mirror of https://github.com/go-gitea/gitea.git
295 lines
8.3 KiB
Go
295 lines
8.3 KiB
Go
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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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// SnapshotRestoreService restores a snapshot from a snapshot repository.
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//
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// It is documented at
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// https://www.elastic.co/guide/en/elasticsearch/reference/7.1/modules-snapshots.html#_restore.
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type SnapshotRestoreService 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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waitForCompletion *bool
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ignoreUnavailable *bool
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partial *bool
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includeAliases *bool
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includeGlobalState *bool
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bodyString string
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renamePattern string
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renameReplacement string
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indices []string
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indexSettings map[string]interface{}
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}
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// NewSnapshotCreateService creates a new SnapshotRestoreService.
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func NewSnapshotRestoreService(client *Client) *SnapshotRestoreService {
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return &SnapshotRestoreService{
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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 *SnapshotRestoreService) Pretty(pretty bool) *SnapshotRestoreService {
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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 *SnapshotRestoreService) Human(human bool) *SnapshotRestoreService {
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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 *SnapshotRestoreService) ErrorTrace(errorTrace bool) *SnapshotRestoreService {
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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 *SnapshotRestoreService) FilterPath(filterPath ...string) *SnapshotRestoreService {
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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 *SnapshotRestoreService) Header(name string, value string) *SnapshotRestoreService {
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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 *SnapshotRestoreService) Headers(headers http.Header) *SnapshotRestoreService {
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s.headers = headers
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return s
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}
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// Repository name.
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func (s *SnapshotRestoreService) Repository(repository string) *SnapshotRestoreService {
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s.repository = repository
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return s
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}
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// Snapshot name.
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func (s *SnapshotRestoreService) Snapshot(snapshot string) *SnapshotRestoreService {
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s.snapshot = snapshot
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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 *SnapshotRestoreService) MasterTimeout(masterTimeout string) *SnapshotRestoreService {
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s.masterTimeout = masterTimeout
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return s
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}
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// WaitForCompletion indicates whether this request should wait until the operation has
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// completed before returning.
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func (s *SnapshotRestoreService) WaitForCompletion(waitForCompletion bool) *SnapshotRestoreService {
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s.waitForCompletion = &waitForCompletion
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return s
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}
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// Indices sets the name of the indices that should be restored from the snapshot.
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func (s *SnapshotRestoreService) Indices(indices ...string) *SnapshotRestoreService {
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s.indices = indices
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return s
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}
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// IncludeGlobalState allows the global cluster state to be restored, defaults to false.
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func (s *SnapshotRestoreService) IncludeGlobalState(includeGlobalState bool) *SnapshotRestoreService {
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s.includeGlobalState = &includeGlobalState
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return s
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}
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// RenamePattern helps rename indices on restore using regular expressions.
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func (s *SnapshotRestoreService) RenamePattern(renamePattern string) *SnapshotRestoreService {
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s.renamePattern = renamePattern
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return s
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}
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// RenameReplacement as RenamePattern, helps rename indices on restore using regular expressions.
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func (s *SnapshotRestoreService) RenameReplacement(renameReplacement string) *SnapshotRestoreService {
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s.renameReplacement = renameReplacement
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return s
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}
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// Partial indicates whether to restore indices that where partially snapshoted, defaults to false.
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func (s *SnapshotRestoreService) Partial(partial bool) *SnapshotRestoreService {
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s.partial = &partial
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return s
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}
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// BodyString allows the user to specify the body of the HTTP request manually.
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func (s *SnapshotRestoreService) BodyString(body string) *SnapshotRestoreService {
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s.bodyString = body
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return s
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}
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// IndexSettings sets the settings to be overwritten during the restore process
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func (s *SnapshotRestoreService) IndexSettings(indexSettings map[string]interface{}) *SnapshotRestoreService {
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s.indexSettings = indexSettings
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return s
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}
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// IncludeAliases flags whether indices should be restored with their respective aliases,
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// defaults to false.
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func (s *SnapshotRestoreService) IncludeAliases(includeAliases bool) *SnapshotRestoreService {
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s.includeAliases = &includeAliases
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return s
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}
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// IgnoreUnavailable specifies whether to ignore unavailable snapshots, defaults to false.
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func (s *SnapshotRestoreService) IgnoreUnavailable(ignoreUnavailable bool) *SnapshotRestoreService {
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s.ignoreUnavailable = &ignoreUnavailable
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return s
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}
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// Do executes the operation.
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func (s *SnapshotRestoreService) Do(ctx context.Context) (*SnapshotRestoreResponse, error) {
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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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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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var body interface{}
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if len(s.bodyString) > 0 {
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body = s.bodyString
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} else {
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body = s.buildBody()
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}
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "POST",
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Path: path,
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Params: params,
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Body: body,
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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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ret := new(SnapshotRestoreResponse)
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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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// Validate checks if the operation is valid.
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func (s *SnapshotRestoreService) Validate() error {
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var invalid []string
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if s.repository == "" {
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invalid = append(invalid, "Repository")
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}
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if s.snapshot == "" {
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invalid = append(invalid, "Snapshot")
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}
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if len(invalid) > 0 {
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return fmt.Errorf("missing required fields: %v", invalid)
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}
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return nil
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}
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func (s *SnapshotRestoreService) buildURL() (string, url.Values, error) {
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path, err := uritemplates.Expand("/_snapshot/{repository}/{snapshot}/_restore", map[string]string{
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"snapshot": s.snapshot,
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"repository": s.repository,
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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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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.waitForCompletion; v != nil {
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params.Set("wait_for_completion", fmt.Sprint(*v))
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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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func (s *SnapshotRestoreService) buildBody() interface{} {
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body := map[string]interface{}{}
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if s.includeGlobalState != nil {
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body["include_global_state"] = *s.includeGlobalState
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}
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if s.partial != nil {
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body["partial"] = *s.partial
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}
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if s.includeAliases != nil {
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body["include_aliases"] = *s.includeAliases
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}
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if len(s.indices) > 0 {
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body["indices"] = strings.Join(s.indices, ",")
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}
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if len(s.renamePattern) > 0 {
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body["rename_pattern"] = s.renamePattern
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}
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if len(s.renamePattern) > 0 {
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body["rename_replacement"] = s.renameReplacement
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}
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if len(s.indexSettings) > 0 {
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body["index_settings"] = s.indexSettings
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}
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return body
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}
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// SnapshotRestoreResponse represents the response for SnapshotRestoreService.Do
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type SnapshotRestoreResponse struct {
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// Accepted indicates whether the request was accepted by Elasticsearch.
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Accepted *bool `json:"accepted"`
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// Snapshot information.
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Snapshot *RestoreInfo `json:"snapshot"`
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}
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// RestoreInfo represents information about the restored snapshot.
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type RestoreInfo struct {
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Snapshot string `json:"snapshot"`
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Indices []string `json:"indices"`
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Shards ShardsInfo `json:"shards"`
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}
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