unpoller_unpoller/pkg/unifi-poller/poller.go

126 lines
3.4 KiB
Go

package unifipoller
import (
"encoding/json"
"encoding/xml"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
"github.com/BurntSushi/toml"
"github.com/golift/unifi"
influx "github.com/influxdata/influxdb1-client/v2"
"github.com/pkg/errors"
flag "github.com/spf13/pflag"
yaml "gopkg.in/yaml.v2"
)
// ParseFlags runs the parser.
func (u *UnifiPoller) ParseFlags(args []string) {
u.Flag = flag.NewFlagSet("unifi-poller", flag.ExitOnError)
u.Flag.Usage = func() {
fmt.Println("Usage: unifi-poller [--config=filepath] [--version]")
u.Flag.PrintDefaults()
}
u.Flag.StringVarP(&u.DumpJSON, "dumpjson", "j", "",
"This debug option prints the json payload for a device and exits.")
u.Flag.StringVarP(&u.ConfigFile, "config", "c", defaultConfFile, "Poller Config File (TOML Format)")
u.Flag.BoolVarP(&u.ShowVer, "version", "v", false, "Print the version and exit")
_ = u.Flag.Parse(args)
}
// GetConfig parses and returns our configuration data.
func (u *UnifiPoller) GetConfig() (err error) {
// Preload our defaults.
u.Config = &Config{
InfluxURL: defaultInfxURL,
InfluxUser: defaultInfxUser,
InfluxPass: defaultInfxPass,
InfluxDB: defaultInfxDb,
UnifiUser: defaultUnifUser,
UnifiPass: os.Getenv("UNIFI_PASSWORD"),
UnifiBase: defaultUnifURL,
Interval: Dur{defaultInterval},
Sites: []string{"default"},
}
var buf []byte
switch buf, err = ioutil.ReadFile(u.ConfigFile); {
case err != nil:
return err
case strings.HasSuffix(u.ConfigFile, ".json"):
err = json.Unmarshal(buf, u.Config)
case strings.HasSuffix(u.ConfigFile, ".xml"):
err = xml.Unmarshal(buf, u.Config)
case strings.HasSuffix(u.ConfigFile, ".yaml"):
err = yaml.Unmarshal(buf, u.Config)
default:
err = toml.Unmarshal(buf, u.Config)
}
if err != nil {
return err
}
if u.DumpJSON != "" {
u.Quiet = true
}
u.Logf("Loaded Configuration: %s", u.ConfigFile)
return nil
}
// Run invokes all the application logic and routines.
func (u *UnifiPoller) Run() (err error) {
if u.DumpJSON != "" {
return u.DumpJSONPayload()
}
if log.SetFlags(0); u.Debug {
log.SetFlags(log.Lshortfile | log.Lmicroseconds | log.Ldate)
u.LogDebugf("Debug Logging Enabled")
}
log.Printf("[INFO] Unifi-Poller v%v Starting Up! PID: %d", Version, os.Getpid())
if err = u.GetUnifi(); err != nil {
return err
}
if err = u.GetInfluxDB(); err != nil {
return err
}
return u.PollController()
}
// GetInfluxDB returns an influxdb interface.
func (u *UnifiPoller) GetInfluxDB() (err error) {
u.Client, err = influx.NewHTTPClient(influx.HTTPConfig{
Addr: u.InfluxURL,
Username: u.InfluxUser,
Password: u.InfluxPass,
})
if err != nil {
return errors.Wrap(err, "influxdb")
}
u.Logf("Logging Measurements to InfluxDB at %s as user %s", u.InfluxURL, u.InfluxUser)
return nil
}
// GetUnifi returns a Unifi controller interface.
func (u *UnifiPoller) GetUnifi() (err error) {
// Create an authenticated session to the Unifi Controller.
u.Unifi, err = unifi.NewUnifi(u.UnifiUser, u.UnifiPass, u.UnifiBase, u.VerifySSL)
if err != nil {
return errors.Wrap(err, "unifi controller")
}
u.Unifi.ErrorLog = u.LogErrorf // Log all errors.
u.Unifi.DebugLog = u.LogDebugf // Log debug messages.
v, err := u.GetServer()
if err != nil {
v.ServerVersion = "unknown"
}
u.Logf("Authenticated to Unifi Controller at %s version %s as user %s", u.UnifiBase, v.ServerVersion, u.UnifiUser)
if err = u.CheckSites(); err != nil {
return err
}
u.Logf("Polling Unifi Controller Sites: %v", u.Sites)
return nil
}