refact(deps): bump k8s and client-go deps to version v0.20.2 (#294)

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>
This commit is contained in:
Prateek Pandey 2021-03-31 16:43:42 +05:30 committed by GitHub
parent 533e17a9aa
commit b1aa6ab51a
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2196 changed files with 306727 additions and 251810 deletions

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@ -24,7 +24,7 @@ import (
"reflect"
"sort"
"k8s.io/klog"
"k8s.io/klog/v2"
restclient "k8s.io/client-go/rest"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
@ -58,6 +58,15 @@ type PathOptions struct {
LoadingRules *ClientConfigLoadingRules
}
var (
// UseModifyConfigLock ensures that access to kubeconfig file using ModifyConfig method
// is being guarded by a lock file.
// This variable is intentionaly made public so other consumers of this library
// can modify its default behavior, but be caution when disabling it since
// this will make your code not threadsafe.
UseModifyConfigLock = true
)
func (o *PathOptions) GetEnvVarFiles() []string {
if len(o.EnvVar) == 0 {
return []string{}
@ -74,10 +83,13 @@ func (o *PathOptions) GetEnvVarFiles() []string {
}
func (o *PathOptions) GetLoadingPrecedence() []string {
if o.IsExplicitFile() {
return []string{o.GetExplicitFile()}
}
if envVarFiles := o.GetEnvVarFiles(); len(envVarFiles) > 0 {
return envVarFiles
}
return []string{o.GlobalFile}
}
@ -156,15 +168,17 @@ func NewDefaultPathOptions() *PathOptions {
// that means that this code will only write into a single file. If you want to relativizePaths, you must provide a fully qualified path in any
// modified element.
func ModifyConfig(configAccess ConfigAccess, newConfig clientcmdapi.Config, relativizePaths bool) error {
possibleSources := configAccess.GetLoadingPrecedence()
// sort the possible kubeconfig files so we always "lock" in the same order
// to avoid deadlock (note: this can fail w/ symlinks, but... come on).
sort.Strings(possibleSources)
for _, filename := range possibleSources {
if err := lockFile(filename); err != nil {
return err
if UseModifyConfigLock {
possibleSources := configAccess.GetLoadingPrecedence()
// sort the possible kubeconfig files so we always "lock" in the same order
// to avoid deadlock (note: this can fail w/ symlinks, but... come on).
sort.Strings(possibleSources)
for _, filename := range possibleSources {
if err := lockFile(filename); err != nil {
return err
}
defer unlockFile(filename)
}
defer unlockFile(filename)
}
startingConfig, err := configAccess.GetStartingConfig()