|
| 1 | +terraform { |
| 2 | + required_providers { |
| 3 | + hcloud = { |
| 4 | + source = "hetznercloud/hcloud" |
| 5 | + } |
| 6 | + coder = { |
| 7 | + source = "coder/coder" |
| 8 | + } |
| 9 | + } |
| 10 | +} |
| 11 | + |
| 12 | +variable "hcloud_token" { |
| 13 | + sensitive = true |
| 14 | +} |
| 15 | + |
| 16 | +provider "hcloud" { |
| 17 | + token = var.hcloud_token |
| 18 | +} |
| 19 | + |
| 20 | +# Available locations: https://docs.hetzner.com/cloud/general/locations/ |
| 21 | +data "coder_parameter" "hcloud_location" { |
| 22 | + name = "hcloud_location" |
| 23 | + display_name = "Hetzner Location" |
| 24 | + description = "Select the Hetzner Cloud location for your workspace." |
| 25 | + type = "string" |
| 26 | + default = "fsn1" |
| 27 | + option { |
| 28 | + name = "DE Falkenstein" |
| 29 | + value = "fsn1" |
| 30 | + } |
| 31 | + option { |
| 32 | + name = "US Ashburn, VA" |
| 33 | + value = "ash" |
| 34 | + } |
| 35 | + option { |
| 36 | + name = "US Hillsboro, OR" |
| 37 | + value = "hil" |
| 38 | + } |
| 39 | + option { |
| 40 | + name = "SG Singapore" |
| 41 | + value = "sin" |
| 42 | + } |
| 43 | + option { |
| 44 | + name = "DE Nuremberg" |
| 45 | + value = "nbg1" |
| 46 | + } |
| 47 | + option { |
| 48 | + name = "FI Helsinki" |
| 49 | + value = "hel1" |
| 50 | + } |
| 51 | +} |
| 52 | + |
| 53 | +# Available server types: https://docs.hetzner.com/cloud/servers/overview/ |
| 54 | +data "coder_parameter" "hcloud_server_type" { |
| 55 | + name = "hcloud_server_type" |
| 56 | + display_name = "Hetzner Server Type" |
| 57 | + description = "Select the Hetzner Cloud server type for your workspace." |
| 58 | + type = "string" |
| 59 | + |
| 60 | + dynamic "option" { |
| 61 | + for_each = local.hcloud_server_type_options_for_selected_location |
| 62 | + content { |
| 63 | + name = option.value.name |
| 64 | + value = option.value.value |
| 65 | + } |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +resource "hcloud_server" "dev" { |
| 70 | + count = data.coder_workspace.me.start_count |
| 71 | + name = "coder-${data.coder_workspace.me.name}-dev" |
| 72 | + image = "ubuntu-24.04" |
| 73 | + server_type = data.coder_parameter.hcloud_server_type.value |
| 74 | + location = data.coder_parameter.hcloud_location.value |
| 75 | + public_net { |
| 76 | + ipv4_enabled = true |
| 77 | + ipv6_enabled = true |
| 78 | + } |
| 79 | + user_data = templatefile("cloud-config.yaml.tftpl", { |
| 80 | + username = lower(data.coder_workspace_owner.me.name) |
| 81 | + home_volume_label = "coder-${data.coder_workspace.me.id}-home" |
| 82 | + volume_id = hcloud_volume.home_volume[count.index].id |
| 83 | + init_script = base64encode(coder_agent.main.init_script) |
| 84 | + coder_agent_token = coder_agent.main.token |
| 85 | + }) |
| 86 | + labels = { |
| 87 | + "coder_workspace_name" = data.coder_workspace.me.name, |
| 88 | + "coder_workspace_owner" = data.coder_workspace_owner.me.name, |
| 89 | + } |
| 90 | +} |
| 91 | + |
| 92 | +resource "hcloud_volume" "home_volume" { |
| 93 | + count = data.coder_workspace.me.start_count |
| 94 | + name = "coder-${data.coder_workspace.me.id}-home" |
| 95 | + size = data.coder_parameter.home_volume_size.value |
| 96 | + location = data.coder_parameter.hcloud_location.value |
| 97 | + labels = { |
| 98 | + "coder_workspace_name" = data.coder_workspace.me.name, |
| 99 | + "coder_workspace_owner" = data.coder_workspace_owner.me.name, |
| 100 | + } |
| 101 | +} |
| 102 | + |
| 103 | +resource "hcloud_volume_attachment" "home_volume_attachment" { |
| 104 | + count = data.coder_workspace.me.start_count |
| 105 | + volume_id = hcloud_volume.home_volume[count.index].id |
| 106 | + server_id = hcloud_server.dev[count.index].id |
| 107 | + automount = false |
| 108 | +} |
| 109 | + |
| 110 | +locals { |
| 111 | + username = lower(data.coder_workspace_owner.me.name) |
| 112 | + |
| 113 | + # Data source: local JSON file under the module directory |
| 114 | + # Check API for latest server types & availability: https://docs.hetzner.cloud/reference/cloud#server-types |
| 115 | + hcloud_server_types_data = jsondecode(file("${path.module}/hetzner_server_types.json")) |
| 116 | + hcloud_server_type_meta = local.hcloud_server_types_data.type_meta |
| 117 | + hcloud_server_types_by_location = local.hcloud_server_types_data.availability |
| 118 | + |
| 119 | + hcloud_server_type_options_for_selected_location = [ |
| 120 | + for type_name in lookup(local.hcloud_server_types_by_location, data.coder_parameter.hcloud_location.value, []) : { |
| 121 | + name = format("%s (%d vCPU, %dGB RAM, %dGB)", upper(type_name), local.hcloud_server_type_meta[type_name].cores, local.hcloud_server_type_meta[type_name].memory_gb, local.hcloud_server_type_meta[type_name].disk_gb) |
| 122 | + value = type_name |
| 123 | + } |
| 124 | + ] |
| 125 | +} |
| 126 | + |
| 127 | +data "coder_provisioner" "me" {} |
| 128 | + |
| 129 | +provider "coder" {} |
| 130 | + |
| 131 | +data "coder_workspace" "me" {} |
| 132 | + |
| 133 | +data "coder_workspace_owner" "me" {} |
| 134 | + |
| 135 | +data "coder_parameter" "home_volume_size" { |
| 136 | + name = "home_volume_size" |
| 137 | + display_name = "Home volume size" |
| 138 | + description = "How large would you like your home volume to be (in GB)?" |
| 139 | + type = "number" |
| 140 | + default = "20" |
| 141 | + mutable = false |
| 142 | + validation { |
| 143 | + min = 1 |
| 144 | + max = 100 # Adjust the max size as needed |
| 145 | + } |
| 146 | +} |
| 147 | + |
| 148 | +resource "coder_agent" "main" { |
| 149 | + os = "linux" |
| 150 | + arch = "amd64" |
| 151 | + |
| 152 | + metadata { |
| 153 | + key = "cpu" |
| 154 | + display_name = "CPU Usage" |
| 155 | + interval = 5 |
| 156 | + timeout = 5 |
| 157 | + script = "coder stat cpu" |
| 158 | + } |
| 159 | + metadata { |
| 160 | + key = "memory" |
| 161 | + display_name = "Memory Usage" |
| 162 | + interval = 5 |
| 163 | + timeout = 5 |
| 164 | + script = "coder stat mem" |
| 165 | + } |
| 166 | + metadata { |
| 167 | + key = "home" |
| 168 | + display_name = "Home Usage" |
| 169 | + interval = 600 # every 10 minutes |
| 170 | + timeout = 30 # df can take a while on large filesystems |
| 171 | + script = "coder stat disk --path /home/${local.username}" |
| 172 | + } |
| 173 | +} |
| 174 | + |
| 175 | +module "code-server" { |
| 176 | + count = data.coder_workspace.me.start_count |
| 177 | + source = "registry.coder.com/coder/code-server/coder" |
| 178 | + |
| 179 | + # 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. |
| 180 | + version = "~> 1.0" |
| 181 | + |
| 182 | + agent_id = coder_agent.main.id |
| 183 | + order = 1 |
| 184 | +} |
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