// Create VNet for the LB
public IEnumerable <IPublicIPAddress> EnsurePIPs(IPublicIPAddresses pips)
{
var creatablePips = new List <ICreatable <IPublicIPAddress> >();
for (int i = 0; i < PipNames.Length; i++)
{
creatablePips.Add(pips.Define(PipNames[i])
.WithRegion(Region)
.WithNewResourceGroup(GroupName));
}
return(pips.Create(creatablePips.ToArray()));
}
public override ILoadBalancer CreateResource(ILoadBalancers resources)
{
pips = resources.Manager.PublicIPAddresses;
availabilitySets = computeManager.AvailabilitySets;
networks = resources.Manager.Networks;
var existingVMs = loadBalancerHelper.EnsureVMs(networks, computeManager, 2);
var existingPips = loadBalancerHelper.EnsurePIPs(pips);
IPublicIPAddress pip0 = resources.Manager.PublicIPAddresses.GetByResourceGroup(
loadBalancerHelper.GroupName,
loadBalancerHelper.PipNames[0]);
// Create a load balancer
var lb = resources.Define(loadBalancerHelper.LoadBalancerName)
.WithRegion(loadBalancerHelper.Region)
.WithExistingResourceGroup(loadBalancerHelper.GroupName)
// Load balancing rules
.DefineLoadBalancingRule("rule1")
.WithProtocol(TransportProtocol.Tcp) // Required
.FromExistingPublicIPAddress(pip0)
.FromFrontendPort(81)
.ToBackend("backend1")
.ToBackendPort(82) // Optionals
.WithProbe("tcpProbe1")
.WithIdleTimeoutInMinutes(10)
.WithLoadDistribution(LoadDistribution.SourceIP)
.Attach()
// Inbound NAT pools
.DefineInboundNatPool("natpool1")
.WithProtocol(TransportProtocol.Tcp)
.FromExistingPublicIPAddress(pip0)
.FromFrontendPortRange(2000, 2001)
.ToBackendPort(8080)
.Attach()
// Probes
.DefineTcpProbe("tcpProbe1")
.WithPort(25) // Required
.WithIntervalInSeconds(15) // Optionals
.WithNumberOfProbes(5)
.Attach()
.DefineHttpProbe("httpProbe1")
.WithRequestPath("/") // Required
.WithIntervalInSeconds(13) // Optionals
.WithNumberOfProbes(4)
.Attach()
// Backends
.DefineBackend("backend1")
.WithExistingVirtualMachines(new List <IHasNetworkInterfaces>(existingVMs))
.Attach()
.Create();
// Verify frontends
Assert.Equal(1, lb.Frontends.Count);
Assert.Equal(1, lb.PublicFrontends.Count);
Assert.Equal(0, lb.PrivateFrontends.Count);
var frontend = lb.Frontends.Values.First();
Assert.True(frontend.IsPublic);
var publicFrontend = (ILoadBalancerPublicFrontend)frontend;
Assert.Equal(pip0.Id, publicFrontend.PublicIPAddressId, ignoreCase: true);
// Verify backends
Assert.Equal(1, lb.Backends.Count);
// Verify probes
Assert.Equal(1, lb.HttpProbes.Count);
Assert.True(lb.HttpProbes.ContainsKey("httpProbe1"));
Assert.Equal(1, lb.TcpProbes.Count);
Assert.True(lb.TcpProbes.ContainsKey("tcpProbe1"));
// Verify rules
Assert.Equal(1, lb.LoadBalancingRules.Count);
Assert.True(lb.LoadBalancingRules.ContainsKey("rule1"));
var rule = lb.LoadBalancingRules["rule1"];
Assert.NotNull(rule.Backend);
Assert.Equal("tcpProbe1", rule.Probe.Name, ignoreCase: true);
// Verify inbound NAT pools
Assert.True(lb.InboundNatPools.ContainsKey("natpool1"));
Assert.Equal(1, lb.InboundNatPools.Count);
var inboundNatPool = lb.InboundNatPools["natpool1"];
Assert.Equal(2000, inboundNatPool.FrontendPortRangeStart);
Assert.Equal(2001, inboundNatPool.FrontendPortRangeEnd);
Assert.Equal(8080, inboundNatPool.BackendPort);
return(lb);
}
public override ILoadBalancer CreateResource(ILoadBalancers resources)
{
pips = resources.Manager.PublicIPAddresses;
networks = resources.Manager.Networks;
availabilitySets = computeManager.AvailabilitySets;
var existingVMs = loadBalancerHelper.EnsureVMs(networks, computeManager, 2);
Assert.Equal(2, existingVMs.Count());
var existingPips = loadBalancerHelper.EnsurePIPs(pips);
var nic1 = existingVMs.ElementAt(0).GetPrimaryNetworkInterface();
var nic2 = existingVMs.ElementAt(1).GetPrimaryNetworkInterface();
IPublicIPAddress pip = resources.Manager.PublicIPAddresses.GetByResourceGroup(
loadBalancerHelper.GroupName,
loadBalancerHelper.PipNames[0]);
// Create a load balancer
var lb = resources.Define(loadBalancerHelper.LoadBalancerName)
.WithRegion(loadBalancerHelper.Region)
.WithExistingResourceGroup(loadBalancerHelper.GroupName)
// Load balancing rules
.DefineLoadBalancingRule("rule1")
.WithProtocol(TransportProtocol.Tcp) // Required
.FromExistingPublicIPAddress(pip)
.FromFrontendPort(81)
.ToBackend("backend1")
.ToBackendPort(82) // Optionals
.WithProbe("tcpProbe1")
.WithIdleTimeoutInMinutes(10)
.WithLoadDistribution(LoadDistribution.SourceIP)
.Attach()
// Inbound NAT rules
.DefineInboundNatRule("natrule1")
.WithProtocol(TransportProtocol.Tcp)
.FromExistingPublicIPAddress(pip) // Implicitly uses the same frontend because the PIP is the same
.FromFrontendPort(88)
.Attach()
// Probes
.DefineTcpProbe("tcpProbe1")
.WithPort(25) // Required
.WithIntervalInSeconds(15) // Optionals
.WithNumberOfProbes(5)
.Attach()
.DefineHttpProbe("httpProbe1")
.WithRequestPath("/") // Required
.WithIntervalInSeconds(13) // Optionals
.WithNumberOfProbes(4)
.Attach()
.Create();
string backendName = lb.Backends.Values.First().Name;
string frontendName = lb.Frontends.Values.First().Name;
// Connect NICs explicitly
nic1.Update()
.WithExistingLoadBalancerBackend(lb, backendName)
.WithExistingLoadBalancerInboundNatRule(lb, "natrule1")
.Apply();
NetworkInterfaceHelper.PrintNic(nic1);
Assert.Equal(nic1.PrimaryIPConfiguration.ListAssociatedLoadBalancerBackends().ElementAt(0)
.Name, backendName, ignoreCase: true);
Assert.Equal("natrule1", nic1.PrimaryIPConfiguration.ListAssociatedLoadBalancerInboundNatRules().ElementAt(0)
.Name, ignoreCase: true);
nic2.Update()
.WithExistingLoadBalancerBackend(lb, backendName)
.Apply();
NetworkInterfaceHelper.PrintNic(nic2);
Assert.Equal(nic2.PrimaryIPConfiguration.ListAssociatedLoadBalancerBackends().ElementAt(0)
.Name, backendName, ignoreCase: true);
// Verify frontends
Assert.Single(lb.Frontends.Values);
Assert.Single(lb.PublicFrontends.Values);
Assert.Empty(lb.PrivateFrontends.Values);
Assert.True(lb.Frontends.ContainsKey(frontendName));
var frontend = lb.Frontends[frontendName];
Assert.True(frontend.IsPublic);
var publicFrontend = (ILoadBalancerPublicFrontend)frontend;
Assert.Equal(pip.Id, publicFrontend.PublicIPAddressId, ignoreCase: true);
pip.Refresh();
Assert.Equal(pip.GetAssignedLoadBalancerFrontend().Name, frontendName, ignoreCase: true);
// Verify backends
Assert.True(lb.Backends.ContainsKey(backendName));
Assert.Single(lb.Backends.Values);
// Verify probes
Assert.True(lb.HttpProbes.ContainsKey("httpProbe1"));
Assert.Single(lb.HttpProbes.Values);
Assert.True(lb.TcpProbes.ContainsKey("tcpProbe1"));
Assert.Single(lb.TcpProbes.Values);
// Verify rules
Assert.Single(lb.LoadBalancingRules.Values);
Assert.True(lb.LoadBalancingRules.ContainsKey("rule1"));
var rule = lb.LoadBalancingRules["rule1"];
Assert.Equal(rule.Backend.Name, backendName, ignoreCase: true);
Assert.Equal(rule.Frontend.Name, frontendName, ignoreCase: true);
Assert.Equal("tcpProbe1", rule.Probe.Name, ignoreCase: true);
// Verify inbound NAT rules
Assert.Single(lb.InboundNatRules.Values);
Assert.True(lb.InboundNatRules.ContainsKey("natrule1"));
var inboundNatRule = lb.InboundNatRules["natrule1"];
Assert.Equal(inboundNatRule.Frontend.Name, frontendName, ignoreCase: true);
Assert.Equal(88, inboundNatRule.FrontendPort);
Assert.Equal(88, inboundNatRule.BackendPort);
return(lb);
}
