mirror of
https://github.com/ahmetb/kubectx.git
synced 2025-06-18 19:58:05 +00:00
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"strings"
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"github.com/pkg/errors"
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"github.com/ahmetb/kubectx/internal/cmdutil"
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"github.com/ahmetb/kubectx/internal/env"
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"github.com/ahmetb/kubectx/internal/kubeconfig"
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"github.com/ahmetb/kubectx/internal/printer"
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)
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type InteractiveSwitchOp struct {
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SelfCmd string
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}
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// TODO(ahmetb) This method is heavily repetitive vs kubectx/fzf.go.
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func (op InteractiveSwitchOp) Run(_, stderr io.Writer) error {
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// parse kubeconfig just to see if it can be loaded
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kc := new(kubeconfig.Kubeconfig).WithLoader(cmdutil.DefaultLoader)
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if err := kc.Parse(); err != nil {
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if cmdutil.IsNotFoundErr(err) {
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printer.Warning(stderr, "kubeconfig file not found")
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return nil
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}
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return errors.Wrap(err, "kubeconfig error")
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}
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defer kc.Close()
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cmd := exec.Command("fzf", "--ansi", "--no-preview")
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var out bytes.Buffer
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cmd.Stdin = os.Stdin
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cmd.Stderr = stderr
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cmd.Stdout = &out
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cmd.Env = append(os.Environ(),
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fmt.Sprintf("FZF_DEFAULT_COMMAND=%s", op.SelfCmd),
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fmt.Sprintf("%s=1", env.EnvForceColor))
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if err := cmd.Run(); err != nil {
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if _, ok := err.(*exec.ExitError); !ok {
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return err
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}
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}
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choice := strings.TrimSpace(out.String())
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if choice == "" {
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return errors.New("you did not choose any of the options")
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}
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name, err := switchNamespace(kc, choice)
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if err != nil {
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return errors.Wrap(err, "failed to switch context")
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}
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printer.Success(stderr, "Switched to context %s.", printer.SuccessColor.Sprint(name))
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return nil
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}
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