unpoller_unpoller/pkg/inputunifi/interface.go

141 lines
3.5 KiB
Go

package inputunifi
/* This file contains the three poller.Input interface methods. */
import (
"fmt"
"os"
"strings"
"github.com/davidnewhall/unifi-poller/pkg/poller"
"golift.io/unifi"
)
// Initialize gets called one time when starting up.
// Satisfies poller.Input interface.
func (u *InputUnifi) Initialize(l poller.Logger) error {
if u.Disable {
l.Logf("UniFi input plugin disabled!")
return nil
}
if u.setDefaults(&u.Default); len(u.Controllers) < 1 && !u.Dynamic {
new := u.Default // copy defaults.
u.Controllers = []*Controller{&new}
}
if len(u.Controllers) < 1 {
l.Logf("No controllers configured. Polling dynamic controllers only!")
}
u.dynamic = make(map[string]*Controller)
u.Logger = l
for _, c := range u.Controllers {
u.setDefaults(c)
switch err := u.getUnifi(c); err {
case nil:
if err := u.checkSites(c); err != nil {
u.LogErrorf("checking sites on %s: %v", c.Role, err)
}
u.Logf("Configured UniFi Controller at %s v%s as user %s. Sites: %v",
c.URL, c.Unifi.ServerVersion, c.User, c.Sites)
default:
u.LogErrorf("Controller Auth or Connection failed, but continuing to retry! %s: %v", c.Role, err)
}
}
return nil
}
// Metrics grabs all the measurements from a UniFi controller and returns them.
func (u *InputUnifi) Metrics() (*poller.Metrics, bool, error) {
return u.MetricsFrom(nil)
}
// MetricsFrom grabs all the measurements from a UniFi controller and returns them.
func (u *InputUnifi) MetricsFrom(filter *poller.Filter) (*poller.Metrics, bool, error) {
if u.Disable {
return nil, false, nil
}
errs := []string{}
metrics := &poller.Metrics{}
ok := false
if filter != nil && filter.Path != "" {
if !u.Dynamic {
return metrics, false, fmt.Errorf("filter path requested but dynamic lookups disabled")
}
// Attempt a dynamic metrics fetch from an unconfigured controller.
m, err := u.dynamicController(filter.Path)
return m, err == nil && m != nil, err
}
// Check if the request is for an existing, configured controller.
for _, c := range u.Controllers {
if filter != nil && !strings.EqualFold(c.Role, filter.Role) {
continue
}
m, err := u.collectController(c)
if err != nil {
errs = append(errs, err.Error())
}
if m == nil {
continue
}
ok = true
metrics = poller.AppendMetrics(metrics, m)
}
if len(errs) > 0 {
return metrics, ok, fmt.Errorf(strings.Join(errs, ", "))
}
return metrics, ok, nil
}
// RawMetrics returns API output from the first configured unifi controller.
func (u *InputUnifi) RawMetrics(filter *poller.Filter) ([]byte, error) {
if l := len(u.Controllers); filter.Unit >= l {
return nil, fmt.Errorf("control number %d not found, %d controller(s) configured (0 index)", filter.Unit, l)
}
c := u.Controllers[filter.Unit]
if u.isNill(c) {
u.Logf("Re-authenticating to UniFi Controller: %s", c.URL)
if err := u.getUnifi(c); err != nil {
return nil, fmt.Errorf("re-authenticating to %s: %v", c.Role, err)
}
}
if err := u.checkSites(c); err != nil {
return nil, err
}
sites, err := u.getFilteredSites(c)
if err != nil {
return nil, err
}
switch filter.Kind {
case "d", "device", "devices":
return u.dumpSitesJSON(c, unifi.APIDevicePath, "Devices", sites)
case "client", "clients", "c":
return u.dumpSitesJSON(c, unifi.APIClientPath, "Clients", sites)
case "other", "o":
_, _ = fmt.Fprintf(os.Stderr, "[INFO] Dumping Path '%s':\n", filter.Path)
return c.Unifi.GetJSON(filter.Path)
default:
return []byte{}, fmt.Errorf("must provide filter: devices, clients, other")
}
}