1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/api/server/router/network/network_routes.go

415 lines
13 KiB
Go
Raw Normal View History

package network // import "github.com/docker/docker/api/server/router/network"
import (
"context"
"encoding/json"
API: properly handle invalid JSON to return a 400 status The API did not treat invalid JSON payloads as a 400 error, as a result returning a 500 error; Before this change, an invalid JSON body would return a 500 error; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 500 Internal Server Error < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:55:20 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.54.0 > Accept: */* > Content-Type: application/json > < HTTP/1.1 500 Internal Server Error < Api-Version: 1.38 < Content-Length: 18 < Content-Type: application/json < Date: Mon, 05 Nov 2018 12:00:18 GMT < Docker-Experimental: true < Ostype: linux < Server: Docker/18.06.1-ce (linux) < {"message":"EOF"} ``` After this change, a 400 is returned; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:57:15 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:59:22 GMT < Content-Length: 49 < {"message":"got EOF while reading request body"} ``` Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2018-11-05 08:50:33 -05:00
"io"
"net/http"
"strconv"
"strings"
"github.com/docker/docker/api/server/httputils"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/api/types/versions"
"github.com/docker/docker/errdefs"
"github.com/docker/docker/libnetwork"
netconst "github.com/docker/docker/libnetwork/datastore"
"github.com/pkg/errors"
)
func (n *networkRouter) getNetworksList(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
filter, err := filters.FromJSON(r.Form.Get("filters"))
if err != nil {
return err
}
if err := network.ValidateFilters(filter); err != nil {
return err
}
var list []types.NetworkResource
nr, err := n.cluster.GetNetworks(filter)
if err == nil {
list = nr
}
// Combine the network list returned by Docker daemon if it is not already
// returned by the cluster manager
localNetworks, err := n.backend.GetNetworks(filter, types.NetworkListConfig{Detailed: versions.LessThan(httputils.VersionFromContext(ctx), "1.28")})
if err != nil {
return err
}
var idx map[string]bool
if len(list) > 0 {
idx = make(map[string]bool, len(list))
for _, n := range list {
idx[n.ID] = true
}
}
for _, n := range localNetworks {
if idx[n.ID] {
continue
}
list = append(list, n)
}
if list == nil {
list = []types.NetworkResource{}
}
return httputils.WriteJSON(w, http.StatusOK, list)
}
type invalidRequestError struct {
cause error
}
func (e invalidRequestError) Error() string {
return e.cause.Error()
}
func (e invalidRequestError) InvalidParameter() {}
type ambigousResultsError string
func (e ambigousResultsError) Error() string {
return "network " + string(e) + " is ambiguous"
}
func (ambigousResultsError) InvalidParameter() {}
func nameConflict(name string) error {
return errdefs.Conflict(libnetwork.NetworkNameError(name))
}
func (n *networkRouter) getNetwork(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
term := vars["id"]
var (
verbose bool
err error
)
if v := r.URL.Query().Get("verbose"); v != "" {
if verbose, err = strconv.ParseBool(v); err != nil {
return errors.Wrapf(invalidRequestError{err}, "invalid value for verbose: %s", v)
}
}
scope := r.URL.Query().Get("scope")
// In case multiple networks have duplicate names, return error.
// TODO (yongtang): should we wrap with version here for backward compatibility?
// First find based on full ID, return immediately once one is found.
// If a network appears both in swarm and local, assume it is in local first
// For full name and partial ID, save the result first, and process later
// in case multiple records was found based on the same term
listByFullName := map[string]types.NetworkResource{}
listByPartialID := map[string]types.NetworkResource{}
// TODO(@cpuguy83): All this logic for figuring out which network to return does not belong here
// Instead there should be a backend function to just get one network.
filter := filters.NewArgs(filters.Arg("idOrName", term))
if scope != "" {
filter.Add("scope", scope)
}
nw, _ := n.backend.GetNetworks(filter, types.NetworkListConfig{Detailed: true, Verbose: verbose})
for _, network := range nw {
if network.ID == term {
return httputils.WriteJSON(w, http.StatusOK, network)
}
if network.Name == term {
// No need to check the ID collision here as we are still in
// local scope and the network ID is unique in this scope.
listByFullName[network.ID] = network
}
if strings.HasPrefix(network.ID, term) {
// No need to check the ID collision here as we are still in
// local scope and the network ID is unique in this scope.
listByPartialID[network.ID] = network
}
}
nwk, err := n.cluster.GetNetwork(term)
if err == nil {
// If the get network is passed with a specific network ID / partial network ID
// or if the get network was passed with a network name and scope as swarm
// return the network. Skipped using isMatchingScope because it is true if the scope
// is not set which would be case if the client API v1.30
if strings.HasPrefix(nwk.ID, term) || (netconst.SwarmScope == scope) {
// If we have a previous match "backend", return it, we need verbose when enabled
// ex: overlay/partial_ID or name/swarm_scope
if nwv, ok := listByPartialID[nwk.ID]; ok {
nwk = nwv
} else if nwv, ok := listByFullName[nwk.ID]; ok {
nwk = nwv
}
return httputils.WriteJSON(w, http.StatusOK, nwk)
}
}
nr, _ := n.cluster.GetNetworks(filter)
for _, network := range nr {
if network.ID == term {
return httputils.WriteJSON(w, http.StatusOK, network)
}
if network.Name == term {
// Check the ID collision as we are in swarm scope here, and
// the map (of the listByFullName) may have already had a
// network with the same ID (from local scope previously)
if _, ok := listByFullName[network.ID]; !ok {
listByFullName[network.ID] = network
}
}
if strings.HasPrefix(network.ID, term) {
// Check the ID collision as we are in swarm scope here, and
// the map (of the listByPartialID) may have already had a
// network with the same ID (from local scope previously)
if _, ok := listByPartialID[network.ID]; !ok {
listByPartialID[network.ID] = network
}
}
}
// Find based on full name, returns true only if no duplicates
if len(listByFullName) == 1 {
for _, v := range listByFullName {
return httputils.WriteJSON(w, http.StatusOK, v)
}
}
if len(listByFullName) > 1 {
return errors.Wrapf(ambigousResultsError(term), "%d matches found based on name", len(listByFullName))
}
// Find based on partial ID, returns true only if no duplicates
if len(listByPartialID) == 1 {
for _, v := range listByPartialID {
return httputils.WriteJSON(w, http.StatusOK, v)
}
}
if len(listByPartialID) > 1 {
return errors.Wrapf(ambigousResultsError(term), "%d matches found based on ID prefix", len(listByPartialID))
}
return libnetwork.ErrNoSuchNetwork(term)
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var create types.NetworkCreateRequest
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&create); err != nil {
API: properly handle invalid JSON to return a 400 status The API did not treat invalid JSON payloads as a 400 error, as a result returning a 500 error; Before this change, an invalid JSON body would return a 500 error; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 500 Internal Server Error < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:55:20 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.54.0 > Accept: */* > Content-Type: application/json > < HTTP/1.1 500 Internal Server Error < Api-Version: 1.38 < Content-Length: 18 < Content-Type: application/json < Date: Mon, 05 Nov 2018 12:00:18 GMT < Docker-Experimental: true < Ostype: linux < Server: Docker/18.06.1-ce (linux) < {"message":"EOF"} ``` After this change, a 400 is returned; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:57:15 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:59:22 GMT < Content-Length: 49 < {"message":"got EOF while reading request body"} ``` Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2018-11-05 08:50:33 -05:00
if err == io.EOF {
return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
}
return errdefs.InvalidParameter(err)
}
if nws, err := n.cluster.GetNetworksByName(create.Name); err == nil && len(nws) > 0 {
return nameConflict(create.Name)
}
nw, err := n.backend.CreateNetwork(create)
if err != nil {
var warning string
if _, ok := err.(libnetwork.NetworkNameError); ok {
// check if user defined CheckDuplicate, if set true, return err
// otherwise prepare a warning message
if create.CheckDuplicate {
return nameConflict(create.Name)
}
warning = libnetwork.NetworkNameError(create.Name).Error()
}
if _, ok := err.(libnetwork.ManagerRedirectError); !ok {
return err
}
id, err := n.cluster.CreateNetwork(create)
if err != nil {
return err
}
nw = &types.NetworkCreateResponse{
ID: id,
Warning: warning,
}
}
return httputils.WriteJSON(w, http.StatusCreated, nw)
}
func (n *networkRouter) postNetworkConnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var connect types.NetworkConnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&connect); err != nil {
API: properly handle invalid JSON to return a 400 status The API did not treat invalid JSON payloads as a 400 error, as a result returning a 500 error; Before this change, an invalid JSON body would return a 500 error; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 500 Internal Server Error < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:55:20 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.54.0 > Accept: */* > Content-Type: application/json > < HTTP/1.1 500 Internal Server Error < Api-Version: 1.38 < Content-Length: 18 < Content-Type: application/json < Date: Mon, 05 Nov 2018 12:00:18 GMT < Docker-Experimental: true < Ostype: linux < Server: Docker/18.06.1-ce (linux) < {"message":"EOF"} ``` After this change, a 400 is returned; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:57:15 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:59:22 GMT < Content-Length: 49 < {"message":"got EOF while reading request body"} ``` Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2018-11-05 08:50:33 -05:00
if err == io.EOF {
return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
}
return errdefs.InvalidParameter(err)
}
// Unlike other operations, we does not check ambiguity of the name/ID here.
// The reason is that, In case of attachable network in swarm scope, the actual local network
// may not be available at the time. At the same time, inside daemon `ConnectContainerToNetwork`
// does the ambiguity check anyway. Therefore, passing the name to daemon would be enough.
return n.backend.ConnectContainerToNetwork(connect.Container, vars["id"], connect.EndpointConfig)
}
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var disconnect types.NetworkDisconnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&disconnect); err != nil {
API: properly handle invalid JSON to return a 400 status The API did not treat invalid JSON payloads as a 400 error, as a result returning a 500 error; Before this change, an invalid JSON body would return a 500 error; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 500 Internal Server Error < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:55:20 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.54.0 > Accept: */* > Content-Type: application/json > < HTTP/1.1 500 Internal Server Error < Api-Version: 1.38 < Content-Length: 18 < Content-Type: application/json < Date: Mon, 05 Nov 2018 12:00:18 GMT < Docker-Experimental: true < Ostype: linux < Server: Docker/18.06.1-ce (linux) < {"message":"EOF"} ``` After this change, a 400 is returned; ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" \ -d '{invalid json' ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > Content-Length: 13 > * upload completely sent off: 13 out of 13 bytes < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:57:15 GMT < Content-Length: 79 < {"message":"invalid character 'i' looking for beginning of object key string"} ``` Empty request: ```bash curl -v \ --unix-socket /var/run/docker.sock \ -X POST \ "http://localhost/v1.30/networks/create" \ -H "Content-Type: application/json" ``` ``` > POST /v1.30/networks/create HTTP/1.1 > Host: localhost > User-Agent: curl/7.52.1 > Accept: */* > Content-Type: application/json > < HTTP/1.1 400 Bad Request < Api-Version: 1.40 < Content-Type: application/json < Docker-Experimental: false < Ostype: linux < Server: Docker/dev (linux) < Date: Mon, 05 Nov 2018 11:59:22 GMT < Content-Length: 49 < {"message":"got EOF while reading request body"} ``` Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2018-11-05 08:50:33 -05:00
if err == io.EOF {
return errdefs.InvalidParameter(errors.New("got EOF while reading request body"))
}
return errdefs.InvalidParameter(err)
}
return n.backend.DisconnectContainerFromNetwork(disconnect.Container, vars["id"], disconnect.Force)
}
func (n *networkRouter) deleteNetwork(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
nw, err := n.findUniqueNetwork(vars["id"])
if err != nil {
return err
}
if nw.Scope == "swarm" {
if err = n.cluster.RemoveNetwork(nw.ID); err != nil {
return err
}
} else {
if err := n.backend.DeleteNetwork(nw.ID); err != nil {
return err
}
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func (n *networkRouter) postNetworksPrune(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
pruneFilters, err := filters.FromJSON(r.Form.Get("filters"))
if err != nil {
return err
}
pruneReport, err := n.backend.NetworksPrune(ctx, pruneFilters)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusOK, pruneReport)
}
// findUniqueNetwork will search network across different scopes (both local and swarm).
// NOTE: This findUniqueNetwork is different from FindNetwork in the daemon.
// In case multiple networks have duplicate names, return error.
// First find based on full ID, return immediately once one is found.
// If a network appears both in swarm and local, assume it is in local first
// For full name and partial ID, save the result first, and process later
// in case multiple records was found based on the same term
// TODO (yongtang): should we wrap with version here for backward compatibility?
func (n *networkRouter) findUniqueNetwork(term string) (types.NetworkResource, error) {
listByFullName := map[string]types.NetworkResource{}
listByPartialID := map[string]types.NetworkResource{}
filter := filters.NewArgs(filters.Arg("idOrName", term))
nw, _ := n.backend.GetNetworks(filter, types.NetworkListConfig{Detailed: true})
for _, network := range nw {
if network.ID == term {
return network, nil
}
if network.Name == term && !network.Ingress {
// No need to check the ID collision here as we are still in
// local scope and the network ID is unique in this scope.
listByFullName[network.ID] = network
}
if strings.HasPrefix(network.ID, term) {
// No need to check the ID collision here as we are still in
// local scope and the network ID is unique in this scope.
listByPartialID[network.ID] = network
}
}
nr, _ := n.cluster.GetNetworks(filter)
for _, network := range nr {
if network.ID == term {
return network, nil
}
if network.Name == term {
// Check the ID collision as we are in swarm scope here, and
// the map (of the listByFullName) may have already had a
// network with the same ID (from local scope previously)
if _, ok := listByFullName[network.ID]; !ok {
listByFullName[network.ID] = network
}
}
if strings.HasPrefix(network.ID, term) {
// Check the ID collision as we are in swarm scope here, and
// the map (of the listByPartialID) may have already had a
// network with the same ID (from local scope previously)
if _, ok := listByPartialID[network.ID]; !ok {
listByPartialID[network.ID] = network
}
}
}
// Find based on full name, returns true only if no duplicates
if len(listByFullName) == 1 {
for _, v := range listByFullName {
return v, nil
}
}
if len(listByFullName) > 1 {
return types.NetworkResource{}, errdefs.InvalidParameter(errors.Errorf("network %s is ambiguous (%d matches found based on name)", term, len(listByFullName)))
}
// Find based on partial ID, returns true only if no duplicates
if len(listByPartialID) == 1 {
for _, v := range listByPartialID {
return v, nil
}
}
if len(listByPartialID) > 1 {
return types.NetworkResource{}, errdefs.InvalidParameter(errors.Errorf("network %s is ambiguous (%d matches found based on ID prefix)", term, len(listByPartialID)))
}
return types.NetworkResource{}, errdefs.NotFound(libnetwork.ErrNoSuchNetwork(term))
}