fix: replaced offline with install config

Author: ibetitsmike

registry/coder/modules/cmux/README.md

@@ -79,17 +79,17 @@ module "cmux" {
 }
 ```
 
-### Offline Mode
+### Skip Install
 
-Just run cmux in the background; do not install from the network (requires cmux to be pre-installed):
+Run without installing from the network (requires cmux to be pre-installed):
 
 ```tf
 module "cmux" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/cmux/coder"
   version  = "1.0.0"
   agent_id = coder_agent.example.id
-  offline  = true
+  install  = false
 }
 ```
 
@@ -100,5 +100,5 @@ module "cmux" {
 ## Notes
 
 - cmux is currently in preview and you may encounter bugs
-- Requires internet connectivity for agent operations (unless running in offline mode)
+- Requires internet connectivity for agent operations (unless `install` is set to false)
 - Installs `@coder/cmux` from npm by default (falls back to the npm tarball if npm is unavailable)

registry/coder/modules/cmux/cmux.tftest.hcl

@@ -6,13 +6,13 @@ run "required_vars" {
   }
 }
 
-run "offline_and_use_cached_conflict" {
+run "install_false_and_use_cached_conflict" {
   command = plan
 
   variables {
     agent_id   = "foo"
     use_cached = true
-    offline    = true
+    install    = false
   }
 
   expect_failures = [
@@ -43,13 +43,13 @@ run "custom_version" {
   }
 }
 
-# offline-only should succeed
-run "offline_only_success" {
+# install=false should succeed
+run "install_false_only_success" {
   command = plan
 
   variables {
     agent_id = "foo"
-    offline  = true
+    install  = false
   }
 }
 

registry/coder/modules/cmux/main.tf

@@ -72,10 +72,10 @@ variable "group" {
   default     = null
 }
 
-variable "offline" {
+variable "install" {
   type        = bool
-  description = "Just run cmux in the background; do not install from the network"
-  default     = false
+  description = "Install cmux from the network (npm or tarball). If false, run without installing (requires a pre-installed cmux)."
+  default     = true
 }
 
 variable "use_cached" {
@@ -116,15 +116,15 @@ resource "coder_script" "cmux" {
     PORT : var.port,
     LOG_PATH : var.log_path,
     INSTALL_PREFIX : var.install_prefix,
-    OFFLINE : var.offline,
+    OFFLINE : !var.install,
     USE_CACHED : var.use_cached,
   })
   run_on_start = true
 
   lifecycle {
     precondition {
-      condition     = !var.offline || !var.use_cached
-      error_message = "Offline and Use Cached can not be used together"
+      condition     = var.install || !var.use_cached
+      error_message = "Cannot use 'use_cached' when 'install' is false"
     }
   }
 }