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gitea/vendor/github.com/olivere/elastic/v7/errors.go
6543 12a1f914f4
Vendor Update Go Libs (#13166)
* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1

* github.com/blevesearch/bleve v1.0.10 -> v1.0.12

* editorconfig-core-go v2.1.1 -> v2.3.7

* github.com/gliderlabs/ssh v0.2.2 -> v0.3.1

* migrate editorconfig.ParseBytes to Parse

* github.com/shurcooL/vfsgen to 0d455de96546

* github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0

* github.com/google/uuid v1.1.1 -> v1.1.2

* github.com/huandu/xstrings v1.3.0 -> v1.3.2

* github.com/klauspost/compress v1.10.11 -> v1.11.1

* github.com/markbates/goth v1.61.2 -> v1.65.0

* github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4

* github.com/mholt/archiver v3.3.0 -> v3.3.2

* github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4

* github.com/minio/minio-go v7.0.4 -> v7.0.5

* github.com/olivere/elastic v7.0.9 -> v7.0.20

* github.com/urfave/cli v1.20.0 -> v1.22.4

* github.com/prometheus/client_golang v1.1.0 -> v1.8.0

* github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1

* mvdan.cc/xurls v2.1.0 -> v2.2.0

Co-authored-by: Lauris BH <lauris@nix.lv>
2020-10-16 01:06:27 -04:00

223 lines
7.9 KiB
Go
Vendored

// 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"
"io/ioutil"
"net/http"
"net/url"
"github.com/pkg/errors"
)
// checkResponse will return an error if the request/response indicates
// an error returned from Elasticsearch.
//
// HTTP status codes between in the range [200..299] are considered successful.
// All other errors are considered errors except they are specified in
// ignoreErrors. This is necessary because for some services, HTTP status 404
// is a valid response from Elasticsearch (e.g. the Exists service).
//
// The func tries to parse error details as returned from Elasticsearch
// and encapsulates them in type elastic.Error.
func checkResponse(req *http.Request, res *http.Response, ignoreErrors ...int) error {
// 200-299 are valid status codes
if res.StatusCode >= 200 && res.StatusCode <= 299 {
return nil
}
// Ignore certain errors?
for _, code := range ignoreErrors {
if code == res.StatusCode {
return nil
}
}
return createResponseError(res)
}
// createResponseError creates an Error structure from the HTTP response,
// its status code and the error information sent by Elasticsearch.
func createResponseError(res *http.Response) error {
if res.Body == nil {
return &Error{Status: res.StatusCode}
}
data, err := ioutil.ReadAll(res.Body)
if err != nil {
return &Error{Status: res.StatusCode}
}
errReply := new(Error)
err = json.Unmarshal(data, errReply)
if err != nil {
return &Error{Status: res.StatusCode}
}
if errReply != nil {
if errReply.Status == 0 {
errReply.Status = res.StatusCode
}
return errReply
}
return &Error{Status: res.StatusCode}
}
// Error encapsulates error details as returned from Elasticsearch.
type Error struct {
Status int `json:"status"`
Details *ErrorDetails `json:"error,omitempty"`
}
// ErrorDetails encapsulate error details from Elasticsearch.
// It is used in e.g. elastic.Error and elastic.BulkResponseItem.
type ErrorDetails struct {
Type string `json:"type"`
Reason string `json:"reason"`
ResourceType string `json:"resource.type,omitempty"`
ResourceId string `json:"resource.id,omitempty"`
Index string `json:"index,omitempty"`
Phase string `json:"phase,omitempty"`
Grouped bool `json:"grouped,omitempty"`
CausedBy map[string]interface{} `json:"caused_by,omitempty"`
RootCause []*ErrorDetails `json:"root_cause,omitempty"`
FailedShards []map[string]interface{} `json:"failed_shards,omitempty"`
// ScriptException adds the information in the following block.
ScriptStack []string `json:"script_stack,omitempty"` // from ScriptException
Script string `json:"script,omitempty"` // from ScriptException
Lang string `json:"lang,omitempty"` // from ScriptException
Position *ScriptErrorPosition `json:"position,omitempty"` // from ScriptException (7.7+)
}
// ScriptErrorPosition specifies the position of the error
// in a script. It is used in ErrorDetails for scripting errors.
type ScriptErrorPosition struct {
Offset int `json:"offset"`
Start int `json:"start"`
End int `json:"end"`
}
// Error returns a string representation of the error.
func (e *Error) Error() string {
if e.Details != nil && e.Details.Reason != "" {
return fmt.Sprintf("elastic: Error %d (%s): %s [type=%s]", e.Status, http.StatusText(e.Status), e.Details.Reason, e.Details.Type)
}
return fmt.Sprintf("elastic: Error %d (%s)", e.Status, http.StatusText(e.Status))
}
// ErrorReason returns the reason of an error that Elasticsearch reported,
// if err is of kind Error and has ErrorDetails with a Reason. Any other
// value of err will return an empty string.
func ErrorReason(err error) string {
if err == nil {
return ""
}
e, ok := err.(*Error)
if !ok || e == nil || e.Details == nil {
return ""
}
return e.Details.Reason
}
// IsContextErr returns true if the error is from a context that was canceled or deadline exceeded
func IsContextErr(err error) bool {
if err == context.Canceled || err == context.DeadlineExceeded {
return true
}
// This happens e.g. on redirect errors, see https://golang.org/src/net/http/client_test.go#L329
if ue, ok := err.(*url.Error); ok {
if ue.Temporary() {
return true
}
// Use of an AWS Signing Transport can result in a wrapped url.Error
return IsContextErr(ue.Err)
}
return false
}
// IsConnErr returns true if the error indicates that Elastic could not
// find an Elasticsearch host to connect to.
func IsConnErr(err error) bool {
return err == ErrNoClient || errors.Cause(err) == ErrNoClient
}
// IsNotFound returns true if the given error indicates that Elasticsearch
// returned HTTP status 404. The err parameter can be of type *elastic.Error,
// elastic.Error, *http.Response or int (indicating the HTTP status code).
func IsNotFound(err interface{}) bool {
return IsStatusCode(err, http.StatusNotFound)
}
// IsTimeout returns true if the given error indicates that Elasticsearch
// returned HTTP status 408. The err parameter can be of type *elastic.Error,
// elastic.Error, *http.Response or int (indicating the HTTP status code).
func IsTimeout(err interface{}) bool {
return IsStatusCode(err, http.StatusRequestTimeout)
}
// IsConflict returns true if the given error indicates that the Elasticsearch
// operation resulted in a version conflict. This can occur in operations like
// `update` or `index` with `op_type=create`. The err parameter can be of
// type *elastic.Error, elastic.Error, *http.Response or int (indicating the
// HTTP status code).
func IsConflict(err interface{}) bool {
return IsStatusCode(err, http.StatusConflict)
}
// IsUnauthorized returns true if the given error indicates that
// Elasticsearch returned HTTP status 401. This happens e.g. when the
// cluster is configured to require HTTP Basic Auth.
// The err parameter can be of type *elastic.Error, elastic.Error,
// *http.Response or int (indicating the HTTP status code).
func IsUnauthorized(err interface{}) bool {
return IsStatusCode(err, http.StatusUnauthorized)
}
// IsForbidden returns true if the given error indicates that Elasticsearch
// returned HTTP status 403. This happens e.g. due to a missing license.
// The err parameter can be of type *elastic.Error, elastic.Error,
// *http.Response or int (indicating the HTTP status code).
func IsForbidden(err interface{}) bool {
return IsStatusCode(err, http.StatusForbidden)
}
// IsStatusCode returns true if the given error indicates that the Elasticsearch
// operation returned the specified HTTP status code. The err parameter can be of
// type *http.Response, *Error, Error, or int (indicating the HTTP status code).
func IsStatusCode(err interface{}, code int) bool {
switch e := err.(type) {
case *http.Response:
return e.StatusCode == code
case *Error:
return e.Status == code
case Error:
return e.Status == code
case int:
return e == code
}
return false
}
// -- General errors --
// ShardsInfo represents information from a shard.
type ShardsInfo struct {
Total int `json:"total"`
Successful int `json:"successful"`
Failed int `json:"failed"`
Failures []*ShardFailure `json:"failures,omitempty"`
Skipped int `json:"skipped,omitempty"`
}
// ShardFailure represents details about a failure.
type ShardFailure struct {
Index string `json:"_index,omitempty"`
Shard int `json:"_shard,omitempty"`
Node string `json:"_node,omitempty"`
Reason map[string]interface{} `json:"reason,omitempty"`
Status string `json:"status,omitempty"`
Primary bool `json:"primary,omitempty"`
}