147 lines
3.6 KiB
Go
147 lines
3.6 KiB
Go
package ak
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import (
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"context"
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"fmt"
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"math/rand"
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"net/http"
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"net/url"
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"time"
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"github.com/go-openapi/strfmt"
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"github.com/google/uuid"
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"github.com/pkg/errors"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/recws-org/recws"
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"goauthentik.io/api"
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"goauthentik.io/internal/constants"
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log "github.com/sirupsen/logrus"
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)
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const ConfigLogLevel = "log_level"
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const ConfigErrorReportingEnabled = "error_reporting_enabled"
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const ConfigErrorReportingEnvironment = "error_reporting_environment"
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// APIController main controller which connects to the authentik api via http and ws
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type APIController struct {
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Client *api.APIClient
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Outpost api.Outpost
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GlobalConfig api.Config
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Server Outpost
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token string
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logger *log.Entry
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reloadOffset time.Duration
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wsConn *recws.RecConn
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instanceUUID uuid.UUID
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}
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// NewAPIController initialise new API Controller instance from URL and API token
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func NewAPIController(akURL url.URL, token string) *APIController {
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config := api.NewConfiguration()
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config.Host = akURL.Host
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config.Scheme = akURL.Scheme
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config.HTTPClient = &http.Client{
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Transport: NewUserAgentTransport(constants.OutpostUserAgent(), NewTracingTransport(context.TODO(), GetTLSTransport())),
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}
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config.AddDefaultHeader("Authorization", fmt.Sprintf("Bearer %s", token))
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// create the API client, with the transport
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apiClient := api.NewAPIClient(config)
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log := log.WithField("logger", "authentik.outpost.ak-api-controller")
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// Because we don't know the outpost UUID, we simply do a list and pick the first
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// The service account this token belongs to should only have access to a single outpost
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outposts, _, err := apiClient.OutpostsApi.OutpostsInstancesList(context.Background()).Execute()
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if err != nil {
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log.WithError(err).Error("Failed to fetch outpost configuration")
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return nil
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}
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outpost := outposts.Results[0]
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doGlobalSetup(outpost.Config)
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log.WithField("name", outpost.Name).Debug("Fetched outpost configuration")
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akConfig, _, err := apiClient.RootApi.RootConfigRetrieve(context.Background()).Execute()
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if err != nil {
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log.WithError(err).Error("Failed to fetch global configuration")
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return nil
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}
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log.Debug("Fetched global configuration")
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ac := &APIController{
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Client: apiClient,
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GlobalConfig: akConfig,
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token: token,
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logger: log,
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reloadOffset: time.Duration(rand.Intn(10)) * time.Second,
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instanceUUID: uuid.New(),
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Outpost: outpost,
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}
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ac.logger.Debugf("HA Reload offset: %s", ac.reloadOffset)
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ac.initWS(akURL, strfmt.UUID(outpost.Pk))
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OutpostInfo.With(prometheus.Labels{
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"uuid": ac.instanceUUID.String(),
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"name": outpost.Name,
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"version": constants.VERSION,
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"build": constants.BUILD(),
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}).Set(1)
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return ac
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}
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// Start Starts all handlers, non-blocking
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func (a *APIController) Start() error {
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err := a.StartBackgorundTasks()
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if err != nil {
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return err
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}
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go func() {
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err := a.Server.Start()
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if err != nil {
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panic(err)
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}
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}()
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return nil
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}
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func (a *APIController) StartBackgorundTasks() error {
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err := a.Server.Refresh()
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if err != nil {
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return errors.Wrap(err, "failed to run initial refresh")
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} else {
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LastUpdate.With(prometheus.Labels{
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"uuid": a.instanceUUID.String(),
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"name": a.Outpost.Name,
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"version": constants.VERSION,
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"build": constants.BUILD(),
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}).SetToCurrentTime()
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}
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go func() {
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a.logger.Debug("Starting WS Handler...")
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a.startWSHandler()
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}()
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go func() {
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a.logger.Debug("Starting WS Health notifier...")
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a.startWSHealth()
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}()
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go func() {
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a.logger.Debug("Starting Interval updater...")
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a.startIntervalUpdater()
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}()
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go func() {
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a.logger.Debug("Starting periodical timer...")
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a.startPeriodicalTasks()
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}()
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return nil
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}
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