Google Cloud Platform Blog: Automating configuration management with Google Cloud Deployment Manager and Puppet

Automating configuration management with Google Cloud Deployment Manager and Puppet

Monday, October 26, 2015

Google Cloud Deployment ManagerPuppetsigning up a free trial Install and configure the Google Cloud SDKinstall and configure the Google Cloud SDK Set up a Puppet masteropen Click-to-Deploy Puppet in the Developers Console Create a Deployment Manager configuration fileweb-server.yaml resources: - name: managed-by-puppet type: compute.v1.instance properties:    zone: us-central1-f    machineType: https://www.googleapis.com/compute/v1/projects/<your_project>/zones/us-central1-f/machineTypes/f1-micro    disks:    - deviceName: boot      type: PERSISTENT      boot: true      autoDelete: true      initializeParams:        sourceImage: https://www.googleapis.com/compute/v1/projects/debian-cloud/global/images/debian-8-jessie-v20150818    networkInterfaces:    - network: https://www.googleapis.com/compute/v1/projects/<your_project>/global/networks/default      accessConfigs:      - name: External NAT        type: ONE_TO_ONE_NAT    tags:      items:        - http-server    metadata:      items:      - key: startup-script        value: |          #!/bin/bash          apt-get install -y puppet
         cat <<EOF >> /etc/puppet/puppet.conf                    [agent]          server = <puppet_master_instance_name>          EOF
         systemctl enable puppet          systemctl restart puppet
When you run Deployment Manager using this template, Deployment Manager will create a new Debian-based f1-micro instance, then run the startup script defined by the startup-script attribute in the metadata section of the template. Here, the startup script is configured to perform the following actions:

Install Puppet

Edit the Puppet configuration file to point at your Puppet master instance

Connect your instance to the Puppet master instance as a Puppet node

Create and connect a new instance$ gcloud deployment-manager deployments create managed-by-puppet --config web-server.yamlf1-micromanaged-by-puppet Approve the pending certificate request

Navigate to the VM Instances page in your Developers Console.

Click the SSH button next to your Puppet master instance to connect to your instance via a browser-based SSH terminal.

In the SSH terminal, run the following command to see a list of outstanding Puppet certificate requests:
$ sudo puppet cert list
The output should be similar to the following, with only one request listed: [evan@puppet1-puppet-master c2d]# puppet cert list "managed-by-puppet.c..internal" (SHA256) 4D:B3:C2:33:38:

Sign that request by running the following command, replacing (your_project) with your project name:

$ sudo puppet cert sign                                                managed-by-puppet.c.(your_project).internal

Delete your deployment and Puppet master

Navigate to the Deployments page in your Developers Console:

Click the trash can icon next to the deployment.

Navigate to the VM Instances page in your Developers Console.

Check the box next to your Puppet master instance.

Click the Delete button at the top of the page.

Posted by Evan Brown (@evandbrown), Solutions Architect

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