mirror of https://github.com/knative/pkg.git
75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
/*
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Copyright 2025 The Knative Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package runtime
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import (
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"fmt"
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"time"
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configmap "knative.dev/pkg/configmap/parser"
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)
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const (
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ProfilingEnabled = "enabled"
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ProfilingDisabled = "disabled"
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)
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type Config struct {
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Profiling string `json:"profiling,omitempty"`
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ExportInterval time.Duration `json:"exportInterval,omitempty"`
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}
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func (c *Config) Validate() error {
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switch c.Profiling {
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case ProfilingEnabled, ProfilingDisabled:
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default:
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return fmt.Errorf("unsupported profile setting %q", c.Profiling)
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}
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// ExportInterval == 0 => OTel will use a default value
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if c.ExportInterval < 0 {
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return fmt.Errorf("export interval %q should be greater than zero", c.ExportInterval)
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}
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return nil
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}
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func (c *Config) ProfilingEnabled() bool {
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return c.Profiling == ProfilingEnabled
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}
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func DefaultConfig() Config {
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return Config{
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Profiling: ProfilingDisabled,
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// same as OTel runtime.DefaultMinimumReadMemStatsInterval
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ExportInterval: 15 * time.Second,
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}
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}
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func NewFromMap(m map[string]string) (Config, error) {
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c := DefaultConfig()
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err := configmap.Parse(m,
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configmap.As("runtime-profiling", &c.Profiling),
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configmap.As("runtime-export-interval", &c.ExportInterval),
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)
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if err != nil {
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return c, err
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}
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return c, c.Validate()
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}
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