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package network
import (
"context"
"net/http"
"net/url"
"strings"
"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, options *CreateOptions) (*entities.NetworkCreateReport, error) {
var report entities.NetworkCreateReport
if options == nil {
options = new(CreateOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
params := url.Values{}
if options.Name != nil {
params.Set("name", options.GetName())
}
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, nil)
if err != nil {
return nil, err
}
return &report, response.Process(&report)
}
// Inspect returns low level information about a CNI network configuration
func Inspect(ctx context.Context, nameOrID string, options *InspectOptions) ([]entities.NetworkInspectReport, error) {
var reports []entities.NetworkInspectReport
reports = append(reports, entities.NetworkInspectReport{})
if options == nil {
options = new(InspectOptions)
}
_ = options
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodGet, "/networks/%s/json", nil, nil, nameOrID)
if err != nil {
return nil, err
}
return reports, response.Process(&reports[0])
}
// 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(nil, http.MethodDelete, "/networks/%s", params, nil, 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, options *ListOptions) ([]*entities.NetworkListReport, error) {
var (
netList []*entities.NetworkListReport
)
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(nil, http.MethodGet, "/networks/json", params, nil)
if err != nil {
return netList, err
}
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
}
// No params are used for disconnect
params := url.Values{}
// 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(stringReader, http.MethodPost, "/networks/%s/disconnect", params, nil, networkName)
if err != nil {
return err
}
return response.Process(nil)
}
// Connect adds a container to a network
func Connect(ctx context.Context, networkName string, ContainerNameOrID string, options *ConnectOptions) error {
if options == nil {
options = new(ConnectOptions)
}
conn, err := bindings.GetClient(ctx)
if err != nil {
return err
}
// No params are used in connect
params := url.Values{}
// Connect sends everything in body
connect := struct {
Container string
Aliases []string
}{
Container: ContainerNameOrID,
}
if aliases := options.GetAliases(); options.Changed("Aliases") {
connect.Aliases = aliases
}
body, err := jsoniter.MarshalToString(connect)
if err != nil {
return err
}
stringReader := strings.NewReader(body)
response, err := conn.DoRequest(stringReader, http.MethodPost, "/networks/%s/connect", params, nil, networkName)
if err != nil {
return err
}
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(nil, http.MethodGet, "/networks/%s/exists", nil, nil, nameOrID)
if err != nil {
return false, err
}
return response.IsSuccess(), nil
}
// Prune removes unused CNI networks
func Prune(ctx context.Context, options *PruneOptions) ([]*entities.NetworkPruneReport, error) {
// TODO Filters is not implemented
var (
prunedNetworks []*entities.NetworkPruneReport
)
conn, err := bindings.GetClient(ctx)
if err != nil {
return nil, err
}
response, err := conn.DoRequest(nil, http.MethodPost, "/networks/prune", nil, nil)
if err != nil {
return nil, err
}
return prunedNetworks, response.Process(&prunedNetworks)
}
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