Mateusz Suski
125 lines
3.4 KiB
Bash
Executable File
125 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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section() {
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printf '\n== %s ==\n' "$1"
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}
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run_optional() {
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local description="$1"
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shift
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if "$@"; then
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return 0
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fi
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printf 'WARNING: %s failed\n' "$description"
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return 0
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}
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section "Operating system"
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if [[ -r /etc/os-release ]]; then
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run_optional "OS release report" cat /etc/os-release
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else
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printf 'WARNING: /etc/os-release is unavailable\n'
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fi
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run_optional "kernel report" uname -a
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section "Host"
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run_optional "hostname report" hostname
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run_optional "uptime report" uptime
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section "CPU and virtualization"
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if command -v lscpu >/dev/null 2>&1; then
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run_optional "CPU report" lscpu
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printf '\nVirtualization flags:\n'
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lscpu | grep -E 'Virtualization|Hypervisor vendor' || \
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printf 'INFO: no virtualization summary reported by lscpu\n'
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else
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printf 'WARNING: lscpu is unavailable\n'
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fi
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if grep -Eqm1 '(^|[[:space:]])(vmx|svm)([[:space:]]|$)' /proc/cpuinfo; then
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printf 'OK: CPU virtualization flags detected\n'
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else
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printf 'WARNING: CPU virtualization flags were not detected\n'
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fi
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section "Memory"
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if command -v free >/dev/null 2>&1; then
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run_optional "memory report" free -h
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else
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run_optional "memory report" cat /proc/meminfo
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fi
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section "Disks"
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if command -v lsblk >/dev/null 2>&1; then
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run_optional "block device report" lsblk -o NAME,TYPE,SIZE,FSTYPE,MOUNTPOINTS,MODEL
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else
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printf 'WARNING: lsblk is unavailable\n'
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fi
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run_optional "filesystem report" df -hT
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section "Network"
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if command -v ip >/dev/null 2>&1; then
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run_optional "network interface report" ip -brief address
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run_optional "route report" ip route
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else
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printf 'WARNING: ip is unavailable\n'
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fi
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section "Firmware and Secure Boot"
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if [[ -d /sys/firmware/efi ]]; then
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printf 'OK: boot mode is UEFI\n'
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else
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printf 'INFO: boot mode appears to be legacy BIOS\n'
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fi
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if command -v mokutil >/dev/null 2>&1; then
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run_optional "Secure Boot report" mokutil --sb-state
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else
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printf 'INFO: mokutil is unavailable; Secure Boot state not queried\n'
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fi
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section "IOMMU"
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if [[ -r /proc/cmdline ]]; then
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printf 'Kernel command line:\n'
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cat /proc/cmdline
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if grep -Eq '(^|[[:space:]])(intel_iommu=on|amd_iommu=on|iommu=)' /proc/cmdline; then
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printf 'OK: IOMMU-related kernel arguments detected\n'
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else
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printf 'INFO: no explicit IOMMU kernel argument detected\n'
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fi
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fi
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if command -v dmesg >/dev/null 2>&1; then
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dmesg 2>/dev/null | grep -Ei 'DMAR|IOMMU|AMD-Vi' | tail -n 30 || \
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printf 'INFO: no readable IOMMU hints found in dmesg\n'
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fi
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section "NVIDIA hardware"
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if command -v lspci >/dev/null 2>&1; then
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lspci -nn | grep -i nvidia || printf 'INFO: no NVIDIA PCI devices detected\n'
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else
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printf 'INFO: lspci is unavailable\n'
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fi
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section "Existing platform components"
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for command_name in docker virsh cockpit-bridge; do
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if command -v "$command_name" >/dev/null 2>&1; then
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printf 'OK: %s is installed at %s\n' "$command_name" "$(command -v "$command_name")"
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else
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printf 'INFO: %s is not installed\n' "$command_name"
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fi
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done
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if command -v systemctl >/dev/null 2>&1; then
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for unit in docker.service libvirtd.service cockpit.socket; do
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if systemctl cat "$unit" >/dev/null 2>&1; then
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state="$(systemctl is-active "$unit" 2>/dev/null || true)"
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printf 'INFO: %-20s state=%s\n' "$unit" "${state:-unknown}"
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else
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printf 'INFO: %s is not installed\n' "$unit"
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fi
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done
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fi
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printf '\nOK: preflight completed without modifying the host\n'
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