mirror of https://github.com/k3s-io/k3s
125 lines
3.0 KiB
Go
125 lines
3.0 KiB
Go
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/*
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Copyright (c) 2018 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package internal
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import (
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"bytes"
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"encoding/json"
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"io"
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"net/http"
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"net/url"
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"github.com/vmware/govmomi/vim25/mo"
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"github.com/vmware/govmomi/vim25/types"
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)
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const (
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Path = "/rest/com/vmware"
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SessionPath = "/cis/session"
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CategoryPath = "/cis/tagging/category"
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TagPath = "/cis/tagging/tag"
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AssociationPath = "/cis/tagging/tag-association"
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SessionCookieName = "vmware-api-session-id"
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)
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// AssociatedObject is the same structure as types.ManagedObjectReference,
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// just with a different field name (ID instead of Value).
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// In the API we use mo.Reference, this type is only used for wire transfer.
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type AssociatedObject struct {
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Type string `json:"type"`
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Value string `json:"id"`
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}
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// Reference implements mo.Reference
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func (o AssociatedObject) Reference() types.ManagedObjectReference {
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return types.ManagedObjectReference(o)
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}
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// Association for tag-association requests.
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type Association struct {
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ObjectID *AssociatedObject `json:"object_id,omitempty"`
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}
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// NewAssociation returns an Association, converting ref to an AssociatedObject.
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func NewAssociation(ref mo.Reference) Association {
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obj := AssociatedObject(ref.Reference())
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return Association{
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ObjectID: &obj,
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}
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}
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type CloneURL interface {
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URL() *url.URL
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}
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// Resource wraps url.URL with helpers
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type Resource struct {
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u *url.URL
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}
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func URL(c CloneURL, path string) *Resource {
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r := &Resource{u: c.URL()}
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r.u.Path = Path + path
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return r
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}
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// WithID appends id to the URL.Path
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func (r *Resource) WithID(id string) *Resource {
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r.u.Path += "/id:" + id
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return r
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}
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// WithAction sets adds action to the URL.RawQuery
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func (r *Resource) WithAction(action string) *Resource {
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r.u.RawQuery = url.Values{
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"~action": []string{action},
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}.Encode()
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return r
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}
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// Request returns a new http.Request for the given method.
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// An optional body can be provided for POST and PATCH methods.
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func (r *Resource) Request(method string, body ...interface{}) *http.Request {
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rdr := io.MultiReader() // empty body by default
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if len(body) != 0 {
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rdr = encode(body[0])
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}
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req, err := http.NewRequest(method, r.u.String(), rdr)
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if err != nil {
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panic(err)
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}
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return req
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}
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type errorReader struct {
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e error
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}
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func (e errorReader) Read([]byte) (int, error) {
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return -1, e.e
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}
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// encode body as JSON, deferring any errors until io.Reader is used.
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func encode(body interface{}) io.Reader {
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var b bytes.Buffer
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err := json.NewEncoder(&b).Encode(body)
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if err != nil {
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return errorReader{err}
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}
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return &b
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}
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