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Changed to use cmd for getting system uuid

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This commit is contained in:
Angela Li 2019-07-23 15:59:32 -07:00
parent e56db7d407
commit e242bbe12c
3 changed files with 10 additions and 8 deletions
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11
pkg/kubelet/winstats/perfcounter_nodestats.go
View File

@ -20,6 +20,7 @@ package winstats
import (
"errors"
"fmt"
"os"
"os/exec"
"runtime"
@ -221,13 +222,15 @@ func (p *perfCounterNodeStatsClient) getCPUUsageNanoCores() uint64 {
}
func getSystemUUID() (string, error) {
cmd := exec.Command("powershell.exe", "-Command", "(Get-CimInstance -Class Win32_ComputerSystemProduct).UUID")
out, err := cmd.CombinedOutput()
result, err := exec.Command("wmic", "csproduct", "get", "UUID").Output()
if err != nil {
return "", err
}
systemUUID := strings.TrimRight(string(out), "\r\n")
return systemUUID, nil
fields := strings.Fields(string(result))
if len(fields) != 2 {
return "", fmt.Errorf("received unexpected value retrieving vm uuid: %q", string(result))
}
return fields[1], nil
}
func getPhysicallyInstalledSystemMemoryBytes() (uint64, error) {

2
pkg/kubelet/winstats/winstats.go
View File

@ -103,7 +103,7 @@ func (c *StatsClient) WinContainerInfos() (map[string]cadvisorapiv2.ContainerInf
}
// WinMachineInfo returns a cadvisorapi.MachineInfo with details about the
// node machine.
// node machine. Analogous to cadvisor MachineInfo method.
func (c *StatsClient) WinMachineInfo() (*cadvisorapi.MachineInfo, error) {
return c.client.getMachineInfo()
}

5
pkg/kubelet/winstats/winstats_test.go
View File

@ -56,7 +56,7 @@ func (f fakeWinNodeStatsClient) getMachineInfo() (*cadvisorapi.MachineInfo, erro
NumCores: 4,
MemoryCapacity: 1.6e+10,
MachineID: "somehostname",
SystemUUID: "",
SystemUUID: "E6C8AC43-582B-3575-4E1F-6DA170888906",
}, nil
}
@ -116,12 +116,11 @@ func TestWinMachineInfo(t *testing.T) {
machineInfo, err := c.WinMachineInfo()
assert.NoError(t, err)
assert.NotEqual(t, machineInfo.SystemUUID, "")
assert.Equal(t, machineInfo, &cadvisorapi.MachineInfo{
NumCores: 4,
MemoryCapacity: 1.6e+10,
MachineID: "somehostname",
SystemUUID: machineInfo.SystemUUID})
SystemUUID: "E6C8AC43-582B-3575-4E1F-6DA170888906"})
}
func TestWinVersionInfo(t *testing.T) {