mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-10-17 18:19:04 +02:00
Jan-Otto KröpkeandClaude Opus 5.5
5c148173e7
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
// Copyright The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build windows
|
|
|
|
package kernel32_test
|
|
|
|
import (
|
|
"os/exec"
|
|
"testing"
|
|
|
|
"github.com/prometheus-community/windows_exporter/internal/headers/kernel32"
|
|
"github.com/stretchr/testify/require"
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
// startJobProcesses starts count idle processes and assigns them to a new job object.
|
|
func startJobProcesses(t *testing.T, count int) (windows.Handle, []uint32) {
|
|
t.Helper()
|
|
|
|
job, err := windows.CreateJobObject(nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
t.Cleanup(func() {
|
|
_ = windows.TerminateJobObject(job, 0)
|
|
_ = windows.CloseHandle(job)
|
|
})
|
|
|
|
pids := make([]uint32, 0, count)
|
|
|
|
for range count {
|
|
// cmd.exe blocks on the open stdin pipe until the job is terminated.
|
|
cmd := exec.CommandContext(t.Context(), "cmd.exe", "/c", "pause")
|
|
|
|
stdin, err := cmd.StdinPipe()
|
|
require.NoError(t, err)
|
|
require.NoError(t, cmd.Start())
|
|
|
|
t.Cleanup(func() {
|
|
_ = stdin.Close()
|
|
_ = cmd.Process.Kill()
|
|
_ = cmd.Wait()
|
|
})
|
|
|
|
process, err := windows.OpenProcess(windows.PROCESS_SET_QUOTA|windows.PROCESS_TERMINATE, false, uint32(cmd.Process.Pid))
|
|
require.NoError(t, err)
|
|
|
|
err = windows.AssignProcessToJobObject(job, process)
|
|
_ = windows.CloseHandle(process)
|
|
|
|
require.NoError(t, err)
|
|
|
|
pids = append(pids, uint32(cmd.Process.Pid))
|
|
}
|
|
|
|
return job, pids
|
|
}
|
|
|
|
// More processes than the initial buffer holds must trigger ERROR_MORE_DATA and a retry.
|
|
func TestQueryJobObjectProcessIDs(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
job, pids := startJobProcesses(t, 20)
|
|
|
|
got, err := kernel32.QueryJobObjectProcessIDs(job)
|
|
require.NoError(t, err)
|
|
require.ElementsMatch(t, pids, got)
|
|
}
|
|
|
|
// IsProcessInJob wrote the BOOL into the pointer variable instead of the result,
|
|
// so it always reported false.
|
|
func TestIsProcessInJob(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
job, pids := startJobProcesses(t, 1)
|
|
|
|
process, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, pids[0])
|
|
require.NoError(t, err)
|
|
|
|
t.Cleanup(func() {
|
|
_ = windows.CloseHandle(process)
|
|
})
|
|
|
|
isInJob, err := kernel32.IsProcessInJob(process, job)
|
|
require.NoError(t, err)
|
|
require.True(t, isInJob)
|
|
|
|
isInJob, err = kernel32.IsProcessInJob(windows.CurrentProcess(), job)
|
|
require.NoError(t, err)
|
|
require.False(t, isInJob)
|
|
}
|