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snapshot_get.go
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snapshot_get.go
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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
import (
"context"
"encoding/json"
"fmt"
"net/url"
"strings"
"time"
"github.com/olivere/elastic/uritemplates"
)
// SnapshotGetService lists the snapshots on a repository
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.2/modules-snapshots.html
// for details.
type SnapshotGetService struct {
client *Client
repository string
snapshot []string
masterTimeout string
ignoreUnavailable *bool
verbose *bool
}
// NewSnapshotGetService creates a new SnapshotGetService.
func NewSnapshotGetService(client *Client) *SnapshotGetService {
return &SnapshotGetService{
client: client,
}
}
// Repository is the repository name.
func (s *SnapshotGetService) Repository(repository string) *SnapshotGetService {
s.repository = repository
return s
}
// Snapshot is the list of snapshot names. If not set, defaults to all snapshots.
func (s *SnapshotGetService) Snapshot(snapshots ...string) *SnapshotGetService {
s.snapshot = append(s.snapshot, snapshots...)
return s
}
// MasterTimeout specifies an explicit operation timeout for connection to master node.
func (s *SnapshotGetService) MasterTimeout(masterTimeout string) *SnapshotGetService {
s.masterTimeout = masterTimeout
return s
}
// IgnoreUnavailable specifies whether to ignore unavailable snapshots, defaults to false
func (s *SnapshotGetService) IgnoreUnavailable(ignoreUnavailable bool) *SnapshotGetService {
s.ignoreUnavailable = &ignoreUnavailable
return s
}
// Verbose specifies whether to show verbose snapshot info or only show the basic info found in the repository index blob
func (s *SnapshotGetService) Verbose(verbose bool) *SnapshotGetService {
s.verbose = &verbose
return s
}
// buildURL builds the URL for the operation.
func (s *SnapshotGetService) buildURL() (string, url.Values, error) {
// Build URL
var err error
var path string
if len(s.snapshot) > 0 {
path, err = uritemplates.Expand("/_snapshot/{repository}/{snapshot}", map[string]string{
"repository": s.repository,
"snapshot": strings.Join(s.snapshot, ","),
})
} else {
path, err = uritemplates.Expand("/_snapshot/{repository}/_all", map[string]string{
"repository": s.repository,
})
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.masterTimeout != "" {
params.Set("master_timeout", s.masterTimeout)
}
if s.ignoreUnavailable != nil {
params.Set("ignore_unavailable", fmt.Sprint(*s.ignoreUnavailable))
}
if s.verbose != nil {
params.Set("verbose", fmt.Sprint(*s.verbose))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *SnapshotGetService) Validate() error {
var invalid []string
if s.repository == "" {
invalid = append(invalid, "Repository")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// Do executes the operation.
func (s *SnapshotGetService) Do(ctx context.Context) (*SnapshotGetResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: "GET",
Path: path,
Params: params,
})
if err != nil {
return nil, err
}
// Return operation response
ret := new(SnapshotGetResponse)
if err := json.Unmarshal(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// SnapshotGetResponse is the response of SnapshotGetService.Do.
type SnapshotGetResponse struct {
Snapshots []*Snapshot `json:"snapshots"`
}
// Snapshot contains all information about a single snapshot
type Snapshot struct {
Snapshot string `json:"snapshot"`
UUID string `json:"uuid"`
VersionID int `json:"version_id"`
Version string `json:"version"`
Indices []string `json:"indices"`
State string `json:"state"`
Reason string `json:"reason"`
StartTime time.Time `json:"start_time"`
StartTimeInMillis int64 `json:"start_time_in_millis"`
EndTime time.Time `json:"end_time"`
EndTimeInMillis int64 `json:"end_time_in_millis"`
DurationInMillis int64 `json:"duration_in_millis"`
Failures []SnapshotShardFailure `json:"failures"`
Shards *ShardsInfo `json:"shards"`
}