harmony/harmony_inventory_agent/src/hwinfo.rs

826 lines
28 KiB
Rust

use log::debug;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use std::fs;
use std::path::Path;
use std::process::Command;
use sysinfo::System;
#[derive(Serialize, Deserialize, Debug)]
pub struct PhysicalHost {
pub storage_drives: Vec<StorageDrive>,
pub storage_controller: StorageController,
pub memory_modules: Vec<MemoryModule>,
pub cpus: Vec<CPU>,
pub chipset: Chipset,
pub network_interfaces: Vec<NetworkInterface>,
pub management_interface: Option<ManagementInterface>,
pub host_uuid: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct StorageDrive {
pub name: String,
pub model: String,
pub serial: String,
pub size_bytes: u64,
pub logical_block_size: u32,
pub physical_block_size: u32,
pub rotational: bool,
pub wwn: Option<String>,
pub interface_type: String,
pub smart_status: Option<String>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct StorageController {
pub name: String,
pub driver: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct MemoryModule {
pub size_bytes: u64,
pub speed_mhz: Option<u32>,
pub manufacturer: Option<String>,
pub part_number: Option<String>,
pub serial_number: Option<String>,
pub rank: Option<u8>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct CPU {
pub model: String,
pub vendor: String,
pub cores: u32,
pub threads: u32,
pub frequency_mhz: u64,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct Chipset {
pub name: String,
pub vendor: String,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct NetworkInterface {
pub name: String,
pub mac_address: String,
pub speed_mbps: Option<u32>,
pub is_up: bool,
pub mtu: u32,
pub ipv4_addresses: Vec<String>,
pub ipv6_addresses: Vec<String>,
pub driver: String,
pub firmware_version: Option<String>,
}
#[derive(Serialize, Deserialize, Debug)]
pub struct ManagementInterface {
pub kind: String,
pub address: Option<String>,
pub firmware: Option<String>,
}
impl PhysicalHost {
pub fn gather() -> Result<Self, String> {
let mut sys = System::new_all();
sys.refresh_all();
Self::all_tools_available()?;
Ok(Self {
storage_drives: Self::gather_storage_drives()?,
storage_controller: Self::gather_storage_controller()?,
memory_modules: Self::gather_memory_modules()?,
cpus: Self::gather_cpus(&sys)?,
chipset: Self::gather_chipset()?,
network_interfaces: Self::gather_network_interfaces()?,
management_interface: Self::gather_management_interface()?,
host_uuid: Self::get_host_uuid()?,
})
}
fn all_tools_available() -> Result<(), String> {
let required_tools = [
("lsblk", "--version"),
("lspci", "--version"),
("lsmod", "--version"),
("dmidecode", "--version"),
("smartctl", "--version"),
("ip", "route"), // No version flag available
];
let mut missing_tools = Vec::new();
for (tool, tool_arg) in required_tools.iter() {
// First check if tool exists in PATH using which(1)
let exists = if let Ok(output) = Command::new("which").arg(tool).output() {
output.status.success()
} else {
// Fallback: manual PATH search if which(1) is unavailable
if let Ok(path_var) = std::env::var("PATH") {
path_var.split(':').any(|dir| {
let tool_path = std::path::Path::new(dir).join(tool);
tool_path.exists() && Self::is_executable(&tool_path)
})
} else {
false
}
};
if !exists {
missing_tools.push(*tool);
continue;
}
// Verify tool is functional by checking version/help output
let mut cmd = Command::new(tool);
cmd.arg(tool_arg);
cmd.stdout(std::process::Stdio::null());
cmd.stderr(std::process::Stdio::null());
if let Ok(status) = cmd.status() {
if !status.success() {
missing_tools.push(*tool);
}
} else {
missing_tools.push(*tool);
}
}
if !missing_tools.is_empty() {
let missing_str = missing_tools
.iter()
.map(|s| s.to_string())
.collect::<Vec<String>>()
.join(", ");
return Err(format!(
"The following required tools are not available: {}. Please install these tools to use PhysicalHost::gather()",
missing_str
));
}
Ok(())
}
#[cfg(unix)]
fn is_executable(path: &std::path::Path) -> bool {
use std::os::unix::fs::PermissionsExt;
match std::fs::metadata(path) {
Ok(meta) => meta.permissions().mode() & 0o111 != 0,
Err(_) => false,
}
}
#[cfg(not(unix))]
fn is_executable(_path: &std::path::Path) -> bool {
// On non-Unix systems, we assume existence implies executability
true
}
fn gather_storage_drives() -> Result<Vec<StorageDrive>, String> {
let mut drives = Vec::new();
// Use lsblk with JSON output for robust parsing
let output = Command::new("lsblk")
.args([
"-d",
"-o",
"NAME,MODEL,SERIAL,SIZE,ROTA,WWN",
"-n",
"-e",
"7",
"--json",
])
.output()
.map_err(|e| format!("Failed to execute lsblk: {}", e))?;
if !output.status.success() {
return Err(format!(
"lsblk command failed: {}",
String::from_utf8_lossy(&output.stderr)
));
}
let json: Value = serde_json::from_slice(&output.stdout)
.map_err(|e| format!("Failed to parse lsblk JSON output: {}", e))?;
let blockdevices = json
.get("blockdevices")
.and_then(|v| v.as_array())
.ok_or("Invalid lsblk JSON: missing 'blockdevices' array")?;
for device in blockdevices {
let name = device
.get("name")
.and_then(|v| v.as_str())
.ok_or("Missing 'name' in lsblk device")?
.to_string();
if name.is_empty() {
continue;
}
let model = device
.get("model")
.and_then(|v| v.as_str())
.map(|s| s.trim().to_string())
.unwrap_or_default();
let serial = device
.get("serial")
.and_then(|v| v.as_str())
.map(|s| s.trim().to_string())
.unwrap_or_default();
let size_str = device
.get("size")
.and_then(|v| v.as_str())
.ok_or("Missing 'size' in lsblk device")?;
let size_bytes = Self::parse_size(size_str)?;
let rotational = device
.get("rota")
.and_then(|v| v.as_bool())
.ok_or("Missing 'rota' in lsblk device")?;
let wwn = device
.get("wwn")
.and_then(|v| v.as_str())
.map(|s| s.trim().to_string())
.filter(|s| !s.is_empty() && s != "null");
let device_path = Path::new("/sys/block").join(&name);
let logical_block_size = Self::read_sysfs_u32(
&device_path.join("queue/logical_block_size"),
)
.map_err(|e| format!("Failed to read logical block size for {}: {}", name, e))?;
let physical_block_size = Self::read_sysfs_u32(
&device_path.join("queue/physical_block_size"),
)
.map_err(|e| format!("Failed to read physical block size for {}: {}", name, e))?;
let interface_type = Self::get_interface_type(&name, &device_path)?;
let smart_status = Self::get_smart_status(&name)?;
let mut drive = StorageDrive {
name: name.clone(),
model,
serial,
size_bytes,
logical_block_size,
physical_block_size,
rotational,
wwn,
interface_type,
smart_status,
};
// Enhance with additional sysfs info if available
if device_path.exists() {
if drive.model.is_empty() {
drive.model = Self::read_sysfs_string(&device_path.join("device/model"))
.map_err(|e| format!("Failed to read model for {}: {}", name, e))?;
}
if drive.serial.is_empty() {
drive.serial = Self::read_sysfs_string(&device_path.join("device/serial"))
.map_err(|e| format!("Failed to read serial for {}: {}", name, e))?;
}
}
drives.push(drive);
}
Ok(drives)
}
fn gather_storage_controller() -> Result<StorageController, String> {
let mut controller = StorageController {
name: "Unknown".to_string(),
driver: "Unknown".to_string(),
};
// Use lspci with JSON output if available
let output = Command::new("lspci")
.args(["-nn", "-d", "::0100", "-J"]) // Storage controllers class with JSON
.output()
.map_err(|e| format!("Failed to execute lspci: {}", e))?;
if output.status.success() {
let json: Value = serde_json::from_slice(&output.stdout)
.map_err(|e| format!("Failed to parse lspci JSON output: {}", e))?;
if let Some(devices) = json.as_array() {
for device in devices {
if let Some(device_info) = device.as_object()
&& let Some(name) = device_info
.get("device")
.and_then(|v| v.as_object())
.and_then(|v| v.get("name"))
.and_then(|v| v.as_str())
{
controller.name = name.to_string();
break;
}
}
}
}
// Fallback to text output if JSON fails or no device found
if controller.name == "Unknown" {
let output = Command::new("lspci")
.args(["-nn", "-d", "::0100"]) // Storage controllers class
.output()
.map_err(|e| format!("Failed to execute lspci (fallback): {}", e))?;
if output.status.success() {
let output_str = String::from_utf8_lossy(&output.stdout);
if let Some(line) = output_str.lines().next() {
let parts: Vec<&str> = line.split(':').collect();
if parts.len() > 2 {
controller.name = parts[2].trim().to_string();
}
}
}
}
// Try to get driver info from lsmod
let output = Command::new("lsmod")
.output()
.map_err(|e| format!("Failed to execute lsmod: {}", e))?;
if output.status.success() {
let output_str = String::from_utf8_lossy(&output.stdout);
for line in output_str.lines() {
if line.contains("ahci")
|| line.contains("nvme")
|| line.contains("megaraid")
|| line.contains("mpt3sas")
{
let parts: Vec<&str> = line.split_whitespace().collect();
if !parts.is_empty() {
controller.driver = parts[0].to_string();
break;
}
}
}
}
Ok(controller)
}
fn gather_memory_modules() -> Result<Vec<MemoryModule>, String> {
let mut modules = Vec::new();
let output = Command::new("dmidecode")
.arg("--type")
.arg("17")
.output()
.map_err(|e| format!("Failed to execute dmidecode: {}", e))?;
if !output.status.success() {
return Err(format!(
"dmidecode command failed: {}",
String::from_utf8_lossy(&output.stderr)
));
}
let output_str = String::from_utf8(output.stdout)
.map_err(|e| format!("Failed to parse dmidecode output: {}", e))?;
let sections: Vec<&str> = output_str.split("Memory Device").collect();
for section in sections.into_iter().skip(1) {
let mut module = MemoryModule {
size_bytes: 0,
speed_mhz: None,
manufacturer: None,
part_number: None,
serial_number: None,
rank: None,
};
for line in section.lines() {
let line = line.trim();
if let Some(size_str) = line.strip_prefix("Size: ") {
if size_str != "No Module Installed"
&& let Some((num, unit)) = size_str.split_once(' ')
&& let Ok(num) = num.parse::<u64>()
{
module.size_bytes = match unit {
"MB" => num * 1024 * 1024,
"GB" => num * 1024 * 1024 * 1024,
"KB" => num * 1024,
_ => 0,
};
}
} else if let Some(speed_str) = line.strip_prefix("Speed: ") {
if let Some((num, _unit)) = speed_str.split_once(' ') {
module.speed_mhz = num.parse().ok();
}
} else if let Some(man) = line.strip_prefix("Manufacturer: ") {
module.manufacturer = Some(man.to_string());
} else if let Some(part) = line.strip_prefix("Part Number: ") {
module.part_number = Some(part.to_string());
} else if let Some(serial) = line.strip_prefix("Serial Number: ") {
module.serial_number = Some(serial.to_string());
} else if let Some(rank) = line.strip_prefix("Rank: ") {
module.rank = rank.parse().ok();
}
}
if module.size_bytes > 0 {
modules.push(module);
}
}
Ok(modules)
}
fn gather_cpus(sys: &System) -> Result<Vec<CPU>, String> {
let mut cpus = Vec::new();
let global_cpu = sys.global_cpu_info();
cpus.push(CPU {
model: global_cpu.brand().to_string(),
vendor: global_cpu.vendor_id().to_string(),
cores: sys.physical_core_count().unwrap_or(1) as u32,
threads: sys.cpus().len() as u32,
frequency_mhz: global_cpu.frequency(),
});
Ok(cpus)
}
fn gather_chipset() -> Result<Chipset, String> {
Ok(Chipset {
name: Self::read_dmi("baseboard-product-name")?,
vendor: Self::read_dmi("baseboard-manufacturer")?,
})
}
fn gather_network_interfaces() -> Result<Vec<NetworkInterface>, String> {
let mut interfaces = Vec::new();
let sys_net_path = Path::new("/sys/class/net");
let entries = fs::read_dir(sys_net_path)
.map_err(|e| format!("Failed to read /sys/class/net: {}", e))?;
for entry in entries {
let entry = entry.map_err(|e| format!("Failed to read directory entry: {}", e))?;
let iface_name = entry
.file_name()
.into_string()
.map_err(|_| "Invalid UTF-8 in interface name")?;
let iface_path = entry.path();
// Skip virtual interfaces
if iface_name.starts_with("lo")
|| iface_name.starts_with("docker")
|| iface_name.starts_with("virbr")
|| iface_name.starts_with("veth")
|| iface_name.starts_with("br-")
|| iface_name.starts_with("tun")
|| iface_name.starts_with("wg")
{
continue;
}
// Check if it's a physical interface by looking for device directory
if !iface_path.join("device").exists() {
continue;
}
let mac_address = Self::read_sysfs_string(&iface_path.join("address"))
.map_err(|e| format!("Failed to read MAC address for {}: {}", iface_name, e))?;
let speed_mbps = if iface_path.join("speed").exists() {
match Self::read_sysfs_u32(&iface_path.join("speed")) {
Ok(speed) => Some(speed),
Err(e) => {
debug!(
"Failed to read speed for {}: {} . This is expected to fail on wifi interfaces.",
iface_name, e
);
None
}
}
} else {
None
};
let operstate = Self::read_sysfs_string(&iface_path.join("operstate"))
.map_err(|e| format!("Failed to read operstate for {}: {}", iface_name, e))?;
let mtu = Self::read_sysfs_u32(&iface_path.join("mtu"))
.map_err(|e| format!("Failed to read MTU for {}: {}", iface_name, e))?;
let driver =
Self::read_sysfs_symlink_basename(&iface_path.join("device/driver/module"))
.map_err(|e| format!("Failed to read driver for {}: {}", iface_name, e))?;
let firmware_version = Self::read_sysfs_opt_string(
&iface_path.join("device/firmware_version"),
)
.map_err(|e| format!("Failed to read firmware version for {}: {}", iface_name, e))?;
// Get IP addresses using ip command with JSON output
let (ipv4_addresses, ipv6_addresses) = Self::get_interface_ips_json(&iface_name)
.map_err(|e| format!("Failed to get IP addresses for {}: {}", iface_name, e))?;
interfaces.push(NetworkInterface {
name: iface_name,
mac_address,
speed_mbps,
is_up: operstate == "up",
mtu,
ipv4_addresses,
ipv6_addresses,
driver,
firmware_version,
});
}
Ok(interfaces)
}
fn gather_management_interface() -> Result<Option<ManagementInterface>, String> {
if Path::new("/dev/ipmi0").exists() {
Ok(Some(ManagementInterface {
kind: "IPMI".to_string(),
address: None,
firmware: Some(Self::read_dmi("bios-version")?),
}))
} else if Path::new("/sys/class/misc/mei").exists() {
Ok(Some(ManagementInterface {
kind: "Intel ME".to_string(),
address: None,
firmware: None,
}))
} else {
Ok(None)
}
}
fn get_host_uuid() -> Result<String, String> {
Self::read_dmi("system-uuid")
}
// Helper methods
fn read_sysfs_string(path: &Path) -> Result<String, String> {
fs::read_to_string(path)
.map(|s| s.trim().to_string())
.map_err(|e| format!("Failed to read {}: {}", path.display(), e))
}
fn read_sysfs_opt_string(path: &Path) -> Result<Option<String>, String> {
match fs::read_to_string(path) {
Ok(s) => {
let s = s.trim().to_string();
Ok(if s.is_empty() { None } else { Some(s) })
}
Err(e) if e.kind() == std::io::ErrorKind::NotFound => Ok(None),
Err(e) => Err(format!("Failed to read {}: {}", path.display(), e)),
}
}
fn read_sysfs_u32(path: &Path) -> Result<u32, String> {
fs::read_to_string(path)
.map_err(|e| format!("Failed to read {}: {}", path.display(), e))?
.trim()
.parse()
.map_err(|e| format!("Failed to parse {}: {}", path.display(), e))
}
fn read_sysfs_symlink_basename(path: &Path) -> Result<String, String> {
match fs::read_link(path) {
Ok(target_path) => match target_path.file_name() {
Some(name_osstr) => match name_osstr.to_str() {
Some(name_str) => Ok(name_str.to_string()),
None => Err(format!(
"Symlink target basename is not valid UTF-8: {}",
target_path.display()
)),
},
None => Err(format!(
"Symlink target has no basename: {} -> {}",
path.display(),
target_path.display()
)),
},
Err(e) if e.kind() == std::io::ErrorKind::NotFound => Err(format!(
"Could not resolve symlink for path : {}",
path.display()
)),
Err(e) => Err(format!("Failed to read symlink {}: {}", path.display(), e)),
}
}
fn read_dmi(field: &str) -> Result<String, String> {
let output = Command::new("dmidecode")
.arg("-s")
.arg(field)
.output()
.map_err(|e| format!("Failed to execute dmidecode for field {}: {}", field, e))?;
if !output.status.success() {
return Err(format!(
"dmidecode command failed for field {}: {}",
field,
String::from_utf8_lossy(&output.stderr)
));
}
String::from_utf8(output.stdout)
.map(|s| s.trim().to_string())
.map_err(|e| {
format!(
"Failed to parse dmidecode output for field {}: {}",
field, e
)
})
}
fn get_interface_type(device_name: &str, device_path: &Path) -> Result<String, String> {
if device_name.starts_with("nvme") {
Ok("NVMe".to_string())
} else if device_name.starts_with("sd") {
Ok("SATA".to_string())
} else if device_name.starts_with("hd") {
Ok("IDE".to_string())
} else if device_name.starts_with("vd") {
Ok("VirtIO".to_string())
} else {
// Try to determine from device path
let subsystem = Self::read_sysfs_string(&device_path.join("device/subsystem"))?;
Ok(subsystem
.split('/')
.next_back()
.unwrap_or("Unknown")
.to_string())
}
}
fn get_smart_status(device_name: &str) -> Result<Option<String>, String> {
let output = Command::new("smartctl")
.arg("-H")
.arg(format!("/dev/{}", device_name))
.output()
.map_err(|e| format!("Failed to execute smartctl for {}: {}", device_name, e))?;
if !output.status.success() {
return Ok(None);
}
let stdout = String::from_utf8(output.stdout)
.map_err(|e| format!("Failed to parse smartctl output for {}: {}", device_name, e))?;
for line in stdout.lines() {
if line.contains("SMART overall-health self-assessment") {
if let Some(status) = line.split(':').nth(1) {
return Ok(Some(status.trim().to_string()));
}
}
}
Ok(None)
}
fn parse_size(size_str: &str) -> Result<u64, String> {
debug!("Parsing size_str '{size_str}'");
let size;
if size_str.ends_with('T') {
size = size_str[..size_str.len() - 1]
.parse::<f64>()
.map(|t| t * 1024.0 * 1024.0 * 1024.0 * 1024.0)
.map_err(|e| format!("Failed to parse T size '{}': {}", size_str, e))
} else if size_str.ends_with('G') {
size = size_str[..size_str.len() - 1]
.parse::<f64>()
.map(|g| g * 1024.0 * 1024.0 * 1024.0)
.map_err(|e| format!("Failed to parse G size '{}': {}", size_str, e))
} else if size_str.ends_with('M') {
size = size_str[..size_str.len() - 1]
.parse::<f64>()
.map(|m| m * 1024.0 * 1024.0)
.map_err(|e| format!("Failed to parse M size '{}': {}", size_str, e))
} else if size_str.ends_with('K') {
size = size_str[..size_str.len() - 1]
.parse::<f64>()
.map(|k| k * 1024.0)
.map_err(|e| format!("Failed to parse K size '{}': {}", size_str, e))
} else if size_str.ends_with('B') {
size = size_str[..size_str.len() - 1]
.parse::<f64>()
.map_err(|e| format!("Failed to parse B size '{}': {}", size_str, e))
} else {
size = size_str
.parse::<f64>()
.map_err(|e| format!("Failed to parse size '{}': {}", size_str, e))
}
size.map(|s| s as u64)
}
fn get_interface_ips_json(iface_name: &str) -> Result<(Vec<String>, Vec<String>), String> {
let mut ipv4 = Vec::new();
let mut ipv6 = Vec::new();
// Get IPv4 addresses using JSON output
let output = Command::new("ip")
.args(["-j", "-4", "addr", "show", iface_name])
.output()
.map_err(|e| {
format!(
"Failed to execute ip command for IPv4 on {}: {}",
iface_name, e
)
})?;
if !output.status.success() {
return Err(format!(
"ip command for IPv4 on {} failed: {}",
iface_name,
String::from_utf8_lossy(&output.stderr)
));
}
let json: Value = serde_json::from_slice(&output.stdout).map_err(|e| {
format!(
"Failed to parse ip JSON output for IPv4 on {}: {}",
iface_name, e
)
})?;
if let Some(addrs) = json.as_array() {
for addr_info in addrs {
if let Some(addr_info_obj) = addr_info.as_object()
&& let Some(addr_info) =
addr_info_obj.get("addr_info").and_then(|v| v.as_array())
{
for addr in addr_info {
if let Some(addr_obj) = addr.as_object()
&& let Some(ip) = addr_obj.get("local").and_then(|v| v.as_str())
{
ipv4.push(ip.to_string());
}
}
}
}
}
// Get IPv6 addresses using JSON output
let output = Command::new("ip")
.args(["-j", "-6", "addr", "show", iface_name])
.output()
.map_err(|e| {
format!(
"Failed to execute ip command for IPv6 on {}: {}",
iface_name, e
)
})?;
if !output.status.success() {
return Err(format!(
"ip command for IPv6 on {} failed: {}",
iface_name,
String::from_utf8_lossy(&output.stderr)
));
}
let json: Value = serde_json::from_slice(&output.stdout).map_err(|e| {
format!(
"Failed to parse ip JSON output for IPv6 on {}: {}",
iface_name, e
)
})?;
if let Some(addrs) = json.as_array() {
for addr_info in addrs {
if let Some(addr_info_obj) = addr_info.as_object()
&& let Some(addr_info) =
addr_info_obj.get("addr_info").and_then(|v| v.as_array())
{
for addr in addr_info {
if let Some(addr_obj) = addr.as_object()
&& let Some(ip) = addr_obj.get("local").and_then(|v| v.as_str())
{
// Skip link-local addresses
if !ip.starts_with("fe80::") {
ipv6.push(ip.to_string());
}
}
}
}
}
}
Ok((ipv4, ipv6))
}
}