added example of boundary to claude code module (#500)

The version for the claude-code module should have been updated in
https://github.com/coder/registry/pull/455. This PR updates the module
version so we can cut a release 😎

.github/typos.toml

@@ -5,6 +5,7 @@ Hashi = "Hashi"
 HashiCorp = "HashiCorp"
 mavrickrishi = "mavrickrishi" # Username
 mavrick = "mavrick" # Username
+inh = "inh" # Option in setpriv command
 
 [files]
 extend-exclude = ["registry/coder/templates/aws-devcontainer/architecture.svg"] #False positive

registry/coder/modules/claude-code/README.md

@@ -13,7 +13,7 @@ Run the [Claude Code](https://docs.anthropic.com/en/docs/agents-and-tools/claude
 ```tf
 module "claude-code" {
   source         = "registry.coder.com/coder/claude-code/coder"
-  version        = "3.1.1"
+  version        = "3.2.1"
   agent_id       = coder_agent.example.id
   workdir        = "/home/coder/project"
   claude_api_key = "xxxx-xxxxx-xxxx"
@@ -34,6 +34,23 @@ module "claude-code" {
 
 ## Examples
 
+### Usage with Agent Boundaries
+
+This example shows how to configure the Claude Code module to run the agent behind a process-level boundary that restricts its network access.
+
+```tf
+module "claude-code" {
+  source                           = "dev.registry.coder.com/coder/claude-code/coder"
+  enable_boundary                  = true
+  boundary_version                 = "main"
+  boundary_log_dir                 = "/tmp/boundary_logs"
+  boundary_log_level               = "WARN"
+  boundary_additional_allowed_urls = ["GET *google.com"]
+  boundary_proxy_port              = "8087"
+  version                          = "3.2.1"
+}
+```
+
 ### Usage with Tasks and Advanced Configuration
 
 This example shows how to configure the Claude Code module with an AI prompt, API key shared by all users of the template, and other custom settings.
@@ -49,7 +66,7 @@ data "coder_parameter" "ai_prompt" {
 
 module "claude-code" {
   source   = "registry.coder.com/coder/claude-code/coder"
-  version  = "3.1.1"
+  version  = "3.2.1"
   agent_id = coder_agent.example.id
   workdir  = "/home/coder/project"
 
@@ -85,7 +102,7 @@ Run and configure Claude Code as a standalone CLI in your workspace.
 ```tf
 module "claude-code" {
   source              = "registry.coder.com/coder/claude-code/coder"
-  version             = "3.1.1"
+  version             = "3.2.1"
   agent_id            = coder_agent.example.id
   workdir             = "/home/coder"
   install_claude_code = true
@@ -108,7 +125,7 @@ variable "claude_code_oauth_token" {
 
 module "claude-code" {
   source                  = "registry.coder.com/coder/claude-code/coder"
-  version                 = "3.1.1"
+  version                 = "3.2.1"
   agent_id                = coder_agent.example.id
   workdir                 = "/home/coder/project"
   claude_code_oauth_token = var.claude_code_oauth_token
@@ -181,7 +198,7 @@ resource "coder_env" "bedrock_api_key" {
 
 module "claude-code" {
   source   = "registry.coder.com/coder/claude-code/coder"
-  version  = "3.1.1"
+  version  = "3.2.1"
   agent_id = coder_agent.example.id
   workdir  = "/home/coder/project"
   model    = "global.anthropic.claude-sonnet-4-5-20250929-v1:0"
@@ -238,7 +255,7 @@ resource "coder_env" "google_application_credentials" {
 
 module "claude-code" {
   source   = "registry.coder.com/coder/claude-code/coder"
-  version  = "3.1.1"
+  version  = "3.2.1"
   agent_id = coder_agent.example.id
   workdir  = "/home/coder/project"
   model    = "claude-sonnet-4@20250514"

registry/coder/modules/claude-code/main.tf

@@ -192,6 +192,42 @@ variable "claude_md_path" {
   default     = "$HOME/.claude/CLAUDE.md"
 }
 
+variable "enable_boundary" {
+  type        = bool
+  description = "Whether to enable coder boundary for network filtering"
+  default     = false
+}
+
+variable "boundary_version" {
+  type        = string
+  description = "Boundary version, valid git reference should be provided (tag, commit, branch)"
+  default     = "main"
+}
+
+variable "boundary_log_dir" {
+  type        = string
+  description = "Directory for boundary logs"
+  default     = "/tmp/boundary_logs"
+}
+
+variable "boundary_log_level" {
+  type        = string
+  description = "Log level for boundary process"
+  default     = "WARN"
+}
+
+variable "boundary_additional_allowed_urls" {
+  type        = list(string)
+  description = "Additional URLs to allow through boundary (in addition to default allowed URLs)"
+  default     = []
+}
+
+variable "boundary_proxy_port" {
+  type        = string
+  description = "Port for HTTP Proxy used by Boundary"
+  default     = "8087"
+}
+
 resource "coder_env" "claude_code_md_path" {
   count = var.claude_md_path == "" ? 0 : 1
 
@@ -229,6 +265,8 @@ locals {
   start_script                      = file("${path.module}/scripts/start.sh")
   module_dir_name                   = ".claude-module"
   remove_last_session_id_script_b64 = base64encode(file("${path.module}/scripts/remove-last-session-id.sh"))
+  # Extract hostname from access_url for boundary --allow flag
+  coder_host = replace(replace(data.coder_workspace.me.access_url, "https://", ""), "http://", "")
 
   # Required prompts for the module to properly report task status to Coder
   report_tasks_system_prompt = <<-EOT
@@ -299,6 +337,13 @@ module "agentapi" {
      ARG_PERMISSION_MODE='${var.permission_mode}' \
      ARG_WORKDIR='${local.workdir}' \
      ARG_AI_PROMPT='${base64encode(var.ai_prompt)}' \
+     ARG_ENABLE_BOUNDARY='${var.enable_boundary}' \
+     ARG_BOUNDARY_VERSION='${var.boundary_version}' \
+     ARG_BOUNDARY_LOG_DIR='${var.boundary_log_dir}' \
+     ARG_BOUNDARY_LOG_LEVEL='${var.boundary_log_level}' \
+     ARG_BOUNDARY_ADDITIONAL_ALLOWED_URLS='${join(" ", var.boundary_additional_allowed_urls)}' \
+     ARG_BOUNDARY_PROXY_PORT='${var.boundary_proxy_port}' \
+     ARG_CODER_HOST='${local.coder_host}' \
      /tmp/start.sh
    EOT
 

registry/coder/modules/claude-code/main.tftest.hcl

@@ -188,6 +188,32 @@ run "test_claude_code_permission_mode_validation" {
   }
 }
 
+run "test_claude_code_with_boundary" {
+  command = plan
+
+  variables {
+    agent_id         = "test-agent-boundary"
+    workdir          = "/home/coder/boundary-test"
+    enable_boundary  = true
+    boundary_log_dir = "/tmp/test-boundary-logs"
+  }
+
+  assert {
+    condition     = var.enable_boundary == true
+    error_message = "Boundary should be enabled"
+  }
+
+  assert {
+    condition     = var.boundary_log_dir == "/tmp/test-boundary-logs"
+    error_message = "Boundary log dir should be set correctly"
+  }
+
+  assert {
+    condition     = local.coder_host != ""
+    error_message = "Coder host should be extracted from access URL"
+  }
+}
+
 run "test_claude_code_system_prompt" {
   command = plan
 
@@ -267,4 +293,4 @@ run "test_claude_report_tasks_disabled" {
     condition     = endswith(trimspace(coder_env.claude_code_system_prompt.value), "</system>")
     error_message = "System prompt should end with </system>"
   }
-}
+}

registry/coder/modules/claude-code/scripts/start.sh

@@ -17,6 +17,12 @@ ARG_DANGEROUSLY_SKIP_PERMISSIONS=${ARG_DANGEROUSLY_SKIP_PERMISSIONS:-}
 ARG_PERMISSION_MODE=${ARG_PERMISSION_MODE:-}
 ARG_WORKDIR=${ARG_WORKDIR:-"$HOME"}
 ARG_AI_PROMPT=$(echo -n "${ARG_AI_PROMPT:-}" | base64 -d)
+ARG_ENABLE_BOUNDARY=${ARG_ENABLE_BOUNDARY:-false}
+ARG_BOUNDARY_VERSION=${ARG_BOUNDARY_VERSION:-"main"}
+ARG_BOUNDARY_LOG_DIR=${ARG_BOUNDARY_LOG_DIR:-"/tmp/boundary_logs"}
+ARG_BOUNDARY_LOG_LEVEL=${ARG_BOUNDARY_LOG_LEVEL:-"WARN"}
+ARG_BOUNDARY_PROXY_PORT=${ARG_BOUNDARY_PROXY_PORT:-"8087"}
+ARG_CODER_HOST=${ARG_CODER_HOST:-}
 
 echo "--------------------------------"
 
@@ -27,6 +33,12 @@ printf "ARG_DANGEROUSLY_SKIP_PERMISSIONS: %s\n" "$ARG_DANGEROUSLY_SKIP_PERMISSIO
 printf "ARG_PERMISSION_MODE: %s\n" "$ARG_PERMISSION_MODE"
 printf "ARG_AI_PROMPT: %s\n" "$ARG_AI_PROMPT"
 printf "ARG_WORKDIR: %s\n" "$ARG_WORKDIR"
+printf "ARG_ENABLE_BOUNDARY: %s\n" "$ARG_ENABLE_BOUNDARY"
+printf "ARG_BOUNDARY_VERSION: %s\n" "$ARG_BOUNDARY_VERSION"
+printf "ARG_BOUNDARY_LOG_DIR: %s\n" "$ARG_BOUNDARY_LOG_DIR"
+printf "ARG_BOUNDARY_LOG_LEVEL: %s\n" "$ARG_BOUNDARY_LOG_LEVEL"
+printf "ARG_BOUNDARY_PROXY_PORT: %s\n" "$ARG_BOUNDARY_PROXY_PORT"
+printf "ARG_CODER_HOST: %s\n" "$ARG_CODER_HOST"
 
 echo "--------------------------------"
 
@@ -35,6 +47,14 @@ echo "--------------------------------"
 # avoid exiting if the script fails
 bash "/tmp/remove-last-session-id.sh" "$(pwd)" 2> /dev/null || true
 
+function install_boundary() {
+  # Install boundary from public github repo
+  git clone https://github.com/coder/boundary
+  cd boundary
+  git checkout $ARG_BOUNDARY_VERSION
+  go install ./cmd/...
+}
+
 function validate_claude_installation() {
   if command_exists claude; then
     printf "Claude Code is installed\n"
@@ -76,7 +96,47 @@ function start_agentapi() {
     fi
   fi
   printf "Running claude code with args: %s\n" "$(printf '%q ' "${ARGS[@]}")"
-  agentapi server --type claude --term-width 67 --term-height 1190 -- claude "${ARGS[@]}"
+
+  if [ "${ARG_ENABLE_BOUNDARY:-false}" = "true" ]; then
+    install_boundary
+
+    mkdir -p "$ARG_BOUNDARY_LOG_DIR"
+    printf "Starting with coder boundary enabled\n"
+
+    # Build boundary args with conditional --unprivileged flag
+    BOUNDARY_ARGS=(--log-dir "$ARG_BOUNDARY_LOG_DIR")
+    # Add default allowed URLs
+    BOUNDARY_ARGS+=(--allow "*anthropic.com" --allow "registry.npmjs.org" --allow "*sentry.io" --allow "claude.ai" --allow "$ARG_CODER_HOST")
+
+    # Add any additional allowed URLs from the variable
+    if [ -n "$ARG_BOUNDARY_ADDITIONAL_ALLOWED_URLS" ]; then
+      IFS=' ' read -ra ADDITIONAL_URLS <<< "$ARG_BOUNDARY_ADDITIONAL_ALLOWED_URLS"
+      for url in "${ADDITIONAL_URLS[@]}"; do
+        BOUNDARY_ARGS+=(--allow "$url")
+      done
+    fi
+
+    # Set HTTP Proxy port used by Boundary
+    BOUNDARY_ARGS+=(--proxy-port $ARG_BOUNDARY_PROXY_PORT)
+
+    # Set log level for boundary
+    BOUNDARY_ARGS+=(--log-level $ARG_BOUNDARY_LOG_LEVEL)
+
+    # Remove --dangerously-skip-permissions from ARGS when using boundary (it doesn't work with elevated permissions)
+    # Create a new array without the dangerous permissions flag
+    CLAUDE_ARGS=()
+    for arg in "${ARGS[@]}"; do
+      if [ "$arg" != "--dangerously-skip-permissions" ]; then
+        CLAUDE_ARGS+=("$arg")
+      fi
+    done
+
+    agentapi server --allowed-hosts="*" --type claude --term-width 67 --term-height 1190 -- \
+      sudo -E env PATH=$PATH setpriv --inh-caps=+net_admin --ambient-caps=+net_admin --bounding-set=+net_admin boundary "${BOUNDARY_ARGS[@]}" -- \
+      claude "${CLAUDE_ARGS[@]}"
+  else
+    agentapi server --type claude --term-width 67 --term-height 1190 -- claude "${ARGS[@]}"
+  fi
 }
 
 validate_claude_installation