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# ✅ Check project permissions ## role 확인 ☰ > AM & Admin > IAM > Navigation menu > Home Compute Engine default service account `{project-number}[email protected]`에 `edit` 권한이 있는지 확인 # Task 1. Create a Cloud SQL instance ☰ > SQL > Create instance > Choose MySQL [Create] ![image](https://user-images.githubusercontent.com/16316626/152930977-dc97e190-8fcb-4a85-92be-5e7ac8a387f0.png) # Task 2. Create tables > 만드는데 시간이 좀 걸립니다. > 퀵렙에서 SQL을 보고 퀴즈를 푸는 배려를 제공 합니다. ## Connect to the database Connect to this instance > Open Cloud Shell 클라우드 콘솔 접속 접속 $`gcloud sql connect rentals --user=root --quiet` 비밀번호를 입력하면 접속이 되면 커서가 바뀝니다. ``` Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 40 Server version: 5.7.36-google-log (Google) Copyright (c) 2000, 2022, Oracle and/or its affiliates. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> ``` `MySQL > SHOW DATABASES;` ``` > SHOW DATABASES; (Output) mysql> SHOW DATABASES; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 4 rows in set (0.17 sec) ``` 테이블을 생성하는 SQL을 복사해서 붙여 넣습니다. ``` CREATE DATABASE IF NOT EXISTS recommendation_spark; USE recommendation_spark; DROP TABLE IF EXISTS Recommendation; DROP TABLE IF EXISTS Rating; DROP TABLE IF EXISTS Accommodation; CREATE TABLE IF NOT EXISTS Accommodation ( id varchar(255), title varchar(255), location varchar(255), price int, rooms int, rating float, type varchar(255), PRIMARY KEY (ID) ); CREATE TABLE IF NOT EXISTS Rating ( userId varchar(255), accoId varchar(255), rating int, PRIMARY KEY(accoId, userId), FOREIGN KEY (accoId) REFERENCES Accommodation(id) ); CREATE TABLE IF NOT EXISTS Recommendation ( userId varchar(255), accoId varchar(255), prediction float, PRIMARY KEY(userId, accoId), FOREIGN KEY (accoId) REFERENCES Accommodation(id) ); SHOW DATABASES; ``` 잘 생성 되었습니다. ``` mysql> SHOW DATABASES; +----------------------+ | Database | +----------------------+ | information_schema | | mysql | | performance_schema | | recommendation_spark | | sys | +----------------------+ 5 rows in set (0.17 sec) ``` USE recommendation_spark; SHOW TABLES; ``` mysql> SHOW TABLES; +--------------------------------+ | Tables_in_recommendation_spark | +--------------------------------+ | Accommodation | | Rating | | Recommendation | +--------------------------------+ 3 rows in set (0.17 sec) ``` # Task 3. Stage data in Cloud Storage 새창을 열고 아래의 내용을 붙여 넣습니다. ``` echo "Creating bucket: gs://$DEVSHELL_PROJECT_ID" gsutil mb gs://$DEVSHELL_PROJECT_ID echo "Copying data to our storage from public dataset" gsutil cp gs://cloud-training/bdml/v2.0/data/accommodation.csv gs://$DEVSHELL_PROJECT_ID gsutil cp gs://cloud-training/bdml/v2.0/data/rating.csv gs://$DEVSHELL_PROJECT_ID echo "Show the files in our bucket" gsutil ls gs://$DEVSHELL_PROJECT_ID echo "View some sample data" gsutil cat gs://$DEVSHELL_PROJECT_ID/accommodation.csv ``` # Task 4. Load data from Cloud Storage into Cloud SQL tables 생성한 `rental` 에 접속 한 뒤 아래의 파일 2개를 import 합니다. * accommodation.csv * rating.csv Browse > [Your-Bucket-Name] > accommodation.csv ![image](https://user-images.githubusercontent.com/16316626/152932806-f1adeb4e-4da9-4b21-992b-8941dee22d3c.png) # Task 5. Explore Cloud SQL data 쿼리를 해보는 단계입니다. 예시된 쿼리를 복사 붙여넣기 하면서 실습 할 수 있고, 결과를 보고 퀴즈를 푸는 단계입니다. # Task 6. Launch Dataproc ## Munu ☰ > Dataproc ## create [Create cluster] * Set up Cluster : 이름, 존 설정 * Configure nodes: 머신 설정 (Master Node, Worker Node) 으로 설정하고 생성[Create] 합니다. ## Shell 에서 아래의 명령어를 입력합니다. ``` echo "Authorizing Cloud Dataproc to connect with Cloud SQL" CLUSTER=rentals CLOUDSQL=rentals ZONE=us-central1-c NWORKERS=2 machines="$CLUSTER-m" for w in `seq 0 $(($NWORKERS - 1))`; do machines="$machines $CLUSTER-w-$w" done echo "Machines to authorize: $machines in $ZONE ... finding their IP addresses" ips="" for machine in $machines; do IP_ADDRESS=$(gcloud compute instances describe $machine --zone=$ZONE --format='value(networkInterfaces.accessConfigs[].natIP)' | sed "s/\['//g" | sed "s/'\]//g" )/32 echo "IP address of $machine is $IP_ADDRESS" if [ -z $ips ]; then ips=$IP_ADDRESS else ips="$ips,$IP_ADDRESS" fi done echo "Authorizing [$ips] to access cloudsql=$CLOUDSQL" gcloud sql instances patch $CLOUDSQL --authorized-networks $ips ``` prompte 에서 `Y`를 입력 한 뒤 `ENTER`를 누릅니다. ## ☰ > SQL > Overview 에서 ip를 확인합니다. # Task 7. Run the ML model ``` gsutil cp gs://cloud-training/bdml/v2.0/model/train_and_apply.py train_and_apply.py cloudshell edit train_and_apply.py ``` `train_and_apply.py` 에서 ``` # MAKE EDITS HERE CLOUDSQL_INSTANCE_IP = '' # <---- CHANGE (database server IP) CLOUDSQL_DB_NAME = 'recommendation_spark' # <--- leave as-is CLOUDSQL_USER = 'root' # <--- leave as-is CLOUDSQL_PWD = '' # <---- CHANGE ``` `CLOUDSQL_INSTANCE_IP` 와 `CLOUDSQL_PWD`를 수정합니다. 그리고 Cloud Shell에서 이 파일을 Cloud Storage 버킷에 복사합니다. `gsutil cp train_and_apply.py gs://$DEVSHELL_PROJECT_ID` # Task 8. Run your ML job on Dataproc ## 메뉴 Dataproc > rentals > Submit job 에서 * `Job type` : PySpark * `Main python file`: gs://{bucket-name}/train_and_apply.py/ * `Max restarts per hour`: 1 입력 [Submit] 합니다. # Task 9. Explore inserted rows with SQL 새로운 브라우져 텝에서 ## 메뉴 SQL > rentals > Connect to this instance > Open cloud shell 로 새로운 shell tab을 누릅니다. ![image](https://user-images.githubusercontent.com/16316626/152936378-5f9ebbaa-c3de-4a16-ad5c-25df44e6b353.png) 실습을 진행 합니다. ``` SELECT r.userid, r.accoid, r.prediction, a.title, a.location, a.price, a.rooms, a.rating, a.type FROM Recommendation as r JOIN Accommodation as a ON r.accoid = a.id WHERE r.userid = 10; ```

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