mirror of https://github.com/hashicorp/consul
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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//go:build !consulent
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package dns
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import (
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"fmt"
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"github.com/hashicorp/consul/agent/discovery"
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)
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// canonicalNameForResult returns the canonical name for a discovery result.
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func canonicalNameForResult(resultType discovery.ResultType, target, domain string,
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tenancy discovery.ResultTenancy, portName string) string {
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switch resultType {
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case discovery.ResultTypeService:
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return fmt.Sprintf("%s.%s.%s.%s", target, "service", tenancy.Datacenter, domain)
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case discovery.ResultTypeNode:
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if tenancy.PeerName != "" {
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// We must return a more-specific DNS name for peering so
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// that there is no ambiguity with lookups.
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return fmt.Sprintf("%s.node.%s.peer.%s",
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target,
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tenancy.PeerName,
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domain)
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}
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// Return a simpler format for non-peering nodes.
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return fmt.Sprintf("%s.node.%s.%s", target, tenancy.Datacenter, domain)
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case discovery.ResultTypeWorkload:
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if portName != "" {
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return fmt.Sprintf("%s.port.%s.workload.%s", portName, target, domain)
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}
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return fmt.Sprintf("%s.workload.%s", target, domain)
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}
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return ""
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}
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