mirror of
https://github.com/letic/terraform-provider-google.git
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129 lines
3.4 KiB
Go
129 lines
3.4 KiB
Go
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// Copyright 2015 go-dockerclient authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package docker
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import (
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"encoding/json"
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"errors"
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"net/http"
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)
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var (
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// ErrNoSuchVolume is the error returned when the volume does not exist.
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ErrNoSuchVolume = errors.New("no such volume")
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// ErrVolumeInUse is the error returned when the volume requested to be removed is still in use.
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ErrVolumeInUse = errors.New("volume in use and cannot be removed")
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)
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// Volume represents a volume.
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//
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// See https://goo.gl/FZA4BK for more details.
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type Volume struct {
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Name string `json:"Name" yaml:"Name"`
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Driver string `json:"Driver,omitempty" yaml:"Driver,omitempty"`
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Mountpoint string `json:"Mountpoint,omitempty" yaml:"Mountpoint,omitempty"`
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Labels map[string]string `json:"Labels,omitempty" yaml:"Labels,omitempty"`
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}
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// ListVolumesOptions specify parameters to the ListVolumes function.
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//
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// See https://goo.gl/FZA4BK for more details.
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type ListVolumesOptions struct {
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Filters map[string][]string
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}
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// ListVolumes returns a list of available volumes in the server.
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//
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// See https://goo.gl/FZA4BK for more details.
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func (c *Client) ListVolumes(opts ListVolumesOptions) ([]Volume, error) {
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resp, err := c.do("GET", "/volumes?"+queryString(opts), doOptions{})
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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m := make(map[string]interface{})
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if err := json.NewDecoder(resp.Body).Decode(&m); err != nil {
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return nil, err
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}
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var volumes []Volume
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volumesJSON, ok := m["Volumes"]
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if !ok {
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return volumes, nil
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}
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data, err := json.Marshal(volumesJSON)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(data, &volumes); err != nil {
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return nil, err
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}
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return volumes, nil
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}
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// CreateVolumeOptions specify parameters to the CreateVolume function.
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//
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// See https://goo.gl/pBUbZ9 for more details.
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type CreateVolumeOptions struct {
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Name string
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Driver string
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DriverOpts map[string]string
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}
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// CreateVolume creates a volume on the server.
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//
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// See https://goo.gl/pBUbZ9 for more details.
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func (c *Client) CreateVolume(opts CreateVolumeOptions) (*Volume, error) {
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resp, err := c.do("POST", "/volumes/create", doOptions{data: opts})
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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var volume Volume
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if err := json.NewDecoder(resp.Body).Decode(&volume); err != nil {
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return nil, err
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}
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return &volume, nil
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}
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// InspectVolume returns a volume by its name.
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//
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// See https://goo.gl/0g9A6i for more details.
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func (c *Client) InspectVolume(name string) (*Volume, error) {
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resp, err := c.do("GET", "/volumes/"+name, doOptions{})
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if err != nil {
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if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound {
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return nil, ErrNoSuchVolume
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}
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return nil, err
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}
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defer resp.Body.Close()
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var volume Volume
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if err := json.NewDecoder(resp.Body).Decode(&volume); err != nil {
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return nil, err
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}
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return &volume, nil
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}
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// RemoveVolume removes a volume by its name.
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//
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// See https://goo.gl/79GNQz for more details.
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func (c *Client) RemoveVolume(name string) error {
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resp, err := c.do("DELETE", "/volumes/"+name, doOptions{})
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if err != nil {
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if e, ok := err.(*Error); ok {
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if e.Status == http.StatusNotFound {
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return ErrNoSuchVolume
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}
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if e.Status == http.StatusConflict {
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return ErrVolumeInUse
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}
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}
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return nil
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}
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defer resp.Body.Close()
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return nil
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}
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