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appc: write discovered domains to StateStore

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If the controlknob is on.
This will allow us to remove discovered routes associated with a
particular domain.

Updates #11008
Signed-off-by: Fran Bull <fran@tailscale.com>
This commit is contained in:
Fran Bull 2024-04-12 13:34:14 -07:00 committed by franbull
parent 1bd1b387b2
commit fea2e73bc1
1 changed files with 18 additions and 0 deletions
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18
appc/appconnector.go
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@ -103,6 +103,18 @@ func (e *AppConnector) ShouldStoreRoutes() bool {
return e.storeRoutesFunc != nil return e.storeRoutesFunc != nil
} }
// storeRoutesLocked takes the current state of the AppConnector and persists it
func (e *AppConnector) storeRoutesLocked() error {
if !e.ShouldStoreRoutes() {
return nil
}
return e.storeRoutesFunc(&RouteInfo{
Control: e.controlRoutes,
Domains: e.domains,
Wildcards: e.wildcards,
})
}
// UpdateDomainsAndRoutes starts an asynchronous update of the configuration // UpdateDomainsAndRoutes starts an asynchronous update of the configuration
// given the new domains and routes. // given the new domains and routes.
func (e *AppConnector) UpdateDomainsAndRoutes(domains []string, routes []netip.Prefix) { func (e *AppConnector) UpdateDomainsAndRoutes(domains []string, routes []netip.Prefix) {
@ -199,6 +211,9 @@ nextRoute:
} }
e.controlRoutes = routes e.controlRoutes = routes
if err := e.storeRoutesLocked(); err != nil {
e.logf("failed to store route info: %v", err)
}
} }
// Domains returns the currently configured domain list. // Domains returns the currently configured domain list.
@ -409,6 +424,9 @@ func (e *AppConnector) scheduleAdvertisement(domain string, routes ...netip.Pref
e.logf("[v2] advertised route for %v: %v", domain, addr) e.logf("[v2] advertised route for %v: %v", domain, addr)
} }
} }
if err := e.storeRoutesLocked(); err != nil {
e.logf("failed to store route info: %v", err)
}
}) })
} }