58 lines
2.0 KiB
Bash
58 lines
2.0 KiB
Bash
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#!/usr/bin/env bash
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# Weekly restore test — proves backups are actually restorable, not just
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# byte-streams that look like backups. Restores latest backup into a
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# temporary DB inside the same Postgres container, runs a schema check,
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# then drops the temp DB.
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#
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# Cron: 30 4 * * 0 root /opt/bmm-ops/restore-test.sh (Sundays 04:30 UTC)
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set -uo pipefail
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BACKUP_DIR="/var/backups/bmm"
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LOG_FILE="/var/log/bmm-backup.log"
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NOTIFY="/opt/bmm-ops/notify.sh"
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PG_USER="bmm"
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CONTAINER="bmm-postgres"
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TEMP_DB="bmm_restore_test_$(date +%s)"
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TS=$(date -u +%Y-%m-%dT%H:%M:%SZ)
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log() { echo "[${TS}] restore-test: $*" >> "$LOG_FILE"; }
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fail() {
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log "FAIL: $*"
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docker exec "$CONTAINER" psql -U "$PG_USER" -d postgres -c "DROP DATABASE IF EXISTS ${TEMP_DB}" >/dev/null 2>&1
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"$NOTIFY" "restore-test-failed" "$*"
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exit 1
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}
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# Find newest backup
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LATEST=$(ls -t "${BACKUP_DIR}"/bmm-*.sql.gz 2>/dev/null | head -1)
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if [ -z "$LATEST" ] || [ ! -f "$LATEST" ]; then
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fail "no backup found in ${BACKUP_DIR}"
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fi
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log "testing restore from: $LATEST"
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# Create temp DB
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if ! docker exec "$CONTAINER" psql -U "$PG_USER" -d postgres -c "CREATE DATABASE ${TEMP_DB}" >/dev/null 2>&1; then
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fail "could not create temp DB ${TEMP_DB}"
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fi
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# Restore — pipe through container stdin
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if ! gunzip -c "$LATEST" | docker exec -i "$CONTAINER" psql -U "$PG_USER" -d "$TEMP_DB" >/dev/null 2>>"$LOG_FILE"; then
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fail "psql restore failed for $LATEST"
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fi
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# Schema sanity — expect the core tables to exist (adjust if schema evolves)
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EXPECTED_TABLES="users sessions oauth_tokens mcp_servers"
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for tbl in $EXPECTED_TABLES; do
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COUNT=$(docker exec "$CONTAINER" psql -U "$PG_USER" -d "$TEMP_DB" -tAc "SELECT count(*) FROM information_schema.tables WHERE table_name='${tbl}'" 2>>"$LOG_FILE")
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if [ "$COUNT" != "1" ]; then
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fail "restored DB missing expected table: ${tbl}"
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fi
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done
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# Drop temp DB
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docker exec "$CONTAINER" psql -U "$PG_USER" -d postgres -c "DROP DATABASE ${TEMP_DB}" >/dev/null 2>&1
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log "ok — $LATEST restores cleanly, schema validates"
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exit 0
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