mirror of
https://github.com/tailscale/tailscale.git
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50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
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// 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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"tailscale.com/tailcfg"
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)
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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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// 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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}
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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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