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Work on #61: Add support for ICMP

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+ Update dependencies
This commit is contained in:
TwinProduction
2020-12-25 00:07:18 -05:00
parent c86173d46f
commit 83a5813daf
1004 changed files with 182274 additions and 64323 deletions
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113
vendor/k8s.io/client-go/tools/clientcmd/client_config.go generated vendored
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@ -20,16 +20,18 @@ import (
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"strings"
"github.com/imdario/mergo"
"k8s.io/klog"
"unicode"
restclient "k8s.io/client-go/rest"
clientauth "k8s.io/client-go/tools/auth"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
"k8s.io/klog/v2"
"github.com/imdario/mergo"
)
var (
@ -150,8 +152,15 @@ func (config *DirectClientConfig) ClientConfig() (*restclient.Config, error) {
clientConfig := &restclient.Config{}
clientConfig.Host = configClusterInfo.Server
if configClusterInfo.ProxyURL != "" {
u, err := parseProxyURL(configClusterInfo.ProxyURL)
if err != nil {
return nil, err
}
clientConfig.Proxy = http.ProxyURL(u)
}
if len(config.overrides.Timeout) > 0 {
if config.overrides != nil && len(config.overrides.Timeout) > 0 {
timeout, err := ParseTimeout(config.overrides.Timeout)
if err != nil {
return nil, err
@ -210,6 +219,7 @@ func getServerIdentificationPartialConfig(configAuthInfo clientcmdapi.AuthInfo,
configClientConfig.CAFile = configClusterInfo.CertificateAuthority
configClientConfig.CAData = configClusterInfo.CertificateAuthorityData
configClientConfig.Insecure = configClusterInfo.InsecureSkipTLSVerify
configClientConfig.ServerName = configClusterInfo.TLSServerName
mergo.MergeWithOverwrite(mergedConfig, configClientConfig)
return mergedConfig, nil
@ -260,6 +270,7 @@ func (config *DirectClientConfig) getUserIdentificationPartialConfig(configAuthI
}
if configAuthInfo.Exec != nil {
mergedConfig.ExecProvider = configAuthInfo.Exec
mergedConfig.ExecProvider.InstallHint = cleanANSIEscapeCodes(mergedConfig.ExecProvider.InstallHint)
}
// if there still isn't enough information to authenticate the user, try prompting
@ -297,16 +308,6 @@ func makeUserIdentificationConfig(info clientauth.Info) *restclient.Config {
return config
}
// makeUserIdentificationFieldsConfig returns a client.Config capable of being merged using mergo for only server identification information
func makeServerIdentificationConfig(info clientauth.Info) restclient.Config {
config := restclient.Config{}
config.CAFile = info.CAFile
if info.Insecure != nil {
config.Insecure = *info.Insecure
}
return config
}
func canIdentifyUser(config restclient.Config) bool {
return len(config.Username) > 0 ||
(len(config.CertFile) > 0 || len(config.CertData) > 0) ||
@ -315,6 +316,41 @@ func canIdentifyUser(config restclient.Config) bool {
config.ExecProvider != nil
}
// cleanANSIEscapeCodes takes an arbitrary string and ensures that there are no
// ANSI escape sequences that could put the terminal in a weird state (e.g.,
// "\e[1m" bolds text)
func cleanANSIEscapeCodes(s string) string {
// spaceControlCharacters includes tab, new line, vertical tab, new page, and
// carriage return. These are in the unicode.Cc category, but that category also
// contains ESC (U+001B) which we don't want.
spaceControlCharacters := unicode.RangeTable{
R16: []unicode.Range16{
{Lo: 0x0009, Hi: 0x000D, Stride: 1},
},
}
// Why not make this deny-only (instead of allow-only)? Because unicode.C
// contains newline and tab characters that we want.
allowedRanges := []*unicode.RangeTable{
unicode.L,
unicode.M,
unicode.N,
unicode.P,
unicode.S,
unicode.Z,
&spaceControlCharacters,
}
builder := strings.Builder{}
for _, roon := range s {
if unicode.IsOneOf(allowedRanges, roon) {
builder.WriteRune(roon) // returns nil error, per go doc
} else {
fmt.Fprintf(&builder, "%U", roon)
}
}
return builder.String()
}
// Namespace implements ClientConfig
func (config *DirectClientConfig) Namespace() (string, bool, error) {
if config.overrides != nil && config.overrides.Context.Namespace != "" {
@ -382,7 +418,7 @@ func (config *DirectClientConfig) ConfirmUsable() error {
// getContextName returns the default, or user-set context name, and a boolean that indicates
// whether the default context name has been overwritten by a user-set flag, or left as its default value
func (config *DirectClientConfig) getContextName() (string, bool) {
if len(config.overrides.CurrentContext) != 0 {
if config.overrides != nil && len(config.overrides.CurrentContext) != 0 {
return config.overrides.CurrentContext, true
}
if len(config.contextName) != 0 {
@ -396,7 +432,7 @@ func (config *DirectClientConfig) getContextName() (string, bool) {
// and a boolean indicating whether the default authInfo name is overwritten by a user-set flag, or
// left as its default value
func (config *DirectClientConfig) getAuthInfoName() (string, bool) {
if len(config.overrides.Context.AuthInfo) != 0 {
if config.overrides != nil && len(config.overrides.Context.AuthInfo) != 0 {
return config.overrides.Context.AuthInfo, true
}
context, _ := config.getContext()
@ -407,7 +443,7 @@ func (config *DirectClientConfig) getAuthInfoName() (string, bool) {
// indicating whether the default clusterName has been overwritten by a user-set flag, or left as
// its default value
func (config *DirectClientConfig) getClusterName() (string, bool) {
if len(config.overrides.Context.Cluster) != 0 {
if config.overrides != nil && len(config.overrides.Context.Cluster) != 0 {
return config.overrides.Context.Cluster, true
}
context, _ := config.getContext()
@ -425,7 +461,9 @@ func (config *DirectClientConfig) getContext() (clientcmdapi.Context, error) {
} else if required {
return clientcmdapi.Context{}, fmt.Errorf("context %q does not exist", contextName)
}
mergo.MergeWithOverwrite(mergedContext, config.overrides.Context)
if config.overrides != nil {
mergo.MergeWithOverwrite(mergedContext, config.overrides.Context)
}
return *mergedContext, nil
}
@ -441,7 +479,9 @@ func (config *DirectClientConfig) getAuthInfo() (clientcmdapi.AuthInfo, error) {
} else if required {
return clientcmdapi.AuthInfo{}, fmt.Errorf("auth info %q does not exist", authInfoName)
}
mergo.MergeWithOverwrite(mergedAuthInfo, config.overrides.AuthInfo)
if config.overrides != nil {
mergo.MergeWithOverwrite(mergedAuthInfo, config.overrides.AuthInfo)
}
return *mergedAuthInfo, nil
}
@ -452,20 +492,37 @@ func (config *DirectClientConfig) getCluster() (clientcmdapi.Cluster, error) {
clusterInfoName, required := config.getClusterName()
mergedClusterInfo := clientcmdapi.NewCluster()
mergo.MergeWithOverwrite(mergedClusterInfo, config.overrides.ClusterDefaults)
if config.overrides != nil {
mergo.MergeWithOverwrite(mergedClusterInfo, config.overrides.ClusterDefaults)
}
if configClusterInfo, exists := clusterInfos[clusterInfoName]; exists {
mergo.MergeWithOverwrite(mergedClusterInfo, configClusterInfo)
} else if required {
return clientcmdapi.Cluster{}, fmt.Errorf("cluster %q does not exist", clusterInfoName)
}
mergo.MergeWithOverwrite(mergedClusterInfo, config.overrides.ClusterInfo)
// An override of --insecure-skip-tls-verify=true and no accompanying CA/CA data should clear already-set CA/CA data
// otherwise, a kubeconfig containing a CA reference would return an error that "CA and insecure-skip-tls-verify couldn't both be set"
caLen := len(config.overrides.ClusterInfo.CertificateAuthority)
caDataLen := len(config.overrides.ClusterInfo.CertificateAuthorityData)
if config.overrides.ClusterInfo.InsecureSkipTLSVerify && caLen == 0 && caDataLen == 0 {
mergedClusterInfo.CertificateAuthority = ""
mergedClusterInfo.CertificateAuthorityData = nil
if config.overrides != nil {
mergo.MergeWithOverwrite(mergedClusterInfo, config.overrides.ClusterInfo)
}
// * An override of --insecure-skip-tls-verify=true and no accompanying CA/CA data should clear already-set CA/CA data
// otherwise, a kubeconfig containing a CA reference would return an error that "CA and insecure-skip-tls-verify couldn't both be set".
// * An override of --certificate-authority should also override TLS skip settings and CA data, otherwise existing CA data will take precedence.
if config.overrides != nil {
caLen := len(config.overrides.ClusterInfo.CertificateAuthority)
caDataLen := len(config.overrides.ClusterInfo.CertificateAuthorityData)
if config.overrides.ClusterInfo.InsecureSkipTLSVerify || caLen > 0 || caDataLen > 0 {
mergedClusterInfo.InsecureSkipTLSVerify = config.overrides.ClusterInfo.InsecureSkipTLSVerify
mergedClusterInfo.CertificateAuthority = config.overrides.ClusterInfo.CertificateAuthority
mergedClusterInfo.CertificateAuthorityData = config.overrides.ClusterInfo.CertificateAuthorityData
}
// if the --tls-server-name has been set in overrides, use that value.
// if the --server has been set in overrides, then use the value of --tls-server-name specified on the CLI too. This gives the property
// that setting a --server will effectively clear the KUBECONFIG value of tls-server-name if it is specified on the command line which is
// usually correct.
if config.overrides.ClusterInfo.TLSServerName != "" || config.overrides.ClusterInfo.Server != "" {
mergedClusterInfo.TLSServerName = config.overrides.ClusterInfo.TLSServerName
}
}
return *mergedClusterInfo, nil