mirror of https://github.com/minio/minio.git
336 lines
8.9 KiB
Go
336 lines
8.9 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018,2019 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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"bytes"
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"context"
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"io"
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"net/http"
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"testing"
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"github.com/minio/minio/pkg/hash"
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)
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// Initialize cache objects.
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func initCacheObjects(disk string, cacheMaxUse int) (*diskCache, error) {
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return newDiskCache(disk, 80, cacheMaxUse)
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}
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// inits diskCache struct for nDisks
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func initDiskCaches(drives []string, cacheMaxUse int, t *testing.T) ([]*diskCache, error) {
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var cb []*diskCache
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for _, d := range drives {
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obj, err := initCacheObjects(d, cacheMaxUse)
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if err != nil {
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return nil, err
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}
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cb = append(cb, obj)
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}
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return cb, nil
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}
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// Tests ToObjectInfo function.
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func TestCacheMetadataObjInfo(t *testing.T) {
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m := cacheMeta{Meta: nil}
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objInfo := m.ToObjectInfo("testbucket", "testobject")
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if objInfo.Size != 0 {
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t.Fatal("Unexpected object info value for Size", objInfo.Size)
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}
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if objInfo.ModTime != timeSentinel {
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t.Fatal("Unexpected object info value for ModTime ", objInfo.ModTime)
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}
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if objInfo.IsDir {
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t.Fatal("Unexpected object info value for IsDir", objInfo.IsDir)
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}
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if !objInfo.Expires.IsZero() {
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t.Fatal("Unexpected object info value for Expires ", objInfo.Expires)
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}
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}
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// test whether a drive being offline causes
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// getCachedLoc to fetch next online drive
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func TestGetCachedLoc(t *testing.T) {
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for n := 1; n < 10; n++ {
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fsDirs, err := getRandomDisks(n)
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if err != nil {
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t.Fatal(err)
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}
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d, err := initDiskCaches(fsDirs, 100, t)
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if err != nil {
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t.Fatal(err)
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}
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c := cacheObjects{cache: d}
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bucketName := "testbucket"
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objectName := "testobject"
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// find cache drive where object would be hashed
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index := c.hashIndex(bucketName, objectName)
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// turn off drive by setting online status to false
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c.cache[index].online = false
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cfs, err := c.getCacheLoc(bucketName, objectName)
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if n == 1 && err == errDiskNotFound {
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continue
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}
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if err != nil {
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t.Fatal(err)
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}
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i := -1
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for j, f := range c.cache {
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if f == cfs {
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i = j
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break
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}
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}
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if i != (index+1)%n {
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t.Fatalf("expected next cache location to be picked")
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}
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}
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}
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// test whether a drive being offline causes
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// getCachedLoc to fetch next online drive
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func TestGetCacheMaxUse(t *testing.T) {
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for n := 1; n < 10; n++ {
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fsDirs, err := getRandomDisks(n)
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if err != nil {
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t.Fatal(err)
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}
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d, err := initDiskCaches(fsDirs, 80, t)
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if err != nil {
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t.Fatal(err)
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}
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c := cacheObjects{cache: d}
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bucketName := "testbucket"
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objectName := "testobject"
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// find cache drive where object would be hashed
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index := c.hashIndex(bucketName, objectName)
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// turn off drive by setting online status to false
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c.cache[index].online = false
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cb, err := c.getCacheLoc(bucketName, objectName)
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if n == 1 && err == errDiskNotFound {
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continue
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}
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if err != nil {
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t.Fatal(err)
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}
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i := -1
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for j, f := range d {
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if f == cb {
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i = j
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break
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}
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}
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if i != (index+1)%n {
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t.Fatalf("expected next cache location to be picked")
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}
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}
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}
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// test wildcard patterns for excluding entries from cache
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func TestCacheExclusion(t *testing.T) {
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cobjects := &cacheObjects{
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cache: nil,
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}
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testCases := []struct {
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bucketName string
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objectName string
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excludePattern string
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expectedResult bool
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}{
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{"testbucket", "testobjectmatch", "testbucket/testobj*", true},
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{"testbucket", "testobjectnomatch", "testbucet/testobject*", false},
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{"testbucket", "testobject/pref1/obj1", "*/*", true},
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{"testbucket", "testobject/pref1/obj1", "*/pref1/*", true},
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{"testbucket", "testobject/pref1/obj1", "testobject/*", false},
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{"photos", "image1.jpg", "*.jpg", true},
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{"photos", "europe/paris/seine.jpg", "seine.jpg", false},
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{"photos", "europe/paris/seine.jpg", "*/seine.jpg", true},
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{"phil", "z/likes/coffee", "*/likes/*", true},
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{"failbucket", "no/slash/prefixes", "/failbucket/no/", false},
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{"failbucket", "no/slash/prefixes", "/failbucket/no/*", false},
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}
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for i, testCase := range testCases {
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cobjects.exclude = []string{testCase.excludePattern}
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if cobjects.isCacheExclude(testCase.bucketName, testCase.objectName) != testCase.expectedResult {
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t.Fatal("Cache exclusion test failed for case ", i)
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}
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}
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}
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// Test diskCache.
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func TestDiskCache(t *testing.T) {
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fsDirs, err := getRandomDisks(1)
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if err != nil {
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t.Fatal(err)
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}
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d, err := initDiskCaches(fsDirs, 100, t)
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if err != nil {
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t.Fatal(err)
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}
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c := cacheObjects{cache: d}
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cache := c.cache[0]
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ctx := context.Background()
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bucketName := "testbucket"
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objectName := "testobject"
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content := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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etag := "061208c10af71a30c6dcd6cf5d89f0fe"
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contentType := "application/zip"
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size := len(content)
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httpMeta := make(map[string]string)
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httpMeta["etag"] = etag
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httpMeta["content-type"] = contentType
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objInfo := ObjectInfo{}
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objInfo.Bucket = bucketName
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objInfo.Name = objectName
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objInfo.Size = int64(size)
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objInfo.ContentType = contentType
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objInfo.ETag = etag
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objInfo.UserDefined = httpMeta
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var opts ObjectOptions
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byteReader := bytes.NewReader([]byte(content))
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hashReader, err := hash.NewReader(byteReader, int64(size), "", "", int64(size), globalCLIContext.StrictS3Compat)
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if err != nil {
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t.Fatal(err)
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}
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err = cache.Put(ctx, bucketName, objectName, hashReader, hashReader.Size(), ObjectOptions{UserDefined: httpMeta})
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if err != nil {
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t.Fatal(err)
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}
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cReader, err := cache.Get(ctx, bucketName, objectName, nil, http.Header{
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"Content-Type": []string{"application/json"},
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}, opts)
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if err != nil {
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t.Fatal(err)
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}
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cachedObjInfo := cReader.ObjInfo
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if !cache.Exists(ctx, bucketName, objectName) {
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t.Fatal("Expected object to exist on cache")
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}
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if cachedObjInfo.ETag != objInfo.ETag {
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t.Fatal("Expected ETag to match")
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}
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if cachedObjInfo.Size != objInfo.Size {
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t.Fatal("Size mismatch")
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}
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if cachedObjInfo.ContentType != objInfo.ContentType {
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t.Fatal("Cached content-type does not match")
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}
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writer := bytes.NewBuffer(nil)
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_, err = io.Copy(writer, cReader)
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if err != nil {
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t.Fatal(err)
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}
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if ccontent := writer.Bytes(); !bytes.Equal([]byte(content), ccontent) {
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t.Errorf("wrong cached file content")
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}
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cReader.Close()
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cache.Delete(ctx, bucketName, objectName)
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online := cache.IsOnline()
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if !online {
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t.Errorf("expected cache drive to be online")
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}
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}
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// Test diskCache with upper bound on max cache use.
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func TestDiskCacheMaxUse(t *testing.T) {
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fsDirs, err := getRandomDisks(1)
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if err != nil {
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t.Fatal(err)
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}
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d, err := initDiskCaches(fsDirs, 80, t)
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if err != nil {
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t.Fatal(err)
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}
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cache := d[0]
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ctx := context.Background()
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bucketName := "testbucket"
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objectName := "testobject"
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content := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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etag := "061208c10af71a30c6dcd6cf5d89f0fe"
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contentType := "application/zip"
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size := len(content)
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httpMeta := make(map[string]string)
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httpMeta["etag"] = etag
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httpMeta["content-type"] = contentType
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objInfo := ObjectInfo{}
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objInfo.Bucket = bucketName
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objInfo.Name = objectName
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objInfo.Size = int64(size)
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objInfo.ContentType = contentType
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objInfo.ETag = etag
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objInfo.UserDefined = httpMeta
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opts := ObjectOptions{}
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byteReader := bytes.NewReader([]byte(content))
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hashReader, err := hash.NewReader(byteReader, int64(size), "", "", int64(size), globalCLIContext.StrictS3Compat)
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if err != nil {
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t.Fatal(err)
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}
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if !cache.diskAvailable(int64(size)) {
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err = cache.Put(ctx, bucketName, objectName, hashReader, hashReader.Size(), ObjectOptions{UserDefined: httpMeta})
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if err != errDiskFull {
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t.Fatal("Cache max-use limit violated.")
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}
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} else {
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err = cache.Put(ctx, bucketName, objectName, hashReader, hashReader.Size(), ObjectOptions{UserDefined: httpMeta})
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if err != nil {
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t.Fatal(err)
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}
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cReader, err := cache.Get(ctx, bucketName, objectName, nil, nil, opts)
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if err != nil {
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t.Fatal(err)
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}
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cachedObjInfo := cReader.ObjInfo
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if !cache.Exists(ctx, bucketName, objectName) {
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t.Fatal("Expected object to exist on cache")
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}
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if cachedObjInfo.ETag != objInfo.ETag {
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t.Fatal("Expected ETag to match")
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}
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if cachedObjInfo.Size != objInfo.Size {
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t.Fatal("Size mismatch")
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}
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if cachedObjInfo.ContentType != objInfo.ContentType {
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t.Fatal("Cached content-type does not match")
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}
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writer := bytes.NewBuffer(nil)
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_, err = io.Copy(writer, cReader)
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if err != nil {
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t.Fatal(err)
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}
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if ccontent := writer.Bytes(); !bytes.Equal([]byte(content), ccontent) {
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t.Errorf("wrong cached file content")
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}
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cReader.Close()
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cache.Delete(ctx, bucketName, objectName)
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online := cache.IsOnline()
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if !online {
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t.Errorf("expected cache drive to be online")
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}
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}
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}
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