Revert "Read SSL cert and key from files (#38)"

This reverts commit 6955567.

src/k8s-extension/azext_k8s_extension/partner_extensions/AzureMLKubernetes.py

@@ -66,12 +66,6 @@ def __init__(self):
         self.SERVICE_BUS_JOB_STATE_TOPIC = 'jobstate-updatedby-computeprovider'
         self.SERVICE_BUS_JOB_STATE_SUB = 'compute-scheduler-jobstate'
 
-        # constants for enabling SSL in inference
-        self.sslKeyPemFile = 'sslKeyPemFile'
-        self.sslCertPemFile = 'sslCertPemFile'
-        self.allowInsecureConnections = 'allowInsecureConnections'
-        self.privateEndpointILB = 'privateEndpointILB'
-
         # reference mapping
         self.reference_mapping = {
             self.RELAY_SERVER_CONNECTION_STRING: [self.RELAY_CONNECTION_STRING_KEY, self.RELAY_CONNECTION_STRING_DEPRECATED_KEY],
@@ -174,7 +168,6 @@ def __validate_config(self, configuration_settings, configuration_protected_sett
         if enable_inference:
             logger.warning("The installed AzureML extension for AML inference is experimental and not covered by customer support. Please use with discretion.")
             self.__validate_scoring_fe_settings(configuration_settings, configuration_protected_settings)
-            self.__set_up_inference_ssl(configuration_settings, configuration_protected_settings)
         elif not (enable_training or enable_inference):
             raise InvalidArgumentValueError(
                 "Please create Microsoft.AzureML.Kubernetes extension instance either "
@@ -188,53 +181,32 @@ def __validate_config(self, configuration_settings, configuration_protected_sett
         configuration_protected_settings.pop(self.ENABLE_INFERENCE, None)
 
     def __validate_scoring_fe_settings(self, configuration_settings, configuration_protected_settings):
-        experimentalCluster = _get_value_from_config_protected_config(
-            'experimental', configuration_settings, configuration_protected_settings)
-        experimentalCluster = str(experimentalCluster).lower() == 'true'
-        if experimentalCluster:
-            configuration_settings['clusterPurpose'] = 'DevTest'
-        else:
-            configuration_settings['clusterPurpose'] = 'FastProd'
-        feSslCertFile = configuration_protected_settings.get(self.sslCertPemFile)
-        feSslKeyFile = configuration_protected_settings.get(self.sslKeyPemFile)
+        clusterPurpose = _get_value_from_config_protected_config(
+            'clusterPurpose', configuration_settings, configuration_protected_settings)
+        if clusterPurpose and clusterPurpose not in ["DevTest", "FastProd"]:
+            raise InvalidArgumentValueError(
+                "Accepted values for '--configuration-settings clusterPurpose' "
+                "are 'DevTest' and 'FastProd'")
+
+        feSslCert = _get_value_from_config_protected_config(
+            'scoringFe.sslCert', configuration_settings, configuration_protected_settings)
+        sslKey = _get_value_from_config_protected_config(
+            'scoringFe.sslKey', configuration_settings, configuration_protected_settings)
         allowInsecureConnections = _get_value_from_config_protected_config(
-            self.allowInsecureConnections, configuration_settings, configuration_protected_settings)
+            'allowInsecureConnections', configuration_settings, configuration_protected_settings)
         allowInsecureConnections = str(allowInsecureConnections).lower() == 'true'
-        if (not feSslCertFile or not feSslKeyFile) and not allowInsecureConnections:
+        if (not feSslCert or not sslKey) and not allowInsecureConnections:
             raise InvalidArgumentValueError(
                 "Provide ssl certificate and key. "
                 "Otherwise explicitly allow insecure connection by specifying "
                 "'--configuration-settings allowInsecureConnections=true'")
 
         feIsInternalLoadBalancer = _get_value_from_config_protected_config(
-            self.privateEndpointILB, configuration_settings, configuration_protected_settings)
+            'scoringFe.serviceType.internalLoadBalancer', configuration_settings, configuration_protected_settings)
         feIsInternalLoadBalancer = str(feIsInternalLoadBalancer).lower() == 'true'
         if feIsInternalLoadBalancer:
             logger.warning(
                 'Internal load balancer only supported on AKS and AKS Engine Clusters.')
-            configuration_protected_settings['scoringFe.%s' % self.privateEndpointILB] = feIsInternalLoadBalancer
-
-    def __set_up_inference_ssl(self, configuration_settings, configuration_protected_settings):
-        allowInsecureConnections = _get_value_from_config_protected_config(
-            self.allowInsecureConnections, configuration_settings, configuration_protected_settings)
-        allowInsecureConnections = str(allowInsecureConnections).lower() == 'true'
-        if not allowInsecureConnections:
-            import base64
-            feSslCertFile = configuration_protected_settings.get(self.sslCertPemFile)
-            feSslKeyFile = configuration_protected_settings.get(self.sslKeyPemFile)
-            with open(feSslCertFile) as f:
-                cert_data = f.read()
-                cert_data_bytes = cert_data.encode("ascii")
-                ssl_cert = base64.b64encode(cert_data_bytes)
-                configuration_protected_settings['scoringFe.sslCert'] = ssl_cert
-            with open(feSslKeyFile) as f:
-                key_data = f.read()
-                key_data_bytes = key_data.encode("ascii")
-                ssl_key = base64.b64encode(key_data_bytes)
-                configuration_protected_settings['scoringFe.sslKey'] = ssl_key
-        else:
-            logger.warning(
-                'SSL is not enabled. Allowing insecure connections to the deployed services.')
 
     def __create_required_resource(
             self, cmd, configuration_settings, configuration_protected_settings, subscription_id, resource_group_name,

testing/test/extensions/public/AzureMLKubernetes.Tests.ps1

@@ -150,51 +150,4 @@ Describe 'AzureML Kubernetes Testing' {
         $badOut | Should -Not -BeNullOrEmpty
         $output | Should -BeNullOrEmpty
     }
-
-    It 'Creates the extension and checks that it onboards correctly with inference and SSL enabled' {
-        $sslKeyPemFile = Join-Path (Join-Path (Join-Path (Split-Path $PSScriptRoot -Parent) "data") "azure_ml") "test_key.pem"
-        $sslCertPemFile = Join-Path (Join-Path (Join-Path (Split-Path $PSScriptRoot -Parent) "data") "azure_ml") "test_cert.pem"
-        Invoke-Expression "az $Env:K8sExtensionName create -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters --extension-type $extensionType -n $extensionName --release-train staging --config enableInference=true identity.proxy.remoteEnabled=True identity.proxy.remoteHost=https://master.experiments.azureml-test.net experimental=True --config-protected sslKeyPemFile=$sslKeyPemFile sslCertPemFile=$sslCertPemFile" -ErrorVariable badOut
-        $badOut | Should -BeNullOrEmpty        
-
-        $output = Invoke-Expression "az $Env:K8sExtensionName show -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters -n $extensionName" -ErrorVariable badOut
-        $badOut | Should -BeNullOrEmpty
-
-        $isAutoUpgradeMinorVersion = ($output | ConvertFrom-Json).autoUpgradeMinorVersion 
-        $isAutoUpgradeMinorVersion.ToString() -eq "True" | Should -BeTrue
-
-        # Loop and retry until the extension installs
-        $n = 0
-        do 
-        {
-            if (Get-ExtensionStatus $extensionName -eq $SUCCESS_MESSAGE) {
-                break
-            }
-            Start-Sleep -Seconds 20
-            $n += 1
-        } while ($n -le $MAX_RETRY_ATTEMPTS)
-        $n | Should -BeLessOrEqual $MAX_RETRY_ATTEMPTS
-
-        # check if relay is populated
-        $relayResourceID = Get-ExtensionConfigurationSettings $extensionName $relayResourceIDKey
-        $relayResourceID | Should -Not -BeNullOrEmpty
-    }
-
-    It "Deletes the extension from the cluster with inference enabled" {
-        # cleanup the relay and servicebus
-        $relayResourceID = Get-ExtensionConfigurationSettings $extensionName $relayResourceIDKey
-        $serviceBusResourceID = Get-ExtensionConfigurationSettings $extensionName $serviceBusResourceIDKey
-        $relayNamespaceName = $relayResourceID.split("/")[8]
-        $serviceBusNamespaceName = $serviceBusResourceID.split("/")[8]
-        az relay namespace delete --resource-group $ENVCONFIG.resourceGroup --name $relayNamespaceName
-        az servicebus namespace delete --resource-group $ENVCONFIG.resourceGroup --name $serviceBusNamespaceName
-
-        $output = Invoke-Expression "az $Env:K8sExtensionName delete -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters -n $extensionName" -ErrorVariable badOut
-        $badOut | Should -BeNullOrEmpty
-
-        # Extension should not be found on the cluster
-        $output = Invoke-Expression "az $Env:K8sExtensionName show -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters -n $extensionName" -ErrorVariable badOut
-        $badOut | Should -Not -BeNullOrEmpty
-        $output | Should -BeNullOrEmpty
-    }
 }