/****************************************** Route Table ******************************************/
public async Task <List <string> > GetRouteTablesByVpc(string vpcId)
{
var ret = new List <string>();
var request = new DescribeRouteTablesRequest();
var response = await client.DescribeRouteTablesAsync(request);
foreach (var routeTable in response.RouteTables)
{
if (routeTable.VpcId == vpcId && routeTable.Tags.Find(o => o.Key == "Name") != null)
{
ret.Add(routeTable.RouteTableId);
}
}
return(ret);
}
public bool load_routetable_id()
{
write_log(vpc_id + " のルートデーブルを確認しています。");
try
{
var client = get_client();
var query_req = new DescribeRouteTablesRequest();
query_req.Filters.Add(new Filter()
{
Name = "vpc-id", Values = new List <string>()
{
vpc_id
}
});
var query_res = client.DescribeRouteTables(query_req);
routetable_id = query_res.RouteTables[0].RouteTableId;
write_log(vpc_id + " のルートデーブルは " + routetable_id + " です");
foreach (var row in query_res.RouteTables[0].Routes)
{
if (row.GatewayId.Equals(internet_gateway_id) && row.State == RouteState.Active)
{
return(true);
}
}
set_name_tag(client, query_res.RouteTables[0].RouteTableId, Helper.build_name(setting_, "rtb"));
write_log("インターネットゲートウェイ " + internet_gateway_id + " に " + routetable_id + " を関連付けます。");
var update_req = new CreateRouteRequest();
update_req.RouteTableId = routetable_id;
update_req.DestinationCidrBlock = "0.0.0.0/0";
update_req.GatewayId = internet_gateway_id;
client.CreateRoute(update_req);
}
catch (Exception ex)
{
write_log("ERROR: " + ex.ToString());
return(false);
}
return(true);
}
private static bool IsSubnetPublic(IAmazonEC2 ec2Client, string subnetID)
{
try
{
var describeRouteTablesRequest = new DescribeRouteTablesRequest();
var filter = new Filter {
Name = "association.subnet-id"
};
filter.Values.Add(subnetID);
describeRouteTablesRequest.Filters.Add(filter);
var regionRoutes = ec2Client.DescribeRouteTables(describeRouteTablesRequest);
if (regionRoutes.RouteTables.Any(routeTable => routeTable.Routes.Any(route => route.DestinationCidrBlock == "0.0.0.0/0" && !string.IsNullOrEmpty(route.GatewayId) && route.GatewayId.StartsWith("igw-"))))
{
return(true);
}
}
catch (AmazonEC2Exception aex)
{
Logger.Log(LogLevel.Error, aex, $"AmazonEC2Exception in IsSubnetPublic() : {aex.Message}");
}
return(false);
}
/// <summary>
/// This method will create a VPC with a subnet that will have an internet gateway attached making instances available to the internet.
/// </summary>
/// <param name="ec2Client">The ec2client used to create the VPC</param>
/// <param name="request">The properties used to create the VPC.</param>
/// <param name="response">The response contains all the VPC objects that were created.</param>
private static void LaunchVPCWithPublicSubnet(IAmazonEC2 ec2Client, LaunchVPCWithPublicSubnetRequest request, LaunchVPCWithPublicSubnetResponse response)
{
response.VPC = ec2Client.CreateVpc(new CreateVpcRequest()
{
CidrBlock = request.VPCCidrBlock,
InstanceTenancy = request.InstanceTenancy
}).Vpc;
WriteProgress(request.ProgressCallback, "Created vpc {0}", response.VPC.VpcId);
var describeVPCRequest = new DescribeVpcsRequest()
{
VpcIds = new List <string>()
{
response.VPC.VpcId
}
};
WaitTillTrue(((Func <bool>)(() => ec2Client.DescribeVpcs(describeVPCRequest).Vpcs.Count == 1)));
if (!string.IsNullOrEmpty(request.VPCName))
{
ec2Client.CreateTags(new CreateTagsRequest()
{
Resources = new List <string>()
{
response.VPC.VpcId
},
Tags = new List <Tag>()
{
new Tag()
{
Key = "Name", Value = request.VPCName
}
}
});
}
response.PublicSubnet = ec2Client.CreateSubnet(new CreateSubnetRequest()
{
AvailabilityZone = request.PublicSubnetAvailabilityZone,
CidrBlock = request.PublicSubnetCiderBlock,
VpcId = response.VPC.VpcId
}).Subnet;
WriteProgress(request.ProgressCallback, "Created public subnet {0}", response.PublicSubnet.SubnetId);
WaitTillTrue(((Func <bool>)(() => (ec2Client.DescribeSubnets(new DescribeSubnetsRequest()
{
SubnetIds = new List <string>()
{
response.PublicSubnet.SubnetId
}
}).Subnets.Count == 1))));
ec2Client.CreateTags(new CreateTagsRequest()
{
Resources = new List <string>()
{
response.PublicSubnet.SubnetId
},
Tags = new List <Tag>()
{
new Tag()
{
Key = "Name", Value = "Public"
}
}
});
response.InternetGateway = ec2Client.CreateInternetGateway(new CreateInternetGatewayRequest()
{
}).InternetGateway;
WriteProgress(request.ProgressCallback, "Created internet gateway {0}", response.InternetGateway.InternetGatewayId);
ec2Client.AttachInternetGateway(new AttachInternetGatewayRequest()
{
InternetGatewayId = response.InternetGateway.InternetGatewayId,
VpcId = response.VPC.VpcId
});
WriteProgress(request.ProgressCallback, "Attached internet gateway to vpc");
response.PublicSubnetRouteTable = ec2Client.CreateRouteTable(new CreateRouteTableRequest()
{
VpcId = response.VPC.VpcId
}).RouteTable;
WriteProgress(request.ProgressCallback, "Created route table {0}", response.PublicSubnetRouteTable.RouteTableId);
var describeRouteTableRequest = new DescribeRouteTablesRequest()
{
RouteTableIds = new List <string>()
{
response.PublicSubnetRouteTable.RouteTableId
}
};
WaitTillTrue(((Func <bool>)(() => (ec2Client.DescribeRouteTables(describeRouteTableRequest).RouteTables.Count == 1))));
ec2Client.CreateTags(new CreateTagsRequest()
{
Resources = new List <string>()
{
response.PublicSubnetRouteTable.RouteTableId
},
Tags = new List <Tag>()
{
new Tag()
{
Key = "Name", Value = "Public"
}
}
});
ec2Client.AssociateRouteTable(new AssociateRouteTableRequest()
{
RouteTableId = response.PublicSubnetRouteTable.RouteTableId,
SubnetId = response.PublicSubnet.SubnetId
});
WriteProgress(request.ProgressCallback, "Associated route table to public subnet");
ec2Client.CreateRoute(new CreateRouteRequest()
{
DestinationCidrBlock = "0.0.0.0/0",
GatewayId = response.InternetGateway.InternetGatewayId,
RouteTableId = response.PublicSubnetRouteTable.RouteTableId
});
WriteProgress(request.ProgressCallback, "Added route for internet gateway to route table {0}", response.PublicSubnetRouteTable.RouteTableId);
response.PublicSubnetRouteTable = ec2Client.DescribeRouteTables(describeRouteTableRequest).RouteTables[0];
}
