MT Photo Analysis Cloud Function

Setup

Local setup

Requirements

• Python 3.7+ is installed
• virtualenv is installed

Install the dependencies

1. Create a virtual environment: virtualenv --python python3.7 env
2. Activate virtual environment: source ./env/bin/activate
3. Install the dependencies: pip install -r requirements.txt

Google Cloud Platform project setup

Requirements

• A Google Cloud Platform project exists
• gcloud is installed and initialised

1. Enable the required APIs

   gcloud services enable pubsub.googleapis.com
   gcloud services enable cloudfunctions.googleapis.com
   gcloud services enable vision.googleapis.com

2. Create a service account

   gcloud iam service-accounts create photo-analysis-function --display-name "photo-analysis-function"

3. Create a Cloud Pub/Sub Topic: gcloud pubsub topics create photo-analysis-request

Deploy

Deploy the Cloud Function.

GCP_PROJECT=YOUR-PROJECT-ID
WP_HOST=https://YOUR-HOST.ORG
GCP_REGION=europe-west1
GCP_TOPIC=photo-analysis-request
# 'beta' is required to set the service account
gcloud --project ${GCP_PROJECT} beta functions deploy photo_analysis \
    --runtime python37 \
    --trigger-topic ${GCP_TOPIC} \
    --region ${GCP_REGION} \
    --set-env-vars WP_HOST=${WP_HOST} \
    --service-account photo-analysis-function@${GCP_PROJECT}.iam.gserviceaccount.com