forked from amonapp/amonagent
/
agent.go
107 lines (84 loc) · 2.64 KB
/
agent.go
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package amonagent
import (
"fmt"
"time"
"github.com/amonapp/amonagent/collectors"
"github.com/amonapp/amonagent/logging"
"github.com/amonapp/amonagent/remote"
"github.com/amonapp/amonagent/settings"
)
var agentLogger = logging.GetLogger("amonagent.log")
// Agent - XXX
type Agent struct {
// Interval at which to gather information
Interval time.Duration
}
// Test - XXX
func (a *Agent) Test(config settings.Struct) error {
allMetrics := collectors.CollectAllData()
fmt.Println("\n------------------")
fmt.Println("\033[92mCollecting Metrics: \033[0m")
fmt.Println("")
fmt.Println(allMetrics)
fmt.Println("\n------------------")
fmt.Println("\033[92mTesting settings: \033[0m")
fmt.Println("")
machineID := collectors.MachineID()
if len(machineID) == 0 && len(config.ServerKey) == 0 {
fmt.Println("Can't find Machine ID (looking in /etc/opt/amonagent/machine-id, /etc/machine-id and /var/lib/dbus/machine-id).")
fmt.Println("This usually means D-bus is missing on this server. To solve this problem")
fmt.Println("---")
fmt.Println("On RPM distros:")
fmt.Println("rpm install dbus")
fmt.Println("dbus-uuidgen > /etc/opt/amonagent/machine-id")
fmt.Println("---")
fmt.Println("On Debian distros:")
fmt.Println("apt-get install dbus")
fmt.Println("dbus-uuidgen > /etc/opt/amonagent/machine-id")
fmt.Println("---")
fmt.Println("Or alternatively, you can 'Add Server' from the Amon Interface and paste the Server Key value")
fmt.Println("as server_key in /etc/opt/amonagent.conf")
}
fmt.Println("\n------------------")
url := remote.SystemURL()
fmt.Printf("\033[92m\nSending data to %s \033[0m", url)
err := remote.SendData(allMetrics)
if err != nil {
return fmt.Errorf("%s\n", err.Error())
}
return nil
}
// GatherAndSend - XXX
func (a *Agent) GatherAndSend() error {
allMetrics := collectors.CollectAllData()
err := remote.SendData(allMetrics)
if err != nil {
return fmt.Errorf("Can't connect to the Amon API on %s\n", err.Error())
}
return nil
}
// NewAgent - XXX
func NewAgent(config settings.Struct) (*Agent, error) {
agent := &Agent{
Interval: time.Duration(config.Interval) * time.Second,
}
return agent, nil
}
// Run runs the agent daemon, gathering every Interval
func (a *Agent) Run(shutdown chan struct{}) error {
agentLogger.Info("Agent Config: Interval:%s\n", a.Interval)
ticker := time.NewTicker(a.Interval)
for {
if err := a.GatherAndSend(); err != nil {
agentLogger.Info("Flusher routine failed, exiting: %s\n", err.Error())
} else {
agentLogger.Info("Collecting and sending data:%s\n", a.Interval)
}
select {
case <-shutdown:
return nil
case <-ticker.C:
continue
}
}
}