forked from ccfos/huatuo
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
// Copyright 2025 The HuaTuo Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"fmt"
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"strconv"
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"github.com/prometheus/procfs"
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"huatuo-bamai/pkg/metric"
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"huatuo-bamai/pkg/tracing"
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)
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type buddyInfoCollector struct {
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fs procfs.FS
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}
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func init() {
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tracing.RegisterEventTracing("buddyinfo", newBuddyInfo)
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}
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func newBuddyInfo() (*tracing.EventTracingAttr, error) {
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fs, err := procfs.NewDefaultFS()
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if err != nil {
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return nil, fmt.Errorf("open procfs: %w", err)
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}
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return &tracing.EventTracingAttr{
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TracingData: &buddyInfoCollector{fs: fs},
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Flag: tracing.FlagMetric,
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}, nil
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}
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func (c *buddyInfoCollector) Update() ([]*metric.Data, error) {
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buddyInfo, err := c.fs.BuddyInfo()
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if err != nil {
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return nil, err
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}
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var (
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buddyLabel = make(map[string]string)
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metrics = []*metric.Data{}
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)
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for _, entry := range buddyInfo {
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for size, value := range entry.Sizes {
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buddyLabel["node"] = entry.Node
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buddyLabel["zone"] = entry.Zone
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buddyLabel["size"] = strconv.Itoa(size)
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metrics = append(metrics,
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metric.NewGaugeData("blocks", value, "buddy info", buddyLabel))
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}
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}
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return metrics, nil
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}
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