/* Copyright 2023 The Kubernetes 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 main import ( "fmt" "os" "sort" flag "github.com/spf13/pflag" "gopkg.in/yaml.v2" "k8s.io/component-base/metrics" ) func main() { var sortFile string flag.StringVar(&sortFile, "sort-file", "", "file of metrics to sort") flag.Parse() dat, err := os.ReadFile(sortFile) if err == nil { var parsedMetrics []metric err = yaml.Unmarshal(dat, &parsedMetrics) if err != nil { fmt.Fprintf(os.Stderr, "%s\n", err) os.Exit(1) } sort.Sort(byFQName(parsedMetrics)) data, err := yaml.Marshal(parsedMetrics) if err != nil { fmt.Fprintf(os.Stderr, "%s\n", err) os.Exit(1) } fmt.Print(string(data)) } } type metric struct { Name string `yaml:"name" json:"name"` Subsystem string `yaml:"subsystem,omitempty" json:"subsystem,omitempty"` Namespace string `yaml:"namespace,omitempty" json:"namespace,omitempty"` Help string `yaml:"help,omitempty" json:"help,omitempty"` Type string `yaml:"type,omitempty" json:"type,omitempty"` DeprecatedVersion string `yaml:"deprecatedVersion,omitempty" json:"deprecatedVersion,omitempty"` StabilityLevel string `yaml:"stabilityLevel,omitempty" json:"stabilityLevel,omitempty"` Labels []string `yaml:"labels,omitempty" json:"labels,omitempty"` Buckets []float64 `yaml:"buckets,omitempty" json:"buckets,omitempty"` Objectives map[float64]float64 `yaml:"objectives,omitempty" json:"objectives,omitempty"` AgeBuckets uint32 `yaml:"ageBuckets,omitempty" json:"ageBuckets,omitempty"` BufCap uint32 `yaml:"bufCap,omitempty" json:"bufCap,omitempty"` MaxAge int64 `yaml:"maxAge,omitempty" json:"maxAge,omitempty"` ConstLabels map[string]string `yaml:"constLabels,omitempty" json:"constLabels,omitempty"` } func (m metric) BuildFQName() string { return metrics.BuildFQName(m.Namespace, m.Subsystem, m.Name) } type byFQName []metric func (ms byFQName) Len() int { return len(ms) } func (ms byFQName) Less(i, j int) bool { if ms[i].StabilityLevel < ms[j].StabilityLevel { return true } else if ms[i].StabilityLevel > ms[j].StabilityLevel { return false } return ms[i].BuildFQName() < ms[j].BuildFQName() } func (ms byFQName) Swap(i, j int) { ms[i], ms[j] = ms[j], ms[i] }