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LAB Cloud Functions 2nd Gen: Qwik Start
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LAB Cloud Functions 2nd Gen: Qwik Start
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Command 1:-
gcloud services enable \
artifactregistry.googleapis.com \
cloudfunctions.googleapis.com \
cloudbuild.googleapis.com \
eventarc.googleapis.com \
run.googleapis.com \
logging.googleapis.com \
pubsub.googleapis.com
export PROJECT_ID=$(gcloud config get-value project)
export REGION=
export ZONE=
gcloud config set compute/region $REGION
mkdir ~/hello-http && cd $_
touch index.js && touch package.json
cat > index.js <<EOF
const functions = require('@google-cloud/functions-framework');
functions.http('helloWorld', (req, res) => {
res.status(200).send('HTTP with Node.js in GCF 2nd gen!');
});
EOF
cat > package.json <<EOF
{
"name": "nodejs-functions-gen2-codelab",
"version": "0.0.1",
"main": "index.js",
"dependencies": {
"@google-cloud/functions-framework": "^2.0.0"
}
}
EOF
gcloud functions deploy nodejs-http-function \
--gen2 \
--runtime nodejs16 \
--entry-point helloWorld \
--source . \
--region $REGION \
--trigger-http \
--timeout 600s \
--max-instances 1
Command 2:-
PROJECT_NUMBER=$(gcloud projects list --filter="project_id:$PROJECT_ID" --format='value(project_number)')
SERVICE_ACCOUNT=$(gsutil kms serviceaccount -p $PROJECT_NUMBER)
gcloud projects add-iam-policy-binding $PROJECT_ID \
--member serviceAccount:$SERVICE_ACCOUNT \
--role roles/pubsub.publisher
mkdir ~/hello-storage && cd $_
touch index.js && touch package.json
cat > index.js <<EOF
const functions = require('@google-cloud/functions-framework');
functions.cloudEvent('helloStorage', (cloudevent) => {
console.log('Cloud Storage event with Node.js in GCF 2nd gen!');
console.log(cloudevent);
});
EOF
cat > package.json <<EOF
{
"name": "nodejs-functions-gen2-codelab",
"version": "0.0.1",
"main": "index.js",
"dependencies": {
"@google-cloud/functions-framework": "^2.0.0"
}
}
EOF
BUCKET="gs://gcf-gen2-storage-$PROJECT_ID"
gsutil mb -l $REGION $BUCKET
gcloud functions deploy nodejs-storage-function \
--gen2 \
--runtime nodejs16 \
--entry-point helloStorage \
--source . \
--region $REGION \
--trigger-bucket $BUCKET \
--trigger-location $REGION \
--max-instances 1
Command 3:-
From the Navigation Menu, go to IAM & Admin > Audit Logs
Find the Compute Engine API and click the check box next to it.
On the info pane on the right, check Admin Read, Data Read, and Data Write log types and click Save.
Command 4:-
gcloud projects add-iam-policy-binding $PROJECT_ID \
--member serviceAccount:$PROJECT_NUMBER-compute@developer.gserviceaccount.com \
--role roles/eventarc.eventReceiver
cd ~
git clone https://github.com/GoogleCloudPlatform/eventarc-samples.git
cd ~/eventarc-samples/gce-vm-labeler/gcf/nodejs
gcloud functions deploy gce-vm-labeler \
--gen2 \
--runtime nodejs16 \
--entry-point labelVmCreation \
--source . \
--region $REGION \
--trigger-event-filters="type=google.cloud.audit.log.v1.written,serviceName=compute.googleapis.com,methodName=beta.compute.instances.insert" \
--trigger-location $REGION \
--max-instances 1
gcloud compute instances create instance-1 --zone=$ZONE
mkdir ~/hello-world-colored && cd $_
touch main.py
cat > main.py <<EOF
import os
color = os.environ.get('COLOR')
def hello_world(request):
return f'<body style="background-color:{color}"><h1>Hello World!</h1></body>'
EOF
COLOR=yellow
gcloud functions deploy hello-world-colored \
--gen2 \
--runtime python39 \
--entry-point hello_world \
--source . \
--region $REGION \
--trigger-http \
--allow-unauthenticated \
--update-env-vars COLOR=$COLOR \
--max-instances 1
mkdir ~/min-instances && cd $_
touch main.go
cat > main.go <<EOF
package p
import (
"fmt"
"net/http"
"time"
)
func init() {
time.Sleep(10 * time.Second)
}
func HelloWorld(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "Slow HTTP Go in GCF 2nd gen!")
}
EOF
gcloud functions deploy slow-function \
--gen2 \
--runtime go116 \
--entry-point HelloWorld \
--source . \
--region $REGION \
--trigger-http \
--allow-unauthenticated \
--min-instances 1 \
--max-instances 4
gcloud functions call slow-function \
--gen2 --region $REGION
SLOW_URL=$(gcloud functions describe slow-function --region $REGION --gen2 --format="value(serviceConfig.uri)")
hey -n 10 -c 10 $SLOW_URL
gcloud functions deploy slow-concurrent-function \
--gen2 \
--runtime go116 \
--entry-point HelloWorld \
--source . \
--region $REGION \
--trigger-http \
--allow-unauthenticated \
--min-instances 1 \
--max-instances 4