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Deploy Serverless Application using Ansible Easily

This post will show you How to Deploy Serverless Application using Ansible Easily with step by step procedure.. 

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Deploy Serverless Application using Ansible Easily

Let's get started.

How to Deploy Serverless Application using Ansible?

In order to deploy a serverless applications using Ansible, you will need to have Ansible installed on your local machine and have access to an AWS account.

Ansible is a configuration management tool that can be used to deploy serverless applications. To deploy a serverless application using Ansible, you would need to create an Ansible playbook that defines the steps required to deploy the application.

Here's an example of a simple Ansible playbook that deploys a serverless application using the AWS Lambda service:

---

- name: Deploy serverless application

  hosts: localhost

  connection: local

  vars:

    function_name: my-serverless-app

    function_handler: index.handler

    function_runtime: nodejs12.x

    function_zip: my-serverless-app.zip

  tasks:

  - name: Create a new Lambda function

    lambda:

      name: "{{ function_name }}"

      state: present

      runtime: "{{ function_runtime }}"

      handler: "{{ function_handler }}"

      zip_file: "{{ function_zip }}"


This playbook creates a new Lambda function with the specified name, runtime, handler, and zip file. Once the playbook is run, the serverless application will be deployed to AWS Lambda.

You can run this playbook by using the ansible-playbook command, like this:

ansible-playbook -i inventory.ini deploy-serverless-app.yml

It's important to note that you'll need to have the necessary permissions and credentials to deploy the serverless application and also to have the ansible modules boto3, boto, botocore installed on the machine where you are running the playbook.

Here is an another example of an Ansible playbook that deploys a simple serverless application using AWS Lambda and CloudFormation:

---

- name: Deploy serverless application

  hosts: localhost

  connection: local

  vars:

    function_name: my-serverless-app

    runtime: python3.8

    handler: main.handler

    description: My serverless application

    timeout: 30

    memory_size: 128

    code_path: path/to/code.zip

    template_path: path/to/template.yml

  tasks:

  - name: Create IAM role for Lambda function

    iam_role:

      name: "{{ function_name }}-role"

      assume_role_policy_document:

        Version: '2012-10-17'

        Statement:

          - Effect: Allow

            Principal:

              Service:

                - lambda.amazonaws.com

            Action:

              - sts:AssumeRole

    register: role


  - name: Create Lambda function

    lambda_function:

      name: "{{ function_name }}"

      role: "{{ role.arn }}"

      runtime: "{{ runtime }}"

      handler: "{{ handler }}"

      description: "{{ description }}"

      timeout: "{{ timeout }}"

      memory_size: "{{ memory_size }}"

      zip_file: "{{ code_path }}"


  - name: Create or update CloudFormation stack

    cloudformation:

      stack_name: "{{ function_name }}-stack"

      template: "{{ template_path }}"

      state: present


This is just an example, you can adjust the task to your needs, and also you need to have the AWS credentials setup to use the modules.

That’s it for this post, Hope this post helped you to understand How to Deploy Serverless Application using Ansible Easily.

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