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Signed-off-by: Ashutosh Kumar <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package scope | ||
|
|
||
| import ( | ||
| "context" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore" | ||
| "github.com/Azure/azure-sdk-for-go/sdk/azcore/policy" | ||
| "github.com/Azure/azure-sdk-for-go/sdk/azidentity" | ||
| ) | ||
|
|
||
| type workloadIdentityCredential struct { | ||
| assertion string | ||
| file string | ||
| cred *azidentity.ClientAssertionCredential | ||
| lastRead time.Time | ||
| } | ||
|
|
||
| type WorkloadIdentityCredentialOptions struct { | ||
| ClientID string | ||
| TenantID string | ||
| TokenFilePath string | ||
| azcore.ClientOptions | ||
| } | ||
|
|
||
| func NewWorkloadIdentityCredentialOptions() *WorkloadIdentityCredentialOptions { | ||
| return &WorkloadIdentityCredentialOptions{} | ||
| } | ||
|
|
||
| func (w *WorkloadIdentityCredentialOptions) WithClientID(clientID string) *WorkloadIdentityCredentialOptions { | ||
| w.ClientID = clientID | ||
| return w | ||
| } | ||
|
|
||
| func (w *WorkloadIdentityCredentialOptions) WithTenantID(tenantID string) *WorkloadIdentityCredentialOptions { | ||
| w.TenantID = tenantID | ||
| return w | ||
| } | ||
|
|
||
| func (w *WorkloadIdentityCredentialOptions) WithTokenFilePath(tokenFilePath string) *WorkloadIdentityCredentialOptions { | ||
| w.TokenFilePath = tokenFilePath | ||
| return w | ||
| } | ||
|
|
||
| func NewWorkloadIdentityCredential(options *WorkloadIdentityCredentialOptions) (*workloadIdentityCredential, error) { | ||
| w := &workloadIdentityCredential{file: options.TokenFilePath} | ||
| cred, err := azidentity.NewClientAssertionCredential(options.TenantID, options.ClientID, w.getAssertion, &azidentity.ClientAssertionCredentialOptions{ClientOptions: options.ClientOptions}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| w.cred = cred | ||
| return w, nil | ||
| } | ||
|
|
||
| func (w *workloadIdentityCredential) GetToken(ctx context.Context, opts policy.TokenRequestOptions) (azcore.AccessToken, error) { | ||
| return w.cred.GetToken(ctx, opts) | ||
| } | ||
|
|
||
| func (w *workloadIdentityCredential) getAssertion(context.Context) (string, error) { | ||
| if now := time.Now(); w.lastRead.Add(5 * time.Minute).Before(now) { | ||
| content, err := os.ReadFile(w.file) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| w.assertion = string(content) | ||
| w.lastRead = now | ||
| } | ||
| return w.assertion, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,7 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| labels: | ||
| azure.workload.identity/use: "true" | ||
| name: manager | ||
| namespace: system | ||
| namespace: system |
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