google cloud vertex ai API로 text 생성 Gemini Pro 사용법
google cloud vertex ai API로 text 생성 Gemini Pro 사용법 
//------------------------------------- 
Google Cloud SDK설치 
https://cloud.google.com/sdk/?hl=ko
https://cloud.google.com/sdk/docs/install-sdk?hl=ko
* 윈도우 
GoogleCloudSDKInstaller.exe 다운로드 실행 
https://dl.google.com/dl/cloudsdk/channels/rapid/GoogleCloudSDKInstaller.exe
- 초기화 
> gcloud init  
* 우분투에 설치 
sudo apt-get update 
- 기본툴 설치 
sudo apt-get install apt-transport-https ca-certificates gnupg curl sudo 
- 공개키 가져오기 
curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /usr/share/keyrings/cloud.google.gpg 
- gcloud CLI 배포 URI를 추가 
echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list 
- gcloud CLI를  설치 
sudo apt-get install google-cloud-cli 
//------------------------------------- 
- 초기화 설정 
gcloud init 
- 계정 설정 보기 
gcloud auth list 
- 설정 보기 
gcloud config list 
//------------------------------------- 
> gcloud auth login 
- $(gcloud auth print-access-token) 값 알아내기 명령 
> gcloud auth print-access-token 
- 자동 인증 설정 
> gcloud auth application-default login 
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서비스계정의 json 파일로 인증하는 방법 
* 서비스 계정 생성 
서비스계정 생성 
https://console.cloud.google.com/iam-admin/serviceaccounts
계정 생성후 권한은 최소한으로 부여하고(vertex) key 생성 
- 윈도우 
set GOOGLE_APPLICATION_CREDENTIALS="JSON 파일" 
gcloud auth activate-service-account --key-file="JSON 파일" 
- 리눅스 
export GOOGLE_APPLICATION_CREDENTIALS="JSON 파일" 
gcloud auth activate-service-account --key-file=$GOOGLE_APPLICATION_CREDENTIALS 
- 토큰 생성 테스트 
gcloud auth print-access-token 
gcloud auth list 
gcloud auth revoke 계정이름(이메일형식) 
//------------------------------------- 
vertex-ai gemini 메뉴얼 
https://cloud.google.com/vertex-ai/docs/generative-ai/model-reference/gemini
vertex project 
https://console.cloud.google.com/vertex-ai/generative/language/create/text?project=voltaic-sandbox-407808
//-------------------------------------
* CURL 실행 명령 예제
API_ENDPOINT="asia-northeast3-aiplatforhttp://m.googleapis.com" 
PROJECT_ID="voltaic-sandbox-XX" 
MODEL_ID="gemini-pro" 
LOCATION_ID="asia-northeast3" 
curl \ 
-X POST \ 
-H "Authorization: Bearer $(gcloud auth print-access-token)" \ 
-H "Content-Type: application/json" \ 
"https://${API_ENDPOINT}/v1beta1/projects/${PROJECT_ID}/locations/${LOCATION_ID}/publishers/google/models/${MODEL_ID}:streamGenerateContent" -d \ 
$'{ 
    "contents": [ 
        { 
            "role": "user", 
            "parts": [ 
                { 
                    "text": "What is the name of the current president of South Korea?" 
                } 
            ] 
        } 
    ], 
    "generation_config": { 
        "maxOutputTokens": 2048, 
        "temperature": 0.9, 
        "topP": 1 
    } 
}'