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determined.go
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determined.go
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package server
import (
"context"
"crypto/tls"
"fmt"
"net/url"
"strings"
"time"
"github.com/pachyderm/pachyderm/v2/src/internal/backoff"
"github.com/pachyderm/pachyderm/v2/src/internal/errors"
"github.com/pachyderm/pachyderm/v2/src/internal/log"
"github.com/pachyderm/pachyderm/v2/src/pps"
"go.uber.org/zap"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
det "github.com/determined-ai/determined/proto/pkg/apiv1"
"github.com/determined-ai/determined/proto/pkg/rbacv1"
"github.com/determined-ai/determined/proto/pkg/userv1"
"github.com/determined-ai/determined/proto/pkg/workspacev1"
mlc "github.com/pachyderm/pachyderm/v2/src/internal/middleware/logging/client"
)
func (a *apiServer) hookDeterminedPipeline(ctx context.Context, p *pps.Pipeline, workspaces []string, pipPassword string, whoami string) error {
var cf context.CancelFunc
ctx, cf = context.WithTimeout(ctx, 60*time.Second)
defer cf()
errCnt := 0
// right now the entire integration is specifc to auth, so first check that auth is active
if err := backoff.RetryUntilCancel(ctx, func() error {
tlsOpt := grpc.WithTransportCredentials(insecure.NewCredentials())
if a.env.Config.DeterminedTLS {
tlsOpt = grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
InsecureSkipVerify: true,
}))
}
determinedURL, err := url.Parse(a.env.Config.DeterminedURL)
if err != nil {
return errors.Wrapf(err, "parsing determined url %q", a.env.Config.DeterminedURL)
}
conn, err := grpc.DialContext(ctx, determinedURL.Host, tlsOpt, grpc.WithStreamInterceptor(mlc.LogStream), grpc.WithUnaryInterceptor(mlc.LogUnary))
if err != nil {
return errors.Wrapf(err, "dialing determined at %q", determinedURL.Host)
}
defer conn.Close()
dc := det.NewDeterminedClient(conn)
tok, err := mintDeterminedToken(ctx, dc, a.env.Config.DeterminedUsername, a.env.Config.DeterminedPassword)
if err != nil {
return err
}
ctx = metadata.AppendToOutgoingContext(ctx, "x-user-token", fmt.Sprintf("Bearer %s", tok))
detWorkspaces, err := resolveDeterminedWorkspaces(ctx, dc, workspaces)
if err != nil {
return err
}
if err := validateWorkspacePermissions(ctx, dc, detWorkspaces); err != nil {
return err
}
if err := validateWorkspacePermsByUser(ctx, dc, whoami, detWorkspaces); err != nil {
return err
}
userId, err := provisionDeterminedPipelineUser(ctx, dc, p, pipPassword)
if err != nil {
return err
}
roleId, err := workspaceEditorRoleId(ctx, dc)
if err != nil {
return err
}
if err := assignDeterminedPipelineRole(ctx, dc, userId, roleId, detWorkspaces); err != nil {
return err
}
return nil
}, &backoff.ZeroBackOff{}, func(err error, _ time.Duration) error {
log.Info(ctx, "determined hook error", zap.Error(err))
errCnt++
if errCnt >= 3 {
return err
}
return nil
}); err != nil {
return err
}
return nil
}
func workspaceEditorRoleId(ctx context.Context, dc det.DeterminedClient) (int32, error) {
resp, err := dc.ListRoles(ctx, &det.ListRolesRequest{})
if err != nil {
return 0, errors.Wrap(err, "search determined roles")
}
for _, r := range resp.Roles {
if r.Name == "Editor" {
return r.RoleId, nil
}
}
return 0, errors.Errorf("workspaceEditor role not found")
}
func resolveDeterminedWorkspaces(ctx context.Context, dc det.DeterminedClient, workspaces []string) ([]*workspacev1.Workspace, error) {
workspacesResp, err := dc.GetWorkspaces(ctx, &det.GetWorkspacesRequest{})
if err != nil {
return nil, errors.Wrap(err, "list determined workspaces")
}
workspaceSet := make(map[string]struct{})
for _, w := range workspaces {
workspaceSet[w] = struct{}{}
}
res := make([]*workspacev1.Workspace, 0)
for _, dw := range workspacesResp.Workspaces {
if _, ok := workspaceSet[dw.Name]; ok {
res = append(res, dw)
delete(workspaceSet, dw.Name)
}
}
if len(workspaceSet) > 0 {
var errWorkspaces []string
for w := range workspaceSet {
errWorkspaces = append(errWorkspaces, w)
}
return nil, errors.Errorf("requested workspaces not found: %v", errWorkspaces)
}
return res, nil
}
func mintDeterminedToken(ctx context.Context, dc det.DeterminedClient, username, password string) (string, error) {
loginResp, err := dc.Login(ctx, &det.LoginRequest{
Username: username,
Password: password,
})
if err != nil {
return "", errors.Wrap(err, "login as determined user")
}
return loginResp.Token, nil
}
func validateWorkspacePermsByUser(ctx context.Context, dc det.DeterminedClient, user string, ws []*workspacev1.Workspace) error {
detUser, err := dc.GetUserByUsername(ctx, &det.GetUserByUsernameRequest{Username: user})
if err != nil {
return errors.Wrapf(err, "get determined user %q", user)
}
resp, err := dc.GetRolesAssignedToUser(ctx, &det.GetRolesAssignedToUserRequest{UserId: detUser.User.Id})
if err != nil {
return errors.Wrapf(err, "get roles assigned to user %q", user)
}
workspaceMap := make(map[int32]*workspacev1.Workspace)
for _, w := range ws {
workspaceMap[w.Id] = w
}
for _, r := range resp.Roles {
relevant := false
for _, p := range r.Role.Permissions {
if p.Id == rbacv1.PermissionType_PERMISSION_TYPE_EDIT_MODEL_REGISTRY {
relevant = true
}
}
if !relevant {
continue
}
for _, a := range r.UserRoleAssignments {
// if user is editor of the cluster, exit early
if a.RoleAssignment.ScopeCluster {
return nil
}
delete(workspaceMap, *a.RoleAssignment.ScopeWorkspaceId)
}
}
if len(workspaceMap) > 0 {
var workspaces []string
for _, w := range workspaceMap {
workspaces = append(workspaces, w.Name)
}
return errors.Errorf("user %q doesn't have editor access for determined workspaces: %v", user, workspaces)
}
return nil
}
func validateWorkspacePermissions(ctx context.Context, dc det.DeterminedClient, dws []*workspacev1.Workspace) error {
resp, err := dc.GetPermissionsSummary(ctx, &det.GetPermissionsSummaryRequest{})
if err != nil {
return errors.Wrap(err, "list determined user permissions")
}
assignRoleIds := make(map[int32]struct{})
for _, r := range resp.Roles {
for _, p := range r.Permissions {
if p.Id == rbacv1.PermissionType_PERMISSION_TYPE_ASSIGN_ROLES {
assignRoleIds[r.RoleId] = struct{}{}
break
}
}
}
dwMap := make(map[int32]*workspacev1.Workspace)
for _, dw := range dws {
dwMap[dw.Id] = dw
}
for _, a := range resp.Assignments {
if _, ok := assignRoleIds[a.RoleId]; ok {
if a.ScopeCluster {
return nil
}
for _, id := range a.ScopeWorkspaceIds {
delete(dwMap, id)
}
}
}
if len(dwMap) > 0 {
var workspaces []string
for _, dw := range dwMap {
workspaces = append(workspaces, dw.Name)
}
return errors.Errorf("access required for determined workspaces: %v", workspaces)
}
return nil
}
func provisionDeterminedPipelineUser(ctx context.Context, dc det.DeterminedClient, p *pps.Pipeline, password string) (int32, error) {
resp, err := dc.PostUser(ctx, &det.PostUserRequest{
User: &userv1.User{Username: pipelineUserName(p), Active: true},
Password: password,
})
if err != nil {
if status.Code(err) == codes.InvalidArgument && strings.Contains(err.Error(), "user already exists") {
usersResp, err := dc.GetUsers(ctx, &det.GetUsersRequest{Name: pipelineUserName(p)})
if err != nil {
return 0, errors.Wrapf(err, "get determined user %q", pipelineUserName(p))
}
if len(usersResp.Users) == 0 {
return 0, errors.Wrapf(err, "no determined users return for user %q", pipelineUserName(p))
}
if _, err := dc.SetUserPassword(ctx, &det.SetUserPasswordRequest{
UserId: usersResp.Users[0].Id,
Password: password,
}); err != nil {
return 0, errors.Wrapf(err, "set password for user %q", pipelineUserName(p))
}
return usersResp.Users[0].Id, nil
}
return 0, errors.Wrap(err, "provision determined user")
}
return resp.User.Id, nil
}
func assignDeterminedPipelineRole(ctx context.Context, dc det.DeterminedClient, userId int32, roleId int32, workspaces []*workspacev1.Workspace) error {
var roleAssignments []*rbacv1.UserRoleAssignment
for _, w := range workspaces {
roleAssignments = append(roleAssignments,
&rbacv1.UserRoleAssignment{
UserId: userId,
RoleAssignment: &rbacv1.RoleAssignment{
Role: &rbacv1.Role{
RoleId: roleId,
},
ScopeWorkspaceId: &w.Id,
},
},
)
}
if _, err := dc.AssignRoles(ctx, &det.AssignRolesRequest{
UserRoleAssignments: roleAssignments,
}); err != nil && !strings.Contains(err.Error(), "already exists") {
return errors.Wrap(err, "assign pipeline's determined user editor role")
}
return nil
}
func pipelineUserName(p *pps.Pipeline) string {
// users with names containing '/' don't work correctly in determined.
return strings.ReplaceAll(p.String(), "/", "_")
}