Validate template.

etc/travis.sh

@@ -5,14 +5,6 @@ fi
 ARTIFACTS_LOCATION="https://raw.githubusercontent.com/${GITHUB_SLUG_BRANCH}/"
 echo "ARTIFACTS_LOCATION=$ARTIFACTS_LOCATION"
 
-echo "Running Azure validation step."
-VALIDATION_RESULT=$(az group deployment validate --resource-group "$AZMDLGROUP" --template-file azuredeploy.json --parameters @azuredeploy.parameters.json sshPublicKey="$SPSSHKEY" _artifactsLocation="$ARTIFACTS_LOCATION" --query error)
-if [ -n "$VALIDATION_RESULT" ]; then
-  echo "Azure template validation failed! Error message:"
-  echo $VALIDATION_RESULT
-  exit 1
-fi
-
 echo "Running Azure build step."
 az group deployment create --resource-group "$AZMDLGROUP" --template-file azuredeploy.json --parameters @azuredeploy.parameters.json sshPublicKey="$SPSSHKEY" _artifactsLocation="$ARTIFACTS_LOCATION" --no-wait
 

etc/travis/DeploymentTester.py

@@ -1,12 +1,16 @@
+import json
 import sys
 
 from azure.mgmt.resource import ResourceManagementClient
+from azure.mgmt.resource.resources.v2017_05_10.models import DeploymentMode
 from msrestazure.azure_active_directory import ServicePrincipalCredentials
 
 from travis.Configuration import Configuration
 
 
 class DeploymentTester:
+    ERROR_VALIDATION_FAILED = 1
+
     def __init__(self):
         self.config = Configuration()
         self.credentials = None
@@ -15,6 +19,7 @@ class DeploymentTester:
         self.check_configuration()
         self.login()
         self.create_resource_group()
+        self.validate()
         print('Job done!')
 
     def check_configuration(self):
@@ -31,8 +36,33 @@ class DeploymentTester:
             secret=self.config.secret,
             tenant=self.config.tenant_id,
         )
+        self.resource_client = ResourceManagementClient(self.credentials, self.config.subscription_id)
 
     def create_resource_group(self):
         print('Creating group "{}" on "{}"...'.format(self.config.resource_group, self.config.location))
         client = ResourceManagementClient(self.credentials, self.config.subscription_id)
-        client.resource_groups.create_or_update(self.config.resource_group, {'location': self.config.location})
+        client.resource_groups.create_or_update(self.config.resource_group,
+                                                {'location': self.config.location})
+
+    def validate(self):
+        print('Validating deployment...')
+        with open('azuredeploy.json', 'r') as template_file_fd:
+            template = json.load(template_file_fd)
+        with open('azuredeploy.parameters.json', 'r') as template_file_fd:
+            parameters = json.load(template_file_fd)
+        parameters = parameters['parameters']
+
+        properties = {
+            'mode': DeploymentMode.incremental,
+            'template': template,
+            'parameters': parameters,
+        }
+
+        client = ResourceManagementClient(self.credentials, self.config.subscription_id)
+        validation = client.deployments.validate(self.config.resource_group,
+                                                 'azure-moodle-deployment-test',
+                                                 properties)
+        if validation.error is not None:
+            print("*** VALIDATION FAILED ***")
+            print(validation.error.message)
+            sys.exit(DeploymentTester.ERROR_VALIDATION_FAILED)