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setup.go
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setup.go
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package setup
import (
"context"
"fmt"
"time"
"github.com/treeverse/lakefs/pkg/auth"
"github.com/treeverse/lakefs/pkg/auth/model"
"github.com/treeverse/lakefs/pkg/config"
"github.com/treeverse/lakefs/pkg/logging"
"github.com/treeverse/lakefs/pkg/permissions"
)
const (
AdminsGroup = "Admins"
SuperUsersGroup = "SuperUsers"
DevelopersGroup = "Developers"
ViewersGroup = "Viewers"
)
func createGroups(ctx context.Context, authService auth.Service, groups []*model.Group) error {
for _, group := range groups {
_, err := authService.CreateGroup(ctx, group)
if err != nil {
return err
}
}
return nil
}
func createPolicies(ctx context.Context, authService auth.Service, policies []*model.Policy) error {
for _, policy := range policies {
err := authService.WritePolicy(ctx, policy, false)
if err != nil {
return err
}
}
return nil
}
func CreateRBACBasePolicies(ctx context.Context, authService auth.Service, ts time.Time) error {
all := []string{permissions.All}
return createPolicies(ctx, authService, []*model.Policy{
{
CreatedAt: ts,
DisplayName: "FSFullAccess",
Statement: auth.MakeStatementForPolicyTypeOrDie("FSFullAccess", all),
},
{
CreatedAt: ts,
DisplayName: "FSReadWriteAll",
Statement: auth.MakeStatementForPolicyTypeOrDie("FSReadWrite", all),
},
{
CreatedAt: ts,
DisplayName: "FSReadAll",
Statement: auth.MakeStatementForPolicyTypeOrDie("FSRead", all),
},
{
CreatedAt: ts,
DisplayName: "RepoManagementFullAccess",
Statement: model.Statements{
{
Action: []string{
"ci:*",
"retention:*",
"branches:*",
"fs:ReadConfig",
},
Resource: permissions.All,
Effect: model.StatementEffectAllow,
},
},
},
{
CreatedAt: ts,
DisplayName: "RepoManagementReadAll",
Statement: auth.MakeStatementForPolicyTypeOrDie("RepoManagementRead", all),
},
{
CreatedAt: ts,
DisplayName: "AuthFullAccess",
Statement: model.Statements{
{
Action: []string{
"auth:*",
},
Resource: permissions.All,
Effect: model.StatementEffectAllow,
},
},
},
{
CreatedAt: ts,
DisplayName: "AuthManageOwnCredentials",
Statement: auth.MakeStatementForPolicyTypeOrDie(
"AuthManageOwnCredentials",
[]string{permissions.UserArn("${user}")},
),
},
})
}
func attachPolicies(ctx context.Context, authService auth.Service, groupID string, policyIDs []string) error {
for _, policyID := range policyIDs {
err := authService.AttachPolicyToGroup(ctx, policyID, groupID)
if err != nil {
return err
}
}
return nil
}
func CreateRBACBaseGroups(ctx context.Context, authService auth.Service, ts time.Time) error {
err := createGroups(ctx, authService, []*model.Group{
{CreatedAt: ts, DisplayName: AdminsGroup},
{CreatedAt: ts, DisplayName: SuperUsersGroup},
{CreatedAt: ts, DisplayName: DevelopersGroup},
{CreatedAt: ts, DisplayName: ViewersGroup},
})
if err != nil {
return err
}
err = CreateRBACBasePolicies(ctx, authService, ts)
if err != nil {
return err
}
err = attachPolicies(ctx, authService, "Admins", []string{"FSFullAccess", "AuthFullAccess", "RepoManagementFullAccess"})
if err != nil {
return err
}
err = attachPolicies(ctx, authService, "SuperUsers", []string{"FSFullAccess", "AuthManageOwnCredentials", "RepoManagementReadAll"})
if err != nil {
return err
}
err = attachPolicies(ctx, authService, "Developers", []string{"FSReadWriteAll", "AuthManageOwnCredentials", "RepoManagementReadAll"})
if err != nil {
return err
}
err = attachPolicies(ctx, authService, "Viewers", []string{"FSReadAll", "AuthManageOwnCredentials"})
if err != nil {
return err
}
return nil
}
// CreateAdminUser setup base groups, policies and create admin user
func CreateAdminUser(ctx context.Context, authService auth.Service, cfg *config.Config, superuser *model.SuperuserConfiguration) (*model.Credential, error) {
// Set up the basic groups and policies
now := time.Now()
err := CreateBaseGroups(ctx, authService, cfg, now)
if err != nil {
return nil, err
}
return AddAdminUser(ctx, authService, superuser, true)
}
func AddAdminUser(ctx context.Context, authService auth.Service, user *model.SuperuserConfiguration, addToAdmins bool) (*model.Credential, error) {
// create admin user
user.Source = "internal"
_, err := authService.CreateUser(ctx, &user.User)
if err != nil {
return nil, fmt.Errorf("create user - %w", err)
}
if addToAdmins {
// verify the admin group exists
_, err = authService.GetGroup(ctx, AdminsGroup)
if err != nil {
return nil, fmt.Errorf("admin group - %w", err)
}
err = authService.AddUserToGroup(ctx, user.Username, AdminsGroup)
if err != nil {
return nil, fmt.Errorf("add user to group - %w", err)
}
}
var creds *model.Credential
if user.AccessKeyID == "" {
// Generate and return a key pair
creds, err = authService.CreateCredentials(ctx, user.Username)
if err != nil {
return nil, fmt.Errorf("create credentials for %s: %w", user.Username, err)
}
} else {
creds, err = authService.AddCredentials(ctx, user.Username, user.AccessKeyID, user.SecretAccessKey)
if err != nil {
return nil, fmt.Errorf("add credentials for %s: %w", user.Username, err)
}
}
return creds, nil
}
func CreateInitialAdminUser(ctx context.Context, authService auth.Service, cfg *config.Config, metadataManger auth.MetadataManager, username string) (*model.Credential, error) {
return CreateInitialAdminUserWithKeys(ctx, authService, cfg, metadataManger, username, nil, nil)
}
func CreateInitialAdminUserWithKeys(ctx context.Context, authService auth.Service, cfg *config.Config, metadataManger auth.MetadataManager, username string, accessKeyID *string, secretAccessKey *string) (*model.Credential, error) {
adminUser := &model.SuperuserConfiguration{
User: model.User{
CreatedAt: time.Now(),
Username: username,
},
}
if accessKeyID != nil && secretAccessKey != nil {
adminUser.AccessKeyID = *accessKeyID
adminUser.SecretAccessKey = *secretAccessKey
}
// create first admin user
var (
cred *model.Credential
err error
)
if cfg.IsAuthBasic() {
if cred, err = AddAdminUser(ctx, authService, adminUser, false); err != nil {
return nil, err
}
} else if cred, err = CreateAdminUser(ctx, authService, cfg, adminUser); err != nil {
return nil, err
}
// update setup timestamp
if err = metadataManger.UpdateSetupTimestamp(ctx, time.Now()); err != nil {
logging.FromContext(ctx).WithError(err).Error("Failed the update setup timestamp")
}
return cred, err
}
func CreateBaseGroups(ctx context.Context, authService auth.Service, cfg *config.Config, ts time.Time) error {
if !cfg.IsAdvancedAuth() {
return nil
}
return CreateRBACBaseGroups(ctx, authService, ts)
}