Files
fission-src/pkg/storagesvc/client/storagesvc_test.go
T
2020-06-15 19:13:13 +05:30

252 lines
6.2 KiB
Go

/*
Copyright 2017 The Fission Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package client
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
"log"
"os"
"testing"
"time"
"github.com/dchest/uniuri"
"github.com/fission/fission/pkg/storagesvc"
"github.com/minio/minio-go/v6"
"github.com/ory/dockertest"
dc "github.com/ory/dockertest/docker"
"go.uber.org/zap"
)
const (
minioAccessKeyID = "minioadmin"
minioSecretAccessKey = "minioadmin"
minioRegion = "ap-south-1"
)
func panicIf(err error) {
if err != nil {
log.Panicf("Error: %v", err)
}
}
func MakeTestFile(size int) *os.File {
f, err := ioutil.TempFile("", "storagesvc_test_")
panicIf(err)
_, err = f.Write(bytes.Repeat([]byte("."), size))
panicIf(err)
return f
}
func runMinioDockerContainer(pool *dockertest.Pool) *dockertest.Resource {
options := &dockertest.RunOptions{
Repository: "minio/minio",
Tag: "latest",
Cmd: []string{"server", "/data"},
PortBindings: map[dc.Port][]dc.PortBinding{
"9000/tcp": {{HostIP: "", HostPort: "9000"}},
},
}
// pulls an image, creates a container based on it and runs it
resource, err := pool.RunWithOptions(options)
if err != nil {
log.Fatalf("Could not start resource: %s", err)
}
return resource
}
func startS3StorageService(endpoint, bucketName, subDir string) {
// testID := uniuri.NewLen(8)
port := 8081
logger, err := zap.NewDevelopment()
panicIf(err)
log.Println("starting storage svc")
os.Setenv("STORAGE_S3_ENDPOINT", endpoint)
os.Setenv("STORAGE_S3_BUCKET_NAME", bucketName)
os.Setenv("STORAGE_S3_SUB_DIR", subDir)
os.Setenv("STORAGE_S3_ACCESS_KEY_ID", minioAccessKeyID)
os.Setenv("STORAGE_S3_SECRET_ACCESS_KEY", minioSecretAccessKey)
os.Setenv("STORAGE_S3_REGION", minioRegion)
storage := storagesvc.NewS3Storage()
_ = storagesvc.Start(logger, storage, port)
}
func TestS3StorageService(t *testing.T) {
fmt.Println("Test S3 Storage service")
var minioClient *minio.Client
// Start minio docker container
pool, err := dockertest.NewPool("")
resource := runMinioDockerContainer(pool)
endpoint := fmt.Sprintf("localhost:%s", resource.GetPort("9000/tcp"))
if err := pool.Retry(func() error {
minioClient, err = minio.New(endpoint, minioAccessKeyID, minioSecretAccessKey, false)
if err != nil {
return err
}
// This is to ensure container is up. Just getting minioClient
// isn't suffcient to assume container is up.
_, err = minioClient.ListBuckets()
if err != nil {
return err
}
return nil
}); err != nil {
log.Fatalf("Could not connect to docker: %s", err)
}
defer pool.Purge(resource)
// Start storagesvc
bucketName := "test-s3-service"
subDir := "x/y/z"
startS3StorageService(endpoint, bucketName, subDir)
time.Sleep(time.Second)
client := MakeClient(fmt.Sprintf("http://localhost:%v/", 8081))
// generate a test file
tmpfile := MakeTestFile(10 * 1024)
defer os.Remove(tmpfile.Name())
// store it
metadata := make(map[string]string)
ctx := context.Background()
fileID, err := client.Upload(ctx, tmpfile.Name(), &metadata)
panicIf(err)
time.Sleep(10 * time.Second)
// Retrive file trhough minioClient
reader, err := minioClient.GetObject(bucketName, fileID, minio.GetObjectOptions{})
panicIf(err)
defer reader.Close()
retThroughMinio, err := ioutil.TempFile("", "storagesvc_verify_minio_")
panicIf(err)
defer os.Remove(retThroughMinio.Name())
stat, err := reader.Stat()
panicIf(err)
if _, err := io.CopyN(retThroughMinio, reader, stat.Size); err != nil {
log.Fatalln(err)
}
// Retrieve file through API
retThroughAPI, err := ioutil.TempFile("", "storagesvc_verify_")
panicIf(err)
os.Remove(retThroughAPI.Name())
err = client.Download(ctx, fileID, retThroughAPI.Name())
panicIf(err)
defer os.Remove(retThroughAPI.Name())
// compare contents
contentsMinio, err := ioutil.ReadFile(retThroughMinio.Name())
panicIf(err)
contentsAPI, err := ioutil.ReadFile(retThroughAPI.Name())
panicIf(err)
if !bytes.Equal(contentsMinio, contentsAPI) {
log.Panic("Contents don't match")
}
// delete uploaded file
err = client.Delete(ctx, fileID)
panicIf(err)
// make sure download fails
err = client.Download(ctx, fileID, "xxx")
if err == nil {
log.Panic("Download succeeded but file isn't supposed to exist")
}
}
func TestLocalStorageService(t *testing.T) {
testID := uniuri.NewLen(8)
port := 8080
logger, err := zap.NewDevelopment()
panicIf(err)
log.Println("starting storage svc")
localPath := fmt.Sprintf("/tmp/%v", testID)
_ = os.Mkdir(localPath, os.ModePerm)
storage := storagesvc.NewLocalStorage(localPath)
_ = storagesvc.Start(logger, storage, port)
time.Sleep(time.Second)
client := MakeClient(fmt.Sprintf("http://localhost:%v/", port))
// generate a test file
tmpfile := MakeTestFile(10 * 1024)
defer os.Remove(tmpfile.Name())
// store it
metadata := make(map[string]string)
ctx := context.Background()
fileID, err := client.Upload(ctx, tmpfile.Name(), &metadata)
panicIf(err)
// make a temp file for verification
retrievedfile, err := ioutil.TempFile("", "storagesvc_verify_")
panicIf(err)
os.Remove(retrievedfile.Name())
// retrieve uploaded file
err = client.Download(ctx, fileID, retrievedfile.Name())
panicIf(err)
defer os.Remove(retrievedfile.Name())
// compare contents
contents1, err := ioutil.ReadFile(tmpfile.Name())
panicIf(err)
contents2, err := ioutil.ReadFile(retrievedfile.Name())
panicIf(err)
if !bytes.Equal(contents1, contents2) {
log.Panic("Contents don't match")
}
// delete uploaded file
err = client.Delete(ctx, fileID)
panicIf(err)
// make sure download fails
err = client.Download(ctx, fileID, "xxx")
if err == nil {
log.Panic("Download succeeded but file isn't supposed to exist")
}
// // cleanup /tmp
os.RemoveAll(fmt.Sprintf("/tmp/%v", testID))
}