mirror of https://github.com/etcd-io/dbtester.git
123 lines
3.0 KiB
Go
123 lines
3.0 KiB
Go
// Copyright 2016 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package control
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import (
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"errors"
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"fmt"
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clientv2 "github.com/coreos/etcd/client"
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"github.com/coreos/etcd/clientv3"
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consulapi "github.com/hashicorp/consul/api"
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"github.com/samuel/go-zookeeper/zk"
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"golang.org/x/net/context"
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)
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type ReqHandler func(ctx context.Context, req *request) error
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func newPutEtcd2(conn clientv2.KeysAPI) ReqHandler {
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return func(ctx context.Context, req *request) error {
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op := req.etcdv2Op
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_, err := conn.Set(context.Background(), op.key, op.value, nil)
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return err
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}
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}
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func newPutEtcd3(conn clientv3.KV) ReqHandler {
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return func(ctx context.Context, req *request) error {
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_, err := conn.Do(ctx, req.etcdv3Op)
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return err
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}
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}
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func newPutOverwriteZK(conn *zk.Conn) ReqHandler {
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return func(ctx context.Context, req *request) error {
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op := req.zkOp
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_, err := conn.Set(op.key, op.value, int32(-1))
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return err
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}
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}
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func newPutCreateZK(conn *zk.Conn) ReqHandler {
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// samekey
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return func(ctx context.Context, req *request) error {
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op := req.zkOp
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_, err := conn.Create(op.key, op.value, zkCreateFlags, zkCreateAcl)
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return err
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}
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}
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func newPutConsul(conn *consulapi.KV) ReqHandler {
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return func(ctx context.Context, req *request) error {
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op := req.consulOp
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_, err := conn.Put(&consulapi.KVPair{Key: op.key, Value: op.value}, nil)
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return err
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}
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}
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func newGetEtcd2(conn clientv2.KeysAPI) ReqHandler {
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return func(ctx context.Context, req *request) error {
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_, err := conn.Get(ctx, req.etcdv2Op.key, nil)
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return err
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}
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}
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func newGetEtcd3(conn clientv3.KV) ReqHandler {
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return func(ctx context.Context, req *request) error {
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_, err := conn.Do(ctx, req.etcdv3Op)
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return err
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}
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}
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func newGetZK(conn *zk.Conn) ReqHandler {
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return func(ctx context.Context, req *request) error {
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errt := ""
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if !req.zkOp.staleRead {
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_, err := conn.Sync("/" + req.zkOp.key)
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if err != nil {
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errt += err.Error()
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}
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}
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_, _, err := conn.Get("/" + req.zkOp.key)
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if err != nil {
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if errt != "" {
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errt += "; "
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}
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errt += fmt.Sprintf("%q while getting %q", err.Error(), "/"+req.zkOp.key)
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}
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if errt != "" {
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return errors.New(errt)
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}
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return nil
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}
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}
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func newGetConsul(conn *consulapi.KV) ReqHandler {
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return func(ctx context.Context, req *request) error {
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opt := &consulapi.QueryOptions{}
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if req.consulOp.staleRead {
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opt.AllowStale = true
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opt.RequireConsistent = false
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}
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if !req.consulOp.staleRead {
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opt.AllowStale = false
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opt.RequireConsistent = true
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}
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_, _, err := conn.Get(req.consulOp.key, opt)
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return err
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}
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}
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