71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
/*
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Copyright 2021 The Kubernetes 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 logs
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import (
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"fmt"
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"math"
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"strings"
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"k8s.io/apimachinery/pkg/util/validation/field"
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cliflag "k8s.io/component-base/cli/flag"
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"k8s.io/component-base/config"
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"k8s.io/component-base/logs/registry"
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)
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func ValidateLoggingConfiguration(c *config.LoggingConfiguration, fldPath *field.Path) field.ErrorList {
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errs := field.ErrorList{}
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if c.Format != DefaultLogFormat {
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// WordSepNormalizeFunc is just a guess. Commands should use it,
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// but we cannot know for sure.
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allFlags := UnsupportedLoggingFlags(cliflag.WordSepNormalizeFunc)
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for _, f := range allFlags {
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if f.DefValue != f.Value.String() {
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errs = append(errs, field.Invalid(fldPath.Child("format"), c.Format, fmt.Sprintf("Non-default format doesn't honor flag: %s", f.Name)))
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}
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}
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}
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_, err := registry.LogRegistry.Get(c.Format)
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if err != nil {
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errs = append(errs, field.Invalid(fldPath.Child("format"), c.Format, "Unsupported log format"))
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}
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// The type in our struct is uint32, but klog only accepts positive int32.
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if c.Verbosity > math.MaxInt32 {
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errs = append(errs, field.Invalid(fldPath.Child("verbosity"), c.Verbosity, fmt.Sprintf("Must be <= %d", math.MaxInt32)))
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}
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vmoduleFldPath := fldPath.Child("vmodule")
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if len(c.VModule) > 0 && c.Format != "" && c.Format != "text" {
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errs = append(errs, field.Forbidden(vmoduleFldPath, "Only supported for text log format"))
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}
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for i, item := range c.VModule {
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if item.FilePattern == "" {
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errs = append(errs, field.Required(vmoduleFldPath.Index(i), "File pattern must not be empty"))
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}
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if strings.ContainsAny(item.FilePattern, "=,") {
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errs = append(errs, field.Invalid(vmoduleFldPath.Index(i), item.FilePattern, "File pattern must not contain equal sign or comma"))
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}
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if item.Verbosity > math.MaxInt32 {
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errs = append(errs, field.Invalid(vmoduleFldPath.Index(i), item.Verbosity, fmt.Sprintf("Must be <= %d", math.MaxInt32)))
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}
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}
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// Currently nothing to validate for c.Options.
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return errs
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}
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