3 files changed, 34 insertions, 5 deletions
diff --git a/libpod/network/files.go b/libpod/network/files.go
index 83cb1c23a..33cf01064 100644
--- a/libpod/network/files.go
+++ b/libpod/network/files.go
@@ -50,13 +50,15 @@ func LoadCNIConfsFromDir(dir string) ([]*libcni.NetworkConfigList, error) {
 	return configs, nil
 }
 
-// GetCNIConfigPathByName finds a CNI network by name and
+// GetCNIConfigPathByNameOrID finds a CNI network by name and
 // returns its configuration file path
-func GetCNIConfigPathByName(config *config.Config, name string) (string, error) {
+func GetCNIConfigPathByNameOrID(config *config.Config, name string) (string, error) {
 	files, err := libcni.ConfFiles(GetCNIConfDir(config), []string{".conflist"})
 	if err != nil {
 		return "", err
 	}
+	idMatch := 0
+	file := ""
 	for _, confFile := range files {
 		conf, err := libcni.ConfListFromFile(confFile)
 		if err != nil {
@@ -65,6 +67,16 @@ func GetCNIConfigPathByName(config *config.Config, name string) (string, error)
 		if conf.Name == name {
 			return confFile, nil
 		}
+		if strings.HasPrefix(GetNetworkID(conf.Name), name) {
+			idMatch++
+			file = confFile
+		}
+	}
+	if idMatch == 1 {
+		return file, nil
+	}
+	if idMatch > 1 {
+		return "", errors.Errorf("more than one result for network ID %s", name)
 	}
 	return "", errors.Wrap(define.ErrNoSuchNetwork, fmt.Sprintf("unable to find network configuration for %s", name))
 }
@@ -72,7 +84,7 @@ func GetCNIConfigPathByName(config *config.Config, name string) (string, error)
 // ReadRawCNIConfByName reads the raw CNI configuration for a CNI
 // network by name
 func ReadRawCNIConfByName(config *config.Config, name string) ([]byte, error) {
-	confFile, err := GetCNIConfigPathByName(config, name)
+	confFile, err := GetCNIConfigPathByNameOrID(config, name)
 	if err != nil {
 		return nil, err
 	}
diff --git a/libpod/network/netconflist.go b/libpod/network/netconflist.go
index a5fec5e80..d61b96ecb 100644
--- a/libpod/network/netconflist.go
+++ b/libpod/network/netconflist.go
@@ -230,8 +230,16 @@ func IfPassesFilter(netconf *libcni.NetworkConfigList, filters map[string][]stri
 				}
 			}
 
+		case "id":
+			// matches part of one id
+			for _, filterValue := range filterValues {
+				if strings.Contains(GetNetworkID(netconf.Name), filterValue) {
+					result = true
+					break
+				}
+			}
+
 		// TODO: add dangling filter
-		// TODO TODO: add id filter if we support ids
 
 		default:
 			return false, errors.Errorf("invalid filter %q", key)
diff --git a/libpod/network/network.go b/libpod/network/network.go
index 0febb52f6..89f0b67ac 100644
--- a/libpod/network/network.go
+++ b/libpod/network/network.go
@@ -1,6 +1,8 @@
 package network
 
 import (
+	"crypto/sha256"
+	"encoding/hex"
 	"encoding/json"
 	"net"
 	"os"
@@ -175,7 +177,7 @@ func RemoveNetwork(config *config.Config, name string) error {
 		return err
 	}
 	defer l.releaseCNILock()
-	cniPath, err := GetCNIConfigPathByName(config, name)
+	cniPath, err := GetCNIConfigPathByNameOrID(config, name)
 	if err != nil {
 		return err
 	}
@@ -229,3 +231,10 @@ func Exists(config *config.Config, name string) (bool, error) {
 	}
 	return true, nil
 }
+
+// GetNetworkID return the network ID for a given name.
+// It is just the sha256 hash but this should be good enough.
+func GetNetworkID(name string) string {
+	hash := sha256.Sum256([]byte(name))
+	return hex.EncodeToString(hash[:])
+}