turn back the schedule

## Changes made
- Updated `check.sh` script to add support for automatic re-deploying in
the event that the the registry has a partial/full outage.

---------

Co-authored-by: Cian Johnston <cian@coder.com>

.github/scripts/check.sh

@@ -0,0 +1,186 @@
+#!/usr/bin/env bash
+set -o pipefail
+set -u
+
+VERBOSE="${VERBOSE:-0}"
+if [[ "${VERBOSE}" -ne "0" ]]; then
+    set -x
+fi
+
+# List of required environment variables
+required_vars=(
+    "INSTATUS_API_KEY"
+    "INSTATUS_PAGE_ID"
+    "INSTATUS_COMPONENT_ID"
+    "VERCEL_API_KEY"
+)
+
+# Check if each required variable is set
+for var in "${required_vars[@]}"; do
+    if [[ -z "${!var:-}" ]]; then
+        echo "Error: Environment variable '$var' is not set."
+        exit 1
+    fi
+done
+
+REGISTRY_BASE_URL="${REGISTRY_BASE_URL:-https://registry.coder.com}"
+
+status=0
+declare -a modules=()
+declare -a failures=()
+
+# Collect all module directories containing a main.tf file
+for path in $(find . -maxdepth 2 -not -path '*/.*' -type f -name main.tf | cut -d '/' -f 2 | sort -u); do
+    modules+=("${path}")
+done
+
+echo "Checking modules: ${modules[*]}"
+
+# Function to update the component status on Instatus
+update_component_status() {
+    local component_status=$1
+    # see https://instatus.com/help/api/components
+    (curl -X PUT "https://api.instatus.com/v1/$INSTATUS_PAGE_ID/components/$INSTATUS_COMPONENT_ID" \
+        -H "Authorization: Bearer $INSTATUS_API_KEY" \
+        -H "Content-Type: application/json" \
+        -d "{\"status\": \"$component_status\"}")
+}
+
+# Function to create an incident
+create_incident() {
+    local incident_name="Testing Instatus"
+    local message="The following modules are experiencing issues:\n"
+    for i in "${!failures[@]}"; do
+        message+="$((i + 1)). ${failures[$i]}\n"
+    done
+
+    component_status="PARTIALOUTAGE"
+    if (( ${#failures[@]} == ${#modules[@]} )); then
+        component_status="MAJOROUTAGE"
+    fi
+    # see https://instatus.com/help/api/incidents
+    response=$(curl -s -X POST "https://api.instatus.com/v1/$INSTATUS_PAGE_ID/incidents" \
+        -H "Authorization: Bearer $INSTATUS_API_KEY" \
+        -H "Content-Type: application/json" \
+        -d "{
+            \"name\": \"$incident_name\",
+            \"message\": \"$message\",
+            \"components\": [\"$INSTATUS_COMPONENT_ID\"],
+            \"status\": \"INVESTIGATING\",
+            \"notify\": true,
+            \"statuses\": [
+                {
+                    \"id\": \"$INSTATUS_COMPONENT_ID\",
+                    \"status\": \"PARTIALOUTAGE\"
+                }
+            ]
+        }")
+
+    incident_id=$(echo "$response" | jq -r '.id')
+    echo "$incident_id"
+}
+
+force_redeploy_registry () {
+    # These are not secret values; safe to just expose directly in script
+    local VERCEL_TEAM_SLUG="codercom"
+    local VERCEL_TEAM_ID="team_tGkWfhEGGelkkqUUm9nXq17r"
+    local VERCEL_APP="registry"
+
+    local latest_res
+    latest_res=$(curl "https://api.vercel.com/v6/deployments?app=$VERCEL_APP&limit=1&slug=$VERCEL_TEAM_SLUG&teamId=$VERCEL_TEAM_ID&target=production&state=BUILDING,INITIALIZING,QUEUED,READY" \
+        --fail \
+        --silent \
+        --header "Authorization: Bearer $VERCEL_API_KEY" \
+        --header "Content-Type: application/json"
+    )
+
+    # If we have zero deployments, something is VERY wrong. Make the whole
+    # script exit with a non-zero status code
+    local latest_id
+    latest_id=$(echo "${latest_res}" | jq -r '.deployments[0].uid')
+    if [[ "${latest_id}" = "null" ]]; then
+        echo "Unable to pull any previous deployments for redeployment"
+        echo "Please redeploy the latest deployment manually in Vercel."
+        echo "https://vercel.com/codercom/registry/deployments"
+        exit 1
+    fi
+
+    local latest_date_ts_seconds
+    latest_date_ts_seconds=$(echo "${latest_res}" | jq -r '.deployments[0].createdAt/1000|floor')
+    local current_date_ts_seconds
+    current_date_ts_seconds="$(date +%s)"
+    local max_redeploy_interval_seconds=7200 # 2 hours
+    if (( current_date_ts_seconds - latest_date_ts_seconds < max_redeploy_interval_seconds )); then
+        echo "The registry was deployed less than 2 hours ago."
+        echo "Not automatically re-deploying the regitstry."
+        echo "A human reading this message should decide if a redeployment is necessary."
+        echo "Please check the Vercel dashboard for more information."
+        echo "https://vercel.com/codercom/registry/deployments"
+        exit 1
+    fi
+
+    local latest_deployment_state
+    latest_deployment_state="$(echo "${latest_res}" | jq -r '.deployments[0].state')"
+    if [[ "${latest_deployment_state}" != "READY" ]]; then
+        echo "Last deployment was not in READY state. Skipping redeployment."
+        echo "A human reading this message should decide if a redeployment is necessary."
+        echo "Please check the Vercel dashboard for more information."
+        echo "https://vercel.com/codercom/registry/deployments"
+        exit 1
+    fi
+
+    echo "============================================================="
+    echo "!!! Redeploying registry with deployment ID: ${latest_id} !!!"
+    echo "============================================================="
+
+    if ! curl -X POST "https://api.vercel.com/v13/deployments?forceNew=1&skipAutoDetectionConfirmation=1&slug=$VERCEL_TEAM_SLUG&teamId=$VERCEL_TEAM_ID" \
+        --fail \
+        --header "Authorization: Bearer $VERCEL_API_KEY" \
+        --header "Content-Type: application/json" \
+        --data-raw "{ \"deploymentId\": \"${latest_id}\", \"name\": \"${VERCEL_APP}\", \"target\": \"production\" }"; then
+        echo "DEPLOYMENT FAILED! Please check the Vercel dashboard for more information."
+        echo "https://vercel.com/codercom/registry/deployments"
+        exit 1
+    fi
+}
+
+# Check each module's accessibility
+for module in "${modules[@]}"; do
+    # Trim leading/trailing whitespace from module name
+    module=$(echo "${module}" | xargs)
+    url="${REGISTRY_BASE_URL}/modules/${module}"
+    printf "=== Checking module %s at %s\n" "${module}" "${url}"
+    status_code=$(curl --output /dev/null --head --silent --fail --location "${url}" --retry 3 --write-out "%{http_code}")
+    if (( status_code != 200 )); then
+        printf "==> FAIL(%s)\n" "${status_code}"
+        status=1
+        failures+=("${module}")
+    else
+        printf "==> OK(%s)\n" "${status_code}"
+    fi
+done
+
+# Determine overall status and update Instatus component
+if (( status == 0 )); then
+    echo "All modules are operational."
+    # set to
+    update_component_status "OPERATIONAL"
+else
+    echo "The following modules have issues: ${failures[*]}"
+    # check if all modules are down
+    if (( ${#failures[@]} == ${#modules[@]} )); then
+        update_component_status "MAJOROUTAGE"
+    else
+        update_component_status "PARTIALOUTAGE"
+    fi
+
+    # Create a new incident
+    incident_id=$(create_incident)
+    echo "Created incident with ID: $incident_id"
+
+    # If a module is down, force a reployment to try getting things back online
+    # ASAP
+    force_redeploy_registry
+fi
+
+exit "${status}"

.github/workflows/check.yaml

@@ -0,0 +1,23 @@
+name: Health
+# Check modules health on registry.coder.com
+on:
+  schedule:
+    - cron: "*/13 * * * *" # Runs every 13th minute
+  workflow_dispatch: # Allows manual triggering of the workflow if needed
+
+jobs:
+  run-script:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run check.sh
+        run: |
+          ./.github/scripts/check.sh
+        env:
+          INSTATUS_API_KEY: ${{ secrets.INSTATUS_API_KEY }}
+          INSTATUS_PAGE_ID: ${{ secrets.INSTATUS_PAGE_ID }}
+          INSTATUS_COMPONENT_ID: ${{ secrets.INSTATUS_COMPONENT_ID }}
+          VERCEL_API_KEY: ${{ secrets.VERCEL_API_KEY }}

README.md

@@ -7,6 +7,7 @@
 
 [![discord](https://img.shields.io/discord/747933592273027093?label=discord)](https://discord.gg/coder)
 [![license](https://img.shields.io/github/license/coder/modules)](./LICENSE)
+[![Health](https://github.com/coder/modules/actions/workflows/check.yaml/badge.svg)](https://github.com/coder/modules/actions/workflows/check.yaml)
 
 </div>
 

filebrowser/README.md

@@ -14,7 +14,7 @@ A file browser for your workspace.
 ```tf
 module "filebrowser" {
   source   = "registry.coder.com/modules/filebrowser/coder"
-  version  = "1.0.22"
+  version  = "1.0.23"
   agent_id = coder_agent.example.id
 }
 ```
@@ -28,7 +28,7 @@ module "filebrowser" {
 ```tf
 module "filebrowser" {
   source   = "registry.coder.com/modules/filebrowser/coder"
-  version  = "1.0.22"
+  version  = "1.0.23"
   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       = "1.0.22"
+  version       = "1.0.23"
   agent_id      = coder_agent.example.id
   database_path = ".config/filebrowser.db"
 }

filebrowser/main.tf

@@ -20,13 +20,8 @@ data "coder_workspace_owner" "me" {}
 
 variable "agent_name" {
   type        = string
-  description = "The name of the main deployment. (Used to build the subpath for coder_app.)"
+  description = "The name of the coder_agent resource. (Only required if subdomain is false and the template uses multiple agents.)"
-  default     = ""
+  default     = null
-  validation {
-    # If subdomain is false, then agent_name must be set.
-    condition     = var.subdomain || var.agent_name != ""
-    error_message = "The agent_name must be set."
-  }
 }
 
 variable "database_path" {
@@ -73,6 +68,12 @@ variable "order" {
   default     = null
 }
 
+variable "slug" {
+  type        = string
+  description = "The slug of the coder_app resource."
+  default     = "filebrowser"
+}
+
 variable "subdomain" {
   type        = bool
   description = <<-EOT
@@ -85,7 +86,7 @@ variable "subdomain" {
 resource "coder_script" "filebrowser" {
   agent_id     = var.agent_id
   display_name = "File Browser"
-  icon         = "https://raw.githubusercontent.com/filebrowser/logo/master/icon_raw.svg"
+  icon         = "/icon/filebrowser.svg"
   script = templatefile("${path.module}/run.sh", {
     LOG_PATH : var.log_path,
     PORT : var.port,
@@ -93,18 +94,30 @@ resource "coder_script" "filebrowser" {
     LOG_PATH : var.log_path,
     DB_PATH : var.database_path,
     SUBDOMAIN : var.subdomain,
-    SERVER_BASE_PATH : var.subdomain ? "" : format("/@%s/%s.%s/apps/filebrowser", data.coder_workspace_owner.me.name, data.coder_workspace.me.name, var.agent_name),
+    SERVER_BASE_PATH : local.server_base_path
   })
   run_on_start = true
 }
 
 resource "coder_app" "filebrowser" {
   agent_id     = var.agent_id
-  slug         = "filebrowser"
+  slug         = var.slug
   display_name = "File Browser"
-  url          = "http://localhost:${var.port}"
+  url          = local.url
-  icon         = "https://raw.githubusercontent.com/filebrowser/logo/master/icon_raw.svg"
+  icon         = "/icon/filebrowser.svg"
   subdomain    = var.subdomain
   share        = var.share
   order        = var.order
+
+  healthcheck {
+    url       = local.healthcheck_url
+    interval  = 5
+    threshold = 6
+  }
 }
+
+locals {
+  server_base_path = var.subdomain ? "" : format("/@%s/%s%s/apps/%s", data.coder_workspace_owner.me.name, data.coder_workspace.me.name, var.agent_name != null ? ".${var.agent_name}" : "", var.slug)
+  url              = "http://localhost:${var.port}${local.server_base_path}"
+  healthcheck_url  = "http://localhost:${var.port}${local.server_base_path}/health"
+}

filebrowser/run.sh

@@ -1,9 +1,13 @@
 #!/usr/bin/env bash
 
 BOLD='\033[0;1m'
+
 printf "$${BOLD}Installing filebrowser \n\n"
 
-curl -fsSL https://raw.githubusercontent.com/filebrowser/get/master/get.sh | bash
+# Check if filebrowser is installed
+if ! command -v filebrowser &> /dev/null; then
+  curl -fsSL https://raw.githubusercontent.com/filebrowser/get/master/get.sh | bash
+fi
 
 printf "🥳 Installation complete! \n\n"
 

jetbrains-gateway/README.md

@@ -14,7 +14,7 @@ This module adds a JetBrains Gateway Button to open any workspace with a single
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.21"
+  version        = "1.0.23"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -32,7 +32,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.21"
+  version        = "1.0.23"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -46,7 +46,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.21"
+  version        = "1.0.23"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -61,7 +61,7 @@ module "jetbrains_gateway" {
 ```tf
 module "jetbrains_gateway" {
   source         = "registry.coder.com/modules/jetbrains-gateway/coder"
-  version        = "1.0.21"
+  version        = "1.0.23"
   agent_id       = coder_agent.example.id
   agent_name     = "example"
   folder         = "/home/coder/example"
@@ -72,6 +72,24 @@ module "jetbrains_gateway" {
 }
 ```
 
+### Custom base link
+
+Due to the highest priority of the `ide_download_link` parameter in the `(jetbrains-gateway://...` within IDEA, the pre-configured download address will be overridden when using [IDEA's offline mode](https://www.jetbrains.com/help/idea/fully-offline-mode.html). Therefore, it is necessary to configure the `download_base_link` parameter for the `jetbrains_gateway` module to change the value of `ide_download_link`.
+
+```tf
+module "jetbrains_gateway" {
+  source             = "registry.coder.com/modules/jetbrains-gateway/coder"
+  version            = "1.0.23"
+  agent_id           = coder_agent.example.id
+  agent_name         = "example"
+  folder             = "/home/coder/example"
+  jetbrains_ides     = ["GO", "WS"]
+  releases_base_link = "https://releases.internal.site/"
+  download_base_link = "https://download.internal.site/"
+  default            = "GO"
+}
+```
+
 ## Supported IDEs
 
 This module and JetBrains Gateway support the following JetBrains IDEs:

jetbrains-gateway/main.tf

@@ -146,9 +146,29 @@ variable "jetbrains_ides" {
   }
 }
 
+variable "releases_base_link" {
+  type        = string
+  description = ""
+  default     = "https://data.services.jetbrains.com"
+  validation {
+    condition     = can(regex("^https?://.+$", var.releases_base_link))
+    error_message = "The releases_base_link must be a valid HTTP/S address."
+  }
+}
+
+variable "download_base_link" {
+  type        = string
+  description = ""
+  default     = "https://download.jetbrains.com"
+  validation {
+    condition     = can(regex("^https?://.+$", var.download_base_link))
+    error_message = "The download_base_link must be a valid HTTP/S address."
+  }
+}
+
 data "http" "jetbrains_ide_versions" {
   for_each = var.latest ? toset(var.jetbrains_ides) : toset([])
-  url      = "https://data.services.jetbrains.com/products/releases?code=${each.key}&latest=true&type=${var.channel}"
+  url      = "${var.releases_base_link}/products/releases?code=${each.key}&latest=true&type=${var.channel}"
 }
 
 locals {
@@ -158,7 +178,7 @@ locals {
       name          = "GoLand",
       identifier    = "GO",
       build_number  = var.jetbrains_ide_versions["GO"].build_number,
-      download_link = "https://download.jetbrains.com/go/goland-${var.jetbrains_ide_versions["GO"].version}.tar.gz"
+      download_link = "${var.download_base_link}/go/goland-${var.jetbrains_ide_versions["GO"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["GO"].version
     },
     "WS" = {
@@ -166,7 +186,7 @@ locals {
       name          = "WebStorm",
       identifier    = "WS",
       build_number  = var.jetbrains_ide_versions["WS"].build_number,
-      download_link = "https://download.jetbrains.com/webstorm/WebStorm-${var.jetbrains_ide_versions["WS"].version}.tar.gz"
+      download_link = "${var.download_base_link}/webstorm/WebStorm-${var.jetbrains_ide_versions["WS"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["WS"].version
     },
     "IU" = {
@@ -174,7 +194,7 @@ locals {
       name          = "IntelliJ IDEA Ultimate",
       identifier    = "IU",
       build_number  = var.jetbrains_ide_versions["IU"].build_number,
-      download_link = "https://download.jetbrains.com/idea/ideaIU-${var.jetbrains_ide_versions["IU"].version}.tar.gz"
+      download_link = "${var.download_base_link}/idea/ideaIU-${var.jetbrains_ide_versions["IU"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["IU"].version
     },
     "PY" = {
@@ -182,7 +202,7 @@ locals {
       name          = "PyCharm Professional",
       identifier    = "PY",
       build_number  = var.jetbrains_ide_versions["PY"].build_number,
-      download_link = "https://download.jetbrains.com/python/pycharm-professional-${var.jetbrains_ide_versions["PY"].version}.tar.gz"
+      download_link = "${var.download_base_link}/python/pycharm-professional-${var.jetbrains_ide_versions["PY"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["PY"].version
     },
     "CL" = {
@@ -190,7 +210,7 @@ locals {
       name          = "CLion",
       identifier    = "CL",
       build_number  = var.jetbrains_ide_versions["CL"].build_number,
-      download_link = "https://download.jetbrains.com/cpp/CLion-${var.jetbrains_ide_versions["CL"].version}.tar.gz"
+      download_link = "${var.download_base_link}/cpp/CLion-${var.jetbrains_ide_versions["CL"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["CL"].version
     },
     "PS" = {
@@ -198,7 +218,7 @@ locals {
       name          = "PhpStorm",
       identifier    = "PS",
       build_number  = var.jetbrains_ide_versions["PS"].build_number,
-      download_link = "https://download.jetbrains.com/webide/PhpStorm-${var.jetbrains_ide_versions["PS"].version}.tar.gz"
+      download_link = "${var.download_base_link}/webide/PhpStorm-${var.jetbrains_ide_versions["PS"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["PS"].version
     },
     "RM" = {
@@ -206,7 +226,7 @@ locals {
       name          = "RubyMine",
       identifier    = "RM",
       build_number  = var.jetbrains_ide_versions["RM"].build_number,
-      download_link = "https://download.jetbrains.com/ruby/RubyMine-${var.jetbrains_ide_versions["RM"].version}.tar.gz"
+      download_link = "${var.download_base_link}/ruby/RubyMine-${var.jetbrains_ide_versions["RM"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["RM"].version
     }
     "RD" = {
@@ -214,7 +234,7 @@ locals {
       name          = "Rider",
       identifier    = "RD",
       build_number  = var.jetbrains_ide_versions["RD"].build_number,
-      download_link = "https://download.jetbrains.com/rider/JetBrains.Rider-${var.jetbrains_ide_versions["RD"].version}.tar.gz"
+      download_link = "${var.download_base_link}/rider/JetBrains.Rider-${var.jetbrains_ide_versions["RD"].version}.tar.gz"
       version       = var.jetbrains_ide_versions["RD"].version
     }
   }

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  = "1.0.22"
+  version  = "1.0.23"
   agent_id = coder_agent.example.id
 }
 ```

jupyterlab/run.sh

@@ -9,7 +9,7 @@ BOLD='\033[0;1m'
 printf "$${BOLD}Installing jupyterlab!\n"
 
 # check if jupyterlab is installed
-if ! command -v jupyterlab > /dev/null 2>&1; then
+if ! command -v jupyter-lab > /dev/null 2>&1; then
   # install jupyterlab
   # check if pipx is installed
   if ! command -v pipx > /dev/null 2>&1; then

kasmvnc/README.md

@@ -14,7 +14,7 @@ Automatically install [KasmVNC](https://kasmweb.com/kasmvnc) in a workspace, and
 ```tf
 module "kasmvnc" {
   source              = "registry.coder.com/modules/kasmvnc/coder"
-  version             = "1.0.22"
+  version             = "1.0.23"
   agent_id            = coder_agent.example.id
   desktop_environment = "xfce"
 }

kasmvnc/main.tf

@@ -42,7 +42,7 @@ resource "coder_script" "kasm_vnc" {
   script = templatefile("${path.module}/run.sh", {
     PORT : var.port,
     DESKTOP_ENVIRONMENT : var.desktop_environment,
-    VERSION : var.kasm_version
+    KASM_VERSION : var.kasm_version
   })
   run_on_start = true
 }

kasmvnc/run.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
-#!/bin/bash
+# Exit on error, undefined variables, and pipe failures
+set -euo pipefail
 
 # Function to check if vncserver is already installed
 check_installed() {
@@ -14,143 +15,167 @@ check_installed() {
 
 # Function to download a file using wget, curl, or busybox as a fallback
 download_file() {
-  local url=$1
+  local url="$1"
-  local output=$2
+  local output="$2"
-  if command -v wget &> /dev/null; then
+  local download_tool
-    wget $url -O $output
+
-  elif command -v curl &> /dev/null; then
+  if command -v curl &> /dev/null; then
-    curl -fsSL $url -o $output
+    # shellcheck disable=SC2034
+    download_tool=(curl -fsSL)
+  elif command -v wget &> /dev/null; then
+    # shellcheck disable=SC2034
+    download_tool=(wget -q -O-)
   elif command -v busybox &> /dev/null; then
-    busybox wget -O $output $url
+    # shellcheck disable=SC2034
+    download_tool=(busybox wget -O-)
   else
-    echo "Neither wget, curl, nor busybox is installed. Please install one of them to proceed."
+    echo "ERROR: No download tool available (curl, wget, or busybox required)"
     exit 1
   fi
+
+  # shellcheck disable=SC2288
+  "$${download_tool[@]}" "$url" > "$output" || {
+    echo "ERROR: Failed to download $url"
+    exit 1
+  }
 }
 
 # Function to install kasmvncserver for debian-based distros
 install_deb() {
   local url=$1
-  download_file $url /tmp/kasmvncserver.deb
+  local kasmdeb="/tmp/kasmvncserver.deb"
-  sudo apt-get update
-  DEBIAN_FRONTEND=noninteractive sudo apt-get install --yes -qq --no-install-recommends --no-install-suggests /tmp/kasmvncserver.deb
-  sudo adduser $USER ssl-cert
-  rm /tmp/kasmvncserver.deb
-}
 
-# Function to install kasmvncserver for Oracle 8
+  download_file "$url" "$kasmdeb"
-install_rpm_oracle8() {
-  local url=$1
-  download_file $url /tmp/kasmvncserver.rpm
-  sudo dnf config-manager --set-enabled ol8_codeready_builder
-  sudo dnf install oracle-epel-release-el8 -y
-  sudo dnf localinstall /tmp/kasmvncserver.rpm -y
-  sudo usermod -aG kasmvnc-cert $USER
-  rm /tmp/kasmvncserver.rpm
-}
 
-# Function to install kasmvncserver for CentOS 7
+  CACHE_DIR="/var/lib/apt/lists/partial"
-install_rpm_centos7() {
+  # Check if the directory exists and was modified in the last 60 minutes
-  local url=$1
+  if [[ ! -d "$CACHE_DIR" ]] || ! find "$CACHE_DIR" -mmin -60 -print -quit &> /dev/null; then
-  download_file $url /tmp/kasmvncserver.rpm
+    echo "Stale package cache, updating..."
-  sudo yum install epel-release -y
+    # Update package cache with a 300-second timeout for dpkg lock
-  sudo yum install /tmp/kasmvncserver.rpm -y
+    sudo apt-get -o DPkg::Lock::Timeout=300 -qq update
-  sudo usermod -aG kasmvnc-cert $USER
+  fi
-  rm /tmp/kasmvncserver.rpm
+
+  DEBIAN_FRONTEND=noninteractive sudo apt-get -o DPkg::Lock::Timeout=300 install --yes -qq --no-install-recommends --no-install-suggests "$kasmdeb"
+  rm "$kasmdeb"
 }
 
 # Function to install kasmvncserver for rpm-based distros
 install_rpm() {
   local url=$1
-  download_file $url /tmp/kasmvncserver.rpm
+  local kasmrpm="/tmp/kasmvncserver.rpm"
-  sudo rpm -i /tmp/kasmvncserver.rpm
+  local package_manager
-  rm /tmp/kasmvncserver.rpm
+
+  if command -v dnf &> /dev/null; then
+    # shellcheck disable=SC2034
+    package_manager=(dnf localinstall -y)
+  elif command -v zypper &> /dev/null; then
+    # shellcheck disable=SC2034
+    package_manager=(zypper install -y)
+  elif command -v yum &> /dev/null; then
+    # shellcheck disable=SC2034
+    package_manager=(yum localinstall -y)
+  elif command -v rpm &> /dev/null; then
+    # Do we need to manually handle missing dependencies?
+    # shellcheck disable=SC2034
+    package_manager=(rpm -i)
+  else
+    echo "ERROR: No supported package manager available (dnf, zypper, yum, or rpm required)"
+    exit 1
+  fi
+
+  download_file "$url" "$kasmrpm"
+
+  # shellcheck disable=SC2288
+  sudo "$${package_manager[@]}" "$kasmrpm" || {
+    echo "ERROR: Failed to install $kasmrpm"
+    exit 1
+  }
+
+  rm "$kasmrpm"
 }
 
 # Function to install kasmvncserver for Alpine Linux
 install_alpine() {
   local url=$1
-  download_file $url /tmp/kasmvncserver.tgz
+  local kasmtgz="/tmp/kasmvncserver.tgz"
-  tar -xzf /tmp/kasmvncserver.tgz -C /usr/local/bin/
+
-  rm /tmp/kasmvncserver.tgz
+  download_file "$url" "$kasmtgz"
+
+  tar -xzf "$kasmtgz" -C /usr/local/bin/
+  rm "$kasmtgz"
 }
 
 # Detect system information
-distro=$(grep "^ID=" /etc/os-release | awk -F= '{print $2}')
+if [[ ! -f /etc/os-release ]]; then
-version=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
+  echo "ERROR: Cannot detect OS: /etc/os-release not found"
-arch=$(uname -m)
-
-echo "Detected Distribution: $distro"
-echo "Detected Version: $version"
-echo "Detected Architecture: $arch"
-
-# Map arch to package arch
-if [[ "$arch" == "x86_64" ]]; then
-  if [[ "$distro" == "ubuntu" || "$distro" == "debian" || "$distro" == "kali" ]]; then
-    arch="amd64"
-  else
-    arch="x86_64"
-  fi
-elif [[ "$arch" == "aarch64" || "$arch" == "arm64" ]]; then
-  if [[ "$distro" == "ubuntu" || "$distro" == "debian" || "$distro" == "kali" ]]; then
-    arch="arm64"
-  else
-    arch="aarch64"
-  fi
-else
-  echo "Unsupported architecture: $arch"
   exit 1
 fi
 
+# shellcheck disable=SC1091
+source /etc/os-release
+distro="$ID"
+distro_version="$VERSION_ID"
+codename="$VERSION_CODENAME"
+arch="$(uname -m)"
+if [[ "$ID" == "ol" ]]; then
+  distro="oracle"
+  distro_version="$${distro_version%%.*}"
+elif [[ "$ID" == "fedora" ]]; then
+  distro_version="$(grep -oP '\(\K[\w ]+' /etc/fedora-release | tr '[:upper:]' '[:lower:]' | tr -d ' ')"
+fi
+
+echo "Detected Distribution: $distro"
+echo "Detected Version: $distro_version"
+echo "Detected Codename: $codename"
+echo "Detected Architecture: $arch"
+
+# Map arch to package arch
+case "$arch" in
+  x86_64)
+    if [[ "$distro" =~ ^(ubuntu|debian|kali)$ ]]; then
+      arch="amd64"
+    fi
+    ;;
+  aarch64)
+    if [[ "$distro" =~ ^(ubuntu|debian|kali)$ ]]; then
+      arch="arm64"
+    fi
+    ;;
+  arm64)
+    : # This is effectively a noop
+    ;;
+  *)
+    echo "ERROR: Unsupported architecture: $arch"
+    exit 1
+    ;;
+esac
+
 # Check if vncserver is installed, and install if not
 if ! check_installed; then
-  echo "Installing KASM version: ${VERSION}"
+  # Check for NOPASSWD sudo (required)
+  if ! command -v sudo &> /dev/null || ! sudo -n true 2> /dev/null; then
+    echo "ERROR: sudo NOPASSWD access required!"
+    exit 1
+  fi
+
+  base_url="https://github.com/kasmtech/KasmVNC/releases/download/v${KASM_VERSION}"
+
+  echo "Installing KASM version: ${KASM_VERSION}"
   case $distro in
     ubuntu | debian | kali)
-      case $version in
+      bin_name="kasmvncserver_$${codename}_${KASM_VERSION}_$${arch}.deb"
-        "20.04")
+      install_deb "$base_url/$bin_name"
-          install_deb "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_focal_${VERSION}_$${arch}.deb"
-          ;;
-        "22.04")
-          install_deb "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_jammy_${VERSION}_$${arch}.deb"
-          ;;
-        "24.04")
-          install_deb "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_noble_${VERSION}_$${arch}.deb"
-          ;;
-        *)
-          echo "Unsupported Ubuntu/Debian/Kali version: $${version}"
-          exit 1
-          ;;
-      esac
       ;;
-    oracle)
+    oracle | fedora | opensuse)
-      if [[ "$version" == "8" ]]; then
+      bin_name="kasmvncserver_$${distro}_$${distro_version}_${KASM_VERSION}_$${arch}.rpm"
-        install_rpm_oracle8 "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_oracle_8_${VERSION}_$${arch}.rpm"
+      install_rpm "$base_url/$bin_name"
-      else
-        echo "Unsupported Oracle version: $${version}"
-        exit 1
-      fi
-      ;;
-    centos)
-      if [[ "$version" == "7" ]]; then
-        install_rpm_centos7 "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_centos_core_${VERSION}_$${arch}.rpm"
-      else
-        install_rpm "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_centos_core_${VERSION}_$${arch}.rpm"
-      fi
       ;;
     alpine)
-      if [[ "$version" == "3.17" || "$version" == "3.18" || "$version" == "3.19" || "$version" == "3.20" ]]; then
+      bin_name="kasmvnc.alpine_$${distro_version//./}_$${arch}.tgz"
-        install_alpine "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvnc.alpine_$${version}_$${arch}.tgz"
+      install_alpine "$base_url/$bin_name"
-      else
-        echo "Unsupported Alpine version: $${version}"
-        exit 1
-      fi
-      ;;
-    fedora | opensuse)
-      install_rpm "https://github.com/kasmtech/KasmVNC/releases/download/v${VERSION}/kasmvncserver_$${distro}_$${version}_${VERSION}_$${arch}.rpm"
       ;;
     *)
-      echo "Unsupported distribution: $${distro}"
+      echo "Unsupported distribution: $distro"
       exit 1
       ;;
   esac
@@ -158,22 +183,53 @@ else
   echo "vncserver already installed. Skipping installation."
 fi
 
-# Coder port-forwarding from dashboard only supports HTTP
+if command -v sudo &> /dev/null && sudo -n true 2> /dev/null; then
-sudo bash -c "cat > /etc/kasmvnc/kasmvnc.yaml <<EOF
+  kasm_config_file="/etc/kasmvnc/kasmvnc.yaml"
+  SUDO=sudo
+else
+  kasm_config_file="$HOME/.vnc/kasmvnc.yaml"
+  SUDO=
+
+  echo "WARNING: Sudo access not available, using user config dir!"
+
+  if [[ -f "$kasm_config_file" ]]; then
+    echo "WARNING: Custom user KasmVNC config exists, not overwriting!"
+    echo "WARNING: Ensure that you manually configure the appropriate settings."
+    kasm_config_file="/dev/stderr"
+  else
+    echo "WARNING: This may prevent custom user KasmVNC settings from applying!"
+    mkdir -p "$HOME/.vnc"
+  fi
+fi
+
+echo "Writing KasmVNC config to $kasm_config_file"
+$SUDO tee "$kasm_config_file" > /dev/null << EOF
 network:
   protocol: http
   websocket_port: ${PORT}
   ssl:
     require_ssl: false
+    pem_certificate:
+    pem_key:
   udp:
     public_ip: 127.0.0.1
-EOF"
+EOF
 
 # This password is not used since we start the server without auth.
 # The server is protected via the Coder session token / tunnel
 # and does not listen publicly
-echo -e "password\npassword\n" | vncpasswd -wo -u $USER
+echo -e "password\npassword\n" | vncpasswd -wo -u "$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 &
+pid=$!
+
+# Wait for server to start
+sleep 5
+grep -v '^[[:space:]]*$' /tmp/kasmvncserver.log | tail -n 10
+if ps -p $pid | grep -q "^$pid"; then
+  echo "ERROR: Failed to start KasmVNC server. Check full logs at /tmp/kasmvncserver.log"
+  exit 1
+fi
+printf "🚀 KasmVNC server started successfully!\n"