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wgengine/magicsock: export packet drop metric for outbound errors

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This required sharing the dropped packet metric between two packages
(tstun and magicsock), so I've moved its definition to util/usermetric.

Updates tailscale/corp#22075

Signed-off-by: Anton Tolchanov <anton@tailscale.com>
This commit is contained in:
Anton Tolchanov
2024-10-29 09:19:40 +00:00
committed by Anton Tolchanov
parent 532b26145a
commit b4f46c31bb
7 changed files with 127 additions and 38 deletions
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6
net/tstun/wrap_test.go
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@ -441,13 +441,13 @@ func TestFilter(t *testing.T) {
}
var metricInboundDroppedPacketsACL, metricInboundDroppedPacketsErr, metricOutboundDroppedPacketsACL int64
if m, ok := tun.metrics.inboundDroppedPacketsTotal.Get(dropPacketLabel{Reason: DropReasonACL}).(*expvar.Int); ok {
if m, ok := tun.metrics.inboundDroppedPacketsTotal.Get(usermetric.DropLabels{Reason: usermetric.ReasonACL}).(*expvar.Int); ok {
metricInboundDroppedPacketsACL = m.Value()
}
if m, ok := tun.metrics.inboundDroppedPacketsTotal.Get(dropPacketLabel{Reason: DropReasonError}).(*expvar.Int); ok {
if m, ok := tun.metrics.inboundDroppedPacketsTotal.Get(usermetric.DropLabels{Reason: usermetric.ReasonError}).(*expvar.Int); ok {
metricInboundDroppedPacketsErr = m.Value()
}
if m, ok := tun.metrics.outboundDroppedPacketsTotal.Get(dropPacketLabel{Reason: DropReasonACL}).(*expvar.Int); ok {
if m, ok := tun.metrics.outboundDroppedPacketsTotal.Get(usermetric.DropLabels{Reason: usermetric.ReasonACL}).(*expvar.Int); ok {
metricOutboundDroppedPacketsACL = m.Value()
}