Update KasmVNC user group and config settings

- Use `usermod` to add user to ssl-cert group for compatibility.
- Simplify KasmVNC config with protocol and SSL parameters.
- Ensure UDP communication is confined to localhost for security.

CONTRIBUTING.md

@@ -47,6 +47,7 @@ You can test a module locally by updating the source as follows
 ```tf
 module "example" {
   source = "git::https://github.com/<USERNAME>/<REPO>.git//<MODULE-NAME>?ref=<BRANCH-NAME>"
+  # You may need to remove the 'version' field, it is incompatible with some sources.
 }
 ```
 

filebrowser/README.md

@@ -14,7 +14,7 @@ A file browser for your workspace.
 ```tf
 module "filebrowser" {
   source   = "registry.coder.com/modules/filebrowser/coder"
-  version  = "1.0.19"
+  version  = "1.0.22"
   agent_id = coder_agent.example.id
 }
 ```
@@ -28,7 +28,7 @@ module "filebrowser" {
 ```tf
 module "filebrowser" {
   source   = "registry.coder.com/modules/filebrowser/coder"
-  version  = "1.0.19"
+  version  = "1.0.22"
   agent_id = coder_agent.example.id
   folder   = "/home/coder/project"
 }
@@ -39,7 +39,7 @@ module "filebrowser" {
 ```tf
 module "filebrowser" {
   source        = "registry.coder.com/modules/filebrowser/coder"
-  version       = "1.0.19"
+  version       = "1.0.22"
   agent_id      = coder_agent.example.id
   database_path = ".config/filebrowser.db"
 }

filebrowser/run.sh

@@ -18,7 +18,7 @@ if [ "${DB_PATH}" != "filebrowser.db" ]; then
 fi
 
 # set baseurl to be able to run if sudomain=false; if subdomain=true the SERVER_BASE_PATH value will be ""
-filebrowser config set --baseurl "${SERVER_BASE_PATH}" > ${LOG_PATH} 2>&1
+filebrowser config set --baseurl "${SERVER_BASE_PATH}"$${DB_FLAG} > ${LOG_PATH} 2>&1
 
 printf "📂 Serving $${ROOT_DIR} at http://localhost:${PORT} \n\n"
 

jupyterlab/README.md

@@ -16,7 +16,7 @@ A module that adds JupyterLab in your Coder template.
 ```tf
 module "jupyterlab" {
   source   = "registry.coder.com/modules/jupyterlab/coder"
-  version  = "1.0.19"
+  version  = "1.0.22"
   agent_id = coder_agent.example.id
 }
 ```

jupyterlab/main.tf

@@ -9,6 +9,9 @@ terraform {
   }
 }
 
+data "coder_workspace" "me" {}
+data "coder_workspace_owner" "me" {}
+
 # Add required variables for your modules and remove any unneeded variables
 variable "agent_id" {
   type        = string
@@ -36,6 +39,12 @@ variable "share" {
   }
 }
 
+variable "subdomain" {
+  type        = bool
+  description = "Determines whether JupyterLab will be accessed via its own subdomain or whether it will be accessed via a path on Coder."
+  default     = true
+}
+
 variable "order" {
   type        = number
   description = "The order determines the position of app in the UI presentation. The lowest order is shown first and apps with equal order are sorted by name (ascending order)."
@@ -49,17 +58,18 @@ resource "coder_script" "jupyterlab" {
   script = templatefile("${path.module}/run.sh", {
     LOG_PATH : var.log_path,
     PORT : var.port
+    BASE_URL : var.subdomain ? "" : "/@${data.coder_workspace_owner.me.name}/${data.coder_workspace.me.name}/apps/jupyterlab"
   })
   run_on_start = true
 }
 
 resource "coder_app" "jupyterlab" {
   agent_id     = var.agent_id
-  slug         = "jupyterlab"
+  slug         = "jupyterlab" # sync with the usage in URL
   display_name = "JupyterLab"
-  url          = "http://localhost:${var.port}"
+  url          = var.subdomain ? "http://localhost:${var.port}" : "http://localhost:${var.port}/@${data.coder_workspace_owner.me.name}/${data.coder_workspace.me.name}/apps/jupyterlab"
   icon         = "/icon/jupyter.svg"
-  subdomain    = true
+  subdomain    = var.subdomain
   share        = var.share
   order        = var.order
 }

jupyterlab/run.sh

@@ -1,5 +1,9 @@
 #!/usr/bin/env sh
 
+if [ -n "${BASE_URL}" ]; then
+  BASE_URL_FLAG="--ServerApp.base_url=${BASE_URL}"
+fi
+
 BOLD='\033[0;1m'
 
 printf "$${BOLD}Installing jupyterlab!\n"
@@ -15,11 +19,17 @@ if ! command -v jupyterlab > /dev/null 2>&1; then
   fi
   # install jupyterlab
   pipx install -q jupyterlab
-  echo "🥳 jupyterlab has been installed\n\n"
+  printf "%s\n\n" "🥳 jupyterlab has been installed"
 else
-  echo "🥳 jupyterlab is already installed\n\n"
+  printf "%s\n\n" "🥳 jupyterlab is already installed"
 fi
 
-echo "👷 Starting jupyterlab in background..."
+printf "👷 Starting jupyterlab in background..."
-echo "check logs at ${LOG_PATH}"
+printf "check logs at ${LOG_PATH}"
-$HOME/.local/bin/jupyter-lab --ServerApp.ip='0.0.0.0' --ServerApp.port=${PORT} --no-browser --ServerApp.token='' --ServerApp.password='' > ${LOG_PATH} 2>&1 &
+$HOME/.local/bin/jupyter-lab --no-browser \
+  "$BASE_URL_FLAG" \
+  --ServerApp.ip='*' \
+  --ServerApp.port="${PORT}" \
+  --ServerApp.token='' \
+  --ServerApp.password='' \
+  > "${LOG_PATH}" 2>&1 &

kasmvnc/README.md

@@ -14,10 +14,29 @@ Automatically install [KasmVNC](https://kasmweb.com/kasmvnc) in a workspace, and
 ```tf
 module "kasmvnc" {
   source              = "registry.coder.com/modules/kasmvnc/coder"
-  version             = "1.0.21"
+  version             = "1.0.23"
   agent_id            = coder_agent.example.id
   desktop_environment = "xfce"
 }
 ```
 
 > **Note:** This module only works on workspaces with a pre-installed desktop environment. As an example base image you can use `codercom/enterprise-desktop` image.
+
+> **Note:** You can also use the kasmtech [custom images](https://kasmweb.com/docs/latest/guide/custom_images.html) by extending them as following:
+
+```Dockerfile
+FROM kasmweb/postman:1.16.0
+ARG USER=kasm-user
+USER root
+# Overwrite the existing config file to disable ssl
+RUN cat <<EOF > /etc/kasmvnc/kasmvnc.yaml
+network:
+  protocol: http
+  ssl:
+    require_ssl: false
+  udp:
+    public_ip: 127.0.0.1
+EOF
+RUN addgroup $USER ssl-cert
+USER $USER
+```

kasmvnc/run.sh

@@ -5,7 +5,7 @@
 # Function to check if vncserver is already installed
 check_installed() {
   if command -v vncserver &> /dev/null; then
-    echo "vncserver is already installed."
+    echo "A binary with name vncserver already installed."
     return 0 # Don't exit, just indicate it's installed
   else
     return 1 # Indicates not installed
@@ -19,7 +19,7 @@ download_file() {
   if command -v wget &> /dev/null; then
     wget $url -O $output
   elif command -v curl &> /dev/null; then
-    curl -L $url -o $output
+    curl -fsSL $url -o $output
   elif command -v busybox &> /dev/null; then
     busybox wget -O $output $url
   else
@@ -32,8 +32,9 @@ download_file() {
 install_deb() {
   local url=$1
   download_file $url /tmp/kasmvncserver.deb
-  sudo apt-get install --yes --no-install-recommends --no-install-suggests /tmp/kasmvncserver.deb
+  sudo apt-get update
-  sudo adduser $USER ssl-cert
+  DEBIAN_FRONTEND=noninteractive sudo apt-get install --yes -qq --no-install-recommends --no-install-suggests /tmp/kasmvncserver.deb
+  sudo usermod -aG ssl-cert $USER
   rm /tmp/kasmvncserver.deb
 }
 
@@ -74,6 +75,8 @@ install_alpine() {
   rm /tmp/kasmvncserver.tgz
 }
 
+# Check if vncserver is installed, and install if not
+if ! check_installed; then
   # Detect system information
   distro=$(grep "^ID=" /etc/os-release | awk -F= '{print $2}')
   version=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
@@ -101,8 +104,7 @@ else
     exit 1
   fi
 
-# Check if vncserver is installed, and install if not
+  echo "Installing KASM version: ${VERSION}"
-if ! check_installed; then
   case $distro in
     ubuntu | debian | kali)
       case $version in
@@ -153,10 +155,12 @@ if ! check_installed; then
       ;;
   esac
 else
-  echo "vncserver already installed. Skipping installation."
+  echo "Skipping installation."
 fi
 
-# Coder port-forwarding from dashboard only supports HTTP
+# Try to create /etc/kasmvnc/kasmvnc.yaml system-wide
+# we don't fail as some images might be missing sudo permissions
+sudo mkdir -p /etc/kasmvnc || true
 sudo bash -c "cat > /etc/kasmvnc/kasmvnc.yaml <<EOF
 network:
   protocol: http
@@ -165,7 +169,22 @@ network:
     require_ssl: false
   udp:
     public_ip: 127.0.0.1
-EOF"
+EOF" || true
+
+
+# There could already be a config file in the image at /etc/kasmvnc/kasmvnc.yaml, but we need to set the websocket port
+mkdir -p "$HOME/.vnc"
+cat > "$HOME/.vnc/kasmvnc.yaml" <<EOF
+network:
+  protocol: http
+  websocket_port: ${PORT}
+  ssl:
+    require_ssl: false
+    pem_certificate:
+    pem_key:
+  udp:
+    public_ip: 127.0.0.1
+EOF
 
 # This password is not used since we start the server without auth.
 # The server is protected via the Coder session token / tunnel
@@ -174,4 +193,4 @@ echo -e "password\npassword\n" | vncpasswd -wo -u $USER
 
 # Start the server
 printf "🚀 Starting KasmVNC server...\n"
-sudo -u $USER bash -c "vncserver -select-de ${DESKTOP_ENVIRONMENT} -disableBasicAuth" > /tmp/kasmvncserver.log 2>&1 &
+vncserver -select-de ${DESKTOP_ENVIRONMENT} -disableBasicAuth > /tmp/kasmvncserver.log 2>&1 &

vscode-web/README.md

@@ -14,7 +14,7 @@ Automatically install [Visual Studio Code Server](https://code.visualstudio.com/
 ```tf
 module "vscode-web" {
   source         = "registry.coder.com/modules/vscode-web/coder"
-  version        = "1.0.20"
+  version        = "1.0.22"
   agent_id       = coder_agent.example.id
   accept_license = true
 }
@@ -29,7 +29,7 @@ module "vscode-web" {
 ```tf
 module "vscode-web" {
   source         = "registry.coder.com/modules/vscode-web/coder"
-  version        = "1.0.20"
+  version        = "1.0.22"
   agent_id       = coder_agent.example.id
   install_prefix = "/home/coder/.vscode-web"
   folder         = "/home/coder"
@@ -42,7 +42,7 @@ module "vscode-web" {
 ```tf
 module "vscode-web" {
   source         = "registry.coder.com/modules/vscode-web/coder"
-  version        = "1.0.20"
+  version        = "1.0.22"
   agent_id       = coder_agent.example.id
   extensions     = ["github.copilot", "ms-python.python", "ms-toolsai.jupyter"]
   accept_license = true
@@ -56,7 +56,7 @@ Configure VS Code's [settings.json](https://code.visualstudio.com/docs/getstarte
 ```tf
 module "vscode-web" {
   source     = "registry.coder.com/modules/vscode-web/coder"
-  version    = "1.0.20"
+  version    = "1.0.22"
   agent_id   = coder_agent.example.id
   extensions = ["dracula-theme.theme-dracula"]
   settings = {

vscode-web/main.tf

@@ -121,6 +121,18 @@ variable "auto_install_extensions" {
   default     = false
 }
 
+variable "subdomain" {
+  type        = bool
+  description = <<-EOT
+    Determines whether the app will be accessed via it's own subdomain or whether it will be accessed via a path on Coder.
+    If wildcards have not been setup by the administrator then apps with "subdomain" set to true will not be accessible.
+  EOT
+  default     = true
+}
+
+data "coder_workspace_owner" "me" {}
+data "coder_workspace" "me" {}
+
 resource "coder_script" "vscode-web" {
   agent_id     = var.agent_id
   display_name = "VS Code Web"
@@ -138,6 +150,7 @@ resource "coder_script" "vscode-web" {
     EXTENSIONS_DIR : var.extensions_dir,
     FOLDER : var.folder,
     AUTO_INSTALL_EXTENSIONS : var.auto_install_extensions,
+    SERVER_BASE_PATH : local.server_base_path,
   })
   run_on_start = true
 
@@ -158,15 +171,21 @@ resource "coder_app" "vscode-web" {
   agent_id     = var.agent_id
   slug         = var.slug
   display_name = var.display_name
-  url          = var.folder == "" ? "http://localhost:${var.port}" : "http://localhost:${var.port}?folder=${var.folder}"
+  url          = local.url
   icon         = "/icon/code.svg"
-  subdomain    = true
+  subdomain    = var.subdomain
   share        = var.share
   order        = var.order
 
   healthcheck {
-    url       = "http://localhost:${var.port}/healthz"
+    url       = local.healthcheck_url
     interval  = 5
     threshold = 6
   }
 }
+
+locals {
+  server_base_path = var.subdomain ? "" : format("/@%s/%s/apps/%s/", data.coder_workspace_owner.me.name, data.coder_workspace.me.name, var.slug)
+  url              = var.folder == "" ? "http://localhost:${var.port}${local.server_base_path}" : "http://localhost:${var.port}${local.server_base_path}?folder=${var.folder}"
+  healthcheck_url  = var.subdomain ? "http://localhost:${var.port}/healthz" : "http://localhost:${var.port}${local.server_base_path}/healthz"
+}

vscode-web/run.sh

@@ -10,10 +10,16 @@ if [ -n "${EXTENSIONS_DIR}" ]; then
   EXTENSION_ARG="--extensions-dir=${EXTENSIONS_DIR}"
 fi
 
+# Set extension directory
+SERVER_BASE_PATH_ARG=""
+if [ -n "${SERVER_BASE_PATH}" ]; then
+  SERVER_BASE_PATH_ARG="--server-base-path=${SERVER_BASE_PATH}"
+fi
+
 run_vscode_web() {
-  echo "👷 Running $VSCODE_WEB serve-local $EXTENSION_ARG --port ${PORT} --host 127.0.0.1 --accept-server-license-terms --without-connection-token --telemetry-level ${TELEMETRY_LEVEL} in the background..."
+  echo "👷 Running $VSCODE_WEB serve-local $EXTENSION_ARG $SERVER_BASE_PATH_ARG --port ${PORT} --host 127.0.0.1 --accept-server-license-terms --without-connection-token --telemetry-level ${TELEMETRY_LEVEL} in the background..."
   echo "Check logs at ${LOG_PATH}!"
-  "$VSCODE_WEB" serve-local "$EXTENSION_ARG" --port "${PORT}" --host 127.0.0.1 --accept-server-license-terms --without-connection-token --telemetry-level "${TELEMETRY_LEVEL}" > "${LOG_PATH}" 2>&1 &
+  "$VSCODE_WEB" serve-local "$EXTENSION_ARG" "$SERVER_BASE_PATH_ARG" --port "${PORT}" --host 127.0.0.1 --accept-server-license-terms --without-connection-token --telemetry-level "${TELEMETRY_LEVEL}" > "${LOG_PATH}" 2>&1 &
 }
 
 # Check if the settings file exists...