b8463a738c
isDocker was currently reading from `/proc/cgroup` file. But this file alone is rather not conclusive evidence. Docker internally has `.dockerenv` as a special file which we should use instead. Fixes #4456
384 lines
12 KiB
Go
384 lines
12 KiB
Go
/*
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* Minio Cloud Storage, (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"testing"
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"time"
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)
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func TestDownloadURL(t *testing.T) {
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minioVersion1 := UTCNow()
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durl := getDownloadURL(minioVersion1)
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if runtime.GOOS == "windows" {
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if durl != minioReleaseURL+"minio.exe" {
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t.Errorf("Expected %s, got %s", minioReleaseURL+"minio.exe", durl)
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}
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} else {
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if durl != minioReleaseURL+"minio" {
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t.Errorf("Expected %s, got %s", minioReleaseURL+"minio", durl)
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}
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}
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os.Setenv("KUBERNETES_SERVICE_HOST", "10.11.148.5")
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durl = getDownloadURL(minioVersion1)
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if durl != kubernetesDeploymentDoc {
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t.Errorf("Expected %s, got %s", kubernetesDeploymentDoc, durl)
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}
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os.Unsetenv("KUBERNETES_SERVICE_HOST")
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os.Setenv("MESOS_CONTAINER_NAME", "mesos-1111")
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durl = getDownloadURL(minioVersion1)
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if durl != mesosDeploymentDoc {
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t.Errorf("Expected %s, got %s", mesosDeploymentDoc, durl)
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}
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os.Unsetenv("MESOS_CONTAINER_NAME")
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}
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func TestGetCurrentReleaseTime(t *testing.T) {
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minioVersion1 := UTCNow().Format(time.RFC3339)
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releaseTime1, _ := time.Parse(time.RFC3339, minioVersion1)
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minioVersion2 := "DEVELOPMENT.GOGET"
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tmpfile1, err := ioutil.TempFile("", "get-current-release-time-testcase-1")
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if err != nil {
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t.Fatalf("Unable to create temporary file. %s", err)
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}
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defer os.Remove(tmpfile1.Name())
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minioBinaryPath2 := tmpfile1.Name()
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fi, err := tmpfile1.Stat()
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if err != nil {
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t.Fatalf("Unable to get temporary file info. %s", err)
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}
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if err = tmpfile1.Close(); err != nil {
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t.Fatalf("Unable to create temporary file. %s", err)
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}
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releaseTime2 := fi.ModTime().UTC()
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minioBinaryPath3 := "go"
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if runtime.GOOS == globalWindowsOSName {
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minioBinaryPath3 = "go.exe"
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}
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goBinAbsPath, err := exec.LookPath(minioBinaryPath3)
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if err != nil {
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t.Fatal(err)
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}
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fi, err = osStat(goBinAbsPath)
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if err != nil {
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t.Fatal(err)
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}
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releaseTime3 := fi.ModTime().UTC()
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// Get a non-absolute binary path.
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minioBinaryPath4 := filepath.Base(tmpfile1.Name())
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// Get a non-existent absolute binary path
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minioBinaryPath5 := "/tmp/non-existent-file"
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if runtime.GOOS == globalWindowsOSName {
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minioBinaryPath5 = "C:\\tmp\\non-existent-file"
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}
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errorMessage1 := "exec: \"\": executable file not found in $PATH"
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if runtime.GOOS == globalWindowsOSName {
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errorMessage1 = "exec: \"\": executable file not found in %PATH%"
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}
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errorMessage2 := "exec: \"non-existent-file\": executable file not found in $PATH"
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if runtime.GOOS == globalWindowsOSName {
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errorMessage2 = "exec: \"non-existent-file\": executable file not found in %PATH%"
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}
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errorMessage3 := fmt.Sprintf("exec: \"%s\": executable file not found in $PATH", minioBinaryPath4)
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if runtime.GOOS == globalWindowsOSName {
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errorMessage3 = "exec: \"" + minioBinaryPath4 + "\": executable file not found in %PATH%"
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}
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errorMessage4 := "Unable to get ModTime of /tmp/non-existent-file. stat /tmp/non-existent-file: no such file or directory"
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if runtime.GOOS == "windows" {
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errorMessage4 = "Unable to get ModTime of C:\\tmp\\non-existent-file. CreateFile C:\\tmp\\non-existent-file: The system cannot find the path specified."
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}
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testCases := []struct {
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minioVersion string
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minioBinaryPath string
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expectedResult time.Time
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expectedErr error
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}{
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{minioVersion1, "", releaseTime1, nil},
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{minioVersion1, minioBinaryPath2, releaseTime1, nil},
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{minioVersion2, minioBinaryPath2, releaseTime2, nil},
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{minioVersion2, minioBinaryPath3, releaseTime3, nil},
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{"junk", minioBinaryPath2, releaseTime2, nil},
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{"3.2.0", minioBinaryPath2, releaseTime2, nil},
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{minioVersion2, "", time.Time{}, errors.New(errorMessage1)},
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{"junk", "non-existent-file", time.Time{}, errors.New(errorMessage2)},
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{"3.2.0", "non-existent-file", time.Time{}, errors.New(errorMessage2)},
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{minioVersion2, minioBinaryPath4, time.Time{}, errors.New(errorMessage3)},
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{minioVersion2, minioBinaryPath5, time.Time{}, errors.New(errorMessage4)},
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}
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if runtime.GOOS == "linux" {
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testCases = append(testCases, struct {
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minioVersion string
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minioBinaryPath string
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expectedResult time.Time
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expectedErr error
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}{"3.2a", "/proc/1/cwd", time.Time{}, errors.New("Unable to get ModTime of /proc/1/cwd. stat /proc/1/cwd: permission denied")})
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}
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for _, testCase := range testCases {
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result, err := getCurrentReleaseTime(testCase.minioVersion, testCase.minioBinaryPath)
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if testCase.expectedErr == nil {
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if err != nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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} else if err == nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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} else if testCase.expectedErr.Error() != err.Error() {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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if !testCase.expectedResult.Equal(result) {
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t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, result)
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}
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}
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}
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// Tests user agent string.
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func TestUserAgent(t *testing.T) {
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testCases := []struct {
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envName string
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envValue string
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mode string
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expectedStr string
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}{
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{
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envName: "",
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envValue: "",
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mode: globalMinioModeFS,
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expectedStr: fmt.Sprintf("Minio (%s; %s; %s; source) Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET", runtime.GOOS, runtime.GOARCH, globalMinioModeFS),
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},
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{
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envName: "MESOS_CONTAINER_NAME",
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envValue: "mesos-11111",
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mode: globalMinioModeXL,
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expectedStr: fmt.Sprintf("Minio (%s; %s; %s; %s; source) Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET Minio/universe-%s", runtime.GOOS, runtime.GOARCH, globalMinioModeXL, "dcos", "mesos-1111"),
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},
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{
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envName: "KUBERNETES_SERVICE_HOST",
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envValue: "10.11.148.5",
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mode: globalMinioModeXL,
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expectedStr: fmt.Sprintf("Minio (%s; %s; %s; %s; source) Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET Minio/DEVELOPMENT.GOGET", runtime.GOOS, runtime.GOARCH, globalMinioModeXL, "kubernetes"),
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},
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}
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for i, testCase := range testCases {
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os.Setenv(testCase.envName, testCase.envValue)
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if testCase.envName == "MESOS_CONTAINER_NAME" {
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os.Setenv("MARATHON_APP_LABEL_DCOS_PACKAGE_VERSION", "mesos-1111")
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}
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str := getUserAgent(testCase.mode)
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if str != testCase.expectedStr {
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t.Errorf("Test %d: expected: %s, got: %s", i+1, testCase.expectedStr, str)
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}
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os.Unsetenv("MARATHON_APP_LABEL_DCOS_PACKAGE_VERSION")
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os.Unsetenv(testCase.envName)
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}
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}
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// Tests if the environment we are running is in DCOS.
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func TestIsDCOS(t *testing.T) {
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os.Setenv("MESOS_CONTAINER_NAME", "mesos-1111")
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dcos := IsDCOS()
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if !dcos {
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t.Fatalf("Expected %t, got %t", true, dcos)
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}
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os.Unsetenv("MESOS_CONTAINER_NAME")
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dcos = IsDCOS()
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if dcos {
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t.Fatalf("Expected %t, got %t", false, dcos)
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}
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}
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// Tests if the environment we are running is in kubernetes.
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func TestIsKubernetes(t *testing.T) {
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os.Setenv("KUBERNETES_SERVICE_HOST", "10.11.148.5")
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kubernetes := IsKubernetes()
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if !kubernetes {
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t.Fatalf("Expected %t, got %t", true, kubernetes)
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}
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os.Unsetenv("KUBERNETES_SERVICE_HOST")
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kubernetes = IsKubernetes()
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if kubernetes {
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t.Fatalf("Expected %t, got %t", false, kubernetes)
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}
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}
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// Tests if the environment we are running is in docker.
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func TestIsDocker(t *testing.T) {
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createTempFile := func(content string) string {
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tmpfile, err := ioutil.TempFile("", "isdocker-testcase")
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if err != nil {
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t.Fatalf("Unable to create temporary file. %s", err)
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}
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if _, err = tmpfile.Write([]byte(content)); err != nil {
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t.Fatalf("Unable to create temporary file. %s", err)
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}
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if err = tmpfile.Close(); err != nil {
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t.Fatalf("Unable to create temporary file. %s", err)
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}
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return tmpfile.Name()
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}
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filename := createTempFile("")
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defer os.Remove(filename)
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testCases := []struct {
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filename string
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expectedResult bool
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expectedErr error
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}{
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{"", false, nil},
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{"/tmp/non-existing-file", false, nil},
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{filename, true, nil},
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}
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if runtime.GOOS == "linux" {
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testCases = append(testCases, struct {
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filename string
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expectedResult bool
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expectedErr error
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}{"/proc/1/cwd", false, errors.New("stat /proc/1/cwd: permission denied")})
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}
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for _, testCase := range testCases {
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result, err := isDocker(testCase.filename)
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if testCase.expectedErr == nil {
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if err != nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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} else if err == nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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} else if testCase.expectedErr.Error() != err.Error() {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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if testCase.expectedResult != result {
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t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, result)
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}
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}
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}
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func TestIsSourceBuild(t *testing.T) {
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testCases := []struct {
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minioVersion string
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expectedResult bool
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}{
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{UTCNow().Format(time.RFC3339), false},
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{"DEVELOPMENT.GOGET", true},
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{"junk", true},
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{"3.2.4", true},
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}
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for _, testCase := range testCases {
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result := isSourceBuild(testCase.minioVersion)
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if testCase.expectedResult != result {
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t.Fatalf("expected: %v, got: %v", testCase.expectedResult, result)
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}
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}
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}
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func TestDownloadReleaseData(t *testing.T) {
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httpServer1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}))
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defer httpServer1.Close()
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httpServer2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "fbe246edbd382902db9a4035df7dce8cb441357d minio.RELEASE.2016-10-07T01-16-39Z")
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}))
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defer httpServer2.Close()
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httpServer3 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "", http.StatusNotFound)
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}))
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defer httpServer3.Close()
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testCases := []struct {
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releaseChecksumURL string
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expectedResult string
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expectedErr error
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}{
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{httpServer1.URL, "", nil},
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{httpServer2.URL, "fbe246edbd382902db9a4035df7dce8cb441357d minio.RELEASE.2016-10-07T01-16-39Z\n", nil},
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{httpServer3.URL, "", fmt.Errorf("Error downloading URL " + httpServer3.URL + ". Response: 404 Not Found")},
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}
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for _, testCase := range testCases {
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result, err := downloadReleaseData(testCase.releaseChecksumURL, 1*time.Second, "")
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if testCase.expectedErr == nil {
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if err != nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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} else if err == nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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} else if testCase.expectedErr.Error() != err.Error() {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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if testCase.expectedResult != result {
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t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, result)
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}
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}
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}
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func TestParseReleaseData(t *testing.T) {
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releaseTime, _ := time.Parse(minioReleaseTagTimeLayout, "2016-10-07T01-16-39Z")
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testCases := []struct {
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data string
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expectedResult time.Time
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expectedErr error
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}{
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{"more than two fields", time.Time{}, fmt.Errorf("Unknown release data `more than two fields`")},
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{"more than", time.Time{}, fmt.Errorf("Unknown release information `than`")},
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{"more than.two.fields", time.Time{}, fmt.Errorf("Unknown release 'than.two.fields'")},
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{"more minio.RELEASE.fields", time.Time{}, fmt.Errorf(`Unknown release time format. parsing time "fields" as "2006-01-02T15-04-05Z": cannot parse "fields" as "2006"`)},
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{"more minio.RELEASE.2016-10-07T01-16-39Z", releaseTime, nil},
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{"fbe246edbd382902db9a4035df7dce8cb441357d minio.RELEASE.2016-10-07T01-16-39Z\n", releaseTime, nil},
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}
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for _, testCase := range testCases {
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result, err := parseReleaseData(testCase.data)
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if testCase.expectedErr == nil {
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if err != nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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} else if err == nil {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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} else if testCase.expectedErr.Error() != err.Error() {
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t.Fatalf("error: expected: %v, got: %v", testCase.expectedErr, err)
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}
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if !testCase.expectedResult.Equal(result) {
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t.Fatalf("result: expected: %v, got: %v", testCase.expectedResult, result)
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}
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}
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}
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