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We wanted to be able to use the IAM role provided by the EC2 instance metadata in order to access S3 via the Minio configuration. To do this, a new credentials chain is added that will check the following locations for credentials when an access key is not provided. In priority order, they are: 1. MINIO_ prefixed environment variables 2. AWS_ prefixed environment variables 3. a minio credentials file 4. an aws credentials file 5. EC2 instance metadata (cherry picked from commit c0880e7695346997c6a93f05cd01634cb3ad03ee) Conflicts: docs/content/administration/config-cheat-sheet.en-us.md does not exist in Forgejo
215 lines
6.9 KiB
Go
215 lines
6.9 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package storage
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"os"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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"github.com/minio/minio-go/v7"
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"github.com/stretchr/testify/assert"
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)
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func TestMinioStorageIterator(t *testing.T) {
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if os.Getenv("CI") == "" {
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t.Skip("minioStorage not present outside of CI")
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return
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}
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testStorageIterator(t, setting.MinioStorageType, &setting.Storage{
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MinioConfig: setting.MinioStorageConfig{
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Endpoint: "minio:9000",
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AccessKeyID: "123456",
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SecretAccessKey: "12345678",
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Bucket: "gitea",
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Location: "us-east-1",
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},
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})
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}
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func TestVirtualHostMinioStorage(t *testing.T) {
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if os.Getenv("CI") == "" {
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t.Skip("minioStorage not present outside of CI")
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return
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}
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testStorageIterator(t, setting.MinioStorageType, &setting.Storage{
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MinioConfig: setting.MinioStorageConfig{
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Endpoint: "minio:9000",
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AccessKeyID: "123456",
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SecretAccessKey: "12345678",
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Bucket: "gitea",
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Location: "us-east-1",
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BucketLookup: "dns",
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},
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})
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}
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func TestMinioStoragePath(t *testing.T) {
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m := &MinioStorage{basePath: ""}
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assert.Equal(t, "", m.buildMinioPath("/"))
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assert.Equal(t, "", m.buildMinioPath("."))
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assert.Equal(t, "a", m.buildMinioPath("/a"))
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assert.Equal(t, "a/b", m.buildMinioPath("/a/b/"))
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assert.Equal(t, "", m.buildMinioDirPrefix(""))
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assert.Equal(t, "a/", m.buildMinioDirPrefix("/a/"))
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m = &MinioStorage{basePath: "/"}
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assert.Equal(t, "", m.buildMinioPath("/"))
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assert.Equal(t, "", m.buildMinioPath("."))
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assert.Equal(t, "a", m.buildMinioPath("/a"))
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assert.Equal(t, "a/b", m.buildMinioPath("/a/b/"))
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assert.Equal(t, "", m.buildMinioDirPrefix(""))
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assert.Equal(t, "a/", m.buildMinioDirPrefix("/a/"))
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m = &MinioStorage{basePath: "/base"}
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assert.Equal(t, "base", m.buildMinioPath("/"))
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assert.Equal(t, "base", m.buildMinioPath("."))
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assert.Equal(t, "base/a", m.buildMinioPath("/a"))
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assert.Equal(t, "base/a/b", m.buildMinioPath("/a/b/"))
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assert.Equal(t, "base/", m.buildMinioDirPrefix(""))
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assert.Equal(t, "base/a/", m.buildMinioDirPrefix("/a/"))
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m = &MinioStorage{basePath: "/base/"}
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assert.Equal(t, "base", m.buildMinioPath("/"))
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assert.Equal(t, "base", m.buildMinioPath("."))
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assert.Equal(t, "base/a", m.buildMinioPath("/a"))
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assert.Equal(t, "base/a/b", m.buildMinioPath("/a/b/"))
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assert.Equal(t, "base/", m.buildMinioDirPrefix(""))
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assert.Equal(t, "base/a/", m.buildMinioDirPrefix("/a/"))
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}
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func TestS3StorageBadRequest(t *testing.T) {
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if os.Getenv("CI") == "" {
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t.Skip("S3Storage not present outside of CI")
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return
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}
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cfg := &setting.Storage{
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MinioConfig: setting.MinioStorageConfig{
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Endpoint: "minio:9000",
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AccessKeyID: "123456",
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SecretAccessKey: "12345678",
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Bucket: "bucket",
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Location: "us-east-1",
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},
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}
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message := "ERROR"
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old := getBucketVersioning
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defer func() { getBucketVersioning = old }()
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getBucketVersioning = func(ctx context.Context, minioClient *minio.Client, bucket string) error {
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return minio.ErrorResponse{
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StatusCode: http.StatusBadRequest,
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Code: "FixtureError",
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Message: message,
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}
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}
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_, err := NewStorage(setting.MinioStorageType, cfg)
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assert.ErrorContains(t, err, message)
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}
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func TestMinioCredentials(t *testing.T) {
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const (
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ExpectedAccessKey = "ExampleAccessKeyID"
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ExpectedSecretAccessKey = "ExampleSecretAccessKeyID"
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// Use a FakeEndpoint for IAM credentials to avoid logging any
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// potential real IAM credentials when running in EC2.
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FakeEndpoint = "http://localhost"
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)
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t.Run("Static Credentials", func(t *testing.T) {
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cfg := setting.MinioStorageConfig{
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AccessKeyID: ExpectedAccessKey,
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SecretAccessKey: ExpectedSecretAccessKey,
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}
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creds := buildMinioCredentials(cfg, FakeEndpoint)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey, v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey, v.SecretAccessKey)
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})
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t.Run("Chain", func(t *testing.T) {
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cfg := setting.MinioStorageConfig{}
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t.Run("EnvMinio", func(t *testing.T) {
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t.Setenv("MINIO_ACCESS_KEY", ExpectedAccessKey+"Minio")
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t.Setenv("MINIO_SECRET_KEY", ExpectedSecretAccessKey+"Minio")
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creds := buildMinioCredentials(cfg, FakeEndpoint)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey+"Minio", v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey+"Minio", v.SecretAccessKey)
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})
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t.Run("EnvAWS", func(t *testing.T) {
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t.Setenv("AWS_ACCESS_KEY", ExpectedAccessKey+"AWS")
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t.Setenv("AWS_SECRET_KEY", ExpectedSecretAccessKey+"AWS")
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creds := buildMinioCredentials(cfg, FakeEndpoint)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey+"AWS", v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey+"AWS", v.SecretAccessKey)
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})
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t.Run("FileMinio", func(t *testing.T) {
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t.Setenv("MINIO_SHARED_CREDENTIALS_FILE", "testdata/minio.json")
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// prevent loading any actual credentials files from the user
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t.Setenv("AWS_SHARED_CREDENTIALS_FILE", "testdata/fake")
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creds := buildMinioCredentials(cfg, FakeEndpoint)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey+"MinioFile", v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey+"MinioFile", v.SecretAccessKey)
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})
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t.Run("FileAWS", func(t *testing.T) {
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// prevent loading any actual credentials files from the user
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t.Setenv("MINIO_SHARED_CREDENTIALS_FILE", "testdata/fake.json")
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t.Setenv("AWS_SHARED_CREDENTIALS_FILE", "testdata/aws_credentials")
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creds := buildMinioCredentials(cfg, FakeEndpoint)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey+"AWSFile", v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey+"AWSFile", v.SecretAccessKey)
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})
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t.Run("IAM", func(t *testing.T) {
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// prevent loading any actual credentials files from the user
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t.Setenv("MINIO_SHARED_CREDENTIALS_FILE", "testdata/fake.json")
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t.Setenv("AWS_SHARED_CREDENTIALS_FILE", "testdata/fake")
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// Spawn a server to emulate the EC2 Instance Metadata
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// The client will actually make 3 requests here,
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// first will be to get the IMDSv2 token, second to
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// get the role, and third for the actual
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// credentials. However, we can return credentials
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// every request since we're not emulating a full
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// IMDSv2 flow.
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w.Write([]byte(`{"Code":"Success","AccessKeyId":"ExampleAccessKeyIDIAM","SecretAccessKey":"ExampleSecretAccessKeyIDIAM"}`))
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}))
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defer server.Close()
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// Use the provided EC2 Instance Metadata server
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creds := buildMinioCredentials(cfg, server.URL)
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v, err := creds.Get()
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assert.NoError(t, err)
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assert.Equal(t, ExpectedAccessKey+"IAM", v.AccessKeyID)
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assert.Equal(t, ExpectedSecretAccessKey+"IAM", v.SecretAccessKey)
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})
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})
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}
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