Cloud - packer.io

Voir aussi :

Config

Prereq

~/.aws/config

[default]
region = us-east-2
output = table

~/.aws/credentials

[default]
aws_access_key_id = AKIAR5WS3MDOSPIUHRU7
aws_secret_access_key =

Exécution

packer/example.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": ""
  },
  "provisioners": [{
        "type": "ansible",
        "playbook_file": "../ansible/play-test.yml"
  }],
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "us-east-2",
    "source_ami_filter": {
      "filters": {
        "virtualization-type": "hvm",
        "name": "ubuntu/images/*ubuntu-xenial-16.04-amd64-server-*",
        "root-device-type": "ebs"
      },
      "owners": ["099720109477"],
      "most_recent": true
    },
    "instance_type": "t2.micro",
    "ssh_username": "ubuntu",
    "ami_name": "packer-example {{timestamp}}"
  }]
}

ansible/play-test.yml

---

- name: test1
  hosts: all
  become: true

  vars:
    ansible_python_interpreter: /usr/bin/python3

  tasks:
    - name: plop
      shell: echo plop > /plop

packer validate example.json
packer build example.json

Debug

packer build --debug example.json

Pour pouvoir se connecter en SSH sur l'instance.

    "ssh_keypair_name": "nom_de_la_clef_presente_sur_aws",
    "ssh_private_key_file": "/home/admin/.ssh/id_rsa",


ssh_keypair_name	Nom de la pair de clefs présente sur AWS. Utilisé par AWS pour créer l'instance
ssh_private_key_file	Chemin de la clef privée pour que Packer puisse se connecter sur l'instance

Normalement seul ssh_username est nécessaire à la création de l'AMI.

Pour se connecter en SSH sur une instance déjà crée

$ ps -ef |grep ssh 
ssh -o ControlMaster=auto -o ControlPersist=30m -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o Port=39087 -o IdentityFile="/tmp/ansible-key896233465" -o KbdInteractiveAuthentication=no -o PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey -o PasswordAuthentication=no -o User="admin" -o ConnectTimeout=10 -o ControlPath=/home/admin/.ansible/cp/d7af4b579b 127.0.0.1 /bin/sh

ssh admin@localhost -i /tmp/ansible-key896233465 -p 39087 /bin/bash
 
ansible-playbook --extra-vars packer_build_name=amazon-ebs -e packer_builder_type=amazon-ebs -i /tmp/packer-provisioner-ansible966542596 /home/admin/workspace/Deploy_AMI_SCM_v2/905239-packebuild/ansible/playbook.yml -e ansible_ssh_private_key_file=/tmp/ansible-key896233465