-
Notifications
You must be signed in to change notification settings - Fork 4
/
enter.go
148 lines (131 loc) · 3.51 KB
/
enter.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
/*
* Copyright (c) 2024 OceanBase.
*
* 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 agent
import (
"strconv"
"github.com/mattn/go-sqlite3"
"github.com/pkg/errors"
"gorm.io/gorm"
"github.com/oceanbase/obshell/agent/constant"
"github.com/oceanbase/obshell/agent/meta"
sqlitedb "github.com/oceanbase/obshell/agent/repository/db/sqlite"
"github.com/oceanbase/obshell/agent/repository/model/sqlite"
)
type AgentService struct{}
type Agent struct {
meta.AgentInstance
MasterAgent *meta.AgentInfoWithZone
}
var ocsAgent *Agent
func (s *AgentService) InitAgent() error {
if meta.OCS_AGENT != nil {
return errors.New("agent already initialized")
}
agentInstance, err := s.getAgentInfo()
if err != nil {
return err
}
ocsAgent = &Agent{
AgentInstance: agentInstance,
}
switch agentInstance.Identity {
case meta.SINGLE:
case meta.FOLLOWER:
if err := s.loadMasterAgent(); err != nil {
return err
}
fallthrough
case meta.MASTER:
fallthrough
case meta.CLUSTER_AGENT:
if err := s.initOBPort(); err != nil {
return err
}
default:
}
meta.OCS_AGENT = ocsAgent
return nil
}
func (s *AgentService) initOBPort() error {
sqliteDb, err := sqlitedb.GetSqliteInstance()
if err != nil {
return err
}
return sqliteDb.Transaction(func(tx *gorm.DB) error {
defer func() {
if err != nil {
meta.MYSQL_PORT = 0
meta.RPC_PORT = 0
}
}()
if err = s.getOBConifg(tx, constant.CONFIG_MYSQL_PORT, &meta.MYSQL_PORT); err != nil {
return err
}
return s.getOBConifg(tx, constant.CONFIG_RPC_PORT, &meta.RPC_PORT)
})
}
func (agentService *AgentService) InitializeAgentStatus() (err error) {
db, err := sqlitedb.GetSqliteInstance()
if err != nil {
return
}
if err = db.Create(&sqlite.OcsInfo{Name: constant.OCS_INFO_STATUS, Value: strconv.Itoa(constant.AGENT_RUNNING)}).Error; err != nil {
sqliteErr, ok := err.(sqlite3.Error)
if ok && sqliteErr.Code == sqlite3.ErrConstraint {
return nil
}
}
return
}
func (s *AgentService) getAgentInfo() (agentInfo meta.AgentInstance, err error) {
sqliteDb, err := sqlitedb.GetSqliteInstance()
if err != nil {
return
}
var data []sqlite.OcsInfo
if err = sqliteDb.Model(&sqlite.OcsInfo{}).Scan(&data).Error; err != nil {
return
}
agentInfo.Identity = meta.UNIDENTIFIED
agentInfo.Version = constant.VERSION_RELEASE
for _, info := range data {
switch info.Name {
case constant.OCS_INFO_IDENTITY:
agentInfo.Identity = meta.AgentIdentity(info.Value)
case constant.OCS_INFO_IP:
agentInfo.Ip = info.Value
case constant.OCS_INFO_PORT:
if port, err := strconv.Atoi(info.Value); err != nil {
return agentInfo, err
} else {
agentInfo.Port = port
}
case constant.OCS_INFO_ZONE:
agentInfo.Zone = info.Value
}
}
return
}
func (s *AgentService) loadMasterAgent() (err error) {
sqliteDb, err := sqlitedb.GetSqliteInstance()
if err != nil {
return
}
var agent meta.AgentInfoWithZone
err = sqliteDb.Model(&sqlite.AllAgent{}).Where("identity = ?", meta.MASTER).First(&agent).Error
ocsAgent.MasterAgent = &agent
return
}