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command.go
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command.go
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package get
import (
"io"
"os"
"github.com/giantswarm/microerror"
"github.com/giantswarm/micrologger"
"github.com/spf13/afero"
"github.com/spf13/cobra"
"k8s.io/client-go/tools/clientcmd"
"github.com/giantswarm/kubectl-gs/cmd/get/clusters"
"github.com/giantswarm/kubectl-gs/cmd/get/nodepools"
)
const (
name = "get"
description = "Get various types of resources."
)
type Config struct {
Logger micrologger.Logger
FileSystem afero.Fs
K8sConfigAccess clientcmd.ConfigAccess
Stderr io.Writer
Stdout io.Writer
}
func New(config Config) (*cobra.Command, error) {
if config.Logger == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.Logger must not be empty", config)
}
if config.FileSystem == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.FileSystem must not be empty", config)
}
if config.K8sConfigAccess == nil {
return nil, microerror.Maskf(invalidConfigError, "%T.K8sConfigAccess must not be empty", config)
}
if config.Stderr == nil {
config.Stderr = os.Stderr
}
if config.Stdout == nil {
config.Stdout = os.Stdout
}
var err error
var clustersCmd *cobra.Command
{
c := clusters.Config{
Logger: config.Logger,
FileSystem: config.FileSystem,
K8sConfigAccess: config.K8sConfigAccess,
Stderr: config.Stderr,
Stdout: config.Stdout,
}
clustersCmd, err = clusters.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
var nodepoolsCmd *cobra.Command
{
c := nodepools.Config{
Logger: config.Logger,
FileSystem: config.FileSystem,
K8sConfigAccess: config.K8sConfigAccess,
Stderr: config.Stderr,
Stdout: config.Stdout,
}
nodepoolsCmd, err = nodepools.New(c)
if err != nil {
return nil, microerror.Mask(err)
}
}
f := &flag{}
r := &runner{
flag: f,
logger: config.Logger,
stderr: config.Stderr,
stdout: config.Stdout,
}
c := &cobra.Command{
Use: name,
Short: description,
Long: description,
RunE: r.Run,
}
f.Init(c)
c.AddCommand(clustersCmd)
c.AddCommand(nodepoolsCmd)
return c, nil
}