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Atomic App Command Line Interface (CLI)

The Atomic App software allows for several actions to be applied to specified applications. The four actions that exist today are briefly described below.

CLI Commands

genanswers

Will download and combine artifacts from the target application in a temporary directory and then take the generated sample answers.conf file and populate it in the users working directory. The temporary directory is then cleaned up.

init

Initialize a directory with an example Atomic App application using the centos/httpd container image. This is a templated file structure including Docker and Kubernetes artifact examples.

index

Use an index.yaml file located within ~/.atomicapp/index.yaml for outputting a series of featured Nuleculized applications

ID                        VER      PROVIDERS  LOCATION                                             
postgresql-atomicapp      1.0.0    {D,O,K}    docker.io/projectatomic/postgresql-centos7-atomicapp 
flask_redis_nulecule      0.0.1    {D,K}      docker.io/projectatomic/flask-redis-centos7-atomicapp
redis-atomicapp           0.0.1    {D,O,K}    docker.io/projectatomic/redis-centos7-atomicapp      
...

fetch

Will download and combine artifacts from the target application and any dependent applications including sample answers.conf file into a local directory for inspection and/or modification. This is the same for all providers.

run

Will run an application.

Provider Implementation
Docker Run application containers on local machine.
Kubernetes Run requested application in Kubernetes target environment.
Openshift Run requested application in OpenShift target environment.
Marathon Run requested application in Marathon target environment.

stop

Will stop an application.

Provider Implementation
Docker Stop application containers on local machine.
Kubernetes Stop requested application in Kubernetes target environment.
Openshift Stop requested application in OpenShift target environment.
Marathon Stop requested application in Marathon target environment.

Providers

Providers may be specified using the answers.conf file or the --provider <provider> option. If a provider is not explicitly implied and only one provider exists within the Nulecule container, Atomic App will use said provider. If neither are detected, Atomic App will use Kubernetes by default.

Sample answers.conf file specifying provider

[general]
provider = openshift

Using the --provider <provider> option will override the provider in the answerfile.

Supported providers

  • kubernetes (default)
  • openshift
  • docker