/
msg_getlog.go
168 lines (142 loc) · 4.36 KB
/
msg_getlog.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
// Copyright 2021 FerretDB Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package handler
import (
"context"
"encoding/json"
"fmt"
"strings"
"time"
"go.uber.org/zap"
"github.com/FerretDB/FerretDB/build/version"
"github.com/FerretDB/FerretDB/internal/handler/handlererrors"
"github.com/FerretDB/FerretDB/internal/handler/handlerparams"
"github.com/FerretDB/FerretDB/internal/types"
"github.com/FerretDB/FerretDB/internal/util/debugbuild"
"github.com/FerretDB/FerretDB/internal/util/lazyerrors"
"github.com/FerretDB/FerretDB/internal/util/logging"
"github.com/FerretDB/FerretDB/internal/util/must"
"github.com/FerretDB/FerretDB/internal/wire"
)
// MsgGetLog implements `getLog` command.
func (h *Handler) MsgGetLog(ctx context.Context, msg *wire.OpMsg) (*wire.OpMsg, error) {
document, err := msg.Document()
if err != nil {
return nil, lazyerrors.Error(err)
}
command := document.Command()
getLog, err := document.Get(command)
if err != nil {
return nil, lazyerrors.Error(err)
}
if _, ok := getLog.(types.NullType); ok {
return nil, handlererrors.NewCommandErrorMsg(
handlererrors.ErrMissingField,
`BSON field 'getLog.getLog' is missing but a required field`,
)
}
if _, ok := getLog.(string); !ok {
return nil, handlererrors.NewCommandError(
handlererrors.ErrTypeMismatch,
fmt.Errorf(
"BSON field 'getLog.getLog' is the wrong type '%s', expected type 'string'",
handlerparams.AliasFromType(getLog),
),
)
}
var resDoc *types.Document
switch getLog {
case "*":
resDoc = must.NotFail(types.NewDocument(
"names", must.NotFail(types.NewArray("global", "startupWarnings")),
"ok", float64(1),
))
case "global":
log, err := logging.RecentEntries.GetArray(zap.DebugLevel)
if err != nil {
return nil, lazyerrors.Error(err)
}
resDoc = must.NotFail(types.NewDocument(
"log", log,
"totalLinesWritten", int64(log.Len()),
"ok", float64(1),
))
case "startupWarnings":
state := h.StateProvider.Get()
info := version.Get()
// it may be empty if no connection was established yet
var b string
if state.BackendVersion != "" {
b, _, _ = strings.Cut(state.BackendVersion, " (")
b = " and " + state.BackendName + " " + strings.TrimSpace(b)
}
startupWarnings := []string{
fmt.Sprintf("Powered by FerretDB %s%s.", info.Version, b),
"Please star us on GitHub: https://github.com/FerretDB/FerretDB.",
}
if debugbuild.Enabled {
startupWarnings = append(startupWarnings, "This is debug build. The performance will be affected.")
}
switch {
case state.Telemetry == nil:
startupWarnings = append(
startupWarnings,
"The telemetry state is undecided.",
"Read more about FerretDB telemetry and how to opt out at https://beacon.ferretdb.com.",
)
case state.UpdateInfo != "", state.UpdateAvailable:
msg := state.UpdateInfo
if msg == "" {
msg = fmt.Sprintf(
"A new version available! The latest version: %s. The current version: %s.",
state.LatestVersion, info.Version,
)
}
startupWarnings = append(startupWarnings, msg)
}
var log types.Array
for _, line := range startupWarnings {
b, err := json.Marshal(map[string]any{
"msg": line,
"tags": []string{"startupWarnings"},
"s": "I",
"c": "STORAGE",
"id": 42000,
"ctx": "initandlisten",
"t": map[string]string{
"$date": time.Now().UTC().Format("2006-01-02T15:04:05.999Z07:00"),
},
})
if err != nil {
return nil, lazyerrors.Error(err)
}
log.Append(string(b))
}
resDoc = must.NotFail(types.NewDocument(
"log", &log,
"totalLinesWritten", int64(log.Len()),
"ok", float64(1),
))
default:
return nil, handlererrors.NewCommandError(
handlererrors.ErrOperationFailed,
fmt.Errorf("no RecentEntries named: %s", getLog),
)
}
var reply wire.OpMsg
must.NoError(reply.SetSections(wire.MakeOpMsgSection(
resDoc,
)))
return &reply, nil
}