Warmup IDP cache

management/server/account.go

@@ -13,16 +13,19 @@ import (
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"math/rand"
 	"reflect"
 	"strings"
 	"sync"
 	"time"
 )
 
 const (
-	PublicCategory  = "public"
-	PrivateCategory = "private"
-	UnknownCategory = "unknown"
+	PublicCategory     = "public"
+	PrivateCategory    = "private"
+	UnknownCategory    = "unknown"
+	CacheExpirationMax = 7 * 24 * 3600 * time.Second // 7 days
+	CacheExpirationMin = 3 * 24 * 3600 * time.Second // 3 days
 )
 
 type AccountManager interface {
@@ -173,14 +176,46 @@ func BuildManager(
 		}
 	}
 
-	gocacheClient := gocache.New(7*24*time.Hour, 30*time.Minute)
+	gocacheClient := gocache.New(CacheExpirationMax, 30*time.Minute)
 	gocacheStore := cacheStore.NewGoCache(gocacheClient, nil)
 
 	am.cacheManager = cache.NewLoadable(am.loadFromCache, cache.New(gocacheStore))
+
+	if !isNil(am.idpManager) {
+		go func() {
+			err := am.warmupIDPCache()
+			if err != nil {
+				log.Warnf("failed warming up cache due to error: %v", err)
+				//todo retry?
+				return
+			}
+		}()
+	}
+
 	return am, nil
 
 }
 
+func (am *DefaultAccountManager) warmupIDPCache() error {
+	userData, err := am.idpManager.GetAllAccounts()
+	if err != nil {
+		return err
+	}
+
+	for accountID, users := range userData {
+		rand.Seed(time.Now().UnixNano())
+
+		r := rand.Intn(int(CacheExpirationMax.Milliseconds()-CacheExpirationMin.Milliseconds())) + int(CacheExpirationMin.Milliseconds())
+		expiration := time.Duration(r) * time.Millisecond
+		err = am.cacheManager.Set(am.ctx, accountID, users, &cacheStore.Options{Expiration: expiration})
+		if err != nil {
+			return err
+		}
+	}
+	log.Infof("warmed up IDP cache with %d entries", len(userData))
+	return nil
+}
+
 // AddSetupKey generates a new setup key with a given name and type, and adds it to the specified account
 func (am *DefaultAccountManager) AddSetupKey(
 	accountId string,
@@ -332,7 +367,7 @@ func mergeLocalAndQueryUser(queried idp.UserData, local User) *UserInfo {
 }
 
 func (am *DefaultAccountManager) loadFromCache(ctx context.Context, accountID interface{}) (interface{}, error) {
-	return am.idpManager.GetBatchedUserData(fmt.Sprintf("%v", accountID))
+	return am.idpManager.GetAccount(fmt.Sprintf("%v", accountID))
 }
 
 func (am *DefaultAccountManager) lookupCache(accountUsers map[string]*User, accountID string) ([]*idp.UserData, error) {

management/server/idp/auth0.go

@@ -1,6 +1,9 @@
 package idp
 
 import (
+	"bytes"
+	"compress/gzip"
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -51,6 +54,43 @@ type Auth0Credentials struct {
 	mux          sync.Mutex
 }
 
+type UserExportJobRequest struct {
+	Format string              `json:"format"`
+	Fields []map[string]string `json:"fields"`
+}
+
+type UserExportJobResponse struct {
+	Type         string    `json:"type"`
+	Status       string    `json:"status"`
+	ConnectionId string    `json:"connection_id"`
+	Format       string    `json:"format"`
+	Limit        int       `json:"limit"`
+	Connection   string    `json:"connection"`
+	CreatedAt    time.Time `json:"created_at"`
+	Id           string    `json:"id"`
+}
+
+type ExportJobStatusResponse struct {
+	Type         string    `json:"type"`
+	Status       string    `json:"status"`
+	ConnectionId string    `json:"connection_id"`
+	Format       string    `json:"format"`
+	Limit        int       `json:"limit"`
+	Location     string    `json:"location"`
+	Connection   string    `json:"connection"`
+	CreatedAt    time.Time `json:"created_at"`
+	Id           string    `json:"id"`
+}
+
+type Auth0Profile struct {
+	AccountId string `json:"wt_account_id"`
+	UserID    string `json:"user_id"`
+	Name      string `json:"name"`
+	Email     string `json:"email"`
+	CreatedAt string `json:"created_at"`
+	LastLogin string `json:"last_login"`
+}
+
 // NewAuth0Manager creates a new instance of the Auth0Manager
 func NewAuth0Manager(config Auth0ClientConfig) (*Auth0Manager, error) {
 
@@ -205,7 +245,7 @@ func requestByUserIdUrl(authIssuer, userId string) string {
 }
 
 // GetBatchedUserData requests users in batches from Auth0
-func (am *Auth0Manager) GetBatchedUserData(accountId string) ([]*UserData, error) {
+func (am *Auth0Manager) GetAccount(accountId string) ([]*UserData, error) {
 	jwtToken, err := am.credentials.Authenticate()
 	if err != nil {
 		return nil, err
@@ -359,3 +399,211 @@ func (am *Auth0Manager) UpdateUserAppMetadata(userId string, appMetadata AppMeta
 
 	return nil
 }
+
+func buildUserExportRequest() (string, error) {
+	req := &UserExportJobRequest{}
+	fields := make([]map[string]string, 0)
+
+	for _, field := range []string{"created_at", "last_login", "user_id", "email", "name"} {
+		fields = append(fields, map[string]string{"name": field})
+	}
+
+	fields = append(fields, map[string]string{
+		"name":      "app_metadata.wt_account_id",
+		"export_as": "wt_account_id",
+	})
+
+	req.Format = "json"
+	req.Fields = fields
+
+	str, err := json.Marshal(req)
+	if err != nil {
+		return "", err
+	}
+
+	return string(str), nil
+}
+
+// GetAllAccounts gets all registered accounts with corresponding user data.
+// It returns a list of users indexed by accountID.
+func (am *Auth0Manager) GetAllAccounts() (map[string][]*UserData, error) {
+	jwtToken, err := am.credentials.Authenticate()
+	if err != nil {
+		return nil, err
+	}
+
+	reqURL := am.authIssuer + "/api/v2/jobs/users-exports"
+
+	payloadString, err := buildUserExportRequest()
+	if err != nil {
+		return nil, err
+	}
+	payload := strings.NewReader(payloadString)
+
+	exportJobReq, err := http.NewRequest("POST", reqURL, payload)
+	if err != nil {
+		return nil, err
+	}
+	exportJobReq.Header.Add("authorization", "Bearer "+jwtToken.AccessToken)
+	exportJobReq.Header.Add("content-type", "application/json")
+
+	jobResp, err := am.httpClient.Do(exportJobReq)
+	if err != nil {
+		log.Debugf("Couldn't get job response %v", err)
+		return nil, err
+	}
+
+	defer func() {
+		err = jobResp.Body.Close()
+		if err != nil {
+			log.Errorf("error while closing update user app metadata response body: %v", err)
+		}
+	}()
+	if jobResp.StatusCode != 200 {
+		return nil, fmt.Errorf("unable to update the appMetadata, statusCode %d", jobResp.StatusCode)
+	}
+
+	var exportJobResp UserExportJobResponse
+
+	body, err := ioutil.ReadAll(jobResp.Body)
+	if err != nil {
+		log.Debugf("Coudln't read export job response; %v", err)
+		return nil, err
+	}
+
+	err = am.helper.Unmarshal(body, &exportJobResp)
+	if err != nil {
+		log.Debugf("Coudln't unmarshal export job response; %v", err)
+		return nil, err
+	}
+
+	if exportJobResp.Id == "" {
+		return nil, fmt.Errorf("couldn't get an batch id status %d, %s, response body: %v", jobResp.StatusCode, jobResp.Status, exportJobResp)
+	}
+
+	log.Debugf("batch id status %d, %s, response body: %v", jobResp.StatusCode, jobResp.Status, exportJobResp)
+
+	done, downloadLink, err := am.checkExportJobStatus(exportJobResp.Id)
+	if err != nil {
+		log.Debugf("Failed at getting status checks from exportJob; %v", err)
+		return nil, err
+	}
+
+	if done {
+		return am.downloadProfileExport(downloadLink)
+	}
+
+	return nil, fmt.Errorf("failed extracting user profiles from auth0")
+}
+
+// checkExportJobStatus checks the status of the job created at CreateExportUsersJob.
+// If the status is "completed", then return the downloadLink
+func (am *Auth0Manager) checkExportJobStatus(jobId string) (bool, string, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
+	defer cancel()
+	retry := time.NewTicker(10 * time.Second)
+	for {
+		select {
+		case <-ctx.Done():
+			log.Debugf("Export job status stopped...\n")
+			return false, "", ctx.Err()
+		case <-retry.C:
+			jwtToken, err := am.credentials.Authenticate()
+			if err != nil {
+				return false, "", err
+			}
+
+			statusUrl := am.authIssuer + "/api/v2/jobs/" + jobId
+			body, err := doGetReq(am.httpClient, statusUrl, jwtToken.AccessToken)
+			if err != nil {
+				return false, "", err
+			}
+
+			var status ExportJobStatusResponse
+			err = am.helper.Unmarshal(body, &status)
+			if err != nil {
+				return false, "", err
+			}
+
+			log.Debugf("current export job status is %v", status.Status)
+
+			if status.Status != "completed" {
+				continue
+			}
+
+			return true, status.Location, nil
+		}
+	}
+}
+
+// downloadProfileExport downloads user profiles from auth0 batch job
+func (am *Auth0Manager) downloadProfileExport(location string) (map[string][]*UserData, error) {
+	body, err := doGetReq(am.httpClient, location, "")
+	if err != nil {
+		return nil, err
+	}
+
+	bodyReader := bytes.NewReader(body)
+
+	gzipReader, err := gzip.NewReader(bodyReader)
+	if err != nil {
+		return nil, err
+	}
+
+	decoder := json.NewDecoder(gzipReader)
+
+	res := make(map[string][]*UserData)
+	for decoder.More() {
+		profile := Auth0Profile{}
+		err = decoder.Decode(&profile)
+		if err != nil {
+			return nil, err
+		}
+		if profile.AccountId != "" {
+			if _, ok := res[profile.AccountId]; !ok {
+				res[profile.AccountId] = []*UserData{}
+			}
+			res[profile.AccountId] = append(res[profile.AccountId],
+				&UserData{
+					ID:    profile.UserID,
+					Name:  profile.Name,
+					Email: profile.Email,
+				})
+		}
+	}
+
+	return res, nil
+}
+
+// Boilerplate implementation for Get Requests.
+func doGetReq(client ManagerHTTPClient, url, accessToken string) ([]byte, error) {
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	if accessToken != "" {
+		req.Header.Add("authorization", "Bearer "+accessToken)
+	}
+
+	res, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	defer func() {
+		err = res.Body.Close()
+		if err != nil {
+			log.Errorf("error while closing body for url %s: %v", url, err)
+		}
+	}()
+	if res.StatusCode != 200 {
+		return nil, fmt.Errorf("unable to get %s, statusCode %d", url, res.StatusCode)
+	}
+
+	body, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		return nil, err
+	}
+	return body, nil
+}

management/server/idp/idp.go

@@ -11,7 +11,8 @@ import (
 type Manager interface {
 	UpdateUserAppMetadata(userId string, appMetadata AppMetadata) error
 	GetUserDataByID(userId string, appMetadata AppMetadata) (*UserData, error)
-	GetBatchedUserData(accountId string) ([]*UserData, error)
+	GetAccount(accountId string) ([]*UserData, error)
+	GetAllAccounts() (map[string][]*UserData, error)
 }
 
 // Config an idp configuration struct to be loaded from management server's config file