mirror of https://github.com/hashicorp/consul
147 lines
3.5 KiB
Go
147 lines
3.5 KiB
Go
/*
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Copyright (c) 2015-2016 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 vim25
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import (
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"context"
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"encoding/json"
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"strings"
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"github.com/vmware/govmomi/vim25/methods"
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"github.com/vmware/govmomi/vim25/soap"
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"github.com/vmware/govmomi/vim25/types"
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)
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const (
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Namespace = "vim25"
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Version = "6.7"
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Path = "/sdk"
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)
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var (
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ServiceInstance = types.ManagedObjectReference{
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Type: "ServiceInstance",
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Value: "ServiceInstance",
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}
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)
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// Client is a tiny wrapper around the vim25/soap Client that stores session
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// specific state (i.e. state that only needs to be retrieved once after the
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// client has been created). This means the client can be reused after
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// serialization without performing additional requests for initialization.
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type Client struct {
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*soap.Client
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ServiceContent types.ServiceContent
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// RoundTripper is a separate field such that the client's implementation of
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// the RoundTripper interface can be wrapped by separate implementations for
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// extra functionality (for example, reauthentication on session timeout).
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RoundTripper soap.RoundTripper
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}
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// NewClient creates and returns a new client wirh the ServiceContent field
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// filled in.
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func NewClient(ctx context.Context, rt soap.RoundTripper) (*Client, error) {
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c := Client{
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RoundTripper: rt,
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}
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// Set client if it happens to be a soap.Client
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if sc, ok := rt.(*soap.Client); ok {
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c.Client = sc
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if c.Namespace == "" {
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c.Namespace = "urn:" + Namespace
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} else if strings.Index(c.Namespace, ":") < 0 {
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c.Namespace = "urn:" + c.Namespace // ensure valid URI format
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}
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if c.Version == "" {
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c.Version = Version
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}
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}
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var err error
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c.ServiceContent, err = methods.GetServiceContent(ctx, rt)
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if err != nil {
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return nil, err
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}
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return &c, nil
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}
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// RoundTrip dispatches to the RoundTripper field.
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func (c *Client) RoundTrip(ctx context.Context, req, res soap.HasFault) error {
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return c.RoundTripper.RoundTrip(ctx, req, res)
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}
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type marshaledClient struct {
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SoapClient *soap.Client
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ServiceContent types.ServiceContent
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}
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func (c *Client) MarshalJSON() ([]byte, error) {
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m := marshaledClient{
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SoapClient: c.Client,
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ServiceContent: c.ServiceContent,
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}
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return json.Marshal(m)
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}
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func (c *Client) UnmarshalJSON(b []byte) error {
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var m marshaledClient
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err := json.Unmarshal(b, &m)
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if err != nil {
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return err
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}
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*c = Client{
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Client: m.SoapClient,
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ServiceContent: m.ServiceContent,
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RoundTripper: m.SoapClient,
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}
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return nil
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}
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// Valid returns whether or not the client is valid and ready for use.
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// This should be called after unmarshalling the client.
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func (c *Client) Valid() bool {
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if c == nil {
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return false
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}
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if c.Client == nil {
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return false
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}
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// Use arbitrary pointer field in the service content.
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// Doesn't matter which one, as long as it is populated by default.
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if c.ServiceContent.SessionManager == nil {
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return false
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}
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return true
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}
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// IsVC returns true if we are connected to a vCenter
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func (c *Client) IsVC() bool {
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return c.ServiceContent.About.ApiType == "VirtualCenter"
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}
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