| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "runtime" |
| 5 | "strconv" |
| 6 | "strings" |
| 7 | ) |
| 8 | |
| 9 | // devinfo.go collects coarse machine facts attached to crash reports: OS version, |
| 10 | // CPU model, core count, RAM. Nothing here identifies a user or machine. |
| 11 | |
| 12 | type deviceInfo struct { |
| 13 | OSVersion string `json:"osVersion,omitempty"` |
| 14 | CPU string `json:"cpu,omitempty"` |
| 15 | Cores int `json:"cores"` |
| 16 | RAMGB int `json:"ramGb,omitempty"` |
| 17 | } |
| 18 | |
| 19 | const gib = 1 << 30 |
| 20 | |
| 21 | func collectDeviceInfo() deviceInfo { |
| 22 | return deviceInfo{ |
| 23 | OSVersion: platformOSVersion(), |
| 24 | CPU: platformCPU(), |
| 25 | Cores: runtime.NumCPU(), |
| 26 | RAMGB: int((platformRAMBytes() + gib/2) / gib), |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | func parseCPUModel(cpuinfo string) string { |
| 31 | for _, line := range strings.Split(cpuinfo, "\n") { |
| 32 | if name, ok := strings.CutPrefix(line, "model name"); ok { |
| 33 | if _, v, ok := strings.Cut(name, ":"); ok { |
| 34 | return strings.TrimSpace(v) |
| 35 | } |
| 36 | } |
| 37 | } |
| 38 | return "" |
| 39 | } |
| 40 | |
| 41 | func parseMemTotalBytes(meminfo string) uint64 { |
| 42 | for _, line := range strings.Split(meminfo, "\n") { |
| 43 | if rest, ok := strings.CutPrefix(line, "MemTotal:"); ok { |
| 44 | kb, err := strconv.ParseUint(strings.TrimSuffix(strings.TrimSpace(rest), " kB"), 10, 64) |
| 45 | if err != nil { |
| 46 | return 0 |
| 47 | } |
| 48 | return kb * 1024 |
| 49 | } |
| 50 | } |
| 51 | return 0 |
| 52 | } |
| 53 | |
| 54 | func parseOSReleasePrettyName(osRelease string) string { |
| 55 | for _, line := range strings.Split(osRelease, "\n") { |
| 56 | if v, ok := strings.CutPrefix(line, "PRETTY_NAME="); ok { |
| 57 | return strings.Trim(strings.TrimSpace(v), `"`) |
| 58 | } |
| 59 | } |
| 60 | return "" |
| 61 | } |
| 62 |