mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
361 lines
9.9 KiB
Go
361 lines
9.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2015, 2016 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 main
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import (
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"bytes"
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"io"
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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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"sort"
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"strings"
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"testing"
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"time"
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)
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// The Argument to TestServer should satidy the interface.
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// Golang Testing.T and Testing.B, and gocheck.C satisfy the interface.
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// This makes it easy to run the TestServer from any of the tests.
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type TestErrHandler interface {
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Error(args ...interface{})
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Errorf(format string, args ...interface{})
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Failed() bool
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Fatal(args ...interface{})
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Fatalf(format string, args ...interface{})
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}
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const (
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// singleNodeTestStr is the string which is used as notation for Single node ObjectLayer in the unit tests.
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singleNodeTestStr string = "SingleNode"
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// xLTestStr is the string which is used as notation for XL ObjectLayer in the unit tests.
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xLTestStr string = "XL"
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)
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// TestServer encapsulates an instantiation of a Minio instance with a temporary backend.
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// Example usage:
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// s := StartTestServer(t,"XL")
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// defer s.Stop()
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type TestServer struct {
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Root string
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Disks []string
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AccessKey string
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SecretKey string
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Server *httptest.Server
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}
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// Starts the test server and returns the TestServer instance.
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func StartTestServer(t TestErrHandler, instanceType string) TestServer {
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// create an instance of TestServer.
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testServer := TestServer{}
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// create temporary backend for the test server.
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erasureDisks, err := makeTestBackend(instanceType)
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if err != nil {
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t.Fatalf("Failed obtaining Temp XL layer: <ERROR> %s", err)
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}
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testServer.Disks = erasureDisks
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// Obtain temp root.
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root, err := getTestRoot()
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if err != nil {
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t.Fatalf("Failed obtaining Temp XL layer: <ERROR> %s", err)
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}
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testServer.Root = root
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testServer.Disks = erasureDisks
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// Initialize server config.
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initConfig()
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// Get credential.
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credentials := serverConfig.GetCredential()
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testServer.AccessKey = credentials.AccessKeyID
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testServer.SecretKey = credentials.SecretAccessKey
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// Set a default region.
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serverConfig.SetRegion("us-east-1")
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// Do this only once here.
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setGlobalConfigPath(root)
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err = serverConfig.Save()
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if err != nil {
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t.Fatalf(err.Error())
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}
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// Run TestServer.
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testServer.Server = httptest.NewServer(configureServerHandler(serverCmdConfig{exportPaths: erasureDisks}))
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return testServer
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}
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// Deleting the temporary backend and stopping the server.
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func (testServer TestServer) Stop() {
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removeAll(testServer.Root)
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for _, disk := range testServer.Disks {
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removeAll(disk)
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}
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testServer.Server.Close()
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}
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// used to formulate HTTP v4 signed HTTP request.
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func newTestRequest(method, urlStr string, contentLength int64, body io.ReadSeeker, accessKey, secretKey string) (*http.Request, error) {
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if method == "" {
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method = "POST"
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}
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t := time.Now().UTC()
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req, err := http.NewRequest(method, urlStr, nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set("x-amz-date", t.Format(iso8601Format))
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// Add Content-Length
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req.ContentLength = contentLength
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// Save for subsequent use
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var hashedPayload string
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switch {
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case body == nil:
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hashedPayload = hex.EncodeToString(sum256([]byte{}))
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default:
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payloadBytes, e := ioutil.ReadAll(body)
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if e != nil {
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return nil, e
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}
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hashedPayload = hex.EncodeToString(sum256(payloadBytes))
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md5base64 := base64.StdEncoding.EncodeToString(sumMD5(payloadBytes))
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req.Header.Set("Content-Md5", md5base64)
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}
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req.Header.Set("x-amz-content-sha256", hashedPayload)
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// Seek back to beginning.
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if body != nil {
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body.Seek(0, 0)
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// Add body
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req.Body = ioutil.NopCloser(body)
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}
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var headers []string
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vals := make(map[string][]string)
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for k, vv := range req.Header {
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if _, ok := ignoredHeaders[http.CanonicalHeaderKey(k)]; ok {
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continue // ignored header
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}
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headers = append(headers, strings.ToLower(k))
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vals[strings.ToLower(k)] = vv
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}
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headers = append(headers, "host")
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sort.Strings(headers)
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var canonicalHeaders bytes.Buffer
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for _, k := range headers {
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canonicalHeaders.WriteString(k)
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canonicalHeaders.WriteByte(':')
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switch {
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case k == "host":
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canonicalHeaders.WriteString(req.URL.Host)
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fallthrough
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default:
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for idx, v := range vals[k] {
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if idx > 0 {
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canonicalHeaders.WriteByte(',')
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}
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canonicalHeaders.WriteString(v)
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}
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canonicalHeaders.WriteByte('\n')
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}
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}
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signedHeaders := strings.Join(headers, ";")
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req.URL.RawQuery = strings.Replace(req.URL.Query().Encode(), "+", "%20", -1)
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encodedPath := getURLEncodedName(req.URL.Path)
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// convert any space strings back to "+"
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encodedPath = strings.Replace(encodedPath, "+", "%20", -1)
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//
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// canonicalRequest =
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// <HTTPMethod>\n
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// <CanonicalURI>\n
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// <CanonicalQueryString>\n
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// <CanonicalHeaders>\n
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// <SignedHeaders>\n
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// <HashedPayload>
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//
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canonicalRequest := strings.Join([]string{
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req.Method,
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encodedPath,
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req.URL.RawQuery,
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canonicalHeaders.String(),
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signedHeaders,
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hashedPayload,
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}, "\n")
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scope := strings.Join([]string{
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t.Format(yyyymmdd),
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"us-east-1",
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"s3",
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"aws4_request",
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}, "/")
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stringToSign := "AWS4-HMAC-SHA256" + "\n" + t.Format(iso8601Format) + "\n"
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stringToSign = stringToSign + scope + "\n"
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stringToSign = stringToSign + hex.EncodeToString(sum256([]byte(canonicalRequest)))
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date := sumHMAC([]byte("AWS4"+secretKey), []byte(t.Format(yyyymmdd)))
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region := sumHMAC(date, []byte("us-east-1"))
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service := sumHMAC(region, []byte("s3"))
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signingKey := sumHMAC(service, []byte("aws4_request"))
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signature := hex.EncodeToString(sumHMAC(signingKey, []byte(stringToSign)))
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// final Authorization header
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parts := []string{
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"AWS4-HMAC-SHA256" + " Credential=" + accessKey + "/" + scope,
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"SignedHeaders=" + signedHeaders,
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"Signature=" + signature,
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}
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auth := strings.Join(parts, ", ")
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req.Header.Set("Authorization", auth)
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return req, nil
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}
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// creates the temp backend setup.
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// if the option is
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// FS: Returns a temp single disk setup initializes FS Backend.
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// XL: Returns a 16 temp single disk setup and initializse XL Backend.
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func makeTestBackend(instanceType string) ([]string, error) {
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switch instanceType {
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case "FS":
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_, fsroot, err := getSingleNodeObjectLayer()
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if err != nil {
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return []string{}, err
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}
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return []string{fsroot}, err
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case "XL":
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_, erasureDisks, err := getXLObjectLayer()
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if err != nil {
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return []string{}, err
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}
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return erasureDisks, err
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default:
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errMsg := "Invalid instance type, Only FS and XL are valid options"
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return []string{}, fmt.Errorf("Failed obtaining Temp XL layer: <ERROR> %s", errMsg)
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}
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}
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// returns temp root directory. `
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func getTestRoot() (string, error) {
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return ioutil.TempDir(os.TempDir(), "api-")
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}
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// getXLObjectLayer - Instantiates XL object layer and returns it.
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func getXLObjectLayer() (ObjectLayer, []string, error) {
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var nDisks = 16 // Maximum disks.
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var erasureDisks []string
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for i := 0; i < nDisks; i++ {
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path, err := ioutil.TempDir(os.TempDir(), "minio-")
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if err != nil {
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return nil, nil, err
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}
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erasureDisks = append(erasureDisks, path)
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}
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// Initialize name space lock.
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initNSLock()
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objLayer, err := newXLObjects(erasureDisks)
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if err != nil {
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return nil, nil, err
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}
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return objLayer, erasureDisks, nil
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}
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// getSingleNodeObjectLayer - Instantiates single node object layer and returns it.
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func getSingleNodeObjectLayer() (ObjectLayer, string, error) {
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// Make a temporary directory to use as the obj.
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fsDir, err := ioutil.TempDir("", "minio-")
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if err != nil {
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return nil, "", err
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}
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// Initialize name space lock.
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initNSLock()
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// Create the obj.
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objLayer, err := newFSObjects(fsDir)
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if err != nil {
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return nil, "", err
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}
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return objLayer, fsDir, nil
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}
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// removeRoots - Cleans up initialized directories during tests.
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func removeRoots(roots []string) {
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for _, root := range roots {
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removeAll(root)
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}
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}
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// removeRandomDisk - removes a count of random disks from a disk slice.
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func removeRandomDisk(disks []string, removeCount int) {
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ints := randInts(len(disks))
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for _, i := range ints[:removeCount] {
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removeAll(disks[i-1])
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}
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}
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// Regular object test type.
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type objTestType func(obj ObjectLayer, instanceType string, t *testing.T)
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// Special object test type for disk not found situations.
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type objTestDiskNotFoundType func(obj ObjectLayer, instanceType string, dirs []string, t *testing.T)
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// ExecObjectLayerTest - executes object layer tests.
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// Creates single node and XL ObjectLayer instance and runs test for both the layers.
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func ExecObjectLayerTest(t *testing.T, objTest objTestType) {
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objLayer, fsDir, err := getSingleNodeObjectLayer()
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if err != nil {
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t.Fatalf("Initialization of object layer failed for single node setup: %s", err.Error())
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}
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// Executing the object layer tests for single node setup.
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objTest(objLayer, singleNodeTestStr, t)
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objLayer, fsDirs, err := getXLObjectLayer()
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if err != nil {
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t.Fatalf("Initialization of object layer failed for XL setup: %s", err.Error())
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}
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// Executing the object layer tests for XL.
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objTest(objLayer, xLTestStr, t)
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defer removeRoots(append(fsDirs, fsDir))
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}
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// ExecObjectLayerDiskNotFoundTest - executes object layer tests while deleting
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// disks in between tests. Creates XL ObjectLayer instance and runs test for XL layer.
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func ExecObjectLayerDiskNotFoundTest(t *testing.T, objTest objTestDiskNotFoundType) {
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objLayer, fsDirs, err := getXLObjectLayer()
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if err != nil {
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t.Fatalf("Initialization of object layer failed for XL setup: %s", err.Error())
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}
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// Executing the object layer tests for XL.
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objTest(objLayer, xLTestStr, fsDirs, t)
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defer removeRoots(fsDirs)
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}
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