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wgengine/wgcfg/nmcfg: reduce some logging when a /0 route skipped

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-03-31 09:51:55 -07:00
parent 7b907615d5
commit 7f03c0f8fe
1 changed files with 6 additions and 0 deletions
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6
wgengine/wgcfg/nmcfg/nmcfg.go
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@ -85,8 +85,14 @@ func WGCfg(nm *netmap.NetworkMap, logf logger.Logf, flags netmap.WGConfigFlags,
} }
} }
} }
didExitNodeWarn := false
for _, allowedIP := range peer.AllowedIPs { for _, allowedIP := range peer.AllowedIPs {
if allowedIP.Bits == 0 && peer.StableID != exitNode { if allowedIP.Bits == 0 && peer.StableID != exitNode {
if didExitNodeWarn {
// Don't log about both the IPv4 /0 and IPv6 /0.
continue
}
didExitNodeWarn = true
logf("[v1] wgcfg: skipping unselected default route from %q (%v)", nodeDebugName(peer), peer.Key.ShortString()) logf("[v1] wgcfg: skipping unselected default route from %q (%v)", nodeDebugName(peer), peer.Key.ShortString())
continue continue
} else if allowedIP.IsSingleIP() && tsaddr.IsTailscaleIP(allowedIP.IP) && (flags&netmap.AllowSingleHosts) == 0 { } else if allowedIP.IsSingleIP() && tsaddr.IsTailscaleIP(allowedIP.IP) && (flags&netmap.AllowSingleHosts) == 0 {