95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package deviceagent
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import (
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"bufio"
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"bytes"
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"context"
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"os"
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"strings"
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"time"
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)
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func platformString() string {
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return "LINUX"
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}
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func collectOSVersion() string {
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if data, err := os.ReadFile("/etc/os-release"); err == nil {
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if prettyName := parseOSReleasePrettyName(data); prettyName != "" {
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return prettyName
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}
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}
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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out, _ := runQuiet(ctx, "uname", "-sr")
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return out
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}
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func collectHardwareUUID() string {
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for _, path := range []string{
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"/sys/class/dmi/id/product_uuid",
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"/etc/machine-id",
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"/var/lib/dbus/machine-id",
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} {
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if data, err := os.ReadFile(path); err == nil {
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if s := strings.TrimSpace(string(data)); s != "" {
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return s
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}
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}
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}
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return hashFallbackUUID()
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}
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func collectSerialNumber() string {
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if data, err := os.ReadFile("/sys/class/dmi/id/product_serial"); err == nil {
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return strings.TrimSpace(string(data))
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}
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return ""
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}
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func parseOSReleasePrettyName(data []byte) string {
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sc := bufio.NewScanner(bytes.NewReader(data))
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for sc.Scan() {
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line := sc.Text()
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if k, v, ok := splitKV(line); ok {
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if k == "PRETTY_NAME" {
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return v
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}
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}
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}
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return ""
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}
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func splitKV(line string) (string, string, bool) {
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eq := strings.IndexByte(line, '=')
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if eq <= 0 {
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return "", "", false
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}
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k := strings.TrimSpace(line[:eq])
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v := strings.TrimSpace(line[eq+1:])
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v = strings.Trim(v, `"`)
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return k, v, true
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}
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