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egress.go
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egress.go
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package firewall
import (
"errors"
"github.com/gravitl/netmaker/models"
"golang.org/x/exp/slog"
)
// SetEgressRoutes - sets the egress route for the gateway
func SetEgressRoutes(server string, egressUpdate map[string]models.EgressInfo) error {
if fwCrtl == nil {
return errors.New("firewall is not initialized yet")
}
ruleTable := fwCrtl.FetchRuleTable(server, egressTable)
for egressNodeID := range ruleTable {
if _, ok := egressUpdate[egressNodeID]; !ok {
// egress GW is deleted, flush out all rules
fwCrtl.RemoveRoutingRules(server, egressTable, egressNodeID)
}
}
for egressNodeID, egressInfo := range egressUpdate {
if _, ok := ruleTable[egressNodeID]; !ok {
// set up rules for the GW on first time creation
slog.Info("setting egress routes", "node", egressNodeID)
fwCrtl.InsertEgressRoutingRules(server, egressInfo)
continue
}
}
return nil
}
// DeleteEgressGwRoutes - deletes egress routes for the gateway
func DeleteEgressGwRoutes(server string) {
if fwCrtl == nil {
return
}
fwCrtl.CleanRoutingRules(server, egressTable)
}