SSH Key

Type: sshkey

Datasource used to generate SSH keys

Parameters and output

Optional

• name (string) - Key name, must be unique across sshkey datasource instances. Defaults to packer.
• type (string) - Key type, must be either rsa or ed25519. Defaults to rsa.

Output data

• public_key (string) - SSH public key in "ssh-rsa ..." format
• private_key_path (string) - Path to SSH private key

Example

packer {
  required_plugins {
    sshkey = {
      version = ">= 1.0.1"
      source = "github.com/ivoronin/sshkey"
    }
  }
}

data "sshkey" "install" {
}

source "qemu" "install" {
  ssh_username              = "root"
  ssh_private_key_file      = data.sshkey.install.private_key_path
  ssh_clear_authorized_keys = true
  http_content = {
    "/preseed.cfg" = templatefile("preseed.cfg.pkrtpl", {
        "ssh_public_key" : data.sshkey.install.public_key
    })
  }
  <...>
}

build {
  sources = ["source.qemu.install"]
}

packer {
  required_plugins {
    sshkey = {
      version = ">= 1.0.1"
      source = "github.com/ivoronin/sshkey"
    }
  }
}
 
data "sshkey" "install" {
}
 
source "qemu" "install" {
  ssh_username              = "root"
  ssh_private_key_file      = data.sshkey.install.private_key_path
  ssh_clear_authorized_keys = true
  http_content = {
    "/preseed.cfg" = templatefile("preseed.cfg.pkrtpl", {
        "ssh_public_key" : data.sshkey.install.public_key
    })
  }
  <...>
}
 
build {
  sources = ["source.qemu.install"]
}

Notes

• Private key is cached in PACKER_CACHE_DIR (by default packer_cache directory is used). If you delete cached private key it will be regenerated on the next run.
• Packer 1.7.3 or later is required