aws-cloudformation 1.5.1

⭐ AWS CloudFormation deployment for human, Enable terraform plan, terraform apply styled deployment.

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Welcome to aws_cloudformation Documentation

AWS CloudFormation deployment for human, Enable terraform plan, terraform apply styled deployment.

Features:

1. Preview the change set details before deployment.

2. Automatically upload big template to S3 before deployment, even for nested template.

3. Support SYNC call for deployment and deletion, wait until it success or fail (the original API is ASYNC call).

4. Allow prompt for user to enter “YES” to proceed.

5. Provide hyperlink for one-click to jump to the Console to preview.

Table of Content

• Talk is cheap, show me the code

• Install

Talk is cheap, show me the code

⭐ Console Output:

============== Deploy stack: 'cottonformation-deploy-stack-test' ===============
  preview stack in AWS CloudFormation console: https://console.aws.amazon.com/cloudformation/home?#/stacks?filteringStatus=active&filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false
  preview **change set details** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/changesets/changes?stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&changeSetId=arn:aws:cloudformation:us-east-1:111122223333:changeSet/cottonformation-deploy-stack-test-2022-12-08-04-51-58-892/8c88d0c1-d5c7-495b-820e-29e5752a04d4
  wait for change set creation to finish ...
    on 1 th attempt, elapsed 5 seconds, remain 55 seconds ...
    reached status CREATE_COMPLETE
+---------------------------- Change Set Statistics -----------------------------
| 🟢 Add        1 Resource
|
+--------------------------------------------------------------------------------
+----------------------------------- Changes ------------------------------------
| 🟢 📦 Add Resource:        Secret1    AWS::SecretsManager::Secret
|
+--------------------------------------------------------------------------------
    need to execute the change set to apply those changes.
  preview **create stack progress** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/stackinfo?filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false&stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&filteringStatus=active
  wait for deploy to finish ...
    on 2 th attempt, elapsed 10 seconds, remain 50 seconds ...
    reached status 🟢 'CREATE_COMPLETE'
  done


============== Deploy stack: 'cottonformation-deploy-stack-test' ===============
  preview stack in AWS CloudFormation console: https://console.aws.amazon.com/cloudformation/home?#/stacks?filteringStatus=active&filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false
  preview **change set details** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/changesets/changes?stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&changeSetId=arn:aws:cloudformation:us-east-1:111122223333:changeSet/cottonformation-deploy-stack-test-2022-12-08-04-52-39-134/8e1fd139-7a37-43dd-9378-40a328970036
  wait for change set creation to finish ...
    on 1 th attempt, elapsed 5 seconds, remain 55 seconds ...
    reached status CREATE_COMPLETE
+---------------------------- Change Set Statistics -----------------------------
| 🟢 Add        1 Resource
| 🔵 Modify     1 Resource
|
+--------------------------------------------------------------------------------
+----------------------------------- Changes ------------------------------------
| 🟢 📦 Add Resource:        Secret222    AWS::SecretsManager::Secret
| 🔵 📦 Modify Resource:     Secret1      AWS::SecretsManager::Secret
|     🔵 💡 Properties:      Secret1      AWS::SecretsManager::Secret.Description
|     🔵 💡 Tags:            Secret1      AWS::SecretsManager::Secret
|
+--------------------------------------------------------------------------------
    need to execute the change set to apply those changes.
  preview **update stack progress** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/stackinfo?filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false&stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&filteringStatus=active
  wait for deploy to finish ...
    on 3 th attempt, elapsed 15 seconds, remain 45 seconds ...
    reached status 🟢 'UPDATE_COMPLETE'
  done


============== Deploy stack: 'cottonformation-deploy-stack-test' ===============
  preview stack in AWS CloudFormation console: https://console.aws.amazon.com/cloudformation/home?#/stacks?filteringStatus=active&filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false
  preview **change set details** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/changesets/changes?stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&changeSetId=arn:aws:cloudformation:us-east-1:111122223333:changeSet/cottonformation-deploy-stack-test-2022-12-08-04-53-07-499/6edbcdf2-8e27-463f-bc5f-35587463fceb
  wait for change set creation to finish ...
    on 2 th attempt, elapsed 10 seconds, remain 50 seconds ...
    reached status CREATE_COMPLETE
+---------------------------- Change Set Statistics -----------------------------
| 🟢 Add        1 Resource
| 🔵 Modify     1 Resource
| 🔴 Remove     1 Resource
|
+--------------------------------------------------------------------------------
+----------------------------------- Changes ------------------------------------
| 🟢 📦 Add Resource:        Secret33333    AWS::SecretsManager::Secret
| 🔵 📦 Modify Resource:     Secret222      AWS::SecretsManager::Secret
|     🔵 💡 Properties:      Secret222      AWS::SecretsManager::Secret.Description
|     🔵 💡 Metadata:        Secret222      AWS::SecretsManager::Secret
|     🔵 💡 CreationPolicy:  Secret222      AWS::SecretsManager::Secret
|     🔵 💡 UpdatePolicy:    Secret222      AWS::SecretsManager::Secret
|     🔵 💡 Tags:            Secret222      AWS::SecretsManager::Secret
| 🔴 📦 Remove Resource:     Secret1        AWS::SecretsManager::Secret
|
+--------------------------------------------------------------------------------
    need to execute the change set to apply those changes.
  preview **update stack progress** at: https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/stackinfo?filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false&stackId=arn:aws:cloudformation:us-east-1:111122223333:stack/cottonformation-deploy-stack-test/0c5596c0-76b4-11ed-92b1-0a0bcad48579&filteringStatus=active
  wait for deploy to finish ...
    on 3 th attempt, elapsed 15 seconds, remain 45 seconds ...
    reached status 🟢 'UPDATE_COMPLETE'
  done


=============== Remove stack 'cottonformation-deploy-stack-test' ===============
  preview stack in AWS CloudFormation console: https://console.aws.amazon.com/cloudformation/home?#/stacks?filteringStatus=active&filteringText=cottonformation-deploy-stack-test&viewNested=true&hideStacks=false
  wait for delete to finish ...
    on 1 th attempt, elapsed 5 seconds, remain 55 seconds ...
    already deleted.
  done

⭐ CloudFormation declaration, see cottonformation:

# -*- coding: utf-8 -*-

import cottonformation as cf
from cottonformation.res import secretsmanager


def make_tpl_1() -> cf.Template:
    """
    Create Secret1
    """
    tpl = cf.Template()

    secret1 = secretsmanager.Secret(
        "Secret1",
        p_Name="aws_cft_secret1",
        p_Description="This is Secret 1",
        p_Tags=[
            cf.Tag(p_Key="Creator", p_Value="Alice"),
            cf.Tag(p_Key="Description", p_Value="Hello"),
        ]
    )
    tpl.add(secret1)

    return tpl


def make_tpl_2() -> cf.Template:
    """
    Modify Secret1
    Create Secret222
    """
    tpl = make_tpl_1()

    secret1: secretsmanager.Secret = tpl.Resources["Secret1"]
    secret1.p_Description = "This must be Secret 1"
    secret1.p_Tags = [
        cf.Tag(p_Key="Creator", p_Value="Bob"),
        cf.Tag(p_Key="Env", p_Value="Dev"),
    ]

    secret2 = secretsmanager.Secret(
        "Secret222",
        p_Name="aws_cft_secret2",
        p_Description="This is Secret 2",
    )
    tpl.add(secret2)

    output_secret2_arn = cf.Output(
        "Secret222Arn",
        Value=secret2.ref(),
    )
    tpl.add(output_secret2_arn)

    return tpl


def make_tpl_3() -> cf.Template:
    """
    Delete Secret1
    Modify Secret222
    Create Secret33333
    """
    tpl = make_tpl_2()

    tpl.remove(tpl.Resources["Secret1"])

    secret2: secretsmanager.Secret = tpl.Resources["Secret222"]
    secret2.p_Description = "This definitely be Secret 2"
    secret2.p_Tags = [
        cf.Tag(p_Key="Creator", p_Value="Cathy"),
        cf.Tag(p_Key="Env", p_Value="QA"),
    ]
    secret2.ra_Metadata = {"email": "[e-mail]"}

    secret3 = secretsmanager.Secret(
        "Secret33333",
        p_Name="aws_cft_secret3",
        p_Description="This is Secret 3",
    )
    tpl.add(secret3)

    return tpl

⭐ Deployment Script:

# -*- coding: utf-8 -*-

from aws_cloudformation.api import deploy_stack, remove_stack
from aws_cloudformation.tests import bsm
from aws_cloudformation.tests.stacks.secretmanager_stack import (
    make_tpl_1,
    make_tpl_2,
    make_tpl_3,
)

stack_name = "cottonformation-deploy-stack-test"

deploy_stack(
    bsm,
    stack_name=stack_name,
    template=make_tpl_1().to_json(),
    skip_prompt=True, # by default, it prompt user input for YES / NO to proceed
    # skip_plan=False, # by default, it does plan first
    # wait=True, # by default, it waits the update to finish
)

deploy_stack(
    bsm,
    stack_name=stack_name,
    template=make_tpl_2().to_json(),
    skip_prompt=True,
)

deploy_stack(
    bsm,
    stack_name=stack_name,
    template=make_tpl_3().to_json(),
    skip_prompt=True,
)

remove_stack(
    bsm,
    stack_name=stack_name,
    skip_prompt=True,
)

Install

aws_cloudformation is released on PyPI, so all you need is:

$ pip install aws_cloudformation

To upgrade to latest version:

$ pip install --upgrade aws_cloudformation