feat(scripts): add reload-prod-logs.sh for prod→dev data sync
Exports http_logs from prod ClickHouse via HTTP API, imports into dev with dynamic date shifting (max(time) → now() by default). Features: - Batch export in Native format (200K rows/batch, ~10s each) - Auto date shift: prod max(time) aligned to current time - --shift N: manual override (seconds) - --days N: filter to last N days only - --cron: silent mode for scheduled runs - Staging table approach: export → staging → INSERT SELECT with shift → cleanup Tested: 3,054,122 rows imported in ~3 minutes, dates 2026-04-03→2026-04-09. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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scripts/reload-prod-logs.sh
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scripts/reload-prod-logs.sh
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#!/usr/bin/env bash
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# =============================================================================
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# reload-prod-logs.sh — Exporte les http_logs de prod et les réimporte dans la
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# DB de dev avec un décalage de date dynamique.
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#
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# Usage:
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# ./scripts/reload-prod-logs.sh # décalage auto (max(time) → now)
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# ./scripts/reload-prod-logs.sh --shift 3600 # décalage de 3600 secondes
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# ./scripts/reload-prod-logs.sh --days 7 # n'exporte que les N derniers jours
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# ./scripts/reload-prod-logs.sh --cron # mode silencieux (pour crontab)
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#
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# Variables d'environnement :
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# PROD_CH_HOST Host ClickHouse de prod (défaut: test-sdv-anubis.sdv.fr)
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# PROD_CH_PORT Port HTTP de prod (défaut: 8123)
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# PROD_CH_USER Utilisateur prod (défaut: admin)
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# PROD_CH_PASSWORD Mot de passe prod (défaut: SuperPassword123!)
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# PROD_CH_DB Base de données prod (défaut: mabase_prod)
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# DEV_CONTAINER Nom du conteneur ClickHouse dev (défaut: integration-clickhouse-1)
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# DEV_DB_LOGS Base de données dev logs (défaut: ja4_logs)
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# BATCH_SIZE Nombre de lignes par batch (défaut: 200000)
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# =============================================================================
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set -euo pipefail
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# ── Configuration ────────────────────────────────────────────────────────────
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PROD_CH_HOST="${PROD_CH_HOST:-test-sdv-anubis.sdv.fr}"
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PROD_CH_PORT="${PROD_CH_PORT:-8123}"
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PROD_CH_USER="${PROD_CH_USER:-admin}"
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PROD_CH_PASSWORD="${PROD_CH_PASSWORD:-SuperPassword123!}"
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PROD_CH_DB="${PROD_CH_DB:-mabase_prod}"
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DEV_CONTAINER="${DEV_CONTAINER:-integration-clickhouse-1}"
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DEV_DB_LOGS="${DEV_DB_LOGS:-ja4_logs}"
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BATCH_SIZE="${BATCH_SIZE:-200000}"
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SHIFT_SECONDS=""
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DAYS_FILTER=""
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CRON_MODE=false
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# ── Parsing des arguments ────────────────────────────────────────────────────
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--shift) SHIFT_SECONDS="$2"; shift 2 ;;
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--days) DAYS_FILTER="$2"; shift 2 ;;
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--cron) CRON_MODE=true; shift ;;
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-h|--help)
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head -15 "$0" | grep -E '^#' | sed 's/^# \?//'
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exit 0
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;;
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*) echo "Option inconnue : $1"; exit 1 ;;
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esac
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done
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TMPDIR="${TMPDIR:-/tmp}"
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EXPORT_FILE="${TMPDIR}/prod_http_logs_export.native"
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LOG_PREFIX="[reload-prod-logs]"
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log() {
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if [ "$CRON_MODE" = false ]; then
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echo "${LOG_PREFIX} $(date '+%H:%M:%S') $*"
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fi
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}
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err() {
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echo "${LOG_PREFIX} ERREUR: $*" >&2
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exit 1
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}
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# ── Fonctions utilitaires ────────────────────────────────────────────────────
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prod_query() {
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# Exécute une requête sur le CH de prod et retourne le résultat
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curl -sf \
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-H "X-ClickHouse-User: ${PROD_CH_USER}" \
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-H "X-ClickHouse-Key: ${PROD_CH_PASSWORD}" \
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"http://${PROD_CH_HOST}:${PROD_CH_PORT}/" \
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--data-binary "$1"
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}
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prod_query_to_file() {
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# Exécute une requête sur le CH de prod et écrit la sortie dans un fichier
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curl -sf \
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-H "X-ClickHouse-User: ${PROD_CH_USER}" \
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-H "X-ClickHouse-Key: ${PROD_CH_PASSWORD}" \
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"http://${PROD_CH_HOST}:${PROD_CH_PORT}/" \
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--data-binary "$1" \
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-o "$2"
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}
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dev_query() {
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# Exécute une requête sur le CH de dev
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docker exec -i "${DEV_CONTAINER}" clickhouse-client --query "$1"
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}
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dev_insert_native() {
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# Insère des données au format Native dans le CH de dev
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docker exec -i "${DEV_CONTAINER}" clickhouse-client \
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--query "INSERT INTO ${DEV_DB_LOGS}._staging_prod_import FORMAT Native" < "$1"
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}
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# ── Vérifications ────────────────────────────────────────────────────────────
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log "Vérification de la connexion à prod (${PROD_CH_HOST})…"
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PROD_COUNT=$(prod_query "SELECT count() FROM ${PROD_CH_DB}.http_logs") \
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|| err "Impossible de contacter le ClickHouse de prod"
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log " Prod : ${PROD_COUNT} lignes dans http_logs"
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log "Vérification du conteneur dev (${DEV_CONTAINER})…"
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DEV_COUNT=$(dev_query "SELECT count() FROM ${DEV_DB_LOGS}.http_logs") \
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|| err "Impossible de contacter le ClickHouse de dev"
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log " Dev : ${DEV_COUNT} lignes dans http_logs"
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# ── Calcul du décalage de date ───────────────────────────────────────────────
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if [ -z "${SHIFT_SECONDS}" ]; then
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# Calcul automatique : on décale pour que max(time) de prod = now()
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PROD_MAX_TS=$(prod_query "SELECT toUnixTimestamp(max(time)) FROM ${PROD_CH_DB}.http_logs")
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NOW_TS=$(date +%s)
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SHIFT_SECONDS=$(( NOW_TS - PROD_MAX_TS ))
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log "Décalage auto : ${SHIFT_SECONDS}s (prod max → now)"
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fi
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log "Décalage appliqué : ${SHIFT_SECONDS} secondes ($(( SHIFT_SECONDS / 3600 ))h)"
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# ── Filtre temporel ──────────────────────────────────────────────────────────
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WHERE_CLAUSE=""
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if [ -n "${DAYS_FILTER}" ]; then
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WHERE_CLAUSE="WHERE time >= now() - toIntervalDay(${DAYS_FILTER})"
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log "Filtre : ${DAYS_FILTER} derniers jours"
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fi
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# ── Création de la table de staging ──────────────────────────────────────────
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log "Création de la table de staging…"
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dev_query "DROP TABLE IF EXISTS ${DEV_DB_LOGS}._staging_prod_import"
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dev_query "CREATE TABLE ${DEV_DB_LOGS}._staging_prod_import AS ${DEV_DB_LOGS}.http_logs ENGINE = MergeTree() ORDER BY (time, src_ip) SETTINGS index_granularity = 8192"
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# ── Export par batch ─────────────────────────────────────────────────────────
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# Compter les lignes à exporter
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EXPORT_COUNT=$(prod_query "SELECT count() FROM ${PROD_CH_DB}.http_logs ${WHERE_CLAUSE}")
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log "Export de ${EXPORT_COUNT} lignes en batches de ${BATCH_SIZE}…"
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NUM_BATCHES=$(( (EXPORT_COUNT + BATCH_SIZE - 1) / BATCH_SIZE ))
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TOTAL_IMPORTED=0
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for (( i=0; i<NUM_BATCHES; i++ )); do
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OFFSET=$(( i * BATCH_SIZE ))
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log " Batch $((i+1))/${NUM_BATCHES} (offset=${OFFSET})…"
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# Toutes les colonnes dans l'ordre du schéma
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QUERY="SELECT * FROM ${PROD_CH_DB}.http_logs ${WHERE_CLAUSE} ORDER BY time, src_ip LIMIT ${BATCH_SIZE} OFFSET ${OFFSET} FORMAT Native"
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prod_query_to_file "${QUERY}" "${EXPORT_FILE}" \
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|| err "Export batch $((i+1)) échoué"
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FILE_SIZE=$(stat -c%s "${EXPORT_FILE}" 2>/dev/null || stat -f%z "${EXPORT_FILE}" 2>/dev/null || echo 0)
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if [ "${FILE_SIZE}" -eq 0 ]; then
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log " Batch vide, arrêt."
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break
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fi
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dev_insert_native "${EXPORT_FILE}" \
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|| err "Import batch $((i+1)) échoué"
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BATCH_ROWS=$(dev_query "SELECT count() FROM ${DEV_DB_LOGS}._staging_prod_import" )
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BATCH_IMPORTED=$(( BATCH_ROWS - TOTAL_IMPORTED ))
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TOTAL_IMPORTED=${BATCH_ROWS}
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log " → ${BATCH_IMPORTED} lignes importées (total staging: ${TOTAL_IMPORTED})"
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rm -f "${EXPORT_FILE}"
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done
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log "Staging terminé : ${TOTAL_IMPORTED} lignes."
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# ── Insertion avec décalage de date ──────────────────────────────────────────
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log "Nettoyage de la table cible (données de prod précédentes)…"
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# On identifie les données de prod importées par le décalage — on tronque tout
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# car les données de dev sont générées par le traffic seeder / intégration
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dev_query "TRUNCATE TABLE ${DEV_DB_LOGS}.http_logs"
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log "Insertion avec décalage de ${SHIFT_SECONDS}s dans ${DEV_DB_LOGS}.http_logs…"
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dev_query "
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INSERT INTO ${DEV_DB_LOGS}.http_logs
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SELECT
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time + toIntervalSecond(${SHIFT_SECONDS}) AS time,
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toDate(time + toIntervalSecond(${SHIFT_SECONDS})) AS log_date,
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src_ip, src_port, dst_ip, dst_port,
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src_asn, src_country_code, src_as_name, src_org, src_domain,
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method, scheme, host, path, query, http_version,
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orphan_side, correlated, keepalives,
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a_timestamp, b_timestamp, conn_id,
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ip_meta_df, ip_meta_id, ip_meta_total_length, ip_meta_ttl,
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tcp_meta_options, tcp_meta_window_size, tcp_meta_mss, tcp_meta_window_scale,
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syn_to_clienthello_ms,
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tls_version, tls_sni, tls_alpn, ja3, ja3_hash, ja4,
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client_headers,
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header_user_agent, header_accept, header_accept_encoding, header_accept_language,
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header_content_type, header_x_request_id, header_x_trace_id, header_x_forwarded_for,
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header_sec_ch_ua, header_sec_ch_ua_mobile, header_sec_ch_ua_platform,
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header_sec_fetch_dest, header_sec_fetch_mode, header_sec_fetch_site,
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anubis_bot_name, anubis_bot_action, anubis_bot_category
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FROM ${DEV_DB_LOGS}._staging_prod_import
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"
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FINAL_COUNT=$(dev_query "SELECT count() FROM ${DEV_DB_LOGS}.http_logs")
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FINAL_MIN=$(dev_query "SELECT min(time) FROM ${DEV_DB_LOGS}.http_logs")
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FINAL_MAX=$(dev_query "SELECT max(time) FROM ${DEV_DB_LOGS}.http_logs")
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log "Nettoyage de la table de staging…"
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dev_query "DROP TABLE IF EXISTS ${DEV_DB_LOGS}._staging_prod_import"
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rm -f "${EXPORT_FILE}"
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# ── Résultat ─────────────────────────────────────────────────────────────────
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log "════════════════════════════════════════════════════"
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log " Import terminé : ${FINAL_COUNT} lignes dans ${DEV_DB_LOGS}.http_logs"
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log " Plage : ${FINAL_MIN} → ${FINAL_MAX}"
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log " Décalage appliqué : ${SHIFT_SECONDS}s"
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log "════════════════════════════════════════════════════"
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