infra-automation/roles/system_info/tasks/gather_cpu.yml

---
# CPU information gathering tasks

- name: Gather CPU information from /proc/cpuinfo
  shell: |
    cat /proc/cpuinfo | grep -E "model name|processor|cpu MHz|cache size|physical id|cpu cores|flags" | head -20
  register: system_info_cpu_proc_raw
  changed_when: false
  tags: [gather, cpu]

- name: Gather CPU count information
  set_fact:
    system_info_cpu_count:
      physical: "{{ ansible_processor_count }}"
      cores_per_socket: "{{ ansible_processor_cores }}"
      threads_per_core: "{{ ansible_processor_threads_per_core }}"
      vcpus: "{{ ansible_processor_vcpus }}"
      total_cores: "{{ ansible_processor_count * ansible_processor_cores }}"
  tags: [gather, cpu]

- name: Gather CPU model information
  set_fact:
    system_info_cpu_model: "{{ ansible_processor[2] | default(ansible_processor[0]) }}"
  tags: [gather, cpu]

- name: Gather detailed CPU information using lscpu
  shell: lscpu
  register: system_info_lscpu_raw
  changed_when: false
  tags: [gather, cpu]

- name: Parse lscpu output
  set_fact:
    system_info_cpu_architecture: "{{ system_info_lscpu_raw.stdout | regex_search('Architecture:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_op_modes: "{{ system_info_lscpu_raw.stdout | regex_search('CPU op-mode\\(s\\):\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_vendor: "{{ system_info_lscpu_raw.stdout | regex_search('Vendor ID:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_family: "{{ system_info_lscpu_raw.stdout | regex_search('CPU family:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_model_name: "{{ system_info_lscpu_raw.stdout | regex_search('Model name:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_mhz: "{{ system_info_lscpu_raw.stdout | regex_search('CPU MHz:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_max_mhz: "{{ system_info_lscpu_raw.stdout | regex_search('CPU max MHz:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
    system_info_cpu_min_mhz: "{{ system_info_lscpu_raw.stdout | regex_search('CPU min MHz:\\s+(.+)', '\\1') | default(['Unknown'], true) | first | trim }}"
  tags: [gather, cpu]

- name: Check for CPU vulnerability mitigations
  shell: lscpu | grep -i vulnerab || echo "No vulnerability information available"
  register: system_info_cpu_vulnerabilities_raw
  changed_when: false
  tags: [gather, cpu, security]

- name: Gather CPU flags/features
  shell: |
    grep -m1 "^flags" /proc/cpuinfo | cut -d: -f2 | tr ' ' '\n' | sort | tr '\n' ' '
  register: system_info_cpu_flags_raw
  changed_when: false
  tags: [gather, cpu]

- name: Set CPU flags fact
  set_fact:
    system_info_cpu_flags: "{{ system_info_cpu_flags_raw.stdout.split() | default([]) }}"
  tags: [gather, cpu]

- name: Check for virtualization support
  set_fact:
    system_info_cpu_virtualization:
      vmx: "{{ 'vmx' in system_info_cpu_flags }}"
      svm: "{{ 'svm' in system_info_cpu_flags }}"
      support: "{{ 'vmx' in system_info_cpu_flags or 'svm' in system_info_cpu_flags }}"
      type: "{{ 'Intel VT-x' if 'vmx' in system_info_cpu_flags else ('AMD-V' if 'svm' in system_info_cpu_flags else 'None') }}"
  tags: [gather, cpu]

- name: Gather CPU cache information
  shell: lscpu | grep -i cache
  register: system_info_cpu_cache_raw
  changed_when: false
  tags: [gather, cpu]

- name: Gather current CPU load
  shell: |
    uptime | awk -F'load average:' '{print $2}' | sed 's/^ *//'
  register: system_info_cpu_load_raw
  changed_when: false
  tags: [gather, cpu]

- name: Set CPU load fact
  set_fact:
    system_info_cpu_load: "{{ system_info_cpu_load_raw.stdout | trim }}"
  tags: [gather, cpu]

- name: Aggregate CPU information
  set_fact:
    system_info_cpu:
      model: "{{ system_info_cpu_model_name }}"
      vendor: "{{ system_info_cpu_vendor }}"
      architecture: "{{ system_info_cpu_architecture }}"
      family: "{{ system_info_cpu_family }}"
      count: "{{ system_info_cpu_count }}"
      current_mhz: "{{ system_info_cpu_mhz }}"
      max_mhz: "{{ system_info_cpu_max_mhz }}"
      min_mhz: "{{ system_info_cpu_min_mhz }}"
      cache: "{{ system_info_cpu_cache_raw.stdout_lines | default([]) }}"
      flags: "{{ system_info_cpu_flags[:50] }}"
      virtualization: "{{ system_info_cpu_virtualization }}"
      current_load: "{{ system_info_cpu_load }}"
      vulnerabilities: "{{ system_info_cpu_vulnerabilities_raw.stdout_lines | default([]) }}"
  tags: [gather, cpu]