Baselined from internal Repository

last_commit:836fc84071a3e5afedc737a6a936e81a7c2cc99f

README.md

@@ -1,5 +1,7 @@
 # DNA Center - VLAN / Port provisioning
 
+[![published](https://static.production.devnetcloud.com/codeexchange/assets/images/devnet-published.svg)](https://developer.cisco.com/codeexchange/github/repo/gve-sw/gve_devnet_dnac_vlan_provisioning)
+
 This repository contains sample code for deploying interface VLAN configuration to Cisco DNA Center via a simplified web interface. This allows someone to create new VLANs & assign them to switch interfaces, without needing to access DNA center or have knowledge of the underlying device configuration.
 
 The web application walks through the following workflow:

app.py

@@ -23,6 +23,7 @@
 from time import sleep
 import re
 from dnacentersdk import api
+from dnacentersdk.exceptions import ApiError
 from flask_session import Session
 from dotenv import load_dotenv
 import os
@@ -414,6 +415,7 @@ def getTemplateID() -> None:
     project = dnac.configuration_templates.get_projects(
         name=dnac_config["templates"]["project"]
     )
+    template_id = None
     for template in project[0]["templates"]:
         if template["name"] == (
             dnac_config["templates"]["template"] + "-" + session["author"]
@@ -422,7 +424,6 @@ def getTemplateID() -> None:
             app.logger.info(f"Found Template ID: {template_id}")
             break
         else:
-            template_id = None
             app.logger.info("No template ID found")
     # Store template ID
     session["templateID"] = template_id
@@ -567,9 +568,16 @@ def getTemplateDeployStatus() -> None:
     dnac = getDNACSession()
 
     # Ask DNAC for currernt status of template deployment
-    response = dnac.configuration_templates.get_template_deployment_status(
-        deployment_id=session["deploy_id"]
-    )
+    try:
+        response = dnac.configuration_templates.get_template_deployment_status(
+            deployment_id=session["deploy_id"]
+        )
+    except ApiError as e:
+        # Some times DNAC will give 500 while querying status
+        app.logger.info("Error checking deployment status:")
+        app.logger.info(e)
+        return
+
     app.logger.info(f"Deployment status: {response['status']}")
     # Check to see if deployment was successful, failed, or still in progress
     if response["status"] == "SUCCESS":

templates/status.html

@@ -35,7 +35,11 @@
         <div class="section">
             <div class="panel panel--loose panel--raised base-margin-bottom">
                 <form action="/status" method="POST">
+                    {% if status == "success" %}
+                    <button class="btn btn--primary pull-right" disabled>Refresh Status</button>
+                    {% else %}
                     <button class="btn btn--primary pull-right">Refresh Status</button>
+                    {% endif %}
                 </form>
 
                 <h2 class="subtitle">Step 5: Deployment</h2>
@@ -63,7 +67,7 @@ <h2 class="subtitle">Step 5: Deployment</h2>
                     <div class="form-group base-margin-bottom">
 
                         <div class="form-group__text">
-                            <textarea id="textarea-state-disabled" rows="20" disabled=""
+                            <textarea id="textarea-state-disabled" rows="20" readonly=""
                                 style="font: 1.3rem Inconsolata, monospace;">
 {{ deployed_config }}
                             </textarea>