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make checkin intervals configurable and remove extra nats conn

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This commit is contained in:
wh1te909
2022-11-24 23:45:59 -08:00
parent 9ccb95449e
commit f1db416d56
4 changed files with 79 additions and 24 deletions
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1
agent/agent.go
View File

@@ -89,6 +89,7 @@ const (
var winTempDir = filepath.Join(os.Getenv("PROGRAMDATA"), "TacticalRMM")
var winMeshDir = filepath.Join(os.Getenv("PROGRAMFILES"), "Mesh Agent")
var natsCheckin = []string{"agent-hello", "agent-agentinfo", "agent-disks", "agent-winsvc", "agent-publicip", "agent-wmi"}
var limitNatsData = []string{"agent-winsvc", "agent-wmi"}
func New(logger *logrus.Logger, version string) *Agent {
host, _ := ps.Host()

9
agent/rpc.go
View File

@@ -51,15 +51,18 @@ var (
func (a *Agent) RunRPC() {
a.Logger.Infoln("Agent service started")
go a.RunAsService()
var wg sync.WaitGroup
wg.Add(1)
opts := a.setupNatsOptions()
nc, err := nats.Connect(a.NatsServer, opts...)
if err != nil {
a.Logger.Fatalln("RunRPC() nats.Connect()", err)
}
go a.RunAsService(nc)
var wg sync.WaitGroup
wg.Add(1)
nc.Subscribe(a.AgentID, func(msg *nats.Msg) {
var payload *NatsMsg
var mh codec.MsgpackHandle

84
agent/svc.go
View File

@@ -12,6 +12,7 @@ https://license.tacticalrmm.com
package agent
import (
"fmt"
"runtime"
"sync"
"time"
@@ -19,15 +20,27 @@ import (
nats "github.com/nats-io/nats.go"
)
func (a *Agent) RunAsService() {
func (a *Agent) RunAsService(nc *nats.Conn) {
var wg sync.WaitGroup
wg.Add(1)
go a.AgentSvc()
go a.AgentSvc(nc)
go a.CheckRunner()
wg.Wait()
}
func (a *Agent) AgentSvc() {
type AgentCheckInConfig struct {
Hello int `json:"checkin_hello"`
AgentInfo int `json:"checkin_agentinfo"`
WinSvc int `json:"checkin_winsvc"`
PubIP int `json:"checkin_pubip"`
Disks int `json:"checkin_disks"`
SW int `json:"checkin_sw"`
WMI int `json:"checkin_wmi"`
SyncMesh int `json:"checkin_syncmesh"`
LimitData bool `json:"limit_data"`
}
func (a *Agent) AgentSvc(nc *nats.Conn) {
if runtime.GOOS == "windows" {
go a.GetPython(false)
@@ -38,37 +51,36 @@ func (a *Agent) AgentSvc() {
}
a.RunMigrations()
sleepDelay := randRange(14, 22)
sleepDelay := randRange(7, 25)
a.Logger.Debugf("AgentSvc() sleeping for %v seconds", sleepDelay)
time.Sleep(time.Duration(sleepDelay) * time.Second)
opts := a.setupNatsOptions()
nc, err := nats.Connect(a.NatsServer, opts...)
if err != nil {
a.Logger.Fatalln("AgentSvc() nats.Connect()", err)
}
conf := a.GetAgentCheckInConfig()
for _, s := range natsCheckin {
a.NatsMessage(nc, s)
time.Sleep(time.Duration(randRange(100, 400)) * time.Millisecond)
if conf.LimitData && stringInSlice(s, limitNatsData) {
continue
} else {
a.NatsMessage(nc, s)
time.Sleep(time.Duration(randRange(100, 400)) * time.Millisecond)
}
}
go a.SyncMeshNodeID()
time.Sleep(time.Duration(randRange(1, 3)) * time.Second)
if runtime.GOOS == "windows" {
if runtime.GOOS == "windows" && !conf.LimitData {
a.AgentStartup()
a.SendSoftware()
}
checkInHelloTicker := time.NewTicker(time.Duration(randRange(30, 60)) * time.Second)
checkInAgentInfoTicker := time.NewTicker(time.Duration(randRange(200, 400)) * time.Second)
checkInWinSvcTicker := time.NewTicker(time.Duration(randRange(2400, 3000)) * time.Second)
checkInPubIPTicker := time.NewTicker(time.Duration(randRange(300, 500)) * time.Second)
checkInDisksTicker := time.NewTicker(time.Duration(randRange(1000, 2000)) * time.Second)
checkInSWTicker := time.NewTicker(time.Duration(randRange(2800, 3500)) * time.Second)
checkInWMITicker := time.NewTicker(time.Duration(randRange(3000, 4000)) * time.Second)
syncMeshTicker := time.NewTicker(time.Duration(randRange(800, 1200)) * time.Second)
checkInHelloTicker := time.NewTicker(time.Duration(conf.Hello) * time.Second)
checkInAgentInfoTicker := time.NewTicker(time.Duration(conf.AgentInfo) * time.Second)
checkInWinSvcTicker := time.NewTicker(time.Duration(conf.WinSvc) * time.Second)
checkInPubIPTicker := time.NewTicker(time.Duration(conf.PubIP) * time.Second)
checkInDisksTicker := time.NewTicker(time.Duration(conf.Disks) * time.Second)
checkInSWTicker := time.NewTicker(time.Duration(conf.SW) * time.Second)
checkInWMITicker := time.NewTicker(time.Duration(conf.WMI) * time.Second)
syncMeshTicker := time.NewTicker(time.Duration(conf.SyncMesh) * time.Second)
for {
select {
@@ -100,3 +112,33 @@ func (a *Agent) AgentStartup() {
a.Logger.Debugln("AgentStartup()", err)
}
}
func (a *Agent) GetAgentCheckInConfig() AgentCheckInConfig {
ret := AgentCheckInConfig{}
url := fmt.Sprintf("/api/v3/%s/config/", a.AgentID)
r, err := a.rClient.R().SetResult(&AgentCheckInConfig{}).Get(url)
if err != nil {
a.Logger.Debugln("GetAgentCheckInConfig()", err)
ret.Hello = randRange(30, 60)
ret.AgentInfo = randRange(200, 400)
ret.WinSvc = randRange(2400, 3000)
ret.PubIP = randRange(300, 500)
ret.Disks = randRange(1000, 2000)
ret.SW = randRange(2800, 3500)
ret.WMI = randRange(3000, 4000)
ret.SyncMesh = randRange(800, 1200)
ret.LimitData = false
return ret
}
ret.Hello = r.Result().(*AgentCheckInConfig).Hello
ret.AgentInfo = r.Result().(*AgentCheckInConfig).AgentInfo
ret.WinSvc = r.Result().(*AgentCheckInConfig).WinSvc
ret.PubIP = r.Result().(*AgentCheckInConfig).PubIP
ret.Disks = r.Result().(*AgentCheckInConfig).Disks
ret.SW = r.Result().(*AgentCheckInConfig).SW
ret.WMI = r.Result().(*AgentCheckInConfig).WMI
ret.SyncMesh = r.Result().(*AgentCheckInConfig).SyncMesh
ret.LimitData = r.Result().(*AgentCheckInConfig).LimitData
a.Logger.Debugf("%+v\n", r)
return ret
}

9
agent/utils.go
View File

@@ -322,3 +322,12 @@ func createTmpFile() (*os.File, error) {
}
return f, nil
}
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}