container: support hostprocess containers and expose kubernetes labels (#1911)

internal/osversion/osversion_windows.go

@@ -0,0 +1,65 @@
+// 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 osversion
+
+import (
+	"fmt"
+	"sync"
+
+	"golang.org/x/sys/windows"
+)
+
+// OSVersion is a wrapper for Windows version information
+// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724439(v=vs.85).aspx
+type OSVersion struct {
+	Version      uint32
+	MajorVersion uint8
+	MinorVersion uint8
+	Build        uint16
+}
+
+//nolint:gochecknoglobals
+var osv = sync.OnceValue(func() OSVersion {
+	v := *windows.RtlGetVersion()
+
+	return OSVersion{
+		MajorVersion: uint8(v.MajorVersion),
+		MinorVersion: uint8(v.MinorVersion),
+		Build:        uint16(v.BuildNumber),
+		// Fill version value so that existing clients don't break
+		Version: v.BuildNumber<<16 | (v.MinorVersion << 8) | v.MajorVersion,
+	}
+})
+
+// Get gets the operating system version on Windows.
+// The calling application must be manifested to get the correct version information.
+func Get() OSVersion {
+	return osv()
+}
+
+// Build gets the build-number on Windows
+// The calling application must be manifested to get the correct version information.
+func Build() uint16 {
+	return Get().Build
+}
+
+// String returns the OSVersion formatted as a string. It implements the
+// [fmt.Stringer] interface.
+func (osv OSVersion) String() string {
+	return fmt.Sprintf("%d.%d.%d", osv.MajorVersion, osv.MinorVersion, osv.Build)
+}

internal/osversion/osversion_windows_test.go

@@ -0,0 +1,36 @@
+// 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 osversion
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestOSVersionString(t *testing.T) {
+	v := OSVersion{
+		Version:      809042555,
+		MajorVersion: 123,
+		MinorVersion: 2,
+		Build:        12345,
+	}
+
+	require.Equal(t, "the version is: 123.2.12345", fmt.Sprintf("the version is: %s", v))
+}

internal/osversion/windowsbuilds.go

@@ -0,0 +1,101 @@
+// 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 osversion
+
+// Windows Client and Server build numbers.
+//
+// See:
+// https://learn.microsoft.com/en-us/windows/release-health/release-information
+// https://learn.microsoft.com/en-us/windows/release-health/windows-server-release-info
+// https://learn.microsoft.com/en-us/windows/release-health/windows11-release-information
+const (
+	// RS1 (version 1607, codename "Redstone 1") corresponds to Windows Server
+	// 2016 (ltsc2016) and Windows 10 (Anniversary Update).
+	RS1 = 14393
+	// V1607 (version 1607, codename "Redstone 1") is an alias for [RS1].
+	V1607 = RS1
+	// LTSC2016 (Windows Server 2016) is an alias for [RS1].
+	LTSC2016 = RS1
+
+	// RS2 (version 1703, codename "Redstone 2") was a client-only update, and
+	// corresponds to Windows 10 (Creators Update).
+	RS2 = 15063
+	// V1703 (version 1703, codename "Redstone 2") is an alias for [RS2].
+	V1703 = RS2
+
+	// RS3 (version 1709, codename "Redstone 3") corresponds to Windows Server
+	// 1709 (Semi-Annual Channel (SAC)), and Windows 10 (Fall Creators Update).
+	RS3 = 16299
+	// V1709 (version 1709, codename "Redstone 3") is an alias for [RS3].
+	V1709 = RS3
+
+	// RS4 (version 1803, codename "Redstone 4") corresponds to Windows Server
+	// 1803 (Semi-Annual Channel (SAC)), and Windows 10 (April 2018 Update).
+	RS4 = 17134
+	// V1803 (version 1803, codename "Redstone 4") is an alias for [RS4].
+	V1803 = RS4
+
+	// RS5 (version 1809, codename "Redstone 5") corresponds to Windows Server
+	// 2019 (ltsc2019), and Windows 10 (October 2018 Update).
+	RS5 = 17763
+	// V1809 (version 1809, codename "Redstone 5") is an alias for [RS5].
+	V1809 = RS5
+	// LTSC2019 (Windows Server 2019) is an alias for [RS5].
+	LTSC2019 = RS5
+
+	// V19H1 (version 1903, codename 19H1) corresponds to Windows Server 1903 (semi-annual
+	// channel).
+	V19H1 = 18362
+	// V1903 (version 1903) is an alias for [V19H1].
+	V1903 = V19H1
+
+	// V19H2 (version 1909, codename 19H2) corresponds to Windows Server 1909 (semi-annual
+	// channel).
+	V19H2 = 18363
+	// V1909 (version 1909) is an alias for [V19H2].
+	V1909 = V19H2
+
+	// V20H1 (version 2004, codename 20H1) corresponds to Windows Server 2004 (semi-annual
+	// channel).
+	V20H1 = 19041
+	// V2004 (version 2004) is an alias for [V20H1].
+	V2004 = V20H1
+
+	// V20H2 corresponds to Windows Server 20H2 (semi-annual channel).
+	V20H2 = 19042
+
+	// V21H1 corresponds to Windows Server 21H1 (semi-annual channel).
+	V21H1 = 19043
+
+	// V21H2Win10 corresponds to Windows 10 (November 2021 Update).
+	V21H2Win10 = 19044
+
+	// V21H2Server corresponds to Windows Server 2022 (ltsc2022).
+	V21H2Server = 20348
+	// LTSC2022 (Windows Server 2022) is an alias for [V21H2Server]
+	LTSC2022 = V21H2Server
+
+	// V21H2Win11 corresponds to Windows 11 (original release).
+	V21H2Win11 = 22000
+
+	// V22H2Win10 corresponds to Windows 10 (2022 Update).
+	V22H2Win10 = 19045
+
+	// V22H2Win11 corresponds to Windows 11 (2022 Update).
+	V22H2Win11 = 22621
+)