Merge pull request #6197 from baude/v2remotenetwork

enable podman v2 networking for remote client

cmd/podman/networks/create.go

@@ -46,7 +46,7 @@ func networkCreateFlags(flags *pflag.FlagSet) {
 }
 func init() {
 	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode},
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
 		Command: networkCreateCommand,
 		Parent:  networkCmd,
 	})

cmd/podman/networks/inspect.go

@@ -26,7 +26,7 @@ var (
 
 func init() {
 	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode},
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
 		Command: networkinspectCommand,
 		Parent:  networkCmd,
 	})

cmd/podman/networks/list.go

@@ -4,13 +4,12 @@ import (
 	"encoding/json"
 	"fmt"
 	"html/template"
-	"io"
 	"os"
 	"strings"
-
-	"github.com/containers/libpod/cmd/podman/validate"
+	"text/tabwriter"
 
 	"github.com/containers/libpod/cmd/podman/registry"
+	"github.com/containers/libpod/cmd/podman/validate"
 	"github.com/containers/libpod/pkg/domain/entities"
 	"github.com/containers/libpod/pkg/network"
 	"github.com/spf13/cobra"
@@ -47,7 +46,7 @@ func networkListFlags(flags *pflag.FlagSet) {
 
 func init() {
 	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode},
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
 		Command: networklistCommand,
 		Parent:  networkCmd,
 	})
@@ -57,7 +56,6 @@ func init() {
 
 func networkList(cmd *cobra.Command, args []string) error {
 	var (
-		w     io.Writer = os.Stdout
 		nlprs []NetworkListPrintReports
 	)
 
@@ -95,13 +93,11 @@ func networkList(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
+	w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
 	if err := tmpl.Execute(w, nlprs); err != nil {
 		return err
 	}
-	if flusher, ok := w.(interface{ Flush() error }); ok {
-		return flusher.Flush()
-	}
-	return nil
+	return w.Flush()
 }
 
 func quietOut(responses []*entities.NetworkListReport) error {

cmd/podman/networks/network.go

@@ -20,7 +20,7 @@ var (
 
 func init() {
 	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode},
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
 		Command: networkCmd,
 	})
 }

cmd/podman/networks/rm.go

@@ -35,7 +35,7 @@ func networkRmFlags(flags *pflag.FlagSet) {
 
 func init() {
 	registry.Commands = append(registry.Commands, registry.CliCommand{
-		Mode:    []entities.EngineMode{entities.ABIMode},
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
 		Command: networkrmCommand,
 		Parent:  networkCmd,
 	})

pkg/api/handlers/libpod/containers_create.go

@@ -5,10 +5,9 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"github.com/containers/libpod/pkg/domain/entities"
-
 	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/api/handlers/utils"
+	"github.com/containers/libpod/pkg/domain/entities"
 	"github.com/containers/libpod/pkg/specgen"
 	"github.com/containers/libpod/pkg/specgen/generate"
 	"github.com/pkg/errors"

pkg/api/handlers/libpod/networks.go

@@ -1,39 +1,59 @@
 package libpod
 
 import (
+	"encoding/json"
 	"net/http"
 
 	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/api/handlers/utils"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/libpod/pkg/domain/infra/abi"
 	"github.com/containers/libpod/pkg/network"
 	"github.com/gorilla/schema"
 	"github.com/pkg/errors"
 )
 
-func CreateNetwork(w http.ResponseWriter, r *http.Request) {}
+func CreateNetwork(w http.ResponseWriter, r *http.Request) {
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	decoder := r.Context().Value("decoder").(*schema.Decoder)
+	options := entities.NetworkCreateOptions{}
+	if err := json.NewDecoder(r.Body).Decode(&options); err != nil {
+		utils.Error(w, "unable to marshall input", http.StatusInternalServerError, errors.Wrap(err, "Decode()"))
+		return
+	}
+	query := struct {
+		Name string `schema:"name"`
+	}{
+		// override any golang type defaults
+	}
+	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+			errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
+		return
+	}
+	ic := abi.ContainerEngine{Libpod: runtime}
+	report, err := ic.NetworkCreate(r.Context(), query.Name, options)
+	if err != nil {
+		utils.InternalServerError(w, err)
+		return
+	}
+	utils.WriteResponse(w, http.StatusOK, report)
+
+}
 func ListNetworks(w http.ResponseWriter, r *http.Request) {
 	runtime := r.Context().Value("runtime").(*libpod.Runtime)
-	config, err := runtime.GetConfig()
+	options := entities.NetworkListOptions{}
+	ic := abi.ContainerEngine{Libpod: runtime}
+	reports, err := ic.NetworkList(r.Context(), options)
 	if err != nil {
 		utils.InternalServerError(w, err)
 		return
 	}
-	configDir := config.Network.NetworkConfigDir
-	if len(configDir) < 1 {
-		configDir = network.CNIConfigDir
-	}
-	networks, err := network.LoadCNIConfsFromDir(configDir)
-	if err != nil {
-		utils.InternalServerError(w, err)
-		return
-	}
-	utils.WriteResponse(w, http.StatusOK, networks)
+	utils.WriteResponse(w, http.StatusOK, reports)
 }
 
 func RemoveNetwork(w http.ResponseWriter, r *http.Request) {
-	// 200 ok
-	// 404 no such
-	// 500 internal
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
 	decoder := r.Context().Value("decoder").(*schema.Decoder)
 	query := struct {
 		Force bool `schema:"force"`
@@ -46,22 +66,30 @@ func RemoveNetwork(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	name := utils.GetName(r)
-	if err := network.RemoveNetwork(name); err != nil {
+
+	options := entities.NetworkRmOptions{
+		Force: query.Force,
+	}
+	ic := abi.ContainerEngine{Libpod: runtime}
+	reports, err := ic.NetworkRm(r.Context(), []string{name}, options)
+	if err != nil {
+		utils.InternalServerError(w, err)
+		return
+	}
+	if reports[0].Err != nil {
 		// If the network cannot be found, we return a 404.
 		if errors.Cause(err) == network.ErrNetworkNotFound {
 			utils.Error(w, "Something went wrong", http.StatusNotFound, err)
 			return
 		}
-		utils.InternalServerError(w, err)
-		return
 	}
-	utils.WriteResponse(w, http.StatusOK, "")
+	utils.WriteResponse(w, http.StatusOK, reports)
 }
 
 func InspectNetwork(w http.ResponseWriter, r *http.Request) {
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
 	decoder := r.Context().Value("decoder").(*schema.Decoder)
 	query := struct {
-		Force bool `schema:"force"`
 	}{
 		// override any golang type defaults
 	}
@@ -71,7 +99,9 @@ func InspectNetwork(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	name := utils.GetName(r)
-	n, err := network.InspectNetwork(name)
+	options := entities.NetworkInspectOptions{}
+	ic := abi.ContainerEngine{Libpod: runtime}
+	reports, err := ic.NetworkInspect(r.Context(), []string{name}, options)
 	if err != nil {
 		// If the network cannot be found, we return a 404.
 		if errors.Cause(err) == network.ErrNetworkNotFound {
@@ -81,5 +111,5 @@ func InspectNetwork(w http.ResponseWriter, r *http.Request) {
 		utils.InternalServerError(w, err)
 		return
 	}
-	utils.WriteResponse(w, http.StatusOK, n)
+	utils.WriteResponse(w, http.StatusOK, reports)
 }

pkg/api/handlers/libpod/swagger.go

@@ -91,6 +91,34 @@ type swagInfoResponse struct {
 	Body define.Info
 }
 
+// Network rm
+// swagger:response NetworkRmReport
+type swagNetworkRmReport struct {
+	// in:body
+	Body entities.NetworkRmReport
+}
+
+// Network inspect
+// swagger:response NetworkInspectReport
+type swagNetworkInspectReport struct {
+	// in:body
+	Body []entities.NetworkInspectReport
+}
+
+// Network list
+// swagger:response NetworkListReport
+type swagNetworkListReport struct {
+	// in:body
+	Body []entities.NetworkListReport
+}
+
+// Network create
+// swagger:response NetworkCreateReport
+type swagNetworkCreateReport struct {
+	// in:body
+	Body entities.NetworkCreateReport
+}
+
 func ServeSwagger(w http.ResponseWriter, r *http.Request) {
 	path := DefaultPodmanSwaggerSpec
 	if p, found := os.LookupEnv("PODMAN_SWAGGER_SPEC"); found {

pkg/api/server/register_networks.go

@@ -0,0 +1,100 @@
+package server
+
+import (
+	"net/http"
+
+	"github.com/containers/libpod/pkg/api/handlers/libpod"
+	"github.com/gorilla/mux"
+)
+
+func (s *APIServer) registerNetworkHandlers(r *mux.Router) error {
+	// swagger:operation DELETE /libpod/networks/{name} libpod libpodRemoveNetwork
+	// ---
+	// tags:
+	//  - networks
+	// summary: Remove a network
+	// description: Remove a CNI configured network
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: the name of the network
+	//  - in: query
+	//    name: Force
+	//    type: boolean
+	//    description: remove containers associated with network
+	// produces:
+	// - application/json
+	// responses:
+	//   200:
+	//     $ref: "#/responses/NetworkRmReport"
+	//   404:
+	//     $ref: "#/responses/NoSuchNetwork"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/libpod/networks/{name}"), s.APIHandler(libpod.RemoveNetwork)).Methods(http.MethodDelete)
+	// swagger:operation GET /libpod/networks/{name}/json libpod libpodInspectNetwork
+	// ---
+	// tags:
+	//  - networks
+	// summary: Inspect a network
+	// description: Display low level configuration for a CNI network
+	// parameters:
+	//  - in: path
+	//    name: name
+	//    type: string
+	//    required: true
+	//    description: the name of the network
+	// produces:
+	// - application/json
+	// responses:
+	//   200:
+	//     $ref: "#/responses/NetworkInspectReport"
+	//   404:
+	//     $ref: "#/responses/NoSuchNetwork"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/libpod/networks/{name}/json"), s.APIHandler(libpod.InspectNetwork)).Methods(http.MethodGet)
+	// swagger:operation GET /libpod/networks/json libpod libpodListNetwork
+	// ---
+	// tags:
+	//  - networks
+	// summary: List networks
+	// description: Display summary of network configurations
+	// produces:
+	// - application/json
+	// responses:
+	//   200:
+	//     $ref: "#/responses/NetworkListReport"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/libpod/networks/json"), s.APIHandler(libpod.ListNetworks)).Methods(http.MethodGet)
+	// swagger:operation POST /libpod/networks/create libpod libpodCreateNetwork
+	// ---
+	// tags:
+	//  - networks
+	// summary: Create network
+	// description: Create a new CNI network configuration
+	// produces:
+	// - application/json
+	// parameters:
+	//  - in: query
+	//    name: name
+	//    type: string
+	//    description: optional name for new network
+	//  - in: body
+	//    name: create
+	//    description: attributes for creating a container
+	//    schema:
+	//      $ref: "#/definitions/NetworkCreateOptions"
+	// responses:
+	//   200:
+	//     $ref: "#/responses/NetworkCreateReport"
+	//   400:
+	//     $ref: "#/responses/BadParamError"
+	//   500:
+	//     $ref: "#/responses/InternalError"
+	r.HandleFunc(VersionedPath("/libpod/networks/create"), s.APIHandler(libpod.CreateNetwork)).Methods(http.MethodPost)
+	return nil
+}

pkg/api/server/server.go

@@ -104,6 +104,7 @@ func newServer(runtime *libpod.Runtime, duration time.Duration, listener *net.Li
 		server.registerInfoHandlers,
 		server.registerManifestHandlers,
 		server.registerMonitorHandlers,
+		server.registerNetworkHandlers,
 		server.registerPingHandlers,
 		server.registerPlayHandlers,
 		server.registerPluginsHandlers,

pkg/api/server/swagger.go

@@ -24,6 +24,15 @@ type swagErrNoSuchContainer struct {
 	}
 }
 
+// No such network
+// swagger:response NoSuchNetwork
+type swagErrNoSuchNetwork struct {
+	// in:body
+	Body struct {
+		entities.ErrorModel
+	}
+}
+
 // No such exec instance
 // swagger:response NoSuchExecInstance
 type swagErrNoSuchExecInstance struct {

pkg/api/tags.yaml

@@ -5,9 +5,11 @@ tags:
       description: Actions related to exec
     - name: images
       description: Actions related to images
-    - name: pods
-      description: Actions related to manifests
     - name: manifests
+      description: Actions related to manifests
+    - name: networks
+      description: Actions related to networks
+    - name: pods
       description: Actions related to pods
     - name: volumes
       description: Actions related to volumes

pkg/bindings/network/network.go

@@ -3,40 +3,76 @@ package network
 import (
 	"context"
 	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
 
-	"github.com/containernetworking/cni/libcni"
 	"github.com/containers/libpod/pkg/bindings"
+	"github.com/containers/libpod/pkg/domain/entities"
+	jsoniter "github.com/json-iterator/go"
 )
 
-func Create() {}
-func Inspect(ctx context.Context, nameOrID string) (map[string]interface{}, error) {
+// Create makes a new CNI network configuration
+func Create(ctx context.Context, options entities.NetworkCreateOptions, name *string) (*entities.NetworkCreateReport, error) {
+	var report entities.NetworkCreateReport
 	conn, err := bindings.GetClient(ctx)
 	if err != nil {
 		return nil, err
 	}
-	n := make(map[string]interface{})
-	response, err := conn.DoRequest(nil, http.MethodGet, "/networks/%s/json", nil, nameOrID)
-	if err != nil {
-		return n, err
+	params := url.Values{}
+	if name != nil {
+		params.Set("name", *name)
 	}
-	return n, response.Process(&n)
+	networkConfig, err := jsoniter.MarshalToString(options)
+	if err != nil {
+		return nil, err
+	}
+	stringReader := strings.NewReader(networkConfig)
+	response, err := conn.DoRequest(stringReader, http.MethodPost, "/networks/create", params)
+	if err != nil {
+		return nil, err
+	}
+	return &report, response.Process(&report)
 }
 
-func Remove(ctx context.Context, nameOrID string) error {
+// Inspect returns low level information about a CNI network configuration
+func Inspect(ctx context.Context, nameOrID string) ([]entities.NetworkInspectReport, error) {
+	var reports []entities.NetworkInspectReport
 	conn, err := bindings.GetClient(ctx)
 	if err != nil {
-		return err
+		return nil, err
 	}
-	response, err := conn.DoRequest(nil, http.MethodDelete, "/networks/%s", nil, nameOrID)
+	response, err := conn.DoRequest(nil, http.MethodGet, "/networks/%s/json", nil, nameOrID)
 	if err != nil {
-		return err
+		return nil, err
 	}
-	return response.Process(nil)
+	return reports, response.Process(&reports)
 }
 
-func List(ctx context.Context) ([]*libcni.NetworkConfigList, error) {
+// Remove deletes a defined CNI network configuration by name.  The optional force boolean
+// will remove all containers associated with the network when set to true.  A slice
+// of NetworkRemoveReports are returned.
+func Remove(ctx context.Context, nameOrID string, force *bool) ([]*entities.NetworkRmReport, error) {
+	var reports []*entities.NetworkRmReport
+	conn, err := bindings.GetClient(ctx)
+	if err != nil {
+		return nil, err
+	}
+	params := url.Values{}
+	if force != nil {
+		params.Set("size", strconv.FormatBool(*force))
+	}
+	response, err := conn.DoRequest(nil, http.MethodDelete, "/networks/%s", params, nameOrID)
+	if err != nil {
+		return nil, err
+	}
+	return reports, response.Process(&reports)
+}
+
+// List returns a summary of all CNI network configurations
+func List(ctx context.Context) ([]*entities.NetworkListReport, error) {
 	var (
-		netList []*libcni.NetworkConfigList
+		netList []*entities.NetworkListReport
 	)
 	conn, err := bindings.GetClient(ctx)
 	if err != nil {

pkg/domain/entities/network.go

@@ -36,6 +36,7 @@ type NetworkRmReport struct {
 }
 
 // NetworkCreateOptions describes options to create a network
+// swagger:model NetworkCreateOptions
 type NetworkCreateOptions struct {
 	DisableDNS bool
 	Driver     string

pkg/domain/infra/tunnel/network.go

@@ -2,22 +2,39 @@ package tunnel
 
 import (
 	"context"
-	"errors"
 
+	"github.com/containers/libpod/pkg/bindings/network"
 	"github.com/containers/libpod/pkg/domain/entities"
 )
 
 func (ic *ContainerEngine) NetworkList(ctx context.Context, options entities.NetworkListOptions) ([]*entities.NetworkListReport, error) {
-	return nil, errors.New("not implemented")
+	return network.List(ic.ClientCxt)
 }
 
 func (ic *ContainerEngine) NetworkInspect(ctx context.Context, namesOrIds []string, options entities.NetworkInspectOptions) ([]entities.NetworkInspectReport, error) {
-	return nil, errors.New("not implemented")
+	var reports []entities.NetworkInspectReport
+	for _, name := range namesOrIds {
+		report, err := network.Inspect(ic.ClientCxt, name)
+		if err != nil {
+			return nil, err
+		}
+		reports = append(reports, report...)
+	}
+	return reports, nil
 }
+
 func (ic *ContainerEngine) NetworkRm(ctx context.Context, namesOrIds []string, options entities.NetworkRmOptions) ([]*entities.NetworkRmReport, error) {
-	return nil, errors.New("not implemented")
+	var reports []*entities.NetworkRmReport
+	for _, name := range namesOrIds {
+		report, err := network.Remove(ic.ClientCxt, name, &options.Force)
+		if err != nil {
+			report[0].Err = err
+		}
+		reports = append(reports, report...)
+	}
+	return reports, nil
 }
 
 func (ic *ContainerEngine) NetworkCreate(ctx context.Context, name string, options entities.NetworkCreateOptions) (*entities.NetworkCreateReport, error) {
-	return nil, errors.New("not implemented")
+	return network.Create(ic.ClientCxt, options, &name)
 }