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63 Commits (6ab39b7bcd259a7cf4adb9331586a64698c85dcc)
Author | SHA1 | Message | Date |
---|---|---|---|
Josh Bleecher Snyder | 9d542e08e2 |
wgengine/magicsock: always run ReceiveIPv6
One of the consequences of the bind refactoring in
|
4 years ago |
Josh Bleecher Snyder | fe50ded95c |
health: track whether we have a functional udp4 bind
Suggested-by: Brad Fitzpatrick <bradfitz@tailscale.com> Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
Josh Bleecher Snyder | 744de615f1 |
health, wgenegine: fix receive func health checks for the fourth time
The old implementation knew too much about how wireguard-go worked. As a result, it missed genuine problems that occurred due to unrelated bugs. This fourth attempt to fix the health checks takes a black box approach. A receive func is healthy if one (or both) of these conditions holds: * It is currently running and blocked. * It has been executed recently. The second condition is required because receive functions are not continuously executing. wireguard-go calls them and then processes their results before calling them again. There is a theoretical false positive if wireguard-go go takes longer than one minute to process the results of a receive func execution. If that happens, we have other problems. Updates #1790 Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
Josh Bleecher Snyder | 0d4c8cb2e1 |
health: delete ReceiveFunc health checks
They were not doing their job. They need yet another conceptual re-think. Start by clearing the decks. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
Josh Bleecher Snyder | 8d7f7fc7ce |
health, wgenegine: fix receive func health checks yet again
The existing implementation was completely, embarrassingly conceptually broken. We aren't able to see whether wireguard-go's receive function goroutines are running or not. All we can do is model that based on what we have done. This commit fixes that model. Fixes #1781 Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
Josh Bleecher Snyder | 5835a3f553 |
health, wgengine/magicsock: avoid receive function false positives
Avery reported a sub-ms health transition from "receiveIPv4 not running" to "ok". To avoid these transient false-positives, be more precise about the expected lifetime of receive funcs. The problematic case is one in which they were started but exited prior to a call to connBind.Close. Explicitly represent started vs running state, taking care with the order of updates. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
Josh Bleecher Snyder | f845aae761 |
health: track whether magicsock receive functions are running
Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com> |
4 years ago |
David Anderson | f007a9dd6b |
health: add DNS subsystem and plumb errors in.
Signed-off-by: David Anderson <danderson@tailscale.com> |
4 years ago |
Brad Fitzpatrick | 85138d3183 |
health: track whether any network interface is up
Fixes #1562 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
4 years ago |
Brad Fitzpatrick | 9eb65601ef |
health, ipn/ipnlocal: track, log overall health
Updates #1505 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
4 years ago |
Brad Fitzpatrick | 232cfda280 |
wgengine/router: report to control when setPrivateNetwork fails
Fixes #1503 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
4 years ago |
Brad Fitzpatrick | ba8c6d0775 |
health, controlclient, ipn, magicsock: tell health package state of things
Not yet checking anything. Just plumbing states into the health package. Updates #1505 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
4 years ago |
Brad Fitzpatrick | fd8e070d01 |
health, control/controlclient, wgengine: report when router unhealthy
Updates tailscale/corp#1338 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
4 years ago |