From: Marc Fournier Date: Tue, 3 Mar 2015 20:36:21 +0000 (+0100) Subject: Merge remote-tracking branch 'origin/pr/598' X-Git-Tag: collectd-5.5.0~80 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=0febfbd11d87acd8a0f10bbcf5d4a58bb68b8dc0;p=collectd.git Merge remote-tracking branch 'origin/pr/598' Conflicts: src/collectd.conf.in src/types.db --- 0febfbd11d87acd8a0f10bbcf5d4a58bb68b8dc0 diff --cc configure.ac index f2d7ebdb,1cdb0250..2af661ef --- a/configure.ac +++ b/configure.ac @@@ -5100,9 -4786,9 +5100,10 @@@ dependency_warning="no dependency_error="no" plugin_ascent="no" +plugin_barometer="no" plugin_battery="no" plugin_bind="no" + plugin_ceph="no" plugin_cgroups="no" plugin_conntrack="no" plugin_contextswitch="no" @@@ -5465,9 -5120,9 +5471,10 @@@ AC_PLUGIN([apcups], [yes] AC_PLUGIN([apple_sensors], [$with_libiokit], [Apple's hardware sensors]) AC_PLUGIN([aquaero], [$with_libaquaero5], [Aquaero's hardware sensors]) AC_PLUGIN([ascent], [$plugin_ascent], [AscentEmu player statistics]) +AC_PLUGIN([barometer], [$plugin_barometer], [Barometer sensor on I2C]) AC_PLUGIN([battery], [$plugin_battery], [Battery statistics]) AC_PLUGIN([bind], [$plugin_bind], [ISC Bind nameserver statistics]) + AC_PLUGIN([ceph], [$plugin_ceph], [Ceph daemon statistics]) AC_PLUGIN([conntrack], [$plugin_conntrack], [nf_conntrack statistics]) AC_PLUGIN([contextswitch], [$plugin_contextswitch], [context switch statistics]) AC_PLUGIN([cpufreq], [$plugin_cpufreq], [CPU frequency statistics]) @@@ -5836,9 -5466,9 +5843,10 @@@ Configuration aquaero . . . . . . . $enable_aquaero apple_sensors . . . . $enable_apple_sensors ascent . . . . . . . $enable_ascent + barometer . . . . . . $enable_barometer battery . . . . . . . $enable_battery bind . . . . . . . . $enable_bind + ceph . . . . . . . . $enable_ceph conntrack . . . . . . $enable_conntrack contextswitch . . . . $enable_contextswitch cgroups . . . . . . . $enable_cgroups diff --cc src/Makefile.am index 004fc94b,b8857c07..14708c01 --- a/src/Makefile.am +++ b/src/Makefile.am @@@ -165,18 -232,29 +165,27 @@@ endi if BUILD_PLUGIN_BIND pkglib_LTLIBRARIES += bind.la bind_la_SOURCES = bind.c -bind_la_LDFLAGS = -module -avoid-version +bind_la_LDFLAGS = $(PLUGIN_LDFLAGS) bind_la_CFLAGS = $(AM_CFLAGS) \ - $(BUILD_WITH_LIBCURL_CFLAGS) $(BUILD_WITH_LIBXML2_CFLAGS) + $(BUILD_WITH_LIBCURL_CFLAGS) $(BUILD_WITH_LIBXML2_CFLAGS) bind_la_LIBADD = $(BUILD_WITH_LIBCURL_LIBS) $(BUILD_WITH_LIBXML2_LIBS) -collectd_LDADD += "-dlopen" bind.la -collectd_DEPENDENCIES += bind.la endif + if BUILD_PLUGIN_CEPH + pkglib_LTLIBRARIES += ceph.la + ceph_la_SOURCES = ceph.c + ceph_la_CFLAGS = $(AM_CFLAGS) + ceph_la_LDFLAGS = $(PLUGIN_LDFLAGS) $(BUILD_WITH_LIBYAJL_LDFLAGS) + ceph_la_CPPFLAGS = $(AM_CPPFLAGS) $(BUILD_WITH_LIBYAJL_CPPFLAGS) + ceph_la_LIBADD = $(BUILD_WITH_LIBYAJL_LIBS) + endif + if BUILD_PLUGIN_CGROUPS pkglib_LTLIBRARIES += cgroups.la -cgroups_la_SOURCES = cgroups.c utils_mount.c utils_mount.h -cgroups_la_LDFLAGS = -module -avoid-version -collectd_LDADD += "-dlopen" cgroups.la -collectd_DEPENDENCIES += cgroups.la +cgroups_la_SOURCES = cgroups.c \ + utils_ignorelist.c utils_ignorelist.h \ + utils_mount.c utils_mount.h +cgroups_la_LDFLAGS = $(PLUGIN_LDFLAGS) endif if BUILD_PLUGIN_CONNTRACK diff --cc src/ceph.c index 00000000,4ae6e54b..1b1f40b4 mode 000000,100644..100644 --- a/src/ceph.c +++ b/src/ceph.c @@@ -1,0 -1,1579 +1,1579 @@@ + /** + * collectd - src/ceph.c + * Copyright (C) 2011 New Dream Network + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; only version 2 of the License is applicable. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Authors: + * Colin McCabe + * Dennis Zou + * Dan Ryder + **/ + + #define _BSD_SOURCE + + #include "collectd.h" + #include "common.h" + #include "plugin.h" + + #include + #include + #include + #include + #if HAVE_YAJL_YAJL_VERSION_H + #include + #endif + + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + #include + + #define RETRY_AVGCOUNT -1 + + #if defined(YAJL_MAJOR) && (YAJL_MAJOR > 1) + # define HAVE_YAJL_V2 1 + #endif + + #define RETRY_ON_EINTR(ret, expr) \ + while(1) { \ + ret = expr; \ + if(ret >= 0) \ + break; \ + ret = -errno; \ + if(ret != -EINTR) \ + break; \ + } + + /** Timeout interval in seconds */ + #define CEPH_TIMEOUT_INTERVAL 1 + + /** Maximum path length for a UNIX domain socket on this system */ + #define UNIX_DOMAIN_SOCK_PATH_MAX (sizeof(((struct sockaddr_un*)0)->sun_path)) + + /** Yajl callback returns */ + #define CEPH_CB_CONTINUE 1 + #define CEPH_CB_ABORT 0 + + #if HAVE_YAJL_V2 + typedef size_t yajl_len_t; + #else + typedef unsigned int yajl_len_t; + #endif + + /** Number of types for ceph defined in types.db */ + #define CEPH_DSET_TYPES_NUM 3 + /** ceph types enum */ + enum ceph_dset_type_d + { + DSET_LATENCY = 0, + DSET_BYTES = 1, + DSET_RATE = 2, + DSET_TYPE_UNFOUND = 1000 + }; + + /** Valid types for ceph defined in types.db */ + const char * ceph_dset_types [CEPH_DSET_TYPES_NUM] = + {"ceph_latency", "ceph_bytes", "ceph_rate"}; + + /******* ceph_daemon *******/ + struct ceph_daemon + { + /** Version of the admin_socket interface */ + uint32_t version; + /** daemon name **/ + char name[DATA_MAX_NAME_LEN]; + + /** Path to the socket that we use to talk to the ceph daemon */ + char asok_path[UNIX_DOMAIN_SOCK_PATH_MAX]; + + /** Number of counters */ + int ds_num; + /** Track ds types */ + uint32_t *ds_types; + /** Track ds names to match with types */ + char **ds_names; - ++ + /** + * Keep track of last data for latency values so we can calculate rate + * since last poll. + */ + struct last_data **last_poll_data; + /** index of last poll data */ + int last_idx; + }; + + /******* JSON parsing *******/ + typedef int (*node_handler_t)(void *, const char*, const char*); + + /** Track state and handler while parsing JSON */ + struct yajl_struct + { + node_handler_t handler; + void * handler_arg; + struct { + char key[DATA_MAX_NAME_LEN]; + int key_len; + } state[YAJL_MAX_DEPTH]; + int depth; + }; + typedef struct yajl_struct yajl_struct; + + enum perfcounter_type_d + { + PERFCOUNTER_LATENCY = 0x4, PERFCOUNTER_DERIVE = 0x8, + }; + + /** Give user option to use default (long run = since daemon started) avg */ + static int long_run_latency_avg = 0; + + /** + * Give user option to use default type for special cases - + * filestore.journal_wr_bytes is currently only metric here. Ceph reports the + * type as a sum/count pair and will calculate it the same as a latency value. + * All other "bytes" metrics (excluding the used/capacity bytes for the OSD) + * use the DERIVE type. Unless user specifies to use given type, convert this + * metric to use DERIVE. + */ + static int convert_special_metrics = 1; + + /** Array of daemons to monitor */ + static struct ceph_daemon **g_daemons = NULL; + + /** Number of elements in g_daemons */ + static int g_num_daemons = 0; + + /** + * A set of data that we build up in memory while parsing the JSON. + */ + struct values_tmp + { + /** ceph daemon we are processing data for*/ + struct ceph_daemon *d; + /** track avgcount across counters for avgcount/sum latency pairs */ + uint64_t avgcount; + /** current index of counters - used to get type of counter */ + int index; + /** do we already have an avgcount for latency pair */ + int avgcount_exists; + /** + * similar to index, but current index of latency type counters - + * used to get last poll data of counter + */ + int latency_index; + /** + * values list - maintain across counters since + * host/plugin/plugin instance are always the same + */ + value_list_t vlist; + }; + + /** + * A set of count/sum pairs to keep track of latency types and get difference + * between this poll data and last poll data. + */ + struct last_data + { + char ds_name[DATA_MAX_NAME_LEN]; + double last_sum; + uint64_t last_count; + }; + + /******* network I/O *******/ + enum cstate_t + { + CSTATE_UNCONNECTED = 0, + CSTATE_WRITE_REQUEST, + CSTATE_READ_VERSION, + CSTATE_READ_AMT, + CSTATE_READ_JSON, + }; + + enum request_type_t + { + ASOK_REQ_VERSION = 0, + ASOK_REQ_DATA = 1, + ASOK_REQ_SCHEMA = 2, + ASOK_REQ_NONE = 1000, + }; + + struct cconn + { + /** The Ceph daemon that we're talking to */ + struct ceph_daemon *d; + + /** Request type */ + uint32_t request_type; + + /** The connection state */ + enum cstate_t state; + + /** The socket we use to talk to this daemon */ + int asok; + + /** The amount of data remaining to read / write. */ + uint32_t amt; + + /** Length of the JSON to read */ + uint32_t json_len; + + /** Buffer containing JSON data */ + unsigned char *json; + + /** Keep data important to yajl processing */ + struct yajl_struct yajl; + }; + + static int ceph_cb_null(void *ctx) + { + return CEPH_CB_CONTINUE; + } + + static int ceph_cb_boolean(void *ctx, int bool_val) + { + return CEPH_CB_CONTINUE; + } + -static int ++static int + ceph_cb_number(void *ctx, const char *number_val, yajl_len_t number_len) + { + yajl_struct *yajl = (yajl_struct*)ctx; + char buffer[number_len+1]; + int i, latency_type = 0, result; + char key[128]; + + memcpy(buffer, number_val, number_len); + buffer[sizeof(buffer) - 1] = 0; + + ssnprintf(key, yajl->state[0].key_len, "%s", yajl->state[0].key); + for(i = 1; i < yajl->depth; i++) + { + if((i == yajl->depth-1) && ((strcmp(yajl->state[i].key,"avgcount") == 0) + || (strcmp(yajl->state[i].key,"sum") == 0))) + { + if(convert_special_metrics) + { + /** + * Special case for filestore:JournalWrBytes. For some reason, + * Ceph schema encodes this as a count/sum pair while all + * other "Bytes" data (excluding used/capacity bytes for OSD + * space) uses a single "Derive" type. To spare further + * confusion, keep this KPI as the same type of other "Bytes". + * Instead of keeping an "average" or "rate", use the "sum" in + * the pair and assign that to the derive value. + */ + if((strcmp(yajl->state[i-1].key, "journal_wr_bytes") == 0) && + (strcmp(yajl->state[i-2].key,"filestore") == 0) && + (strcmp(yajl->state[i].key,"avgcount") == 0)) + { + DEBUG("ceph plugin: Skipping avgcount for filestore.JournalWrBytes"); + yajl->depth = (yajl->depth - 1); + return CEPH_CB_CONTINUE; + } + } + //probably a avgcount/sum pair. if not - we'll try full key later + latency_type = 1; + break; + } + strncat(key, ".", 1); + strncat(key, yajl->state[i].key, yajl->state[i].key_len+1); + } + + result = yajl->handler(yajl->handler_arg, buffer, key); + + if((result == RETRY_AVGCOUNT) && latency_type) + { + strncat(key, ".", 1); + strncat(key, yajl->state[yajl->depth-1].key, + yajl->state[yajl->depth-1].key_len+1); + result = yajl->handler(yajl->handler_arg, buffer, key); + } + + if(result == -ENOMEM) + { + ERROR("ceph plugin: memory allocation failed"); + return CEPH_CB_ABORT; + } + + yajl->depth = (yajl->depth - 1); + return CEPH_CB_CONTINUE; + } + -static int ceph_cb_string(void *ctx, const unsigned char *string_val, ++static int ceph_cb_string(void *ctx, const unsigned char *string_val, + yajl_len_t string_len) + { + return CEPH_CB_CONTINUE; + } + + static int ceph_cb_start_map(void *ctx) + { + return CEPH_CB_CONTINUE; + } + + static int + ceph_cb_map_key(void *ctx, const unsigned char *key, yajl_len_t string_len) + { + yajl_struct *yajl = (yajl_struct*)ctx; + + if((yajl->depth+1) >= YAJL_MAX_DEPTH) + { + ERROR("ceph plugin: depth exceeds max, aborting."); + return CEPH_CB_ABORT; + } + + char buffer[string_len+1]; + + memcpy(buffer, key, string_len); + buffer[sizeof(buffer) - 1] = 0; + + snprintf(yajl->state[yajl->depth].key, sizeof(buffer), "%s", buffer); + yajl->state[yajl->depth].key_len = sizeof(buffer); + yajl->depth = (yajl->depth + 1); + + return CEPH_CB_CONTINUE; + } + + static int ceph_cb_end_map(void *ctx) + { + yajl_struct *yajl = (yajl_struct*)ctx; + + yajl->depth = (yajl->depth - 1); + return CEPH_CB_CONTINUE; + } + + static int ceph_cb_start_array(void *ctx) + { + return CEPH_CB_CONTINUE; + } + + static int ceph_cb_end_array(void *ctx) + { + return CEPH_CB_CONTINUE; + } + + static yajl_callbacks callbacks = { + ceph_cb_null, + ceph_cb_boolean, + NULL, + NULL, + ceph_cb_number, + ceph_cb_string, + ceph_cb_start_map, + ceph_cb_map_key, + ceph_cb_end_map, + ceph_cb_start_array, + ceph_cb_end_array + }; + + static void ceph_daemon_print(const struct ceph_daemon *d) + { + DEBUG("ceph plugin: name=%s, asok_path=%s", d->name, d->asok_path); + } + + static void ceph_daemons_print(void) + { + int i; + for(i = 0; i < g_num_daemons; ++i) + { + ceph_daemon_print(g_daemons[i]); + } + } + + static void ceph_daemon_free(struct ceph_daemon *d) + { + int i = 0; + for(; i < d->last_idx; i++) + { + sfree(d->last_poll_data[i]); + } + sfree(d->last_poll_data); + d->last_poll_data = NULL; + d->last_idx = 0; + for(i = 0; i < d->ds_num; i++) + { + sfree(d->ds_names[i]); + } + sfree(d->ds_types); + sfree(d->ds_names); + sfree(d); + } + + /** + * Compact ds name by removing special characters and trimming length to + * DATA_MAX_NAME_LEN if necessary + */ + static void compact_ds_name(char *source, char *dest) + { + int keys_num = 0, i; + char *save_ptr = NULL, *tmp_ptr = source; + char *keys[16]; + char len_str[3]; + char tmp[DATA_MAX_NAME_LEN]; + size_t key_chars_remaining = (DATA_MAX_NAME_LEN-1); + int reserved = 0; + int offset = 0; + memset(tmp, 0, sizeof(tmp)); + if(source == NULL || dest == NULL || source[0] == '\0' || dest[0] != '\0') + { + return; + } + size_t src_len = strlen(source); + snprintf(len_str, sizeof(len_str), "%zu", src_len); + unsigned char append_status = 0x0; + append_status |= (source[src_len - 1] == '-') ? 0x1 : 0x0; + append_status |= (source[src_len - 1] == '+') ? 0x2 : 0x0; + while ((keys[keys_num] = strtok_r(tmp_ptr, ":_-+", &save_ptr)) != NULL) + { + tmp_ptr = NULL; + /** capitalize 1st char **/ + keys[keys_num][0] = toupper(keys[keys_num][0]); + keys_num++; + if(keys_num >= 16) + { + break; + } + } + /** concatenate each part of source string **/ + for(i = 0; i < keys_num; i++) + { + strncat(tmp, keys[i], key_chars_remaining); + key_chars_remaining -= strlen(keys[i]); + } + tmp[DATA_MAX_NAME_LEN - 1] = '\0'; + /** to coordinate limitation of length of type_instance + * we will truncate ds_name + * when the its length is more than + * DATA_MAX_NAME_LEN + */ + if(strlen(tmp) > DATA_MAX_NAME_LEN - 1) + { + append_status |= 0x4; + /** we should reserve space for + * len_str + */ + reserved += 2; + } + if(append_status & 0x1) + { + /** we should reserve space for + * "Minus" + */ + reserved += 5; + } + if(append_status & 0x2) + { + /** we should reserve space for + * "Plus" + */ + reserved += 4; + } + snprintf(dest, DATA_MAX_NAME_LEN - reserved, "%s", tmp); + offset = strlen(dest); + switch (append_status) + { + case 0x1: + memcpy(dest + offset, "Minus", 5); + break; + case 0x2: + memcpy(dest + offset, "Plus", 5); + break; + case 0x4: + memcpy(dest + offset, len_str, 2); + break; + case 0x5: + memcpy(dest + offset, "Minus", 5); + memcpy(dest + offset + 5, len_str, 2); + break; + case 0x6: + memcpy(dest + offset, "Plus", 4); + memcpy(dest + offset + 4, len_str, 2); + break; + default: + break; + } + } + + /** + * Parse key to remove "type" if this is for schema and initiate compaction + */ + static int parse_keys(const char *key_str, char *ds_name) + { + char *ptr, *rptr; + size_t ds_name_len = 0; + /** + * allow up to 100 characters before compaction - compact_ds_name will not + * allow more than DATA_MAX_NAME_LEN chars + */ + int max_str_len = 100; + char tmp_ds_name[max_str_len]; + memset(tmp_ds_name, 0, sizeof(tmp_ds_name)); - if(ds_name == NULL || key_str == NULL || key_str[0] == '\0' || ++ if(ds_name == NULL || key_str == NULL || key_str[0] == '\0' || + ds_name[0] != '\0') + { + return -1; + } + if((ptr = strchr(key_str, '.')) == NULL + || (rptr = strrchr(key_str, '.')) == NULL) + { + memcpy(tmp_ds_name, key_str, max_str_len - 1); + goto compact; + } - ++ + ds_name_len = (rptr - ptr) > max_str_len ? max_str_len : (rptr - ptr); + if((ds_name_len == 0) || strncmp(rptr + 1, "type", 4)) + { /** copy whole key **/ + memcpy(tmp_ds_name, key_str, max_str_len - 1); + } + else + {/** more than two keys **/ + memcpy(tmp_ds_name, key_str, ((rptr - key_str) > (max_str_len - 1) ? + (max_str_len - 1) : (rptr - key_str))); + } - ++ + compact: compact_ds_name(tmp_ds_name, ds_name); + return 0; + } + + /** + * while parsing ceph admin socket schema, save counter name and type for later + * data processing + */ + static int ceph_daemon_add_ds_entry(struct ceph_daemon *d, const char *name, + int pc_type) + { + uint32_t type; + char ds_name[DATA_MAX_NAME_LEN]; + memset(ds_name, 0, sizeof(ds_name)); - ++ + if(convert_special_metrics) + { + /** + * Special case for filestore:JournalWrBytes. For some reason, Ceph + * schema encodes this as a count/sum pair while all other "Bytes" data + * (excluding used/capacity bytes for OSD space) uses a single "Derive" + * type. To spare further confusion, keep this KPI as the same type of + * other "Bytes". Instead of keeping an "average" or "rate", use the + * "sum" in the pair and assign that to the derive value. + */ + if((strcmp(name,"filestore.journal_wr_bytes.type") == 0)) + { + pc_type = 10; + } + } + + d->ds_names = realloc(d->ds_names, sizeof(char *) * (d->ds_num + 1)); + if(!d->ds_names) + { + return -ENOMEM; + } + + d->ds_types = realloc(d->ds_types, sizeof(uint32_t) * (d->ds_num + 1)); + if(!d->ds_types) + { + return -ENOMEM; + } + + d->ds_names[d->ds_num] = malloc(sizeof(char) * DATA_MAX_NAME_LEN); + if(!d->ds_names[d->ds_num]) + { + return -ENOMEM; + } + + type = (pc_type & PERFCOUNTER_DERIVE) ? DSET_RATE : + ((pc_type & PERFCOUNTER_LATENCY) ? DSET_LATENCY : DSET_BYTES); + d->ds_types[d->ds_num] = type; + + if(parse_keys(name, ds_name)) + { + return 1; + } + + sstrncpy(d->ds_names[d->ds_num], ds_name, DATA_MAX_NAME_LEN -1); + d->ds_num = (d->ds_num + 1); - ++ + return 0; + } + + /******* ceph_config *******/ + static int cc_handle_str(struct oconfig_item_s *item, char *dest, int dest_len) + { + const char *val; + if(item->values_num != 1) + { + return -ENOTSUP; + } + if(item->values[0].type != OCONFIG_TYPE_STRING) + { + return -ENOTSUP; + } + val = item->values[0].value.string; + if(snprintf(dest, dest_len, "%s", val) > (dest_len - 1)) + { + ERROR("ceph plugin: configuration parameter '%s' is too long.\n", + item->key); + return -ENAMETOOLONG; + } + return 0; + } + + static int cc_handle_bool(struct oconfig_item_s *item, int *dest) + { + if(item->values_num != 1) + { + return -ENOTSUP; + } + + if(item->values[0].type != OCONFIG_TYPE_BOOLEAN) + { + return -ENOTSUP; + } + + *dest = (item->values[0].value.boolean) ? 1 : 0; + return 0; + } + + static int cc_add_daemon_config(oconfig_item_t *ci) + { + int ret, i; + struct ceph_daemon *array, *nd, cd; + memset(&cd, 0, sizeof(struct ceph_daemon)); + + if((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) + { + WARNING("ceph plugin: `Daemon' blocks need exactly one string " + "argument."); + return (-1); + } + + ret = cc_handle_str(ci, cd.name, DATA_MAX_NAME_LEN); + if(ret) + { + return ret; + } + + for(i=0; i < ci->children_num; i++) + { + oconfig_item_t *child = ci->children + i; + + if(strcasecmp("SocketPath", child->key) == 0) + { + ret = cc_handle_str(child, cd.asok_path, sizeof(cd.asok_path)); + if(ret) + { + return ret; + } + } + else + { + WARNING("ceph plugin: ignoring unknown option %s", child->key); + } + } + if(cd.name[0] == '\0') + { + ERROR("ceph plugin: you must configure a daemon name.\n"); + return -EINVAL; + } + else if(cd.asok_path[0] == '\0') + { + ERROR("ceph plugin(name=%s): you must configure an administrative " + "socket path.\n", cd.name); + return -EINVAL; + } + else if(!((cd.asok_path[0] == '/') || + (cd.asok_path[0] == '.' && cd.asok_path[1] == '/'))) + { + ERROR("ceph plugin(name=%s): administrative socket paths must begin " + "with '/' or './' Can't parse: '%s'\n", cd.name, cd.asok_path); + return -EINVAL; + } - ++ + array = realloc(g_daemons, + sizeof(struct ceph_daemon *) * (g_num_daemons + 1)); + if(array == NULL) + { + /* The positive return value here indicates that this is a + * runtime error, not a configuration error. */ + return ENOMEM; + } + g_daemons = (struct ceph_daemon**) array; + nd = malloc(sizeof(struct ceph_daemon)); + if(!nd) + { + return ENOMEM; + } + memcpy(nd, &cd, sizeof(struct ceph_daemon)); + g_daemons[g_num_daemons++] = nd; + return 0; + } + + static int ceph_config(oconfig_item_t *ci) + { + int ret, i; + + for(i = 0; i < ci->children_num; ++i) + { + oconfig_item_t *child = ci->children + i; + if(strcasecmp("Daemon", child->key) == 0) + { + ret = cc_add_daemon_config(child); + if(ret == ENOMEM) + { + ERROR("ceph plugin: Couldn't allocate memory"); + return ret; + } + else if(ret) + { + //process other daemons and ignore this one + continue; + } + } + else if(strcasecmp("LongRunAvgLatency", child->key) == 0) + { + ret = cc_handle_bool(child, &long_run_latency_avg); + if(ret) + { + return ret; + } + } + else if(strcasecmp("ConvertSpecialMetricTypes", child->key) == 0) + { + ret = cc_handle_bool(child, &convert_special_metrics); + if(ret) + { + return ret; + } + } + else + { + WARNING("ceph plugin: ignoring unknown option %s", child->key); + } + } + return 0; + } + + /** + * Parse JSON and get error message if present + */ + static int + traverse_json(const unsigned char *json, uint32_t json_len, yajl_handle hand) + { + yajl_status status = yajl_parse(hand, json, json_len); + unsigned char *msg; + + switch(status) + { + case yajl_status_error: + msg = yajl_get_error(hand, /* verbose = */ 1, + /* jsonText = */ (unsigned char *) json, + (unsigned int) json_len); + ERROR ("ceph plugin: yajl_parse failed: %s", msg); + yajl_free_error(hand, msg); + return 1; + case yajl_status_client_canceled: + return 1; + default: + return 0; + } + } + + /** + * Add entry for each counter while parsing schema + */ + static int + node_handler_define_schema(void *arg, const char *val, const char *key) + { + struct ceph_daemon *d = (struct ceph_daemon *) arg; + int pc_type; + pc_type = atoi(val); + return ceph_daemon_add_ds_entry(d, key, pc_type); + } + + /** + * Latency counter does not yet have an entry in last poll data - add it. + */ -static int add_last(struct ceph_daemon *d, const char *ds_n, double cur_sum, ++static int add_last(struct ceph_daemon *d, const char *ds_n, double cur_sum, + uint64_t cur_count) + { + d->last_poll_data[d->last_idx] = malloc(1 * sizeof(struct last_data)); + if(!d->last_poll_data[d->last_idx]) + { + return -ENOMEM; + } + sstrncpy(d->last_poll_data[d->last_idx]->ds_name,ds_n, + sizeof(d->last_poll_data[d->last_idx]->ds_name)); + d->last_poll_data[d->last_idx]->last_sum = cur_sum; + d->last_poll_data[d->last_idx]->last_count = cur_count; + d->last_idx = (d->last_idx + 1); + return 0; + } + + /** + * Update latency counter or add new entry if it doesn't exist + */ + static int update_last(struct ceph_daemon *d, const char *ds_n, int index, + double cur_sum, uint64_t cur_count) + { + if((d->last_idx > index) && (strcmp(d->last_poll_data[index]->ds_name, ds_n) == 0)) + { + d->last_poll_data[index]->last_sum = cur_sum; + d->last_poll_data[index]->last_count = cur_count; + return 0; + } + + if(!d->last_poll_data) + { + d->last_poll_data = malloc(1 * sizeof(struct last_data *)); + if(!d->last_poll_data) + { + return -ENOMEM; + } + } + else + { + struct last_data **tmp_last = realloc(d->last_poll_data, + ((d->last_idx+1) * sizeof(struct last_data *))); + if(!tmp_last) + { + return -ENOMEM; + } + d->last_poll_data = tmp_last; + } + return add_last(d, ds_n, cur_sum, cur_count); + } + + /** + * If using index guess failed (shouldn't happen, but possible if counters + * get rearranged), resort to searching for counter name + */ + static int backup_search_for_last_avg(struct ceph_daemon *d, const char *ds_n) + { + int i = 0; + for(; i < d->last_idx; i++) + { + if(strcmp(d->last_poll_data[i]->ds_name, ds_n) == 0) + { + return i; + } + } + return -1; + } + + /** + * Calculate average b/t current data and last poll data + * if last poll data exists + */ + static double get_last_avg(struct ceph_daemon *d, const char *ds_n, int index, + double cur_sum, uint64_t cur_count) + { + double result = -1.1, sum_delt = 0.0; + uint64_t count_delt = 0; + int tmp_index = 0; + if(d->last_idx > index) + { + if(strcmp(d->last_poll_data[index]->ds_name, ds_n) == 0) + { + tmp_index = index; + } + //test previous index + else if((index > 0) && (strcmp(d->last_poll_data[index-1]->ds_name, ds_n) == 0)) + { + tmp_index = (index - 1); + } + else + { + tmp_index = backup_search_for_last_avg(d, ds_n); + } + + if((tmp_index > -1) && (cur_count > d->last_poll_data[tmp_index]->last_count)) + { + sum_delt = (cur_sum - d->last_poll_data[tmp_index]->last_sum); + count_delt = (cur_count - d->last_poll_data[tmp_index]->last_count); + result = (sum_delt / count_delt); + } + } + + if(result == -1.1) + { + result = NAN; + } + if(update_last(d, ds_n, tmp_index, cur_sum, cur_count) == -ENOMEM) + { + return -ENOMEM; + } + return result; + } + + /** + * If using index guess failed, resort to searching for counter name + */ + static uint32_t backup_search_for_type(struct ceph_daemon *d, char *ds_name) + { + int idx = 0; + for(; idx < d->ds_num; idx++) + { + if(strcmp(d->ds_names[idx], ds_name) == 0) + { + return d->ds_types[idx]; + } + } + return DSET_TYPE_UNFOUND; + } + + /** + * Process counter data and dispatch values + */ + static int node_handler_fetch_data(void *arg, const char *val, const char *key) + { + value_t uv; + double tmp_d; + uint64_t tmp_u; + struct values_tmp *vtmp = (struct values_tmp*) arg; + uint32_t type = DSET_TYPE_UNFOUND; + int index = vtmp->index; + + char ds_name[DATA_MAX_NAME_LEN]; + memset(ds_name, 0, sizeof(ds_name)); + + if(parse_keys(key, ds_name)) + { + return 1; + } + + if(index >= vtmp->d->ds_num) + { + //don't overflow bounds of array + index = (vtmp->d->ds_num - 1); + } - ++ + /** + * counters should remain in same order we parsed schema... we maintain the + * index variable to keep track of current point in list of counters. first + * use index to guess point in array for retrieving type. if that doesn't + * work, use the old way to get the counter type + */ + if(strcmp(ds_name, vtmp->d->ds_names[index]) == 0) + { + //found match + type = vtmp->d->ds_types[index]; + } + else if((index > 0) && (strcmp(ds_name, vtmp->d->ds_names[index-1]) == 0)) + { + //try previous key + type = vtmp->d->ds_types[index-1]; + } + + if(type == DSET_TYPE_UNFOUND) + { + //couldn't find right type by guessing, check the old way + type = backup_search_for_type(vtmp->d, ds_name); + } + + switch(type) + { + case DSET_LATENCY: + if(vtmp->avgcount_exists == -1) + { + sscanf(val, "%" PRIu64, &vtmp->avgcount); + vtmp->avgcount_exists = 0; + //return after saving avgcount - don't dispatch value + //until latency calculation + return 0; + } + else + { + double sum, result; + sscanf(val, "%lf", &sum); + + if(vtmp->avgcount == 0) + { + vtmp->avgcount = 1; + } - ++ + /** User wants latency values as long run avg */ + if(long_run_latency_avg) + { + result = (sum / vtmp->avgcount); + } + else + { + result = get_last_avg(vtmp->d, ds_name, vtmp->latency_index, sum, vtmp->avgcount); + if(result == -ENOMEM) + { + return -ENOMEM; + } + } + + uv.gauge = result; + vtmp->avgcount_exists = -1; + vtmp->latency_index = (vtmp->latency_index + 1); + } + break; + case DSET_BYTES: + sscanf(val, "%lf", &tmp_d); + uv.gauge = tmp_d; + break; + case DSET_RATE: + sscanf(val, "%" PRIu64, &tmp_u); + uv.derive = tmp_u; + break; + case DSET_TYPE_UNFOUND: + default: + ERROR("ceph plugin: ds %s was not properly initialized.", ds_name); + return -1; + } + + sstrncpy(vtmp->vlist.type, ceph_dset_types[type], sizeof(vtmp->vlist.type)); + sstrncpy(vtmp->vlist.type_instance, ds_name, sizeof(vtmp->vlist.type_instance)); + vtmp->vlist.values = &uv; + vtmp->vlist.values_len = 1; + + vtmp->index = (vtmp->index + 1); + plugin_dispatch_values(&vtmp->vlist); + + return 0; + } + + static int cconn_connect(struct cconn *io) + { + struct sockaddr_un address; + int flags, fd, err; + if(io->state != CSTATE_UNCONNECTED) + { + ERROR("ceph plugin: cconn_connect: io->state != CSTATE_UNCONNECTED"); + return -EDOM; + } + fd = socket(PF_UNIX, SOCK_STREAM, 0); + if(fd < 0) + { + int err = -errno; + ERROR("ceph plugin: cconn_connect: socket(PF_UNIX, SOCK_STREAM, 0) " + "failed: error %d", err); + return err; + } + memset(&address, 0, sizeof(struct sockaddr_un)); + address.sun_family = AF_UNIX; + snprintf(address.sun_path, sizeof(address.sun_path), "%s", + io->d->asok_path); + RETRY_ON_EINTR(err, + connect(fd, (struct sockaddr *) &address, sizeof(struct sockaddr_un))); + if(err < 0) + { + ERROR("ceph plugin: cconn_connect: connect(%d) failed: error %d", + fd, err); + return err; + } + + flags = fcntl(fd, F_GETFL, 0); + if(fcntl(fd, F_SETFL, flags | O_NONBLOCK) != 0) + { + err = -errno; + ERROR("ceph plugin: cconn_connect: fcntl(%d, O_NONBLOCK) error %d", + fd, err); + return err; + } + io->asok = fd; + io->state = CSTATE_WRITE_REQUEST; + io->amt = 0; + io->json_len = 0; + io->json = NULL; + return 0; + } + + static void cconn_close(struct cconn *io) + { + io->state = CSTATE_UNCONNECTED; + if(io->asok != -1) + { + int res; + RETRY_ON_EINTR(res, close(io->asok)); + } + io->asok = -1; + io->amt = 0; + io->json_len = 0; + sfree(io->json); + io->json = NULL; + } + + /* Process incoming JSON counter data */ + static int + cconn_process_data(struct cconn *io, yajl_struct *yajl, yajl_handle hand) + { + int ret; + struct values_tmp *vtmp = calloc(1, sizeof(struct values_tmp) * 1); + if(!vtmp) + { + return -ENOMEM; + } + + vtmp->vlist = (value_list_t)VALUE_LIST_INIT; + sstrncpy(vtmp->vlist.host, hostname_g, sizeof(vtmp->vlist.host)); + sstrncpy(vtmp->vlist.plugin, "ceph", sizeof(vtmp->vlist.plugin)); + sstrncpy(vtmp->vlist.plugin_instance, io->d->name, sizeof(vtmp->vlist.plugin_instance)); + + vtmp->d = io->d; + vtmp->avgcount_exists = -1; + vtmp->latency_index = 0; + vtmp->index = 0; + yajl->handler_arg = vtmp; + ret = traverse_json(io->json, io->json_len, hand); + sfree(vtmp); + return ret; + } + + /** + * Initiate JSON parsing and print error if one occurs + */ + static int cconn_process_json(struct cconn *io) + { + if((io->request_type != ASOK_REQ_DATA) && + (io->request_type != ASOK_REQ_SCHEMA)) + { + return -EDOM; + } + + int result = 1; + yajl_handle hand; + yajl_status status; + + hand = yajl_alloc(&callbacks, + #if HAVE_YAJL_V2 + /* alloc funcs = */ NULL, + #else + /* alloc funcs = */ NULL, NULL, + #endif + /* context = */ (void *)(&io->yajl)); + + if(!hand) + { + ERROR ("ceph plugin: yajl_alloc failed."); + return ENOMEM; + } + + io->yajl.depth = 0; + + switch(io->request_type) + { + case ASOK_REQ_DATA: + io->yajl.handler = node_handler_fetch_data; + result = cconn_process_data(io, &io->yajl, hand); + break; + case ASOK_REQ_SCHEMA: + //init daemon specific variables + io->d->ds_num = 0; + io->d->last_idx = 0; + io->d->last_poll_data = NULL; + io->yajl.handler = node_handler_define_schema; + io->yajl.handler_arg = io->d; + result = traverse_json(io->json, io->json_len, hand); + break; + } + + if(result) + { + goto done; + } + + #if HAVE_YAJL_V2 + status = yajl_complete_parse(hand); + #else + status = yajl_parse_complete(hand); + #endif + + if (status != yajl_status_ok) + { + unsigned char *errmsg = yajl_get_error (hand, /* verbose = */ 0, + /* jsonText = */ NULL, /* jsonTextLen = */ 0); + ERROR ("ceph plugin: yajl_parse_complete failed: %s", + (char *) errmsg); + yajl_free_error (hand, errmsg); + yajl_free (hand); + return 1; + } + + done: + yajl_free (hand); + return result; + } + + static int cconn_validate_revents(struct cconn *io, int revents) + { + if(revents & POLLERR) + { + ERROR("ceph plugin: cconn_validate_revents(name=%s): got POLLERR", + io->d->name); + return -EIO; + } + switch (io->state) + { + case CSTATE_WRITE_REQUEST: + return (revents & POLLOUT) ? 0 : -EINVAL; + case CSTATE_READ_VERSION: + case CSTATE_READ_AMT: + case CSTATE_READ_JSON: + return (revents & POLLIN) ? 0 : -EINVAL; + default: + ERROR("ceph plugin: cconn_validate_revents(name=%s) got to " + "illegal state on line %d", io->d->name, __LINE__); + return -EDOM; + } + } + + /** Handle a network event for a connection */ + static int cconn_handle_event(struct cconn *io) + { + int ret; + switch (io->state) + { + case CSTATE_UNCONNECTED: + ERROR("ceph plugin: cconn_handle_event(name=%s) got to illegal " + "state on line %d", io->d->name, __LINE__); + + return -EDOM; + case CSTATE_WRITE_REQUEST: + { + char cmd[32]; + snprintf(cmd, sizeof(cmd), "%s%d%s", "{ \"prefix\": \"", + io->request_type, "\" }\n"); + size_t cmd_len = strlen(cmd); + RETRY_ON_EINTR(ret, + write(io->asok, ((char*)&cmd) + io->amt, cmd_len - io->amt)); + DEBUG("ceph plugin: cconn_handle_event(name=%s,state=%d,amt=%d,ret=%d)", + io->d->name, io->state, io->amt, ret); + if(ret < 0) + { + return ret; + } + io->amt += ret; + if(io->amt >= cmd_len) + { + io->amt = 0; + switch (io->request_type) + { + case ASOK_REQ_VERSION: + io->state = CSTATE_READ_VERSION; + break; + default: + io->state = CSTATE_READ_AMT; + break; + } + } + return 0; + } + case CSTATE_READ_VERSION: + { + RETRY_ON_EINTR(ret, + read(io->asok, ((char*)(&io->d->version)) + io->amt, + sizeof(io->d->version) - io->amt)); + DEBUG("ceph plugin: cconn_handle_event(name=%s,state=%d,ret=%d)", + io->d->name, io->state, ret); + if(ret < 0) + { + return ret; + } + io->amt += ret; + if(io->amt >= sizeof(io->d->version)) + { + io->d->version = ntohl(io->d->version); + if(io->d->version != 1) + { + ERROR("ceph plugin: cconn_handle_event(name=%s) not " + "expecting version %d!", io->d->name, io->d->version); + return -ENOTSUP; + } + DEBUG("ceph plugin: cconn_handle_event(name=%s): identified as " + "version %d", io->d->name, io->d->version); + io->amt = 0; + cconn_close(io); + io->request_type = ASOK_REQ_SCHEMA; + } + return 0; + } + case CSTATE_READ_AMT: + { + RETRY_ON_EINTR(ret, + read(io->asok, ((char*)(&io->json_len)) + io->amt, + sizeof(io->json_len) - io->amt)); + DEBUG("ceph plugin: cconn_handle_event(name=%s,state=%d,ret=%d)", + io->d->name, io->state, ret); + if(ret < 0) + { + return ret; + } + io->amt += ret; + if(io->amt >= sizeof(io->json_len)) + { + io->json_len = ntohl(io->json_len); + io->amt = 0; + io->state = CSTATE_READ_JSON; + io->json = calloc(1, io->json_len + 1); + if(!io->json) + { + ERROR("ceph plugin: error callocing io->json"); + return -ENOMEM; + } + } + return 0; + } + case CSTATE_READ_JSON: + { + RETRY_ON_EINTR(ret, + read(io->asok, io->json + io->amt, io->json_len - io->amt)); + DEBUG("ceph plugin: cconn_handle_event(name=%s,state=%d,ret=%d)", + io->d->name, io->state, ret); + if(ret < 0) + { + return ret; + } + io->amt += ret; + if(io->amt >= io->json_len) + { + ret = cconn_process_json(io); + if(ret) + { + return ret; + } + cconn_close(io); + io->request_type = ASOK_REQ_NONE; + } + return 0; + } + default: + ERROR("ceph plugin: cconn_handle_event(name=%s) got to illegal " + "state on line %d", io->d->name, __LINE__); + return -EDOM; + } + } + + static int cconn_prepare(struct cconn *io, struct pollfd* fds) + { + int ret; + if(io->request_type == ASOK_REQ_NONE) + { + /* The request has already been serviced. */ + return 0; + } + else if((io->request_type == ASOK_REQ_DATA) && (io->d->ds_num == 0)) + { + /* If there are no counters to report on, don't bother + * connecting */ + return 0; + } + + switch (io->state) + { + case CSTATE_UNCONNECTED: + ret = cconn_connect(io); + if(ret > 0) + { + return -ret; + } + else if(ret < 0) + { + return ret; + } + fds->fd = io->asok; + fds->events = POLLOUT; + return 1; + case CSTATE_WRITE_REQUEST: + fds->fd = io->asok; + fds->events = POLLOUT; + return 1; + case CSTATE_READ_VERSION: + case CSTATE_READ_AMT: + case CSTATE_READ_JSON: + fds->fd = io->asok; + fds->events = POLLIN; + return 1; + default: + ERROR("ceph plugin: cconn_prepare(name=%s) got to illegal state " + "on line %d", io->d->name, __LINE__); + return -EDOM; + } + } + + /** Returns the difference between two struct timevals in milliseconds. + * On overflow, we return max/min int. + */ + static int milli_diff(const struct timeval *t1, const struct timeval *t2) + { + int64_t ret; + int sec_diff = t1->tv_sec - t2->tv_sec; + int usec_diff = t1->tv_usec - t2->tv_usec; + ret = usec_diff / 1000; + ret += (sec_diff * 1000); + return (ret > INT_MAX) ? INT_MAX : ((ret < INT_MIN) ? INT_MIN : (int)ret); + } + + /** This handles the actual network I/O to talk to the Ceph daemons. + */ + static int cconn_main_loop(uint32_t request_type) + { + int i, ret, some_unreachable = 0; + struct timeval end_tv; + struct cconn io_array[g_num_daemons]; + + DEBUG("ceph plugin: entering cconn_main_loop(request_type = %d)", request_type); + + /* create cconn array */ + memset(io_array, 0, sizeof(io_array)); + for(i = 0; i < g_num_daemons; ++i) + { + io_array[i].d = g_daemons[i]; + io_array[i].request_type = request_type; + io_array[i].state = CSTATE_UNCONNECTED; + } + + /** Calculate the time at which we should give up */ + gettimeofday(&end_tv, NULL); + end_tv.tv_sec += CEPH_TIMEOUT_INTERVAL; + + while (1) + { + int nfds, diff; + struct timeval tv; + struct cconn *polled_io_array[g_num_daemons]; + struct pollfd fds[g_num_daemons]; + memset(fds, 0, sizeof(fds)); + nfds = 0; + for(i = 0; i < g_num_daemons; ++i) + { + struct cconn *io = io_array + i; + ret = cconn_prepare(io, fds + nfds); + if(ret < 0) + { + WARNING("ceph plugin: cconn_prepare(name=%s,i=%d,st=%d)=%d", + io->d->name, i, io->state, ret); + cconn_close(io); + io->request_type = ASOK_REQ_NONE; + some_unreachable = 1; + } + else if(ret == 1) + { + polled_io_array[nfds++] = io_array + i; + } + } + if(nfds == 0) + { + /* finished */ + ret = 0; + goto done; + } + gettimeofday(&tv, NULL); + diff = milli_diff(&end_tv, &tv); + if(diff <= 0) + { + /* Timed out */ + ret = -ETIMEDOUT; + WARNING("ceph plugin: cconn_main_loop: timed out."); + goto done; + } + RETRY_ON_EINTR(ret, poll(fds, nfds, diff)); + if(ret < 0) + { + ERROR("ceph plugin: poll(2) error: %d", ret); + goto done; + } + for(i = 0; i < nfds; ++i) + { + struct cconn *io = polled_io_array[i]; + int revents = fds[i].revents; + if(revents == 0) + { + /* do nothing */ + } + else if(cconn_validate_revents(io, revents)) + { + WARNING("ceph plugin: cconn(name=%s,i=%d,st=%d): " + "revents validation error: " + "revents=0x%08x", io->d->name, i, io->state, revents); + cconn_close(io); + io->request_type = ASOK_REQ_NONE; + some_unreachable = 1; + } + else + { + int ret = cconn_handle_event(io); + if(ret) + { + WARNING("ceph plugin: cconn_handle_event(name=%s," + "i=%d,st=%d): error %d", io->d->name, i, io->state, ret); + cconn_close(io); + io->request_type = ASOK_REQ_NONE; + some_unreachable = 1; + } + } + } + } + done: for(i = 0; i < g_num_daemons; ++i) + { + cconn_close(io_array + i); + } + if(some_unreachable) + { + DEBUG("ceph plugin: cconn_main_loop: some Ceph daemons were unreachable."); + } + else + { + DEBUG("ceph plugin: cconn_main_loop: reached all Ceph daemons :)"); + } + return ret; + } + + static int ceph_read(void) + { + return cconn_main_loop(ASOK_REQ_DATA); + } + + /******* lifecycle *******/ + static int ceph_init(void) + { + int ret; + ceph_daemons_print(); + + ret = cconn_main_loop(ASOK_REQ_VERSION); + + return (ret) ? ret : 0; + } + + static int ceph_shutdown(void) + { + int i; + for(i = 0; i < g_num_daemons; ++i) + { + ceph_daemon_free(g_daemons[i]); + } + sfree(g_daemons); + g_daemons = NULL; + g_num_daemons = 0; + DEBUG("ceph plugin: finished ceph_shutdown"); + return 0; + } + + void module_register(void) + { + plugin_register_complex_config("ceph", ceph_config); + plugin_register_init("ceph", ceph_init); + plugin_register_read("ceph", ceph_read); + plugin_register_shutdown("ceph", ceph_shutdown); + } diff --cc src/collectd.conf.in index 34cd24f8,3584b2c1..3d9028dc --- a/src/collectd.conf.in +++ b/src/collectd.conf.in @@@ -95,9 -81,9 +95,10 @@@ #@BUILD_PLUGIN_APPLE_SENSORS_TRUE@LoadPlugin apple_sensors #@BUILD_PLUGIN_AQUAERO_TRUE@LoadPlugin aquaero #@BUILD_PLUGIN_ASCENT_TRUE@LoadPlugin ascent +#@BUILD_PLUGIN_BAROMETER_TRUE@LoadPlugin barometer #@BUILD_PLUGIN_BATTERY_TRUE@LoadPlugin battery #@BUILD_PLUGIN_BIND_TRUE@LoadPlugin bind + #@BUILD_PLUGIN_CEPH_TRUE@LoadPlugin ceph #@BUILD_PLUGIN_CONNTRACK_TRUE@LoadPlugin conntrack #@BUILD_PLUGIN_CONTEXTSWITCH_TRUE@LoadPlugin contextswitch #@BUILD_PLUGIN_CGROUPS_TRUE@LoadPlugin cgroups @@@ -309,7 -273,25 +310,24 @@@ # # + # + # LongRunAvgLatency false + # ConvertSpecialMetricTypes true + # + # SocketPath "/var/run/ceph/ceph-osd.0.asok" + # + # + # SocketPath "/var/run/ceph/ceph-osd.1.asok" + # + # + # SocketPath "/var/run/ceph/ceph-mon.ceph1.asok" + # + # + # SocketPath "/var/run/ceph/ceph-mds.ceph1.asok" + # + # + - -# +# # CGroup "libvirt" # IgnoreSelected false # diff --cc src/collectd.conf.pod index 2ee22197,3bb69f65..905689dc --- a/src/collectd.conf.pod +++ b/src/collectd.conf.pod @@@ -1169,6 -950,74 +1169,74 @@@ By default no detailed zone informatio =back + =head2 Plugin C + -The ceph plugin collects values from JSON data to be parsed by B ++The ceph plugin collects values from JSON data to be parsed by B + (L) retrieved from ceph daemon admin sockets. + -A separate B block must be configured for each ceph daemon to be -monitored. The following example will read daemon statistics from four ++A separate B block must be configured for each ceph daemon to be ++monitored. The following example will read daemon statistics from four + separate ceph daemons running on the same device (two OSDs, one MON, one MDS) : + + + LongRunAvgLatency false + ConvertSpecialMetricTypes true + + SocketPath "/var/run/ceph/ceph-osd.0.asok" + + + SocketPath "/var/run/ceph/ceph-osd.1.asok" + + + SocketPath "/var/run/ceph/ceph-mon.ceph1.asok" + + + SocketPath "/var/run/ceph/ceph-mds.ceph1.asok" + + + + The ceph plugin accepts the following configuration options: + + =over 4 + + =item B B|B + -If enabled, latency values(sum,count pairs) are calculated as the long run ++If enabled, latency values(sum,count pairs) are calculated as the long run + average - average since the ceph daemon was started = (sum / count). -When disabled, latency values are calculated as the average since the last ++When disabled, latency values are calculated as the average since the last + collection = (sum_now - sum_last) / (count_now - count_last). + + Default: Disabled + + =item B B|B + + If enabled, special metrics (metrics that differ in type from similar counters) -are converted to the type of those similar counters. This currently only -applies to filestore.journal_wr_bytes which is a counter for OSD daemons. The ++are converted to the type of those similar counters. This currently only ++applies to filestore.journal_wr_bytes which is a counter for OSD daemons. The + ceph schema reports this metric type as a sum,count pair while similar counters -are treated as derive types. When converted, the sum is used as the counter ++are treated as derive types. When converted, the sum is used as the counter + value and is treated as a derive type. + When disabled, all metrics are treated as the types received from the ceph schema. + + Default: Enabled + + =back + + Each B block must have a string argument for the plugin instance name. + A B is also required for each B block: + + =over 4 + + =item B I + + Name to be used as the instance name for this daemon. + + =item B I + + Specifies the path to the UNIX admin socket of the ceph daemon. + + =back + =head2 Plugin C This plugin collects the CPU user/system time for each I by reading the diff --cc src/types.db index a454a2b5,d1b071c6..be1df7f8 --- a/src/types.db +++ b/src/types.db @@@ -15,7 -14,9 +15,10 @@@ cache_operation value:DERIVE:0: cache_ratio value:GAUGE:0:100 cache_result value:DERIVE:0:U cache_size value:GAUGE:0:U -ceph_bytes value:GAUGE:U:U -ceph_latency value:GAUGE:U:U -ceph_rate value:DERIVE:0:U ++ceph_bytes value:GAUGE:U:U ++ceph_latency value:GAUGE:U:U ++ceph_rate value:DERIVE:0:U +changes_since_last_save value:GAUGE:0:U charge value:GAUGE:0:U compression_ratio value:GAUGE:0:2 compression uncompressed:DERIVE:0:U, compressed:DERIVE:0:U