mirror of https://github.com/status-im/consul.git
77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package connect
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/consul/agent/structs"
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)
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const (
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internal = "internal"
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version = "v1"
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internalVersion = internal + "-" + version
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)
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func UpstreamSNI(u *structs.Upstream, subset string, dc string, trustDomain string) string {
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if u.Datacenter != "" {
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dc = u.Datacenter
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}
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if u.DestinationType == structs.UpstreamDestTypePreparedQuery {
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return QuerySNI(u.DestinationName, dc, trustDomain)
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}
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return ServiceSNI(u.DestinationName, subset, u.DestinationNamespace, u.DestinationPartition, dc, trustDomain)
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}
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func GatewaySNI(dc string, partition, trustDomain string) string {
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if partition == "" {
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// TODO(partitions) Make default available in OSS as a constant for uses like this one
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partition = "default"
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}
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switch partition {
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case "default":
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return dotJoin(dc, internal, trustDomain)
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default:
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return dotJoin(partition, dc, internalVersion, trustDomain)
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}
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}
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func ServiceSNI(service string, subset string, namespace string, partition string, datacenter string, trustDomain string) string {
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if namespace == "" {
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namespace = structs.IntentionDefaultNamespace
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}
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if partition == "" {
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// TODO(partitions) Make default available in OSS as a constant for uses like this one
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partition = "default"
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}
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switch partition {
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case "default":
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if subset == "" {
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return dotJoin(service, namespace, datacenter, internal, trustDomain)
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} else {
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return dotJoin(subset, service, namespace, datacenter, internal, trustDomain)
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}
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default:
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if subset == "" {
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return dotJoin(service, namespace, partition, datacenter, internalVersion, trustDomain)
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} else {
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return dotJoin(subset, service, namespace, partition, datacenter, internalVersion, trustDomain)
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}
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}
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}
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func dotJoin(parts ...string) string {
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return strings.Join(parts, ".")
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}
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func QuerySNI(service string, datacenter string, trustDomain string) string {
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return fmt.Sprintf("%s.default.%s.query.%s", service, datacenter, trustDomain)
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}
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func TargetSNI(target *structs.DiscoveryTarget, trustDomain string) string {
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return ServiceSNI(target.Service, target.ServiceSubset, target.Namespace, target.Partition, target.Datacenter, trustDomain)
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}
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