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85 lines
2.3 KiB
Go
85 lines
2.3 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !plan9
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package kube
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import (
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"fmt"
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"net/netip"
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"github.com/gaissmai/bart"
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"tailscale.com/tailcfg"
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)
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// TODO: move all this to ./kube
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const (
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Alpha1Version = "v1alpha1"
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DNSRecordsCMName = "dnsrecords"
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DNSRecordsCMKey = "records.json"
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)
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type Records struct {
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// Version is the version of this Records configuration. Version is
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// written by the operator, i.e when it first populates the Records.
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// k8s-nameserver must verify that it knows how to parse a given
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// version.
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Version string `json:"version"`
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// This will go- this will only contain ingress/egress destinations, not what
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// service IPs this is assigned to.
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// IP4 contains a mapping of DNS names to IPv4 address(es).
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IP4 map[string][]string `json:"ip4"`
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// TODO: probably don't need this here
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AddrsToDomain *bart.Table[string] `json:"addrsToDomain"`
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// Probably should not be a string so that don't need to parse twice
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// TODO: remove from here
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DNSAddr string `json:"dnsAddr"`
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}
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// TailscaledConfigFileNameForCap returns a tailscaled config file name in
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// format expected by containerboot for the given CapVer.
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func TailscaledConfigFileNameForCap(cap tailcfg.CapabilityVersion) string {
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if cap < 95 {
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return "tailscaled"
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}
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return fmt.Sprintf("cap-%v.hujson", cap)
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}
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// CapVerFromFileName parses the capability version from a tailscaled
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// config file name previously generated by TailscaledConfigFileNameForCap.
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func CapVerFromFileName(name string) (tailcfg.CapabilityVersion, error) {
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if name == "tailscaled" {
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return 0, nil
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}
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var cap tailcfg.CapabilityVersion
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_, err := fmt.Sscanf(name, "cap-%d.hujson", &cap)
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return cap, err
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}
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type ProxyConfig struct {
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// Maybe we don't need to put this one here- it's just convenient for
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// the services reconciler to read it from here.
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ServicesCIDRRange netip.Prefix `json:"serviceCIDR,omitempty"`
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Services map[string]Service `json:"services,omitempty"`
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// For lookup convenience
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AddrsToDomain *bart.Table[string] `json:"addrsToDomain,omitempty"`
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}
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type Service struct {
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FQDN string `json:"fqdn,omitempty"`
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V4ServiceIPs []netip.Addr `json:"vService4ips"`
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Ingress *Ingress `json:"ingress"`
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}
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type Ingress struct {
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Type string `json:"type"` // tcp or http
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// type?
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V4Backends []netip.Addr `json:"v4Backends"`
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}
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