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SMART: add eMMC health via sysfs (#1736)

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* SMART: add eMMC health via sysfs

Read eMMC wear/EOL indicators from /sys/class/block/mmcblk*/device and expose in SMART device list. Includes mocked sysfs tests and UI tweaks for unknown temps.

* small optimizations for emmc scan and parsing

* smart: keep smartctl optional only for Linux hosts with eMMC

* update smart alerts to handle warning state

* refactor: rename binPath to smartctlPath and replace hasSmartctl with smartctlPath checks

---------

Co-authored-by: henrygd <hank@henrygd.me>
This commit is contained in:
VACInc
2026-02-12 15:27:42 -05:00
committed by GitHub
parent 2230097dc7
commit e816ea143a
11 changed files with 661 additions and 27 deletions
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78
agent/emmc_common_test.go Normal file
View File

@@ -0,0 +1,78 @@
package agent
import "testing"
func TestParseHexOrDecByte(t *testing.T) {
tests := []struct {
in string
want uint8
ok bool
}{
{"0x01", 1, true},
{"0X0b", 11, true},
{"01", 1, true},
{" 3 ", 3, true},
{"", 0, false},
{"0x", 0, false},
{"nope", 0, false},
}
for _, tt := range tests {
got, ok := parseHexOrDecByte(tt.in)
if ok != tt.ok || got != tt.want {
t.Fatalf("parseHexOrDecByte(%q) = (%d,%v), want (%d,%v)", tt.in, got, ok, tt.want, tt.ok)
}
}
}
func TestParseHexBytePair(t *testing.T) {
a, b, ok := parseHexBytePair("0x01 0x02\n")
if !ok || a != 1 || b != 2 {
t.Fatalf("parseHexBytePair hex = (%d,%d,%v), want (1,2,true)", a, b, ok)
}
a, b, ok = parseHexBytePair("01 02")
if !ok || a != 1 || b != 2 {
t.Fatalf("parseHexBytePair dec = (%d,%d,%v), want (1,2,true)", a, b, ok)
}
_, _, ok = parseHexBytePair("0x01")
if ok {
t.Fatalf("parseHexBytePair short input ok=true, want false")
}
}
func TestEmmcSmartStatus(t *testing.T) {
if got := emmcSmartStatus(0x01); got != "PASSED" {
t.Fatalf("emmcSmartStatus(0x01) = %q, want PASSED", got)
}
if got := emmcSmartStatus(0x02); got != "WARNING" {
t.Fatalf("emmcSmartStatus(0x02) = %q, want WARNING", got)
}
if got := emmcSmartStatus(0x03); got != "FAILED" {
t.Fatalf("emmcSmartStatus(0x03) = %q, want FAILED", got)
}
if got := emmcSmartStatus(0x00); got != "UNKNOWN" {
t.Fatalf("emmcSmartStatus(0x00) = %q, want UNKNOWN", got)
}
}
func TestIsEmmcBlockName(t *testing.T) {
cases := []struct {
name string
ok bool
}{
{"mmcblk0", true},
{"mmcblk1", true},
{"mmcblk10", true},
{"mmcblk0p1", false},
{"sda", false},
{"mmcblk", false},
{"mmcblkA", false},
}
for _, c := range cases {
if got := isEmmcBlockName(c.name); got != c.ok {
t.Fatalf("isEmmcBlockName(%q) = %v, want %v", c.name, got, c.ok)
}
}
}