Merging upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 1142 deletions

diff --git a/database/sqlite/sqlite_aclk_alert.c b/database/sqlite/sqlite_aclk_alert.c
deleted file mode 100644
index 9bd060f96..000000000
--- a/database/sqlite/sqlite_aclk_alert.c
+++ /dev/null
@@ -1,1142 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "sqlite_functions.h"
-#include "sqlite_aclk_alert.h"
-
-#ifdef ENABLE_ACLK
-#include "../../aclk/aclk_alarm_api.h"
-#endif
-
-#define SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param)                                                                     \
-    ({                                                                                                                 \
-        int _param = (param);                                                                                          \
-        sqlite3_column_bytes((res), (_param)) ? strdupz((char *)sqlite3_column_text((res), (_param))) : NULL;          \
-    })
-
-#define SQL_UPDATE_FILTERED_ALERT                                                                                      \
-    "UPDATE aclk_alert_%s SET filtered_alert_unique_id = @new_alert, date_created = UNIXEPOCH() "                      \
-    "WHERE filtered_alert_unique_id = @old_alert"
-
-static void update_filtered(ALARM_ENTRY *ae, int64_t unique_id, char *uuid_str)
-{
-    sqlite3_stmt *res = NULL;
-
-    char sql[ACLK_SYNC_QUERY_SIZE];
-    snprintfz(sql, sizeof(sql) - 1, SQL_UPDATE_FILTERED_ALERT, uuid_str);
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement when trying to update_filtered");
-        return;
-    }
-
-    rc = sqlite3_bind_int64(res, 1,  ae->unique_id);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind ae unique_id for update_filtered");
-        goto done;
-    }
-
-    rc = sqlite3_bind_int64(res, 2,  unique_id);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind unique_id for update_filtered");
-        goto done;
-    }
-
-    rc = sqlite3_step_monitored(res);
-    if (likely(rc == SQLITE_DONE))
-        ae->flags |= HEALTH_ENTRY_FLAG_ACLK_QUEUED;
-
-done:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement when trying to update_filtered, rc = %d", rc);
-}
-
-#define SQL_SELECT_VARIABLE_ALERT_BY_UNIQUE_ID                                                                         \
-    "SELECT hld.unique_id FROM health_log hl, alert_hash ah, health_log_detail hld "                                   \
-    "WHERE hld.unique_id = @unique_id AND hl.config_hash_id = ah.hash_id AND hld.health_log_id = hl.health_log_id "    \
-    "AND hl.host_id = @host_id AND ah.warn IS NULL AND ah.crit IS NULL"
-
-static inline bool is_event_from_alert_variable_config(int64_t unique_id, uuid_t *host_id)
-{
-    sqlite3_stmt *res = NULL;
-
-    int rc = sqlite3_prepare_v2(db_meta, SQL_SELECT_VARIABLE_ALERT_BY_UNIQUE_ID, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement when trying to check for alert variables.");
-        return false;
-    }
-
-    bool ret = false;
-
-    rc = sqlite3_bind_int64(res, 1, unique_id);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind unique_id for checking alert variable.");
-        goto done;
-    }
-
-    rc = sqlite3_bind_blob(res, 2, host_id, sizeof(*host_id), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind host_id for checking alert variable.");
-        goto done;
-    }
-
-    rc = sqlite3_step_monitored(res);
-    if (likely(rc == SQLITE_ROW))
-        ret = true;
-
-done:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement when trying to check for alert variables, rc = %d", rc);
-
-    return ret;
-}
-
-#define MAX_REMOVED_PERIOD 604800 //a week
-
-//decide if some events should be sent or not
-#define SQL_SELECT_ALERT_BY_ID                                                                                             \
-    "SELECT hld.new_status, hl.config_hash_id, hld.unique_id FROM health_log hl, aclk_alert_%s aa, health_log_detail hld " \
-    "WHERE hl.host_id = @host_id AND hld.unique_id = aa.filtered_alert_unique_id "                                         \
-    "AND hld.alarm_id = @alarm_id AND hl.health_log_id = hld.health_log_id "                                               \
-    "ORDER BY hld.rowid DESC LIMIT 1"
-
-static bool should_send_to_cloud(RRDHOST *host, ALARM_ENTRY *ae)
-{
-    sqlite3_stmt *res = NULL;
-
-    if (ae->new_status == RRDCALC_STATUS_REMOVED || ae->new_status == RRDCALC_STATUS_UNINITIALIZED)
-        return 0;
-
-    if (unlikely(uuid_is_null(ae->config_hash_id) || !host->aclk_config))
-        return 0;
-
-    char sql[ACLK_SYNC_QUERY_SIZE];
-
-    //get the previous sent event of this alarm_id
-    //base the search on the last filtered event
-    snprintfz(sql, sizeof(sql) - 1, SQL_SELECT_ALERT_BY_ID, host->aclk_config->uuid_str);
-
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement when trying should_send_to_cloud.");
-        return true;
-    }
-
-    bool send = false;
-
-    rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind host_id for checking should_send_to_cloud");
-        goto done;
-    }
-
-    rc = sqlite3_bind_int(res, 2, (int) ae->alarm_id);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind alarm_id for checking should_send_to_cloud");
-        goto done;
-    }
-
-    rc = sqlite3_step_monitored(res);
-
-    if (likely(rc == SQLITE_ROW)) {
-        uuid_t config_hash_id;
-        RRDCALC_STATUS status = (RRDCALC_STATUS)sqlite3_column_int(res, 0);
-
-        if (sqlite3_column_type(res, 1) != SQLITE_NULL)
-            uuid_copy(config_hash_id, *((uuid_t *)sqlite3_column_blob(res, 1)));
-
-        int64_t unique_id = sqlite3_column_int64(res, 2);
-
-        if (ae->new_status != (RRDCALC_STATUS)status || uuid_memcmp(&ae->config_hash_id, &config_hash_id))
-            send = true;
-        else
-            update_filtered(ae, unique_id, host->aclk_config->uuid_str);
-    } else
-        send = true;
-
-done:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement when trying should_send_to_cloud, rc = %d", rc);
-
-    return send;
-}
-
-#define SQL_QUEUE_ALERT_TO_CLOUD                                                                                       \
-    "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) "                             \
-    "VALUES (@alert_unique_id, UNIXEPOCH(), @alert_unique_id) ON CONFLICT (alert_unique_id) DO NOTHING"
-
-void sql_queue_alarm_to_aclk(RRDHOST *host, ALARM_ENTRY *ae, bool skip_filter)
-{
-    sqlite3_stmt *res_alert = NULL;
-    char sql[ACLK_SYNC_QUERY_SIZE];
-
-    if (!service_running(SERVICE_ACLK))
-        return;
-
-    if (!claimed() || ae->flags & HEALTH_ENTRY_FLAG_ACLK_QUEUED)
-        return;
-
-    if (false == skip_filter && !should_send_to_cloud(host, ae))
-            return;
-
-    if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid))
-        return;
-
-    snprintfz(sql, sizeof(sql) - 1, SQL_QUEUE_ALERT_TO_CLOUD, host->aclk_config->uuid_str);
-
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res_alert, 0);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to prepare statement to store alert event");
-        return;
-    }
-
-    rc = sqlite3_bind_int64(res_alert, 1, ae->unique_id);
-    if (unlikely(rc != SQLITE_OK))
-        goto done;
-
-    rc = execute_insert(res_alert);
-    if (unlikely(rc == SQLITE_DONE)) {
-        ae->flags |= HEALTH_ENTRY_FLAG_ACLK_QUEUED;
-        rrdhost_flag_set(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS);
-    } else
-        error_report("Failed to store alert event %"PRId64", rc = %d", ae->unique_id, rc);
-
-done:
-    if (unlikely(sqlite3_finalize(res_alert) != SQLITE_OK))
-        error_report("Failed to reset statement in store alert event, rc = %d", rc);
-}
-
-int rrdcalc_status_to_proto_enum(RRDCALC_STATUS status)
-{
-#ifdef ENABLE_ACLK
-    switch(status) {
-        case RRDCALC_STATUS_REMOVED:
-            return ALARM_STATUS_REMOVED;
-
-        case RRDCALC_STATUS_UNDEFINED:
-            return ALARM_STATUS_NOT_A_NUMBER;
-
-        case RRDCALC_STATUS_CLEAR:
-            return ALARM_STATUS_CLEAR;
-
-        case RRDCALC_STATUS_WARNING:
-            return ALARM_STATUS_WARNING;
-
-        case RRDCALC_STATUS_CRITICAL:
-            return ALARM_STATUS_CRITICAL;
-
-        default:
-            return ALARM_STATUS_UNKNOWN;
-    }
-#else
-    UNUSED(status);
-    return 1;
-#endif
-}
-
-static inline char *sqlite3_uuid_unparse_strdupz(sqlite3_stmt *res, int iCol) {
-    char uuid_str[UUID_STR_LEN];
-
-    if(sqlite3_column_type(res, iCol) == SQLITE_NULL)
-        uuid_str[0] = '\0';
-    else
-        uuid_unparse_lower(*((uuid_t *) sqlite3_column_blob(res, iCol)), uuid_str);
-
-    return strdupz(uuid_str);
-}
-
-static inline char *sqlite3_text_strdupz_empty(sqlite3_stmt *res, int iCol) {
-    char *ret;
-
-    if(sqlite3_column_type(res, iCol) == SQLITE_NULL)
-        ret = "";
-    else
-        ret = (char *)sqlite3_column_text(res, iCol);
-
-    return strdupz(ret);
-}
-
-
-static void aclk_push_alert_event(struct aclk_sync_cfg_t *wc __maybe_unused)
-{
-#ifdef ENABLE_ACLK
-    int rc;
-
-    if (unlikely(!wc->alert_updates)) {
-        nd_log(NDLS_ACCESS, NDLP_NOTICE,
-            "ACLK STA [%s (%s)]: Ignoring alert 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;
-
-    if (unlikely(!wc->host)) {
-        freez(claim_id);
-        return;
-    }
-
-    BUFFER *sql = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite);
-
-    sqlite3_stmt *res = NULL;
-
-    buffer_sprintf(
-        sql,
-        "SELECT aa.sequence_id, hld.unique_id, hld.alarm_id, hl.config_hash_id, hld.updated_by_id, hld.when_key, "
-        " hld.duration, hld.non_clear_duration, hld.flags, hld.exec_run_timestamp, hld.delay_up_to_timestamp, hl.name,  "
-        " hl.chart, hl.exec, hl.recipient, ha.source, hl.units, hld.info, hld.exec_code, hld.new_status,  "
-        " hld.old_status, hld.delay, hld.new_value, hld.old_value, hld.last_repeat, hl.chart_context, hld.transition_id, "
-        " hld.alarm_event_id, hl.chart_name, hld.summary  "
-        " FROM health_log hl, aclk_alert_%s aa, alert_hash ha, health_log_detail hld "
-        " WHERE hld.unique_id = aa.alert_unique_id AND hl.config_hash_id = ha.hash_id AND aa.date_submitted IS NULL "
-        " AND hl.host_id = @host_id AND hl.health_log_id = hld.health_log_id "
-        " ORDER BY aa.sequence_id ASC LIMIT "ACLK_MAX_ALERT_UPDATES,
-        wc->uuid_str);
-
-    rc = sqlite3_prepare_v2(db_meta, buffer_tostring(sql), -1, &res, 0);
-    if (rc != SQLITE_OK) {
-
-        BUFFER *sql_fix = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite);
-        buffer_sprintf(sql_fix, TABLE_ACLK_ALERT, wc->uuid_str);
-
-        rc = db_execute(db_meta, buffer_tostring(sql_fix));
-        if (unlikely(rc))
-            error_report("Failed to create ACLK alert table for host %s", rrdhost_hostname(wc->host));
-        buffer_free(sql_fix);
-
-        // Try again
-        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 send an alert update via ACLK");
-
-            buffer_free(sql);
-            freez(claim_id);
-            return;
-        }
-    }
-
-    rc = sqlite3_bind_blob(res, 1, &wc->host->host_uuid, sizeof(wc->host->host_uuid), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind host_id for pushing alert event.");
-        goto done;
-    }
-
-    uint64_t first_sequence_id = 0;
-    uint64_t last_sequence_id = 0;
-
-    while (sqlite3_step_monitored(res) == SQLITE_ROW) {
-        struct alarm_log_entry alarm_log;
-        char old_value_string[100 + 1];
-        char new_value_string[100 + 1];
-
-        alarm_log.node_id = wc->node_id;
-        alarm_log.claim_id = claim_id;
-        alarm_log.chart = strdupz((char *)sqlite3_column_text(res, 12));
-        alarm_log.name = strdupz((char *)sqlite3_column_text(res, 11));
-        alarm_log.when = (time_t) sqlite3_column_int64(res, 5);
-        alarm_log.config_hash = sqlite3_uuid_unparse_strdupz(res, 3);
-        alarm_log.utc_offset = wc->host->utc_offset;
-        alarm_log.timezone = strdupz(rrdhost_abbrev_timezone(wc->host));
-        alarm_log.exec_path = sqlite3_column_bytes(res, 13) > 0 ? strdupz((char *)sqlite3_column_text(res, 13)) :
-                                                                  strdupz((char *)string2str(wc->host->health.health_default_exec));
-        alarm_log.conf_source = sqlite3_column_bytes(res, 15) > 0 ? strdupz((char *)sqlite3_column_text(res, 15)) : strdupz("");
-
-        char *edit_command = sqlite3_column_bytes(res, 15) > 0 ?
-                                 health_edit_command_from_source((char *)sqlite3_column_text(res, 15)) :
-                                 strdupz("UNKNOWN=0=UNKNOWN");
-        alarm_log.command = strdupz(edit_command);
-
-        alarm_log.duration = (time_t) sqlite3_column_int64(res, 6);
-        alarm_log.non_clear_duration = (time_t) sqlite3_column_int64(res, 7);
-        alarm_log.status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS) sqlite3_column_int(res, 19));
-        alarm_log.old_status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS) sqlite3_column_int(res, 20));
-        alarm_log.delay = (int) sqlite3_column_int(res, 21);
-        alarm_log.delay_up_to_timestamp = (time_t) sqlite3_column_int64(res, 10);
-        alarm_log.last_repeat = (time_t) sqlite3_column_int64(res, 24);
-        alarm_log.silenced = ((sqlite3_column_int64(res, 8) & HEALTH_ENTRY_FLAG_SILENCED) ||
-                              (sqlite3_column_type(res, 14) != SQLITE_NULL &&
-                               !strncmp((char *)sqlite3_column_text(res, 14), "silent", 6))) ?
-                                 1 :
-                                 0;
-        alarm_log.value_string =
-            sqlite3_column_type(res, 22) == SQLITE_NULL ?
-                strdupz((char *)"-") :
-                strdupz((char *)format_value_and_unit(
-                    new_value_string, 100, sqlite3_column_double(res, 22), (char *)sqlite3_column_text(res, 16), -1));
-        alarm_log.old_value_string =
-            sqlite3_column_type(res, 23) == SQLITE_NULL ?
-                strdupz((char *)"-") :
-                strdupz((char *)format_value_and_unit(
-                    old_value_string, 100, sqlite3_column_double(res, 23), (char *)sqlite3_column_text(res, 16), -1));
-        alarm_log.value = (NETDATA_DOUBLE) sqlite3_column_double(res, 22);
-        alarm_log.old_value = (NETDATA_DOUBLE) sqlite3_column_double(res, 23);
-        alarm_log.updated = (sqlite3_column_int64(res, 8) & HEALTH_ENTRY_FLAG_UPDATED) ? 1 : 0;
-        alarm_log.rendered_info = sqlite3_text_strdupz_empty(res, 17);
-        alarm_log.chart_context = sqlite3_text_strdupz_empty(res, 25);
-        alarm_log.transition_id = sqlite3_uuid_unparse_strdupz(res, 26);
-        alarm_log.event_id = (time_t) sqlite3_column_int64(res, 27);
-        alarm_log.chart_name = sqlite3_text_strdupz_empty(res, 28);
-        alarm_log.summary = sqlite3_text_strdupz_empty(res, 29);
-
-        aclk_send_alarm_log_entry(&alarm_log);
-
-        if (first_sequence_id == 0)
-            first_sequence_id  = (uint64_t) sqlite3_column_int64(res, 0);
-
-        if (wc->alerts_log_first_sequence_id == 0)
-            wc->alerts_log_first_sequence_id  = (uint64_t) sqlite3_column_int64(res, 0);
-
-        last_sequence_id = (uint64_t) sqlite3_column_int64(res, 0);
-        wc->alerts_log_last_sequence_id = (uint64_t) sqlite3_column_int64(res, 0);
-
-        destroy_alarm_log_entry(&alarm_log);
-        freez(edit_command);
-    }
-
-    if (first_sequence_id) {
-        buffer_flush(sql);
-        buffer_sprintf(
-            sql,
-            "UPDATE aclk_alert_%s SET date_submitted=unixepoch() "
-            "WHERE +date_submitted IS NULL AND sequence_id BETWEEN %" PRIu64 " AND %" PRIu64,
-            wc->uuid_str,
-            first_sequence_id,
-            last_sequence_id);
-
-        if (unlikely(db_execute(db_meta, buffer_tostring(sql))))
-            error_report("Failed to mark ACLK alert entries as submitted for host %s", rrdhost_hostname(wc->host));
-
-        // Mark to do one more check
-        rrdhost_flag_set(wc->host, RRDHOST_FLAG_ACLK_STREAM_ALERTS);
-
-    } else {
-        if (wc->alerts_log_first_sequence_id)
-            nd_log(NDLS_ACCESS, NDLP_DEBUG,
-                "ACLK RES [%s (%s)]: ALERTS SENT from %" PRIu64 " to %" PRIu64 "",
-                wc->node_id,
-                wc->host ? rrdhost_hostname(wc->host) : "N/A",
-                wc->alerts_log_first_sequence_id,
-                wc->alerts_log_last_sequence_id);
-        wc->alerts_log_first_sequence_id = 0;
-        wc->alerts_log_last_sequence_id = 0;
-    }
-
-done:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement to send alert entries from the database, rc = %d", rc);
-
-    freez(claim_id);
-    buffer_free(sql);
-#endif
-}
-
-void aclk_push_alert_events_for_all_hosts(void)
-{
-    RRDHOST *host;
-
-    dfe_start_reentrant(rrdhost_root_index, host) {
-        if (rrdhost_flag_check(host, RRDHOST_FLAG_ARCHIVED) ||
-            !rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS))
-            continue;
-
-        rrdhost_flag_clear(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS);
-
-        struct aclk_sync_cfg_t *wc = host->aclk_config;
-        if (likely(wc))
-            aclk_push_alert_event(wc);
-    }
-    dfe_done(host);
-}
-
-void sql_queue_existing_alerts_to_aclk(RRDHOST *host)
-{
-    sqlite3_stmt *res = NULL;
-    int rc;
-
-    struct aclk_sync_cfg_t *wc = host->aclk_config;
-
-    BUFFER *sql = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite);
-
-    rw_spinlock_write_lock(&host->health_log.spinlock);
-
-    buffer_sprintf(sql, "DELETE FROM aclk_alert_%s", wc->uuid_str);
-    if (unlikely(db_execute(db_meta, buffer_tostring(sql))))
-        goto skip;
-
-    buffer_flush(sql);
-
-    buffer_sprintf(
-        sql,
-        "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) "
-        "SELECT hld.unique_id alert_unique_id, unixepoch(), hld.unique_id alert_unique_id FROM health_log_detail hld, health_log hl "
-        "WHERE hld.new_status <> 0 AND hld.new_status <> -2 AND hl.health_log_id = hld.health_log_id AND hl.config_hash_id IS NOT NULL "
-        "AND hld.updated_by_id = 0 AND hl.host_id = @host_id ORDER BY hld.unique_id ASC ON CONFLICT (alert_unique_id) DO NOTHING",
-        wc->uuid_str);
-
-    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 queue existing alerts.");
-        goto skip;
-    }
-
-    rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind host_id for when trying to queue existing alerts.");
-        goto done;
-    }
-
-    rc = execute_insert(res);
-    if (unlikely(rc != SQLITE_DONE))
-        error_report("Failed to queue existing alerts, rc = %d", rc);
-    else
-        rrdhost_flag_set(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS);
-done:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement to queue existing alerts, rc = %d", rc);
-
-skip:
-    rw_spinlock_write_unlock(&host->health_log.spinlock);
-    buffer_free(sql);
-}
-
-void aclk_send_alarm_configuration(char *config_hash)
-{
-    if (unlikely(!config_hash))
-        return;
-
-    struct aclk_sync_cfg_t *wc = localhost->aclk_config;
-
-    if (unlikely(!wc))
-        return;
-
-    nd_log(NDLS_ACCESS, NDLP_DEBUG,
-        "ACLK REQ [%s (%s)]: Request to send alert config %s.",
-        wc->node_id,
-        wc->host ? rrdhost_hostname(wc->host) : "N/A",
-        config_hash);
-
-    aclk_push_alert_config(wc->node_id, config_hash);
-}
-
-#define SQL_SELECT_ALERT_CONFIG                                                                                        \
-    "SELECT alarm, template, on_key, class, type, component, os, hosts, plugin,"                                       \
-    "module, charts, lookup, every, units, green, red, calc, warn, crit, to_key, exec, delay, repeat, info,"           \
-    "options, host_labels, p_db_lookup_dimensions, p_db_lookup_method, p_db_lookup_options, p_db_lookup_after,"        \
-    "p_db_lookup_before, p_update_every, chart_labels, summary FROM alert_hash WHERE hash_id = @hash_id"
-
-void aclk_push_alert_config_event(char *node_id __maybe_unused, char *config_hash __maybe_unused)
-{
-#ifdef ENABLE_ACLK
-    int rc;
-
-    sqlite3_stmt *res = NULL;
-    struct aclk_sync_cfg_t *wc;
-
-    RRDHOST *host = find_host_by_node_id(node_id);
-
-    if (unlikely(!host || !(wc = host->aclk_config))) {
-        freez(config_hash);
-        freez(node_id);
-        return;
-    }
-
-    rc = sqlite3_prepare_v2(db_meta, SQL_SELECT_ALERT_CONFIG, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement when trying to fetch an alarm hash configuration");
-        return;
-    }
-
-    uuid_t hash_uuid;
-    if (uuid_parse(config_hash, hash_uuid))
-        return;
-
-    rc = sqlite3_bind_blob(res, 1, &hash_uuid , sizeof(hash_uuid), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK))
-        goto bind_fail;
-
-    struct aclk_alarm_configuration alarm_config;
-    struct provide_alarm_configuration p_alarm_config;
-    p_alarm_config.cfg_hash = NULL;
-
-    if (sqlite3_step_monitored(res) == SQLITE_ROW) {
-
-        int param = 0;
-        alarm_config.alarm = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.tmpl = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.on_chart = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.classification = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.type = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.component = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.os = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.hosts = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.plugin = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.module = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.charts = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.lookup = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.every = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.units = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.green = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.red = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.calculation_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.warning_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.critical_expr = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.recipient = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.exec = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.delay = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.repeat = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.info = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.options = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);
-        alarm_config.host_labels = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);  // Current param 25
-
-        alarm_config.p_db_lookup_dimensions = NULL;
-        alarm_config.p_db_lookup_method = NULL;
-        alarm_config.p_db_lookup_options = NULL;
-        alarm_config.p_db_lookup_after = 0;
-        alarm_config.p_db_lookup_before = 0;
-
-        if (sqlite3_column_bytes(res, 29) > 0) {
-
-            alarm_config.p_db_lookup_dimensions = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);  // Current param 26
-            alarm_config.p_db_lookup_method = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, param++);      // Current param 27
-            if (param != 28)
-                netdata_log_error("aclk_push_alert_config_event: Unexpected param number %d", param);
-
-            BUFFER *tmp_buf = buffer_create(1024, &netdata_buffers_statistics.buffers_sqlite);
-            buffer_data_options2string(tmp_buf, sqlite3_column_int(res, 28));
-            alarm_config.p_db_lookup_options = strdupz((char *)buffer_tostring(tmp_buf));
-            buffer_free(tmp_buf);
-
-            alarm_config.p_db_lookup_after = sqlite3_column_int(res, 29);
-            alarm_config.p_db_lookup_before = sqlite3_column_int(res, 30);
-        }
-
-        alarm_config.p_update_every = sqlite3_column_int(res, 31);
-
-        alarm_config.chart_labels = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, 32);
-        alarm_config.summary = SQLITE3_COLUMN_STRDUPZ_OR_NULL(res, 33);
-
-        p_alarm_config.cfg_hash = strdupz((char *) config_hash);
-        p_alarm_config.cfg = alarm_config;
-    }
-
-    if (likely(p_alarm_config.cfg_hash)) {
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK RES [%s (%s)]: Sent alert config %s.", wc->node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A", config_hash);
-        aclk_send_provide_alarm_cfg(&p_alarm_config);
-        freez(p_alarm_config.cfg_hash);
-        destroy_aclk_alarm_configuration(&alarm_config);
-    }
-    else
-        nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK STA [%s (%s)]: Alert config for %s not found.", wc->node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A", config_hash);
-
-bind_fail:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to reset statement when pushing alarm config hash, rc = %d", rc);
-
-    freez(config_hash);
-    freez(node_id);
-#endif
-}
-
-
-// Start streaming alerts
-void aclk_start_alert_streaming(char *node_id, bool resets)
-{
-    uuid_t node_uuid;
-
-    if (unlikely(!node_id || uuid_parse(node_id, node_uuid)))
-        return;
-
-    struct aclk_sync_cfg_t *wc;
-
-    RRDHOST *host = find_host_by_node_id(node_id);
-    if (unlikely(!host || !(wc = host->aclk_config)))
-        return;
-
-    if (unlikely(!host->health.health_enabled)) {
-        nd_log(NDLS_ACCESS, NDLP_NOTICE, "ACLK STA [%s (N/A)]: Ignoring request to stream alert state changes, health is disabled.", node_id);
-        return;
-    }
-
-    if (resets) {
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: STREAM ALERTS ENABLED (RESET REQUESTED)", node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A");
-        sql_queue_existing_alerts_to_aclk(host);
-    } else
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: STREAM ALERTS ENABLED", node_id, wc->host ? rrdhost_hostname(wc->host) : "N/A");
-
-    wc->alert_updates = 1;
-    wc->alert_queue_removed = SEND_REMOVED_AFTER_HEALTH_LOOPS;
-}
-
-#define SQL_QUEUE_REMOVE_ALERTS                                                                                                   \
-    "INSERT INTO aclk_alert_%s (alert_unique_id, date_created, filtered_alert_unique_id) "                                        \
-    "SELECT hld.unique_id alert_unique_id, UNIXEPOCH(), hld.unique_id alert_unique_id FROM health_log hl, health_log_detail hld " \
-    "WHERE hl.host_id = @host_id AND hl.health_log_id = hld.health_log_id AND hld.new_status = -2 AND hld.updated_by_id = 0 "     \
-    "AND hld.unique_id NOT IN (SELECT alert_unique_id FROM aclk_alert_%s) "                                                       \
-    "AND hl.config_hash_id NOT IN (SELECT hash_id FROM alert_hash WHERE warn IS NULL AND crit IS NULL) "                          \
-    "AND hl.name || hl.chart NOT IN (select name || chart FROM health_log WHERE name = hl.name AND "                              \
-    "chart = hl.chart AND alarm_id > hl.alarm_id AND host_id = hl.host_id) "                                                      \
-    "ORDER BY hld.unique_id ASC ON CONFLICT (alert_unique_id) DO NOTHING"
-
-void sql_process_queue_removed_alerts_to_aclk(char *node_id)
-{
-    struct aclk_sync_cfg_t *wc;
-    RRDHOST *host = find_host_by_node_id(node_id);
-    freez(node_id);
-
-    if (unlikely(!host || !(wc = host->aclk_config)))
-        return;
-
-    char sql[ACLK_SYNC_QUERY_SIZE * 2];
-    sqlite3_stmt *res = NULL;
-
-    snprintfz(sql, sizeof(sql) - 1, SQL_QUEUE_REMOVE_ALERTS, wc->uuid_str, wc->uuid_str);
-
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement when trying to queue removed alerts.");
-        return;
-    }
-
-    rc = sqlite3_bind_blob(res, 1, &host->host_uuid, sizeof(host->host_uuid), SQLITE_STATIC);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind host_id for when trying to queue remvoed alerts.");
-        goto skip;
-    }
-
-    rc = execute_insert(res);
-    if (likely(rc == SQLITE_DONE)) {
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK STA [%s (%s)]: QUEUED REMOVED ALERTS", wc->node_id, rrdhost_hostname(wc->host));
-        rrdhost_flag_set(wc->host, RRDHOST_FLAG_ACLK_STREAM_ALERTS);
-        wc->alert_queue_removed = 0;
-    }
-
-skip:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement to queue removed alerts, rc = %d", rc);
-}
-
-void sql_queue_removed_alerts_to_aclk(RRDHOST *host)
-{
-    if (unlikely(!host->aclk_config || !claimed() || !host->node_id))
-        return;
-
-    char node_id[UUID_STR_LEN];
-    uuid_unparse_lower(*host->node_id, node_id);
-
-    aclk_push_node_removed_alerts(node_id);
-}
-
-void aclk_process_send_alarm_snapshot(char *node_id, char *claim_id __maybe_unused, char *snapshot_uuid)
-{
-    uuid_t node_uuid;
-
-    if (unlikely(!node_id || uuid_parse(node_id, node_uuid)))
-        return;
-
-    struct aclk_sync_cfg_t *wc;
-
-    RRDHOST *host = find_host_by_node_id(node_id);
-    if (unlikely(!host || !(wc = host->aclk_config))) {
-        nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK STA [%s (N/A)]: ACLK node id does not exist", node_id);
-        return;
-    }
-
-    nd_log(NDLS_ACCESS, NDLP_DEBUG,
-            "IN [%s (%s)]: Request to send alerts snapshot, snapshot_uuid %s",
-            node_id,
-            wc->host ? rrdhost_hostname(wc->host) : "N/A",
-            snapshot_uuid);
-
-    if (wc->alerts_snapshot_uuid && !strcmp(wc->alerts_snapshot_uuid,snapshot_uuid))
-        return;
-
-    wc->alerts_snapshot_uuid = strdupz(snapshot_uuid);
-
-    aclk_push_node_alert_snapshot(node_id);
-}
-
-#ifdef ENABLE_ACLK
-void health_alarm_entry2proto_nolock(struct alarm_log_entry *alarm_log, ALARM_ENTRY *ae, RRDHOST *host)
-{
-    char *edit_command = ae->source ? health_edit_command_from_source(ae_source(ae)) : strdupz("UNKNOWN=0=UNKNOWN");
-    char config_hash_id[UUID_STR_LEN];
-    uuid_unparse_lower(ae->config_hash_id, config_hash_id);
-    char transition_id[UUID_STR_LEN];
-    uuid_unparse_lower(ae->transition_id, transition_id);
-
-    alarm_log->chart = strdupz(ae_chart_id(ae));
-    alarm_log->name = strdupz(ae_name(ae));
-
-    alarm_log->when = ae->when;
-
-    alarm_log->config_hash = strdupz((char *)config_hash_id);
-
-    alarm_log->utc_offset = host->utc_offset;
-    alarm_log->timezone = strdupz(rrdhost_abbrev_timezone(host));
-    alarm_log->exec_path = ae->exec ? strdupz(ae_exec(ae)) : strdupz((char *)string2str(host->health.health_default_exec));
-    alarm_log->conf_source = ae->source ? strdupz(ae_source(ae)) : strdupz((char *)"");
-
-    alarm_log->command = strdupz((char *)edit_command);
-
-    alarm_log->duration = (time_t)ae->duration;
-    alarm_log->non_clear_duration = (time_t)ae->non_clear_duration;
-    alarm_log->status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS)ae->new_status);
-    alarm_log->old_status = rrdcalc_status_to_proto_enum((RRDCALC_STATUS)ae->old_status);
-    alarm_log->delay = ae->delay;
-    alarm_log->delay_up_to_timestamp = (time_t)ae->delay_up_to_timestamp;
-    alarm_log->last_repeat = (time_t)ae->last_repeat;
-
-    alarm_log->silenced =
-        ((ae->flags & HEALTH_ENTRY_FLAG_SILENCED) || (ae->recipient && !strncmp(ae_recipient(ae), "silent", 6))) ?
-            1 :
-            0;
-
-    alarm_log->value_string = strdupz(ae_new_value_string(ae));
-    alarm_log->old_value_string = strdupz(ae_old_value_string(ae));
-
-    alarm_log->value = (!isnan(ae->new_value)) ? (NETDATA_DOUBLE)ae->new_value : 0;
-    alarm_log->old_value = (!isnan(ae->old_value)) ? (NETDATA_DOUBLE)ae->old_value : 0;
-
-    alarm_log->updated = (ae->flags & HEALTH_ENTRY_FLAG_UPDATED) ? 1 : 0;
-    alarm_log->rendered_info = strdupz(ae_info(ae));
-    alarm_log->chart_context = strdupz(ae_chart_context(ae));
-    alarm_log->chart_name = strdupz(ae_chart_name(ae));
-
-    alarm_log->transition_id = strdupz((char *)transition_id);
-    alarm_log->event_id = (uint64_t) ae->alarm_event_id;
-
-    alarm_log->summary = strdupz(ae_summary(ae));
-
-    freez(edit_command);
-}
-#endif
-
-#ifdef ENABLE_ACLK
-static bool have_recent_alarm(RRDHOST *host, int64_t alarm_id, int64_t mark)
-{
-    ALARM_ENTRY *ae = host->health_log.alarms;
-
-    while (ae) {
-        if (ae->alarm_id == alarm_id && ae->unique_id >mark &&
-            (ae->new_status != RRDCALC_STATUS_WARNING && ae->new_status != RRDCALC_STATUS_CRITICAL))
-            return true;
-        ae = ae->next;
-    }
-
-    return false;
-}
-#endif
-
-#define ALARM_EVENTS_PER_CHUNK 1000
-void aclk_push_alert_snapshot_event(char *node_id __maybe_unused)
-{
-#ifdef ENABLE_ACLK
-    RRDHOST *host = find_host_by_node_id(node_id);
-
-    if (unlikely(!host)) {
-    nd_log(NDLS_ACCESS, NDLP_WARNING, "AC [%s (N/A)]: Node id not found", node_id);
-        freez(node_id);
-        return;
-    }
-    freez(node_id);
-
-    struct aclk_sync_cfg_t *wc = host->aclk_config;
-
-    // we perhaps we don't need this for snapshots
-    if (unlikely(!wc->alert_updates)) {
-        nd_log(NDLS_ACCESS, NDLP_NOTICE,
-            "ACLK STA [%s (%s)]: Ignoring alert snapshot event, updates have been turned off for this node.",
-            wc->node_id,
-            wc->host ? rrdhost_hostname(wc->host) : "N/A");
-        return;
-    }
-
-    if (unlikely(!wc->alerts_snapshot_uuid))
-        return;
-
-    char *claim_id = get_agent_claimid();
-    if (unlikely(!claim_id))
-        return;
-
-    nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: Sending alerts snapshot, snapshot_uuid %s", wc->node_id, rrdhost_hostname(wc->host), wc->alerts_snapshot_uuid);
-
-    uint32_t cnt = 0;
-
-    rw_spinlock_read_lock(&host->health_log.spinlock);
-
-    ALARM_ENTRY *ae = host->health_log.alarms;
-
-    for (; ae; ae = ae->next) {
-        if (likely(ae->updated_by_id))
-            continue;
-
-        if (unlikely(ae->new_status == RRDCALC_STATUS_UNINITIALIZED))
-            continue;
-
-        if (have_recent_alarm(host, ae->alarm_id, ae->unique_id))
-            continue;
-
-        if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid))
-            continue;
-
-        cnt++;
-    }
-
-    if (cnt) {
-        uint32_t chunks;
-
-        chunks = (cnt / ALARM_EVENTS_PER_CHUNK) + (cnt % ALARM_EVENTS_PER_CHUNK != 0);
-        ae = host->health_log.alarms;
-
-        cnt = 0;
-        struct alarm_snapshot alarm_snap;
-        alarm_snap.node_id = wc->node_id;
-        alarm_snap.claim_id = claim_id;
-        alarm_snap.snapshot_uuid = wc->alerts_snapshot_uuid;
-        alarm_snap.chunks = chunks;
-        alarm_snap.chunk = 1;
-
-        alarm_snapshot_proto_ptr_t snapshot_proto = NULL;
-
-        for (; ae; ae = ae->next) {
-            if (likely(ae->updated_by_id) || unlikely(ae->new_status == RRDCALC_STATUS_UNINITIALIZED))
-                continue;
-
-            if (have_recent_alarm(host, ae->alarm_id, ae->unique_id))
-                continue;
-
-            if (is_event_from_alert_variable_config(ae->unique_id, &host->host_uuid))
-                continue;
-
-            cnt++;
-
-            struct alarm_log_entry alarm_log;
-            alarm_log.node_id = wc->node_id;
-            alarm_log.claim_id = claim_id;
-
-            if (!snapshot_proto)
-                snapshot_proto = generate_alarm_snapshot_proto(&alarm_snap);
-
-            health_alarm_entry2proto_nolock(&alarm_log, ae, host);
-            add_alarm_log_entry2snapshot(snapshot_proto, &alarm_log);
-
-            if (cnt == ALARM_EVENTS_PER_CHUNK) {
-                aclk_send_alarm_snapshot(snapshot_proto);
-                cnt = 0;
-                if (alarm_snap.chunk < chunks) {
-                    alarm_snap.chunk++;
-                    snapshot_proto = generate_alarm_snapshot_proto(&alarm_snap);
-                }
-            }
-            destroy_alarm_log_entry(&alarm_log);
-        }
-        if (cnt)
-            aclk_send_alarm_snapshot(snapshot_proto);
-    }
-
-    rw_spinlock_read_unlock(&host->health_log.spinlock);
-    wc->alerts_snapshot_uuid = NULL;
-
-    freez(claim_id);
-#endif
-}
-
-#define SQL_DELETE_ALERT_ENTRIES "DELETE FROM aclk_alert_%s WHERE date_created < UNIXEPOCH() - @period"
-
-void sql_aclk_alert_clean_dead_entries(RRDHOST *host)
-{
-    struct aclk_sync_cfg_t *wc = host->aclk_config;
-    if (unlikely(!wc))
-        return;
-
-    char sql[ACLK_SYNC_QUERY_SIZE];
-    snprintfz(sql, sizeof(sql) - 1, SQL_DELETE_ALERT_ENTRIES, wc->uuid_str);
-
-    sqlite3_stmt *res = NULL;
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement for cleaning stale ACLK alert entries.");
-        return;
-    }
-
-    rc = sqlite3_bind_int64(res, 1, MAX_REMOVED_PERIOD);
-    if (unlikely(rc != SQLITE_OK)) {
-        error_report("Failed to bind MAX_REMOVED_PERIOD parameter.");
-        goto skip;
-    }
-
-    rc = sqlite3_step_monitored(res);
-    if (rc != SQLITE_DONE)
-        error_report("Failed to execute DELETE query for cleaning stale ACLK alert entries.");
-
-skip:
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement for cleaning stale ACLK alert entries.");
-}
-
-#define SQL_GET_MIN_MAX_ALERT_SEQ "SELECT MIN(sequence_id), MAX(sequence_id), " \
-                                  "(SELECT MAX(sequence_id) FROM aclk_alert_%s WHERE date_submitted IS NOT NULL) " \
-                                  "FROM aclk_alert_%s WHERE date_submitted IS NULL"
-int get_proto_alert_status(RRDHOST *host, struct proto_alert_status *proto_alert_status)
-{
-
-    struct aclk_sync_cfg_t *wc = host->aclk_config;
-    if (!wc)
-        return 1;
-
-    proto_alert_status->alert_updates = wc->alert_updates;
-
-    char sql[ACLK_SYNC_QUERY_SIZE];
-
-    sqlite3_stmt *res = NULL;
-    snprintfz(sql, sizeof(sql) - 1, SQL_GET_MIN_MAX_ALERT_SEQ, wc->uuid_str, wc->uuid_str);
-
-    int rc = sqlite3_prepare_v2(db_meta, sql, -1, &res, 0);
-    if (rc != SQLITE_OK) {
-        error_report("Failed to prepare statement to get alert log status from the database.");
-        return 1;
-    }
-
-    while (sqlite3_step_monitored(res) == SQLITE_ROW) {
-        proto_alert_status->pending_min_sequence_id =
-            sqlite3_column_bytes(res, 0) > 0 ? (uint64_t)sqlite3_column_int64(res, 0) : 0;
-        proto_alert_status->pending_max_sequence_id =
-            sqlite3_column_bytes(res, 1) > 0 ? (uint64_t)sqlite3_column_int64(res, 1) : 0;
-        proto_alert_status->last_submitted_sequence_id =
-            sqlite3_column_bytes(res, 2) > 0 ? (uint64_t)sqlite3_column_int64(res, 2) : 0;
-    }
-
-    rc = sqlite3_finalize(res);
-    if (unlikely(rc != SQLITE_OK))
-        error_report("Failed to finalize statement to get alert log status from the database, rc = %d", rc);
-
-    return 0;
-}
-
-void aclk_send_alarm_checkpoint(char *node_id, char *claim_id __maybe_unused)
-{
-    if (unlikely(!node_id))
-        return;
-
-    struct aclk_sync_cfg_t *wc;
-    RRDHOST *host = find_host_by_node_id(node_id);
-
-    if (unlikely(!host || !(wc = host->aclk_config)))
-        nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT REQUEST RECEIVED FOR INVALID NODE", node_id);
-    else {
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK REQ [%s (%s)]: ALERTS CHECKPOINT REQUEST RECEIVED", node_id, rrdhost_hostname(host));
-        wc->alert_checkpoint_req = SEND_CHECKPOINT_AFTER_HEALTH_LOOPS;
-    }
-}
-
-typedef struct active_alerts {
-    char *name;
-    char *chart;
-    RRDCALC_STATUS status;
-} active_alerts_t;
-
-static inline int compare_active_alerts(const void *a, const void *b)
-{
-    active_alerts_t *active_alerts_a = (active_alerts_t *)a;
-    active_alerts_t *active_alerts_b = (active_alerts_t *)b;
-
-    if (!(strcmp(active_alerts_a->name, active_alerts_b->name))) {
-        return strcmp(active_alerts_a->chart, active_alerts_b->chart);
-    } else
-        return strcmp(active_alerts_a->name, active_alerts_b->name);
-}
-
-#define BATCH_ALLOCATED 10
-void aclk_push_alarm_checkpoint(RRDHOST *host __maybe_unused)
-{
-#ifdef ENABLE_ACLK
-    struct aclk_sync_cfg_t *wc = host->aclk_config;
-    if (unlikely(!wc)) {
-        nd_log(NDLS_ACCESS, NDLP_WARNING, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT REQUEST RECEIVED FOR INVALID NODE", rrdhost_hostname(host));
-        return;
-    }
-
-    if (rrdhost_flag_check(host, RRDHOST_FLAG_ACLK_STREAM_ALERTS)) {
-        //postpone checkpoint send
-        wc->alert_checkpoint_req += 3;
-        nd_log(NDLS_ACCESS, NDLP_NOTICE, "ACLK REQ [%s (N/A)]: ALERTS CHECKPOINT POSTPONED", rrdhost_hostname(host));
-        return;
-    }
-
-    RRDCALC *rc;
-    uint32_t cnt = 0;
-    size_t len = 0;
-
-    active_alerts_t *active_alerts = callocz(BATCH_ALLOCATED, sizeof(active_alerts_t));
-    foreach_rrdcalc_in_rrdhost_read(host, rc) {
-        if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec))
-            continue;
-
-        if (rc->status == RRDCALC_STATUS_WARNING ||
-            rc->status == RRDCALC_STATUS_CRITICAL) {
-
-            if (cnt && !(cnt % BATCH_ALLOCATED)) {
-                active_alerts = reallocz(active_alerts, (BATCH_ALLOCATED * ((cnt / BATCH_ALLOCATED) + 1)) * sizeof(active_alerts_t));
-            }
-
-            active_alerts[cnt].name = (char *)rrdcalc_name(rc);
-            len += string_strlen(rc->name);
-            active_alerts[cnt].chart = (char *)rrdcalc_chart_name(rc);
-            len += string_strlen(rc->chart);
-            active_alerts[cnt].status = rc->status;
-            len++;
-            cnt++;
-        }
-    }
-    foreach_rrdcalc_in_rrdhost_done(rc);
-
-    BUFFER *alarms_to_hash;
-    if (cnt) {
-        qsort(active_alerts, cnt, sizeof(active_alerts_t), compare_active_alerts);
-
-        alarms_to_hash = buffer_create(len, NULL);
-        for (uint32_t i = 0; i < cnt; i++) {
-            buffer_strcat(alarms_to_hash, active_alerts[i].name);
-            buffer_strcat(alarms_to_hash, active_alerts[i].chart);
-            if (active_alerts[i].status == RRDCALC_STATUS_WARNING)
-                buffer_fast_strcat(alarms_to_hash, "W", 1);
-            else if (active_alerts[i].status == RRDCALC_STATUS_CRITICAL)
-                buffer_fast_strcat(alarms_to_hash, "C", 1);
-        }
-    } else {
-        alarms_to_hash = buffer_create(1, NULL);
-        buffer_strcat(alarms_to_hash, "");
-        len = 0;
-    }
-    freez(active_alerts);
-
-    char hash[SHA256_DIGEST_LENGTH + 1];
-    if (hash256_string((const unsigned char *)buffer_tostring(alarms_to_hash), len, hash)) {
-        hash[SHA256_DIGEST_LENGTH] = 0;
-
-        struct alarm_checkpoint alarm_checkpoint;
-        char *claim_id = get_agent_claimid();
-        alarm_checkpoint.claim_id = claim_id;
-        alarm_checkpoint.node_id = wc->node_id;
-        alarm_checkpoint.checksum = (char *)hash;
-
-        aclk_send_provide_alarm_checkpoint(&alarm_checkpoint);
-        freez(claim_id);
-        nd_log(NDLS_ACCESS, NDLP_DEBUG, "ACLK RES [%s (%s)]: ALERTS CHECKPOINT SENT", wc->node_id, rrdhost_hostname(host));
-    } else
-        nd_log(NDLS_ACCESS, NDLP_ERR, "ACLK RES [%s (%s)]: FAILED TO CREATE ALERTS CHECKPOINT HASH", wc->node_id, rrdhost_hostname(host));
-
-    wc->alert_checkpoint_req = 0;
-    buffer_free(alarms_to_hash);
-#endif
-}