public static JArray GetRouteTables(string subscriptionId)
{
string requestUri = "/subscriptions/" + subscriptionId + "/providers/Microsoft.Network/routeTables?api-version=2019-12-01";
JArray routeTables = new JArray();
try
{
JObject result = JObject.Parse(WebCalls.Get(requestUri));
if (result.Property("@odata.nextLink") != null)
{
routeTables.Add(JArray.Parse(result.Property("value").Value.ToString()));
while (result.Property("@odata.nextLink") != null)
{
result = JObject.Parse(WebCalls.Get(result.Property("@odata.nextLink").Value.ToString()));
routeTables.Merge(JArray.Parse(result.Property("value").Value.ToString()));
}
}
else
{
routeTables = JArray.Parse(result.Property("value").Value.ToString());
}
}
catch (Exception e)
{
}
return routeTables;
}
public static void Run([TimerTrigger("0 0 * * * *")]TimerInfo myTimer, ILogger log)
{
string apiVersion = GetEnvironmentVariable("apiVersion").Split(": ")[1];
string subscriptionId = GetEnvironmentVariable("subscriptionId").Split(": ")[1];
string location = GetEnvironmentVariable("location").Split(": ")[1];
log.LogInformation($"C# Timer trigger function executed at: {DateTime.Now}");
List<JObject> serviceTags;
string requestUri = "/subscriptions/" + subscriptionId + "/providers/Microsoft.Network/locations/" + location + "/serviceTags?api-version=" + apiVersion;
try {
serviceTags = JObject.Parse(WebCalls.Get(requestUri)).Property("values").Value.ToObject<List<JObject>>();
}
catch (Exception e){
serviceTags = null;
Console.WriteLine("Failed to get ServiceTags: " + e.Message);
}
if(serviceTags != null)
{ string Tag = GetEnvironmentVariable("rt-tag")
JArray routeTables = RouteTables.GetRouteTables(subscriptionId);
foreach (JToken token in routeTables)
{
JObject RouteTable = JObject.Parse(token.ToString());
JObject RtProperties = JObject.Parse(RouteTable.Property("properties").Value.ToString());
List<JObject> routes = RtProperties.Property("routes").Value.ToObject<List<JObject>>();
if (RouteTable.property("name") == GetEnvironmentVariable("rt-name"))
{
string[] requiredServiceTags = GetEnvironmentVariable("rt-tag").Split(",");
JObject tagRoutesProperties;
foreach (string Tag in requiredServiceTags)
{
try
{
tagRoutesProperties = JObject.Parse(serviceTags.Find(x => x.Property("name").Value.ToString() == Tag).Property("properties").Value.ToString());
}
catch
{
tagRoutesProperties = null;
}
if (tagRoutesProperties != null)
{
int count = 0;
string routeName = "AutoRoute-" + Tag + "-" + tagRoutesProperties.Property("changeNumber").Value.ToString() + "-" + count.ToString();
routes.RemoveAll(x => x.Property("name").Value.ToString().Contains(Tag + "-"));
foreach (string prefix in tagRoutesProperties.Property("addressPrefixes").Value.ToObject<List<string>>())
{
routes.Add(JObject.Parse("{\"name\": \"" + routeName + "\",\"properties\": {\"addressPrefix\": \"" + prefix + "\",\"nextHopType\": \"Internet\"}}"));
count++;
routeName = "AutoRoute-" + Tag + "-" + tagRoutesProperties.Property("changeNumber").Value.ToString() + "-" + count.ToString();
}
}
else
{
//No Service Tag Found
}
}
else
{
//No Service Tag Found
}
string routeTxt = JsonConvert.SerializeObject(routes);
RtProperties.Remove("routes");
RtProperties.Add("routes", JArray.Parse(routeTxt));
RouteTable.Remove("properties");
RouteTable.Add("properties", RtProperties);
string RtUpdateUri = RouteTable.Property("id").Value.ToString() + "?api-version=" + apiVersion;
string testResult = WebCalls.Put(RtUpdateUri, RouteTable.ToString());
}
}
}
