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tailcfg: add JSON unmarshal helper for view of node/peer capabilities

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Many places that need to work with node/peer capabilities end up with a
something-View and need to either reimplement the helper code or make an
expensive copy. We have the machinery to easily handle this now.

Updates #cleanup

Change-Id: Ic3f55be329f0fc6c178de26b34359d0e8c6ca5fc
Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>
This commit is contained in:
Adrian Dewhurst
2025-02-03 14:08:26 -05:00
committed by Adrian Dewhurst
parent 95e2353294
commit 600f25dac9
4 changed files with 24 additions and 14 deletions
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4
cmd/sniproxy/sniproxy.go
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@@ -157,10 +157,8 @@ func run(ctx context.Context, ts *tsnet.Server, wgPort int, hostname string, pro
// NetMap contains app-connector configuration
if nm := msg.NetMap; nm != nil && nm.SelfNode.Valid() {
sn := nm.SelfNode.AsStruct()
var c appctype.AppConnectorConfig
nmConf, err := tailcfg.UnmarshalNodeCapJSON[appctype.AppConnectorConfig](sn.CapMap, configCapKey)
nmConf, err := tailcfg.UnmarshalNodeCapViewJSON[appctype.AppConnectorConfig](nm.SelfNode.CapMap(), configCapKey)
if err != nil {
log.Printf("failed to read app connector configuration from coordination server: %v", err)
} else if len(nmConf) > 0 {