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tailcfg: add MapRequest.ReadOnly and OmitPeers; remove DebugForceDisco

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DebugForceDisco was a development & safety knob during the the transition
to discovery. It's no longer needed.

Add MapRequest.ReadOnly to prevent clients needing to do two
peer-spamming MapRequest at start-up.

This only adds the field, not the use of the field. (The control server
needs to support it first.)

Updates tailscale/corp#557

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2020-09-17 11:28:09 -07:00
committed by Brad Fitzpatrick
parent c41947903a
commit 904a91038a
2 changed files with 32 additions and 30 deletions
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44
control/controlclient/direct.go
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@@ -493,16 +493,15 @@ func (c *Direct) PollNetMap(ctx context.Context, maxPolls int, cb func(*NetworkM
}
request := tailcfg.MapRequest{
Version: 4,
IncludeIPv6: true,
DeltaPeers: true,
KeepAlive: c.keepAlive,
NodeKey: tailcfg.NodeKey(persist.PrivateNodeKey.Public()),
DiscoKey: c.discoPubKey,
Endpoints: ep,
Stream: allowStream,
Hostinfo: hostinfo,
DebugForceDisco: Debug.ForceDisco,
Version: 4,
IncludeIPv6: true,
DeltaPeers: true,
KeepAlive: c.keepAlive,
NodeKey: tailcfg.NodeKey(persist.PrivateNodeKey.Public()),
DiscoKey: c.discoPubKey,
Endpoints: ep,
Stream: allowStream,
Hostinfo: hostinfo,
}
if c.newDecompressor != nil {
request.Compress = "zstd"
@@ -843,25 +842,20 @@ func wgIPToNetaddr(ips []wgcfg.IP) (ret []netaddr.IP) {
var Debug = initDebug()
type debug struct {
NetMap bool
ProxyDNS bool
OnlyDisco bool
Disco bool
ForceDisco bool // ask control server to not filter out our disco key
NetMap bool
ProxyDNS bool
OnlyDisco bool
Disco bool
}
func initDebug() debug {
d := debug{
NetMap: envBool("TS_DEBUG_NETMAP"),
ProxyDNS: envBool("TS_DEBUG_PROXY_DNS"),
OnlyDisco: os.Getenv("TS_DEBUG_USE_DISCO") == "only",
ForceDisco: os.Getenv("TS_DEBUG_USE_DISCO") == "only" || envBool("TS_DEBUG_USE_DISCO"),
use := os.Getenv("TS_DEBUG_USE_DISCO")
return debug{
NetMap: envBool("TS_DEBUG_NETMAP"),
ProxyDNS: envBool("TS_DEBUG_PROXY_DNS"),
OnlyDisco: use == "only",
Disco: use == "only" || use == "" || envBool("TS_DEBUG_USE_DISCO"),
}
if d.ForceDisco || os.Getenv("TS_DEBUG_USE_DISCO") == "" {
// This is now defaults to on.
d.Disco = true
}
return d
}
func envBool(k string) bool {