Hosting a Web App on Google Cloud Using Compute Engine
Hosting a Web App on Google Cloud Using Compute Engine
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Create Compute Engine instances
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Create instance templates from source instances
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Create managed instance groups
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Create and test managed instance group health checks
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Create HTTP(S) Load Balancers
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Create load balancer health checks
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Use a Content Delivery Network (CDN) for Caching
At the end, you will have instances inside managed instance groups to provide autohealing, load balancing, autoscaling, and rolling updates for your website.
Run the following gcloud commands in Cloud Console to set the default region and zone for your lab:
Welcome to Cloud Shell! Type "help" to get started.
Your Cloud Platform project in this session is set to qwiklabs-gcp-04-83eb8e6fd864.
Use “gcloud config set project [PROJECT_ID]” to change to a different project.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud config set compute/zone "us-west1-a"
export ZONE=$(gcloud config get compute/zone)
gcloud config set compute/region "us-west1"
export REGION=$(gcloud config get compute/region)
WARNING: Property validation for compute/zone was skipped.
Updated property [compute/zone].
Your active configuration is: [cloudshell-28083]
WARNING: Property validation for compute/region was skipped.
Updated property [compute/region].
Your active configuration is: [cloudshell-28083]
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Enable Compute Engine API
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud services enable compute.googleapis.com
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create Cloud Storage bucket
You will use a Cloud Storage bucket to house your built code as well as your startup scripts.
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From Cloud Shell, execute the following to create a new Cloud Storage bucket:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gsutil mb gs://fancy-store-$DEVSHELL_PROJECT_ID Creating gs://fancy-store-qwiklabs-gcp-04-83eb8e6fd864/... student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$Use of the
$DEVSHELL_PROJECT_IDenvironment variable within Cloud Shell is to help ensure the names of objects are unique. Since all Project IDs within Google Cloud must be unique, appending the Project ID should make other names unique as well.
Clone source repository
Use the existing Fancy Store ecommerce website based on the monolith-to-microservices repository as the basis for your website.
Clone the source code so you can focus on the aspects of deploying to Compute Engine. Later on in this lab, you will perform a small update to the code to demonstrate the simplicity of updating on Compute Engine.
Clone the source code and then navigate to the monolith-to-microservices directory:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ git clone https://github.com/googlecodelabs/monolith-to-microservices.git
Cloning into 'monolith-to-microservices'...
remote: Enumerating objects: 1136, done.
remote: Counting objects: 100% (241/241), done.
remote: Compressing objects: 100% (119/119), done.
remote: Total 1136 (delta 184), reused 142 (delta 122), pack-reused 895
Receiving objects: 100% (1136/1136), 3.74 MiB | 19.24 MiB/s, done.
Resolving deltas: 100% (533/533), done.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$
Run the initial build of the code to allow the application to run locally:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$ ./setup.sh
Installing monolith dependencies...
added 59 packages, and audited 60 packages in 2s
7 packages are looking for funding
run `npm fund` for details
1 moderate severity vulnerability
To address all issues, run:
npm audit fix
Run `npm audit` for details.
Completed.
Installing microservices dependencies...
added 87 packages, and audited 88 packages in 10s
14 packages are looking for funding
run `npm fund` for details
1 moderate severity vulnerability
To address all issues, run:
npm audit fix
Run `npm audit` for details.
Completed.
Installing React app dependencies...
npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
added 1476 packages, and audited 1477 packages in 30s
202 packages are looking for funding
run `npm fund` for details
16 vulnerabilities (8 moderate, 7 high, 1 critical)
To address issues that do not require attention, run:
npm audit fix
To address all issues (including breaking changes), run:
npm audit fix --force
Run `npm audit` for details.
Completed.
Building React app and placing into sub projects...
> frontend@0.1.0 prebuild
> npm run build:monolith
> frontend@0.1.0 build:monolith
> env-cmd -f .env.monolith react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.04 kB build/static/js/main.f58ec764.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild:monolith
> node scripts/post-build.js ./build ../monolith/public
Deleting stale folder: ../monolith/public
Deleted stale destination folder: ../monolith/public
Copying files from ./build to ../monolith/public
Copied ./build to ../monolith/public successfully!
> frontend@0.1.0 build
> react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.05 kB (+18 B) build/static/js/main.3f3d4bec.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild
> node scripts/post-build.js ./build ../microservices/src/frontend/public
Deleting stale folder: ../microservices/src/frontend/public
Deleted stale destination folder: ../microservices/src/frontend/public
Copying files from ./build to ../microservices/src/frontend/public
Copied ./build to ../microservices/src/frontend/public successfully!
Completed.
Setup completed successfully!
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$
Once completed, ensure Cloud Shell is running a compatible nodeJS version with the following command:
tudent_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$ nvm install --lts
Installing latest LTS version.
v20.12.2 is already installed.
Now using node v20.12.2 (npm v10.5.2)
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$
Next, run the following to test the application, switch to the microservices directory, and start the web server:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices (qwiklabs-gcp-04-83eb8e6fd864)$ cd microservices
npm start
> microservices@1.0.0 start
> concurrently "npm run frontend" "npm run products" "npm run orders"
[1]
[1] > microservices@1.0.0 products
[1] > node ./src/products/server.js
[1]
[2]
[2] > microservices@1.0.0 orders
[2] > node ./src/orders/server.js
[2]
[0]
[0] > microservices@1.0.0 frontend
[0] > node ./src/frontend/server.js
[0]
[1] Products microservice listening on port 8082!
[2] Orders microservice listening on port 8081!
[0] Frontend microservice listening on port 8080!
Note: Within the Preview option, you should be able to see the Frontend; however, the Products and Orders functions will not work, as those services are not yet exposed.
^C[0] npm run frontend exited with code SIGINT
[1] npm run products exited with code SIGINT
[2] npm run orders exited with code SIGINT
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$
Create Compute Engine instances
Now it’s time to start deploying some Compute Engine instances!
In the following steps you will:
- Create a startup script to configure instances.
- Clone source code and upload to Cloud Storage.
- Deploy a Compute Engine instance to host the backend microservices.
- Reconfigure the frontend code to utilize the backend microservices instance.
- Deploy a Compute Engine instance to host the frontend microservice.
- Configure the network to allow communication.
Create the startup script
A startup script will be used to instruct the instance what to do each time it is started. This way the instances are automatically configured.
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In Cloud Shell, run the following command to create a file called
startup-script.sh:student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$ cat ~/monolith-to-microservices/startup-script.sh #!/bin/bash # Install logging monitor. The monitor will automatically pick up logs sent to # syslog. curl -s "https://storage.googleapis.com/signals-agents/logging/google-fluentd-install.sh" | bash service google-fluentd restart & # Install dependencies from apt apt-get update apt-get install -yq ca-certificates git build-essential supervisor psmisc # Install nodejs mkdir /opt/nodejs curl https://nodejs.org/dist/v16.14.0/node-v16.14.0-linux-x64.tar.gz | tar xvzf - -C /opt/nodejs --strip-components=1 ln -s /opt/nodejs/bin/node /usr/bin/node ln -s /opt/nodejs/bin/npm /usr/bin/npm # Get the application source code from the Google Cloud Storage bucket. mkdir /fancy-store gsutil -m cp -r gs://fancy-store-qwiklabs-gcp-04-83eb8e6fd864/monolith-to-microservices/microservices/* /fancy-store/ # Install app dependencies. cd /fancy-store/ npm install # Create a nodeapp user. The application will run as this user. useradd -m -d /home/nodeapp nodeapp chown -R nodeapp:nodeapp /opt/app # Configure supervisor to run the node app. cat >/etc/supervisor/conf.d/node-app.conf << EOF [program:nodeapp] directory=/fancy-store command=npm start autostart=true autorestart=true user=nodeapp environment=HOME="/home/nodeapp",USER="nodeapp",NODE_ENV="production" stdout_logfile=syslog stderr_logfile=syslog EOF supervisorctl reread supervisorctl updatestudent_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$
Return to Cloud Shell Terminal and run the following to copy the startup-script.sh file into your bucket:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$ gsutil cp ~/monolith-to-microservices/startup-script.sh gs://fancy-store-$DEVSHELL_PROJECT_ID
Copying file:///home/student_01_cad4a58911a5/monolith-to-microservices/startup-script.sh [Content-Type=text/x-sh]...
/ [1 files][ 1.3 KiB/ 1.3 KiB]
Operation completed over 1 objects/1.3 KiB.
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$
It will now be accessible at: https://storage.googleapis.com/[BUCKET_NAME]/startup-script.sh.
[BUCKET_NAME] represents the name of the Cloud Storage bucket. This will only be viewable by authorized users and service accounts by default, therefor inaccessible through a web browser. Compute Engine instances will automatically be able to access this through their service account.
The startup script performs the following tasks:
- Installs the Logging agent. The agent automatically collects logs from syslog.
- Installs Node.js and Supervisor. Supervisor runs the app as a daemon.
- Clones the app’s source code from Cloud Storage Bucket and installs dependencies.
- Configures Supervisor to run the app. Supervisor makes sure the app is restarted if it exits unexpectedly or is stopped by an admin or process. It also sends the app’s stdout and stderr to syslog for the Logging agent to collect.
Copy code into the Cloud Storage bucket
When instances launch, they pull code from the Cloud Storage bucket, so you can store some configuration variables within the .env file of the code.
Copy the cloned code into your bucket:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/microservices (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~
rm -rf monolith-to-microservices/*/node_modules
gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
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student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
The
node_modulesdependencies directories are deleted to ensure the copy is as fast and efficient as possible. These are recreated on the instances when they start up.
Deploy the backend instance
The first instance to be deployed will be the backend instance which will house the Orders and Products microservices. In a production environment, you may want to separate each microservice into their own instance and instance group to allow them to scale independently. For demonstration purposes, both backend microservices (Orders & Products) will reside on the same instance and instance group.
Execute the following command to create an e2-standard-2 instance that is configured to use the startup script. It is tagged as a backend instance so you can apply specific firewall rules to it later:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances create backend \
--zone=$ZONE \
--machine-type=e2-standard-2 \
--tags=backend \
--metadata=startup-script-url=https://storage.googleapis.com/fancy-store-$DEVSHELL_PROJECT_ID/startup-script.sh
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/backend].
NAME: backend
ZONE: us-west1-a
MACHINE_TYPE: e2-standard-2
PREEMPTIBLE:
INTERNAL_IP: 10.138.0.2
EXTERNAL_IP: 35.247.18.211
STATUS: RUNNING
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Configure a connection to the backend
Before you deploy the frontend of the application, you need to update the configuration to point to the backend you just deployed.
-
Retrieve the external IP address of the backend with the following command, look under the
EXTERNAL_IPtab for the backend instance:student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances list NAME: backend ZONE: us-west1-a MACHINE_TYPE: e2-standard-2 PREEMPTIBLE: INTERNAL_IP: 10.138.0.2 EXTERNAL_IP: 35.247.18.211 STATUS: RUNNING student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ - In the Cloud Shell Explorer, navigate to
monolith-to-microservices>react-app. - In the Code Editor, select View > Toggle Hidden Files in order to see the
.envfile.
In the next step, you edit the .env file to point to the External IP of the backend. [BACKEND_ADDRESS] represents the External IP address of the backend instance determined from the above gcloud command.
- In the
.envfile, replacelocalhostwith your[BACKEND_ADDRESS]:
REACT_APP_ORDERS_URL=http://35.247.18.211:8081/api/orders
REACT_APP_PRODUCTS_URL=http://35.247.18.211:8082/api/products
In Cloud Shell, run the following to rebuild react-app, which will update the frontend code:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices/react-app
npm install && npm run-script build
npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
added 1476 packages, and audited 1477 packages in 19s
202 packages are looking for funding
run `npm fund` for details
16 vulnerabilities (8 moderate, 7 high, 1 critical)
To address issues that do not require attention, run:
npm audit fix
To address all issues (including breaking changes), run:
npm audit fix --force
Run `npm audit` for details.
> frontend@0.1.0 prebuild
> npm run build:monolith
> frontend@0.1.0 build:monolith
> env-cmd -f .env.monolith react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.04 kB (-18 B) build/static/js/main.f58ec764.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild:monolith
> node scripts/post-build.js ./build ../monolith/public
Deleting stale folder: ../monolith/public
Deleted stale destination folder: ../monolith/public
Copying files from ./build to ../monolith/public
Copied ./build to ../monolith/public successfully!
> frontend@0.1.0 build
> react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.06 kB (+25 B) build/static/js/main.3cfdbc3c.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild
> node scripts/post-build.js ./build ../microservices/src/frontend/public
Deleting stale folder: ../microservices/src/frontend/public
Deleted stale destination folder: ../microservices/src/frontend/public
Copying files from ./build to ../microservices/src/frontend/public
Copied ./build to ../microservices/src/frontend/public successfully!
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$
Then copy the application code into the Cloud Storage bucket:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~
rm -rf monolith-to-microservices/*/node_modules
gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
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student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Deploy the frontend instance
Now that the code is configured, deploy the frontend instance.
-
Execute the following to deploy the
frontendinstance with a similar command as before. This instance is tagged asfrontendfor firewall purposes:student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances create frontend \ --zone=$ZONE \ --machine-type=e2-standard-2 \ --tags=frontend \ --metadata=startup-script-url=https://storage.googleapis.com/fancy-store-$DEVSHELL_PROJECT_ID/startup-script.sh Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/frontend]. NAME: frontend ZONE: us-west1-a MACHINE_TYPE: e2-standard-2 PREEMPTIBLE: INTERNAL_IP: 10.138.0.3 EXTERNAL_IP: 35.230.8.224 STATUS: RUNNING student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$The deployment command and startup script is used with both the frontend and backend instances for simplicity, and because the code is configured to launch all microservices by default. As a result, all microservices run on both the frontend and backend in this sample. In a production environment you’d only run the microservices you need on each component.
Configure the network
-
Create firewall rules to allow access to port 8080 for the frontend, and ports 8081-8082 for the backend. These firewall commands use the tags assigned during instance creation for application:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute firewall-rules create fw-fe \ --allow tcp:8080 \ --target-tags=frontend Creating firewall...working..Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/firewalls/fw-fe]. Creating firewall...done. NAME: fw-fe NETWORK: default DIRECTION: INGRESS PRIORITY: 1000 ALLOW: tcp:8080 DENY: DISABLED: False student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute firewall-rules create fw-be \
--allow tcp:8081-8082 \
--target-tags=backend
Creating firewall...working..Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/firewalls/fw-be].
Creating firewall...done.
NAME: fw-be
NETWORK: default
DIRECTION: INGRESS
PRIORITY: 1000
ALLOW: tcp:8081-8082
DENY:
DISABLED: False
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
The website should now be fully functional.
-
In order to navigate to the external IP of the
frontend, you need to know the address. Run the following and look for the EXTERNAL_IP of thefrontendinstance:student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances list NAME: backend ZONE: us-west1-a MACHINE_TYPE: e2-standard-2 PREEMPTIBLE: INTERNAL_IP: 10.138.0.2 EXTERNAL_IP: 35.247.18.211 STATUS: RUNNING NAME: frontend ZONE: us-west1-a MACHINE_TYPE: e2-standard-2 PREEMPTIBLE: INTERNAL_IP: 10.138.0.3 EXTERNAL_IP: 35.230.8.224 STATUS: RUNNING student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$It may take a couple minutes for the instance to start and be configured.
- Wait 3 minutes and then open a new browser tab and browse to
http://[FRONTEND_ADDRESS]:8080to access the website, where [FRONTEND_ADDRESS] is the frontend EXTERNAL_IP determined above. - Try navigating to the Products and Orders pages; these should now work.
Create managed instance groups
To allow the application to scale, managed instance groups will be created and will use the
frontendandbackendinstances as Instance Templates.A managed instance group (MIG) contains identical instances that you can manage as a single entity in a single zone. Managed instance groups maintain high availability of your apps by proactively keeping your instances available, that is, in the RUNNING state. You will be using managed instance groups for your frontend and backend instances to provide autohealing, load balancing, autoscaling, and rolling updates.
Create instance template from source instance
Before you can create a managed instance group, you have to first create an instance template that will be the foundation for the group. Instance templates allow you to define the machine type, boot disk image or container image, network, and other instance properties to use when creating new VM instances. You can use instance templates to create instances in a managed instance group or even to create individual instances.
To create the instance template, use the existing instances you created previously.
- First, stop both instances:
- Wait 3 minutes and then open a new browser tab and browse to
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances stop frontend --zone=$ZONE
Stopping instance(s) frontend...done.
Updated [https://compute.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/frontend].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances stop backend --zone=$ZONE
Stopping instance(s) backend...done.
Updated [https://compute.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/backend].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Then, create the instance template from each of the source instances:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-templates create fancy-fe \
--source-instance-zone=$ZONE \
--source-instance=frontend
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe].
NAME: fancy-fe
MACHINE_TYPE: e2-standard-2
PREEMPTIBLE:
CREATION_TIMESTAMP: 2024-04-23T02:50:40.904-07:00
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-templates create fancy-be \
--source-instance-zone=$ZONE \
--source-instance=backend
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-be].
NAME: fancy-be
MACHINE_TYPE: e2-standard-2
PREEMPTIBLE:
CREATION_TIMESTAMP: 2024-04-23T02:51:06.084-07:00
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Confirm the instance templates were created:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-templates list
NAME: fancy-be
MACHINE_TYPE: e2-standard-2
PREEMPTIBLE:
CREATION_TIMESTAMP: 2024-04-23T02:51:06.084-07:00
NAME: fancy-fe
MACHINE_TYPE: e2-standard-2
PREEMPTIBLE:
CREATION_TIMESTAMP: 2024-04-23T02:50:40.904-07:00
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
With the instance templates created, delete the backend vm to save resource space: Type and enter y when prompted.
Normally, you could delete the frontend vm as well, but you will use it to update the instance template later in the lab.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances delete backend --zone=$ZONE
The following instances will be deleted. Any attached disks configured to be auto-deleted will be deleted unless they are attached to any other
instances or the `--keep-disks` flag is given and specifies them for keeping. Deleting a disk is irreversible and any data on the disk will be
lost.
- [backend] in [us-west1-a]
Do you want to continue (Y/n)? y
Deleted [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/backend].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create managed instance group
-
Next, create two managed instance groups, one for the frontend and one for the backend:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed create fancy-fe-mig \ --zone=$ZONE \ --base-instance-name fancy-fe \ --size 2 \ --template fancy-fe Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig]. NAME: fancy-fe-mig LOCATION: us-west1-a SCOPE: zone BASE_INSTANCE_NAME: fancy-fe SIZE: 0 TARGET_SIZE: 2 INSTANCE_TEMPLATE: fancy-fe AUTOSCALED: no student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed create fancy-be-mig \ --zone=$ZONE \ --base-instance-name fancy-be \ --size 2 \ --template fancy-be Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-be-mig]. NAME: fancy-be-mig LOCATION: us-west1-a SCOPE: zone BASE_INSTANCE_NAME: fancy-be SIZE: 0 TARGET_SIZE: 2 INSTANCE_TEMPLATE: fancy-be AUTOSCALED: no student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$These managed instance groups will use the instance templates and are configured for two instances each within each group to start. The instances are automatically named based on the
base-instance-namespecified with random characters appended.For your application, the
frontendmicroservice runs on port 8080, and thebackendmicroservice runs on port 8081 forordersand port 8082 for products:Since these are non-standard ports, you specify named ports to identify these. Named ports are key:value pair metadata representing the service name and the port that it’s running on. Named ports can be assigned to an instance group, which indicates that the service is available on all instances in the group. This information is used by the HTTP Load Balancing service that will be configured later.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups set-named-ports fancy-fe-mig \ --zone=$ZONE \ --named-ports frontend:8080 Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig]. student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups set-named-ports fancy-be-mig \ --zone=$ZONE \ --named-ports orders:8081,products:8082 Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-be-mig]. student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Configure autohealing
To improve the availability of the application itself and to verify it is responding, configure an autohealing policy for the managed instance groups.
An autohealing policy relies on an application-based health check to verify that an app is responding as expected. Checking that an app responds is more precise than simply verifying that an instance is in a RUNNING state, which is the default behavior.
Separate health checks for load balancing and for autohealing will be used. Health checks for load balancing can and should be more aggressive because these health checks determine whether an instance receives user traffic. You want to catch non-responsive instances quickly so you can redirect traffic if necessary. In contrast, health checking for autohealing causes Compute Engine to proactively replace failing instances, so this health check should be more conservative than a load balancing health check.
Create a health check that repairs the instance if it returns “unhealthy” 3 consecutive times for the frontend and backend:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute health-checks create http fancy-fe-hc \
--port 8080 \
--check-interval 30s \
--healthy-threshold 1 \
--timeout 10s \
--unhealthy-threshold 3
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/healthChecks/fancy-fe-hc].
NAME: fancy-fe-hc
PROTOCOL: HTTP
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute health-checks create http fancy-be-hc \
--port 8081 \
--request-path=/api/orders \
--check-interval 30s \
--healthy-threshold 1 \
--timeout 10s \
--unhealthy-threshold 3
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/healthChecks/fancy-be-hc].
NAME: fancy-be-hc
PROTOCOL: HTTP
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create a firewall rule to allow the health check probes to connect to the microservices on ports 8080-8081:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute firewall-rules create allow-health-check \
--allow tcp:8080-8081 \
--source-ranges 130.211.0.0/22,35.191.0.0/16 \
--network default
Creating firewall...working..Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/firewalls/allow-health-check].
Creating firewall...done.
NAME: allow-health-check
NETWORK: default
DIRECTION: INGRESS
PRIORITY: 1000
ALLOW: tcp:8080-8081
DENY:
DISABLED: False
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Apply the health checks to their respective services:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed update fancy-fe-mig \
--zone=$ZONE \
--health-check fancy-fe-hc \
--initial-delay 300
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed update fancy-be-mig \
--zone=$ZONE \
--health-check fancy-be-hc \
--initial-delay 300
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-be-mig].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Note: It can take 15 minutes before autohealing begins monitoring instances in the group.
Create load balancers
To complement your managed instance groups, use HTTP(S) Load Balancers to serve traffic to the frontend and backend microservices, and use mappings to send traffic to the proper backend services based on pathing rules. This exposes a single load balanced IP for all services.
Create HTTP(S) load balancer
Google Cloud offers many different types of load balancers. For this lab you use an HTTP(S) Load Balancer for your traffic. An HTTP load balancer is structured as follows:
- A forwarding rule directs incoming requests to a target HTTP proxy.
- The target HTTP proxy checks each request against a URL map to determine the appropriate backend service for the request.
- The backend service directs each request to an appropriate backend based on serving capacity, zone, and instance health of its attached backends. The health of each backend instance is verified using an HTTP health check. If the backend service is configured to use an HTTPS or HTTP/2 health check, the request will be encrypted on its way to the backend instance.
- Sessions between the load balancer and the instance can use the HTTP, HTTPS, or HTTP/2 protocol. If you use HTTPS or HTTP/2, each instance in the backend services must have an SSL certificate.
Create health checks that will be used to determine which instances are capable of serving traffic for each service:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute http-health-checks create fancy-fe-frontend-hc \
--request-path / \
--port 8080
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/httpHealthChecks/fancy-fe-frontend-hc].
NAME: fancy-fe-frontend-hc
HOST:
PORT: 8080
REQUEST_PATH: /
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute http-health-checks create fancy-be-orders-hc \
--request-path /api/orders \
--port 8081
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/httpHealthChecks/fancy-be-orders-hc].
NAME: fancy-be-orders-hc
HOST:
PORT: 8081
REQUEST_PATH: /api/orders
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute http-health-checks create fancy-be-products-hc \
> --request-path /api/products \
> --port 8082
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/httpHealthChecks/fancy-be-products-hc].
NAME: fancy-be-products-hc
HOST:
PORT: 8082
REQUEST_PATH: /api/products
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Note: These health checks are for the load balancer, and only handle directing traffic from the load balancer; they do not cause the managed instance groups to recreate instances.
Create backend services that are the target for load-balanced traffic. The backend services will use the health checks and named ports you created:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services create fancy-fe-frontend \
--http-health-checks fancy-fe-frontend-hc \
--port-name frontend \
--global
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-fe-frontend].
NAME: fancy-fe-frontend
BACKENDS:
PROTOCOL: HTTP
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services create fancy-be-orders \
--http-health-checks fancy-be-orders-hc \
--port-name orders \
--global
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-be-orders].
NAME: fancy-be-orders
BACKENDS:
PROTOCOL: HTTP
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services create fancy-be-products \
--http-health-checks fancy-be-products-hc \
--port-name products \
--global
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-be-products].
NAME: fancy-be-products
BACKENDS:
PROTOCOL: HTTP
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Add the Load Balancer’s backend services:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services add-backend fancy-fe-frontend \
--instance-group-zone=$ZONE \
--instance-group fancy-fe-mig \
--global
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-fe-frontend].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services add-backend fancy-be-orders \
--instance-group-zone=$ZONE \
--instance-group fancy-be-mig \
--global
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-be-orders].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services add-backend fancy-be-products \
--instance-group-zone=$ZONE \
--instance-group fancy-be-mig \
--global
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-be-products].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create a URL map. The URL map defines which URLs are directed to which backend services:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute url-maps create fancy-map \
--default-service fancy-fe-frontend
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/urlMaps/fancy-map].
NAME: fancy-map
DEFAULT_SERVICE: backendServices/fancy-fe-frontend
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create a path matcher to allow the /api/orders and /api/products paths to route to their respective services:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute url-maps add-path-matcher fancy-map \
--default-service fancy-fe-frontend \
--path-matcher-name orders \
--path-rules "/api/orders=fancy-be-orders,/api/products=fancy-be-products"
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/urlMaps/fancy-map].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create the proxy which ties to the URL map:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute target-http-proxies create fancy-proxy \
--url-map fancy-map
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/targetHttpProxies/fancy-proxy].
NAME: fancy-proxy
URL_MAP: fancy-map
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create a global forwarding rule that ties a public IP address and port to the proxy:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute forwarding-rules create fancy-http-rule \
--global \
--target-http-proxy fancy-proxy \
--ports 80
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/forwardingRules/fancy-http-rule].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Update the configuration
Now that you have a new static IP address, update the code on the frontend to point to this new address instead of the ephemeral address used earlier that pointed to the backend instance.
- In Cloud Shell, change to the
react-appfolder which houses the.envfile that holds the configuration:
Return to the Cloud Shell Editor and edit the .env file again to point to Public IP of Load Balancer. [LB_IP] represents the External IP address of the backend instance determined above.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices/react-app/
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute forwarding-rules list --global
NAME: fancy-http-rule
REGION:
IP_ADDRESS: 34.36.49.82
IP_PROTOCOL: TCP
TARGET: fancy-proxy
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$
REACT_APP_ORDERS_URL=http://34.36.49.82/api/orders
REACT_APP_PRODUCTS_URL=http://34.36.49.82/api/products
Note: The ports are removed in the new address because the load balancer is configured to handle this forwarding for you.
Rebuild react-app, which will update the frontend code:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices/react-app
npm install && npm run-script build
npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated
npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x.
added 1476 packages, and audited 1477 packages in 20s
202 packages are looking for funding
run `npm fund` for details
16 vulnerabilities (8 moderate, 7 high, 1 critical)
To address issues that do not require attention, run:
npm audit fix
To address all issues (including breaking changes), run:
npm audit fix --force
Run `npm audit` for details.
> frontend@0.1.0 prebuild
> npm run build:monolith
> frontend@0.1.0 build:monolith
> env-cmd -f .env.monolith react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.04 kB (-25 B) build/static/js/main.f58ec764.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild:monolith
> node scripts/post-build.js ./build ../monolith/public
Deleting stale folder: ../monolith/public
Deleted stale destination folder: ../monolith/public
Copying files from ./build to ../monolith/public
Copied ./build to ../monolith/public successfully!
> frontend@0.1.0 build
> react-scripts build
Creating an optimized production build...
Browserslist: caniuse-lite is outdated. Please run:
npx update-browserslist-db@latest
Why you should do it regularly: https://github.com/browserslist/update-db#readme
Compiled successfully.
File sizes after gzip:
93.05 kB (+16 B) build/static/js/main.d934a9e5.js
The project was built assuming it is hosted at /.
You can control this with the homepage field in your package.json.
The build folder is ready to be deployed.
You may serve it with a static server:
npm install -g serve
serve -s build
Find out more about deployment here:
https://cra.link/deployment
> frontend@0.1.0 postbuild
> node scripts/post-build.js ./build ../microservices/src/frontend/public
Deleting stale folder: ../microservices/src/frontend/public
Deleted stale destination folder: ../microservices/src/frontend/public
Copying files from ./build to ../microservices/src/frontend/public
Copied ./build to ../microservices/src/frontend/public successfully!
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$
Copy the application code into your bucket:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~
rm -rf monolith-to-microservices/*/node_modules
gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
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student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Update the frontend instances
Now that there is new code and configuration, you want the frontend instances within the managed instance group to pull the new code.
-
Since your instances pull the code at startup, you can issue a rolling restart command:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed rolling-action replace fancy-fe-mig \ --zone=$ZONE \ --max-unavailable 100% Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig]. --- autoHealingPolicies: - healthCheck: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/healthChecks/fancy-fe-hc initialDelaySec: 300 baseInstanceName: fancy-fe creationTimestamp: '2024-04-23T02:54:03.335-07:00' currentActions: abandoning: 0 creating: 1 creatingWithoutRetries: 0 deleting: 2 none: 0 recreating: 0 refreshing: 0 restarting: 0 resuming: 0 starting: 0 stopping: 0 suspending: 0 verifying: 0 fingerprint: 3ioPM6Mp-qE= id: '3177438549801319380' instanceGroup: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig instanceLifecyclePolicy: defaultActionOnFailure: REPAIR forceUpdateOnRepair: NO instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe kind: compute#instanceGroupManager listManagedInstancesResults: PAGELESS name: fancy-fe-mig namedPorts: - name: frontend port: 8080 selfLink: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig status: allInstancesConfig: effective: true isStable: false stateful: hasStatefulConfig: false perInstanceConfigs: allEffective: true versionTarget: isReached: false targetSize: 2 updatePolicy: maxSurge: calculated: 1 fixed: 1 maxUnavailable: calculated: 2 percent: 100 minimalAction: REPLACE replacementMethod: SUBSTITUTE type: PROACTIVE versions: - instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe name: 0/2024-04-23 10:19:30.428990+00:00 targetSize: calculated: 2 zone: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$In this example of a rolling replace, you specifically state that all machines can be replaced immediately through the
--max-unavailableparameter. Without this parameter, the command would keep an instance alive while restarting others to ensure availability. For testing purposes, you specify to replace all immediately for speed.
Test the website
- Wait 3 minutes after issuing the
rolling-action replacecommand in order to give the instances time to be processed, and then check the status of the managed instance group. Run the following to confirm the service is listed as HEALTHY:
Wait until the 2 services are listed as HEALTHY.
Once both items appear as HEALTHY on the list, exit the watch command by pressing CTRL+C.
If one instance encounters an issue and is UNHEALTHY it should automatically be repaired. Wait for this to happen.
If neither instance enters a HEALTHY state after waiting a little while, something is wrong with the setup of the frontend instances that accessing them on port 8080 doesn’t work. Test this by browsing to the instances directly on port 8080.
The application will be accessible via http://[LB_IP] where [LB_IP] is the IP_ADDRESS specified for the Load Balancer, which can be found with the following command:
gcloud compute forwarding-rules list --global
You’ll be checking the application later in the lab.
watch -n 2 gcloud compute backend-services get-health fancy-fe-frontend --global
Every 2.0s: gcloud compute backend-services get-health fancy-fe-frontend --global cs-666271300898-default: Tue Apr 23 10:22:45 2024
---
backend: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig
status:
healthStatus:
- healthState: HEALTHY
instance: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/fancy-fe-gb8q
ipAddress: 10.138.0.8
port: 8080
- healthState: HEALTHY
instance: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/fancy-fe-tl6r
ipAddress: 10.138.0.9
port: 8080
kind: compute#backendServiceGroupHealth
Scaling Compute Engine
So far, you have created two managed instance groups with two instances each. This configuration is fully functional, but a static configuration regardless of load. Next, you create an autoscaling policy based on utilization to automatically scale each managed instance group.
Automatically resize by utilization
-
To create the autoscaling policy, execute the following:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed set-autoscaling \ fancy-fe-mig \ --zone=$ZONE \ --max-num-replicas 2 \ --target-load-balancing-utilization 0.60 Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-fe-mig-m2nd]. --- autoscalingPolicy: coolDownPeriodSec: 60 loadBalancingUtilization: utilizationTarget: 0.6 maxNumReplicas: 2 minNumReplicas: 2 mode: ON creationTimestamp: '2024-04-23T03:24:19.692-07:00' id: '7774246707026080444' kind: compute#autoscaler name: fancy-fe-mig-m2nd selfLink: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-fe-mig-m2nd status: ACTIVE target: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig zone: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed set-autoscaling \ fancy-be-mig \ --zone=$ZONE \ --max-num-replicas 2 \ --target-load-balancing-utilization 0.60 Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-be-mig-pwdi]. --- autoscalingPolicy: coolDownPeriodSec: 60 loadBalancingUtilization: utilizationTarget: 0.6 maxNumReplicas: 2 minNumReplicas: 2 mode: ON creationTimestamp: '2024-04-23T03:24:48.658-07:00' id: '2064664707260363423' kind: compute#autoscaler name: fancy-be-mig-pwdi selfLink: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-be-mig-pwdi status: ACTIVE target: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-be-mig zone: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$These commands create an autoscaler on the managed instance groups that automatically adds instances when utilization is above 60% utilization, and removes instances when the load balancer is below 60% utilization.
Enable content delivery network
Another feature that can help with scaling is to enable a Content Delivery Network service, to provide caching for the frontend.
-
Execute the following command on the frontend service:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute backend-services update fancy-fe-frontend \ --enable-cdn --global Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/backendServices/fancy-fe-frontend]. student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$When a user requests content from the HTTP(S) load balancer, the request arrives at a Google Front End (GFE) which first looks in the Cloud CDN cache for a response to the user’s request. If the GFE finds a cached response, the GFE sends the cached response to the user. This is called a cache hit.
If the GFE can’t find a cached response for the request, the GFE makes a request directly to the backend. If the response to this request is cacheable, the GFE stores the response in the Cloud CDN cache so that the cache can be used for subsequent requests.
-
Update the website
Updating instance template
Existing instance templates are not editable; however, since your instances are stateless and all configuration is done through the startup script, you only need to change the instance template if you want to change the template settings . Now you’re going to make a simple change to use a larger machine type and push that out.
Complete the following steps to:
- Update the
frontendinstance, which acts as the basis for the instance template. During the update, put a file on the updated version of the instance template’s image, then update the instance template, roll out the new template, and then confirm the file exists on the managed instance group instances. - Modify the machine type of your instance template, by switching from the
e2-standard-2machine type toe2-small.
- Run the following command to modify the machine type of the frontend instance:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances set-machine-type frontend \
--zone=$ZONE \
--machine-type e2-small
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/frontend].
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Create the new Instance Template:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-templates create fancy-fe-new \
--region=$REGION \
--source-instance=frontend \
--source-instance-zone=$ZONE
Created [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe-new].
NAME: fancy-fe-new
MACHINE_TYPE: e2-small
PREEMPTIBLE:
CREATION_TIMESTAMP: 2024-04-23T03:29:09.584-07:00
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Roll out the updated instance template to the Managed Instance Group:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed rolling-action start-update fancy-fe-mig \
--zone=$ZONE \
--version template=fancy-fe-new
Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig].
---
autoHealingPolicies:
- healthCheck: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/healthChecks/fancy-fe-hc
initialDelaySec: 300
baseInstanceName: fancy-fe
creationTimestamp: '2024-04-23T02:54:03.335-07:00'
currentActions:
abandoning: 0
creating: 1
creatingWithoutRetries: 0
deleting: 2
none: 0
recreating: 0
refreshing: 0
restarting: 0
resuming: 0
starting: 0
stopping: 0
suspending: 0
verifying: 0
fingerprint: g3Vf25O8xQ0=
id: '3177438549801319380'
instanceGroup: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig
instanceLifecyclePolicy:
defaultActionOnFailure: REPAIR
forceUpdateOnRepair: NO
instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe-new
kind: compute#instanceGroupManager
listManagedInstancesResults: PAGELESS
name: fancy-fe-mig
namedPorts:
- name: frontend
port: 8080
selfLink: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig
status:
allInstancesConfig:
effective: true
autoscaler: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-fe-mig-m2nd
isStable: false
stateful:
hasStatefulConfig: false
perInstanceConfigs:
allEffective: true
versionTarget:
isReached: false
targetSize: 2
updatePolicy:
maxSurge:
calculated: 1
fixed: 1
maxUnavailable:
calculated: 2
percent: 100
minimalAction: REPLACE
replacementMethod: SUBSTITUTE
type: PROACTIVE
versions:
- instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe-new
targetSize:
calculated: 2
zone: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Wait 3 minutes, and then run the following to monitor the status of the update:
his will take a few moments.
Once you have at least 1 instance in the following condition:
- STATUS: RUNNING
- ACTION set to None
- INSTANCE_TEMPLATE: the new template name (fancy-fe-new)
-
Copy the name of one of the machines listed for use in the next command.
Every 2.0s: gcloud compute instance-groups managed list-instances fancy-fe-mig --zone=us-west1-a cs-666271300898-default: Tue Apr 23 10:31:15 2024 NAME: fancy-fe-g651 ZONE: us-west1-a STATUS: RUNNING HEALTH_STATE: TIMEOUT ACTION: VERIFYING INSTANCE_TEMPLATE: fancy-fe-new VERSION_NAME: LAST_ERROR: NAME: fancy-fe-jnfn ZONE: us-west1-a STATUS: RUNNING HEALTH_STATE: TIMEOUT ACTION: VERIFYING INSTANCE_TEMPLATE: fancy-fe-new VERSION_NAME: LAST_ERROR:
Run the following to see if the virtual machine is using the new machine type (e2-small), where [VM_NAME] is the newly created instance:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instances describe fancy-fe-jnfn --zone=$ZONE | grep machineType
machineType: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/machineTypes/e2-small
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Make changes to the website
Scenario: Your marketing team has asked you to change the homepage for your site. They think it should be more informative of who your company is and what you actually sell.
Task: Add some text to the homepage to make the marketing team happy! It looks like one of the developers has already created the changes with the file name index.js.new. You can just copy this file to index.js and the changes should be reflected. Follow the instructions below to make the appropriate changes.
- Run the following commands to copy the updated file to the correct file name:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices/react-app/src/pages/Home
mv index.js.new index.js
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app/src/pages/Home (qwiklabs-gcp-04-83eb8e6fd864)$ cat ~/monolith-to-microservices/react-app/src/pages/Home/index.js
/*
Copyright 2019 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from "react";
import { Box, Paper, Typography } from "@mui/material";
export default function Home() {
return (
<Box sx=>
<Paper
elevation={3}
sx=
>
<Typography variant="h5">Fancy Fashion & Style Online</Typography>
<br />
<Typography variant="body1">
Tired of mainstream fashion ideas, popular trends and societal norms?
This line of lifestyle products will help you catch up with the Fancy
trend and express your personal style. Start shopping Fancy items now!
</Typography>
</Paper>
</Box>
);
}
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app/src/pages/Home (qwiklabs-gcp-04-83eb8e6fd864)$
You updated the React components, but you need to build the React app to generate the static files.
-
Run the following command to build the React app and copy it into the monolith public directory:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app/src/pages/Home (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~/monolith-to-microservices/react-app npm install && npm run-script build npm WARN deprecated source-map-url@0.4.1: See https://github.com/lydell/source-map-url#deprecated npm WARN deprecated svgo@1.3.2: This SVGO version is no longer supported. Upgrade to v2.x.x. added 1476 packages, and audited 1477 packages in 22s 202 packages are looking for funding run `npm fund` for details 16 vulnerabilities (8 moderate, 7 high, 1 critical) To address issues that do not require attention, run: npm audit fix To address all issues (including breaking changes), run: npm audit fix --force Run `npm audit` for details. > frontend@0.1.0 prebuild > npm run build:monolith > frontend@0.1.0 build:monolith > env-cmd -f .env.monolith react-scripts build Creating an optimized production build... Browserslist: caniuse-lite is outdated. Please run: npx update-browserslist-db@latest Why you should do it regularly: https://github.com/browserslist/update-db#readme Compiled successfully. File sizes after gzip: 93.15 kB (+96 B) build/static/js/main.6e282d58.js The project was built assuming it is hosted at /. You can control this with the homepage field in your package.json. The build folder is ready to be deployed. You may serve it with a static server: npm install -g serve serve -s build Find out more about deployment here: https://cra.link/deployment > frontend@0.1.0 postbuild:monolith > node scripts/post-build.js ./build ../monolith/public Deleting stale folder: ../monolith/public Deleted stale destination folder: ../monolith/public Copying files from ./build to ../monolith/public Copied ./build to ../monolith/public successfully! > frontend@0.1.0 build > react-scripts build Creating an optimized production build... Browserslist: caniuse-lite is outdated. Please run: npx update-browserslist-db@latest Why you should do it regularly: https://github.com/browserslist/update-db#readme Compiled successfully. File sizes after gzip: 93.16 kB (+17 B) build/static/js/main.731a7d6c.js The project was built assuming it is hosted at /. You can control this with the homepage field in your package.json. The build folder is ready to be deployed. You may serve it with a static server: npm install -g serve serve -s build Find out more about deployment here: https://cra.link/deployment > frontend@0.1.0 postbuild > node scripts/post-build.js ./build ../microservices/src/frontend/public Deleting stale folder: ../microservices/src/frontend/public Deleted stale destination folder: ../microservices/src/frontend/public Copying files from ./build to ../microservices/src/frontend/public Copied ./build to ../microservices/src/frontend/public successfully! student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$Then re-push this code to the bucket:
student_01_cad4a58911a5@cloudshell:~/monolith-to-microservices/react-app (qwiklabs-gcp-04-83eb8e6fd864)$ cd ~ rm -rf monolith-to-microservices/*/node_modules gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/ Copying file://monolith-to-microservices/README.md [Content-Type=text/markdown]... Copying file://monolith-to-microservices/setup.sh [Content-Type=text/x-sh]... Copying file://monolith-to-microservices/.gitignore [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/deploy-monolith.sh [Content-Type=text/x-sh]... Copying file://monolith-to-microservices/startup-script.sh [Content-Type=text/x-sh]... Copying file://monolith-to-microservices/package-lock.json [Content-Type=application/json]... Copying file://monolith-to-microservices/CONTRIBUTING.md [Content-Type=text/markdown]... Copying file://monolith-to-microservices/LICENSE [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/package.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/.gitignore [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/package-lock.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/.gcloudignore [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/Dockerfile [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/data/orders.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/.dockerignore [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/data/products.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/k8s/deployment.yml [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/k8s/service.yml [Content-Type=application/octet-stream]... Copying file://monolith-to-microservices/monolith/public/index.html [Content-Type=text/html]... Copying file://monolith-to-microservices/monolith/public/asset-manifest.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/public/manifest.json [Content-Type=application/json]... Copying file://monolith-to-microservices/monolith/public/robots.txt [Content-Type=text/plain]... Copying file://monolith-to-microservices/monolith/public/static/img/products/record-player.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/film-camera.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/air-plant.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/credits.txt [Content-Type=text/plain]... Copying file://monolith-to-microservices/monolith/public/static/img/products/barista-kit.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/terrarium.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/typewriter.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/camp-mug.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/camera-lens.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/img/products/city-bike.jpg [Content-Type=image/jpeg]... Copying file://monolith-to-microservices/monolith/public/static/js/main.6e282d58.js [Content-Type=text/javascript]... 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Copying file://monolith-to-microservices/.git/hooks/pre-receive.sample [Content-Type=application/octet-stream]... / [154/154 files][ 13.6 MiB/ 13.6 MiB] 100% Done 1.1 MiB/s ETA 00:00:00 Operation completed over 154 objects/13.6 MiB. student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Push changes with rolling replacements
-
Now force all instances to be replaced to pull the update:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups managed rolling-action replace fancy-fe-mig \ --zone=$ZONE \ --max-unavailable=100% Updated [https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig]. --- autoHealingPolicies: - healthCheck: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/healthChecks/fancy-fe-hc initialDelaySec: 300 baseInstanceName: fancy-fe creationTimestamp: '2024-04-23T02:54:03.335-07:00' currentActions: abandoning: 0 creating: 1 creatingWithoutRetries: 0 deleting: 2 none: 0 recreating: 0 refreshing: 0 restarting: 0 resuming: 0 starting: 0 stopping: 0 suspending: 0 verifying: 0 fingerprint: aZDWVtdi1_Q= id: '3177438549801319380' instanceGroup: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig instanceLifecyclePolicy: defaultActionOnFailure: REPAIR forceUpdateOnRepair: NO instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe-new kind: compute#instanceGroupManager listManagedInstancesResults: PAGELESS name: fancy-fe-mig namedPorts: - name: frontend port: 8080 selfLink: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroupManagers/fancy-fe-mig status: allInstancesConfig: effective: true autoscaler: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/autoscalers/fancy-fe-mig-m2nd isStable: false stateful: hasStatefulConfig: false perInstanceConfigs: allEffective: true versionTarget: isReached: false targetSize: 2 updatePolicy: maxSurge: calculated: 1 fixed: 1 maxUnavailable: calculated: 2 percent: 100 minimalAction: REPLACE replacementMethod: SUBSTITUTE type: PROACTIVE versions: - instanceTemplate: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/global/instanceTemplates/fancy-fe-new name: 0/2024-04-23 10:36:51.971900+00:00 targetSize: calculated: 2 zone: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Wait 3 minutes after issuing the rolling-action replace command in order to give the instances time to be processed, and then check the status of the managed instance group. Run the following to confirm the service is listed as HEALTHY:
- Once items appear in the list with HEALTHY status, exit the
watchcommand by pressing CTRL+C. - Browse to the website via
http://[LB_IP]where [LB_IP] is the IP_ADDRESS specified for the Load Balancer, which can be found with the following command: - The new website changes should now be visible.
Every 2.0s: gcloud compute backend-services get-health fancy-fe-frontend --global cs-666271300898-default: Tue Apr 23 10:41:15 2024
---
backend: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instanceGroups/fancy-fe-mig
status:
healthStatus:
- healthState: HEALTHY
instance: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/fancy-fe-kkd6
ipAddress: 10.138.0.12
port: 8080
- healthState: HEALTHY
instance: https://www.googleapis.com/compute/v1/projects/qwiklabs-gcp-04-83eb8e6fd864/zones/us-west1-a/instances/fancy-fe-klfc
ipAddress: 10.138.0.13
port: 8080
kind: compute#backendServiceGroupHealth
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute forwarding-rules list --global
NAME: fancy-http-rule
REGION:
IP_ADDRESS: 34.36.49.82
IP_PROTOCOL: TCP
TARGET: fancy-proxy
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Simulate failure
In order to confirm the health check works, log in to an instance and stop the services.
- To find an instance name, execute the following:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute instance-groups list-instances fancy-fe-mig --zone=$ZONE
NAME: fancy-fe-kkd6
ZONE: us-west1-a
STATUS: RUNNING
NAME: fancy-fe-klfc
ZONE: us-west1-a
STATUS: RUNNING
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
Copy an instance name, then run the following to secure shell into the instance, where INSTANCE_NAME is one of the instances from the list:
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ gcloud compute ssh fancy-fe-kkd6 --zone=$ZONE
WARNING: The private SSH key file for gcloud does not exist.
WARNING: The public SSH key file for gcloud does not exist.
WARNING: You do not have an SSH key for gcloud.
WARNING: SSH keygen will be executed to generate a key.
This tool needs to create the directory [/home/student_01_cad4a58911a5/.ssh] before being able to generate SSH keys.
Do you want to continue (Y/n)? y
Generating public/private rsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/student_01_cad4a58911a5/.ssh/google_compute_engine
Your public key has been saved in /home/student_01_cad4a58911a5/.ssh/google_compute_engine.pub
The key fingerprint is:
SHA256:uozxP7bQTWJTLP+p5dECab3VPVzKrbS/w8q1ncsro6s student_01_cad4a58911a5@cs-666271300898-default
The key's randomart image is:
+---[RSA 3072]----+
| |
| . |
| . o .|
| + o ..+o|
| S * . =o+|
| + * o * o.|
| . o . . B =. |
| = oo +.=o++|
| . +ooEoo+o+BB|
+----[SHA256]-----+
Warning: Permanently added 'compute.3222070084709790112' (ED25519) to the list of known hosts.
Linux fancy-fe-kkd6 5.10.0-28-cloud-amd64 #1 SMP Debian 5.10.209-2 (2024-01-31) x86_64
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Creating directory '/home/student-01-cad4a58911a5'.
student-01-cad4a58911a5@fancy-fe-kkd6:~$
Within the instance, use supervisorctl to stop the application:
student-01-cad4a58911a5@fancy-fe-kkd6:~$ sudo supervisorctl stop nodeapp; sudo killall node
nodeapp: stopped
student-01-cad4a58911a5@fancy-fe-kkd6:~$
Exit the instance and monitor the repair operations
Every 2.0s: gcloud compute operations list --filter=operationType~compute.instances.repair.* cs-666271300898-default: Tue Apr 23 10:45:32 2024
NAME: repair-1713869118817-616c14004c69a-9cf4dfed-622d6564
TYPE: compute.instances.repair.recreateInstance
TARGET: us-west1-a/instances/fancy-fe-kkd6
HTTP_STATUS: 200
STATUS: DONE
TIMESTAMP: 2024-04-23T03:45:18.818-07:00
The managed instance group recreated the instance to repair it.
- You can also go to Navigation menu > Compute Engine > VM instances to monitor through the Console.
Congratulations!
You successfully deployed, scaled, and updated your website on Compute Engine.
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$ history
1 gcloud config set compute/zone "us-west1-a"
2 export ZONE=$(gcloud config get compute/zone)
3 gcloud config set compute/region "us-west1"
4 export REGION=$(gcloud config get compute/region)
5 gcloud services enable compute.googleapis.com
6 gsutil mb gs://fancy-store-$DEVSHELL_PROJECT_ID
7 git clone https://github.com/googlecodelabs/monolith-to-microservices.git
8 cd ~/monolith-to-microservices
9 ./setup.sh
10 nvm install --lts
11 cd microservices
12 npm start
13 touch ~/monolith-to-microservices/startup-script.sh
14 cat ~/monolith-to-microservices/startup-script.sh
15 gsutil cp ~/monolith-to-microservices/startup-script.sh gs://fancy-store-$DEVSHELL_PROJECT_ID
16 cd ~
17 rm -rf monolith-to-microservices/*/node_modules
18 gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
19 gcloud compute instances create backend --zone=$ZONE --machine-type=e2-standard-2 --tags=backend --metadata=startup-script-url=https://storage.googleapis.com/fancy-store-$DEVSHELL_PROJECT_ID/startup-script.sh
20 gcloud compute instances list
21 cd ~/monolith-to-microservices/react-app
22 npm install && npm run-script build
23 cd ~
24 rm -rf monolith-to-microservices/*/node_modules
25 gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
26 gcloud compute instances create frontend --zone=$ZONE --machine-type=e2-standard-2 --tags=frontend --metadata=startup-script-url=https://storage.googleapis.com/fancy-store-$DEVSHELL_PROJECT_ID/startup-script.sh
27 gcloud compute firewall-rules create fw-fe --allow tcp:8080 --target-tags=frontend
28 gcloud compute firewall-rules create fw-be --allow tcp:8081-8082 --target-tags=backend
29 gcloud compute instances list
30 gcloud compute instances stop frontend --zone=$ZONE
31 gcloud compute instances stop backend --zone=$ZONE
32 gcloud compute instance-templates create fancy-fe --source-instance-zone=$ZONE --source-instance=frontend
33 gcloud compute instance-templates create fancy-be --source-instance-zone=$ZONE --source-instance=backend
34 gcloud compute instance-templates list
35 gcloud compute instances delete backend --zone=$ZONE
36 gcloud compute instance-groups managed create fancy-fe-mig --zone=$ZONE --base-instance-name fancy-fe --size 2 --template fancy-fe
37 gcloud compute instance-groups managed create fancy-be-mig --zone=$ZONE --base-instance-name fancy-be --size 2 --template fancy-be
38 gcloud compute instance-groups set-named-ports fancy-fe-mig --zone=$ZONE --named-ports frontend:8080
39 gcloud compute instance-groups set-named-ports fancy-be-mig --zone=$ZONE --named-ports orders:8081,products:8082
40 gcloud compute health-checks create http fancy-fe-hc --port 8080 --check-interval 30s --healthy-threshold 1 --timeout 10s --unhealthy-threshold 3
41 gcloud compute health-checks create http fancy-be-hc --port 8081 --request-path=/api/orders --check-interval 30s --healthy-threshold 1 --timeout 10s --unhealthy-threshold 3
42 gcloud compute firewall-rules create allow-health-check --allow tcp:8080-8081 --source-ranges 130.211.0.0/22,35.191.0.0/16 --network default
43 gcloud compute instance-groups managed update fancy-fe-mig --zone=$ZONE --health-check fancy-fe-hc --initial-delay 300
44 gcloud compute instance-groups managed update fancy-be-mig --zone=$ZONE --health-check fancy-be-hc --initial-delay 300
45 gcloud compute http-health-checks create fancy-fe-frontend-hc --request-path / --port 8080
46 gcloud compute http-health-checks create fancy-be-orders-hc --request-path /api/orders --port 8081
47 gcloud compute http-health-checks create fancy-be-products-hc --request-path /api/products --port 8082
48 gcloud compute backend-services create fancy-fe-frontend --http-health-checks fancy-fe-frontend-hc --port-name frontend --global
49 gcloud compute backend-services create fancy-be-orders --http-health-checks fancy-be-orders-hc --port-name orders --global
50 gcloud compute backend-services create fancy-be-products --http-health-checks fancy-be-products-hc --port-name products --global
51 gcloud compute backend-services add-backend fancy-fe-frontend --instance-group-zone=$ZONE --instance-group fancy-fe-mig --global
52 gcloud compute backend-services add-backend fancy-be-orders --instance-group-zone=$ZONE --instance-group fancy-be-mig --global
53 gcloud compute backend-services add-backend fancy-be-products --instance-group-zone=$ZONE --instance-group fancy-be-mig --global
54 gcloud compute url-maps create fancy-map --default-service fancy-fe-frontend
55 gcloud compute url-maps add-path-matcher fancy-map --default-service fancy-fe-frontend --path-matcher-name orders --path-rules "/api/orders=fancy-be-orders,/api/products=fancy-be-products"
56 gcloud compute target-http-proxies create fancy-proxy --url-map fancy-map
57 gcloud compute forwarding-rules create fancy-http-rule --global --target-http-proxy fancy-proxy --ports 80
58 cd ~/monolith-to-microservices/react-app/
59 gcloud compute forwarding-rules list --global
60 cd ~/monolith-to-microservices/react-app
61 npm install && npm run-script build
62 cd ~
63 rm -rf monolith-to-microservices/*/node_modules
64 gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
65 gcloud compute instance-groups managed rolling-action replace fancy-fe-mig --zone=$ZONE --max-unavailable 100%
66 watch -n 2 gcloud compute backend-services get-health fancy-fe-frontend --global
67 gcloud compute instance-groups managed set-autoscaling fancy-fe-mig --zone=$ZONE --max-num-replicas 2 --target-load-balancing-utilization 0.60
68 gcloud compute instance-groups managed set-autoscaling fancy-be-mig --zone=$ZONE --max-num-replicas 2 --target-load-balancing-utilization 0.60
69 gcloud compute backend-services update fancy-fe-frontend --enable-cdn --global
70 gcloud compute instances set-machine-type frontend --zone=$ZONE --machine-type e2-small
71 gcloud compute instance-templates create fancy-fe-new --region=$REGION --source-instance=frontend --source-instance-zone=$ZONE
72 gcloud compute instance-groups managed rolling-action start-update fancy-fe-mig --zone=$ZONE --version template=fancy-fe-new
73 watch -n 2 gcloud compute instance-groups managed list-instances fancy-fe-mig --zone=$ZONE
74 gcloud compute instances describe fancy-fe-jnfn --zone=$ZONE | grep machineType
75 cd ~/monolith-to-microservices/react-app/src/pages/Home
76 mv index.js.new index.js
77 cat ~/monolith-to-microservices/react-app/src/pages/Home/index.js
78 cd ~/monolith-to-microservices/react-app
79 npm install && npm run-script build
80 cd ~
81 rm -rf monolith-to-microservices/*/node_modules
82 gsutil -m cp -r monolith-to-microservices gs://fancy-store-$DEVSHELL_PROJECT_ID/
83 gcloud compute instance-groups managed rolling-action replace fancy-fe-mig --zone=$ZONE --max-unavailable=100%
84 watch -n 2 gcloud compute backend-services get-health fancy-fe-frontend --global
85 gcloud compute forwarding-rules list --global
86 gcloud compute instance-groups list-instances fancy-fe-mig --zone=$ZONE
87 gcloud compute ssh fancy-fe-kkd6 --zone=$ZONE
88 watch -n 2 gcloud compute operations list --filter='operationType~compute.instances.repair.*'
89 history
student_01_cad4a58911a5@cloudshell:~ (qwiklabs-gcp-04-83eb8e6fd864)$
