github.com/shiroyuki/docker@v1.9.0/integration-cli/docker_test_vars.go (about) 1 package main 2 3 import ( 4 "encoding/json" 5 "fmt" 6 "os" 7 "os/exec" 8 9 "github.com/docker/docker/pkg/reexec" 10 ) 11 12 var ( 13 // the docker binary to use 14 dockerBinary = "docker" 15 16 // the private registry image to use for tests involving the registry 17 registryImageName = "registry" 18 19 // the private registry to use for tests 20 privateRegistryURL = "127.0.0.1:5000" 21 22 runtimePath = "/var/run/docker" 23 execDriverPath = runtimePath + "/execdriver/native" 24 25 workingDirectory string 26 27 // isLocalDaemon is true if the daemon under test is on the same 28 // host as the CLI. 29 isLocalDaemon bool 30 31 // daemonPlatform is held globally so that tests can make intelligent 32 // decisions on how to configure themselves according to the platform 33 // of the daemon. This is initialised in docker_utils by sending 34 // a version call to the daemon and examining the response header. 35 daemonPlatform string 36 37 // daemonDefaultImage is the name of the default image to use when running 38 // tests. This is platform dependent. 39 daemonDefaultImage string 40 41 // For a local daemon on Linux, these values will be used for testing 42 // user namespace support as the standard graph path(s) will be 43 // appended with the root remapped uid.gid prefix 44 dockerBasePath string 45 volumesConfigPath string 46 containerStoragePath string 47 ) 48 49 const ( 50 // WindowsBaseImage is the name of the base image for Windows testing 51 WindowsBaseImage = "windowsservercore" 52 53 // DefaultImage is the name of the base image for the majority of tests that 54 // are run across suites 55 DefaultImage = "busybox" 56 ) 57 58 func init() { 59 reexec.Init() 60 if dockerBin := os.Getenv("DOCKER_BINARY"); dockerBin != "" { 61 dockerBinary = dockerBin 62 } 63 var err error 64 dockerBinary, err = exec.LookPath(dockerBinary) 65 if err != nil { 66 fmt.Printf("ERROR: couldn't resolve full path to the Docker binary (%v)", err) 67 os.Exit(1) 68 } 69 if registryImage := os.Getenv("REGISTRY_IMAGE"); registryImage != "" { 70 registryImageName = registryImage 71 } 72 if registry := os.Getenv("REGISTRY_URL"); registry != "" { 73 privateRegistryURL = registry 74 } 75 workingDirectory, _ = os.Getwd() 76 77 // Deterministically working out the environment in which CI is running 78 // to evaluate whether the daemon is local or remote is not possible through 79 // a build tag. 80 // 81 // For example Windows CI under Jenkins test the 64-bit 82 // Windows binary build with the daemon build tag, but calls a remote 83 // Linux daemon. 84 // 85 // We can't just say if Windows then assume the daemon is local as at 86 // some point, we will be testing the Windows CLI against a Windows daemon. 87 // 88 // Similarly, it will be perfectly valid to also run CLI tests from 89 // a Linux CLI (built with the daemon tag) against a Windows daemon. 90 if len(os.Getenv("DOCKER_REMOTE_DAEMON")) > 0 { 91 isLocalDaemon = false 92 } else { 93 isLocalDaemon = true 94 } 95 96 // This is only used for a tests with local daemon true (Linux-only today) 97 // default is "/var/lib/docker", but we'll try and ask the 98 // /info endpoint for the specific root dir 99 dockerBasePath = "/var/lib/docker" 100 type Info struct { 101 DockerRootDir string 102 } 103 var i Info 104 status, b, err := sockRequest("GET", "/info", nil) 105 if err == nil && status == 200 { 106 if err = json.Unmarshal(b, &i); err == nil { 107 dockerBasePath = i.DockerRootDir 108 } 109 } 110 volumesConfigPath = dockerBasePath + "/volumes" 111 containerStoragePath = dockerBasePath + "/containers" 112 }