/
system.go
241 lines (206 loc) · 6.54 KB
/
system.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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
// Copyright (c) 2020-2024 Blockwatch Data Inc.
// Author: alex@blockwatch.cc
package system
import (
"fmt"
"net/http"
"os"
"path/filepath"
"sort"
"time"
"github.com/gorilla/mux"
"blockwatch.cc/packdb/pack"
"blockwatch.cc/tzindex/etl"
"blockwatch.cc/tzindex/server"
"blockwatch.cc/tzindex/server/explorer"
"github.com/echa/config"
logpkg "github.com/echa/log"
)
var LoggerMap map[string]logpkg.Logger
func init() {
server.Register(SystemRequest{})
}
var _ server.RESTful = (*SystemRequest)(nil)
var _ server.Resource = (*SystemRequest)(nil)
type SystemRequest struct{}
func (t SystemRequest) LastModified() time.Time {
return time.Now().UTC()
}
func (t SystemRequest) Expires() time.Time {
return time.Time{}
}
func (t SystemRequest) RESTPrefix() string {
return "/system"
}
func (t SystemRequest) RESTPath(r *mux.Router) string {
return ""
}
func (t SystemRequest) RegisterDirectRoutes(r *mux.Router) error {
return nil
}
func (t SystemRequest) RegisterRoutes(r *mux.Router) error {
// stats & info
r.HandleFunc("/config", server.C(GetConfig)).Methods("GET")
r.HandleFunc("/tables", server.C(GetTableStats)).Methods("GET")
r.HandleFunc("/caches", server.C(GetCacheStats)).Methods("GET")
r.HandleFunc("/sysstat", server.C(GetSysStats)).Methods("GET")
// actions
r.HandleFunc("/tables/snapshot", server.C(SnapshotDatabases)).Methods("PUT")
r.HandleFunc("/tables/flush", server.C(FlushDatabases)).Methods("PUT")
r.HandleFunc("/tables/flush_journal", server.C(FlushJournals)).Methods("PUT")
r.HandleFunc("/tables/gc", server.C(GcDatabases)).Methods("PUT")
r.HandleFunc("/tables/dump/{table}/{part}", server.C(DumpTable)).Methods("PUT")
r.HandleFunc("/caches/purge", server.C(PurgeCaches)).Methods("PUT")
r.HandleFunc("/rollback", server.C(RollbackDatabases)).Methods("PUT")
r.HandleFunc("/log/{subsystem}/{level}", server.C(UpdateLog)).Methods("PUT")
return nil
}
func GetTableStats(ctx *server.Context) (interface{}, int) {
stats := ctx.Indexer.TableStats()
sort.SliceStable(stats, func(i, j int) bool {
return stats[i].TableName+stats[i].IndexName < stats[j].TableName+stats[j].IndexName
})
return stats, http.StatusOK
}
func GetCacheStats(ctx *server.Context) (interface{}, int) {
cs := ctx.Crawler.CacheStats()
for n, v := range ctx.Indexer.CacheStats() {
cs[n] = v
}
return cs, http.StatusOK
}
func GetSysStats(ctx *server.Context) (interface{}, int) {
s, err := GetSysStat(ctx.Context)
if err != nil {
panic(server.EInternal(server.EC_SERVER, "sysstat failed", err))
}
return s, http.StatusOK
}
func GetConfig(ctx *server.Context) (interface{}, int) {
return config.All(), http.StatusOK
}
func PurgeCaches(ctx *server.Context) (interface{}, int) {
explorer.PurgeCaches()
ctx.Indexer.PurgeCaches()
return nil, http.StatusNoContent
}
func SnapshotDatabases(ctx *server.Context) (interface{}, int) {
if err := ctx.Crawler.SnapshotRequest(ctx.Context); err != nil {
panic(server.EInternal(server.EC_DATABASE, "snapshot failed", err))
}
return nil, http.StatusNoContent
}
func FlushDatabases(ctx *server.Context) (interface{}, int) {
if err := ctx.Indexer.Flush(ctx.Context); err != nil {
panic(server.EInternal(server.EC_DATABASE, "flush failed", err))
}
return nil, http.StatusNoContent
}
func FlushJournals(ctx *server.Context) (interface{}, int) {
if err := ctx.Indexer.FlushJournals(ctx.Context); err != nil {
panic(server.EInternal(server.EC_DATABASE, "journal flush failed", err))
}
return nil, http.StatusNoContent
}
func GcDatabases(ctx *server.Context) (interface{}, int) {
if err := ctx.Indexer.GC(ctx.Context, config.GetFloat64("db.gc_ratio")); err != nil {
panic(server.EInternal(server.EC_DATABASE, "gc failed", err))
}
return nil, http.StatusNoContent
}
func UpdateLog(ctx *server.Context) (interface{}, int) {
sub := mux.Vars(ctx.Request)["subsystem"]
level := mux.Vars(ctx.Request)["level"]
lvl := logpkg.ParseLevel(level)
if lvl == logpkg.LevelInvalid {
panic(server.EBadRequest(server.EC_PARAM_INVALID, fmt.Sprintf("undefined log level '%s'", level), nil))
}
var key string
switch sub {
case "main":
key = "MAIN"
case "etl":
key = "ETL "
case "db":
key = "DATA"
case "rpc":
key = "RPC "
case "api":
key = "API "
case "micheline":
key = "MICH"
default:
panic(server.EBadRequest(server.EC_PARAM_INVALID, fmt.Sprintf("undefined subsystem '%s'", sub), nil))
}
logger, ok := LoggerMap[key]
if ok {
logger.SetLevel(lvl)
}
return nil, http.StatusNoContent
}
type RollbackRequest struct {
Height int64 `schema:"height" json:"height"` // negative height is treated as offset
Force bool `schema:"force" json:"force"` // ignore errors
}
func RollbackDatabases(ctx *server.Context) (interface{}, int) {
var args RollbackRequest
ctx.ParseRequestArgs(&args)
// only supported in failed mode!
s := ctx.Crawler.Status()
if s.Status != etl.STATE_FAILED {
panic(server.EConflict(server.EC_RESOURCE_STATE_UNEXPECTED, fmt.Sprintf("rollback unsupported in state '%s'", s.Status), nil))
}
if err := ctx.Crawler.Rollback(ctx.Context, args.Height, args.Force); err != nil {
panic(server.EInternal(server.EC_DATABASE, "rollback failed", err))
}
return nil, http.StatusNoContent
}
func DumpTable(ctx *server.Context) (interface{}, int) {
tname := mux.Vars(ctx.Request)["table"]
pname := mux.Vars(ctx.Request)["part"]
table, err := ctx.Indexer.Table(tname)
if err != nil {
panic(server.ENotFound(server.EC_RESOURCE_NOTFOUND, "no such table", nil))
}
spath := config.GetString("crawler.snapshot_path")
if spath == "" {
panic(server.EForbidden(server.EC_ACCESS_READONLY, "snapshots and dumps disabled, set crawler.snapshot_path to enable", nil))
}
switch pname {
case "blocks", "journal", "table", "index", "data":
// OK
default:
panic(server.EBadRequest(server.EC_PARAM_INVALID, fmt.Sprintf("undefined table part '%s'", pname), nil))
}
fname := fmt.Sprintf("%s-%s-%s.dump", tname, pname, ctx.Now.Format("2006-01-02T15:04:05"))
f, err := os.Create(filepath.Join(spath, fname))
if err != nil {
panic(server.EInternal(server.EC_SERVER, "cannot create dump file", err))
}
defer f.Close()
switch pname {
case "blocks":
err = table.DumpPackBlocks(f, 0)
case "journal":
err = table.DumpJournal(f, 0)
case "table":
err = table.DumpPackInfo(f, 0, false)
case "index":
err = table.DumpIndexPackInfo(f, 0, false)
case "data":
for i := 0; ; i++ {
err2 := table.DumpPack(f, i, 0)
if err2 == pack.ErrPackNotFound {
break
}
if err2 != nil {
err = err2
break
}
}
}
if err != nil {
panic(server.EInternal(server.EC_SERVER, "dump failed", err))
}
return nil, http.StatusNoContent
}