Update to new cadvisor v0.48.1

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

vendor/github.com/google/cadvisor/metrics/prometheus.go

@@ -377,6 +377,13 @@ func NewPrometheusCollector(i infoProvider, f ContainerLabelsFunc, includedMetri
 				getValues: func(s *info.ContainerStats) metricValues {
 					return metricValues{{value: float64(s.Memory.RSS), timestamp: s.Timestamp}}
 				},
+			}, {
+				name:      "container_memory_kernel_usage",
+				help:      "Size of kernel memory allocated in bytes.",
+				valueType: prometheus.GaugeValue,
+				getValues: func(s *info.ContainerStats) metricValues {
+					return metricValues{{value: float64(s.Memory.KernelUsage), timestamp: s.Timestamp}}
+				},
 			}, {
 				name:      "container_memory_mapped_file",
 				help:      "Size of memory mapped files in bytes.",

vendor/github.com/google/cadvisor/metrics/prometheus_fake.go

@@ -350,10 +350,11 @@ func (p testSubcontainersInfoProvider) GetRequestedContainersInfo(string, v2.Req
 								Unevictable: map[uint8]uint64{0: 8900, 1: 20000},
 							},
 						},
-						Cache:      14,
-						RSS:        15,
-						MappedFile: 16,
-						Swap:       8192,
+						Cache:       14,
+						RSS:         15,
+						MappedFile:  16,
+						KernelUsage: 17,
+						Swap:        8192,
 					},
 					Hugetlb: map[string]info.HugetlbStats{
 						"2Mi": {

vendor/github.com/google/cadvisor/metrics/prometheus_machine.go

@@ -111,6 +111,14 @@ func NewPrometheusMachineCollector(i infoProvider, includedMetrics container.Met
 					return metricValues{{value: float64(machineInfo.MemoryCapacity), timestamp: machineInfo.Timestamp}}
 				},
 			},
+			{
+				name:      "machine_swap_bytes",
+				help:      "Amount of swap memory available on the machine.",
+				valueType: prometheus.GaugeValue,
+				getValues: func(machineInfo *info.MachineInfo) metricValues {
+					return metricValues{{value: float64(machineInfo.SwapCapacity), timestamp: machineInfo.Timestamp}}
+				},
+			},
 			{
 				name:        "machine_dimm_count",
 				help:        "Number of RAM DIMM (all types memory modules) value labeled by dimm type.",