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health: add a health state for net/dns.OSConfigurator.

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Lets the systemd-resolved OSConfigurator report health changes
for out of band config resyncs.

Updates #3327

Signed-off-by: David Anderson <danderson@tailscale.com>
This commit is contained in:
David Anderson
2021-11-18 15:52:21 -08:00
committed by Dave Anderson
parent 4ef3fed100
commit 6c82cebe57
3 changed files with 18 additions and 0 deletions
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9
health/health.go
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@@ -58,6 +58,9 @@ const (
// SysDNS is the name of the net/dns subsystem.
SysDNS = Subsystem("dns")
// SysDNSOS is the name of the net/dns OSConfigurator subsystem.
SysDNSOS = Subsystem("dns-os")
// SysNetworkCategory is the name of the subsystem that sets
// the Windows network adapter's "category" (public, private, domain).
// If it's unhealthy, the Windows firewall rules won't match.
@@ -101,6 +104,12 @@ func SetDNSHealth(err error) { set(SysDNS, err) }
// DNSHealth returns the net/dns.Manager error state.
func DNSHealth() error { return get(SysDNS) }
// SetDNSOSHealth sets the state of the net/dns.OSConfigurator
func SetDNSOSHealth(err error) { set(SysDNSOS, err) }
// DNSOSHealth returns the net/dns.OSConfigurator error state.
func DNSOSHealth() error { return get(SysDNSOS) }
// SetNetworkCategoryHealth sets the state of setting the network adaptor's category.
// This only applies on Windows.
func SetNetworkCategoryHealth(err error) { set(SysNetworkCategory, err) }