132 lines
3.6 KiB
Go
132 lines
3.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package azure
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import (
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"context"
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"fmt"
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"net"
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"os"
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"strconv"
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"testing"
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"time"
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"github.com/hashicorp/vault/helper/testhelpers/azurite"
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"github.com/Azure/azure-storage-blob-go/azblob"
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log "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/vault/sdk/helper/logging"
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"github.com/hashicorp/vault/sdk/physical"
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)
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/// These tests run against an Azurite docker container, unless AZURE_ACCOUNT_NAME is given.
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/// Authentication options:
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/// - Use a static access key via AZURE_ACCOUNT_KEY
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/// - Use managed identities (leave AZURE_ACCOUNT_KEY empty)
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///
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/// To run the tests using managed identities, the following pre-requisites have to be met:
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/// 1. Access to the Azure Instance Metadata Service (IMDS) is required (e.g. run it on a Azure VM)
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/// 2. A system-assigned oder user-assigned identity attached to the host running the test
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/// 3. A role assignment for a storage account with "Storage Blob Data Contributor" permissions
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func testFixture(t *testing.T) (*AzureBackend, func()) {
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t.Helper()
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ts := time.Now().UnixNano()
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name := fmt.Sprintf("vault-test-%d", ts)
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_ = os.Setenv("AZURE_BLOB_CONTAINER", name)
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cleanup := func() {}
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backendConf := map[string]string{
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"container": name,
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}
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if os.Getenv("AZURE_ACCOUNT_NAME") == "" {
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dockerCleanup, conf := azurite.PrepareTestContainer(t, "")
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cfgaz := conf.(*azurite.Config)
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backendConf["accountName"] = cfgaz.AccountName
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backendConf["accountKey"] = cfgaz.AccountKey
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backendConf["testHost"] = cfgaz.Endpoint
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cleanup = dockerCleanup
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} else {
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accountKey := os.Getenv("AZURE_ACCOUNT_KEY")
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if accountKey != "" {
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t.Log("using account key provided to authenticate against storage account")
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} else {
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t.Log("using managed identity to authenticate against storage account")
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if !isIMDSReachable(t) {
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t.Log("running managed identity test requires access to the Azure IMDS with a valid identity for a storage account attached to it, skipping")
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t.SkipNow()
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}
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}
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}
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backend, err := NewAzureBackend(backendConf, logging.NewVaultLogger(log.Debug))
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if err != nil {
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defer cleanup()
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t.Fatalf("err: %s", err)
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}
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azBackend := backend.(*AzureBackend)
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return azBackend, func() {
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blobService, err := azBackend.container.GetProperties(context.Background(), azblob.LeaseAccessConditions{})
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if err != nil {
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t.Logf("failed to retrieve blob container info: %v", err)
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return
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}
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if blobService.StatusCode() == 200 {
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_, err := azBackend.container.Delete(context.Background(), azblob.ContainerAccessConditions{})
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if err != nil {
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t.Logf("clean up failed: %v", err)
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}
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}
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cleanup()
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}
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}
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func TestAzureBackend(t *testing.T) {
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backend, cleanup := testFixture(t)
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defer cleanup()
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physical.ExerciseBackend(t, backend)
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physical.ExerciseBackend_ListPrefix(t, backend)
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}
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func TestAzureBackend_ListPaging(t *testing.T) {
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backend, cleanup := testFixture(t)
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defer cleanup()
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// by default, azure returns 5000 results in a page, load up more than that
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for i := 0; i < MaxListResults+100; i++ {
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if err := backend.Put(context.Background(), &physical.Entry{
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Key: "foo" + strconv.Itoa(i),
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Value: []byte(strconv.Itoa(i)),
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}); err != nil {
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t.Fatalf("err: %s", err)
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}
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}
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results, err := backend.List(context.Background(), "")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if len(results) != MaxListResults+100 {
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t.Fatalf("expected %d, got %d, %v", MaxListResults+100, len(results), results)
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}
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}
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func isIMDSReachable(t *testing.T) bool {
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t.Helper()
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_, err := net.DialTimeout("tcp", "169.254.169.254:80", time.Second*3)
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if err != nil {
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return false
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}
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return true
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}
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