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generalize solution

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This commit is contained in:
jadarsie 2019-11-21 19:14:47 -08:00
parent 11b0e9af25
commit 3322ff9551
3 changed files with 18 additions and 22 deletions
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2
pkg/credentialprovider/azure/azure_credentials.go
View File

@ -144,7 +144,7 @@ func (a *acrProvider) loadConfig(rdr io.Reader) error {
klog.Errorf("Failed to load azure credential file: %v", err)
}
a.environment, err = auth.ParseAzureEnvironment(a.config.Cloud, a.config.CloudFQDN, a.config.IdentitySystem)
a.environment, err = auth.ParseAzureEnvironment(a.config.Cloud, a.config.ResourceManagerEndpoint, a.config.IdentitySystem)
if err != nil {
return err
}

36
staging/src/k8s.io/legacy-cloud-providers/azure/auth/azure_auth.go
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@ -65,9 +65,9 @@ type AzureAuthConfig struct {
// IdentitySystem indicates the identity provider. Relevant only to hybrid clouds (Azure Stack).
// Allowed values are 'azure_ad' (default), 'adfs'.
IdentitySystem string `json:"identitySystem,omitempty" yaml:"identitySystem,omitempty"`
// CloudFQDN represents the hybrid cloud's fully qualified domain name: {location}.{domain}
// If set, cloud provider will generate its autorest.Environment instead of using one of the pre-defined ones.
CloudFQDN string `json:"cloudFQDN,omitempty" yaml:"cloudFQDN,omitempty"`
// ResourceManagerEndpoint is the cloud's resource manager endpoint. If set, cloud provider queries this endpoint
// in order to generate an autorest.Environment instance instead of using one of the pre-defined Environments.
ResourceManagerEndpoint string `json:"resourceManagerEndpoint,omitempty" yaml:"resourceManagerEndpoint,omitempty"`
}
// GetServicePrincipalToken creates a new service principal token based on the configuration
@ -133,18 +133,17 @@ func GetServicePrincipalToken(config *AzureAuthConfig, env *azure.Environment) (
}
// ParseAzureEnvironment returns the azure environment.
// If 'cloudFQDN' is set, environment is computed by quering the cloud's resource manager endpoint.
// If 'resourceManagerEndpoint' is set, the environment is computed by quering the cloud's resource manager endpoint.
// Otherwise, a pre-defined Environment is looked up by name.
func ParseAzureEnvironment(cloudName, cloudFQDN, identitySystem string) (*azure.Environment, error) {
func ParseAzureEnvironment(cloudName, resourceManagerEndpoint, identitySystem string) (*azure.Environment, error) {
var env azure.Environment
var err error
if cloudFQDN != "" {
resourceManagerEndpoint := fmt.Sprintf("https://management.%s/", cloudFQDN)
nameOverride := azure.OverrideProperty{Key: azure.EnvironmentName, Value: cloudName}
if resourceManagerEndpoint != "" {
klog.V(4).Infof("Loading environment from resource manager endpoint: %s", resourceManagerEndpoint)
nameOverride := azure.OverrideProperty{Key: azure.EnvironmentName, Value: cloudName}
env, err = azure.EnvironmentFromURL(resourceManagerEndpoint, nameOverride)
if err == nil && strings.EqualFold(cloudName, "AzureStackCloud") {
azureStackOverrides(&env, cloudFQDN, identitySystem)
if err == nil {
azureStackOverrides(&env, resourceManagerEndpoint, identitySystem)
}
} else if cloudName == "" {
klog.V(4).Info("Using public cloud environment")
@ -172,19 +171,16 @@ func decodePkcs12(pkcs []byte, password string) (*x509.Certificate, *rsa.Private
}
// azureStackOverrides ensures that the Environment matches what AKSe currently generates for Azure Stack
func azureStackOverrides(env *azure.Environment, cloudFQDN, identitySystem string) {
env.ManagementPortalURL = fmt.Sprintf("https://portal.%s/", cloudFQDN)
// TODO: figure out why AKSe does this
// why is autorest not setting ServiceManagementEndpoint?
func azureStackOverrides(env *azure.Environment, resourceManagerEndpoint, identitySystem string) {
env.ManagementPortalURL = strings.Replace(resourceManagerEndpoint, "https://management.", "https://portal.", -1)
// TODO: figure out why AKSe does this, why is autorest not setting ServiceManagementEndpoint?
env.ServiceManagementEndpoint = env.TokenAudience
// TODO: figure out why AKSe does this
// May not be required, ResourceManagerVMDNSSuffix is not used by k/k
split := strings.Split(cloudFQDN, ".")
domain := strings.Join(split[1:], ".")
env.ResourceManagerVMDNSSuffix = fmt.Sprintf("cloudapp.%s", domain)
// NOTE: autorest sets KeyVaultEndpoint while AKSe does not
// TODO: figure out why AKSe does this, may not be required, ResourceManagerVMDNSSuffix is not referenced anywhere
env.ResourceManagerVMDNSSuffix = strings.Replace(resourceManagerEndpoint, "https://management.", "cloudapp.", -1)
env.ResourceManagerVMDNSSuffix = strings.TrimSuffix(env.ResourceManagerVMDNSSuffix, "/")
if strings.EqualFold(identitySystem, ADFSIdentitySystem) {
env.ActiveDirectoryEndpoint = strings.TrimSuffix(env.ActiveDirectoryEndpoint, "/")
env.ActiveDirectoryEndpoint = strings.TrimSuffix(env.ActiveDirectoryEndpoint, "adfs")
}
// NOTE: autorest sets KeyVaultEndpoint while AKSe does not
}

2
staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
View File

@ -325,7 +325,7 @@ func (az *Cloud) InitializeCloudFromConfig(config *Config, fromSecret bool) erro
}
}
env, err := auth.ParseAzureEnvironment(config.Cloud, config.CloudFQDN, config.IdentitySystem)
env, err := auth.ParseAzureEnvironment(config.Cloud, config.ResourceManagerEndpoint, config.IdentitySystem)
if err != nil {
return err
}