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moby--moby/integration-cli/docker_test_vars.go

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package main
import (
"fmt"
"os"
"os/exec"
)
var (
// the docker binary to use
dockerBinary = "docker"
// the private registry image to use for tests involving the registry
registryImageName = "registry"
// the private registry to use for tests
privateRegistryURL = "127.0.0.1:5000"
execDriverPath = "/var/lib/docker/execdriver/native"
volumesConfigPath = "/var/lib/docker/volumes"
workingDirectory string
)
func init() {
if dockerBin := os.Getenv("DOCKER_BINARY"); dockerBin != "" {
dockerBinary = dockerBin
} else {
whichCmd := exec.Command("which", "docker")
out, _, err := runCommandWithOutput(whichCmd)
if err == nil {
dockerBinary = stripTrailingCharacters(out)
} else {
fmt.Printf("ERROR: couldn't resolve full path to the Docker binary")
os.Exit(1)
}
}
if registryImage := os.Getenv("REGISTRY_IMAGE"); registryImage != "" {
registryImageName = registryImage
}
if registry := os.Getenv("REGISTRY_URL"); registry != "" {
privateRegistryURL = registry
}
workingDirectory, _ = os.Getwd()
}