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netdata/database/sqlite/sqlite_aclk_chart.c

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// SPDX-License-Identifier: GPL-3.0-or-later
#include "sqlite_functions.h"
#include "sqlite_aclk_chart.h"
#ifdef ENABLE_ACLK
#include "../../aclk/aclk_charts_api.h"
#include "../../aclk/aclk.h"
static inline int
sql_queue_chart_payload(struct aclk_database_worker_config *wc, void *data, enum aclk_database_opcode opcode)
{
int rc;
if (unlikely(!wc))
return 1;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = opcode;
cmd.data = data;
rc = aclk_database_enq_cmd_noblock(wc, &cmd);
return rc;
}
static time_t payload_sent(char *uuid_str, uuid_t *uuid, void *payload, size_t payload_size)
{
static __thread sqlite3_stmt *res = NULL;
int rc;
time_t send_status = 0;
if (unlikely(!res)) {
char sql[ACLK_SYNC_QUERY_SIZE];
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1, "SELECT acl.date_submitted FROM aclk_chart_latest_%s acl, aclk_chart_payload_%s acp "
"WHERE acl.unique_id = acp.unique_id AND acl.uuid = @uuid AND acp.payload = @payload;",
uuid_str, uuid_str);
rc = prepare_statement(db_meta, sql, &res);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to check payload data on %s", sql);
return 0;
}
}
rc = sqlite3_bind_blob(res, 1, uuid, sizeof(*uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res, 2, payload, payload_size, SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
while (sqlite3_step_monitored(res) == SQLITE_ROW) {
send_status = (time_t) sqlite3_column_int64(res, 0);
}
bind_fail:
if (unlikely(sqlite3_reset(res) != SQLITE_OK))
error_report("Failed to reset statement in check payload, rc = %d", rc);
return send_status;
}
static int aclk_add_chart_payload(
struct aclk_database_worker_config *wc,
uuid_t *uuid,
char *claim_id,
ACLK_PAYLOAD_TYPE payload_type,
void *payload,
size_t payload_size,
time_t *send_status,
int check_sent)
{
static __thread sqlite3_stmt *res_chart = NULL;
int rc;
time_t date_submitted;
if (unlikely(!payload))
return 0;
if (check_sent) {
date_submitted = payload_sent(wc->uuid_str, uuid, payload, payload_size);
if (send_status)
*send_status = date_submitted;
if (date_submitted)
return 0;
}
if (unlikely(!res_chart)) {
char sql[ACLK_SYNC_QUERY_SIZE];
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1,
"INSERT INTO aclk_chart_payload_%s (unique_id, uuid, claim_id, date_created, type, payload) " \
"VALUES (@unique_id, @uuid, @claim_id, unixepoch(), @type, @payload);", wc->uuid_str);
rc = prepare_statement(db_meta, sql, &res_chart);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to store chart payload data");
return 1;
}
}
uuid_t unique_uuid;
uuid_generate(unique_uuid);
uuid_t claim_uuid;
if (uuid_parse(claim_id, claim_uuid))
return 1;
rc = sqlite3_bind_blob(res_chart, 1, &unique_uuid, sizeof(unique_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 2, uuid, sizeof(*uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 3, &claim_uuid, sizeof(claim_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_int(res_chart, 4, payload_type);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = sqlite3_bind_blob(res_chart, 5, payload, payload_size, SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = execute_insert(res_chart);
if (unlikely(rc != SQLITE_DONE))
error_report("Failed store chart payload event, rc = %d", rc);
else {
wc->chart_payload_count++;
time_t now = now_realtime_sec();
if (wc->rotation_after > now && wc->rotation_after < now + ACLK_DATABASE_ROTATION_DELAY)
wc->rotation_after = now + ACLK_DATABASE_ROTATION_DELAY;
}
bind_fail:
if (unlikely(sqlite3_reset(res_chart) != SQLITE_OK))
error_report("Failed to reset statement in store chart payload, rc = %d", rc);
return (rc != SQLITE_DONE);
}
int aclk_add_chart_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc = 0;
CHECK_SQLITE_CONNECTION(db_meta);
char *claim_id = get_agent_claimid();
RRDSET *st = cmd.data;
if (likely(claim_id)) {
struct chart_instance_updated chart_payload;
memset(&chart_payload, 0, sizeof(chart_payload));
chart_payload.config_hash = get_str_from_uuid(&st->hash_uuid);
chart_payload.update_every = st->update_every;
chart_payload.memory_mode = st->rrd_memory_mode;
chart_payload.name = (char *)rrdset_name(st);
chart_payload.node_id = wc->node_id;
chart_payload.claim_id = claim_id;
chart_payload.id = strdupz(rrdset_id(st));
chart_payload.chart_labels = rrdlabels_create();
rrdlabels_copy(chart_payload.chart_labels, st->rrdlabels);
size_t size;
char *payload = generate_chart_instance_updated(&size, &chart_payload);
if (likely(payload))
rc = aclk_add_chart_payload(wc, &st->chart_uuid, claim_id, ACLK_PAYLOAD_CHART, (void *) payload, size, NULL, 1);
freez(payload);
chart_instance_updated_destroy(&chart_payload);
}
return rc;
}
static inline int aclk_upd_dimension_event(struct aclk_database_worker_config *wc, char *claim_id, uuid_t *dim_uuid,
const char *dim_id, const char *dim_name, const char *chart_type_id, time_t first_time, time_t last_time,
time_t *send_status)
{
int rc = 0;
size_t size;
if (unlikely(!dim_uuid || !dim_id || !dim_name || !chart_type_id))
return 0;
struct chart_dimension_updated dim_payload;
memset(&dim_payload, 0, sizeof(dim_payload));
#ifdef NETDATA_INTERNAL_CHECKS
if (!first_time)
info("Host %s (node %s) deleting dimension id=[%s] name=[%s] chart=[%s]",
wc->host_guid, wc->node_id, dim_id, dim_name, chart_type_id);
if (last_time)
info("Host %s (node %s) stopped collecting dimension id=[%s] name=[%s] chart=[%s] %ld seconds ago at %ld",
wc->host_guid, wc->node_id, dim_id, dim_name, chart_type_id, now_realtime_sec() - last_time, last_time);
#endif
dim_payload.node_id = wc->node_id;
dim_payload.claim_id = claim_id;
dim_payload.name = dim_name;
dim_payload.id = dim_id;
dim_payload.chart_id = chart_type_id;
dim_payload.created_at.tv_sec = first_time;
dim_payload.last_timestamp.tv_sec = last_time;
char *payload = generate_chart_dimension_updated(&size, &dim_payload);
if (likely(payload))
rc = aclk_add_chart_payload(wc, dim_uuid, claim_id, ACLK_PAYLOAD_DIMENSION, (void *)payload, size, send_status, 1);
freez(payload);
return rc;
}
void aclk_process_dimension_deletion(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc = 0;
sqlite3_stmt *res = NULL;
if (!aclk_connected)
return;
if (unlikely(!db_meta))
return;
uuid_t host_id;
if (uuid_parse(wc->host_guid, host_id))
return;
char *claim_id = get_agent_claimid();
if (!claim_id)
return;
rc = sqlite3_prepare_v2(
db_meta,
"DELETE FROM dimension_delete where host_id = @host_id "
"RETURNING dimension_id, dimension_name, chart_type_id, dim_id LIMIT 10;",
-1,
&res,
0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement when trying to delete dimension deletes");
freez(claim_id);
return;
}
rc = sqlite3_bind_blob(res, 1, &host_id, sizeof(host_id), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
unsigned count = 0;
while (sqlite3_step_monitored(res) == SQLITE_ROW) {
(void) aclk_upd_dimension_event(
wc,
claim_id,
(uuid_t *)sqlite3_column_text(res, 3),
(const char *)sqlite3_column_text(res, 0),
(const char *)sqlite3_column_text(res, 1),
(const char *)sqlite3_column_text(res, 2),
0,
0,
NULL);
count++;
}
if (count) {
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = ACLK_DATABASE_DIM_DELETION;
if (aclk_database_enq_cmd_noblock(wc, &cmd))
info("Failed to queue a dimension deletion message");
}
bind_fail:
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to finalize statement when adding dimension deletion events, rc = %d", rc);
freez(claim_id);
return;
}
int aclk_add_dimension_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc = 1;
CHECK_SQLITE_CONNECTION(db_meta);
struct aclk_chart_dimension_data *aclk_cd_data = cmd.data;
char *claim_id = get_agent_claimid();
if (!claim_id)
goto cleanup;
rc = aclk_add_chart_payload(wc, &aclk_cd_data->uuid, claim_id, ACLK_PAYLOAD_DIMENSION,
(void *) aclk_cd_data->payload, aclk_cd_data->payload_size, NULL, aclk_cd_data->check_payload);
freez(claim_id);
cleanup:
freez(aclk_cd_data->payload);
freez(aclk_cd_data);
return rc;
}
void aclk_send_chart_event(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc;
wc->chart_pending = 0;
if (unlikely(!wc->chart_updates)) {
log_access(
"ACLK STA [%s (%s)]: Ignoring chart push event, updates have been turned off for this node.",
wc->node_id,
wc->host ? rrdhost_hostname(wc->host) : "N/A");
return;
}
char *claim_id = get_agent_claimid();
if (unlikely(!claim_id))
return;
uuid_t claim_uuid;
if (uuid_parse(claim_id, claim_uuid))
return;
int limit = cmd.count > 0 ? cmd.count : 1;
uint64_t first_sequence;
uint64_t last_sequence;
time_t last_timestamp = 0;
char sql[ACLK_SYNC_QUERY_SIZE];
static __thread sqlite3_stmt *res = NULL;
if (unlikely(!res)) {
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1,"SELECT ac.sequence_id, acp.payload, ac.date_created, ac.type, ac.uuid " \
"FROM aclk_chart_%s ac, aclk_chart_payload_%s acp " \
"WHERE ac.date_submitted IS NULL AND ac.unique_id = acp.unique_id AND ac.update_count > 0 " \
"AND acp.claim_id = @claim_id ORDER BY ac.sequence_id ASC LIMIT %d;", wc->uuid_str, wc->uuid_str, limit);
rc = prepare_statement(db_meta, sql, &res);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement when trying to send a chart update via ACLK");
freez(claim_id);
return;
}
}
rc = sqlite3_bind_blob(res, 1, claim_uuid, sizeof(claim_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
char **payload_list = callocz(limit + 1, sizeof(char *));
size_t *payload_list_size = callocz(limit + 1, sizeof(size_t));
size_t *payload_list_max_size = callocz(limit + 1, sizeof(size_t));
struct aclk_message_position *position_list = callocz(limit + 1, sizeof(*position_list));
int *is_dim = callocz(limit + 1, sizeof(*is_dim));
int loop = cmd.param1;
uint64_t start_sequence_id = wc->chart_sequence_id;
while (loop > 0) {
uint64_t previous_sequence_id = wc->chart_sequence_id;
int count = 0;
first_sequence = 0;
last_sequence = 0;
while (count < limit && sqlite3_step_monitored(res) == SQLITE_ROW) {
size_t payload_size = sqlite3_column_bytes(res, 1);
if (payload_list_max_size[count] < payload_size) {
freez(payload_list[count]);
payload_list_max_size[count] = payload_size;
payload_list[count] = mallocz(payload_size);
}
payload_list_size[count] = payload_size;
memcpy(payload_list[count], sqlite3_column_blob(res, 1), payload_size);
position_list[count].sequence_id = (uint64_t)sqlite3_column_int64(res, 0);
position_list[count].previous_sequence_id = previous_sequence_id;
position_list[count].seq_id_creation_time.tv_sec = sqlite3_column_int64(res, 2);
position_list[count].seq_id_creation_time.tv_usec = 0;
if (!first_sequence)
first_sequence = position_list[count].sequence_id;
last_sequence = position_list[count].sequence_id;
last_timestamp = position_list[count].seq_id_creation_time.tv_sec;
previous_sequence_id = last_sequence;
is_dim[count] = sqlite3_column_int(res, 3) > 0;
count++;
if (wc->chart_payload_count)
wc->chart_payload_count--;
}
freez(payload_list[count]);
payload_list_max_size[count] = 0;
payload_list[count] = NULL;
rc = sqlite3_reset(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when pushing chart events, rc = %d", rc);
if (likely(first_sequence)) {
db_lock();
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1, "UPDATE aclk_chart_%s SET status = NULL, date_submitted=unixepoch() "
"WHERE date_submitted IS NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64 ";",
wc->uuid_str, first_sequence, last_sequence);
db_execute(sql);
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1, "INSERT OR REPLACE INTO aclk_chart_latest_%s (uuid, unique_id, date_submitted) "
" SELECT uuid, unique_id, date_submitted FROM aclk_chart_%s s "
" WHERE date_submitted IS NOT NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64
" ;",
wc->uuid_str, wc->uuid_str, first_sequence, last_sequence);
db_execute(sql);
db_unlock();
aclk_chart_inst_and_dim_update(payload_list, payload_list_size, is_dim, position_list, wc->batch_id);
log_access(
"ACLK RES [%s (%s)]: CHARTS SENT from %" PRIu64 " to %" PRIu64 " batch=%" PRIu64,
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
first_sequence,
last_sequence,
wc->batch_id);
wc->chart_sequence_id = last_sequence;
wc->chart_timestamp = last_timestamp;
} else
break;
--loop;
}
if (start_sequence_id != wc->chart_sequence_id) {
time_t now = now_realtime_sec();
if (wc->rotation_after > now && wc->rotation_after < now + ACLK_DATABASE_ROTATION_DELAY)
wc->rotation_after = now + ACLK_DATABASE_ROTATION_DELAY;
} else {
wc->chart_payload_count = sql_get_pending_count(wc);
if (!wc->chart_payload_count)
log_access(
"ACLK STA [%s (%s)]: Sync of charts and dimensions done in %ld seconds.",
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
now_realtime_sec() - wc->startup_time);
}
for (int i = 0; i <= limit; ++i)
freez(payload_list[i]);
freez(payload_list);
freez(payload_list_size);
freez(payload_list_max_size);
freez(position_list);
freez(is_dim);
bind_fail:
rc = sqlite3_reset(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when pushing chart events, rc = %d", rc);
freez(claim_id);
return;
}
// Push one chart config to the cloud
int aclk_send_chart_config(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
UNUSED(wc);
CHECK_SQLITE_CONNECTION(db_meta);
sqlite3_stmt *res = NULL;
int rc = 0;
char *hash_id = (char *) cmd.data_param;
uuid_t hash_uuid;
rc = uuid_parse(hash_id, hash_uuid);
if (unlikely(rc)) {
freez((char *) cmd.data_param);
return 1;
}
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql, "SELECT type, family, context, title, priority, plugin, module, unit, chart_type " \
"FROM chart_hash WHERE hash_id = @hash_id;");
rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement when trying to fetch a chart hash configuration");
goto fail;
}
rc = sqlite3_bind_blob(res, 1, &hash_uuid , sizeof(hash_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
struct chart_config_updated chart_config;
chart_config.config_hash = NULL;
while (sqlite3_step_monitored(res) == SQLITE_ROW) {
chart_config.type = strdupz((char *)sqlite3_column_text(res, 0));
chart_config.family = strdupz((char *)sqlite3_column_text(res, 1));
chart_config.context = strdupz((char *)sqlite3_column_text(res, 2));
chart_config.title = strdupz((char *)sqlite3_column_text(res, 3));
chart_config.priority = sqlite3_column_int64(res, 4);
chart_config.plugin = strdupz((char *)sqlite3_column_text(res, 5));
chart_config.module = sqlite3_column_bytes(res, 6) > 0 ? strdupz((char *)sqlite3_column_text(res, 6)) : NULL;
chart_config.chart_type = (RRDSET_TYPE) sqlite3_column_int(res,8);
chart_config.units = strdupz((char *)sqlite3_column_text(res, 7));
chart_config.config_hash = strdupz(hash_id);
}
if (likely(chart_config.config_hash)) {
log_access(
"ACLK REQ [%s (%s)]: Sending chart config for %s.",
wc->node_id,
wc->host ? rrdhost_hostname(wc->host) : "N/A",
hash_id);
aclk_chart_config_updated(&chart_config, 1);
destroy_chart_config_updated(&chart_config);
} else
log_access(
"ACLK STA [%s (%s)]: Chart config for %s not found.",
wc->node_id,
wc->host ? rrdhost_hostname(wc->host) : "N/A",
hash_id);
bind_fail:
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when pushing chart config hash, rc = %d", rc);
fail:
freez((char *)cmd.data_param);
buffer_free(sql);
return rc;
}
void aclk_receive_chart_ack(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
int rc;
sqlite3_stmt *res = NULL;
char sql[ACLK_SYNC_QUERY_SIZE];
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1,"UPDATE aclk_chart_%s SET date_updated=unixepoch() WHERE sequence_id <= @sequence_id "
"AND date_submitted IS NOT NULL AND date_updated IS NULL;", wc->uuid_str);
rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to ack chart sequence ids");
return;
}
rc = sqlite3_bind_int64(res, 1, (uint64_t) cmd.param1);
if (unlikely(rc != SQLITE_OK))
goto bind_fail;
rc = execute_insert(res);
if (rc != SQLITE_DONE)
error_report("Failed to ACK sequence id, rc = %d", rc);
else
log_access(
"ACLK STA [%s (%s)]: CHARTS ACKNOWLEDGED IN THE DATABASE UP TO %" PRIu64,
wc->node_id,
wc->host ? rrdhost_hostname(wc->host) : "N/A",
cmd.param1);
bind_fail:
if (unlikely(sqlite3_finalize(res) != SQLITE_OK))
error_report("Failed to finalize statement to ACK older sequence ids, rc = %d", rc);
return;
}
void aclk_receive_chart_reset(struct aclk_database_worker_config *wc, struct aclk_database_cmd cmd)
{
BUFFER *sql = buffer_create(1024);
buffer_sprintf(
sql,
"UPDATE aclk_chart_%s SET status = NULL, date_submitted = NULL WHERE sequence_id >= %" PRIu64 ";",
wc->uuid_str,
cmd.param1);
db_execute(buffer_tostring(sql));
if (cmd.param1 == 1) {
buffer_flush(sql);
log_access("ACLK REQ [%s (%s)]: Received chart full resync.", wc->node_id, wc->hostname ? wc->hostname: "N/A");
buffer_sprintf(sql, "DELETE FROM aclk_chart_payload_%s; DELETE FROM aclk_chart_%s; " \
"DELETE FROM aclk_chart_latest_%s;", wc->uuid_str, wc->uuid_str, wc->uuid_str);
db_lock();
db_execute("BEGIN TRANSACTION;");
db_execute(buffer_tostring(sql));
db_execute("COMMIT TRANSACTION;");
db_unlock();
wc->chart_sequence_id = 0;
wc->chart_timestamp = 0;
wc->chart_payload_count = 0;
RRDHOST *host = wc->host;
if (likely(host)) {
RRDSET *st;
rrdset_foreach_read(st, host) {
rrdset_flag_clear(st, RRDSET_FLAG_ACLK);
RRDDIM *rd;
rrddim_foreach_read(rd, st) {
rrddim_flag_clear(rd, RRDDIM_FLAG_ACLK);
rd->aclk_live_status = (rd->aclk_live_status == 0);
}
rrddim_foreach_done(rd);
}
rrdset_foreach_done(st);
}
else
error_report("ACLK synchronization thread for %s is not linked to HOST", wc->host_guid);
}
else {
log_access(
"ACLK STA [%s (%s)]: RESTARTING CHART SYNC FROM SEQUENCE %" PRIu64,
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
cmd.param1);
wc->chart_payload_count = sql_get_pending_count(wc);
sql_get_last_chart_sequence(wc);
}
buffer_free(sql);
wc->chart_updates = 1;
return;
}
//
// Functions called directly from ACLK threads and will queue commands
//
void aclk_get_chart_config(char **hash_id)
{
struct aclk_database_worker_config *wc = (struct aclk_database_worker_config *)localhost->dbsync_worker;
if (unlikely(!wc || !hash_id))
return;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = ACLK_DATABASE_PUSH_CHART_CONFIG;
for (int i = 0; hash_id[i]; ++i) {
// TODO: Verify that we have a valid hash_id
log_access(
"ACLK REQ [%s (%s)]: Request %d for chart config with hash %s received.",
wc->node_id,
wc->host ? rrdhost_hostname(wc->host) : "N/A",
i,
hash_id[i]);
cmd.data_param = (void *)strdupz(hash_id[i]);
aclk_database_enq_cmd(wc, &cmd);
}
return;
}
// Send a command to a node_id
// Need to discover the thread that will handle the request
// if thread not in active hosts, then try to find in the queue
static void aclk_submit_param_command(char *node_id, enum aclk_database_opcode aclk_command, uint64_t param)
{
if (unlikely(!node_id))
return;
struct aclk_database_worker_config *wc = NULL;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = aclk_command;
cmd.param1 = param;
RRDHOST *host = find_host_by_node_id(node_id);
if (likely(host))
wc = (struct aclk_database_worker_config *)host->dbsync_worker;
if (wc)
aclk_database_enq_cmd(wc, &cmd);
else {
if (aclk_worker_enq_cmd(node_id, &cmd))
log_access("ACLK STA [%s (N/A)]: ACLK synchronization thread is not active.", node_id);
}
return;
}
void aclk_ack_chart_sequence_id(char *node_id, uint64_t last_sequence_id)
{
if (unlikely(!node_id))
return;
char *hostname = get_hostname_by_node_id(node_id);
log_access("ACLK REQ [%s (%s)]: CHARTS ACKNOWLEDGED upto %" PRIu64, node_id, hostname ? hostname : "N/A",
last_sequence_id);
freez(hostname);
aclk_submit_param_command(node_id, ACLK_DATABASE_CHART_ACK, last_sequence_id);
return;
}
// Start streaming charts / dimensions for node_id
void aclk_start_streaming(char *node_id, uint64_t sequence_id, time_t created_at, uint64_t batch_id)
{
UNUSED(created_at);
if (unlikely(!node_id))
return;
uuid_t node_uuid;
if (uuid_parse(node_id, node_uuid)) {
log_access("ACLK REQ [%s (N/A)]: CHARTS STREAM ignored, invalid node id", node_id);
return;
}
struct aclk_database_worker_config *wc = find_inactive_wc_by_node_id(node_id);
rrd_rdlock();
RRDHOST *host;
rrdhost_foreach_read(host) {
if (wc || (host->node_id && !(uuid_compare(*host->node_id, node_uuid)))) {
rrd_unlock();
if (!wc)
wc = (struct aclk_database_worker_config *)host->dbsync_worker ?
(struct aclk_database_worker_config *)host->dbsync_worker :
(struct aclk_database_worker_config *)find_inactive_wc_by_node_id(node_id);
if (likely(wc)) {
wc->chart_reset_count++;
__sync_synchronize();
wc->chart_updates = 0;
wc->batch_id = batch_id;
__sync_synchronize();
wc->batch_created = now_realtime_sec();
log_access(
"ACLK REQ [%s (%s)]: CHARTS STREAM from %"PRIu64" (LOCAL %"PRIu64") t=%ld resets=%d" ,
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
sequence_id + 1,
wc->chart_sequence_id,
wc->chart_timestamp,
wc->chart_reset_count);
if (sequence_id > wc->chart_sequence_id || wc->chart_reset_count > 10) {
log_access(
"ACLK RES [%s (%s)]: CHARTS FULL RESYNC REQUEST "
"remote_seq=%" PRIu64 " local_seq=%" PRIu64 " resets=%d ",
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
sequence_id,
wc->chart_sequence_id,
wc->chart_reset_count);
chart_reset_t chart_reset;
chart_reset.claim_id = get_agent_claimid();
if (chart_reset.claim_id) {
chart_reset.node_id = node_id;
chart_reset.reason = SEQ_ID_NOT_EXISTS;
aclk_chart_reset(chart_reset);
freez(chart_reset.claim_id);
wc->chart_reset_count = -1;
}
} else {
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
// TODO: handle timestamp
if (sequence_id < wc->chart_sequence_id ||
!sequence_id) { // || created_at != wc->chart_timestamp) {
log_access(
"ACLK REQ [%s (%s)]: CHART RESET from %" PRIu64 " t=%ld batch=%" PRIu64,
wc->node_id,
wc->hostname ? wc->hostname : "N/A",
sequence_id + 1,
wc->chart_timestamp,
wc->batch_id);
cmd.opcode = ACLK_DATABASE_RESET_CHART;
cmd.param1 = sequence_id + 1;
cmd.completion = NULL;
aclk_database_enq_cmd(wc, &cmd);
} else {
wc->chart_reset_count = 0;
wc->chart_updates = 1;
}
}
} else {
log_access("ACLK STA [%s (%s)]: ACLK synchronization thread is not active.", node_id, wc->hostname ? wc->hostname : "N/A");
}
return;
}
}
rrd_unlock();
}
#define SQL_SELECT_HOST_MEMORY_MODE "SELECT memory_mode FROM chart WHERE host_id = @host_id LIMIT 1;"
static RRD_MEMORY_MODE sql_get_host_memory_mode(uuid_t *host_id)
{
int rc;
RRD_MEMORY_MODE memory_mode = RRD_MEMORY_MODE_RAM;
sqlite3_stmt *res = NULL;
rc = sqlite3_prepare_v2(db_meta, SQL_SELECT_HOST_MEMORY_MODE, -1, &res, 0);
if (unlikely(rc != SQLITE_OK)) {
error_report("Failed to prepare statement to read host memory mode");
return memory_mode;
}
rc = sqlite3_bind_blob(res, 1, host_id, sizeof(*host_id), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK)) {
error_report("Failed to bind host parameter to fetch host memory mode");
goto failed;
}
while (sqlite3_step_monitored(res) == SQLITE_ROW) {
memory_mode = (RRD_MEMORY_MODE)sqlite3_column_int(res, 0);
}
failed:
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to finalize the prepared statement when reading host memory mode");
return memory_mode;
}
#define SELECT_HOST_DIMENSION_LIST \
"SELECT d.dim_id, c.update_every, c.type||'.'||c.id, d.id, d.name FROM chart c, dimension d " \
"WHERE d.chart_id = c.chart_id AND c.host_id = @host_id ORDER BY c.update_every ASC;"
#define SELECT_HOST_CHART_LIST \
"SELECT distinct h.host_id, c.update_every, c.type||'.'||c.id FROM chart c, host h " \
"WHERE c.host_id = h.host_id AND c.host_id = @host_id ORDER BY c.update_every ASC;"
void aclk_update_retention(struct aclk_database_worker_config *wc)
{
int rc;
if (!aclk_connected)
return;
if (wc->host && rrdhost_flag_check(wc->host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS)) {
internal_error(true, "Skipping aclk_update_retention for host %s because context streaming is enabled", rrdhost_hostname(wc->host));
return;
}
char *claim_id = get_agent_claimid();
if (unlikely(!claim_id))
return;
sqlite3_stmt *res = NULL;
RRD_MEMORY_MODE memory_mode;
uuid_t host_uuid;
rc = uuid_parse(wc->host_guid, host_uuid);
if (unlikely(rc)) {
freez(claim_id);
return;
}
if (wc->host)
memory_mode = wc->host->rrd_memory_mode;
else
memory_mode = sql_get_host_memory_mode(&host_uuid);
if (memory_mode == RRD_MEMORY_MODE_DBENGINE)
rc = sqlite3_prepare_v2(db_meta, SELECT_HOST_DIMENSION_LIST, -1, &res, 0);
else
rc = sqlite3_prepare_v2(db_meta, SELECT_HOST_CHART_LIST, -1, &res, 0);
if (unlikely(rc != SQLITE_OK)) {
error_report("Failed to prepare statement to fetch host dimensions");
freez(claim_id);
return;
}
rc = sqlite3_bind_blob(res, 1, &host_uuid, sizeof(host_uuid), SQLITE_STATIC);
if (unlikely(rc != SQLITE_OK)) {
error_report("Failed to bind host parameter to fetch host dimensions");
goto failed;
}
time_t start_time = LONG_MAX;
time_t first_entry_t;
time_t last_entry_t;
uint32_t update_every = 0;
uint32_t dimension_update_count = 0;
uint32_t total_checked = 0;
uint32_t total_deleted= 0;
uint32_t total_stopped= 0;
time_t send_status;
struct retention_updated rotate_data;
memset(&rotate_data, 0, sizeof(rotate_data));
int max_intervals = 32;
rotate_data.interval_duration_count = 0;
rotate_data.interval_durations = callocz(max_intervals, sizeof(*rotate_data.interval_durations));
now_realtime_timeval(&rotate_data.rotation_timestamp);
rotate_data.memory_mode = memory_mode;
rotate_data.claim_id = claim_id;
rotate_data.node_id = strdupz(wc->node_id);
time_t now = now_realtime_sec();
while (sqlite3_step_monitored(res) == SQLITE_ROW && dimension_update_count < ACLK_MAX_DIMENSION_CLEANUP) {
if (unlikely(netdata_exit))
break;
if (!update_every || update_every != (uint32_t)sqlite3_column_int(res, 1)) {
if (update_every) {
debug(D_ACLK_SYNC, "Update %s for %u oldest time = %ld", wc->host_guid, update_every, start_time);
if (start_time == LONG_MAX)
rotate_data.interval_durations[rotate_data.interval_duration_count].retention = 0;
else
rotate_data.interval_durations[rotate_data.interval_duration_count].retention =
rotate_data.rotation_timestamp.tv_sec - start_time;
rotate_data.interval_duration_count++;
}
update_every = (uint32_t)sqlite3_column_int(res, 1);
rotate_data.interval_durations[rotate_data.interval_duration_count].update_every = update_every;
start_time = LONG_MAX;
}
#ifdef ENABLE_DBENGINE
if (memory_mode == RRD_MEMORY_MODE_DBENGINE)
rc =
rrdeng_metric_latest_time_by_uuid((uuid_t *)sqlite3_column_blob(res, 0), &first_entry_t, &last_entry_t, 0);
else
#endif
{
if (wc->host) {
RRDSET *st = NULL;
rc = (st = rrdset_find(wc->host, (const char *)sqlite3_column_text(res, 2))) ? 0 : 1;
if (!rc) {
first_entry_t = rrdset_first_entry_t(st);
last_entry_t = rrdset_last_entry_t(st);
}
} else {
rc = 0;
first_entry_t = rotate_data.rotation_timestamp.tv_sec;
}
}
if (likely(!rc && first_entry_t))
start_time = MIN(start_time, first_entry_t);
if (memory_mode == RRD_MEMORY_MODE_DBENGINE && wc->chart_updates && (dimension_update_count < ACLK_MAX_DIMENSION_CLEANUP)) {
int live = ((now - last_entry_t) < (RRDSET_MINIMUM_DIM_LIVE_MULTIPLIER * update_every));
if (rc) {
first_entry_t = 0;
last_entry_t = 0;
live = 0;
}
if (!wc->host || !first_entry_t) {
if (!first_entry_t) {
delete_dimension_uuid((uuid_t *)sqlite3_column_blob(res, 0));
total_deleted++;
dimension_update_count++;
}
else {
(void)aclk_upd_dimension_event(
wc,
claim_id,
(uuid_t *)sqlite3_column_blob(res, 0),
(const char *)(const char *)sqlite3_column_text(res, 3),
(const char *)(const char *)sqlite3_column_text(res, 4),
(const char *)(const char *)sqlite3_column_text(res, 2),
first_entry_t,
live ? 0 : last_entry_t,
&send_status);
if (!send_status) {
if (last_entry_t)
total_stopped++;
dimension_update_count++;
}
}
}
}
total_checked++;
}
if (update_every) {
debug(D_ACLK_SYNC, "Update %s for %u oldest time = %ld", wc->host_guid, update_every, start_time);
if (start_time == LONG_MAX)
rotate_data.interval_durations[rotate_data.interval_duration_count].retention = 0;
else
rotate_data.interval_durations[rotate_data.interval_duration_count].retention =
rotate_data.rotation_timestamp.tv_sec - start_time;
rotate_data.interval_duration_count++;
}
if (dimension_update_count < ACLK_MAX_DIMENSION_CLEANUP && !netdata_exit)
log_access("ACLK STA [%s (%s)]: UPDATES %d RETENTION MESSAGE SENT. CHECKED %u DIMENSIONS. %u DELETED, %u STOPPED COLLECTING",
wc->node_id, wc->hostname ? wc->hostname : "N/A", wc->chart_updates, total_checked, total_deleted, total_stopped);
else
log_access("ACLK STA [%s (%s)]: UPDATES %d RETENTION MESSAGE NOT SENT. CHECKED %u DIMENSIONS. %u DELETED, %u STOPPED COLLECTING",
wc->node_id, wc->hostname ? wc->hostname : "N/A", wc->chart_updates, total_checked, total_deleted, total_stopped);
#ifdef NETDATA_INTERNAL_CHECKS
info("Retention update for %s (chart updates = %d)", wc->host_guid, wc->chart_updates);
for (int i = 0; i < rotate_data.interval_duration_count; ++i)
info(
"Update for host %s (node %s) for %u Retention = %u",
wc->host_guid,
wc->node_id,
rotate_data.interval_durations[i].update_every,
rotate_data.interval_durations[i].retention);
#endif
if (dimension_update_count < ACLK_MAX_DIMENSION_CLEANUP && !netdata_exit)
aclk_retention_updated(&rotate_data);
freez(rotate_data.node_id);
freez(rotate_data.interval_durations);
failed:
freez(claim_id);
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to finalize the prepared statement when reading host dimensions");
return;
}
uint32_t sql_get_pending_count(struct aclk_database_worker_config *wc)
{
char sql[ACLK_SYNC_QUERY_SIZE];
static __thread sqlite3_stmt *res = NULL;
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1, "SELECT count(1) FROM aclk_chart_%s ac WHERE ac.date_submitted IS NULL;", wc->uuid_str);
int rc;
uint32_t chart_payload_count = 0;
if (unlikely(!res)) {
rc = prepare_statement(db_meta, sql, &res);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to count pending messages");
return 0;
}
}
while (sqlite3_step_monitored(res) == SQLITE_ROW)
chart_payload_count = (uint32_t) sqlite3_column_int(res, 0);
rc = sqlite3_reset(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when fetching pending messages, rc = %d", rc);
return chart_payload_count;
}
void sql_get_last_chart_sequence(struct aclk_database_worker_config *wc)
{
char sql[ACLK_SYNC_QUERY_SIZE];
snprintfz(sql,ACLK_SYNC_QUERY_SIZE-1, "SELECT ac.sequence_id, ac.date_created FROM aclk_chart_%s ac " \
"WHERE ac.date_submitted IS NOT NULL ORDER BY ac.sequence_id DESC LIMIT 1;", wc->uuid_str);
int rc;
sqlite3_stmt *res = NULL;
rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
if (rc != SQLITE_OK) {
error_report("Failed to prepare statement to find last chart sequence id");
return;
}
wc->chart_sequence_id = 0;
wc->chart_timestamp = 0;
while (sqlite3_step_monitored(res) == SQLITE_ROW) {
wc->chart_sequence_id = (uint64_t)sqlite3_column_int64(res, 0);
wc->chart_timestamp = (time_t)sqlite3_column_int64(res, 1);
}
debug(D_ACLK_SYNC, "Node %s reports last sequence_id=%" PRIu64, wc->node_id, wc->chart_sequence_id);
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to reset statement when fetching chart sequence info, rc = %d", rc);
return;
}
void queue_dimension_to_aclk(RRDDIM *rd, time_t last_updated)
{
RRDHOST *host = rd->rrdset->rrdhost;
if (likely(rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS)))
return;
int live = !last_updated;
if (likely(rd->aclk_live_status == live))
return;
time_t created_at = rd->tiers[0]->query_ops.oldest_time(rd->tiers[0]->db_metric_handle);
if (unlikely(!created_at && rd->updated))
created_at = rd->last_collected_time.tv_sec;
rd->aclk_live_status = live;
struct aclk_database_worker_config *wc = rd->rrdset->rrdhost->dbsync_worker;
if (unlikely(!wc))
return;
char *claim_id = get_agent_claimid();
if (unlikely(!claim_id))
return;
struct chart_dimension_updated dim_payload;
memset(&dim_payload, 0, sizeof(dim_payload));
dim_payload.node_id = wc->node_id;
dim_payload.claim_id = claim_id;
dim_payload.name = rrddim_name(rd);
dim_payload.id = rrddim_id(rd);
dim_payload.chart_id = rrdset_id(rd->rrdset);
dim_payload.created_at.tv_sec = created_at;
dim_payload.last_timestamp.tv_sec = last_updated;
size_t size = 0;
char *payload = generate_chart_dimension_updated(&size, &dim_payload);
freez(claim_id);
if (unlikely(!payload))
return;
struct aclk_chart_dimension_data *aclk_cd_data = mallocz(sizeof(*aclk_cd_data));
uuid_copy(aclk_cd_data->uuid, rd->metric_uuid);
aclk_cd_data->payload = payload;
aclk_cd_data->payload_size = size;
aclk_cd_data->check_payload = 1;
struct aclk_database_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.opcode = ACLK_DATABASE_ADD_DIMENSION;
cmd.data = aclk_cd_data;
int rc = aclk_database_enq_cmd_noblock(wc, &cmd);
if (unlikely(rc)) {
freez(aclk_cd_data->payload);
freez(aclk_cd_data);
rd->aclk_live_status = !live;
}
return;
}
void aclk_send_dimension_update(RRDDIM *rd)
{
char *claim_id = get_agent_claimid();
if (unlikely(!claim_id))
return;
time_t first_entry_t = rrddim_first_entry_t(rd);
time_t last_entry_t = rrddim_last_entry_t(rd);
time_t now = now_realtime_sec();
int live = ((now - rd->last_collected_time.tv_sec) < (RRDSET_MINIMUM_DIM_LIVE_MULTIPLIER * rd->update_every));
if (!live || rd->aclk_live_status != live || !first_entry_t) {
(void)aclk_upd_dimension_event(
rd->rrdset->rrdhost->dbsync_worker,
claim_id,
&rd->metric_uuid,
rrddim_id(rd),
rrddim_name(rd),
rrdset_id(rd->rrdset),
first_entry_t,
live ? 0 : last_entry_t,
NULL);
if (!first_entry_t)
debug(
D_ACLK_SYNC,
"%s: Update dimension chart=%s dim=%s live=%d (%ld, %ld)",
rrdhost_hostname(rd->rrdset->rrdhost),
rrdset_name(rd->rrdset),
rrddim_name(rd),
live,
first_entry_t,
last_entry_t);
else
debug(
D_ACLK_SYNC,
"%s: Update dimension chart=%s dim=%s live=%d (%ld, %ld) collected %ld seconds ago",
rrdhost_hostname(rd->rrdset->rrdhost),
rrdset_name(rd->rrdset),
rrddim_name(rd),
live,
first_entry_t,
last_entry_t,
now - last_entry_t);
rd->aclk_live_status = live;
}
freez(claim_id);
return;
}
#define SQL_SEQ_NULL(result, n) sqlite3_column_type(result, n) == SQLITE_NULL ? 0 : sqlite3_column_int64(result, n)
struct aclk_chart_sync_stats *aclk_get_chart_sync_stats(RRDHOST *host)
{
struct aclk_chart_sync_stats *aclk_statistics = NULL;
struct aclk_database_worker_config *wc = NULL;
wc = (struct aclk_database_worker_config *)host->dbsync_worker;
if (!wc)
return NULL;
aclk_statistics = callocz(1, sizeof(struct aclk_chart_sync_stats));
aclk_statistics->updates = wc->chart_updates;
aclk_statistics->batch_id = wc->batch_id;
char host_uuid_fixed[GUID_LEN + 1];
strncpy(host_uuid_fixed, host->machine_guid, GUID_LEN);
host_uuid_fixed[GUID_LEN] = 0;
host_uuid_fixed[8] = '_';
host_uuid_fixed[13] = '_';
host_uuid_fixed[18] = '_';
host_uuid_fixed[23] = '_';
sqlite3_stmt *res = NULL;
BUFFER *sql = buffer_create(1024);
buffer_sprintf(sql, "SELECT min(sequence_id), max(sequence_id), 0 FROM aclk_chart_%s;", host_uuid_fixed);
buffer_sprintf(sql, "SELECT min(sequence_id), max(sequence_id), 0 FROM aclk_chart_%s WHERE date_submitted IS NULL;", host_uuid_fixed);
buffer_sprintf(sql, "SELECT min(sequence_id), max(sequence_id), 0 FROM aclk_chart_%s WHERE date_submitted IS NOT NULL;", host_uuid_fixed);
buffer_sprintf(sql, "SELECT min(sequence_id), max(sequence_id), 0 FROM aclk_chart_%s WHERE date_updated IS NOT NULL;", host_uuid_fixed);
buffer_sprintf(sql, "SELECT max(date_created), max(date_submitted), max(date_updated), 0 FROM aclk_chart_%s;", host_uuid_fixed);
int rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
if (rc != SQLITE_OK) {
buffer_free(sql);
freez(aclk_statistics);
return NULL;
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->min_seqid = SQL_SEQ_NULL(res, 0);
aclk_statistics->max_seqid = SQL_SEQ_NULL(res, 1);
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->min_seqid_pend = SQL_SEQ_NULL(res, 0);
aclk_statistics->max_seqid_pend = SQL_SEQ_NULL(res, 1);
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->min_seqid_sent = SQL_SEQ_NULL(res, 0);
aclk_statistics->max_seqid_sent = SQL_SEQ_NULL(res, 1);
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->min_seqid_ack = SQL_SEQ_NULL(res, 0);
aclk_statistics->max_seqid_ack = SQL_SEQ_NULL(res, 1);
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->min_seqid_ack = SQL_SEQ_NULL(res, 0);
aclk_statistics->max_seqid_ack = SQL_SEQ_NULL(res, 1);
}
rc = sqlite3_step_monitored(res);
if (rc == SQLITE_ROW) {
aclk_statistics->max_date_created = (time_t) SQL_SEQ_NULL(res, 0);
aclk_statistics->max_date_submitted = (time_t) SQL_SEQ_NULL(res, 1);
aclk_statistics->max_date_ack = (time_t) SQL_SEQ_NULL(res, 2);
}
rc = sqlite3_finalize(res);
if (unlikely(rc != SQLITE_OK))
error_report("Failed to finalize statement when fetching aclk sync statistics, rc = %d", rc);
buffer_free(sql);
return aclk_statistics;
}
void sql_check_chart_liveness(RRDSET *st) {
RRDDIM *rd;
if (unlikely(rrdset_is_ar_chart(st)))
return;
if (unlikely(!rrdset_flag_check(st, RRDSET_FLAG_ACLK)))
return;
if (unlikely(!rrdset_flag_check(st, RRDSET_FLAG_ACLK))) {
if (likely(rrdset_number_of_dimensions(st) && st->counter_done && !queue_chart_to_aclk(st))) {
debug(D_ACLK_SYNC,"Check chart liveness [%s] submit chart definition", rrdset_name(st));
rrdset_flag_set(st, RRDSET_FLAG_ACLK);
}
}
else
debug(D_ACLK_SYNC,"Check chart liveness [%s] chart definition already submitted", rrdset_name(st));
time_t mark = now_realtime_sec();
debug(D_ACLK_SYNC,"Check chart liveness [%s] scanning dimensions", rrdset_name(st));
rrddim_foreach_read(rd, st) {
if (!rrddim_option_check(rd, RRDDIM_OPTION_HIDDEN))
queue_dimension_to_aclk(rd, calc_dimension_liveness(rd, mark));
}
rrddim_foreach_done(rd);
}
// ST is read locked
int queue_chart_to_aclk(RRDSET *st)
{
RRDHOST *host = st->rrdhost;
if (likely(rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_CONTEXTS)))
return 0;
return sql_queue_chart_payload((struct aclk_database_worker_config *) st->rrdhost->dbsync_worker,
st, ACLK_DATABASE_ADD_CHART);
}
#endif //ENABLE_ACLK
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