Início / coding / Perguntas / 76920266
Accepted
Georgii
Asked: 2023-08-17 17:38:30 +0800 CST

A fonte dinâmica do empacotador duplica artefatos

  • 772

O arquivo empacotador a seguir deve produzir um único ou vários ami(s) para diferentes versões do ubuntu, dependendo da variável ubuntu-versions.

packer {
  required_plugins {
    amazon = {
      version = ">= 0.0.2"
      source  = "github.com/hashicorp/amazon"
    }
  }
}

variable "region" {
  default     = "us-east-1"
  type        = string
  description = "A region in which to do the build"
}

variable "regions" {
  default     = ["us-east-1"]
  type        = list(string)
  description = "A list of regions to copy the AMI to."
}

variable "ubuntu-versions" {
  default     = ["18.04", "20.04"]
  type        = list(string)
  description = "Ubuntu version"
}


source "amazon-ebs" "ubuntu-generic" {
}

build {
  name = "ami-builds"
  dynamic "source" {
    for_each = var.ubuntu-versions
    labels   = ["amazon-ebs.ubuntu-generic"]
    content {
      name = "${source.value}"
      skip_create_ami         = false
      ami_name                = "Base hvm ${source.value} {{timestamp}}"
      ami_virtualization_type = "hvm"
      ami_regions             = "${var.regions}"
      instance_type = "m5.large"
      region        = "${var.region}"
      source_ami_filter {
        filters = {
          name                = "ubuntu/images/hvm-ssd/ubuntu-*-${source.value}-amd64-server-*"
          root-device-type    = "ebs"
          virtualization-type = "hvm"
        }
        most_recent = true
        owners      = ["099720109477"]
      }
      ssh_username = "ubuntu"
    }
  }

  post-processor "shell-local" {
    inline = ["echo hello"]
  }
}

Funciona como pretendido, mas notei que o empacotador duplica o número de artefatos produzidos por causa do pós-processador local do shell. Exemplo de saída do empacotador:

ami-builds.amazon-ebs.18.04: output will be in this color.
ami-builds.amazon-ebs.20.04: output will be in this color.

==> ami-builds.amazon-ebs.20.04: Prevalidating any provided VPC information
==> ami-builds.amazon-ebs.20.04: Prevalidating AMI Name: Base hvm 20.04 1692262684
==> ami-builds.amazon-ebs.18.04: Prevalidating any provided VPC information
==> ami-builds.amazon-ebs.18.04: Prevalidating AMI Name: Base hvm 18.04 1692262684
    ami-builds.amazon-ebs.20.04: Found Image ID: ami-011e48799a29115e9
==> ami-builds.amazon-ebs.20.04: Creating temporary keypair: packer_64dde11c-20a0-0506-6989-cb90612bb5f4
    ami-builds.amazon-ebs.18.04: Found Image ID: ami-055744c75048d8296
==> ami-builds.amazon-ebs.18.04: Creating temporary keypair: packer_64dde11c-3226-5d29-6bce-9ddc2948bbde
==> ami-builds.amazon-ebs.20.04: Creating temporary security group for this instance: packer_64dde11d-6e52-5984-0ced-0e8da6ed8038
==> ami-builds.amazon-ebs.18.04: Creating temporary security group for this instance: packer_64dde11d-6b4f-4d47-cbe4-b08021df4c96
==> ami-builds.amazon-ebs.20.04: Authorizing access to port 22 from [0.0.0.0/0] in the temporary security groups...
==> ami-builds.amazon-ebs.18.04: Authorizing access to port 22 from [0.0.0.0/0] in the temporary security groups...
==> ami-builds.amazon-ebs.20.04: Launching a source AWS instance...
==> ami-builds.amazon-ebs.18.04: Launching a source AWS instance...
    ami-builds.amazon-ebs.18.04: Instance ID: i-032358235ea73987b
==> ami-builds.amazon-ebs.18.04: Waiting for instance (i-032358235ea73987b) to become ready...
    ami-builds.amazon-ebs.20.04: Instance ID: i-0a641c49869230a07
==> ami-builds.amazon-ebs.20.04: Waiting for instance (i-0a641c49869230a07) to become ready...
==> ami-builds.amazon-ebs.18.04: Using SSH communicator to connect: 54.89.159.238
==> ami-builds.amazon-ebs.18.04: Waiting for SSH to become available...
==> ami-builds.amazon-ebs.20.04: Using SSH communicator to connect: 54.90.187.148
==> ami-builds.amazon-ebs.20.04: Waiting for SSH to become available...
==> ami-builds.amazon-ebs.20.04: Connected to SSH!
==> ami-builds.amazon-ebs.20.04: Stopping the source instance...
    ami-builds.amazon-ebs.20.04: Stopping instance
==> ami-builds.amazon-ebs.20.04: Waiting for the instance to stop...
==> ami-builds.amazon-ebs.18.04: Connected to SSH!
==> ami-builds.amazon-ebs.18.04: Stopping the source instance...
    ami-builds.amazon-ebs.18.04: Stopping instance
==> ami-builds.amazon-ebs.18.04: Waiting for the instance to stop...
==> ami-builds.amazon-ebs.18.04: Creating AMI Base hvm 18.04 1692262684 from instance i-032358235ea73987b
    ami-builds.amazon-ebs.18.04: AMI: ami-021f569184d752422
==> ami-builds.amazon-ebs.18.04: Waiting for AMI to become ready...
==> ami-builds.amazon-ebs.20.04: Creating AMI Base hvm 20.04 1692262684 from instance i-0a641c49869230a07
    ami-builds.amazon-ebs.20.04: AMI: ami-0ff2caa45b3b4c0dd
==> ami-builds.amazon-ebs.20.04: Waiting for AMI to become ready...
==> ami-builds.amazon-ebs.18.04: Skipping Enable AMI deprecation...
==> ami-builds.amazon-ebs.18.04: Terminating the source AWS instance...
==> ami-builds.amazon-ebs.18.04: Cleaning up any extra volumes...
==> ami-builds.amazon-ebs.18.04: No volumes to clean up, skipping
==> ami-builds.amazon-ebs.18.04: Deleting temporary security group...
==> ami-builds.amazon-ebs.18.04: Deleting temporary keypair...
==> ami-builds.amazon-ebs.18.04: Running post-processor:  (type shell-local)
==> ami-builds.amazon-ebs.18.04 (shell-local): Running local shell script: /tmp/packer-shell3820714757
    ami-builds.amazon-ebs.18.04 (shell-local): hello
Build 'ami-builds.amazon-ebs.18.04' finished after 3 minutes 43 seconds.
==> ami-builds.amazon-ebs.20.04: Skipping Enable AMI deprecation...
==> ami-builds.amazon-ebs.20.04: Terminating the source AWS instance...
==> ami-builds.amazon-ebs.20.04: Cleaning up any extra volumes...
==> ami-builds.amazon-ebs.20.04: No volumes to clean up, skipping
==> ami-builds.amazon-ebs.20.04: Deleting temporary security group...
==> ami-builds.amazon-ebs.20.04: Deleting temporary keypair...
==> ami-builds.amazon-ebs.20.04: Running post-processor:  (type shell-local)
==> ami-builds.amazon-ebs.20.04 (shell-local): Running local shell script: /tmp/packer-shell1219348302
    ami-builds.amazon-ebs.20.04 (shell-local): hello
Build 'ami-builds.amazon-ebs.20.04' finished after 4 minutes 29 seconds.

==> Wait completed after 4 minutes 29 seconds

==> Builds finished. The artifacts of successful builds are:
--> ami-builds.amazon-ebs.18.04: AMIs were created:
us-east-1: ami-021f569184d752422

--> ami-builds.amazon-ebs.18.04: AMIs were created:
us-east-1: ami-021f569184d752422

--> ami-builds.amazon-ebs.20.04: AMIs were created:
us-east-1: ami-0ff2caa45b3b4c0dd

--> ami-builds.amazon-ebs.20.04: AMIs were created:
us-east-1: ami-0ff2caa45b3b4c0dd

Como você pode ver, ami-021f569184d752422 e ami-0ff2caa45b3b4c0dd foram relatados duas vezes. Sem o pós-processador, não há duplicação. Por quê?

1 respostas

  1. Best Answer

    A post-processorcria artefato(s) adicional(is) a partir do(s) artefato(s) anterior(es). Se você não deseja os artefatos adicionais, mas deseja que os comandos do shell sejam executados no artefato durante a compilação, na verdade deseja o provisionerbloco:

    provisioner "shell-local" {
  inline = ["echo hello"]
}
    • 1

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