Code

Renamed collectd backend to collectd::unixsock.
authorSebastian Harl <sh@tokkee.org>
Sun, 10 Mar 2013 21:57:19 +0000 (22:57 +0100)
committerSebastian Harl <sh@tokkee.org>
Sun, 10 Mar 2013 21:58:31 +0000 (22:58 +0100)
src/Makefile.am
src/backend/collectd.c [deleted file]
src/backend/collectd/unixsock.c [new file with mode: 0644]
src/backend/puppet-storeconfigs.c
src/daemon/sysdbd.conf.sample

index 8b438f60198367444fe3339850585b5b22fff691..a2f0de06ae8e2550b7e6aca5cc05f4f584923824 100644 (file)
@@ -51,15 +51,17 @@ sdbconfdir = $(sysconfdir)/sysdb
 dist_sdbconf_DATA = daemon/sysdbd.conf.sample
 
 pkgbackendlibdir = $(pkglibdir)/backend
+pkgbackendcollectdlibdir = $(pkgbackendlibdir)/collectd
 
 pkgbackendlib_LTLIBRARIES =
+pkgbackendcollectdlib_LTLIBRARIES =
 
 if BUILD_PLUGIN_COLLECTD
-pkgbackendlib_LTLIBRARIES += backend/collectd.la
-backend_collectd_la_SOURCES = backend/collectd.c
-backend_collectd_la_LDFLAGS = -module -avoid-version
-libsysdb_la_LIBADD += -dlopen backend/collectd.la
-libsysdb_la_DEPENDENCIES += backend/collectd.la
+pkgbackendcollectdlib_LTLIBRARIES += backend/collectd/unixsock.la
+backend_collectd_unixsock_la_SOURCES = backend/collectd/unixsock.c
+backend_collectd_unixsock_la_LDFLAGS = -module -avoid-version
+libsysdb_la_LIBADD += -dlopen backend/collectd/unixsock.la
+libsysdb_la_DEPENDENCIES += backend/collectd/unixsock.la
 endif
 
 if BUILD_PLUGIN_MKLIVESTATUS
diff --git a/src/backend/collectd.c b/src/backend/collectd.c
deleted file mode 100644 (file)
index 2ace8e1..0000000
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * SysDB - src/backend/collectd.c
- * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "sysdb.h"
-#include "core/plugin.h"
-#include "core/store.h"
-#include "utils/error.h"
-#include "utils/unixsock.h"
-
-#include "liboconfig/utils.h"
-
-#include <assert.h>
-
-#include <errno.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-SDB_PLUGIN_MAGIC;
-
-/*
- * private data types
- */
-
-typedef struct {
-       char *current_host;
-       sdb_time_t current_timestamp;
-       int svc_updated;
-       int svc_failed;
-} sdb_collectd_state_t;
-#define SDB_COLLECTD_STATE_INIT { NULL, 0, 0, 0 }
-
-/*
- * private helper functions
- */
-
-static int
-sdb_collectd_add_host(const char *hostname, sdb_time_t last_update)
-{
-       sdb_host_t host = SDB_HOST_INIT;
-       char name[strlen(hostname) + 1];
-
-       int status;
-
-       strncpy(name, hostname, sizeof(name));
-
-       host.host_name = name;
-       host.host_last_update = last_update;
-
-       status = sdb_store_host(&host);
-
-       if (status < 0) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to store/update "
-                               "host '%s'.\n", name);
-               return -1;
-       }
-       else if (status > 0) /* value too old */
-               return 0;
-
-       sdb_log(SDB_LOG_DEBUG, "collectd backend: Added/updated host '%s' "
-                       "(last update timestamp = %"PRIscTIME").\n",
-                       name, last_update);
-       return 0;
-} /* sdb_collectd_add_host */
-
-static int
-sdb_collectd_add_svc(const char *hostname, const char *plugin,
-               const char *type, sdb_time_t last_update)
-{
-       sdb_service_t svc = SDB_SVC_INIT;
-       char host[strlen(hostname) + 1];
-       char name[strlen(plugin) + strlen(type) + 2];
-
-       int status;
-
-       strncpy(host, hostname, sizeof(host));
-       snprintf(name, sizeof(name), "%s/%s", plugin, type);
-
-       svc.hostname = host;
-       svc.svc_name = name;
-       svc.svc_last_update = last_update;
-
-       status = sdb_store_service(&svc);
-       if (status < 0) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to store/update "
-                               "service '%s/%s'.\n", host, name);
-               return -1;
-       }
-       return 0;
-} /* sdb_collectd_add_svc */
-
-static int
-sdb_collectd_get_data(sdb_unixsock_client_t __attribute__((unused)) *client,
-               size_t n, sdb_data_t *data, sdb_object_t *user_data)
-{
-       sdb_collectd_state_t *state;
-
-       const char *hostname;
-       const char *plugin;
-       const char *type;
-       sdb_time_t last_update;
-
-       assert(user_data);
-
-       assert(n == 4);
-       assert((data[0].type == SDB_TYPE_DATETIME)
-                       && (data[1].type == SDB_TYPE_STRING)
-                       && (data[2].type == SDB_TYPE_STRING)
-                       && (data[3].type == SDB_TYPE_STRING));
-
-       last_update = data[0].data.datetime;
-       hostname = data[1].data.string;
-       plugin   = data[2].data.string;
-       type     = data[3].data.string;
-
-       state = SDB_OBJ_WRAPPER(user_data)->data;
-
-       if (! state->current_host) {
-               state->current_host = strdup(hostname);
-               state->current_timestamp = last_update;
-       }
-
-       if (! state->current_host) {
-               char errbuf[1024];
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to allocate "
-                               "string buffer: %s\n",
-                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
-               return -1;
-       }
-
-       if (! sdb_store_get_host(hostname))
-               sdb_collectd_add_host(hostname, last_update);
-
-       if (sdb_collectd_add_svc(hostname, plugin, type, last_update))
-               ++state->svc_failed;
-       else
-               ++state->svc_updated;
-
-       if (! strcasecmp(state->current_host, hostname)) {
-               if (last_update > state->current_timestamp)
-                       state->current_timestamp = last_update;
-               return 0;
-       }
-
-       /* new host */
-       sdb_collectd_add_host(hostname, last_update);
-
-       sdb_log(SDB_LOG_DEBUG, "collectd backend: Added/updated "
-                       "%i service%s (%i failed) for host '%s'.\n",
-                       state->svc_updated, state->svc_updated == 1 ? "" : "s",
-                       state->svc_failed, state->current_host);
-       state->svc_updated = state->svc_failed = 0;
-
-       free(state->current_host);
-       state->current_host = strdup(hostname);
-       state->current_timestamp = last_update;
-       return 0;
-} /* sdb_collectd_get_data */
-
-/*
- * plugin API
- */
-
-static int
-sdb_collectd_init(sdb_object_t *user_data)
-{
-       sdb_unixsock_client_t *client;
-
-       if (! user_data)
-               return -1;
-
-       client = SDB_OBJ_WRAPPER(user_data)->data;
-       if (sdb_unixsock_client_connect(client)) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: "
-                               "Failed to connect to collectd.\n");
-               return -1;
-       }
-
-       sdb_log(SDB_LOG_INFO, "collectd backend: Successfully "
-                       "connected to collectd @ %s.\n",
-                       sdb_unixsock_client_path(client));
-       return 0;
-} /* sdb_collectd_init */
-
-static int
-sdb_collectd_shutdown(__attribute__((unused)) sdb_object_t *user_data)
-{
-       return 0;
-} /* sdb_collectd_shutdown */
-
-static int
-sdb_collectd_collect(sdb_object_t *user_data)
-{
-       sdb_unixsock_client_t *client;
-
-       char  buffer[1024];
-       char *line;
-       char *msg;
-
-       char *endptr = NULL;
-       long int count;
-
-       sdb_collectd_state_t state = SDB_COLLECTD_STATE_INIT;
-       sdb_object_wrapper_t state_obj = SDB_OBJECT_WRAPPER_STATIC(&state,
-                       /* destructor = */ NULL);
-
-       if (! user_data)
-               return -1;
-
-       client = SDB_OBJ_WRAPPER(user_data)->data;
-
-       if (sdb_unixsock_client_send(client, "LISTVAL") <= 0) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to send LISTVAL "
-                               "command to collectd @ %s.\n",
-                               sdb_unixsock_client_path(client));
-               return -1;
-       }
-
-       line = sdb_unixsock_client_recv(client, buffer, sizeof(buffer));
-       if (! line) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to read status "
-                               "of LISTVAL command from collectd @ %s.\n",
-                               sdb_unixsock_client_path(client));
-               return -1;
-       }
-
-       msg = strchr(line, ' ');
-       if (msg) {
-               *msg = '\0';
-               ++msg;
-       }
-
-       errno = 0;
-       count = strtol(line, &endptr, /* base */ 0);
-       if (errno || (line == endptr)) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to parse status "
-                               "of LISTVAL command from collectd @ %s.\n",
-                               sdb_unixsock_client_path(client));
-               return -1;
-       }
-
-       if (count < 0) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to get value "
-                               "list from collectd @ %s: %s\n",
-                               sdb_unixsock_client_path(client),
-                               msg ? msg : line);
-               return -1;
-       }
-
-       if (sdb_unixsock_client_process_lines(client, sdb_collectd_get_data,
-                               SDB_OBJ(&state_obj), count, /* delim */ " /",
-                               /* column count = */ 4,
-                               SDB_TYPE_DATETIME, SDB_TYPE_STRING,
-                               SDB_TYPE_STRING, SDB_TYPE_STRING)) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to read response "
-                               "from collectd @ %s.\n", sdb_unixsock_client_path(client));
-               return -1;
-       }
-
-       if (state.current_host) {
-               sdb_collectd_add_host(state.current_host, state.current_timestamp);
-               sdb_log(SDB_LOG_DEBUG, "collectd backend: Added/updated "
-                               "%i service%s (%i failed) for host '%s'.\n",
-                               state.svc_updated, state.svc_updated == 1 ? "" : "s",
-                               state.svc_failed, state.current_host);
-       }
-       return 0;
-} /* sdb_collectd_collect */
-
-static int
-sdb_collectd_config_instance(oconfig_item_t *ci)
-{
-       char *name = NULL;
-       char *socket_path = NULL;
-
-       char cb_name[1024];
-
-       sdb_object_t *user_data;
-       sdb_unixsock_client_t *client;
-
-       int i;
-
-       if (oconfig_get_string(ci, &name)) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Instance requires a "
-                               "single string argument\n\tUsage: <Instance NAME>\n");
-               return -1;
-       }
-
-       for (i = 0; i < ci->children_num; ++i) {
-               oconfig_item_t *child = ci->children + i;
-
-               if (! strcasecmp(child->key, "Socket"))
-                       oconfig_get_string(child, &socket_path);
-               else
-                       sdb_log(SDB_LOG_WARNING, "collectd backend: Ignoring "
-                                       "unknown config option '%s' inside <Instance %s>.\n",
-                                       child->key, name);
-       }
-
-       if (! socket_path) {
-               sdb_log(SDB_LOG_ERR, "collectd backend: Instance '%s' missing "
-                               "the 'Socket' option.\n", name);
-               return -1;
-       }
-
-       snprintf(cb_name, sizeof(cb_name), "collectd-%s", name);
-       cb_name[sizeof(cb_name) - 1] = '\0';
-
-       client = sdb_unixsock_client_create(socket_path);
-       if (! client) {
-               char errbuf[1024];
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to create "
-                               "unixsock client: %s\n",
-                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
-               return -1;
-       }
-
-       user_data = sdb_object_create_wrapper(client,
-                       (void (*)(void *))sdb_unixsock_client_destroy);
-       if (! user_data) {
-               sdb_unixsock_client_destroy(client);
-               sdb_log(SDB_LOG_ERR, "collectd backend: Failed to allocate "
-                               "sdb_object_t\n");
-               return -1;
-       }
-
-       sdb_plugin_register_init(cb_name, sdb_collectd_init, user_data);
-       sdb_plugin_register_shutdown(cb_name, sdb_collectd_shutdown, user_data);
-
-       sdb_plugin_register_collector(cb_name, sdb_collectd_collect,
-                       /* interval */ NULL, user_data);
-
-       /* pass control to the list */
-       sdb_object_deref(user_data);
-       return 0;
-} /* sdb_collectd_config_instance */
-
-static int
-sdb_collectd_config(oconfig_item_t *ci)
-{
-       int i;
-
-       for (i = 0; i < ci->children_num; ++i) {
-               oconfig_item_t *child = ci->children + i;
-
-               if (! strcasecmp(child->key, "Instance"))
-                       sdb_collectd_config_instance(child);
-               else
-                       sdb_log(SDB_LOG_WARNING, "collectd backend: Ignoring "
-                                       "unknown config option '%s'.\n", child->key);
-       }
-       return 0;
-} /* sdb_collectd_config */
-
-int
-sdb_module_init(sdb_plugin_info_t *info)
-{
-       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_NAME, "collectd");
-       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC,
-                       "backend accessing the system statistics collection daemon");
-       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
-                       "Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>");
-       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);
-
-       sdb_plugin_register_config("collectd", sdb_collectd_config);
-       return 0;
-} /* sdb_version_extra */
-
-/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
-
diff --git a/src/backend/collectd/unixsock.c b/src/backend/collectd/unixsock.c
new file mode 100644 (file)
index 0000000..01c2f25
--- /dev/null
@@ -0,0 +1,399 @@
+/*
+ * SysDB - src/backend/collectd/unixsock.c
+ * Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sysdb.h"
+#include "core/plugin.h"
+#include "core/store.h"
+#include "utils/error.h"
+#include "utils/unixsock.h"
+
+#include "liboconfig/utils.h"
+
+#include <assert.h>
+
+#include <errno.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+SDB_PLUGIN_MAGIC;
+
+/*
+ * private data types
+ */
+
+typedef struct {
+       char *current_host;
+       sdb_time_t current_timestamp;
+       int svc_updated;
+       int svc_failed;
+} sdb_collectd_state_t;
+#define SDB_COLLECTD_STATE_INIT { NULL, 0, 0, 0 }
+
+/*
+ * private helper functions
+ */
+
+static int
+sdb_collectd_add_host(const char *hostname, sdb_time_t last_update)
+{
+       sdb_host_t host = SDB_HOST_INIT;
+       char name[strlen(hostname) + 1];
+
+       int status;
+
+       strncpy(name, hostname, sizeof(name));
+
+       host.host_name = name;
+       host.host_last_update = last_update;
+
+       status = sdb_store_host(&host);
+
+       if (status < 0) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to "
+                               "store/update host '%s'.\n", name);
+               return -1;
+       }
+       else if (status > 0) /* value too old */
+               return 0;
+
+       sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
+                       "host '%s' (last update timestamp = %"PRIscTIME").\n",
+                       name, last_update);
+       return 0;
+} /* sdb_collectd_add_host */
+
+static int
+sdb_collectd_add_svc(const char *hostname, const char *plugin,
+               const char *type, sdb_time_t last_update)
+{
+       sdb_service_t svc = SDB_SVC_INIT;
+       char host[strlen(hostname) + 1];
+       char name[strlen(plugin) + strlen(type) + 2];
+
+       int status;
+
+       strncpy(host, hostname, sizeof(host));
+       snprintf(name, sizeof(name), "%s/%s", plugin, type);
+
+       svc.hostname = host;
+       svc.svc_name = name;
+       svc.svc_last_update = last_update;
+
+       status = sdb_store_service(&svc);
+       if (status < 0) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to "
+                               "store/update service '%s/%s'.\n", host, name);
+               return -1;
+       }
+       return 0;
+} /* sdb_collectd_add_svc */
+
+static int
+sdb_collectd_get_data(sdb_unixsock_client_t __attribute__((unused)) *client,
+               size_t n, sdb_data_t *data, sdb_object_t *user_data)
+{
+       sdb_collectd_state_t *state;
+
+       const char *hostname;
+       const char *plugin;
+       const char *type;
+       sdb_time_t last_update;
+
+       assert(user_data);
+
+       assert(n == 4);
+       assert((data[0].type == SDB_TYPE_DATETIME)
+                       && (data[1].type == SDB_TYPE_STRING)
+                       && (data[2].type == SDB_TYPE_STRING)
+                       && (data[3].type == SDB_TYPE_STRING));
+
+       last_update = data[0].data.datetime;
+       hostname = data[1].data.string;
+       plugin   = data[2].data.string;
+       type     = data[3].data.string;
+
+       state = SDB_OBJ_WRAPPER(user_data)->data;
+
+       if (! state->current_host) {
+               state->current_host = strdup(hostname);
+               state->current_timestamp = last_update;
+       }
+
+       if (! state->current_host) {
+               char errbuf[1024];
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to allocate "
+                               "string buffer: %s\n",
+                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
+               return -1;
+       }
+
+       if (! sdb_store_get_host(hostname))
+               sdb_collectd_add_host(hostname, last_update);
+
+       if (sdb_collectd_add_svc(hostname, plugin, type, last_update))
+               ++state->svc_failed;
+       else
+               ++state->svc_updated;
+
+       if (! strcasecmp(state->current_host, hostname)) {
+               if (last_update > state->current_timestamp)
+                       state->current_timestamp = last_update;
+               return 0;
+       }
+
+       /* new host */
+       sdb_collectd_add_host(hostname, last_update);
+
+       sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
+                       "%i service%s (%i failed) for host '%s'.\n",
+                       state->svc_updated, state->svc_updated == 1 ? "" : "s",
+                       state->svc_failed, state->current_host);
+       state->svc_updated = state->svc_failed = 0;
+
+       free(state->current_host);
+       state->current_host = strdup(hostname);
+       state->current_timestamp = last_update;
+       return 0;
+} /* sdb_collectd_get_data */
+
+/*
+ * plugin API
+ */
+
+static int
+sdb_collectd_init(sdb_object_t *user_data)
+{
+       sdb_unixsock_client_t *client;
+
+       if (! user_data)
+               return -1;
+
+       client = SDB_OBJ_WRAPPER(user_data)->data;
+       if (sdb_unixsock_client_connect(client)) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: "
+                               "Failed to connect to collectd.\n");
+               return -1;
+       }
+
+       sdb_log(SDB_LOG_INFO, "collectd::unixsock backend: Successfully "
+                       "connected to collectd @ %s.\n",
+                       sdb_unixsock_client_path(client));
+       return 0;
+} /* sdb_collectd_init */
+
+static int
+sdb_collectd_shutdown(__attribute__((unused)) sdb_object_t *user_data)
+{
+       return 0;
+} /* sdb_collectd_shutdown */
+
+static int
+sdb_collectd_collect(sdb_object_t *user_data)
+{
+       sdb_unixsock_client_t *client;
+
+       char  buffer[1024];
+       char *line;
+       char *msg;
+
+       char *endptr = NULL;
+       long int count;
+
+       sdb_collectd_state_t state = SDB_COLLECTD_STATE_INIT;
+       sdb_object_wrapper_t state_obj = SDB_OBJECT_WRAPPER_STATIC(&state,
+                       /* destructor = */ NULL);
+
+       if (! user_data)
+               return -1;
+
+       client = SDB_OBJ_WRAPPER(user_data)->data;
+
+       if (sdb_unixsock_client_send(client, "LISTVAL") <= 0) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to send "
+                               "LISTVAL command to collectd @ %s.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
+
+       line = sdb_unixsock_client_recv(client, buffer, sizeof(buffer));
+       if (! line) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to read "
+                               "status of LISTVAL command from collectd @ %s.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
+
+       msg = strchr(line, ' ');
+       if (msg) {
+               *msg = '\0';
+               ++msg;
+       }
+
+       errno = 0;
+       count = strtol(line, &endptr, /* base */ 0);
+       if (errno || (line == endptr)) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to parse "
+                               "status of LISTVAL command from collectd @ %s.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
+
+       if (count < 0) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to get "
+                               "value list from collectd @ %s: %s\n",
+                               sdb_unixsock_client_path(client),
+                               msg ? msg : line);
+               return -1;
+       }
+
+       if (sdb_unixsock_client_process_lines(client, sdb_collectd_get_data,
+                               SDB_OBJ(&state_obj), count, /* delim */ " /",
+                               /* column count = */ 4,
+                               SDB_TYPE_DATETIME, SDB_TYPE_STRING,
+                               SDB_TYPE_STRING, SDB_TYPE_STRING)) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed "
+                               "to read response from collectd @ %s.\n",
+                               sdb_unixsock_client_path(client));
+               return -1;
+       }
+
+       if (state.current_host) {
+               sdb_collectd_add_host(state.current_host, state.current_timestamp);
+               sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
+                               "%i service%s (%i failed) for host '%s'.\n",
+                               state.svc_updated, state.svc_updated == 1 ? "" : "s",
+                               state.svc_failed, state.current_host);
+       }
+       return 0;
+} /* sdb_collectd_collect */
+
+static int
+sdb_collectd_config_instance(oconfig_item_t *ci)
+{
+       char *name = NULL;
+       char *socket_path = NULL;
+
+       char cb_name[1024];
+
+       sdb_object_t *user_data;
+       sdb_unixsock_client_t *client;
+
+       int i;
+
+       if (oconfig_get_string(ci, &name)) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Instance requires "
+                               "a single string argument\n\tUsage: <Instance NAME>\n");
+               return -1;
+       }
+
+       for (i = 0; i < ci->children_num; ++i) {
+               oconfig_item_t *child = ci->children + i;
+
+               if (! strcasecmp(child->key, "Socket"))
+                       oconfig_get_string(child, &socket_path);
+               else
+                       sdb_log(SDB_LOG_WARNING, "collectd::unixsock backend: Ignoring "
+                                       "unknown config option '%s' inside <Instance %s>.\n",
+                                       child->key, name);
+       }
+
+       if (! socket_path) {
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Instance '%s' "
+                               "missing the 'Socket' option.\n", name);
+               return -1;
+       }
+
+       snprintf(cb_name, sizeof(cb_name), "collectd::unixsock::%s", name);
+       cb_name[sizeof(cb_name) - 1] = '\0';
+
+       client = sdb_unixsock_client_create(socket_path);
+       if (! client) {
+               char errbuf[1024];
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to create "
+                               "unixsock client: %s\n",
+                               sdb_strerror(errno, errbuf, sizeof(errbuf)));
+               return -1;
+       }
+
+       user_data = sdb_object_create_wrapper(client,
+                       (void (*)(void *))sdb_unixsock_client_destroy);
+       if (! user_data) {
+               sdb_unixsock_client_destroy(client);
+               sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to allocate "
+                               "sdb_object_t\n");
+               return -1;
+       }
+
+       sdb_plugin_register_init(cb_name, sdb_collectd_init, user_data);
+       sdb_plugin_register_shutdown(cb_name, sdb_collectd_shutdown, user_data);
+
+       sdb_plugin_register_collector(cb_name, sdb_collectd_collect,
+                       /* interval */ NULL, user_data);
+
+       /* pass control to the list */
+       sdb_object_deref(user_data);
+       return 0;
+} /* sdb_collectd_config_instance */
+
+static int
+sdb_collectd_config(oconfig_item_t *ci)
+{
+       int i;
+
+       for (i = 0; i < ci->children_num; ++i) {
+               oconfig_item_t *child = ci->children + i;
+
+               if (! strcasecmp(child->key, "Instance"))
+                       sdb_collectd_config_instance(child);
+               else
+                       sdb_log(SDB_LOG_WARNING, "collectd::unixsock backend: Ignoring "
+                                       "unknown config option '%s'.\n", child->key);
+       }
+       return 0;
+} /* sdb_collectd_config */
+
+int
+sdb_module_init(sdb_plugin_info_t *info)
+{
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_NAME, "collectd::unixsock");
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_DESC,
+                       "backend accessing the system statistics collection daemon "
+                       "throught the UNIXSOCK interface");
+       sdb_plugin_set_info(info, SDB_PLUGIN_INFO_COPYRIGHT,
+                       "Copyright (C) 2012 Sebastian 'tokkee' Harl <sh@tokkee.org>");
+       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);
+
+       sdb_plugin_register_config("collectd::unixsock", sdb_collectd_config);
+       return 0;
+} /* sdb_version_extra */
+
+/* vim: set tw=78 sw=4 ts=4 noexpandtab : */
+
index 5549f777f07967e1b2129021463b6734e7474daa..a798777cbb52386df25cd73df65ece8c2384db6c 100644 (file)
@@ -182,7 +182,7 @@ sdb_puppet_stcfg_collect(sdb_object_t *user_data)
                return -1;
        }
        return 0;
-} /* sdb_collectd_collect */
+} /* sdb_puppet_stcfg_collect */
 
 static int
 sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
index 60a465696881ea6bd0c94c57867a5eaa710018f6..7ca023a515e22549ce9531bf15458f3cff8f6f32 100644 (file)
@@ -24,7 +24,7 @@ Interval 300
 #   </LoadPlugin>                                                            #
 #----------------------------------------------------------------------------#
 
-LoadBackend "collectd"
+LoadBackend "collectd::unixsock"
 LoadBackend "mk-livestatus"
 LoadBackend "puppet-storeconfigs"
 
@@ -32,7 +32,7 @@ LoadBackend "puppet-storeconfigs"
 # Plugin configuration:                                                      #
 #----------------------------------------------------------------------------#
 
-<Backend "collectd">
+<Backend "collectd::unixsock">
        <Instance "central-collector">
                Socket "/var/run/collectd-unixsock"
        </Instance>