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AWS Cloud Formation deployment CLI

Project description

Senza is a command line tool for generating and executing AWS Cloud Formation templates in a sane way. It supports Cloud Formation templates as YAML input and adds own ‘components’ on top. Components are predefined Cloud Formation snippets that are easy to configure and generate all the boilerplate JSON that is required by Cloud Formation.

Installation

$ sudo pip3 install --upgrade stups-senza

Usage

$ senza ./my-definition.yaml create eu-west-1 1.0

Senza Definition

# basic information for generating and executing this definition
SenzaInfo:
StackName: kio
OperatorTopicId: arn:aws:sns:eu-west-1:1234567890:kio-operators
Parameters:
    - ImageVersion:
        Description: "Docker image version of Kio."

# a list of senza components to apply to the definition
SenzaComponents:

# this basic configuration is required for the other components
- Configuration:
    Type: Senza::Configuration
    ServerSubnets:
        eu-west-1:
        - subnet-123456
        - subnet-123456
        - subnet-123456
        eu-central-1:
        - subnet-123456
        - subnet-123456
    LoadBalancerSubnets:
        eu-west-1:
        - subnet-123456
        - subnet-123456
        - subnet-123456
        eu-central-1:
        - subnet-123456
        - subnet-123456
    Images:
        AppImage:
        eu-west-1: ami-123456
        eu-central-1: ami-123456

# will create a launch configuration and auto scaling group with scaling triggers
- AppServer:
    Type: Senza::TaupageAutoScalingGroup
    InstanceType: t2.micro
    Image: AppImage
    SecurityGroups:
        - sg-123456
    ElasticLoadBalancer: AppLoadBalancer
    TaupageConfig:
        runtime: Docker
        source: stups/kio:{{Arguments.ImageVersion}}
        ports:
        8080: 8080
        notify_cfn:
        stack: "{{SenzaInfo.StackName}}-{{SenzaInfo.StackVersion}}"
        resource: "AppServer"
        environment:
        HTTP_CORS_ORIGIN: "*.example.com"
        PGSSLMODE: verify-full
        DB_SUBNAME: "//kio.example.eu-west-1.rds.amazonaws.com:5432/kio?ssl=true"
        DB_USER: kio
        DB_PASSWORD: aws:kms:abcdef1234567890abcdef=
    AutoScaling:
        Minimum: 2
        Maximum: 10
        MetricType: CPU
        ScaleUpThreshold: 70
        ScaleDownThreshold: 40

# creates an ELB entry and Route53 domains to this ELB
- AppLoadBalancer:
    Type: Senza::ElasticLoadBalancer
    HTTPPort: 8080
    SSLCertificateId: arn:aws:iam::1234567890:server-certificate/kio-example-com
    HealthCheckPath: /ui/
    SecurityGroups:
        - sg-123456
    Domains:
        MainDomain:
        Type: weighted
        Zone: example.com
        Subdomain: kio
        VersionDomain:
        Type: standalone
        Zone: example.com
        Subdomain: kio-{{SenzaInfo.StackVersion}}


# just plain Cloud Formation definitions are fully supported:

Outputs:
URL:
    Description: "The ELB URL of the new Kio deployment."
    Value:
    "Fn::Join":
        - ""
        -
        - "http://"
        - "Fn::GetAtt":
            - AppLoadBalancer
            - DNSName

During evaluation, you can mustache templating with access to the rendered definition, including the SenzaInfo, SenzaComponents and Arguments key (containing all given arguments).

Components

  • Senza::Configuration

  • Senza::AutoScalingGroup

  • Senza::TaupageAutoScalingGroup

  • Senza::ElasticLoadBalancer

Project details


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This version

0.1

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