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[ws-manager] Explicitly proxy image-builder #9714
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| // Copyright (c) 2022 Gitpod GmbH. All rights reserved. | ||
| // Licensed under the GNU Affero General Public License (AGPL). | ||
| // See License-AGPL.txt in the project root for license information. | ||
|
|
||
| package proxy | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/gitpod-io/gitpod/image-builder/api" | ||
| "google.golang.org/protobuf/proto" | ||
| ) | ||
|
|
||
| type ImageBuilder struct { | ||
| D api.ImageBuilderClient | ||
|
|
||
| api.UnimplementedImageBuilderServer | ||
| } | ||
|
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||
| func (p ImageBuilder) ResolveBaseImage(ctx context.Context, req *api.ResolveBaseImageRequest) (*api.ResolveBaseImageResponse, error) { | ||
| return p.D.ResolveBaseImage(ctx, req) | ||
| } | ||
|
|
||
| func (p ImageBuilder) ResolveWorkspaceImage(ctx context.Context, req *api.ResolveWorkspaceImageRequest) (*api.ResolveWorkspaceImageResponse, error) { | ||
| return p.D.ResolveWorkspaceImage(ctx, req) | ||
| } | ||
|
|
||
| func (p ImageBuilder) Build(req *api.BuildRequest, srv api.ImageBuilder_BuildServer) error { | ||
| c, err := p.D.Build(srv.Context(), req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer c.CloseSend() | ||
|
|
||
| return forwardStream(srv.Context(), c.Recv, srv.Send) | ||
| } | ||
|
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| func (p ImageBuilder) Logs(req *api.LogsRequest, srv api.ImageBuilder_LogsServer) error { | ||
| c, err := p.D.Logs(srv.Context(), req) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer c.CloseSend() | ||
|
|
||
| return forwardStream(srv.Context(), c.Recv, srv.Send) | ||
| } | ||
|
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| func (p ImageBuilder) ListBuilds(ctx context.Context, req *api.ListBuildsRequest) (*api.ListBuildsResponse, error) { | ||
| return p.D.ListBuilds(ctx, req) | ||
| } | ||
|
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| type ProtoMessage interface { | ||
| proto.Message | ||
| comparable | ||
| } | ||
|
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| func forwardStream[R ProtoMessage](ctx context.Context, recv func() (R, error), send func(R) error) error { | ||
| for { | ||
| resp, err := recv() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| // generic hack, can't compare R to nil because R's default value is unclear (not even sure this is nil) | ||
| // But, we can get the default value which will be nil because underneath R is an interface. | ||
| var defaultResp R | ||
| if resp == defaultResp { | ||
| break | ||
| } | ||
| err = send(resp) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
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🏅