feat(Linode): add new template for Linode

registry/coder/templates/linode/README.md

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+---
+display_name: Linode
+description: Provision Linode instaces as Coder workspaces
+icon: ../../../../.icons/docker.svg
+maintainer_github: coder
+verified: true
+tags: [linode, vps]
+---
+
+# Remote Development on Linode compute
+
+Provision Linode instances as [Coder workspaces](https://coder.com/docs/workspaces) with this example template.
+
+<!-- TODO: Add screenshot -->
+
+## Prerequisites
+
+Linode Token - Grab this from their website after logging in. <!-- Expand on this, I don't have a Linode account. -->

registry/coder/templates/linode/main.tf

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+terraform {
+ required_providers {
+ coder = {
+ source = "coder/coder"
+ }
+ linode = {
+ source = "linode/linode"
+ }
+ }
+}
+
+locals {
+ username = data.coder_workspace_owner.me.name
+}
+
+variable "linode_token" {
+ type = string
+ description = "Your Linode Token"
+ default = "null"
+}
+
+variable "region" {
+ type = string
+ description = "Where do you want your linode instance to be hosted?"
+ default = "us-central"
+}
+
+provider "linode" {
+ token = var.linode_token
+}
+
+data "coder_provisioner" "me" {}
+data "coder_workspace" "me" {}
+data "coder_workspace_owner" "me" {}
+
+resource "linode_instance" "main" {
+ region = data.coder_parameter.region.value
+ label = "linode-${data.coder_workspace.me.id}-home" 
+ type = data.coder_parameter.type.value
+}
+
+resource "linode_instance_disk" "boot" {
+ label = "boot"
+ linode_id = linode_instance.main.id
+ size = tostring(data.coder_parameter.storage_size)
+ # this is making me aggrovated, I can't figure out how to convert this value gathered later on (in create workspace vs. import template) to a string so TF will accept it.
+ filesystem = "ext4"
+}
+
+data "coder_parameter" "region" {
+ name = "region"
+ display_name = "Region"
+ description = "This is the region where your workspace will be created."
+ type = "string"
+ default = "us-central"
+ mutable = false
+ option {
+ name = "Dallas, TX"
+ value = "us-central"
+ }
+ option {
+ name = "Fremont, CA"
+ value = "us-west"
+ }
+ option {
+ name = "Atlanta, GA"
+ value = "us-southeast"
+ }
+ option {
+ name = "Newark, NJ"
+ value= "us-east"
+ }
+}
+
+data "coder_parameter" "type" {
+ name = "type"
+ display_name = "Instance Type"
+ type = "string"
+ default = "g6-standard-2"
+ # Linode documentation does not specify a list of types, so I'm not sure what to put here. I'm not currently a Linode customer.
+}
+
+data "coder_parameter" "storage_size" {
+ name = "storage_size"
+ display_name = "Storage Size"
+ type = "number"
+ default = "25"
+}
+
+resource "coder_agent" "main" {
+ arch = data.coder_provisioner.me.arch
+ os = "linux"
+ startup_script = <<-EOT
+ set -e
+
+ # Prepare user home with default files on first start.
+ if [ ! -f ~/.init_done ]; then
+ cp -rT /etc/skel ~
+ touch ~/.init_done
+ fi
+
+ # Add any commands that should be executed at workspace startup (e.g install requirements, start a program, etc) here
+ EOT
+
+ # These environment variables allow you to make Git commits right away after creating a
+ # workspace. Note that they take precedence over configuration defined in ~/.gitconfig!
+ # You can remove this block if you'd prefer to configure Git manually or using
+ # dotfiles. (see docs/dotfiles.md)
+ env = {
+ GIT_AUTHOR_NAME = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
+ GIT_AUTHOR_EMAIL = "${data.coder_workspace_owner.me.email}"
+ GIT_COMMITTER_NAME = coalesce(data.coder_workspace_owner.me.full_name, data.coder_workspace_owner.me.name)
+ GIT_COMMITTER_EMAIL = "${data.coder_workspace_owner.me.email}"
+ }
+
+ # The following metadata blocks are optional. They are used to display
+ # information about your workspace in the dashboard. You can remove them
+ # if you don't want to display any information.
+ # For basic resources, you can use the `coder stat` command.
+ # If you need more control, you can write your own script.
+ metadata {
+ display_name = "CPU Usage"
+ key = "0_cpu_usage"
+ script = "coder stat cpu"
+ interval = 10
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "RAM Usage"
+ key = "1_ram_usage"
+ script = "coder stat mem"
+ interval = 10
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "Home Disk"
+ key = "3_home_disk"
+ script = "coder stat disk --path $${HOME}"
+ interval = 60
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "CPU Usage (Host)"
+ key = "4_cpu_usage_host"
+ script = "coder stat cpu --host"
+ interval = 10
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "Memory Usage (Host)"
+ key = "5_mem_usage_host"
+ script = "coder stat mem --host"
+ interval = 10
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "Load Average (Host)"
+ key = "6_load_host"
+ # get load avg scaled by number of cores
+ script = <<EOT
+ echo "`cat /proc/loadavg | awk '{ print $1 }'` `nproc`" | awk '{ printf "%0.2f", $1/$2 }'
+ EOT
+ interval = 60
+ timeout = 1
+ }
+
+ metadata {
+ display_name = "Swap Usage (Host)"
+ key = "7_swap_host"
+ script = <<EOT
+ free -b | awk '/^Swap/ { printf("%.1f/%.1f", $3/1024.0/1024.0/1024.0, $2/1024.0/1024.0/1024.0) }'
+ EOT
+ interval = 10
+ timeout = 1
+ }
+}
+
+# See https://registry.coder.com/modules/coder/code-server
+module "code-server" {
+ count = data.coder_workspace.me.start_count
+ source = "registry.coder.com/coder/code-server/coder"
+
+ # This ensures that the latest non-breaking version of the module gets downloaded, you can also pin the module version to prevent breaking changes in production.
+ version = "~> 1.0"
+
+ agent_id = coder_agent.main.id
+ order = 1
+}