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xds: Use management server from go-control-plane. (#4039)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| /* | ||
| * | ||
| * Copyright 2020 gRPC authors. | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
|
|
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| package e2e | ||
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|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
|
|
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| "google.golang.org/grpc/xds/internal/env" | ||
| ) | ||
|
|
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| // TransportAPI refers to the API version for xDS transport protocol. | ||
| type TransportAPI int | ||
|
|
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| const ( | ||
| // TransportV2 refers to the v2 xDS transport protocol. | ||
| TransportV2 TransportAPI = iota | ||
| // TransportV3 refers to the v3 xDS transport protocol. | ||
| TransportV3 | ||
| ) | ||
|
|
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| // BootstrapOptions wraps the parameters passed to SetupBootstrapFile. | ||
| type BootstrapOptions struct { | ||
| // Version is the xDS transport protocol version. | ||
| Version TransportAPI | ||
| // NodeID is the node identifier of the gRPC client/server node in the | ||
| // proxyless service mesh. | ||
| NodeID string | ||
| // ServerURI is the address of the management server. | ||
| ServerURI string | ||
| } | ||
|
|
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| // SetupBootstrapFile creates a temporary file with bootstrap contents, based on | ||
| // the passed in options, and updates the bootstrap environment variable to | ||
| // point to this file. | ||
| // | ||
| // Returns a cleanup function which will be non-nil if the setup process was | ||
| // completed successfully. It is the responsibility of the caller to invoke the | ||
| // cleanup function at the end of the test. | ||
| func SetupBootstrapFile(opts BootstrapOptions) (func(), error) { | ||
| f, err := ioutil.TempFile("", "test_xds_bootstrap_*") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to created bootstrap file: %v", err) | ||
| } | ||
|
|
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| cfg := &bootstrapConfig{ | ||
| XdsServers: []server{ | ||
| { | ||
| ServerURI: opts.ServerURI, | ||
| ChannelCreds: []creds{ | ||
| { | ||
| Type: "insecure", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| Node: node{ | ||
| ID: opts.NodeID, | ||
| }, | ||
| } | ||
| switch opts.Version { | ||
| case TransportV2: | ||
| // TODO: Add any v2 specific fields. | ||
| case TransportV3: | ||
| cfg.ServerFeatures = append(cfg.ServerFeatures, "xds_v3") | ||
| default: | ||
| return nil, fmt.Errorf("unsupported xDS transport protocol version: %v", opts.Version) | ||
| } | ||
|
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| bootstrapContents, err := json.MarshalIndent(cfg, "", " ") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to created bootstrap file: %v", err) | ||
| } | ||
| if err := ioutil.WriteFile(f.Name(), bootstrapContents, 0644); err != nil { | ||
| return nil, fmt.Errorf("failed to created bootstrap file: %v", err) | ||
| } | ||
| logger.Infof("Created bootstrap file at %q with contents: %s\n", f.Name(), bootstrapContents) | ||
|
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| origBootstrapFileName := env.BootstrapFileName | ||
| env.BootstrapFileName = f.Name() | ||
| return func() { | ||
| os.Remove(f.Name()) | ||
| env.BootstrapFileName = origBootstrapFileName | ||
| }, nil | ||
| } | ||
|
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| type bootstrapConfig struct { | ||
| XdsServers []server `json:"xds_servers,omitempty"` | ||
| Node node `json:"node,omitempty"` | ||
| ServerFeatures []string `json:"server_features,omitempty"` | ||
| } | ||
|
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| type server struct { | ||
| ServerURI string `json:"server_uri,omitempty"` | ||
| ChannelCreds []creds `json:"channel_creds,omitempty"` | ||
| } | ||
|
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| type creds struct { | ||
| Type string `json:"type,omitempty"` | ||
| Config interface{} `json:"config,omitempty"` | ||
| } | ||
|
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| type node struct { | ||
| ID string `json:"id,omitempty"` | ||
| } |
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