endoscopie 0.1.2

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Introduction

Endoscopie는 OS 이미지로 생성된 Virtual Machine(이하 VM)의 기본 동작을 테스트하는 도구입니다.

endoscopie는 내시경을 의미(endoscopy)하는 단어로 VM 내부를 들여다보고(?) 검사하는 도구

Installation

Requirements

• python >= 3.9, < 4.0
• terraform

Install Terraform

CentOS/RHEL

1. Install yum-utils package

$ sudo yum install -y yum-utils

2. Add yum repository

$ sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo

3. Confirm repository is added

$ sudo dnf repolist
repo id       repo name
hashicorp     Hashicorp Stable - x86_64

4. Install terraform

$ sudo yum -y install terraform

Ubuntu/Debian

1. You will use these packages to verify HashiCorp's GPG signature and install HashiCorp's Debian package repository.

$ sudo apt-get update && sudo apt-get install -y gnupg software-properties-common

2. Install the HashCorp GPG key

$ wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | \
    sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg

3. Verify the key's fingerprint

$ gpg --no-default-keyring --keyring /usr/share/keyrings/hashicorp-archive-keyring.gpg --fingerprint

4. Add the official HashiCorp repository to your system.

$ echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] \
    https://apt.releases.hashicorp.com $(lsb_release -cs) main" | \
    sudo tee /etc/apt/sources.list.d/hashicorp.list

5. Download the package information from HashiCorp.

$ sudo apt update

6. Install Terraform from the new repository

$ sudo apt-get -y install terraform

OS X

1. First, install the HashiCorp tap, a repository of all our Homebrew packages.

$ brew tap hashicorp/tap

2. Now, install Terraform with hashicorp/tap/terraform.

$ brew install hashicorp/tap/terraform

3. To update to the latest version of Terraform, first update Homebrew.

$ brew update

4. Then, run the upgrade command to download and use the latest Terraform version.

$ brew upgrade hashicorp/tap/terraform

Verify the installation

Verify that the installation worked by opening a new terminal session and listing Terraform's available subcommands.

$ terraform --help
Usage: terraform [global options] <subcommand> [args]

The available commands for execution are listed below.
The primary workflow commands are given first, followed by
less common or more advanced commands. 
...

Install Endoscopie

$ pip install endoscopie==0.1.0

Test Configuration

endoscopie로 테스트를 수행할 때, OS 이미지에 대한 정보와 더불어 VM이 생성된 후 의도한 대로 동작하고 있는지를 확인할 수 있는 정보들도 제공해야 합니다. 아래에 테스트 실행을 위한 필수 필드와 검증해야할 정보들을 보여주는 .yaml 파일 예시가 있습니다.

openstack:
  OS_REGION_NAME: # region name (ex: kr-central-1)
  OS_AUTH_URL: # openstack auth url
  OS_AUTH_TYPE: # v3applicationcredential
  OS_APPLICATION_CREDENTIAL_ID: # openstack application credential id 
  OS_APPLICATION_CREDENTIAL_SECRET: # openstack application credential secret
bastionHost:
  ip: # Bastion host ip(v4) 
  user: # OS login username
  keypair:
    name: # keypair file name for bastion host
    path: # keypair file path for bastion host
instance:
  keypair:
    name: # keypair file name for new instances
    path: # keyapir file path for new instances
    description:
  vpc:
    id: # user vpc id
    subnet: # user vpc subnet id
    securityGroups:
      - # security groups
images:
  - id: # OS image id 
    name: # OS image name (ex: Ubuntu 18.04)
    osType: # type of os name (ex: ubuntu, centos, rocky, or almalinux)
    osVersion: # OS version
    osUser: # OS username (for login user)
    volumeSize: # root volume size (ex: 100) GiB
    flavors:
      - name: # flavor name
        id:  # flavor id
    userScript:
      path: 
    assertThat:
      resources:
        - vCPU: 
          memory: 
          volume: 
      processes:
        - # running processe(s)
      ports:
        - # opened port(s)
  ...

Description

위에 예시로 제시된 필드 대부분은 필수 필드이며, 생각 가능한 경우 별도 표시

• openstack: 테스트 수행 환경의 사용자 인증 정보 설정
• bastionHost: 사설망에 생성되는 VM에 접속하기 위한 bastion host 정보 설정
• instance: 생성되는 VM에 공통적으로 적용되는 정보 설정
• images: 테스트할 이미지와 플레이버 정보, 생성된 VM 검사를 위한 조건 설정
  • flavors : 여러개의 플레이버 정보를 설정 가능
  • assertThat.resources: flavors에 설정한 개수와 순서대로 설정

Usage

To get a list of basic options and switches use:

$ endoscopie --help

 Usage: endoscopie [OPTIONS] COMMAND [ARGS]...

╭─ Options ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ --install-completion        [bash|zsh|fish|powershell|pwsh]  Install completion for the specified shell. [default: None]                                                                         │
│ --show-completion           [bash|zsh|fish|powershell|pwsh]  Show completion for the specified shell, to copy it or customize the installation. [default: None]                                  │
│ --help                                                       Show this message and exit.                                                                                                         │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
╭─ Commands ───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ cleanup                                                                                                                                                                                          │
│ run                                                                                                                                                                                              │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯

Command run

$ endoscopie run --help

 Usage: endoscopie run [OPTIONS]

╭─ Options ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ *  --config        PATH  Set YAML file in which the datas required for image verify. [default: None] [required]                                                                                  │
│    --help                Show this message and exit.                                                                                                                                             │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯

Command cleanup

$ endoscopie cleanup --help

 Usage: endoscopie cleanup [OPTIONS]

╭─ Options ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ --help          Show this message and exit.                                                                                                  │
╰──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯