gopkg.in/docker/docker.v20@v20.10.27/integration-cli/environment/environment.go (about)

     1  package environment // import "github.com/docker/docker/integration-cli/environment"
     2  
     3  import (
     4  	"os"
     5  	"os/exec"
     6  
     7  	"github.com/docker/docker/testutil/environment"
     8  )
     9  
    10  var (
    11  	// DefaultClientBinary is the name of the docker binary
    12  	DefaultClientBinary = os.Getenv("TEST_CLIENT_BINARY")
    13  )
    14  
    15  func init() {
    16  	if DefaultClientBinary == "" {
    17  		DefaultClientBinary = "docker"
    18  	}
    19  }
    20  
    21  // Execution contains information about the current test execution and daemon
    22  // under test
    23  type Execution struct {
    24  	environment.Execution
    25  	dockerBinary string
    26  }
    27  
    28  // DockerBinary returns the docker binary for this testing environment
    29  func (e *Execution) DockerBinary() string {
    30  	return e.dockerBinary
    31  }
    32  
    33  // New returns details about the testing environment
    34  func New() (*Execution, error) {
    35  	env, err := environment.New()
    36  	if err != nil {
    37  		return nil, err
    38  	}
    39  
    40  	dockerBinary, err := exec.LookPath(DefaultClientBinary)
    41  	if err != nil {
    42  		return nil, err
    43  	}
    44  
    45  	return &Execution{
    46  		Execution:    *env,
    47  		dockerBinary: dockerBinary,
    48  	}, nil
    49  }