index f6b9b5f6641d300a505a404ec11e21d2a76e0f46..d672b36c9ee8468c13a8e2ed5487d9c1b3a96a84 100644 (file)
/*
- * syscollector - src/backend/mk-livestatus.c
+ * SysDB - src/backend/mk-livestatus.c
* Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
* All rights reserved.
*
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include "syscollector.h"
+#include "sysdb.h"
#include "core/plugin.h"
#include "core/store.h"
-#include "utils/string.h"
+#include "core/error.h"
#include "utils/unixsock.h"
#include "liboconfig/utils.h"
#include <stdlib.h>
#include <string.h>
-SC_PLUGIN_MAGIC;
+SDB_PLUGIN_MAGIC;
/*
* private helper functions
*/
static int
-sc_livestatus_parse_line(char *line,
- char **host, sc_time_t *timestamp)
+sdb_livestatus_get_host(sdb_unixsock_client_t __attribute__((unused)) *client,
+ size_t n, sdb_data_t *data,
+ sdb_object_t __attribute__((unused)) *user_data)
{
- char *timestamp_str;
- double timestamp_dbl;
+ const char *hostname;
+ sdb_time_t timestamp;
- char *hostname;
+ int status;
+
+ assert(n == 2);
+ assert((data[0].type == SDB_TYPE_STRING)
+ && (data[1].type == SDB_TYPE_DATETIME));
- char *endptr = NULL;
+ hostname = data[0].data.string;
+ timestamp = data[1].data.datetime;
- hostname = line;
- timestamp_str = strchr(hostname, ';');
+ status = sdb_store_host(hostname, timestamp);
- if (! timestamp_str) {
- fprintf(stderr, "MK Livestatus backend: Failed to find timestamp "
- "in 'GET hosts' output, line: %s\n", line);
+ if (status < 0) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
+ "store/update host '%s'.", hostname);
return -1;
}
+ else if (status > 0) /* value too old */
+ return 0;
- *timestamp_str = '\0';
- ++timestamp_str;
+ sdb_log(SDB_LOG_DEBUG, "MK Livestatus backend: Added/updated "
+ "host '%s' (last update timestamp = %"PRIscTIME").",
+ hostname, timestamp);
+ return 0;
+} /* sdb_livestatus_get_host */
- errno = 0;
- timestamp_dbl = strtod(timestamp_str, &endptr);
- if (errno || (timestamp_str == endptr)) {
- char errbuf[1024];
- fprintf(stderr, "MK Livestatus backend: Failed to "
- "parse timestamp (%s): %s\n", timestamp_str,
- sc_strerror(errno, errbuf, sizeof(errbuf)));
+static int
+sdb_livestatus_get_svc(sdb_unixsock_client_t __attribute__((unused)) *client,
+ size_t n, sdb_data_t *data,
+ sdb_object_t __attribute__((unused)) *user_data)
+{
+ const char *hostname = NULL;
+ const char *svcname = NULL;
+ sdb_time_t timestamp = 0;
+
+ int status;
+
+ assert(n == 3);
+ assert((data[0].type == SDB_TYPE_STRING)
+ && (data[1].type == SDB_TYPE_STRING)
+ && (data[2].type == SDB_TYPE_DATETIME));
+
+ hostname = data[0].data.string;
+ svcname = data[1].data.string;
+ timestamp = data[2].data.datetime;
+
+ status = sdb_store_service(hostname, svcname, timestamp);
+
+ if (status < 0) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
+ "store/update service '%s / %s'.", hostname, svcname);
return -1;
}
- if (endptr && (*endptr != '\0'))
- fprintf(stderr, "MK Livestatus backend: Ignoring garbage "
- "after number when parsing timestamp: %s.\n",
- endptr);
+ else if (status > 0) /* value too old */
+ return 0;
- *timestamp = DOUBLE_TO_SC_TIME(timestamp_dbl);
- *host = hostname;
+ sdb_log(SDB_LOG_DEBUG, "MK Livestatus backend: Added/updated "
+ "service '%s / %s' (last update timestamp = %"PRIscTIME").",
+ hostname, svcname, timestamp);
return 0;
-} /* sc_livestatus_parse_line */
+} /* sdb_livestatus_get_svc */
/*
* plugin API
*/
static int
-sc_livestatus_init(sc_object_t *user_data)
+sdb_livestatus_init(sdb_object_t *user_data)
{
- sc_unixsock_client_t *client;
+ sdb_unixsock_client_t *client;
if (! user_data)
return -1;
- client = SC_OBJ_WRAPPER(user_data)->data;
- if (sc_unixsock_client_connect(client)) {
- fprintf(stderr, "MK Livestatus backend: "
- "Failed to connect to livestatus @ %s.\n",
- sc_unixsock_client_path(client));
+ client = SDB_OBJ_WRAPPER(user_data)->data;
+ if (sdb_unixsock_client_connect(client)) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: "
+ "Failed to connect to livestatus @ %s.",
+ sdb_unixsock_client_path(client));
return -1;
}
- fprintf(stderr, "MK Livestatus backend: Successfully "
- "connected to livestatus @ %s.\n",
- sc_unixsock_client_path(client));
+ sdb_log(SDB_LOG_INFO, "MK Livestatus backend: Successfully "
+ "connected to livestatus @ %s.",
+ sdb_unixsock_client_path(client));
return 0;
-} /* sc_livestatus_init */
+} /* sdb_livestatus_init */
static int
-sc_livestatus_collect(sc_object_t *user_data)
+sdb_livestatus_collect(sdb_object_t *user_data)
{
- sc_unixsock_client_t *client;
+ sdb_unixsock_client_t *client;
int status;
if (! user_data)
return -1;
- client = SC_OBJ_WRAPPER(user_data)->data;
+ client = SDB_OBJ_WRAPPER(user_data)->data;
- status = sc_unixsock_client_send(client, "GET hosts\r\n"
+ status = sdb_unixsock_client_send(client, "GET hosts\r\n"
"Columns: name last_check");
if (status <= 0) {
- fprintf(stderr, "MK Livestatus backend: Failed to send "
- "'GET hosts' command to livestatus @ %s.\n",
- sc_unixsock_client_path(client));
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to send "
+ "'GET hosts' command to livestatus @ %s.",
+ sdb_unixsock_client_path(client));
return -1;
}
- sc_unixsock_client_shutdown(client, SHUT_WR);
-
- while (42) {
- char buffer[1024];
- char *line;
+ sdb_unixsock_client_shutdown(client, SHUT_WR);
- char *hostname = NULL;
- sc_time_t timestamp = 0;
-
- sc_host_t host = SC_HOST_INIT;
-
- sc_unixsock_client_clearerr(client);
- line = sc_unixsock_client_recv(client, buffer, sizeof(buffer));
-
- if (! line)
- break;
-
- if (sc_livestatus_parse_line(line, &hostname, ×tamp)) {
- fprintf(stderr, "MK Livestatus backend: Failed to parse "
- "hosts line: %s\n", line);
- continue;
- }
+ if (sdb_unixsock_client_process_lines(client, sdb_livestatus_get_host,
+ /* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
+ /* column count */ 2, SDB_TYPE_STRING, SDB_TYPE_DATETIME)) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
+ "response from livestatus @ %s while reading hosts.",
+ sdb_unixsock_client_path(client));
+ return -1;
+ }
- host.host_name = hostname;
- host.host_last_update = timestamp;
+ if ((! sdb_unixsock_client_eof(client))
+ || sdb_unixsock_client_error(client)) {
+ char errbuf[1024];
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
+ "host from livestatus @ %s: %s",
+ sdb_unixsock_client_path(client),
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
+ return -1;
+ }
- status = sc_store_host(&host);
+ status = sdb_unixsock_client_send(client, "GET services\r\n"
+ "Columns: host_name description last_check");
+ if (status <= 0) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to send "
+ "'GET services' command to livestatus @ %s.",
+ sdb_unixsock_client_path(client));
+ return -1;
+ }
- if (status < 0) {
- fprintf(stderr, "MK Livestatus backend: Failed to store/update "
- "host '%s'.\n", hostname);
- continue;
- }
- else if (status > 0) /* value too old */
- continue;
+ sdb_unixsock_client_shutdown(client, SHUT_WR);
- fprintf(stderr, "MK Livestatus backend: Added/updated host '%s' "
- "(last update timestamp = %"PRIscTIME").\n",
- hostname, timestamp);
+ if (sdb_unixsock_client_process_lines(client, sdb_livestatus_get_svc,
+ /* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
+ /* column count */ 3, SDB_TYPE_STRING, SDB_TYPE_STRING,
+ SDB_TYPE_DATETIME)) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
+ "response from livestatus @ %s while reading services.",
+ sdb_unixsock_client_path(client));
+ return -1;
}
- if ((! sc_unixsock_client_eof(client))
- || sc_unixsock_client_error(client)) {
+ if ((! sdb_unixsock_client_eof(client))
+ || sdb_unixsock_client_error(client)) {
char errbuf[1024];
- fprintf(stderr, "MK Livestatus backend: Failed to read host "
- "from livestatus @ %s: %s\n",
- sc_unixsock_client_path(client),
- sc_strerror(errno, errbuf, sizeof(errbuf)));
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
+ "services from livestatus @ %s: %s",
+ sdb_unixsock_client_path(client),
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
return -1;
}
return 0;
-} /* sc_livestatus_collect */
+} /* sdb_livestatus_collect */
static int
-sc_livestatus_config_instance(oconfig_item_t *ci)
+sdb_livestatus_config_instance(oconfig_item_t *ci)
{
char *name = NULL;
- char *socket = NULL;
+ char *socket_path = NULL;
char cb_name[1024];
- sc_object_t *user_data;
- sc_unixsock_client_t *client;
+ sdb_object_t *user_data;
+ sdb_unixsock_client_t *client;
int i;
if (oconfig_get_string(ci, &name)) {
- fprintf(stderr, "MK Livestatus backend: Instance requires a single "
- "string argument\n\tUsage: <Instance NAME>\n");
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Instance requires "
+ "a single string argument\n\tUsage: <Instance NAME>");
return -1;
}
oconfig_item_t *child = ci->children + i;
if (! strcasecmp(child->key, "Socket"))
- oconfig_get_string(child, &socket);
+ oconfig_get_string(child, &socket_path);
else
- fprintf(stderr, "MK Livestatus backend: Ignoring unknown config "
- "option '%s' inside <Instance %s>.\n",
+ sdb_log(SDB_LOG_WARNING, "MK Livestatus backend: Ignoring "
+ "unknown config option '%s' inside <Instance %s>.",
child->key, name);
}
- if (! socket) {
- fprintf(stderr, "MK Livestatus backend: Instance '%s' missing "
- "the 'Socket' option.\n", name);
+ if (! socket_path) {
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Instance '%s' "
+ "missing the 'Socket' option.", name);
return -1;
}
- snprintf(cb_name, sizeof(cb_name), "mk-livestatus-%s", name);
+ snprintf(cb_name, sizeof(cb_name), "mk-livestatus::%s", name);
cb_name[sizeof(cb_name) - 1] = '\0';
- client = sc_unixsock_client_create(socket);
+ client = sdb_unixsock_client_create(socket_path);
if (! client) {
char errbuf[1024];
- fprintf(stderr, "MK Livestatus backend: Failed to create unixsock "
- "client: %s\n", sc_strerror(errno, errbuf, sizeof(errbuf)));
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to create "
+ "unixsock client: %s",
+ sdb_strerror(errno, errbuf, sizeof(errbuf)));
return -1;
}
- user_data = sc_object_create_wrapper(client,
- (void (*)(void *))sc_unixsock_client_destroy);
+ user_data = sdb_object_create_wrapper("unixsock-client", client,
+ (void (*)(void *))sdb_unixsock_client_destroy);
if (! user_data) {
- sc_unixsock_client_destroy(client);
- fprintf(stderr, "MK Livestatus backend: Failed to "
- "allocate sc_object_t\n");
+ sdb_unixsock_client_destroy(client);
+ sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
+ "allocate sdb_object_t");
return -1;
}
- sc_plugin_register_init(cb_name, sc_livestatus_init, user_data);
- sc_plugin_register_collector(cb_name, sc_livestatus_collect,
+ sdb_plugin_register_init(cb_name, sdb_livestatus_init, user_data);
+ sdb_plugin_register_collector(cb_name, sdb_livestatus_collect,
/* interval */ NULL, user_data);
/* pass control to the list */
- sc_object_deref(user_data);
+ sdb_object_deref(user_data);
return 0;
-} /* sc_livestatus_config_instance */
+} /* sdb_livestatus_config_instance */
static int
-sc_livestatus_config(oconfig_item_t *ci)
+sdb_livestatus_config(oconfig_item_t *ci)
{
int i;
oconfig_item_t *child = ci->children + i;
if (! strcasecmp(child->key, "Instance"))
- sc_livestatus_config_instance(child);
+ sdb_livestatus_config_instance(child);
else
- fprintf(stderr, "MK Livestatus backend: Ignoring unknown config "
- "option '%s'.\n", child->key);
+ sdb_log(SDB_LOG_WARNING, "MK Livestatus backend: Ignoring "
+ "unknown config option '%s'.", child->key);
}
return 0;
-} /* sc_livestatus_config */
+} /* sdb_livestatus_config */
int
-sc_module_init(sc_plugin_info_t *info)
+sdb_module_init(sdb_plugin_info_t *info)
{
- sc_plugin_set_info(info, SC_PLUGIN_INFO_NAME, "MK-Livestatus");
- sc_plugin_set_info(info, SC_PLUGIN_INFO_DESC,
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_NAME, "MK-Livestatus");
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC,
"backend accessing Nagios/Icinga/Shinken using MK Livestatus");
- sc_plugin_set_info(info, SC_PLUGIN_INFO_COPYRIGHT,
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
"Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>");
- sc_plugin_set_info(info, SC_PLUGIN_INFO_LICENSE, "BSD");
- sc_plugin_set_info(info, SC_PLUGIN_INFO_VERSION, SC_VERSION);
- sc_plugin_set_info(info, SC_PLUGIN_INFO_PLUGIN_VERSION, SC_VERSION);
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_LICENSE, "BSD");
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_VERSION, SDB_VERSION);
+ sdb_plugin_set_info(info, SDB_PLUGIN_INFO_PLUGIN_VERSION, SDB_VERSION);
- sc_plugin_register_config("mk-livestatus", sc_livestatus_config);
+ sdb_plugin_register_config("mk-livestatus", sdb_livestatus_config);
return 0;
-} /* sc_version_extra */
+} /* sdb_version_extra */
/* vim: set tw=78 sw=4 ts=4 noexpandtab : */