(_apath); \
free(_value); \
} \
} while(0)
attr = xmlNewNode(NULL, (xmlChar *)"attributes");
xmlAddChild(root, attr);
SHOW_ATTR(attr,node,uuid);
SHOW_ATTR(attr,node,seq);
/* Name is odd, it falls back transparently to module */
if(!INHERIT(node, module, tmp, module)) module = NULL;
xmlAddChild(attr, (tmp = xmlNewNode(NULL, (xmlChar *)"name")));
if(MYATTR(node, name, anode, value))
xmlNodeAddContent(tmp, (xmlChar *)value);
else if(module)
xmlNodeAddContent(tmp, (xmlChar *)module);
if(value) free(value);
if(module) free(module);
SHOW_ATTR(attr,node,module);
SHOW_ATTR(attr,node,target);
SHOW_ATTR(attr,node,resolve_rtype);
SHOW_ATTR(attr,node,seq);
SHOW_ATTR(attr,node,period);
SHOW_ATTR(attr,node,timeout);
SHOW_ATTR(attr,node,oncheck);
SHOW_ATTR(attr,node,filterset);
SHOW_ATTR(attr,node,disable);
/* Add the config */
config = xmlNewNode(NULL, (xmlChar *)"config");
configh = mtev_conf_get_hash(node, "config");
while(mtev_hash_next(configh, &iter, &k, &klen, &data))
NODE_CONTENT(config, k, data);
mtev_hash_destroy(configh, free, free);
free(configh);
mod_cnt = noit_check_registered_module_cnt();
for(mod=0; mod<mod_cnt; mod++) {
xmlNsPtr ns;
const char *nsname;
char buff[256];
nsname = noit_check_registered_module(mod);
snprintf(buff, sizeof(buff), "noit://module/%s", nsname);
ns = xmlSearchNs(root->doc, root, (xmlChar *)nsname);
if(!ns) ns = xmlNewNs(root, (xmlChar *)buff, (xmlChar *)nsname);
if(ns) {
configh = mtev_conf_get_namespaced_hash(node, "config", nsname);
if(configh) {
memset(&iter, 0, sizeof(iter));
while(mtev_hash_next(configh, &iter, &k, &klen, &data)) {
NS_NODE_CONTENT(config, ns, "value", data,
xmlSetProp(tmp, (xmlChar *)"name", (xmlChar *)k);
);
}
mtev_hash_destroy(configh, free, free);
free(configh);
}
}
}
static int
rest_show_check(noit_http_rest_closure_t *restc,
int npats, char **pats) {
noit_http_session_ctx *ctx = restc->http_ctx;
xmlXPathObjectPtr pobj = NULL;
xmlXPathContextPtr xpath_ctxt = NULL;
xmlDocPtr doc = NULL;
xmlNodePtr node, root, attr, config, state, tmp, anode;
uuid_t checkid;
noit_check_t *check;
char xpath[1024], *uuid_conf, *module, *value;
int rv, cnt, error_code = 500;
noit_hash_iter iter = NOIT_HASH_ITER_ZERO;
const char *k;
int klen;
void *data;
noit_hash_table *configh;
if(npats != 2) goto error;
rv = noit_check_xpath(xpath, sizeof(xpath), pats[0], pats[1]);
if(rv == 0) goto not_found;
if(rv < 0) goto error;
noit_conf_xml_xpath(NULL, &xpath_ctxt);
pobj = xmlXPathEval((xmlChar *)xpath, xpath_ctxt);
if(!pobj || pobj->type != XPATH_NODESET ||
xmlXPathNodeSetIsEmpty(pobj->nodesetval)) goto not_found;
cnt = xmlXPathNodeSetGetLength(pobj->nodesetval);
if(cnt != 1) goto error;
node = (noit_conf_section_t)xmlXPathNodeSetItem(pobj->nodesetval, 0);
uuid_conf = (char *)xmlGetProp(node, (xmlChar *)"uuid");
if(!uuid_conf || uuid_parse(uuid_conf, checkid)) goto error;
doc = xmlNewDoc((xmlChar *)"1.0");
root = xmlNewDocNode(doc, NULL, (xmlChar *)"check", NULL);
xmlDocSetRootElement(doc, root);
#define MYATTR(node,a,n,b) _noit_conf_get_string(node, &(n), "@" #a, &(b))
#define INHERIT(node,a,n,b) \
_noit_conf_get_string(node, &(n), "ancestor-or-self::node()/@" #a, &(b))
#define SHOW_ATTR(parent, node, a) do { \
xmlNodePtr anode = NULL; \
char *value = NULL; \
INHERIT(node, a, anode, value); \
if(value != NULL) { \
int clen, plen;\
const char *cpath, *apath; \
xmlNodePtr child; \
cpath = node ? (char *)xmlGetNodePath(node) : ""; \
apath = anode ? (char *)xmlGetNodePath(anode) : ""; \
clen = strlen(cpath); \
plen = strlen("/noit/checks"); \
child = xmlNewNode(NULL, (xmlChar *)#a); \
xmlNodeAddContent(child, (xmlChar *)value); \
if(!strncmp(cpath, apath, clen) && apath[clen] == '/') { \
} \
else { \
xmlSetProp(child, (xmlChar *)"inherited", (xmlChar *)apath+plen); \
} \
xmlAddChild(parent, child); \
} \
} while(0)
attr = xmlNewNode(NULL, (xmlChar *)"attributes");
xmlAddChild(root, attr);
SHOW_ATTR(attr,node,uuid);
/* Name is odd, it falls back transparently to module */
if(!INHERIT(node, module, tmp, module)) module = NULL;
xmlAddChild(attr, (tmp = xmlNewNode(NULL, (xmlChar *)"name")));
if(MYATTR(node, name, anode, value))
xmlNodeAddContent(tmp, (xmlChar *)value);
else if(module)
xmlNodeAddContent(tmp, (xmlChar *)module);
SHOW_ATTR(attr,node,module);
SHOW_ATTR(attr,node,target);
SHOW_ATTR(attr,node,period);
SHOW_ATTR(attr,node,timeout);
SHOW_ATTR(attr,node,oncheck);
SHOW_ATTR(attr,node,filterset);
SHOW_ATTR(attr,node,disable);
/* Add the config */
config = xmlNewNode(NULL, (xmlChar *)"config");
configh = noit_conf_get_hash(node, "config");
while(noit_hash_next(configh, &iter, &k, &klen, &data))
NODE_CONTENT(config, k, data);
noit_hash_destroy(configh, free, free);
free(configh);
xmlAddChild(root, config);
/* Add the state */
check = noit_poller_lookup(checkid);
if(!check) {
state = xmlNewNode(NULL, (xmlChar *)"state");
xmlSetProp(state, (xmlChar *)"error", (xmlChar *)"true");
}
else
state = noit_check_state_as_xml(check);
xmlAddChild(root, state);
noit_http_response_ok(ctx, "text/xml");
noit_http_response_xml(ctx, doc);
noit_http_response_end(ctx);
goto cleanup;
not_found:
noit_http_response_not_found(ctx, "text/html");
noit_http_response_end(ctx);
goto cleanup;
error:
noit_http_response_standard(ctx, error_code, "ERROR", "text/html");
noit_http_response_end(ctx);
goto cleanup;
cleanup:
if(pobj) xmlXPathFreeObject(pobj);
if(doc) xmlFreeDoc(doc);
return 0;
}
