/* 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 oracle import ( "context" "crypto/rand" "crypto/rsa" "crypto/x509" "encoding/base64" "encoding/pem" "errors" "fmt" "reflect" "strings" "testing" "time" "github.com/oracle/oci-go-sdk/v65/common" "github.com/oracle/oci-go-sdk/v65/secrets" "github.com/oracle/oci-go-sdk/v65/vault" "github.com/stretchr/testify/assert" corev1 "k8s.io/api/core/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/runtime" "k8s.io/utils/ptr" clientfake "sigs.k8s.io/controller-runtime/pkg/client/fake" esv1alpha1 "github.com/external-secrets/external-secrets/apis/externalsecrets/v1alpha1" esv1beta1 "github.com/external-secrets/external-secrets/apis/externalsecrets/v1beta1" esmeta "github.com/external-secrets/external-secrets/apis/meta/v1" fakeoracle "github.com/external-secrets/external-secrets/pkg/provider/oracle/fake" testingfake "github.com/external-secrets/external-secrets/pkg/provider/testing/fake" ) const ( vaultOCID = "vault-OCID" region = "some-region" tenant = "a-tenant" userOCID = "user-OCID" secretKey = "key" secretName = "name" ) type vaultTestCase struct { mockClient *fakeoracle.OracleMockClient apiInput *secrets.GetSecretBundleByNameRequest apiOutput *secrets.GetSecretBundleByNameResponse ref *esv1beta1.ExternalSecretDataRemoteRef apiErr error expectError string expectedSecret string // for testing secretmap expectedData map[string][]byte } func makeValidVaultTestCase() *vaultTestCase { smtc := vaultTestCase{ mockClient: &fakeoracle.OracleMockClient{}, apiInput: makeValidAPIInput(), ref: makeValidRef(), apiOutput: makeValidAPIOutput(), apiErr: nil, expectError: "", expectedSecret: "", expectedData: map[string][]byte{}, } smtc.mockClient.WithValue(*smtc.apiInput, *smtc.apiOutput, smtc.apiErr) return &smtc } func makeValidRef() *esv1beta1.ExternalSecretDataRemoteRef { return &esv1beta1.ExternalSecretDataRemoteRef{ Key: "test-secret", Version: "default", } } func makeValidAPIInput() *secrets.GetSecretBundleByNameRequest { return &secrets.GetSecretBundleByNameRequest{ SecretName: ptr.To("test-secret"), VaultId: ptr.To("test-vault"), } } func makeValidAPIOutput() *secrets.GetSecretBundleByNameResponse { return &secrets.GetSecretBundleByNameResponse{ SecretBundle: secrets.SecretBundle{}, } } func makeValidVaultTestCaseCustom(tweaks ...func(smtc *vaultTestCase)) *vaultTestCase { smtc := makeValidVaultTestCase() for _, fn := range tweaks { fn(smtc) } smtc.mockClient.WithValue(*smtc.apiInput, *smtc.apiOutput, smtc.apiErr) return smtc } // This case can be shared by both GetSecret and GetSecretMap tests. // bad case: set apiErr. var setAPIErr = func(smtc *vaultTestCase) { smtc.apiErr = errors.New("oh no") smtc.expectError = "oh no" } var setNilMockClient = func(smtc *vaultTestCase) { smtc.mockClient = nil smtc.expectError = errUninitalizedOracleProvider } func TestOracleVaultGetSecret(t *testing.T) { secretValue := "changedvalue" // good case: default version is set // key is passed in, output is sent back setSecretString := func(smtc *vaultTestCase) { smtc.apiOutput = &secrets.GetSecretBundleByNameResponse{ SecretBundle: secrets.SecretBundle{ SecretId: ptr.To("test-id"), VersionNumber: ptr.To(int64(1)), SecretBundleContent: secrets.Base64SecretBundleContentDetails{ Content: ptr.To(base64.StdEncoding.EncodeToString([]byte(secretValue))), }, }, } smtc.expectedSecret = secretValue } successCases := []*vaultTestCase{ makeValidVaultTestCaseCustom(setAPIErr), makeValidVaultTestCaseCustom(setNilMockClient), makeValidVaultTestCaseCustom(setSecretString), } sm := VaultManagementService{} for k, v := range successCases { sm.Client = v.mockClient fmt.Println(*v.ref) out, err := sm.GetSecret(context.Background(), *v.ref) if !ErrorContains(err, v.expectError) { t.Errorf("[%d] unexpected error: %s, expected: '%s'", k, err.Error(), v.expectError) } if string(out) != v.expectedSecret { t.Errorf("[%d] unexpected secret: expected %s, got %s", k, v.expectedSecret, string(out)) } } } func TestGetSecretMap(t *testing.T) { // good case: default version & deserialization setDeserialization := func(smtc *vaultTestCase) { smtc.apiOutput.SecretBundleContent = secrets.Base64SecretBundleContentDetails{ Content: ptr.To(base64.StdEncoding.EncodeToString([]byte(`{"foo":"bar"}`))), } smtc.expectedData["foo"] = []byte("bar") } // bad case: invalid json setInvalidJSON := func(smtc *vaultTestCase) { smtc.apiOutput.SecretBundleContent = secrets.Base64SecretBundleContentDetails{ Content: ptr.To(base64.StdEncoding.EncodeToString([]byte(`-----------------`))), } smtc.expectError = "unable to unmarshal secret" } successCases := []*vaultTestCase{ makeValidVaultTestCaseCustom(setDeserialization), makeValidVaultTestCaseCustom(setInvalidJSON), makeValidVaultTestCaseCustom(setNilMockClient), makeValidVaultTestCaseCustom(setAPIErr), } sm := VaultManagementService{} for k, v := range successCases { sm.Client = v.mockClient out, err := sm.GetSecretMap(context.Background(), *v.ref) if !ErrorContains(err, v.expectError) { t.Errorf("[%d] unexpected error: %s, expected: '%s'", k, err.Error(), v.expectError) } if err == nil && !reflect.DeepEqual(out, v.expectedData) { t.Errorf("[%d] unexpected secret data: expected %#v, got %#v", k, v.expectedData, out) } } } func ErrorContains(out error, want string) bool { if out == nil { return want == "" } if want == "" { return false } return strings.Contains(out.Error(), want) } type storeModifier func(*esv1beta1.SecretStore) *esv1beta1.SecretStore func makeSecretStore(vault, region string, fn ...storeModifier) *esv1beta1.SecretStore { store := &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vault, Region: region, }, }, }, } for _, f := range fn { store = f(store) } return store } func withSecretAuth(user, tenancy string) storeModifier { return func(store *esv1beta1.SecretStore) *esv1beta1.SecretStore { store.Spec.Provider.Oracle.Auth = &esv1beta1.OracleAuth{ User: user, Tenancy: tenancy, } return store } } func withPrivateKey(name, key string, namespace *string) storeModifier { return func(store *esv1beta1.SecretStore) *esv1beta1.SecretStore { store.Spec.Provider.Oracle.Auth.SecretRef.PrivateKey = esmeta.SecretKeySelector{ Name: name, Key: key, Namespace: namespace, } return store } } func withFingerprint(name, key string, namespace *string) storeModifier { return func(store *esv1beta1.SecretStore) *esv1beta1.SecretStore { store.Spec.Provider.Oracle.Auth.SecretRef.Fingerprint = esmeta.SecretKeySelector{ Name: name, Key: key, Namespace: namespace, } return store } } type ValidateStoreTestCase struct { store *esv1beta1.SecretStore err error } func TestValidateStore(t *testing.T) { namespace := "my-namespace" testCases := []ValidateStoreTestCase{ { store: makeSecretStore("", region), err: errors.New("vault cannot be empty"), }, { store: makeSecretStore(vaultOCID, ""), err: errors.New("region cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth("", tenant)), err: errors.New("user cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, "")), err: errors.New("tenant cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey("", secretKey, nil)), err: errors.New("privateKey.name cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey(secretName, secretKey, &namespace)), err: errors.New("namespace should either be empty or match the namespace of the SecretStore for a namespaced SecretStore"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey(secretName, "", nil)), err: errors.New("privateKey.key cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey(secretName, secretKey, nil), withFingerprint("", secretKey, nil)), err: errors.New("fingerprint.name cannot be empty"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey(secretName, secretKey, nil), withFingerprint(secretName, secretKey, &namespace)), err: errors.New("namespace should either be empty or match the namespace of the SecretStore for a namespaced SecretStore"), }, { store: makeSecretStore(vaultOCID, region, withSecretAuth(userOCID, tenant), withPrivateKey(secretName, secretKey, nil), withFingerprint(secretName, "", nil)), err: errors.New("fingerprint.key cannot be empty"), }, { store: makeSecretStore(vaultOCID, region), err: nil, }, } p := VaultManagementService{} for _, tc := range testCases { _, err := p.ValidateStore(tc.store) if tc.err != nil && err != nil && err.Error() != tc.err.Error() { t.Errorf("test failed! want %v, got %v", tc.err, err) } else if tc.err == nil && err != nil { t.Errorf("want nil got err %v", err) } else if tc.err != nil && err == nil { t.Errorf("want err %v got nil", tc.err) } } } func TestVaultManagementService_NewClient(t *testing.T) { t.Parallel() namespace := "default" authSecretName := "oracle-auth" auth := &esv1beta1.OracleAuth{ User: "user", Tenancy: "tenancy", SecretRef: esv1beta1.OracleSecretRef{ PrivateKey: esmeta.SecretKeySelector{ Name: authSecretName, Key: "privateKey", }, Fingerprint: esmeta.SecretKeySelector{ Name: authSecretName, Key: "fingerprint", }, }, } tests := []struct { desc string secretStore *esv1beta1.SecretStore expectedErr string }{ { desc: "no retry settings", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: auth, }, }, }, }, }, { desc: "fill all the retry settings", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: auth, }, }, RetrySettings: &esv1beta1.SecretStoreRetrySettings{ RetryInterval: ptr.To("1s"), MaxRetries: ptr.To(int32(5)), }, }, }, }, { desc: "partially configure the retry settings - retry interval", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: auth, }, }, RetrySettings: &esv1beta1.SecretStoreRetrySettings{ RetryInterval: ptr.To("1s"), }, }, }, }, { desc: "partially configure the retry settings - max retries", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: auth, }, }, RetrySettings: &esv1beta1.SecretStoreRetrySettings{ MaxRetries: ptr.To(int32(5)), }, }, }, }, { desc: "auth secret does not exist", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: &esv1beta1.OracleAuth{ User: "user", Tenancy: "tenancy", SecretRef: esv1beta1.OracleSecretRef{ PrivateKey: esmeta.SecretKeySelector{ Name: "non-existing-secret", Key: "privateKey", }, Fingerprint: esmeta.SecretKeySelector{ Name: "non-existing-secret", Key: "fingerprint", }, }, }, }, }, RetrySettings: &esv1beta1.SecretStoreRetrySettings{ RetryInterval: ptr.To("invalid"), }, }, }, expectedErr: `cannot get Kubernetes secret "non-existing-secret": secrets "non-existing-secret" not found`, }, { desc: "invalid retry interval", secretStore: &esv1beta1.SecretStore{ Spec: esv1beta1.SecretStoreSpec{ Provider: &esv1beta1.SecretStoreProvider{ Oracle: &esv1beta1.OracleProvider{ Vault: vaultOCID, Region: region, Auth: auth, }, }, RetrySettings: &esv1beta1.SecretStoreRetrySettings{ RetryInterval: ptr.To("invalid"), }, }, }, expectedErr: "cannot setup new oracle client: time: invalid duration", }, } for _, tc := range tests { t.Run(tc.desc, func(t *testing.T) { provider := &VaultManagementService{ Client: &fakeoracle.OracleMockClient{}, KmsVaultClient: nil, vault: vaultOCID, } pk, err := rsa.GenerateKey(rand.Reader, 2048) if err != nil { t.Fatalf("failed to create a private key: %v", err) } schema := runtime.NewScheme() if err := corev1.AddToScheme(schema); err != nil { t.Fatalf("failed to add to schema: %v", err) } builder := clientfake.NewClientBuilder().WithRuntimeObjects(&corev1.Secret{ ObjectMeta: metav1.ObjectMeta{ Name: authSecretName, Namespace: namespace, }, Data: map[string][]byte{ "privateKey": pem.EncodeToMemory(&pem.Block{ Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(pk), }), "fingerprint": []byte("fingerprint"), }, }) _, err = provider.NewClient(context.Background(), tc.secretStore, builder.Build(), namespace) if err != nil { if tc.expectedErr == "" { t.Fatalf("failed to call NewClient: %v", err) } if !strings.Contains(err.Error(), tc.expectedErr) { t.Fatalf("received an unexpected error: %q should have contained %q", err.Error(), tc.expectedErr) } return } if tc.expectedErr != "" { t.Fatalf("expeceted to receive an error but got nil") } }) } } func TestOracleVaultGetAllSecrets(t *testing.T) { var testCases = map[string]struct { vms *VaultManagementService ref esv1beta1.ExternalSecretFind result map[string][]byte }{ "filters secrets that don't match the pattern": { &VaultManagementService{ Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s2id: s2bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{ SecretSummaries: []vault.SecretSummary{ s1summary, s2summary, }, }, }, esv1beta1.ExternalSecretFind{ Name: &esv1beta1.FindName{ RegExp: "^test.*", }, }, map[string][]byte{ s1id: []byte(s1id), }, }, "filters secrets that are deleting": { &VaultManagementService{ Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s2id: s2bundle, s3id: s3bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{ SecretSummaries: []vault.SecretSummary{ s1summary, s2summary, s3summary, }, }, }, esv1beta1.ExternalSecretFind{ Name: &esv1beta1.FindName{ RegExp: ".*", }, }, map[string][]byte{ s1id: []byte(s1id), s2id: []byte(s2id), }, }, } for name, testCase := range testCases { t.Run(name, func(t *testing.T) { result, err := testCase.vms.GetAllSecrets(context.Background(), testCase.ref) assert.NoError(t, err) assert.EqualValues(t, testCase.result, result) }) } } func TestOracleVaultPushSecret(t *testing.T) { testSecretKey := "test-secret-key" encryptionKey := "must-not-be-blank-for-push" var testCases = map[string]struct { vms *VaultManagementService data testingfake.PushSecretData validator func(service *VaultManagementService) bool content string }{ "create a secret if not exists": { &VaultManagementService{ encryptionKey: encryptionKey, Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s2id: s2bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, testingfake.PushSecretData{ SecretKey: testSecretKey, RemoteKey: s1id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).CreatedCount == 1 }, "created", }, "create a json secret if not exists": { &VaultManagementService{ encryptionKey: encryptionKey, Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s2id: s2bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, testingfake.PushSecretData{ SecretKey: testSecretKey, RemoteKey: s1id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).CreatedCount == 1 }, "{'key-a':'secret-a', 'key-b': 'secret-b'}", }, "update a secret if exists": { &VaultManagementService{ encryptionKey: encryptionKey, Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s2id: s2bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, testingfake.PushSecretData{ SecretKey: testSecretKey, RemoteKey: s1id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).UpdatedCount == 1 }, "updated", }, "neither create nor update if secret content is unchanged": { &VaultManagementService{ encryptionKey: encryptionKey, Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s2id: s2bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, testingfake.PushSecretData{ SecretKey: testSecretKey, RemoteKey: s1id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).UpdatedCount == 0 && vms.VaultClient.(*fakeoracle.OracleMockVaultClient).CreatedCount == 0 }, s1id, }, } for name, testCase := range testCases { t.Run(name, func(t *testing.T) { s := &corev1.Secret{Data: map[string][]byte{testSecretKey: []byte(testCase.content)}} err := testCase.vms.PushSecret(context.Background(), s, testCase.data) assert.NoError(t, err) assert.True(t, testCase.validator(testCase.vms)) }) } } func TestOracleVaultDeleteSecret(t *testing.T) { var testCases = map[string]struct { vms *VaultManagementService remoteRef esv1beta1.PushSecretRemoteRef validator func(service *VaultManagementService) bool }{ "do not delete if secret not found": { &VaultManagementService{ Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, esv1alpha1.PushSecretRemoteRef{ RemoteKey: s2id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).DeletedCount == 0 }, }, "do not delete if secret os already deleting": { &VaultManagementService{ Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s3id: s3bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, esv1alpha1.PushSecretRemoteRef{ RemoteKey: s3id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).DeletedCount == 0 }, }, "delete existing secret": { &VaultManagementService{ Client: &fakeoracle.OracleMockClient{ SecretBundles: map[string]secrets.SecretBundle{ s1id: s1bundle, s3id: s3bundle, }, }, VaultClient: &fakeoracle.OracleMockVaultClient{}, }, esv1alpha1.PushSecretRemoteRef{ RemoteKey: s1id, }, func(vms *VaultManagementService) bool { return vms.VaultClient.(*fakeoracle.OracleMockVaultClient).DeletedCount == 1 }, }, } for name, testCase := range testCases { t.Run(name, func(t *testing.T) { err := testCase.vms.DeleteSecret(context.Background(), testCase.remoteRef) assert.NoError(t, err) assert.True(t, testCase.validator(testCase.vms)) }) } } var ( s1id = "test1" s2id = "mysecret" s3id = "deleting" s1bundle = makeSecretBundle(s1id, false) s2bundle = makeSecretBundle(s2id, false) s3bundle = makeSecretBundle(s3id, true) s1summary = makeSecretSummary(s1id, false) s2summary = makeSecretSummary(s2id, false) s3summary = makeSecretSummary(s3id, true) ) func makeSecretBundle(id string, deleting bool) secrets.SecretBundle { var deletionTime *common.SDKTime if deleting { deletionTime = &common.SDKTime{ Time: time.Now(), } } return secrets.SecretBundle{ SecretId: &id, SecretBundleContent: secrets.Base64SecretBundleContentDetails{ Content: ptr.To(base64.StdEncoding.EncodeToString([]byte(id))), }, TimeOfDeletion: deletionTime, } } func makeSecretSummary(id string, deleting bool) vault.SecretSummary { var deletionTime *common.SDKTime if deleting { deletionTime = &common.SDKTime{ Time: time.Now(), } } return vault.SecretSummary{ Id: &id, SecretName: &id, TimeOfDeletion: deletionTime, } }