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259 lines
7.4 KiB
Go
259 lines
7.4 KiB
Go
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// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/olivere/elastic/v7/uritemplates"
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)
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// SnapshotStatusService returns information about the status of a snapshot.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.5/modules-snapshots.html
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// for details.
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type SnapshotStatusService struct {
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client *Client
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pretty *bool // pretty format the returned JSON response
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human *bool // return human readable values for statistics
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errorTrace *bool // include the stack trace of returned errors
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filterPath []string // list of filters used to reduce the response
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headers http.Header // custom request-level HTTP headers
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repository string
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snapshot []string
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masterTimeout string
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ignoreUnavailable *bool
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}
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// NewSnapshotStatusService creates a new SnapshotStatusService.
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func NewSnapshotStatusService(client *Client) *SnapshotStatusService {
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return &SnapshotStatusService{
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client: client,
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}
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}
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// Pretty tells Elasticsearch whether to return a formatted JSON response.
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func (s *SnapshotStatusService) Pretty(pretty bool) *SnapshotStatusService {
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s.pretty = &pretty
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return s
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}
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// Human specifies whether human readable values should be returned in
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// the JSON response, e.g. "7.5mb".
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func (s *SnapshotStatusService) Human(human bool) *SnapshotStatusService {
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s.human = &human
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return s
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}
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// ErrorTrace specifies whether to include the stack trace of returned errors.
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func (s *SnapshotStatusService) ErrorTrace(errorTrace bool) *SnapshotStatusService {
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s.errorTrace = &errorTrace
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return s
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}
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// FilterPath specifies a list of filters used to reduce the response.
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func (s *SnapshotStatusService) FilterPath(filterPath ...string) *SnapshotStatusService {
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s.filterPath = filterPath
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return s
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}
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// Header adds a header to the request.
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func (s *SnapshotStatusService) Header(name string, value string) *SnapshotStatusService {
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if s.headers == nil {
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s.headers = http.Header{}
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}
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s.headers.Add(name, value)
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return s
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}
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// Headers specifies the headers of the request.
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func (s *SnapshotStatusService) Headers(headers http.Header) *SnapshotStatusService {
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s.headers = headers
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return s
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}
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// Repository is the repository name.
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func (s *SnapshotStatusService) Repository(repository string) *SnapshotStatusService {
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s.repository = repository
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return s
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}
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// Snapshot is the list of snapshot names. If not set, defaults to all snapshots.
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func (s *SnapshotStatusService) Snapshot(snapshots ...string) *SnapshotStatusService {
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s.snapshot = append(s.snapshot, snapshots...)
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return s
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}
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// MasterTimeout specifies an explicit operation timeout for connection to master node.
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func (s *SnapshotStatusService) MasterTimeout(masterTimeout string) *SnapshotStatusService {
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s.masterTimeout = masterTimeout
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return s
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}
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// buildURL builds the URL for the operation.
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func (s *SnapshotStatusService) buildURL() (string, url.Values, error) {
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var err error
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var path string
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if s.repository != "" {
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if len(s.snapshot) > 0 {
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path, err = uritemplates.Expand("/_snapshot/{repository}/{snapshot}/_status", map[string]string{
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"repository": s.repository,
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"snapshot": strings.Join(s.snapshot, ","),
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})
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} else {
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path, err = uritemplates.Expand("/_snapshot/{repository}/_status", map[string]string{
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"repository": s.repository,
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})
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}
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} else {
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path, err = uritemplates.Expand("/_snapshot/_status", nil)
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}
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if err != nil {
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return "", url.Values{}, err
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}
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// Add query string parameters
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params := url.Values{}
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if v := s.pretty; v != nil {
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params.Set("pretty", fmt.Sprint(*v))
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}
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if v := s.human; v != nil {
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params.Set("human", fmt.Sprint(*v))
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}
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if v := s.errorTrace; v != nil {
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params.Set("error_trace", fmt.Sprint(*v))
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}
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if len(s.filterPath) > 0 {
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params.Set("filter_path", strings.Join(s.filterPath, ","))
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}
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if s.masterTimeout != "" {
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params.Set("master_timeout", s.masterTimeout)
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}
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if v := s.ignoreUnavailable; v != nil {
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params.Set("ignore_unavailable", fmt.Sprint(*v))
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}
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return path, params, nil
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}
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// Validate checks if the operation is valid.
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//
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// Validation only fails if snapshot names were provided but no repository was
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// provided.
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func (s *SnapshotStatusService) Validate() error {
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if len(s.snapshot) > 0 && s.repository == "" {
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return fmt.Errorf("snapshots were specified but repository is missing")
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}
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return nil
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}
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// Do executes the operation.
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func (s *SnapshotStatusService) Do(ctx context.Context) (*SnapshotStatusResponse, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return nil, err
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}
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// Get URL for request
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path, params, err := s.buildURL()
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if err != nil {
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return nil, err
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "GET",
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Path: path,
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Params: params,
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Headers: s.headers,
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})
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if err != nil {
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return nil, err
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}
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// Return operation response
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ret := new(SnapshotStatusResponse)
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if err := json.Unmarshal(res.Body, ret); err != nil {
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return nil, err
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}
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return ret, nil
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}
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type SnapshotStatusResponse struct {
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Snapshots []SnapshotStatus `json:"snapshots"`
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}
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type SnapshotStatus struct {
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Snapshot string `json:"snapshot"`
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Repository string `json:"repository"`
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UUID string `json:"uuid"`
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State string `json:"state"`
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IncludeGlobalState bool `json:"include_global_state"`
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ShardsStats SnapshotShardsStats `json:"shards_stats"`
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Stats SnapshotStats `json:"stats"`
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Indices map[string]SnapshotIndexStatus `json:"indices"`
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}
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type SnapshotShardsStats struct {
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Initializing int `json:"initializing"`
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Started int `json:"started"`
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Finalizing int `json:"finalizing"`
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Done int `json:"done"`
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Failed int `json:"failed"`
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Total int `json:"total"`
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}
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type SnapshotStats struct {
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Incremental struct {
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FileCount int `json:"file_count"`
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Size string `json:"size"`
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SizeInBytes int64 `json:"size_in_bytes"`
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} `json:"incremental"`
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Processed struct {
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FileCount int `json:"file_count"`
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Size string `json:"size"`
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SizeInBytes int64 `json:"size_in_bytes"`
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} `json:"processed"`
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Total struct {
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FileCount int `json:"file_count"`
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Size string `json:"size"`
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SizeInBytes int64 `json:"size_in_bytes"`
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} `json:"total"`
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StartTime string `json:"start_time"`
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StartTimeInMillis int64 `json:"start_time_in_millis"`
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Time string `json:"time"`
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TimeInMillis int64 `json:"time_in_millis"`
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NumberOfFiles int `json:"number_of_files"`
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ProcessedFiles int `json:"processed_files"`
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TotalSize string `json:"total_size"`
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TotalSizeInBytes int64 `json:"total_size_in_bytes"`
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}
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type SnapshotIndexStatus struct {
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ShardsStats SnapshotShardsStats `json:"shards_stats"`
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Stats SnapshotStats `json:"stats"`
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Shards map[string]SnapshotIndexShardStatus `json:"shards"`
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}
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type SnapshotIndexShardStatus struct {
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Stage string `json:"stage"` // initializing, started, finalize, done, or failed
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Stats SnapshotStats `json:"stats"`
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Node string `json:"node"`
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Reason string `json:"reason"` // reason for failure
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}
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