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tsd, ipnlocal, etc: add tsd.System.HealthTracker, start some plumbing

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This adds a health.Tracker to tsd.System, accessible via
a new tsd.System.HealthTracker method.

In the future, that new method will return a tsd.System-specific
HealthTracker, so multiple tsnet.Servers in the same process are
isolated. For now, though, it just always returns the temporary
health.Global value. That permits incremental plumbing over a number
of changes. When the second to last health.Global reference is gone,
then the tsd.System.HealthTracker implementation can return a private
Tracker.

The primary plumbing this does is adding it to LocalBackend and its
dozen and change health calls. A few misc other callers are also
plumbed. Subsequent changes will flesh out other parts of the tree
(magicsock, controlclient, etc).

Updates #11874
Updates #4136

Change-Id: Id51e73cfc8a39110425b6dc19d18b3975eac75ce
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-04-25 20:29:20 -07:00
committed by Brad Fitzpatrick
parent cb66952a0d
commit 723c775dbb
19 changed files with 91 additions and 45 deletions
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3
logpolicy/logpolicy.go
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@@ -30,6 +30,7 @@ import (
"golang.org/x/term"
"tailscale.com/atomicfile"
"tailscale.com/envknob"
"tailscale.com/health"
"tailscale.com/log/filelogger"
"tailscale.com/logtail"
"tailscale.com/logtail/filch"
@@ -782,7 +783,7 @@ func NewLogtailTransport(host string, netMon *netmon.Monitor, logf logger.Logf)
tr.TLSNextProto = map[string]func(authority string, c *tls.Conn) http.RoundTripper{}
}
tr.TLSClientConfig = tlsdial.Config(host, tr.TLSClientConfig)
tr.TLSClientConfig = tlsdial.Config(host, health.Global, tr.TLSClientConfig)
return tr
}