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package network
import (
"context"
"net/http"
"strings"
"github.com/containers/common/libnetwork/types"
"github.com/containers/podman/v3/pkg/bindings"
"github.com/containers/podman/v3/pkg/domain/entities"
jsoniter "github.com/json-iterator/go"
)
// Create makes a new CNI network configuration
func Create(ctx context.Context, network *types.Network) (types.Network, error) {
var report types.Network
conn, err := bindings.GetClient(ctx)
if err != nil {
return report, err
}
// create empty network if the caller did not provide one
if network == nil {
network = &types.Network{}
}
networkConfig, err := jsoniter.MarshalToString(*network)
if err != nil {
return report, err
}
reader := strings.NewReader(networkConfig)
response, err := conn.DoRequest(ctx, reader, http.MethodPost, "/networks/create", nil, nil)
if err != nil {
return report, err
}
defer response.Body.Close()
return report, response.Process(&report)
}
// Inspect returns low level information about a CNI network configuration
func Inspect(ctx context.Context, nameOrID string, _ *InspectOptions) (types.Network, error) {
var net types.Network
conn, err := bindings.GetClient(ctx)
if err != nil {
return net, err
}
response, err := conn.DoRequest(ctx, nil, http.MethodGet, "/networks/%s/json", nil, nil, nameOrID)
if err != nil {
return net, err
}
defer response.Body.Close()
return net, response.Process(&net)
}
// 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, options *RemoveOptions) ([]*entities.NetworkRmReport, error) {
var reports []*entities.NetworkRmReport
if options == nil {
options = new(RemoveOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
response, err := conn.DoRequest(ctx, nil, http.MethodDelete, "/networks/%s", params, nil, nameOrID)
if err != nil {
return nil, err
}
defer response.Body.Close()
return reports, response.Process(&reports)
}
// List returns a summary of all CNI network configurations
func List(ctx context.Context, options *ListOptions) ([]types.Network, error) {
var netList []types.Network
if options == nil {
options = new(ListOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
response, err := conn.DoRequest(ctx, nil, http.MethodGet, "/networks/json", params, nil)
if err != nil {
return netList, err
}
defer response.Body.Close()
return netList, response.Process(&netList)
}
// Disconnect removes a container from a given network
func Disconnect(ctx context.Context, networkName string, ContainerNameOrID string, options *DisconnectOptions) error {
if options == nil {
options = new(DisconnectOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return err
}
// Disconnect sends everything in body
disconnect := struct {
Container string
Force bool
}{
Container: ContainerNameOrID,
}
if force := options.GetForce(); options.Changed("Force") {
disconnect.Force = force
}
body, err := jsoniter.MarshalToString(disconnect)
if err != nil {
return err
}
stringReader := strings.NewReader(body)
response, err := conn.DoRequest(ctx, stringReader, http.MethodPost, "/networks/%s/disconnect", nil, nil, networkName)
if err != nil {
return err
}
defer response.Body.Close()
return response.Process(nil)
}
// Connect adds a container to a network
func Connect(ctx context.Context, networkName string, containerNameOrID string, options *types.PerNetworkOptions) error {
if options == nil {
options = new(types.PerNetworkOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return err
}
// Connect sends everything in body
connect := entities.NetworkConnectOptions{
Container: containerNameOrID,
PerNetworkOptions: *options,
}
body, err := jsoniter.MarshalToString(connect)
if err != nil {
return err
}
stringReader := strings.NewReader(body)
response, err := conn.DoRequest(ctx, stringReader, http.MethodPost, "/networks/%s/connect", nil, nil, networkName)
if err != nil {
return err
}
defer response.Body.Close()
return response.Process(nil)
}
// Exists returns true if a given network exists
func Exists(ctx context.Context, nameOrID string, options *ExistsOptions) (bool, error) {
conn, err := bindings.GetClient(ctx)
if err != nil {
return false, err
}
response, err := conn.DoRequest(ctx, nil, http.MethodGet, "/networks/%s/exists", nil, nil, nameOrID)
if err != nil {
return false, err
}
defer response.Body.Close()
return response.IsSuccess(), nil
}
// Prune removes unused CNI networks
func Prune(ctx context.Context, options *PruneOptions) ([]*entities.NetworkPruneReport, error) {
if options == nil {
options = new(PruneOptions)
}
params, err := options.ToParams()
if err != nil {
return nil, err
}
var (
prunedNetworks []*entities.NetworkPruneReport
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(ctx, nil, http.MethodPost, "/networks/prune", params, nil)
if err != nil {
return nil, err
}
defer response.Body.Close()
return prunedNetworks, response.Process(&prunedNetworks)
}
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