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package libpod
import (
"encoding/json"
"net/http"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/libpod/network"
"github.com/containers/podman/v3/pkg/api/handlers/utils"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/domain/infra/abi"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
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
}
if len(options.Driver) < 1 {
options.Driver = network.DefaultNetworkDriver
}
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)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
Filters map[string][]string `schema:"filters"`
}{
// 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
}
options := entities.NetworkListOptions{
Filters: query.Filters,
}
ic := abi.ContainerEngine{Libpod: runtime}
reports, err := ic.NetworkList(r.Context(), options)
if err != nil {
utils.InternalServerError(w, err)
return
}
utils.WriteResponse(w, http.StatusOK, reports)
}
func RemoveNetwork(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
}
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
}
name := utils.GetName(r)
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(reports[0].Err) == define.ErrNoSuchNetwork {
utils.Error(w, "Something went wrong", http.StatusNotFound, reports[0].Err)
return
}
}
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 {
}{
// 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
}
name := utils.GetName(r)
options := entities.InspectOptions{}
ic := abi.ContainerEngine{Libpod: runtime}
reports, errs, err := ic.NetworkInspect(r.Context(), []string{name}, options)
// If the network cannot be found, we return a 404.
if len(errs) > 0 {
utils.Error(w, "Something went wrong", http.StatusNotFound, define.ErrNoSuchNetwork)
return
}
if err != nil {
utils.InternalServerError(w, err)
return
}
utils.WriteResponse(w, http.StatusOK, reports)
}
// Connect adds a container to a network
func Connect(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
var netConnect entities.NetworkConnectOptions
if err := json.NewDecoder(r.Body).Decode(&netConnect); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()"))
return
}
name := utils.GetName(r)
err := runtime.ConnectContainerToNetwork(netConnect.Container, name, netConnect.Aliases)
if err != nil {
if errors.Cause(err) == define.ErrNoSuchCtr {
utils.ContainerNotFound(w, netConnect.Container, err)
return
}
if errors.Cause(err) == define.ErrNoSuchNetwork {
utils.Error(w, "network not found", http.StatusNotFound, err)
return
}
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
utils.WriteResponse(w, http.StatusOK, "OK")
}
// ExistsNetwork check if a network exists
func ExistsNetwork(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
name := utils.GetName(r)
ic := abi.ContainerEngine{Libpod: runtime}
report, err := ic.NetworkExists(r.Context(), name)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
if !report.Value {
utils.Error(w, "network not found", http.StatusNotFound, define.ErrNoSuchNetwork)
return
}
utils.WriteResponse(w, http.StatusNoContent, "")
}
// Prune removes unused networks
func Prune(w http.ResponseWriter, r *http.Request) {
// TODO Filters are not implemented
runtime := r.Context().Value("runtime").(*libpod.Runtime)
ic := abi.ContainerEngine{Libpod: runtime}
pruneOptions := entities.NetworkPruneOptions{}
pruneReports, err := ic.NetworkPrune(r.Context(), pruneOptions)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
return
}
utils.WriteResponse(w, http.StatusOK, pruneReports)
}
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