Merge pull request #2408 from euanh/golang-1.12.6

Update to Golang 1.12.6

libnetwork/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.10.7 as dev
+FROM golang:1.12.6 as dev
 RUN apt-get update && apt-get -y install iptables \
 		protobuf-compiler
 

libnetwork/drivers/bridge/setup_ip_tables.go

@@ -302,7 +302,7 @@ func setINC(iface string, enable bool) error {
 				if i == 1 {
 					// Rollback the rule installed on first chain
 					if err2 := iptables.ProgramRule(iptables.Filter, chains[0], iptables.Delete, rules[0]); err2 != nil {
-						logrus.Warn("Failed to rollback iptables rule after failure (%v): %v", err, err2)
+						logrus.Warnf("Failed to rollback iptables rule after failure (%v): %v", err, err2)
 					}
 				}
 				return fmt.Errorf(msg)

libnetwork/drivers/overlay/ostweaks_linux.go

@@ -7,9 +7,9 @@ import (
 )
 
 var ovConfig = map[string]*kernel.OSValue{
-	"net.ipv4.neigh.default.gc_thresh1": {"8192", checkHigher},
-	"net.ipv4.neigh.default.gc_thresh2": {"49152", checkHigher},
-	"net.ipv4.neigh.default.gc_thresh3": {"65536", checkHigher},
+	"net.ipv4.neigh.default.gc_thresh1": {Value: "8192", CheckFn: checkHigher},
+	"net.ipv4.neigh.default.gc_thresh2": {Value: "49152", CheckFn: checkHigher},
+	"net.ipv4.neigh.default.gc_thresh3": {Value: "65536", CheckFn: checkHigher},
 }
 
 func checkHigher(val1, val2 string) bool {

libnetwork/network.go

@@ -1054,7 +1054,7 @@ func (n *network) delete(force bool, rmLBEndpoint bool) error {
 					t.Name(), n.Name(), err)
 			}
 		} else {
-			logrus.Warnf("Could not find configuration network %q during removal of network %q", n.configOnly, n.Name())
+			logrus.Warnf("Could not find configuration network %q during removal of network %q", n.configFrom, n.Name())
 		}
 	}
 

libnetwork/osl/namespace_linux.go

@@ -40,7 +40,7 @@ var (
 	loadBalancerConfig = map[string]*kernel.OSValue{
 		// expires connection from the IPVS connection table when the backend is not available
 		// more info: https://github.com/torvalds/linux/blob/master/Documentation/networking/ipvs-sysctl.txt#L126:1
-		"net.ipv4.vs.expire_nodest_conn": {"1", nil},
+		"net.ipv4.vs.expire_nodest_conn": {Value: "1", CheckFn: nil},
 	}
 )