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Merge pull request #3413 from justinsb/switch_ai_endpoint_to_vertexai
chore: switch controllerbuilder to use vertexai gemini endpoint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright 2024 Google LLC | ||
| // | ||
| // 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 llm | ||
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
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| "cloud.google.com/go/vertexai/genai" | ||
| "google.golang.org/api/option" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
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| // BuildGeminiClient builds a client for the Gemini API. | ||
| func BuildGeminiClient(ctx context.Context) (*genai.Client, error) { | ||
| log := klog.FromContext(ctx) | ||
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| var opts []option.ClientOption | ||
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| if s := os.Getenv("GEMINI_API_KEY"); s != "" { | ||
| opts = append(opts, option.WithAPIKey(s)) | ||
| } | ||
| // else { | ||
| // creds, err := google.FindDefaultCredentials(ctx, "https://www.googleapis.com/auth/generative-language", "https://www.googleapis.com/auth/cloud-platform") | ||
| // if err != nil { | ||
| // return nil, fmt.Errorf("finding default credentials: %w", err) | ||
| // } | ||
| // opts = append(opts, option.WithCredentials(creds)) | ||
| // } | ||
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| projectID := "" | ||
| location := "" | ||
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| if projectID == "" { | ||
| cmd := exec.CommandContext(ctx, "gcloud", "config", "get", "project") | ||
| var stdout bytes.Buffer | ||
| cmd.Stdout = &stdout | ||
| if err := cmd.Run(); err != nil { | ||
| return nil, fmt.Errorf("cannot get project (using gcloud config get project): %w", err) | ||
| } | ||
| projectID = strings.TrimSpace(stdout.String()) | ||
| if projectID == "" { | ||
| return nil, fmt.Errorf("project was not set in gcloud config") | ||
| } | ||
| log.Info("got project from gcloud config", "project", projectID) | ||
| } | ||
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| client, err := genai.NewClient(ctx, projectID, location, opts...) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("building gemini client: %w", err) | ||
| } | ||
| return client, nil | ||
| } |
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