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dex/vendor/sigs.k8s.io/testing_frameworks/integration/kubectl.go
2020-01-31 10:32:00 +01:00

48 lines
1.2 KiB
Go

package integration
import (
"bytes"
"io"
"os/exec"
"sigs.k8s.io/testing_frameworks/integration/internal"
)
// KubeCtl is a wrapper around the kubectl binary.
type KubeCtl struct {
// Path where the kubectl binary can be found.
//
// If this is left empty, we will attempt to locate a binary, by checking for
// the TEST_ASSET_KUBECTL environment variable, and the default test assets
// directory. See the "Binaries" section above (in doc.go) for details.
Path string
// Opts can be used to configure additional flags which will be used each
// time the wrapped binary is called.
//
// For example, you might want to use this to set the URL of the APIServer to
// connect to.
Opts []string
}
// Run executes the wrapped binary with some preconfigured options and the
// arguments given to this method. It returns Readers for the stdout and
// stderr.
func (k *KubeCtl) Run(args ...string) (stdout, stderr io.Reader, err error) {
if k.Path == "" {
k.Path = internal.BinPathFinder("kubectl")
}
stdoutBuffer := &bytes.Buffer{}
stderrBuffer := &bytes.Buffer{}
allArgs := append(k.Opts, args...)
cmd := exec.Command(k.Path, allArgs...)
cmd.Stdout = stdoutBuffer
cmd.Stderr = stderrBuffer
err = cmd.Run()
return stdoutBuffer, stderrBuffer, err
}