Phase 06 Tier 1: Complete Backend Implementation - Recovery Tracking & Swap System
COMPLETED TASKS: ✅ 06-01: Workout Swap System - Added swapped_from_id to workout_logs - Created workout_swaps table for history - POST /api/workouts/:id/swap endpoint - GET /api/workouts/available endpoint - Reversible swaps with audit trail ✅ 06-02: Muscle Group Recovery Tracking - Created muscle_group_recovery table - Implemented calculateRecoveryScore() function - GET /api/recovery/muscle-groups endpoint - GET /api/recovery/most-recovered endpoint - Auto-tracking on workout log completion ✅ 06-03: Smart Workout Recommendations - GET /api/recommendations/smart-workout endpoint - 7-day workout analysis algorithm - Recovery-based filtering (>30% threshold) - Top 3 recommendations with context - Context-aware reasoning messages DATABASE CHANGES: - Added 4 new tables: muscle_group_recovery, workout_swaps, custom_workouts, custom_workout_exercises - Extended workout_logs with: swapped_from_id, source_type, custom_workout_id, custom_workout_exercise_id - Created 7 new indexes for performance IMPLEMENTATION: - Recovery service with 4 core functions - 2 new route handlers (recovery, smartRecommendations) - Updated workouts router with swap endpoints - Integrated recovery tracking into POST /api/logs - Full error handling and logging TESTING: - Test file created: /backend/test/phase-06-tests.js - Ready for E2E and staging validation STATUS: Ready for frontend integration and production review Branch: feature/06-phase-06
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#!/bin/bash
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# Failback to Primary Region Script for Gravl
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set -euo pipefail
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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log_info() { echo -e "${BLUE}[$(date '+%Y-%m-%d %H:%M:%S')]${NC} INFO: $*" >&2; }
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log_success() { echo -e "${GREEN}[$(date '+%Y-%m-%d %H:%M:%S')]${NC} SUCCESS: $*" >&2; }
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log_warn() { echo -e "${YELLOW}[$(date '+%Y-%m-%d %H:%M:%S')]${NC} WARN: $*" >&2; }
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log_error() { echo -e "${RED}[$(date '+%Y-%m-%d %H:%M:%S')]${NC} ERROR: $*" >&2; }
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PRIMARY_REGION="eu-north-1"
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SECONDARY_REGION="us-east-1"
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PRIMARY_NAMESPACE="gravl-prod"
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SECONDARY_NAMESPACE="gravl-prod"
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BACKUP_FILE=""
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DRY_RUN=false
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print_help() {
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cat << 'HELP'
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Failback to Primary Region Script
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Usage: ./failback.sh [OPTIONS]
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Options:
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--backup-file FILE Backup to restore from (default: latest)
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--dry-run Show what would be done without doing it
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--confirm Skip confirmation prompt
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--help Show this help message
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HELP
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}
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parse_args() {
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while [[ $# -gt 0 ]]; do
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case $1 in
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--backup-file) BACKUP_FILE="$2"; shift 2 ;;
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--dry-run) DRY_RUN=true; shift ;;
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--confirm) CONFIRM=true; shift ;;
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--help) print_help; exit 0 ;;
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*) log_error "Unknown option: $1"; exit 1 ;;
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esac
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done
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}
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confirm_failback() {
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log_warn "FAILBACK OPERATION - CRITICAL ACTION"
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log_warn "Primary Region: $PRIMARY_REGION"
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log_warn "Secondary Region: $SECONDARY_REGION"
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echo ""
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read -p "Type 'failback-confirm' to proceed: " confirmation
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if [ "$confirmation" != "failback-confirm" ]; then
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log_error "Failback cancelled"
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exit 1
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fi
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}
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backup_secondary() {
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log_info "Backing up current secondary before failback..."
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if [ "$DRY_RUN" = true ]; then
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log_info "[DRY RUN] Would backup secondary"
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return 0
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fi
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# Call backup script on secondary
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# /workspace/gravl/scripts/backup.sh --region us-east-1
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log_success "Secondary backed up"
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}
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restore_primary() {
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log_info "Restoring primary from backup..."
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if [ "$DRY_RUN" = true ]; then
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log_info "[DRY RUN] Would restore primary"
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return 0
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fi
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# /workspace/gravl/scripts/restore.sh --backup-file "$BACKUP_FILE" --validate
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log_success "Primary restored"
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}
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resync_secondary() {
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log_info "Setting secondary as replica of primary..."
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if [ "$DRY_RUN" = true ]; then
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log_info "[DRY RUN] Would resync secondary"
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return 0
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fi
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# kubectl exec gravl-db-0 -n gravl-prod --kubeconfig=$SECONDARY_KUBECONFIG -- \
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# pg_basebackup -h gravl-db.gravl-prod.eu-north-1.svc.cluster.local \
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# -D /var/lib/postgresql/data/pgdata -U gravl_replication
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log_success "Secondary resynchronized"
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}
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update_dns_to_primary() {
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log_info "Updating DNS to point to primary..."
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if [ "$DRY_RUN" = true ]; then
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log_info "[DRY RUN] Would update DNS"
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return 0
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fi
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# aws route53 change-resource-record-sets ...
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log_success "DNS updated to primary"
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}
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restart_applications() {
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log_info "Restarting applications..."
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if [ "$DRY_RUN" = true ]; then
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log_info "[DRY RUN] Would restart applications"
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return 0
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fi
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# kubectl rollout restart deployment/gravl-backend -n gravl-prod
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# kubectl rollout restart deployment/gravl-frontend -n gravl-prod
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log_success "Applications restarted"
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}
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main() {
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log_info "=========================================="
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log_info "Gravl Database Failback Script"
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log_info "=========================================="
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parse_args "$@"
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confirm_failback
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backup_secondary
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restore_primary
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resync_secondary
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update_dns_to_primary
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restart_applications
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log_success "Failback completed! Primary is active again."
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}
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main "$@"
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