vikunja-api/vendor/github.com/go-redis/redis/v7/error.go
konrad d28f005552 Update xorm to v1 (#323)
Fix limit for databases other than sqlite

go mod tidy && go mod vendor

Remove unneeded break statements

Make everything work with the new xorm version

Fix xorm logging

Fix lint

Fix redis init

Fix using id field

Fix database init for testing

Change default database log level

Add xorm logger

Use const for postgres

go mod tidy

Merge branch 'master' into update/xorm

# Conflicts:
#	go.mod
#	go.sum
#	vendor/modules.txt

go mod vendor

Fix loading fixtures for postgres

Go mod vendor1

Update xorm to version 1

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/323
2020-04-12 17:29:24 +00:00

93 lines
1.7 KiB
Go

package redis
import (
"context"
"io"
"net"
"strings"
"github.com/go-redis/redis/v7/internal/proto"
)
func isRetryableError(err error, retryTimeout bool) bool {
switch err {
case nil, context.Canceled, context.DeadlineExceeded:
return false
case io.EOF:
return true
}
if netErr, ok := err.(net.Error); ok {
if netErr.Timeout() {
return retryTimeout
}
return true
}
s := err.Error()
if s == "ERR max number of clients reached" {
return true
}
if strings.HasPrefix(s, "LOADING ") {
return true
}
if strings.HasPrefix(s, "READONLY ") {
return true
}
if strings.HasPrefix(s, "CLUSTERDOWN ") {
return true
}
return false
}
func isRedisError(err error) bool {
_, ok := err.(proto.RedisError)
return ok
}
func isBadConn(err error, allowTimeout bool) bool {
if err == nil {
return false
}
if isRedisError(err) {
// Close connections in read only state in case domain addr is used
// and domain resolves to a different Redis Server. See #790.
return isReadOnlyError(err)
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
return false
}
}
return true
}
func isMovedError(err error) (moved bool, ask bool, addr string) {
if !isRedisError(err) {
return
}
s := err.Error()
switch {
case strings.HasPrefix(s, "MOVED "):
moved = true
case strings.HasPrefix(s, "ASK "):
ask = true
default:
return
}
ind := strings.LastIndex(s, " ")
if ind == -1 {
return false, false, ""
}
addr = s[ind+1:]
return
}
func isLoadingError(err error) bool {
return strings.HasPrefix(err.Error(), "LOADING ")
}
func isReadOnlyError(err error) bool {
return strings.HasPrefix(err.Error(), "READONLY ")
}