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