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Merge pull request kubernetes-sigs#6309 from zarvd/cp-release-1.30/fe…
…at/cross-tenant/aux-token-provider [release-1.30] Enable multi-tenant authentication with auxiliary token provider
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| 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 armauth | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
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| "github.com/Azure/azure-sdk-for-go/sdk/azcore" | ||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore/policy" | ||
| "github.com/go-logr/logr" | ||
| ) | ||
|
|
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| // MultiTenantTokenProvider is the track1 multi-tenant token provider wrapper for track2 implementation. | ||
| type MultiTenantTokenProvider struct { | ||
| logger logr.Logger | ||
| primaryCredential azcore.TokenCredential | ||
| auxiliaryCredentials []azcore.TokenCredential | ||
| timeout time.Duration | ||
| scope string | ||
| } | ||
|
|
||
| func NewMultiTenantTokenProvider( | ||
| logger logr.Logger, | ||
| primaryCredential azcore.TokenCredential, | ||
| auxiliaryCredentials []azcore.TokenCredential, | ||
| scope string, | ||
| ) (*MultiTenantTokenProvider, error) { | ||
| return &MultiTenantTokenProvider{ | ||
| logger: logger, | ||
| primaryCredential: primaryCredential, | ||
| auxiliaryCredentials: auxiliaryCredentials, | ||
| timeout: 10 * time.Second, | ||
| scope: scope, | ||
| }, nil | ||
| } | ||
|
|
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| func (p *MultiTenantTokenProvider) PrimaryOAuthToken() string { | ||
| p.logger.V(4).Info("Fetching primary oauth token") | ||
| ctx, cancel := context.WithTimeout(context.Background(), p.timeout) | ||
| defer cancel() | ||
|
|
||
| token, err := p.primaryCredential.GetToken(ctx, policy.TokenRequestOptions{ | ||
| Scopes: []string{p.scope}, | ||
| }) | ||
| if err != nil { | ||
| p.logger.Error(err, "Failed to fetch primary OAuth token") | ||
| return "" | ||
| } | ||
| return token.Token | ||
| } | ||
|
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| func (p *MultiTenantTokenProvider) AuxiliaryOAuthTokens() []string { | ||
| p.logger.V(4).Info("Fetching auxiliary oauth token", "num-credentials", len(p.auxiliaryCredentials)) | ||
| ctx, cancel := context.WithTimeout(context.Background(), p.timeout) | ||
| defer cancel() | ||
|
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| var tokens []string | ||
| for _, cred := range p.auxiliaryCredentials { | ||
| token, err := cred.GetToken(ctx, policy.TokenRequestOptions{ | ||
| Scopes: []string{p.scope}, | ||
| }) | ||
| if err != nil { | ||
| p.logger.Error(err, "Failed to fetch auxiliary OAuth token") | ||
| return nil | ||
| } | ||
|
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| tokens = append(tokens, token.Token) | ||
| } | ||
|
|
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| return tokens | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| 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 armauth | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore" | ||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore/policy" | ||
| "github.com/go-logr/logr" | ||
| ) | ||
|
|
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| // TokenProvider is the track1 token provider wrapper for track2 implementation. | ||
| type TokenProvider struct { | ||
| logger logr.Logger | ||
| credential azcore.TokenCredential | ||
| timeout time.Duration | ||
| scope string | ||
| } | ||
|
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||
| func NewTokenProvider( | ||
| logger logr.Logger, | ||
| credential azcore.TokenCredential, | ||
| scope string, | ||
| ) (*TokenProvider, error) { | ||
| return &TokenProvider{ | ||
| logger: logger, | ||
| credential: credential, | ||
| timeout: 10 * time.Second, | ||
| scope: scope, | ||
| }, nil | ||
| } | ||
|
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| func (p *TokenProvider) OAuthToken() string { | ||
| p.logger.V(4).Info("Fetching OAuth token") | ||
| ctx, cancel := context.WithTimeout(context.Background(), p.timeout) | ||
| defer cancel() | ||
|
|
||
| token, err := p.credential.GetToken(ctx, policy.TokenRequestOptions{ | ||
| Scopes: []string{p.scope}, | ||
| }) | ||
| if err != nil { | ||
| p.logger.Error(err, "Failed to fetch OAuth token") | ||
| return "" | ||
| } | ||
| p.logger.V(4).Info("Fetched OAuth token successfully", "token", token.Token) | ||
| return token.Token | ||
| } |
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