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Provide more verbose empty config error based on the context
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@ -17,6 +17,7 @@ limitations under the License.
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package genericclioptions
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import (
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"errors"
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"os"
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"path/filepath"
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"regexp"
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@ -54,7 +55,17 @@ const (
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flagHTTPCacheDir = "cache-dir"
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)
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var defaultCacheDir = filepath.Join(homedir.HomeDir(), ".kube", "http-cache")
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var (
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defaultCacheDir = filepath.Join(homedir.HomeDir(), ".kube", "http-cache")
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ErrEmptyConfig = errors.New(`Missing or incomplete configuration info. Please point to an existing, complete config file:
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1. Via the command-line flag --kubeconfig
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2. Via the KUBECONFIG environment variable
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3. In your home directory as ~/.kube/config
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To view or setup config directly use the 'config' command.`)
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)
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// RESTClientGetter is an interface that the ConfigFlags describe to provide an easier way to mock for commands
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// and eliminate the direct coupling to a struct type. Users may wish to duplicate this type in their own packages
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@ -108,7 +119,12 @@ type ConfigFlags struct {
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// to a .kubeconfig file, loading rules, and config flag overrides.
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// Expects the AddFlags method to have been called.
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func (f *ConfigFlags) ToRESTConfig() (*rest.Config, error) {
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return f.ToRawKubeConfigLoader().ClientConfig()
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config, err := f.ToRawKubeConfigLoader().ClientConfig()
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// replace client-go's ErrEmptyConfig error with our custom, more verbose version
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if clientcmd.IsEmptyConfig(err) {
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return nil, ErrEmptyConfig
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}
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return config, err
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}
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// ToRawKubeConfigLoader binds config flag values to config overrides
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@ -30,7 +30,7 @@ import (
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var (
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ErrNoContext = errors.New("no context chosen")
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ErrEmptyConfig = errors.New("no configuration has been provided")
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ErrEmptyConfig = errors.New("no configuration has been provided, try setting KUBERNETES_MASTER environment variable")
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// message is for consistency with old behavior
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ErrEmptyCluster = errors.New("cluster has no server defined")
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)
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