mollstam / terraform-provider-ssh

Copy files and run commands remotely via SSH, with bastion and proxy support

Home Page:https://registry.terraform.io/providers/loafoe/ssh/latest

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SSH Terraform provider

Overview

This is a Terraform provider to copy files, run commands remotely and capture results via SSH. Unlike the Terraform provisioners which are described as a "last resort" this provider embraces the concept of pushing and executing content to compute instances over SSH. Apart from bastion hosts it also supports tunneling over HTTP proxies. This is very useful if you are running Terraform from inside a corporate network and need to reach out to your instances.

Using the provider

To install this provider, copy and paste this code into your Terraform configuration. Then, run terraform init.

terraform {
  required_providers {
    ssh = {
      source = "loafoe/ssh"
    }
  }
}

Example

resource "ssh_resource" "example" {
  host         = "remote-server.test"
  bastion_host = "jumpgate.remote-host.com"
  user         = "alpine"
  agent        = true

  file {
    content     = "echo '{\"hello\":\"world\"}' && exit 0"
    destination = "/home/alpine/test.sh"
    permissions = "0700"
  }

  timeout = "3m"

  commands = [
    "/home/alpine/test.sh",
  ]
}

output "result" {
  value = try(jsondecode(ssh_resource.example.result), {})
}

The above example snippet uploads a generated shell script, executes it remotely and captures the output for further use in Terraform.

With triggers

resource "ssh_resource" "deploy-kubevip" {
  count = local.deploy_kubevip == true ? 1 : 0

  triggers = {
    template = data.template_file.kubevip_config[count.index].rendered
  }

  file {
    content     = data.template_file.kubevip_config[count.index].rendered
    destination = "/tmp/deploy-kubevip.sh"
    permissions = "0644"
  }

  commands = [
    "chmod +x /tmp/deploy-kubevip.sh",
    "sudo /tmp/deploy-kubevip.sh"
  ]

  user        = local.ssh_user_server
  private_key = local.ssh_key_server
  host        = local.servernodes.0
}

Development requirements

  • Terraform 1.3.0 or newer
  • Go 1.21 or newer (to build the provider plugin)

Issues

LICENSE

License is MIT

About

Copy files and run commands remotely via SSH, with bastion and proxy support

https://registry.terraform.io/providers/loafoe/ssh/latest

License:MIT License


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