mirror of
https://github.com/ceph/ceph-csi.git
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47b202554e
This commit adds the Azure SDK for Azure key vault KMS integration to the Ceph CSI driver. Signed-off-by: Praveen M <m.praveen@ibm.com>
76 lines
3.0 KiB
Go
76 lines
3.0 KiB
Go
//go:build go1.18
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// +build go1.18
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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package azidentity
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import (
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"context"
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"github.com/Azure/azure-sdk-for-go/sdk/azcore"
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"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
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"github.com/Azure/azure-sdk-for-go/sdk/azcore/runtime"
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"github.com/AzureAD/microsoft-authentication-library-for-go/apps/confidential"
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)
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const credNameSecret = "ClientSecretCredential"
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// ClientSecretCredentialOptions contains optional parameters for ClientSecretCredential.
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type ClientSecretCredentialOptions struct {
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azcore.ClientOptions
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// AdditionallyAllowedTenants specifies additional tenants for which the credential may acquire tokens.
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// Add the wildcard value "*" to allow the credential to acquire tokens for any tenant in which the
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// application is registered.
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AdditionallyAllowedTenants []string
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// DisableInstanceDiscovery should be set true only by applications authenticating in disconnected clouds, or
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// private clouds such as Azure Stack. It determines whether the credential requests Microsoft Entra instance metadata
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// from https://login.microsoft.com before authenticating. Setting this to true will skip this request, making
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// the application responsible for ensuring the configured authority is valid and trustworthy.
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DisableInstanceDiscovery bool
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// tokenCachePersistenceOptions enables persistent token caching when not nil.
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tokenCachePersistenceOptions *tokenCachePersistenceOptions
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}
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// ClientSecretCredential authenticates an application with a client secret.
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type ClientSecretCredential struct {
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client *confidentialClient
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}
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// NewClientSecretCredential constructs a ClientSecretCredential. Pass nil for options to accept defaults.
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func NewClientSecretCredential(tenantID string, clientID string, clientSecret string, options *ClientSecretCredentialOptions) (*ClientSecretCredential, error) {
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if options == nil {
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options = &ClientSecretCredentialOptions{}
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}
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cred, err := confidential.NewCredFromSecret(clientSecret)
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if err != nil {
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return nil, err
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}
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msalOpts := confidentialClientOptions{
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AdditionallyAllowedTenants: options.AdditionallyAllowedTenants,
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ClientOptions: options.ClientOptions,
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DisableInstanceDiscovery: options.DisableInstanceDiscovery,
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tokenCachePersistenceOptions: options.tokenCachePersistenceOptions,
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}
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c, err := newConfidentialClient(tenantID, clientID, credNameSecret, cred, msalOpts)
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if err != nil {
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return nil, err
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}
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return &ClientSecretCredential{client: c}, nil
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}
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// GetToken requests an access token from Microsoft Entra ID. This method is called automatically by Azure SDK clients.
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func (c *ClientSecretCredential) GetToken(ctx context.Context, opts policy.TokenRequestOptions) (azcore.AccessToken, error) {
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var err error
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ctx, endSpan := runtime.StartSpan(ctx, credNameSecret+"."+traceOpGetToken, c.client.azClient.Tracer(), nil)
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defer func() { endSpan(err) }()
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tk, err := c.client.GetToken(ctx, opts)
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return tk, err
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}
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var _ azcore.TokenCredential = (*ClientSecretCredential)(nil)
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