TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-10-28 23:05:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

ipn/ipnlocal: introduce the concept of client-side-reachability (#17367)

Browse Source 
The control plane will sometimes determine that a node is not online,
while the node is still able to connect to its peers. This patch
doesn’t solve this problem, but it does mitigate it.

This PR introduces the `client-side-reachability` node attribute that
switches the node to completely ignore the online signal from control.

In the future, the client itself should collect reachability data from
active Wireguard flows and Tailscale pings.

Updates #17366
Updates tailscale/corp#30379
Updates tailscale/corp#32686

Signed-off-by: Simon Law <sfllaw@tailscale.com>
This commit is contained in:
Simon Law
2025-10-02 16:01:55 -07:00
committed by GitHub
parent 24e38eb729
commit cd523eae52
4 changed files with 118 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
tailcfg/tailcfg.go
View File

@@ -2692,6 +2692,12 @@ const (
// numbers, apostrophe, spaces, and hyphens. This may not be true for the default.
// Values can look like "foo.com" or "Foo's Test Tailnet - Staging".
NodeAttrTailnetDisplayName NodeCapability = "tailnet-display-name"
// NodeAttrClientSideReachability configures the node to determine
// reachability itself when choosing connectors. When absent, the
// default behavior is to trust the control plane when it claims that a
// node is no longer online, but that is not a reliable signal.
NodeAttrClientSideReachability = "client-side-reachability"
)
// SetDNSRequest is a request to add a DNS record.