public static void SetRoutes(FargateResourceV2 resource,
FargateResourceV2 resourceNew, ELBHelper elb, Route53Helper r53, CloudWatchHelper cw)
{
Console.WriteLine("Fetching DNS Private Record...");
var newPrivateRecord = r53.GetCNameRecordSet(resourceNew.ZonePrivate, resourceNew.DNSCName, throwIfNotFound: true)
.Result.PrintResponse();
Console.WriteLine($"Upserting Health Check...");
var healthCheck = r53.UpsertCloudWatchHealthCheckAsync(
resource.HealthCheckName,
alarmName: resourceNew.ELBHealthyMetricAlarmName,
alarmRegion: resource.Region,
throwIfNotFound: false,
insufficientDataHealthStatus: Amazon.Route53.InsufficientDataHealthStatus.Healthy,
inverted: false
).Result.PrintResponse();
ResourceRecordSet newPublicRecord = null;
Console.WriteLine("Updating Private Route53 Record Set (PRIMARY)...");
var t1 = r53.UpsertCNameRecordAsync(resource.ZonePrivate, resource.DNSCName, newPrivateRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "PRIMARY", setIdentifier: "PRIMARY-PRIVATE", healthCheckId: healthCheck.Id);
Console.WriteLine("Updating Private Route53 Record Set (SECONDARY)...");
var t2 = r53.UpsertCNameRecordAsync(resourceNew.ZonePrivate, resource.DNSCName, newPrivateRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "SECONDARY", setIdentifier: "SECONDARY-PRIVATE");
if (resourceNew.IsPublic)
{
Console.WriteLine("Fetching DNS Public Record...");
newPublicRecord = r53.GetCNameRecordSet(resourceNew.ZonePublic, resourceNew.DNSCName, throwIfNotFound: resourceNew.IsPublic)
.Result.PrintResponse();
Console.WriteLine("Updating Public Route53 Record Set (PRIMARY)...");
var t3 = r53.UpsertCNameRecordAsync(resource.ZonePublic, resource.DNSCName, newPublicRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "PRIMARY", setIdentifier: "PRIMARY-PUBLIC", healthCheckId: healthCheck.Id);
Console.WriteLine("Updating Public Route53 Record Set (SECONDARY)...");
var t4 = r53.UpsertCNameRecordAsync(resourceNew.ZonePublic, resource.DNSCName, newPublicRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "SECONDARY", setIdentifier: "SECONDARY-PUBLIC");
Task.WhenAll(t1, t3);
Task.WhenAll(t2, t4);
}
t1.Await();
t2.Await();
Console.WriteLine($"Awaiting {(resource.TTL + 1) * 2} [s] for DNS route update based on TTL...");
Thread.Sleep((resource.TTL + 1) * 2 * 1000);
Console.WriteLine($"Awaiting Health Check Healthy Status...");
r53.WaitForHealthCheckAsync(name: healthCheck.Id, status: Route53Helper.HealthCheckStatus.Healthy, timeout_s: resource.HealthCheckTimeout).Result.PrintResponse();
Console.WriteLine($"Ensuring DNS Route53 Resolution into new address after Health Check change...");
AwaitDnsUpsert(resource, resourceNew, r53, resource.DnsResolveTimeout).PrintResponse();
}
public static void SwapRoutes(FargateResourceV2 resource,
FargateResourceV2 resourceNew, ELBHelper elb, Route53Helper r53, CloudWatchHelper cw)
{
Console.WriteLine("Fetching DNS Private Record...");
var newPrivateRecord = r53.GetCNameRecordSet(resourceNew.ZonePrivate, resourceNew.DNSCName, throwIfNotFound: true)
.Result.PrintResponse();
ResourceRecordSet newPublicRecord = null;
Console.WriteLine("Updating Private Route53 Record Set (SECONDARY)...");
r53.UpsertCNameRecordAsync(resourceNew.ZonePrivate, resource.DNSCName, newPrivateRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "SECONDARY", setIdentifier: "SECONDARY-PRIVATE").Result.PrintResponse();
if (resourceNew.IsPublic)
{
Console.WriteLine("Fetching DNS Public Record...");
newPublicRecord = r53.GetCNameRecordSet(resourceNew.ZonePublic, resourceNew.DNSCName, throwIfNotFound: resourceNew.IsPublic)
.Result.PrintResponse();
Console.WriteLine("Updating Public Route53 Record Set (SECONDARY)...");
r53.UpsertCNameRecordAsync(resourceNew.ZonePublic, resource.DNSCName, newPublicRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "SECONDARY", setIdentifier: "SECONDARY-PUBLIC").Result.PrintResponse();
}
var recordsExist = false;
ResourceRecordSet rrsPrivate = null;
ResourceRecordSet rrsPublic = null;
HealthCheck healthCheck = null;
Console.WriteLine($"Veryfying PRIMARY Record and Health Check...");
if ((rrsPrivate = r53.GetCNameRecordSet(resource.ZonePrivate, resource.DNSCName, failover: "PRIMARY", throwIfNotFound: false).Result) != null &&
(healthCheck = r53.GetHealthCheckAsync(rrsPrivate.HealthCheckId, throwIfNotFound: false).Result) != null)
{
if (resource.IsPublic &&
(rrsPublic = r53.GetCNameRecordSet(resource.ZonePublic, resource.DNSCName, failover: "PRIMARY", throwIfNotFound: false).Result) != null &&
rrsPublic.HealthCheckId == healthCheck.Id)
{
recordsExist = true;
}
else
{
recordsExist = true;
}
}
Console.WriteLine($"DNS PRIMARY Record and Health Check were {(recordsExist ? "" : "NOT ")}present.");
Console.WriteLine($"Awaiting Desired State of the Cloud Watch Metric Alarm '{resourceNew.ELBHealthyMetricAlarmName}'...");
cw.WaitForMetricState(resourceNew.ELBHealthyMetricAlarmName, Amazon.CloudWatch.StateValue.OK, resource.HealthCheckTimeout)
.Result.PrintResponse();
Console.WriteLine($"Upserting Health Check...");
healthCheck = r53.UpsertCloudWatchHealthCheckAsync(
healthCheck?.Id ?? resource.HealthCheckName,
alarmName: resourceNew.ELBHealthyMetricAlarmName,
alarmRegion: resource.Region,
throwIfNotFound: false,
insufficientDataHealthStatus: Amazon.Route53.InsufficientDataHealthStatus.Healthy,
inverted: true //OK as long as old health check is failed
).Result.PrintResponse();
if (recordsExist)
{
Console.WriteLine($"Awaiting Health Check Unhealthy Status...");
r53.WaitForHealthCheckAsync(name: healthCheck.Id, status: Route53Helper.HealthCheckStatus.Unhealthy, timeout_s: resource.HealthCheckTimeout)
.Result.PrintResponse();
Console.WriteLine($"Awaiting DNS Route53 Resolution into new address...");
AwaitDnsUpsert(resource, resourceNew, r53, resource.DnsResolveTimeout).PrintResponse();
Console.WriteLine($"Awaiting {(resource.TTL + 1) * 2} [s] for DNS route update based on TTL...");
Thread.Sleep((resource.TTL + 1) * 2 * 1000);
}
Console.WriteLine("Updating Private Route53 Record Set (PRIMARY)...");
r53.UpsertCNameRecordAsync(resource.ZonePrivate, resource.DNSCName, newPrivateRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "PRIMARY", setIdentifier: "PRIMARY-PRIVATE", healthCheckId: healthCheck.Id).Result.PrintResponse();
if (resource.IsPublic)
{
Console.WriteLine("Updating Public Route53 Record Set (PRIMARY)...");
r53.UpsertCNameRecordAsync(resource.ZonePublic, resource.DNSCName, newPublicRecord.ResourceRecords.Single().Value, ttl: resourceNew.TTL,
failover: "PRIMARY", setIdentifier: "PRIMARY-PUBLIC", healthCheckId: healthCheck.Id).Result.PrintResponse();
}
Console.WriteLine($"Awaiting {resourceNew.DnsUpdateDelay} [ms] for PRIMARY DNS Record update...");
Thread.Sleep(resourceNew.DnsUpdateDelay);
Console.WriteLine($"Upserting Health Check...");
healthCheck = r53.UpsertCloudWatchHealthCheckAsync(
healthCheck?.Id,
alarmName: resourceNew.ELBHealthyMetricAlarmName,
alarmRegion: resource.Region,
throwIfNotFound: false,
insufficientDataHealthStatus: Amazon.Route53.InsufficientDataHealthStatus.Unhealthy,
inverted: false
).Result.PrintResponse();
Console.WriteLine($"Awaiting Health Check Healthy Status...");
r53.WaitForHealthCheckAsync(name: healthCheck.Id, status: Route53Helper.HealthCheckStatus.Healthy, timeout_s: 240).Result.PrintResponse();
Console.WriteLine($"Awaiting {(resource.TTL+1)*2} [s] for DNS route update based on TTL...");
Thread.Sleep((resource.TTL + 1) * 2 * 1000);
Console.WriteLine($"Ensuring DNS Route53 Resolution into new address after Health Check change...");
AwaitDnsUpsert(resource, resourceNew, r53, resource.DnsResolveTimeout).PrintResponse();
}
