diff --git a/async-cloud-tasks/config.sh b/async-cloud-tasks/config.sh new file mode 100644 index 0000000..3f70a64 --- /dev/null +++ b/async-cloud-tasks/config.sh @@ -0,0 +1,21 @@ +# GOOGLE_PROJECT_ID=[YOUR GCP PROJECT ID GOES HERE] + + +# Create the payments queue in Cloud Tasks. +gcloud tasks queues create payments --project $GOOGLE_PROJECT_ID + +# Find your project number. +gcloud projects describe $GOOGLE_PROJECT_ID --format='table(projectNumber)' + +PROJECT_NUMBER=[PROJECT NUMBER RETURNED BY PREVIOUS COMMAND] + +# Grant the Cloud Tasks service account the Cloud Tasks Service Agent role. +gcloud projects add-iam-policy-binding $GOOGLE_PROJECT_ID \ + --member serviceAccount:service-$PROJECT_NUMBER@gcp-sa-cloudtasks.iam.gserviceaccount.com \ + --role roles/cloudtasks.serviceAgent \ + --project $GOOGLE_PROJECT_ID + +# Set a rate limit of 5 calls per second. +gcloud tasks queues update payments \ + --max-dispatches-per-second=5 \ + --project $GOOGLE_PROJECT_ID diff --git a/async-cloud-tasks/payment-service/Dockerfile b/async-cloud-tasks/payment-service/Dockerfile new file mode 100644 index 0000000..745510d --- /dev/null +++ b/async-cloud-tasks/payment-service/Dockerfile @@ -0,0 +1,6 @@ +FROM node:10 +WORKDIR /usr/src/app +COPY package.json package*.json ./ +RUN npm install --only=production +COPY . . +CMD [ "npm", "start" ] diff --git a/async-cloud-tasks/payment-service/deploy.sh b/async-cloud-tasks/payment-service/deploy.sh new file mode 100755 index 0000000..3f58504 --- /dev/null +++ b/async-cloud-tasks/payment-service/deploy.sh @@ -0,0 +1,11 @@ +# GOOGLE_PROJECT_ID=[YOUR GCP PROJECT ID GOES HERE] + +gcloud builds submit --tag gcr.io/$GOOGLE_PROJECT_ID/payment-service \ + --project $GOOGLE_PROJECT_ID + +gcloud beta run deploy payment-service \ + --image gcr.io/$GOOGLE_PROJECT_ID/payment-service \ + --platform managed \ + --no-allow-unauthenticated \ + --region us-central1 \ + --project $GOOGLE_PROJECT_ID diff --git a/async-cloud-tasks/payment-service/index.js b/async-cloud-tasks/payment-service/index.js new file mode 100644 index 0000000..6cd7cb9 --- /dev/null +++ b/async-cloud-tasks/payment-service/index.js @@ -0,0 +1,14 @@ +const express = require('express'); +const bodyParser = require('body-parser'); +const app = express(); +app.use(bodyParser.json()); +const port = process.env.PORT || 8080; +app.listen(port, () => { + console.log('Listening on port', port); +}); + +app.post('/', async (req, res) => { + const order = req.body; + console.log(`Process payment for ${order.id}`); + res.status(204).send(); +}) diff --git a/async-cloud-tasks/payment-service/package-lock.json b/async-cloud-tasks/payment-service/package-lock.json new file mode 100644 index 0000000..043ac3e --- /dev/null +++ b/async-cloud-tasks/payment-service/package-lock.json @@ -0,0 +1,374 @@ +{ + "name": "listenerr-store-service", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "accepts": { 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a/async-cloud-tasks/payment-service/package.json b/async-cloud-tasks/payment-service/package.json new file mode 100644 index 0000000..d2c46fc --- /dev/null +++ b/async-cloud-tasks/payment-service/package.json @@ -0,0 +1,15 @@ +{ + "name": "listenerr-store-service", + "version": "1.0.0", + "description": "Service to process payments for Listenerr's orders", + "main": "index.js", + "scripts": { + "start": "node index.js" + }, + "author": "Martin Omander", + "license": "ISC", + "dependencies": { + "body-parser": "^1.19.0", + "express": "^4.17.1" + } +} diff --git a/async-cloud-tasks/store-service/Dockerfile b/async-cloud-tasks/store-service/Dockerfile new file mode 100644 index 0000000..745510d --- /dev/null +++ b/async-cloud-tasks/store-service/Dockerfile @@ -0,0 +1,6 @@ +FROM node:10 +WORKDIR /usr/src/app +COPY package.json package*.json ./ +RUN npm install --only=production +COPY . . +CMD [ "npm", "start" ] diff --git a/async-cloud-tasks/store-service/deploy.sh b/async-cloud-tasks/store-service/deploy.sh new file mode 100755 index 0000000..8e854cf --- /dev/null +++ b/async-cloud-tasks/store-service/deploy.sh @@ -0,0 +1,20 @@ +# GOOGLE_PROJECT_ID=[YOUR GCP PROJECT ID GOES HERE] + +gcloud builds submit --tag gcr.io/$GOOGLE_PROJECT_ID/store-service \ + --project $GOOGLE_PROJECT_ID + +gcloud beta run deploy store-service \ + --image gcr.io/$GOOGLE_PROJECT_ID/store-service \ + --platform managed \ + --allow-unauthenticated \ + --region us-central1 \ + --project $GOOGLE_PROJECT_ID + +# When both the store and payment services have been deployed, make a POST +# request to the store service: +# +# curl -X POST [STORE SERVICE URL] +# +# Then check the Stackdriver log to make sure that the store service added +# the order to the queue, and that the payment service picked it up from the +# queue. diff --git a/async-cloud-tasks/store-service/index.js b/async-cloud-tasks/store-service/index.js new file mode 100644 index 0000000..cd71d65 --- /dev/null +++ b/async-cloud-tasks/store-service/index.js @@ -0,0 +1,63 @@ +// The ID of the project where the queue has been defined. +const PROJECT_ID = ''; +// The location of the payment service, like us-central1. +const LOCATION = ''; +// Deploy the payment service, capture its URL, and enter it below. +const PAYMENT_SERVICE_URL = 'https://payment-service...'; +const QUEUE_NAME = 'payments'; + +const {v2beta3} = require('@google-cloud/tasks'); +const client = new v2beta3.CloudTasksClient(); + +const express = require('express'); +const bodyParser = require('body-parser'); +const app = express(); +app.use(bodyParser.json()); +const port = process.env.PORT || 8080; +app.listen(port, () => { + console.log('Listening on port', port); +}); + +app.post('/', async (req, res) => { + const order = req.body; + order.id = generateOrderId(); + await callPaymentService(order); + const retVal = { + status: "success", + order_id: order.id + }; + res.json(retVal); +}) + +function generateOrderId() { + return Math.floor(Math.random()*100000); +} + +async function callPaymentService(order) { + const task = { + httpRequest: { + url: PAYMENT_SERVICE_URL, + body: encodePayload(order), + httpMethod: 'POST', + headers: {'content-type': 'application/json'}, + oidcToken: { + serviceAccountEmail: 'tasks-cloud-run-invoker@serverless-toolbox.iam.gserviceaccount.com', + } + }, + scheduleTime: { + seconds: Date.now() / 1000 + 10, + } + }; + const request = { + parent: client.queuePath(PROJECT_ID, LOCATION, QUEUE_NAME), + task: task, + }; + const [response] = await client.createTask(request); + console.log(`Created task for order ${order.id}`); +} + +function encodePayload(payload) { + return Buffer.from( + JSON.stringify(payload) + ).toString('base64'); +} diff --git a/async-cloud-tasks/store-service/package-lock.json b/async-cloud-tasks/store-service/package-lock.json new file mode 100644 index 0000000..92f1761 --- /dev/null +++ b/async-cloud-tasks/store-service/package-lock.json @@ -0,0 +1,852 @@ +{ + 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diff --git a/rest-api-sql/create-database.sh b/rest-api-sql/create-database.sh new file mode 100755 index 0000000..eca9b3f --- /dev/null +++ b/rest-api-sql/create-database.sh @@ -0,0 +1,23 @@ +# This script creates the Cloud SQL database that will be used by the REST API. +# At the end of the script, a connection is opened to the newly created +# database. Enter the root password when prompted. When connected to the +# database, paste in the contents of the file load-data.sql. This will load +# some test data into the database. + +PROJECT_ID=[YOUR GCP PROJECT ID FROM THE CLOUD CONSOLE] +ROOT_PASSWORD=[DECIDE ON A ROOT PASSWORD] +INSTANCE_NAME=[DECIDE ON THE NAME OF YOUR CLOUD SQL INSTANCE/MACHINE] +DB_NAME=pet-theory + +gcloud sql instances create $INSTANCE_NAME \ + --region=us-central \ + --root-password=$ROOT_PASSWORD \ + --project=$PROJECT_ID + +gcloud sql databases create $DB_NAME \ + --instance=$INSTANCE_NAME \ + --project=$PROJECT_ID + +gcloud sql connect $INSTANCE_NAME \ + --user=root \ + --project=$PROJECT_ID diff --git a/rest-api-sql/deploy-rest-api.sh b/rest-api-sql/deploy-rest-api.sh new file mode 100755 index 0000000..346f270 --- /dev/null +++ b/rest-api-sql/deploy-rest-api.sh @@ -0,0 +1,21 @@ +# This script deploys the REST API code (index.js) to Cloud Run. When it has +# run, try opening the URL of the newly deployed service, followed by "/1". +# Using Postman or another REST API tool, you can POST new appointments, +# search for appointments, and delete appointmenst. + +PROJECT_ID=[YOUR GCP PROJECT ID FROM THE CLOUD CONSOLE] +ROOT_PASSWORD=[COPY FROM create-database.sh] +INSTANCE_NAME=[COPY FROM create-database.sh] +DB_NAME=pet-theory + +gcloud builds submit --tag gcr.io/$PROJECT_ID/pet-theory-appointments \ + --project $PROJECT_ID + +gcloud beta run deploy pet-theory-appointments \ + --image gcr.io/$PROJECT_ID/pet-theory-appointments \ + --platform managed \ + --region us-central1 \ + --allow-unauthenticated \ + --set-cloudsql-instances $INSTANCE_NAME \ + --update-env-vars INST_CON_NAME=$PROJECT_ID:us-central1:$INSTANCE_NAME,SQL_USER=root,SQL_PASSWORD=$ROOT_PASSWORD,SQL_NAME=$DB_NAME \ + --project $PROJECT_ID diff --git a/rest-api-sql/index.js b/rest-api-sql/index.js new file mode 100644 index 0000000..7603204 --- /dev/null +++ b/rest-api-sql/index.js @@ -0,0 +1,185 @@ +const mysql = require('mysql'); +const express = require('express'); +const app = express(); +const bodyParser = require('body-parser'); +app.use(bodyParser.json()); + +const port = process.env.PORT || 8080; +app.listen(port, () => { + console.log('Pet Theory REST API listening on port', port); +}); + +app.get('/:id', async (req, res) => { + const id = parseInt(req.params.id); + let retVal; + if (id) { + try { + const appointment = await getAppointment(id); + if (appointment) { + retVal = {status: 'success', data: {appointment: appointment}}; + } + else { + res.status(404); + retVal = {status: 'fail', data: {title: `Appointment ${id} not found`}}; + } + } + catch (ex) { + res.status(500); + retVal = {status: 'error', message: ex}; + } + } + else { + res.status(400); + retVal = {status: 'fail', data: {title: `Appointment id must be integer`}}; + } + res.setHeader('content-type', 'application/json'); + res.end(JSON.stringify(retVal)); +}) + +app.post('/search', async (req, res) => { + const user_id = req.body.user_id; + let retVal; + if (user_id) { + try { + const appointments = await searchAppointments(user_id); + retVal = {status: 'success', data: {appointments: appointments}}; + } + catch (ex) { + res.status(500); + retVal = {status: 'error', message: ex}; + } + } + else { + res.status(400); + retVal = {status: 'fail', data: {title: `Request must contain user_id`}}; + } + res.setHeader('content-type', 'application/json'); + res.end(JSON.stringify(retVal)); +}) + +app.post('/', async (req, res) => { + let retVal; + try { + const id = await createAppointment(req.body); + const appointment = await getAppointment(id); + retVal = {status: 'success', data: {appointment: appointment}}; + } + catch (ex) { + res.status(500); + retVal = {status: 'error', message: ex}; + } + res.setHeader('content-type', 'application/json'); + res.end(JSON.stringify(retVal)); +}) + +app.delete('/:id', async (req, res) => { + const id = parseInt(req.params.id); + let retVal; + if (id) { + try { + const success = await deleteAppointment(id); + if (success) { + retVal = {status: 'success', data: {title: `Appointment ${id} deleted`}}; + } + else { + res.status(404); + retVal = {status: 'fail', data: {title: `Appointment ${id} not found`}}; + } + } + catch (ex) { + res.status(500); + retVal = {status: 'error', message: ex}; + } + } + else { + res.status(400); + retVal = {status: 'fail', data: {title: `Appointment id must be integer`}}; + } + res.setHeader('content-type', 'application/json'); + res.end(JSON.stringify(retVal)); +}) + +async function getAppointment(id) { + return new Promise(function(resolve, reject) { + if (!id) resolve(); + const sql = 'SELECT * FROM appointments where id=?'; + getDbPool().query(sql, [id], (err, results) => { + if (err) { + console.error(err); + reject(getErrorMessage(err)); + } + else { + if (results.length > 0) { + resolve(results[0]); + } + else { + resolve(); + } + } + }) + }) +} + +function getErrorMessage(err) { + return err.sqlMessage || err.code || err; +} + +async function createAppointment(fields) { + return new Promise(function(resolve, reject) { + const sql = 'INSERT INTO appointments SET ?'; + getDbPool().query(sql, fields, (err, results) => { + if (err) { + console.error(err); + reject(getErrorMessage(err)); + } + else { + resolve(results.insertId); + } + }) + }) +} + +async function searchAppointments(user_id) { + return new Promise(function(resolve, reject) { + const sql = 'SELECT * FROM appointments where user_id=?'; + getDbPool().query(sql, [user_id], (err, results) => { + if (err) { + console.error(err); + reject(getErrorMessage(err)); + } + else { + resolve(results); + } + }) + }) +} + +async function deleteAppointment(id) { + return new Promise(function(resolve, reject) { + const sql = 'DELETE FROM appointments WHERE id=?'; + getDbPool().query(sql, [id], (err, results) => { + if (err) { + console.error(err); + reject(getErrorMessage(err)); + } + else { + resolve(results.affectedRows); + } + }) + }) +} + +let cachedDbPool; + +function getDbPool() { + if (!cachedDbPool) { + cachedDbPool = mysql.createPool({ + connectionLimit: 1, + user: process.env.SQL_USER, + password: process.env.SQL_PASSWORD, + database: process.env.SQL_NAME, + socketPath: `/cloudsql/${process.env.INST_CON_NAME}` + }); + } + return cachedDbPool; +} diff --git a/rest-api-sql/load-data.sql b/rest-api-sql/load-data.sql new file mode 100644 index 0000000..e6e2560 --- /dev/null +++ b/rest-api-sql/load-data.sql @@ -0,0 +1,16 @@ +use pet-theory; + +CREATE TABLE appointments ( + id INT NOT NULL AUTO_INCREMENT, + clinic_id INT NOT NULL, + user_id INT NOT NULL, + start_ts INT NOT NULL, + PRIMARY KEY (id) +); + +INSERT INTO appointments (clinic_id, user_id, start_ts) VALUES (1, 234, 1564668000); +INSERT INTO appointments (clinic_id, user_id, start_ts) VALUES (1, 982, 1564668000); +INSERT INTO appointments (clinic_id, user_id, start_ts) VALUES (2, 451, 1567328400); +INSERT INTO appointments (clinic_id, user_id, start_ts) VALUES (3, 701, 1569920400); + +SELECT * FROM appointments; diff --git a/rest-api-sql/package-lock.json b/rest-api-sql/package-lock.json new file mode 100644 index 0000000..2f41044 --- /dev/null +++ b/rest-api-sql/package-lock.json @@ -0,0 +1,437 @@ +{ + "name": "pet-theory-appointments", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "accepts": { + "version": "1.3.7", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz", + "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==", + "requires": { + "mime-types": "~2.1.24", + "negotiator": "0.6.2" + } + }, + "array-flatten": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz", + "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=" + }, + "bignumber.js": { + "version": "7.2.1", + "resolved": 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"REST API to access Pet Theory appointments", + "main": "index.js", + "scripts": { + "start": "node index.js" + }, + "author": "Martin Omander", + "license": "ISC", + "dependencies": { + "body-parser": "^1.19.0", + "express": "^4.17.1", + "mysql": "^2.17.1" + } +} diff --git a/tag-images/Dockerfile b/tag-images/Dockerfile new file mode 100644 index 0000000..e9fe6fd --- /dev/null +++ b/tag-images/Dockerfile @@ -0,0 +1,6 @@ +FROM python:3.7 +ENV APP_HOME /app +WORKDIR $APP_HOME +COPY . . +RUN pip install Flask gunicorn google-cloud-logging google-cloud-storage google-cloud-vision google-cloud-firestore +CMD exec gunicorn --bind :$PORT --workers 1 --threads 8 app:app diff --git a/tag-images/app.py b/tag-images/app.py new file mode 100644 index 0000000..814991a --- /dev/null +++ b/tag-images/app.py @@ -0,0 +1,71 @@ +import base64 +import io +import json +import os +import sys +from google.cloud import storage +from google.cloud import vision +from google.cloud.vision import types +from google.cloud import firestore +db = firestore.Client() + +from flask import Flask +from flask import request +app = Flask(__name__) + +@app.route('/', methods = ['POST']) +def handlePubSubMessage(): + try: + print(request.json['message']['attributes']['eventType'], flush=True) + if request.json['message']['attributes']['eventType'] == 'OBJECT_FINALIZE': + file = decodeBase64Json(request.json['message']['data']) + tags = getImageTags(file['bucket'], file['name']) + writeToFirestore(file['name'], tags) + deleteFile(file['bucket'], file['name']) + except: + print(sys.exc_info()[0], flush=True) + return '', 204 + +def decodeBase64Json(data): + return json.loads(base64.b64decode(data)) + +def getImageTags(bucketName, fileName): + client = vision.ImageAnnotatorClient() + image_uri = "gs://" + bucketName + "/" + fileName + request = { + "image": {"source": {"image_uri": image_uri}}, + "features": [ + { + "type": vision.enums.Feature.Type.LABEL_DETECTION, + "max_results": 6 + }, + { + "type": vision.enums.Feature.Type.LANDMARK_DETECTION, + "max_results": 3 + } + ], + } + response = client.annotate_image(request) + return getTagsFromResponse(response) + +def getTagsFromResponse(visionApiResp): + landmarks = [ x.description for x in visionApiResp.landmark_annotations ] + labels = [ x.description for x in visionApiResp.label_annotations ] + return landmarks + labels + +def writeToFirestore(fileName, tags): + doc_ref = db.collection('photos').document(fileName) + doc_ref.set({'tags': tags}) + +def deleteFile(bucketName, fileName): + client = storage.Client() + bucket = client.bucket(bucketName) + file = bucket.blob(fileName) + file.delete() + +if __name__ == "__main__": + app.run( + debug=True, + host='0.0.0.0', + port=int(os.environ.get('PORT', 8080)) + ) diff --git a/tag-images/deploy.sh b/tag-images/deploy.sh new file mode 100755 index 0000000..fc67968 --- /dev/null +++ b/tag-images/deploy.sh @@ -0,0 +1,11 @@ +PROJECT_ID=[YOUR GCP PROJECT ID FROM THE CLOUD CONSOLE] + +gcloud builds submit --tag gcr.io/$PROJECT_ID/tag-images \ + --project $PROJECT_ID + +gcloud beta run deploy tag-images \ + --image gcr.io/$PROJECT_ID/tag-images \ + --platform managed \ + --region us-central1 \ + --allow-unauthenticated \ + --project $PROJECT_ID