import DB z druhe instance
This commit is contained in:
55
scripts/export_ems_db.sh
Executable file
55
scripts/export_ems_db.sh
Executable file
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#!/usr/bin/env bash
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# Export databáze EMS z lokálního Docker Compose (služba db musí běžet).
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#
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# Použití (z kořene repa, kde je docker-compose.yml a .env):
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# ./scripts/export_ems_db.sh
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# ./scripts/export_ems_db.sh ~/zálohy/ems.dump
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#
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# Výstup: pg_dump -Fc (custom format) – vhodné pro pg_restore na server.
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# Volitelně: COMPOSE_FILE, ENV_FILE (cesty k compose / .env).
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
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cd "$REPO_ROOT"
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COMPOSE_FILE="${COMPOSE_FILE:-docker-compose.yml}"
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ENV_FILE="${ENV_FILE:-.env}"
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if [[ ! -f "$COMPOSE_FILE" ]]; then
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echo "ERROR: compose file not found: $COMPOSE_FILE" >&2
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exit 1
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fi
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if [[ -f "$ENV_FILE" ]]; then
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set -a
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# shellcheck disable=SC1090
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source "$ENV_FILE"
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set +a
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else
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echo "WARN: $ENV_FILE missing – DB_USER / DB_PASSWORD musí být v prostředí" >&2
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fi
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: "${DB_USER:?Set DB_USER in .env or environment}"
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: "${DB_PASSWORD:?Set DB_PASSWORD in .env or environment}"
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OUT="${1:-./ems_backup_$(date +%Y%m%d_%H%M%S).dump}"
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OUT="$(cd "$(dirname "$OUT")" && pwd)/$(basename "$OUT")"
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if ! docker compose -f "$COMPOSE_FILE" ps --status running -q db | grep -q .; then
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echo "ERROR: služba db neběží. Spusť: docker compose -f $COMPOSE_FILE up -d db" >&2
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exit 1
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fi
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echo "Exportuji ems -> $OUT"
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docker compose -f "$COMPOSE_FILE" exec -T \
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-e "PGPASSWORD=${DB_PASSWORD}" \
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db \
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pg_dump -U "$DB_USER" -d ems -Fc --no-owner --no-acl -f /tmp/ems_export.dump
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docker compose -f "$COMPOSE_FILE" cp "db:/tmp/ems_export.dump" "$OUT"
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docker compose -f "$COMPOSE_FILE" exec -T db rm -f /tmp/ems_export.dump
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echo "Hotovo: $OUT"
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echo "Na server: scp \"$OUT\" user@server:/tmp/ems.dump"
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77
scripts/import_ems_db.sh
Executable file
77
scripts/import_ems_db.sh
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@@ -0,0 +1,77 @@
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#!/usr/bin/env bash
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# Import zálohy EMS (pg_dump -Fc) do Postgresu v Dockeru na serveru.
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#
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# Předpoklad: čerstvý volume nebo vědomá obnova přes existující data.
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# Spouštěj na serveru z /opt/ems-deploy (nebo nastav EMS_DEPLOY_ROOT).
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#
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# Postup (nová instance, ještě bez plného stacku):
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# 1) /opt/ems-deploy/.env vyplněné (DB_USER, DB_PASSWORD stejné jako v cílové DB – po initu db)
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# 2) docker compose -f /opt/ems-deploy/docker-compose.yml --env-file /opt/ems-deploy/.env up -d db
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# 3) Počkej na healthy: docker compose ... ps
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# 4) bash app/scripts/import_ems_db.sh /tmp/ems.dump
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# 5) Celý stack: /opt/ems-deploy/deploy.sh (nebo docker compose up -d)
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#
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# Volby prostředí:
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# EMS_DEPLOY_ROOT=/opt/ems-deploy (výchozí)
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# COMPOSE_FILE, ENV_FILE – přepíšou cesty k souborům
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#
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# Poznámky:
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# - Záloha musí být z podobného stacku (Postgres 16 + Timescale). Jiná major verze může selhat.
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# - Dump by měl obsahovat i Flyway metadata (tabulku historie), jinak při dalším startu Flyway znovu spustí migrace a může spadnout.
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set -euo pipefail
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ROOT="${EMS_DEPLOY_ROOT:-/opt/ems-deploy}"
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COMPOSE_FILE="${COMPOSE_FILE:-$ROOT/docker-compose.yml}"
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ENV_FILE="${ENV_FILE:-$ROOT/.env}"
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if [[ $# -lt 1 ]]; then
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echo "Usage: $0 /cesta/k/ems.dump" >&2
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exit 1
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fi
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DUMP="$(readlink -f "$1")"
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if [[ ! -f "$DUMP" ]]; then
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echo "ERROR: soubor neexistuje: $DUMP" >&2
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exit 1
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fi
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if [[ ! -f "$COMPOSE_FILE" ]]; then
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echo "ERROR: compose not found: $COMPOSE_FILE" >&2
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exit 1
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fi
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if [[ ! -f "$ENV_FILE" ]]; then
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echo "ERROR: .env not found: $ENV_FILE" >&2
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exit 1
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fi
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set -a
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# shellcheck disable=SC1090
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source "$ENV_FILE"
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set +a
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: "${DB_USER:?DB_USER missing in $ENV_FILE}"
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: "${DB_PASSWORD:?DB_PASSWORD missing in $ENV_FILE}"
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cd "$ROOT"
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if ! docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" ps --status running -q db | grep -q .; then
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echo "ERROR: db neběží. Spusť jen databázi, např.:" >&2
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echo " docker compose -f \"$COMPOSE_FILE\" --env-file \"$ENV_FILE\" up -d db" >&2
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exit 1
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fi
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CID="$(docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" ps -q db)"
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echo "Kopíruji dump do kontejneru..."
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docker cp "$DUMP" "${CID}:/tmp/ems_import.dump"
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echo "Obnovuji databázi ems (--clean smaže existující objekty ve schématech ze zálohy)..."
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docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" exec -T \
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-e "PGPASSWORD=${DB_PASSWORD}" \
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db \
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pg_restore -U "$DB_USER" -d ems --clean --if-exists --no-owner --no-acl --verbose /tmp/ems_import.dump
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docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" exec -T db rm -f /tmp/ems_import.dump
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echo "Import dokončen. Spusť zbytek stacku (deploy.sh nebo docker compose up -d)."
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