cloudenv
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Documentation¶
Overview¶
Package cloudenv reports which known cloud environment we're running in.
Index¶
Constants¶
const (AWS =Cloud("aws")// Amazon Web Services (EC2 in particular)Azure =Cloud("azure")// Microsoft AzureGCP =Cloud("gcp")// Google CloudDigitalOcean =Cloud("digitalocean")// DigitalOcean)
const AWSResolverIP = "169.254.169.253"AWSResolverIP is the IP address of the AWS DNS server.Seehttps://docs.aws.amazon.com/vpc/latest/userguide/vpc-dns.html
const AzureResolverIP = "168.63.129.16"AzureResolverIP is Azure's DNS resolver IP.Seehttps://docs.microsoft.com/en-us/azure/virtual-network/what-is-ip-address-168-63-129-16
const CommonNonRoutableMetadataIP = "169.254.169.254"CommonNonRoutableMetadataIP is the IP address of the metadata serveron Amazon EC2, Google Compute Engine, and Azure. It's not routable.(169.254.0.0/16 is a Link Local range:RFC 3927)
const GoogleMetadataAndDNSIP = "169.254.169.254"GoogleMetadataAndDNSIP is the metadata IP used by Google Cloud.It's also the *.internal DNS server, and proxies to 8.8.8.8.
Variables¶
This section is empty.
Functions¶
This section is empty.
Types¶
typeCloud¶
type Cloudstring
Cloud is a recognize cloud environment with properties thatTailscale can specialize for in places.
func (Cloud)HasInternalTLD¶
HasInternalTLD reports whether c is a cloud environmentwhose ResolverIP serves *.internal records.
func (Cloud)ResolverIP¶
ResolverIP returns the cloud host's recursive DNS server or theempty string if not available.
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