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[library usage] Implement library token provider (#380)
* feat: define types * refactor: move environment variables to `internal/env` * feat: implement OptionsWithEnv * feat: convert library options to internal options * feat: implement library token provider * fix: drop ROPCLogin from library usage for now * doc: typo
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package env | ||
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| const ( | ||
| // env vars | ||
| LoginMethod = "AAD_LOGIN_METHOD" | ||
| KubeloginROPCUsername = "AAD_USER_PRINCIPAL_NAME" | ||
| KubeloginROPCPassword = "AAD_USER_PRINCIPAL_PASSWORD" | ||
| KubeloginClientID = "AAD_SERVICE_PRINCIPAL_CLIENT_ID" | ||
| KubeloginClientSecret = "AAD_SERVICE_PRINCIPAL_CLIENT_SECRET" | ||
| KubeloginClientCertificatePath = "AAD_SERVICE_PRINCIPAL_CLIENT_CERTIFICATE" | ||
| KubeloginClientCertificatePassword = "AAD_SERVICE_PRINCIPAL_CLIENT_CERTIFICATE_PASSWORD" | ||
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| // env vars used by Terraform | ||
| TerraformClientID = "ARM_CLIENT_ID" | ||
| TerraformClientSecret = "ARM_CLIENT_SECRET" | ||
| TerraformClientCertificatePath = "ARM_CLIENT_CERTIFICATE_PATH" | ||
| TerraformClientCertificatePassword = "ARM_CLIENT_CERTIFICATE_PASSWORD" | ||
| TerraformTenantID = "ARM_TENANT_ID" | ||
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| // env vars following azure sdk naming convention | ||
| AzureAuthorityHost = "AZURE_AUTHORITY_HOST" | ||
| AzureClientCertificatePassword = "AZURE_CLIENT_CERTIFICATE_PASSWORD" | ||
| AzureClientCertificatePath = "AZURE_CLIENT_CERTIFICATE_PATH" | ||
| AzureClientID = "AZURE_CLIENT_ID" | ||
| AzureClientSecret = "AZURE_CLIENT_SECRET" | ||
| AzureFederatedTokenFile = "AZURE_FEDERATED_TOKEN_FILE" | ||
| AzureTenantID = "AZURE_TENANT_ID" | ||
| AzureUsername = "AZURE_USERNAME" | ||
| AzurePassword = "AZURE_PASSWORD" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package token | ||
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| import "github.com/Azure/kubelogin/pkg/internal/token" | ||
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| // list of supported login methods for library consumers | ||
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| const ( | ||
| ServicePrincipalLogin = token.ServicePrincipalLogin | ||
| MSILogin = token.MSILogin | ||
| WorkloadIdentityLogin = token.WorkloadIdentityLogin | ||
| ) | ||
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| // Options defines the options for getting token. | ||
| // This struct is a subset of internal/token.Options where its values are copied | ||
| // to internal type. See internal/token/options.go for details | ||
| type Options struct { | ||
| LoginMethod string | ||
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| // shared login settings | ||
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| Environment string | ||
| TenantID string | ||
| ServerID string | ||
| ClientID string | ||
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| // for ServicePrincipalLogin | ||
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| ClientSecret string | ||
| ClientCert string | ||
| ClientCertPassword string | ||
| IsPoPTokenEnabled bool | ||
| PoPTokenClaims string | ||
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| // for MSILogin | ||
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| IdentityResourceID string | ||
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| // for WorkloadIdentityLogin | ||
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| AuthorityHost string | ||
| FederatedTokenFile string | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package token | ||
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| import ( | ||
| "os" | ||
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| "github.com/Azure/kubelogin/pkg/internal/env" | ||
| "github.com/Azure/kubelogin/pkg/internal/token" | ||
| ) | ||
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| // OptionsWithEnv loads options from environment variables. | ||
| func OptionsWithEnv() *Options { | ||
| // initial default values | ||
| rv := &Options{ | ||
| LoginMethod: os.Getenv(env.LoginMethod), | ||
| TenantID: os.Getenv(env.AzureTenantID), | ||
| ClientID: os.Getenv(env.KubeloginClientID), | ||
| ClientSecret: os.Getenv(env.KubeloginClientSecret), | ||
| ClientCert: os.Getenv(env.KubeloginClientCertificatePath), | ||
| ClientCertPassword: os.Getenv(env.KubeloginClientCertificatePassword), | ||
| AuthorityHost: os.Getenv(env.AzureAuthorityHost), | ||
| FederatedTokenFile: os.Getenv(env.AzureFederatedTokenFile), | ||
| } | ||
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| // azure variant overrides | ||
| if v, ok := os.LookupEnv(env.AzureClientID); ok { | ||
| rv.ClientID = v | ||
| } | ||
| if v, ok := os.LookupEnv(env.AzureClientSecret); ok { | ||
| rv.ClientSecret = v | ||
| } | ||
| if v, ok := os.LookupEnv(env.AzureClientCertificatePath); ok { | ||
| rv.ClientCert = v | ||
| } | ||
| if v, ok := os.LookupEnv(env.AzureClientCertificatePassword); ok { | ||
| rv.ClientCertPassword = v | ||
| } | ||
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| return rv | ||
| } | ||
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| func (opts *Options) toInternalOptions() *token.Options { | ||
| return &token.Options{ | ||
| LoginMethod: opts.LoginMethod, | ||
| Environment: opts.Environment, | ||
| TenantID: opts.TenantID, | ||
| ServerID: opts.ServerID, | ||
| ClientID: opts.ClientID, | ||
| ClientSecret: opts.ClientSecret, | ||
| ClientCert: opts.ClientCert, | ||
| ClientCertPassword: opts.ClientCertPassword, | ||
| IsPoPTokenEnabled: opts.IsPoPTokenEnabled, | ||
| PoPTokenClaims: opts.PoPTokenClaims, | ||
| IdentityResourceID: opts.IdentityResourceID, | ||
| AuthorityHost: opts.AuthorityHost, | ||
| FederatedTokenFile: opts.FederatedTokenFile, | ||
| } | ||
| } |
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