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

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This commit is contained in:
Jan-Otto Kröpke
2025-05-18 09:39:52 +02:00
committed by GitHub
parent 6b87441729
commit 898e16bcb1
43 changed files with 1800 additions and 296 deletions
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41
internal/headers/iphlpapi/iphlpapi.go
View File

@@ -22,13 +22,16 @@ import (
"fmt"
"unsafe"
"github.com/prometheus-community/windows_exporter/internal/headers/guid"
"golang.org/x/sys/windows"
)
//nolint:gochecknoglobals
var (
modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
procGetExtendedTcpTable = modiphlpapi.NewProc("GetExtendedTcpTable")
modiphlpapi = windows.NewLazySystemDLL("iphlpapi.dll")
procGetExtendedTcpTable = modiphlpapi.NewProc("GetExtendedTcpTable")
procGetIfEntry2Ex = modiphlpapi.NewProc("GetIfEntry2Ex")
procConvertInterfaceGuidToLuid = modiphlpapi.NewProc("ConvertInterfaceGuidToLuid")
)
func GetTCPConnectionStates(family uint32) (map[MIB_TCP_STATE]uint32, error) {
@@ -128,3 +131,37 @@ func getExtendedTcpTable[T any](ulAf uint32, tableClass uint32) ([]T, error) {
return unsafe.Slice((*T)(unsafe.Pointer(&buf[4])), binary.LittleEndian.Uint32(buf)), nil
}
// GetIfEntry2Ex function retrieves the specified level of information for the specified interface on the local computer.
//
// https://learn.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-getifentry2ex
func GetIfEntry2Ex(row *MIB_IF_ROW2) error {
ret, _, _ := procGetIfEntry2Ex.Call(
uintptr(0),
uintptr(unsafe.Pointer(row)),
)
if ret != 0 {
return fmt.Errorf("GetIfEntry2Ex failed with code %d: %w", ret, windows.Errno(ret))
}
return nil
}
// ConvertInterfaceGUIDToLUID function converts a globally unique identifier (GUID) for a network interface to the
// locally unique identifier (LUID) for the interface.
//
// https://learn.microsoft.com/en-us/windows/win32/api/netioapi/nf-netioapi-convertinterfaceguidtoluid
func ConvertInterfaceGUIDToLUID(guid guid.GUID) (uint64, error) {
var luid uint64
ret, _, _ := procConvertInterfaceGuidToLuid.Call(
uintptr(unsafe.Pointer(&guid)),
uintptr(unsafe.Pointer(&luid)),
)
if ret != 0 {
return 0, fmt.Errorf("ConvertInterfaceGUIDToLUID failed with code %d: %w", ret, windows.Errno(ret))
}
return luid, nil
}

53
internal/headers/iphlpapi/types.go
View File

@@ -20,6 +20,8 @@ package iphlpapi
import (
"encoding/binary"
"fmt"
"github.com/prometheus-community/windows_exporter/internal/headers/guid"
)
// MIB_TCPROW_OWNER_PID structure for IPv4.
@@ -107,3 +109,54 @@ func (b BigEndianUint32) uint16() uint16 {
return binary.LittleEndian.Uint16(data)
}
// Constants from Windows headers
const (
IF_MAX_STRING_SIZE = 256
IF_MAX_PHYS_ADDRESS_LENGTH = 32
)
// MIB_IF_ROW2 represents network interface statistics
type MIB_IF_ROW2 struct {
InterfaceLuid uint64
InterfaceIndex uint32
InterfaceGuid guid.GUID
Alias [IF_MAX_STRING_SIZE + 1]uint16
Description [IF_MAX_STRING_SIZE + 1]uint16
PhysicalAddressLength uint32
PhysicalAddress [IF_MAX_PHYS_ADDRESS_LENGTH]byte
PermanentPhysicalAddress [IF_MAX_PHYS_ADDRESS_LENGTH]byte
Mtu uint32
Type uint32
TunnelType uint32
MediaType uint32
PhysicalMediumType uint32
AccessType uint32
DirectionType uint32
InterfaceAndOperStatusFlags uint8
OperStatus uint32
AdminStatus uint32
MediaConnectState uint32
NetworkGuid [16]byte
ConnectionType uint32
TransmitLinkSpeed uint64
ReceiveLinkSpeed uint64
InOctets uint64
InUcastPkts uint64
InNUcastPkts uint64
InDiscards uint64
InErrors uint64
InUnknownProtos uint64
InUcastOctets uint64
InMulticastOctets uint64
InBroadcastOctets uint64
OutOctets uint64
OutUcastPkts uint64
OutNUcastPkts uint64
OutDiscards uint64
OutErrors uint64
OutUcastOctets uint64
OutMulticastOctets uint64
OutBroadcastOctets uint64
OutQLen uint64
}