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224
ansible/automation/playbooks/system_monitoring.yml
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224
ansible/automation/playbooks/system_monitoring.yml
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---
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- name: System Monitoring and Metrics Collection
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hosts: all
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gather_facts: yes
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vars:
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monitoring_timestamp: "{{ ansible_date_time.iso8601 }}"
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metrics_retention_days: 30
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tasks:
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- name: Create monitoring data directory
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file:
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path: "/tmp/monitoring_data"
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state: directory
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mode: '0755'
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delegate_to: localhost
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run_once: true
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- name: Collect system metrics
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shell: |
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echo "=== SYSTEM METRICS ==="
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echo "Timestamp: $(date -Iseconds)"
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echo "Hostname: $(hostname)"
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echo "Uptime: $(uptime -p)"
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echo "Load: $(uptime | awk -F'load average:' '{print $2}')"
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echo ""
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echo "=== CPU INFORMATION ==="
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echo "CPU Model: $(lscpu | grep 'Model name' | cut -d':' -f2 | xargs)"
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echo "CPU Cores: $(nproc)"
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echo "CPU Usage: $(top -bn1 | grep 'Cpu(s)' | awk '{print $2}' | cut -d'%' -f1)%"
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echo ""
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echo "=== MEMORY INFORMATION ==="
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free -h
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echo ""
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echo "=== DISK USAGE ==="
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df -h
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echo ""
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echo "=== NETWORK INTERFACES ==="
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ip -brief addr show
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echo ""
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echo "=== PROCESS SUMMARY ==="
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ps aux --sort=-%cpu | head -10
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echo ""
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echo "=== SYSTEM TEMPERATURES (if available) ==="
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if command -v sensors >/dev/null 2>&1; then
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sensors 2>/dev/null || echo "Temperature sensors not available"
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else
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echo "lm-sensors not installed"
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fi
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register: system_metrics
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changed_when: false
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- name: Collect Docker metrics (if available)
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shell: |
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if command -v docker >/dev/null 2>&1 && docker info >/dev/null 2>&1; then
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echo "=== DOCKER METRICS ==="
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echo "Docker Version: $(docker --version)"
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echo "Containers Running: $(docker ps -q | wc -l)"
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echo "Containers Total: $(docker ps -aq | wc -l)"
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echo "Images: $(docker images -q | wc -l)"
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echo "Volumes: $(docker volume ls -q | wc -l)"
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echo ""
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echo "=== CONTAINER RESOURCE USAGE ==="
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docker stats --no-stream --format "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}" 2>/dev/null || echo "No running containers"
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echo ""
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echo "=== DOCKER SYSTEM INFO ==="
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docker system df 2>/dev/null || echo "Docker system info not available"
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else
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echo "Docker not available or not accessible"
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fi
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register: docker_metrics
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changed_when: false
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ignore_errors: yes
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- name: Collect network metrics
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shell: |
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echo "=== NETWORK METRICS ==="
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echo "Active Connections:"
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netstat -tuln 2>/dev/null | head -20 || ss -tuln | head -20
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echo ""
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echo "=== TAILSCALE STATUS ==="
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if command -v tailscale >/dev/null 2>&1; then
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tailscale status 2>/dev/null || echo "Tailscale not accessible"
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else
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echo "Tailscale not installed"
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fi
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echo ""
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echo "=== INTERNET CONNECTIVITY ==="
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ping -c 3 8.8.8.8 2>/dev/null | tail -2 || echo "Internet connectivity test failed"
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register: network_metrics
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changed_when: false
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ignore_errors: yes
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- name: Collect service metrics
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shell: |
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echo "=== SERVICE METRICS ==="
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if command -v systemctl >/dev/null 2>&1; then
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echo "Failed Services:"
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systemctl --failed --no-legend 2>/dev/null || echo "No failed services"
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echo ""
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echo "Active Services (sample):"
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systemctl list-units --type=service --state=active --no-legend | head -10
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else
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echo "Systemd not available"
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fi
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echo ""
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echo "=== LOG SUMMARY ==="
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if [ -f /var/log/syslog ]; then
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echo "Recent system log entries:"
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tail -5 /var/log/syslog 2>/dev/null || echo "Cannot access syslog"
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elif command -v journalctl >/dev/null 2>&1; then
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echo "Recent journal entries:"
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journalctl --no-pager -n 5 2>/dev/null || echo "Cannot access journal"
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else
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echo "No accessible system logs"
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fi
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register: service_metrics
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changed_when: false
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ignore_errors: yes
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- name: Calculate performance metrics
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set_fact:
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performance_metrics:
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cpu_usage: "{{ (system_metrics.stdout | regex_search('CPU Usage: ([0-9.]+)%', '\\1'))[0] | default('0') | float }}"
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memory_total: "{{ ansible_memtotal_mb }}"
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memory_used: "{{ ansible_memtotal_mb - ansible_memfree_mb }}"
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memory_percent: "{{ ((ansible_memtotal_mb - ansible_memfree_mb) / ansible_memtotal_mb * 100) | round(1) }}"
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disk_usage: "{{ ansible_mounts | selectattr('mount', 'equalto', '/') | map(attribute='size_total') | first | default(0) }}"
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uptime_seconds: "{{ ansible_uptime_seconds }}"
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- name: Display monitoring summary
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debug:
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msg: |
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==========================================
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📊 MONITORING REPORT - {{ inventory_hostname }}
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==========================================
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🖥️ PERFORMANCE SUMMARY:
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- CPU Usage: {{ performance_metrics.cpu_usage }}%
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- Memory: {{ performance_metrics.memory_percent }}% ({{ performance_metrics.memory_used }}MB/{{ performance_metrics.memory_total }}MB)
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- Uptime: {{ performance_metrics.uptime_seconds | int // 86400 }} days, {{ (performance_metrics.uptime_seconds | int % 86400) // 3600 }} hours
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📈 DETAILED METRICS:
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{{ system_metrics.stdout }}
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🐳 DOCKER METRICS:
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{{ docker_metrics.stdout }}
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🌐 NETWORK METRICS:
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{{ network_metrics.stdout }}
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🔧 SERVICE METRICS:
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{{ service_metrics.stdout }}
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==========================================
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- name: Generate comprehensive monitoring report
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copy:
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content: |
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{
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"timestamp": "{{ monitoring_timestamp }}",
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"hostname": "{{ inventory_hostname }}",
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"system_info": {
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"os": "{{ ansible_distribution }} {{ ansible_distribution_version }}",
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"kernel": "{{ ansible_kernel }}",
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"architecture": "{{ ansible_architecture }}",
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"cpu_cores": {{ ansible_processor_vcpus }},
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"memory_mb": {{ ansible_memtotal_mb }}
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},
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"performance": {
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"cpu_usage_percent": {{ performance_metrics.cpu_usage }},
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"memory_usage_percent": {{ performance_metrics.memory_percent }},
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"memory_used_mb": {{ performance_metrics.memory_used }},
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"memory_total_mb": {{ performance_metrics.memory_total }},
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"uptime_seconds": {{ performance_metrics.uptime_seconds }},
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"uptime_days": {{ performance_metrics.uptime_seconds | int // 86400 }}
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},
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"raw_metrics": {
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"system": {{ system_metrics.stdout | to_json }},
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"docker": {{ docker_metrics.stdout | to_json }},
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"network": {{ network_metrics.stdout | to_json }},
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"services": {{ service_metrics.stdout | to_json }}
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}
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}
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dest: "/tmp/monitoring_data/{{ inventory_hostname }}_metrics_{{ ansible_date_time.epoch }}.json"
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delegate_to: localhost
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- name: Create monitoring trend data
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shell: |
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echo "{{ monitoring_timestamp }},{{ inventory_hostname }},{{ performance_metrics.cpu_usage }},{{ performance_metrics.memory_percent }},{{ performance_metrics.uptime_seconds }}" >> /tmp/monitoring_data/trends.csv
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delegate_to: localhost
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ignore_errors: yes
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- name: Clean old monitoring data
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shell: |
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find /tmp/monitoring_data -name "*.json" -mtime +{{ metrics_retention_days }} -delete 2>/dev/null || true
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delegate_to: localhost
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run_once: true
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ignore_errors: yes
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- name: Summary message
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debug:
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msg: |
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📊 Monitoring complete for {{ inventory_hostname }}
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📄 Report saved to: /tmp/monitoring_data/{{ inventory_hostname }}_metrics_{{ ansible_date_time.epoch }}.json
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📈 Trend data updated in: /tmp/monitoring_data/trends.csv
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Performance Summary:
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- CPU: {{ performance_metrics.cpu_usage }}%
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- Memory: {{ performance_metrics.memory_percent }}%
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- Uptime: {{ performance_metrics.uptime_seconds | int // 86400 }} days
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