124 lines
3.9 KiB
Go
124 lines
3.9 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package diagnose
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import (
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"context"
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"fmt"
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"time"
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"github.com/hashicorp/vault/physical/raft"
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"github.com/hashicorp/vault/sdk/physical"
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)
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const (
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timeoutCallRead string = "lag Read"
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timeoutCallWrite string = "lag Write"
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timeoutCallDelete string = "lag Delete"
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errCallWrite string = "err Write"
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errCallDelete string = "err Delete"
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errCallRead string = "err Read"
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badReadCall string = "bad Read"
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storageErrStringWrite string = "storage error on write"
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storageErrStringRead string = "storage error on read"
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storageErrStringDelete string = "storage error on delete"
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readOp string = "read"
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writeOp string = "write"
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deleteOp string = "delete"
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)
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var (
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goodEntry physical.Entry = physical.Entry{Key: "diagnose", Value: []byte(secretVal)}
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badEntry physical.Entry = physical.Entry{}
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)
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type mockStorageBackend struct {
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callType string
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raftServerQuorumType int
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}
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func (m mockStorageBackend) storageLogicGeneralInternal(op string) error {
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if (m.callType == timeoutCallRead && op == readOp) || (m.callType == timeoutCallWrite && op == writeOp) ||
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(m.callType == timeoutCallDelete && op == deleteOp) {
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time.Sleep(2 * time.Second)
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} else if m.callType == errCallWrite && op == writeOp {
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return fmt.Errorf(storageErrStringWrite)
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} else if m.callType == errCallDelete && op == deleteOp {
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return fmt.Errorf(storageErrStringDelete)
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} else if m.callType == errCallRead && op == readOp {
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return fmt.Errorf(storageErrStringRead)
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}
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return nil
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}
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// Put is used to insert or update an entry
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func (m mockStorageBackend) Put(ctx context.Context, entry *physical.Entry) error {
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return m.storageLogicGeneralInternal(writeOp)
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}
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// Get is used to fetch an entry
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func (m mockStorageBackend) Get(ctx context.Context, key string) (*physical.Entry, error) {
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if m.callType == timeoutCallRead {
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return &goodEntry, m.storageLogicGeneralInternal(readOp)
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}
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if m.callType == errCallRead {
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return nil, m.storageLogicGeneralInternal(readOp)
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}
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if m.callType == badReadCall {
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return &badEntry, nil
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}
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return &goodEntry, nil
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}
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// Delete is used to permanently delete an entry
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func (m mockStorageBackend) Delete(ctx context.Context, key string) error {
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return m.storageLogicGeneralInternal(deleteOp)
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}
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// List is not used in a mock.
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func (m mockStorageBackend) List(ctx context.Context, prefix string) ([]string, error) {
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return nil, fmt.Errorf("method not implemented")
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}
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func callTypeToOp(ctype string) string {
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if ctype == timeoutCallRead || ctype == errCallRead || ctype == badReadCall {
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return readOp
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}
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if ctype == errCallWrite || ctype == storageErrStringWrite || ctype == timeoutCallWrite {
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return writeOp
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}
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if ctype == errCallDelete || ctype == timeoutCallDelete || ctype == storageErrStringDelete {
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return deleteOp
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}
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return ""
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}
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func (m mockStorageBackend) GetConfigurationOffline() (*raft.RaftConfigurationResponse, error) {
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twoServerList := []*raft.RaftServer{}
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threeServerList := []*raft.RaftServer{}
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for i := 0; i < 2; i++ {
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twoServerList = append(twoServerList, &raft.RaftServer{Voter: true})
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threeServerList = append(threeServerList, &raft.RaftServer{Voter: true})
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}
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threeServerList = append(threeServerList, &raft.RaftServer{Voter: true})
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switch m.raftServerQuorumType {
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case 0:
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return &raft.RaftConfigurationResponse{Servers: twoServerList}, nil
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case 1:
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return &raft.RaftConfigurationResponse{Servers: threeServerList}, nil
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case 2:
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threeServerList[2].Voter = false
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return &raft.RaftConfigurationResponse{Servers: threeServerList}, nil
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case 3:
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return &raft.RaftConfigurationResponse{Servers: threeServerList}, fmt.Errorf("error: something bad")
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}
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return nil, nil
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}
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// Don't have this in test file
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type RaftConfigurableStorageBackend interface {
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GetConfigurationOffline() (*raft.RaftConfigurationResponse, error)
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}
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