diff options
Diffstat (limited to 'src/collectors/plugins.d/pluginsd_replication.c')
| -rw-r--r-- | src/collectors/plugins.d/pluginsd_replication.c | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/src/collectors/plugins.d/pluginsd_replication.c b/src/collectors/plugins.d/pluginsd_replication.c new file mode 100644 index 000000000..8d0975210 --- /dev/null +++ b/src/collectors/plugins.d/pluginsd_replication.c @@ -0,0 +1,371 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "pluginsd_replication.h" + +PARSER_RC pluginsd_replay_begin(char **words, size_t num_words, PARSER *parser) { + int idx = 1; + ssize_t slot = pluginsd_parse_rrd_slot(words, num_words); + if(slot >= 0) idx++; + + char *id = get_word(words, num_words, idx++); + char *start_time_str = get_word(words, num_words, idx++); + char *end_time_str = get_word(words, num_words, idx++); + char *child_now_str = get_word(words, num_words, idx++); + + RRDHOST *host = pluginsd_require_scope_host(parser, PLUGINSD_KEYWORD_REPLAY_BEGIN); + if(!host) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + RRDSET *st; + if (likely(!id || !*id)) + st = pluginsd_require_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_BEGIN, PLUGINSD_KEYWORD_REPLAY_BEGIN); + else + st = pluginsd_rrdset_cache_get_from_slot(parser, host, id, slot, PLUGINSD_KEYWORD_REPLAY_BEGIN); + + if(!st) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + if(!pluginsd_set_scope_chart(parser, st, PLUGINSD_KEYWORD_REPLAY_BEGIN)) + return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + if(start_time_str && end_time_str) { + time_t start_time = (time_t) str2ull_encoded(start_time_str); + time_t end_time = (time_t) str2ull_encoded(end_time_str); + + time_t wall_clock_time = 0, tolerance; + bool wall_clock_comes_from_child; (void)wall_clock_comes_from_child; + if(child_now_str) { + wall_clock_time = (time_t) str2ull_encoded(child_now_str); + tolerance = st->update_every + 1; + wall_clock_comes_from_child = true; + } + + if(wall_clock_time <= 0) { + wall_clock_time = now_realtime_sec(); + tolerance = st->update_every + 5; + wall_clock_comes_from_child = false; + } + +#ifdef NETDATA_LOG_REPLICATION_REQUESTS + internal_error( + (!st->replay.start_streaming && (end_time < st->replay.after || start_time > st->replay.before)), + "REPLAY ERROR: 'host:%s/chart:%s' got a " PLUGINSD_KEYWORD_REPLAY_BEGIN " from %ld to %ld, which does not match our request (%ld to %ld).", + rrdhost_hostname(st->rrdhost), rrdset_id(st), start_time, end_time, st->replay.after, st->replay.before); + + internal_error( + true, + "REPLAY: 'host:%s/chart:%s' got a " PLUGINSD_KEYWORD_REPLAY_BEGIN " from %ld to %ld, child wall clock is %ld (%s), had requested %ld to %ld", + rrdhost_hostname(st->rrdhost), rrdset_id(st), + start_time, end_time, wall_clock_time, wall_clock_comes_from_child ? "from child" : "parent time", + st->replay.after, st->replay.before); +#endif + + if(start_time && end_time && start_time < wall_clock_time + tolerance && end_time < wall_clock_time + tolerance && start_time < end_time) { + if (unlikely(end_time - start_time != st->update_every)) + rrdset_set_update_every_s(st, end_time - start_time); + + st->last_collected_time.tv_sec = end_time; + st->last_collected_time.tv_usec = 0; + + st->last_updated.tv_sec = end_time; + st->last_updated.tv_usec = 0; + + st->counter++; + st->counter_done++; + + // these are only needed for db mode RAM, ALLOC + st->db.current_entry++; + if(st->db.current_entry >= st->db.entries) + st->db.current_entry -= st->db.entries; + + parser->user.replay.start_time = start_time; + parser->user.replay.end_time = end_time; + parser->user.replay.start_time_ut = (usec_t) start_time * USEC_PER_SEC; + parser->user.replay.end_time_ut = (usec_t) end_time * USEC_PER_SEC; + parser->user.replay.wall_clock_time = wall_clock_time; + parser->user.replay.rset_enabled = true; + + return PARSER_RC_OK; + } + + netdata_log_error("PLUGINSD REPLAY ERROR: 'host:%s/chart:%s' got a " PLUGINSD_KEYWORD_REPLAY_BEGIN + " from %ld to %ld, but timestamps are invalid " + "(now is %ld [%s], tolerance %ld). Ignoring " PLUGINSD_KEYWORD_REPLAY_SET, + rrdhost_hostname(st->rrdhost), rrdset_id(st), start_time, end_time, + wall_clock_time, wall_clock_comes_from_child ? "child wall clock" : "parent wall clock", + tolerance); + } + + // the child sends an RBEGIN without any parameters initially + // setting rset_enabled to false, means the RSET should not store any metrics + // to store metrics, the RBEGIN needs to have timestamps + parser->user.replay.start_time = 0; + parser->user.replay.end_time = 0; + parser->user.replay.start_time_ut = 0; + parser->user.replay.end_time_ut = 0; + parser->user.replay.wall_clock_time = 0; + parser->user.replay.rset_enabled = false; + return PARSER_RC_OK; +} + +PARSER_RC pluginsd_replay_set(char **words, size_t num_words, PARSER *parser) { + int idx = 1; + ssize_t slot = pluginsd_parse_rrd_slot(words, num_words); + if(slot >= 0) idx++; + + char *dimension = get_word(words, num_words, idx++); + char *value_str = get_word(words, num_words, idx++); + char *flags_str = get_word(words, num_words, idx++); + + RRDHOST *host = pluginsd_require_scope_host(parser, PLUGINSD_KEYWORD_REPLAY_SET); + if(!host) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + RRDSET *st = pluginsd_require_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_SET, PLUGINSD_KEYWORD_REPLAY_BEGIN); + if(!st) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + if(!parser->user.replay.rset_enabled) { + nd_log_limit_static_thread_var(erl, 1, 0); + nd_log_limit(&erl, NDLS_COLLECTORS, NDLP_ERR, + "PLUGINSD: 'host:%s/chart:%s' got a %s but it is disabled by %s errors", + rrdhost_hostname(host), rrdset_id(st), PLUGINSD_KEYWORD_REPLAY_SET, PLUGINSD_KEYWORD_REPLAY_BEGIN); + + // we have to return OK here + return PARSER_RC_OK; + } + + RRDDIM *rd = pluginsd_acquire_dimension(host, st, dimension, slot, PLUGINSD_KEYWORD_REPLAY_SET); + if(!rd) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + st->pluginsd.set = true; + + if (unlikely(!parser->user.replay.start_time || !parser->user.replay.end_time)) { + netdata_log_error("PLUGINSD: 'host:%s/chart:%s/dim:%s' got a %s with invalid timestamps %ld to %ld from a %s. Disabling it.", + rrdhost_hostname(host), + rrdset_id(st), + dimension, + PLUGINSD_KEYWORD_REPLAY_SET, + parser->user.replay.start_time, + parser->user.replay.end_time, + PLUGINSD_KEYWORD_REPLAY_BEGIN); + return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + } + + if (unlikely(!value_str || !*value_str)) + value_str = "NAN"; + + if(unlikely(!flags_str)) + flags_str = ""; + + if (likely(value_str)) { + RRDDIM_FLAGS rd_flags = rrddim_flag_check(rd, RRDDIM_FLAG_OBSOLETE | RRDDIM_FLAG_ARCHIVED); + + if(!(rd_flags & RRDDIM_FLAG_ARCHIVED)) { + NETDATA_DOUBLE value = str2ndd_encoded(value_str, NULL); + SN_FLAGS flags = pluginsd_parse_storage_number_flags(flags_str); + + if (!netdata_double_isnumber(value) || (flags == SN_EMPTY_SLOT)) { + value = NAN; + flags = SN_EMPTY_SLOT; + } + + rrddim_store_metric(rd, parser->user.replay.end_time_ut, value, flags); + rd->collector.last_collected_time.tv_sec = parser->user.replay.end_time; + rd->collector.last_collected_time.tv_usec = 0; + rd->collector.counter++; + } + else { + nd_log_limit_static_global_var(erl, 1, 0); + nd_log_limit(&erl, NDLS_COLLECTORS, NDLP_WARNING, + "PLUGINSD: 'host:%s/chart:%s/dim:%s' has the ARCHIVED flag set, but it is replicated. " + "Ignoring data.", + rrdhost_hostname(st->rrdhost), rrdset_id(st), rrddim_name(rd)); + } + } + + return PARSER_RC_OK; +} + +PARSER_RC pluginsd_replay_rrddim_collection_state(char **words, size_t num_words, PARSER *parser) { + if(parser->user.replay.rset_enabled == false) + return PARSER_RC_OK; + + int idx = 1; + ssize_t slot = pluginsd_parse_rrd_slot(words, num_words); + if(slot >= 0) idx++; + + char *dimension = get_word(words, num_words, idx++); + char *last_collected_ut_str = get_word(words, num_words, idx++); + char *last_collected_value_str = get_word(words, num_words, idx++); + char *last_calculated_value_str = get_word(words, num_words, idx++); + char *last_stored_value_str = get_word(words, num_words, idx++); + + RRDHOST *host = pluginsd_require_scope_host(parser, PLUGINSD_KEYWORD_REPLAY_RRDDIM_STATE); + if(!host) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + RRDSET *st = pluginsd_require_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_RRDDIM_STATE, PLUGINSD_KEYWORD_REPLAY_BEGIN); + if(!st) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + if(st->pluginsd.set) { + // reset pos to reuse the same RDAs + st->pluginsd.pos = 0; + st->pluginsd.set = false; + } + + RRDDIM *rd = pluginsd_acquire_dimension(host, st, dimension, slot, PLUGINSD_KEYWORD_REPLAY_RRDDIM_STATE); + if(!rd) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + usec_t dim_last_collected_ut = (usec_t)rd->collector.last_collected_time.tv_sec * USEC_PER_SEC + (usec_t)rd->collector.last_collected_time.tv_usec; + usec_t last_collected_ut = last_collected_ut_str ? str2ull_encoded(last_collected_ut_str) : 0; + if(last_collected_ut > dim_last_collected_ut) { + rd->collector.last_collected_time.tv_sec = (time_t)(last_collected_ut / USEC_PER_SEC); + rd->collector.last_collected_time.tv_usec = (last_collected_ut % USEC_PER_SEC); + } + + rd->collector.last_collected_value = last_collected_value_str ? str2ll_encoded(last_collected_value_str) : 0; + rd->collector.last_calculated_value = last_calculated_value_str ? str2ndd_encoded(last_calculated_value_str, NULL) : 0; + rd->collector.last_stored_value = last_stored_value_str ? str2ndd_encoded(last_stored_value_str, NULL) : 0.0; + + return PARSER_RC_OK; +} + +PARSER_RC pluginsd_replay_rrdset_collection_state(char **words, size_t num_words, PARSER *parser) { + if(parser->user.replay.rset_enabled == false) + return PARSER_RC_OK; + + char *last_collected_ut_str = get_word(words, num_words, 1); + char *last_updated_ut_str = get_word(words, num_words, 2); + + RRDHOST *host = pluginsd_require_scope_host(parser, PLUGINSD_KEYWORD_REPLAY_RRDSET_STATE); + if(!host) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + RRDSET *st = pluginsd_require_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_RRDSET_STATE, + PLUGINSD_KEYWORD_REPLAY_BEGIN); + if(!st) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + usec_t chart_last_collected_ut = (usec_t)st->last_collected_time.tv_sec * USEC_PER_SEC + (usec_t)st->last_collected_time.tv_usec; + usec_t last_collected_ut = last_collected_ut_str ? str2ull_encoded(last_collected_ut_str) : 0; + if(last_collected_ut > chart_last_collected_ut) { + st->last_collected_time.tv_sec = (time_t)(last_collected_ut / USEC_PER_SEC); + st->last_collected_time.tv_usec = (last_collected_ut % USEC_PER_SEC); + } + + usec_t chart_last_updated_ut = (usec_t)st->last_updated.tv_sec * USEC_PER_SEC + (usec_t)st->last_updated.tv_usec; + usec_t last_updated_ut = last_updated_ut_str ? str2ull_encoded(last_updated_ut_str) : 0; + if(last_updated_ut > chart_last_updated_ut) { + st->last_updated.tv_sec = (time_t)(last_updated_ut / USEC_PER_SEC); + st->last_updated.tv_usec = (last_updated_ut % USEC_PER_SEC); + } + + st->counter++; + st->counter_done++; + + return PARSER_RC_OK; +} + +PARSER_RC pluginsd_replay_end(char **words, size_t num_words, PARSER *parser) { + if (num_words < 7) { // accepts 7, but the 7th is optional + netdata_log_error("REPLAY: malformed " PLUGINSD_KEYWORD_REPLAY_END " command"); + return PARSER_RC_ERROR; + } + + const char *update_every_child_txt = get_word(words, num_words, 1); + const char *first_entry_child_txt = get_word(words, num_words, 2); + const char *last_entry_child_txt = get_word(words, num_words, 3); + const char *start_streaming_txt = get_word(words, num_words, 4); + const char *first_entry_requested_txt = get_word(words, num_words, 5); + const char *last_entry_requested_txt = get_word(words, num_words, 6); + const char *child_world_time_txt = get_word(words, num_words, 7); // optional + + time_t update_every_child = (time_t) str2ull_encoded(update_every_child_txt); + time_t first_entry_child = (time_t) str2ull_encoded(first_entry_child_txt); + time_t last_entry_child = (time_t) str2ull_encoded(last_entry_child_txt); + + bool start_streaming = (strcmp(start_streaming_txt, "true") == 0); + time_t first_entry_requested = (time_t) str2ull_encoded(first_entry_requested_txt); + time_t last_entry_requested = (time_t) str2ull_encoded(last_entry_requested_txt); + + // the optional child world time + time_t child_world_time = (child_world_time_txt && *child_world_time_txt) ? (time_t) str2ull_encoded( + child_world_time_txt) : now_realtime_sec(); + + RRDHOST *host = pluginsd_require_scope_host(parser, PLUGINSD_KEYWORD_REPLAY_END); + if(!host) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + + RRDSET *st = pluginsd_require_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_END, PLUGINSD_KEYWORD_REPLAY_BEGIN); + if(!st) return PLUGINSD_DISABLE_PLUGIN(parser, NULL, NULL); + +#ifdef NETDATA_LOG_REPLICATION_REQUESTS + internal_error(true, + "PLUGINSD REPLAY: 'host:%s/chart:%s': got a " PLUGINSD_KEYWORD_REPLAY_END " child db from %llu to %llu, start_streaming %s, had requested from %llu to %llu, wall clock %llu", + rrdhost_hostname(host), rrdset_id(st), + (unsigned long long)first_entry_child, (unsigned long long)last_entry_child, + start_streaming?"true":"false", + (unsigned long long)first_entry_requested, (unsigned long long)last_entry_requested, + (unsigned long long)child_world_time + ); +#endif + + parser->user.data_collections_count++; + + if(parser->user.replay.rset_enabled && st->rrdhost->receiver) { + time_t now = now_realtime_sec(); + time_t started = st->rrdhost->receiver->replication_first_time_t; + time_t current = parser->user.replay.end_time; + + if(started && current > started) { + host->rrdpush_receiver_replication_percent = (NETDATA_DOUBLE) (current - started) * 100.0 / (NETDATA_DOUBLE) (now - started); + worker_set_metric(WORKER_RECEIVER_JOB_REPLICATION_COMPLETION, + host->rrdpush_receiver_replication_percent); + } + } + + parser->user.replay.start_time = 0; + parser->user.replay.end_time = 0; + parser->user.replay.start_time_ut = 0; + parser->user.replay.end_time_ut = 0; + parser->user.replay.wall_clock_time = 0; + parser->user.replay.rset_enabled = false; + + st->counter++; + st->counter_done++; + store_metric_collection_completed(); + +#ifdef NETDATA_LOG_REPLICATION_REQUESTS + st->replay.start_streaming = false; + st->replay.after = 0; + st->replay.before = 0; + if(start_streaming) + st->replay.log_next_data_collection = true; +#endif + + if (start_streaming) { + if (st->update_every != update_every_child) + rrdset_set_update_every_s(st, update_every_child); + + if(rrdset_flag_check(st, RRDSET_FLAG_RECEIVER_REPLICATION_IN_PROGRESS)) { + rrdset_flag_set(st, RRDSET_FLAG_RECEIVER_REPLICATION_FINISHED); + rrdset_flag_clear(st, RRDSET_FLAG_RECEIVER_REPLICATION_IN_PROGRESS); + rrdset_flag_clear(st, RRDSET_FLAG_SYNC_CLOCK); + rrdhost_receiver_replicating_charts_minus_one(st->rrdhost); + } +#ifdef NETDATA_LOG_REPLICATION_REQUESTS + else + internal_error(true, "REPLAY ERROR: 'host:%s/chart:%s' got a " PLUGINSD_KEYWORD_REPLAY_END " with enable_streaming = true, but there is no replication in progress for this chart.", + rrdhost_hostname(host), rrdset_id(st)); +#endif + + pluginsd_clear_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_END); + + host->rrdpush_receiver_replication_percent = 100.0; + worker_set_metric(WORKER_RECEIVER_JOB_REPLICATION_COMPLETION, host->rrdpush_receiver_replication_percent); + + return PARSER_RC_OK; + } + + pluginsd_clear_scope_chart(parser, PLUGINSD_KEYWORD_REPLAY_END); + + rrdcontext_updated_retention_rrdset(st); + + bool ok = replicate_chart_request(send_to_plugin, parser, host, st, + first_entry_child, last_entry_child, child_world_time, + first_entry_requested, last_entry_requested); + return ok ? PARSER_RC_OK : PARSER_RC_ERROR; +} |