a551492e99
* Update hcsshim to v0.8.14 * Update go-winio to v0.4.16 This brings in some vhd package changes from winio, and the compute storage api bindings for the shim. This is to facilitate some coming functionality for the windows snapshotter as well as possibly for future work down the line for the windows differ. Signed-off-by: Daniel Canter <dcanter@microsoft.com>
112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
package hns
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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"strings"
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)
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type namespaceRequest struct {
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IsDefault bool `json:",omitempty"`
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}
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type namespaceEndpointRequest struct {
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ID string `json:"Id"`
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}
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type NamespaceResource struct {
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Type string
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Data json.RawMessage
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}
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type namespaceResourceRequest struct {
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Type string
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Data interface{}
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}
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type Namespace struct {
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ID string
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IsDefault bool `json:",omitempty"`
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ResourceList []NamespaceResource `json:",omitempty"`
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CompartmentId uint32 `json:",omitempty"`
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}
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func issueNamespaceRequest(id *string, method, subpath string, request interface{}) (*Namespace, error) {
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var err error
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hnspath := "/namespaces/"
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if id != nil {
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hnspath = path.Join(hnspath, *id)
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}
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if subpath != "" {
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hnspath = path.Join(hnspath, subpath)
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}
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var reqJSON []byte
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if request != nil {
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if reqJSON, err = json.Marshal(request); err != nil {
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return nil, err
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}
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}
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var ns Namespace
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err = hnsCall(method, hnspath, string(reqJSON), &ns)
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if err != nil {
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if strings.Contains(err.Error(), "Element not found.") {
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return nil, os.ErrNotExist
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}
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return nil, fmt.Errorf("%s %s: %s", method, hnspath, err)
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}
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return &ns, err
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}
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func CreateNamespace() (string, error) {
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req := namespaceRequest{}
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ns, err := issueNamespaceRequest(nil, "POST", "", &req)
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if err != nil {
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return "", err
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}
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return ns.ID, nil
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}
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func RemoveNamespace(id string) error {
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_, err := issueNamespaceRequest(&id, "DELETE", "", nil)
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return err
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}
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func GetNamespaceEndpoints(id string) ([]string, error) {
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ns, err := issueNamespaceRequest(&id, "GET", "", nil)
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if err != nil {
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return nil, err
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}
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var endpoints []string
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for _, rsrc := range ns.ResourceList {
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if rsrc.Type == "Endpoint" {
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var endpoint namespaceEndpointRequest
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err = json.Unmarshal(rsrc.Data, &endpoint)
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if err != nil {
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return nil, fmt.Errorf("unmarshal endpoint: %s", err)
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}
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endpoints = append(endpoints, endpoint.ID)
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}
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}
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return endpoints, nil
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}
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func AddNamespaceEndpoint(id string, endpointID string) error {
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resource := namespaceResourceRequest{
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Type: "Endpoint",
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Data: namespaceEndpointRequest{endpointID},
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}
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_, err := issueNamespaceRequest(&id, "POST", "addresource", &resource)
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return err
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}
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func RemoveNamespaceEndpoint(id string, endpointID string) error {
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resource := namespaceResourceRequest{
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Type: "Endpoint",
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Data: namespaceEndpointRequest{endpointID},
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}
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_, err := issueNamespaceRequest(&id, "POST", "removeresource", &resource)
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return err
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}
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