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8183787493
Version v1.1.0 added support for validating cgroups v2. v1.1.1 includes a fix for a broken cross-build on !linux. v1.1.2 reverted a breaking API change with the introduction of CgroupsSpec.
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
/*
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Copyright 2016 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 system
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import (
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"fmt"
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"runtime"
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)
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// Validator is the interface for all validators.
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type Validator interface {
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// Name is the name of the validator.
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Name() string
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// Validate is the validate function.
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Validate(SysSpec) ([]error, []error)
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}
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// Reporter is the interface for the reporters for the validators.
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type Reporter interface {
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// Report reports the results of the system verification
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Report(string, string, ValidationResultType) error
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}
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// Validate uses validators to validate the system and returns a warning or error.
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func Validate(spec SysSpec, validators []Validator) ([]error, []error) {
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var errs []error
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var warns []error
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for _, v := range validators {
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fmt.Printf("Validating %s...\n", v.Name())
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warn, err := v.Validate(spec)
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if len(err) != 0 {
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errs = append(errs, err...)
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}
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if len(warn) != 0 {
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warns = append(warns, warn...)
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}
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}
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return warns, errs
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}
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// ValidateSpec uses all default validators to validate the system and writes to stdout.
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func ValidateSpec(spec SysSpec, containerRuntime string) ([]error, []error) {
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// OS-level validators.
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var osValidators = []Validator{
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&OSValidator{Reporter: DefaultReporter},
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&KernelValidator{Reporter: DefaultReporter},
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}
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// Docker-specific validators.
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var dockerValidators = []Validator{
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&DockerValidator{Reporter: DefaultReporter},
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}
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validators := osValidators
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switch containerRuntime {
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case "docker":
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validators = append(validators, dockerValidators...)
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}
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// Linux-specific validators.
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if runtime.GOOS == "linux" {
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validators = append(validators,
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&CgroupsValidator{Reporter: DefaultReporter},
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&packageValidator{reporter: DefaultReporter},
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)
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}
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return Validate(spec, validators)
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}
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