Move metrics to core/metrics

Signed-off-by: Derek McGowan <derek@mcg.dev>

core/metrics/cgroups/v1/blkio.go

@@ -0,0 +1,132 @@
+//go:build linux
+
+/*
+   Copyright The containerd 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.
+*/
+
+package v1
+
+import (
+	"strconv"
+
+	v1 "github.com/containerd/containerd/v2/core/metrics/types/v1"
+	metrics "github.com/docker/go-metrics"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+var blkioMetrics = []*metric{
+	{
+		name:   "blkio_io_merged_recursive",
+		help:   "The blkio io merged recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoMergedRecursive)
+		},
+	},
+	{
+		name:   "blkio_io_queued_recursive",
+		help:   "The blkio io queued recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoQueuedRecursive)
+		},
+	},
+	{
+		name:   "blkio_io_service_bytes_recursive",
+		help:   "The blkio io service bytes recursive",
+		unit:   metrics.Bytes,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoServiceBytesRecursive)
+		},
+	},
+	{
+		name:   "blkio_io_service_time_recursive",
+		help:   "The blkio io service time recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoServiceTimeRecursive)
+		},
+	},
+	{
+		name:   "blkio_io_serviced_recursive",
+		help:   "The blkio io serviced recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoServicedRecursive)
+		},
+	},
+	{
+		name:   "blkio_io_time_recursive",
+		help:   "The blkio io time recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.IoTimeRecursive)
+		},
+	},
+	{
+		name:   "blkio_sectors_recursive",
+		help:   "The blkio sectors recursive",
+		unit:   metrics.Total,
+		vt:     prometheus.GaugeValue,
+		labels: []string{"op", "device", "major", "minor"},
+		getValues: func(stats *v1.Metrics) []value {
+			if stats.Blkio == nil {
+				return nil
+			}
+			return blkioValues(stats.Blkio.SectorsRecursive)
+		},
+	},
+}
+
+func blkioValues(l []*v1.BlkIOEntry) []value {
+	var out []value
+	for _, e := range l {
+		out = append(out, value{
+			v: float64(e.Value),
+			l: []string{e.Op, e.Device, strconv.FormatUint(e.Major, 10), strconv.FormatUint(e.Minor, 10)},
+		})
+	}
+	return out
+}