/
sync.go
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/
sync.go
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// Copyright (c) 2020, Amazon.com, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package internal
import (
"context"
"github.com/pdffillerdocker/sso-gsuite-user-sync/internal/aws"
"github.com/pdffillerdocker/sso-gsuite-user-sync/internal/config"
"github.com/pdffillerdocker/sso-gsuite-user-sync/internal/google"
"github.com/hashicorp/go-retryablehttp"
log "github.com/sirupsen/logrus"
)
// SyncGSuite is the interface for synchronising users/groups
type SyncGSuite interface {
SyncUsers() error
}
// SyncGSuite is an object type that will synchronise real users and groups
type syncGSuite struct {
aws aws.Client
google google.Client
cfg *config.Config
users map[string]*aws.User
}
// New will create a new SyncGSuite object
func New(cfg *config.Config, a aws.Client, g google.Client) SyncGSuite {
return &syncGSuite{
aws: a,
google: g,
cfg: cfg,
users: make(map[string]*aws.User),
}
}
// SyncUsers will Sync Google Users to AWS SSO SCIM
func (s *syncGSuite) SyncUsers() error {
log.Debug("get deleted users")
deletedUsers, err := s.google.GetDeletedUsers()
if err != nil {
log.Warn("Error Getting Deleted Users")
return err
}
for _, u := range deletedUsers {
log.WithFields(log.Fields{
"email": u.PrimaryEmail,
}).Info("deleting google user")
uu, err := s.aws.FindUserByEmail(u.PrimaryEmail)
if err != aws.ErrUserNotFound && err != nil {
log.WithFields(log.Fields{
"email": u.PrimaryEmail,
}).Warn("Error deleting google user")
return err
}
if err == aws.ErrUserNotFound {
log.WithFields(log.Fields{
"email": u.PrimaryEmail,
}).Debug("User already deleted")
continue
}
if err := s.aws.DeleteUser(uu); err != nil {
log.WithFields(log.Fields{
"email": u.PrimaryEmail,
}).Warn("Error deleting user")
return err
}
}
log.Debug("get active google users")
googleUsers, err := s.google.GetUsers()
if err != nil {
return err
}
for _, u := range googleUsers {
if s.ignoreUser(u.PrimaryEmail) {
continue
}
ll := log.WithFields(log.Fields{
"email": u.PrimaryEmail,
})
ll.Debug("finding user")
uu, _ := s.aws.FindUserByEmail(u.PrimaryEmail)
if uu != nil {
s.users[uu.Username] = uu
// Update the user when suspended state is changed
if uu.Active == u.Suspended {
log.Debug("Mismatch active/suspended, updating user")
// create new user object and update the user
_, err := s.aws.UpdateUser(aws.UpdateUser(
uu.ID,
u.Name.GivenName,
u.Name.FamilyName,
u.PrimaryEmail,
!u.Suspended))
if err != nil {
return err
}
}
continue
}
ll.Info("creating user ")
uu, err := s.aws.CreateUser(aws.NewUser(
u.Name.GivenName,
u.Name.FamilyName,
u.PrimaryEmail,
!u.Suspended))
if err != nil {
return err
}
s.users[uu.Username] = uu
}
return nil
}
// DoSync will create a logger and run the sync with the paths
// given to do the sync.
func DoSync(ctx context.Context, cfg *config.Config) error {
log.Info("Creating the Google and AWS Clients needed")
creds := []byte(cfg.GoogleCredentials)
creds, err := aws.S3getobject(cfg.SecretBucket, cfg.GoogleCredentials, cfg.SecretBucketRegion)
if err != nil {
return err
}
token, err := aws.S3getobject(cfg.SecretBucket, cfg.SCIMAccessToken, cfg.SecretBucketRegion)
if err != nil {
return err
}
// create a http client with retry and backoff capabilities
retryClient := retryablehttp.NewClient()
retryClient.Logger = log.StandardLogger()
httpClient := retryClient.StandardClient()
googleClient, err := google.NewClient(ctx, cfg.GoogleAdmin, creds)
if err != nil {
return err
}
awsClient, err := aws.NewClient(
httpClient,
&aws.Config{
Endpoint: cfg.SCIMEndpoint,
Token: string(token),
})
if err != nil {
return err
}
c := New(cfg, awsClient, googleClient)
err = c.SyncUsers()
if err != nil {
return err
}
return nil
}
func (s *syncGSuite) ignoreUser(name string) bool {
for _, u := range s.cfg.IgnoreUsers {
if u == name {
return true
}
}
return false
}