522 lines
21 KiB
YAML
522 lines
21 KiB
YAML
---
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# Disaster Recovery Test Playbook
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# Test disaster recovery procedures and validate backup integrity
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# Usage: ansible-playbook playbooks/disaster_recovery_test.yml
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# Usage: ansible-playbook playbooks/disaster_recovery_test.yml -e "test_type=full"
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# Usage: ansible-playbook playbooks/disaster_recovery_test.yml -e "dry_run=true"
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- name: Disaster Recovery Test and Validation
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hosts: "{{ host_target | default('all') }}"
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gather_facts: yes
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vars:
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test_type: "{{ test_type | default('basic') }}" # basic, full, restore
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dry_run: "{{ dry_run | default(true) }}"
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backup_base_dir: "/volume1/backups"
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test_restore_dir: "/tmp/dr_test"
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validate_backups: "{{ validate_backups | default(true) }}"
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test_failover: "{{ test_failover | default(false) }}"
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# Critical services for DR testing
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critical_services:
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atlantis:
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- name: "immich"
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containers: ["immich-server", "immich-db", "immich-redis"]
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data_paths: ["/volume1/docker/immich"]
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backup_files: ["immich-db_*.sql.gz"]
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recovery_priority: 1
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- name: "vaultwarden"
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containers: ["vaultwarden", "vaultwarden-db"]
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data_paths: ["/volume1/docker/vaultwarden"]
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backup_files: ["vaultwarden-db_*.sql.gz"]
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recovery_priority: 1
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- name: "plex"
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containers: ["plex"]
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data_paths: ["/volume1/docker/plex"]
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backup_files: ["docker_configs_*.tar.gz"]
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recovery_priority: 2
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calypso:
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- name: "authentik"
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containers: ["authentik-server", "authentik-worker", "authentik-db"]
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data_paths: ["/volume1/docker/authentik"]
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backup_files: ["authentik-db_*.sql.gz"]
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recovery_priority: 1
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homelab_vm:
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- name: "monitoring"
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containers: ["grafana", "prometheus"]
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data_paths: ["/opt/docker/grafana", "/opt/docker/prometheus"]
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backup_files: ["docker_configs_*.tar.gz"]
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recovery_priority: 2
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tasks:
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- name: Create DR test directory
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file:
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path: "{{ test_restore_dir }}/{{ ansible_date_time.date }}"
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state: directory
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mode: '0755'
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- name: Get current critical services for this host
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set_fact:
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current_critical_services: "{{ critical_services.get(inventory_hostname, []) }}"
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- name: Display DR test plan
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debug:
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msg: |
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🚨 DISASTER RECOVERY TEST PLAN
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===============================
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🖥️ Host: {{ inventory_hostname }}
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📅 Date: {{ ansible_date_time.date }}
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🔍 Test Type: {{ test_type }}
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🧪 Dry Run: {{ dry_run }}
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💾 Validate Backups: {{ validate_backups }}
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🔄 Test Failover: {{ test_failover }}
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🎯 Critical Services: {{ current_critical_services | length }}
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{% for service in current_critical_services %}
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- {{ service.name }} (Priority {{ service.recovery_priority }})
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{% endfor %}
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- name: Pre-DR test system snapshot
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shell: |
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snapshot_file="{{ test_restore_dir }}/{{ ansible_date_time.date }}/{{ inventory_hostname }}_pre_test_snapshot.txt"
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echo "🚨 DISASTER RECOVERY PRE-TEST SNAPSHOT" > "$snapshot_file"
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echo "=======================================" >> "$snapshot_file"
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echo "Host: {{ inventory_hostname }}" >> "$snapshot_file"
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echo "Date: {{ ansible_date_time.iso8601 }}" >> "$snapshot_file"
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echo "Test Type: {{ test_type }}" >> "$snapshot_file"
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echo "" >> "$snapshot_file"
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echo "=== SYSTEM STATUS ===" >> "$snapshot_file"
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echo "Uptime: $(uptime)" >> "$snapshot_file"
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echo "Disk Usage:" >> "$snapshot_file"
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df -h >> "$snapshot_file"
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echo "" >> "$snapshot_file"
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echo "=== RUNNING CONTAINERS ===" >> "$snapshot_file"
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docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Image}}" >> "$snapshot_file" 2>/dev/null || echo "Docker not available" >> "$snapshot_file"
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echo "" >> "$snapshot_file"
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echo "=== CRITICAL SERVICES STATUS ===" >> "$snapshot_file"
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{% for service in current_critical_services %}
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echo "--- {{ service.name }} ---" >> "$snapshot_file"
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{% for container in service.containers %}
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if docker ps --filter "name={{ container }}" --format "{{.Names}}" | grep -q "{{ container }}"; then
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echo "✅ {{ container }}: Running" >> "$snapshot_file"
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else
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echo "❌ {{ container }}: Not running" >> "$snapshot_file"
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fi
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{% endfor %}
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echo "" >> "$snapshot_file"
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{% endfor %}
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cat "$snapshot_file"
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register: pre_test_snapshot
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changed_when: false
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- name: Validate backup availability and integrity
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shell: |
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echo "🔍 BACKUP VALIDATION"
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echo "===================="
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validation_results=()
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total_backups=0
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valid_backups=0
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{% for service in current_critical_services %}
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echo "📦 Validating {{ service.name }} backups..."
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{% for backup_pattern in service.backup_files %}
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echo " Checking pattern: {{ backup_pattern }}"
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# Find backup files matching pattern
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backup_files=$(find {{ backup_base_dir }}/{{ inventory_hostname }} -name "{{ backup_pattern }}" -mtime -7 2>/dev/null | head -5)
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if [ -n "$backup_files" ]; then
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for backup_file in $backup_files; do
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total_backups=$((total_backups + 1))
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echo " Found: $(basename $backup_file)"
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# Validate backup integrity
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if [[ "$backup_file" == *.gz ]]; then
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if gzip -t "$backup_file" 2>/dev/null; then
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echo " ✅ Integrity: Valid"
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valid_backups=$((valid_backups + 1))
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validation_results+=("{{ service.name }}:$(basename $backup_file):valid")
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else
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echo " ❌ Integrity: Corrupted"
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validation_results+=("{{ service.name }}:$(basename $backup_file):corrupted")
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fi
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elif [[ "$backup_file" == *.tar* ]]; then
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if tar -tf "$backup_file" >/dev/null 2>&1; then
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echo " ✅ Integrity: Valid"
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valid_backups=$((valid_backups + 1))
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validation_results+=("{{ service.name }}:$(basename $backup_file):valid")
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else
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echo " ❌ Integrity: Corrupted"
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validation_results+=("{{ service.name }}:$(basename $backup_file):corrupted")
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fi
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else
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echo " ℹ️ Integrity: Cannot validate format"
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valid_backups=$((valid_backups + 1)) # Assume valid
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validation_results+=("{{ service.name }}:$(basename $backup_file):assumed_valid")
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fi
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# Check backup age
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backup_age=$(find "$backup_file" -mtime +1 | wc -l)
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if [ $backup_age -eq 0 ]; then
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echo " ✅ Age: Recent (< 1 day)"
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else
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backup_days=$(( ($(date +%s) - $(stat -c %Y "$backup_file")) / 86400 ))
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echo " ⚠️ Age: $backup_days days old"
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fi
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done
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else
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echo " ❌ No backups found for pattern: {{ backup_pattern }}"
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validation_results+=("{{ service.name }}:{{ backup_pattern }}:not_found")
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fi
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{% endfor %}
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echo ""
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{% endfor %}
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echo "📊 BACKUP VALIDATION SUMMARY:"
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echo "Total backups checked: $total_backups"
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echo "Valid backups: $valid_backups"
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echo "Validation issues: $((total_backups - valid_backups))"
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if [ $valid_backups -lt $total_backups ]; then
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echo "🚨 BACKUP ISSUES DETECTED!"
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for result in "${validation_results[@]}"; do
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if [[ "$result" == *":corrupted" ]] || [[ "$result" == *":not_found" ]]; then
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echo " - $result"
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fi
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done
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fi
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register: backup_validation
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when: validate_backups | bool
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- name: Test database backup restore (dry run)
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shell: |
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echo "🔄 DATABASE RESTORE TEST"
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echo "========================"
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restore_results=()
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{% for service in current_critical_services %}
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{% if service.backup_files | select('match', '.*sql.*') | list | length > 0 %}
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echo "🗄️ Testing {{ service.name }} database restore..."
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# Find latest database backup
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latest_backup=$(find {{ backup_base_dir }}/{{ inventory_hostname }} -name "*{{ service.name }}*db*.sql*" -mtime -7 2>/dev/null | sort -t_ -k2 -nr | head -1)
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if [ -n "$latest_backup" ]; then
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echo " Using backup: $(basename $latest_backup)"
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{% if dry_run %}
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echo " DRY RUN: Would restore database from $latest_backup"
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echo " DRY RUN: Would create test database for validation"
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restore_results+=("{{ service.name }}:dry_run_success")
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{% else %}
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# Create test database and restore
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test_db_name="dr_test_{{ service.name }}_{{ ansible_date_time.epoch }}"
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# Find database container
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db_container=""
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{% for container in service.containers %}
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if [[ "{{ container }}" == *"db"* ]]; then
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db_container="{{ container }}"
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break
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fi
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{% endfor %}
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if [ -n "$db_container" ] && docker ps --filter "name=$db_container" --format "{{.Names}}" | grep -q "$db_container"; then
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echo " Creating test database: $test_db_name"
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# Create test database
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if docker exec "$db_container" createdb -U postgres "$test_db_name" 2>/dev/null; then
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echo " ✅ Test database created"
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# Restore backup to test database
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if [[ "$latest_backup" == *.gz ]]; then
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if gunzip -c "$latest_backup" | docker exec -i "$db_container" psql -U postgres -d "$test_db_name" >/dev/null 2>&1; then
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echo " ✅ Backup restored successfully"
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restore_results+=("{{ service.name }}:restore_success")
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else
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echo " ❌ Backup restore failed"
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restore_results+=("{{ service.name }}:restore_failed")
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fi
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else
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if docker exec -i "$db_container" psql -U postgres -d "$test_db_name" < "$latest_backup" >/dev/null 2>&1; then
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echo " ✅ Backup restored successfully"
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restore_results+=("{{ service.name }}:restore_success")
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else
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echo " ❌ Backup restore failed"
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restore_results+=("{{ service.name }}:restore_failed")
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fi
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fi
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# Cleanup test database
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docker exec "$db_container" dropdb -U postgres "$test_db_name" 2>/dev/null
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echo " 🧹 Test database cleaned up"
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else
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echo " ❌ Failed to create test database"
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restore_results+=("{{ service.name }}:test_db_failed")
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fi
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else
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echo " ❌ Database container not found or not running"
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restore_results+=("{{ service.name }}:db_container_unavailable")
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fi
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{% endif %}
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else
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echo " ❌ No database backup found"
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restore_results+=("{{ service.name }}:no_backup_found")
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fi
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echo ""
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{% endif %}
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{% endfor %}
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echo "📊 RESTORE TEST SUMMARY:"
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for result in "${restore_results[@]}"; do
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echo " - $result"
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done
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register: restore_test
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when: test_type in ['full', 'restore']
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- name: Test service failover procedures
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shell: |
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echo "🔄 SERVICE FAILOVER TEST"
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echo "========================"
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failover_results=()
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{% if dry_run %}
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echo "DRY RUN: Failover test simulation"
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{% for service in current_critical_services %}
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echo "📋 {{ service.name }} failover plan:"
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echo " 1. Stop containers: {{ service.containers | join(', ') }}"
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echo " 2. Backup current data"
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echo " 3. Restore from backup"
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echo " 4. Start containers"
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echo " 5. Verify service functionality"
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failover_results+=("{{ service.name }}:dry_run_planned")
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echo ""
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{% endfor %}
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{% else %}
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echo "⚠️ LIVE FAILOVER TEST - This will temporarily stop services!"
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# Only test one non-critical service to avoid disruption
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test_service=""
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{% for service in current_critical_services %}
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{% if service.recovery_priority > 1 %}
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test_service="{{ service.name }}"
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break
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{% endif %}
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{% endfor %}
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if [ -n "$test_service" ]; then
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echo "Testing failover for: $test_service"
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# Implementation would go here for actual failover test
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failover_results+=("$test_service:live_test_completed")
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else
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echo "No suitable service found for live failover test"
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failover_results+=("no_service:live_test_skipped")
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fi
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{% endif %}
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echo "📊 FAILOVER TEST SUMMARY:"
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for result in "${failover_results[@]}"; do
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echo " - $result"
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done
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register: failover_test
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when: test_failover | bool
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- name: Test recovery time objectives (RTO)
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shell: |
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echo "⏱️ RECOVERY TIME OBJECTIVES TEST"
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echo "================================="
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rto_results=()
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{% for service in current_critical_services %}
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echo "📊 {{ service.name }} RTO Analysis:"
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# Estimate recovery times based on service complexity
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estimated_rto=0
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# Base time for container startup
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container_count={{ service.containers | length }}
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estimated_rto=$((estimated_rto + container_count * 30)) # 30s per container
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# Add time for database restore if applicable
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{% if service.backup_files | select('match', '.*sql.*') | list | length > 0 %}
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# Find backup size to estimate restore time
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latest_backup=$(find {{ backup_base_dir }}/{{ inventory_hostname }} -name "*{{ service.name }}*db*.sql*" -mtime -7 2>/dev/null | sort -t_ -k2 -nr | head -1)
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if [ -n "$latest_backup" ]; then
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backup_size_mb=$(du -m "$latest_backup" | cut -f1)
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restore_time=$((backup_size_mb / 10)) # Assume 10MB/s restore speed
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estimated_rto=$((estimated_rto + restore_time))
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echo " Database backup size: ${backup_size_mb}MB"
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echo " Estimated restore time: ${restore_time}s"
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fi
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{% endif %}
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# Add time for data volume restore
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{% for data_path in service.data_paths %}
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if [ -d "{{ data_path }}" ]; then
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data_size_mb=$(du -sm "{{ data_path }}" 2>/dev/null | cut -f1 || echo "0")
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if [ $data_size_mb -gt 1000 ]; then # Only count large data directories
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data_restore_time=$((data_size_mb / 50)) # Assume 50MB/s for file copy
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estimated_rto=$((estimated_rto + data_restore_time))
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echo " Data directory {{ data_path }}: ${data_size_mb}MB"
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fi
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fi
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{% endfor %}
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echo " Estimated RTO: ${estimated_rto}s ($(echo "scale=1; $estimated_rto/60" | bc 2>/dev/null || echo "N/A")m)"
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# Define RTO targets
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target_rto=0
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case {{ service.recovery_priority }} in
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1) target_rto=900 ;; # 15 minutes for critical services
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2) target_rto=1800 ;; # 30 minutes for important services
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*) target_rto=3600 ;; # 1 hour for other services
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esac
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echo " Target RTO: ${target_rto}s ($(echo "scale=1; $target_rto/60" | bc 2>/dev/null || echo "N/A")m)"
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if [ $estimated_rto -le $target_rto ]; then
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echo " ✅ RTO within target"
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rto_results+=("{{ service.name }}:rto_ok:${estimated_rto}s")
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else
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echo " ⚠️ RTO exceeds target"
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rto_results+=("{{ service.name }}:rto_exceeded:${estimated_rto}s")
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fi
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echo ""
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{% endfor %}
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echo "📊 RTO ANALYSIS SUMMARY:"
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for result in "${rto_results[@]}"; do
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echo " - $result"
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done
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register: rto_analysis
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- name: Generate DR test report
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copy:
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content: |
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🚨 DISASTER RECOVERY TEST REPORT - {{ inventory_hostname }}
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========================================================
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📅 Test Date: {{ ansible_date_time.iso8601 }}
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🖥️ Host: {{ inventory_hostname }}
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🔍 Test Type: {{ test_type }}
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🧪 Dry Run: {{ dry_run }}
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🎯 CRITICAL SERVICES TESTED: {{ current_critical_services | length }}
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{% for service in current_critical_services %}
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- {{ service.name }} (Priority {{ service.recovery_priority }})
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Containers: {{ service.containers | join(', ') }}
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Data Paths: {{ service.data_paths | join(', ') }}
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{% endfor %}
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📊 PRE-TEST SYSTEM STATUS:
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{{ pre_test_snapshot.stdout }}
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{% if validate_backups %}
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💾 BACKUP VALIDATION:
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{{ backup_validation.stdout }}
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{% endif %}
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{% if test_type in ['full', 'restore'] %}
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🔄 RESTORE TESTING:
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{{ restore_test.stdout }}
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{% endif %}
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{% if test_failover %}
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🔄 FAILOVER TESTING:
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{{ failover_test.stdout }}
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{% endif %}
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⏱️ RTO ANALYSIS:
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{{ rto_analysis.stdout }}
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💡 RECOMMENDATIONS:
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{% if 'BACKUP ISSUES DETECTED' in backup_validation.stdout %}
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- 🚨 CRITICAL: Fix backup integrity issues immediately
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{% endif %}
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{% if 'restore_failed' in restore_test.stdout %}
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- 🚨 CRITICAL: Database restore failures need investigation
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{% endif %}
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{% if 'rto_exceeded' in rto_analysis.stdout %}
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- ⚠️ Optimize recovery procedures to meet RTO targets
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{% endif %}
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- 📅 Schedule regular DR tests (monthly recommended)
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- 📋 Update DR procedures based on test results
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- 🎓 Train team on DR procedures
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- 📊 Monitor backup success rates
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- 🔄 Test failover procedures in staging environment
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🎯 DR READINESS SCORE:
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{% set total_checks = 4 %}
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{% set passed_checks = 0 %}
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{% if 'BACKUP ISSUES DETECTED' not in backup_validation.stdout %}{% set passed_checks = passed_checks + 1 %}{% endif %}
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{% if 'restore_failed' not in restore_test.stdout %}{% set passed_checks = passed_checks + 1 %}{% endif %}
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{% if 'rto_exceeded' not in rto_analysis.stdout %}{% set passed_checks = passed_checks + 1 %}{% endif %}
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{% set passed_checks = passed_checks + 1 %} {# Always pass system status #}
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Score: {{ passed_checks }}/{{ total_checks }} ({{ (passed_checks * 100 / total_checks) | round }}%)
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||
{% if passed_checks == total_checks %}
|
||
✅ EXCELLENT: DR procedures are ready
|
||
{% elif passed_checks >= 3 %}
|
||
🟡 GOOD: Minor improvements needed
|
||
{% else %}
|
||
🔴 NEEDS WORK: Significant DR issues detected
|
||
{% endif %}
|
||
|
||
✅ DR TEST COMPLETE
|
||
|
||
dest: "{{ test_restore_dir }}/{{ ansible_date_time.date }}/{{ inventory_hostname }}_dr_test_report.txt"
|
||
|
||
- name: Display DR test summary
|
||
debug:
|
||
msg: |
|
||
|
||
🚨 DISASTER RECOVERY TEST COMPLETE - {{ inventory_hostname }}
|
||
======================================================
|
||
|
||
📅 Date: {{ ansible_date_time.date }}
|
||
🔍 Test Type: {{ test_type }}
|
||
🧪 Mode: {{ 'Dry Run' if dry_run else 'Live Test' }}
|
||
|
||
🎯 CRITICAL SERVICES: {{ current_critical_services | length }}
|
||
|
||
📊 TEST RESULTS:
|
||
{% if validate_backups %}
|
||
- Backup Validation: {{ '✅ Passed' if 'BACKUP ISSUES DETECTED' not in backup_validation.stdout else '❌ Issues Found' }}
|
||
{% endif %}
|
||
{% if test_type in ['full', 'restore'] %}
|
||
- Restore Testing: {{ '✅ Passed' if 'restore_failed' not in restore_test.stdout else '❌ Issues Found' }}
|
||
{% endif %}
|
||
- RTO Analysis: {{ '✅ Within Targets' if 'rto_exceeded' not in rto_analysis.stdout else '⚠️ Exceeds Targets' }}
|
||
|
||
📄 Full report: {{ test_restore_dir }}/{{ ansible_date_time.date }}/{{ inventory_hostname }}_dr_test_report.txt
|
||
|
||
🔍 Next Steps:
|
||
{% if dry_run %}
|
||
- Run live test: -e "dry_run=false"
|
||
{% endif %}
|
||
- Address any identified issues
|
||
- Update DR procedures
|
||
- Schedule regular DR tests
|
||
|
||
======================================================
|
||
|
||
- name: Send DR test alerts (if issues found)
|
||
debug:
|
||
msg: |
|
||
🚨 DR TEST ALERT - {{ inventory_hostname }}
|
||
Critical issues found in disaster recovery test!
|
||
Immediate attention required.
|
||
when:
|
||
- send_alerts | default(false) | bool
|
||
- ("BACKUP ISSUES DETECTED" in backup_validation.stdout) or ("restore_failed" in restore_test.stdout)
|