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node.go
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node.go
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package validation
import (
"fmt"
"strings"
"time"
kubeletoptions "k8s.io/kubernetes/cmd/kubelet/app/options"
"k8s.io/kubernetes/pkg/util/validation/field"
"github.com/openshift/origin/pkg/cmd/server/api"
)
func ValidateNodeConfig(config *api.NodeConfig, fldPath *field.Path) ValidationResults {
validationResults := ValidationResults{}
if len(config.NodeName) == 0 {
validationResults.AddErrors(field.Required(fldPath.Child("nodeName"), ""))
}
if len(config.NodeIP) > 0 {
validationResults.AddErrors(ValidateSpecifiedIP(config.NodeIP, fldPath.Child("nodeIP"))...)
}
servingInfoPath := fldPath.Child("servingInfo")
validationResults.Append(ValidateServingInfo(config.ServingInfo, servingInfoPath))
if config.ServingInfo.BindNetwork == "tcp6" {
validationResults.AddErrors(field.Invalid(servingInfoPath.Child("bindNetwork"), config.ServingInfo.BindNetwork, "tcp6 is not a valid bindNetwork for nodes, must be tcp or tcp4"))
}
validationResults.AddErrors(ValidateKubeConfig(config.MasterKubeConfig, fldPath.Child("masterKubeConfig"))...)
if len(config.DNSBindAddress) > 0 {
validationResults.AddErrors(ValidateHostPort(config.DNSBindAddress, fldPath.Child("dnsBindAddress"))...)
}
if len(config.DNSIP) > 0 {
validationResults.AddErrors(ValidateSpecifiedIP(config.DNSIP, fldPath.Child("dnsIP"))...)
}
for i, nameserver := range config.DNSNameservers {
validationResults.AddErrors(ValidateSpecifiedIPPort(nameserver, fldPath.Child("dnsNameservers").Index(i))...)
}
validationResults.AddErrors(ValidateImageConfig(config.ImageConfig, fldPath.Child("imageConfig"))...)
if config.PodManifestConfig != nil {
validationResults.AddErrors(ValidatePodManifestConfig(config.PodManifestConfig, fldPath.Child("podManifestConfig"))...)
}
validationResults.AddErrors(ValidateNetworkConfig(config.NetworkConfig, fldPath.Child("networkConfig"))...)
validationResults.AddErrors(ValidateDockerConfig(config.DockerConfig, fldPath.Child("dockerConfig"))...)
validationResults.AddErrors(ValidateNodeAuthConfig(config.AuthConfig, fldPath.Child("authConfig"))...)
validationResults.AddErrors(ValidateKubeletExtendedArguments(config.KubeletArguments, fldPath.Child("kubeletArguments"))...)
if _, err := time.ParseDuration(config.IPTablesSyncPeriod); err != nil {
validationResults.AddErrors(field.Invalid(fldPath.Child("iptablesSyncPeriod"), config.IPTablesSyncPeriod, fmt.Sprintf("unable to parse iptablesSyncPeriod: %v. Examples with correct format: '5s', '1m', '2h22m'", err)))
}
validationResults.AddErrors(ValidateVolumeConfig(config.VolumeConfig, fldPath.Child("volumeConfig"))...)
return validationResults
}
func ValidateNodeAuthConfig(config api.NodeAuthConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
authenticationCacheTTLPath := fldPath.Child("authenticationCacheTTL")
if len(config.AuthenticationCacheTTL) == 0 {
allErrs = append(allErrs, field.Required(authenticationCacheTTLPath, ""))
} else if ttl, err := time.ParseDuration(config.AuthenticationCacheTTL); err != nil {
allErrs = append(allErrs, field.Invalid(authenticationCacheTTLPath, config.AuthenticationCacheTTL, fmt.Sprintf("%v", err)))
} else if ttl < 0 {
allErrs = append(allErrs, field.Invalid(authenticationCacheTTLPath, config.AuthenticationCacheTTL, fmt.Sprintf("cannot be less than zero")))
}
if config.AuthenticationCacheSize <= 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("authenticationCacheSize"), config.AuthenticationCacheSize, fmt.Sprintf("must be greater than zero")))
}
authorizationCacheTTLPath := fldPath.Child("authorizationCacheTTL")
if len(config.AuthorizationCacheTTL) == 0 {
allErrs = append(allErrs, field.Required(authorizationCacheTTLPath, ""))
} else if ttl, err := time.ParseDuration(config.AuthorizationCacheTTL); err != nil {
allErrs = append(allErrs, field.Invalid(authorizationCacheTTLPath, config.AuthorizationCacheTTL, fmt.Sprintf("%v", err)))
} else if ttl < 0 {
allErrs = append(allErrs, field.Invalid(authorizationCacheTTLPath, config.AuthorizationCacheTTL, fmt.Sprintf("cannot be less than zero")))
}
if config.AuthorizationCacheSize <= 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("authorizationCacheSize"), config.AuthorizationCacheSize, fmt.Sprintf("must be greater than zero")))
}
return allErrs
}
func ValidateNetworkConfig(config api.NodeNetworkConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if config.MTU == 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("mtu"), config.MTU, fmt.Sprintf("must be greater than zero")))
}
return allErrs
}
func ValidateDockerConfig(config api.DockerConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch config.ExecHandlerName {
case api.DockerExecHandlerNative, api.DockerExecHandlerNsenter:
// ok
default:
validValues := strings.Join([]string{string(api.DockerExecHandlerNative), string(api.DockerExecHandlerNsenter)}, ", ")
allErrs = append(allErrs, field.Invalid(fldPath.Child("execHandlerName"), config.ExecHandlerName, fmt.Sprintf("must be one of %s", validValues)))
}
return allErrs
}
func ValidateKubeletExtendedArguments(config api.ExtendedArguments, fldPath *field.Path) field.ErrorList {
return ValidateExtendedArguments(config, kubeletoptions.NewKubeletServer().AddFlags, fldPath)
}
func ValidateVolumeConfig(config api.NodeVolumeConfig, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if config.LocalQuota.PerFSGroup != nil && config.LocalQuota.PerFSGroup.Value() < 0 {
allErrs = append(allErrs, field.Invalid(fldPath.Child("localQuota", "perFSGroup"), config.LocalQuota.PerFSGroup,
"must be a positive integer"))
}
return allErrs
}