docs: advise against shared CODER_CACHE_DIRECTORY dir usage in note (coder#14216)

dannykopping · web-flow · commit d79a7adf99b8 · 2024-08-08T12:42:47.000Z
diff --git a/cli/testdata/coder_server_--help.golden b/cli/testdata/coder_server_--help.golden
@@ -22,7 +22,8 @@ OPTIONS:
       --cache-dir string, $CODER_CACHE_DIRECTORY (default: [cache dir])
           The directory to cache temporary files. If unspecified and
           $CACHE_DIRECTORY is set, it will be used for compatibility with
-          systemd.
+          systemd. This directory is NOT safe to be configured as a shared
+          directory across coderd/provisionerd replicas.
 
       --disable-owner-workspace-access bool, $CODER_DISABLE_OWNER_WORKSPACE_ACCESS
           Remove the permission for the 'owner' role to have workspace execution
diff --git a/cli/testdata/server-config.yaml.golden b/cli/testdata/server-config.yaml.golden
@@ -414,7 +414,8 @@ updateCheck: false
 # (default: <unset>, type: bool)
 enableSwagger: false
 # The directory to cache temporary files. If unspecified and $CACHE_DIRECTORY is
-# set, it will be used for compatibility with systemd.
+# set, it will be used for compatibility with systemd. This directory is NOT safe
+# to be configured as a shared directory across coderd/provisionerd replicas.
 # (default: [cache dir], type: string)
 cacheDir: [cache dir]
 # Controls whether data will be stored in an in-memory database.
diff --git a/codersdk/deployment.go b/codersdk/deployment.go
@@ -1977,13 +1977,14 @@ when required by your organization's security policy.`,
 			Annotations: serpent.Annotations{}.Mark(annotationExternalProxies, "true"),
 		},
 		{
-			Name:        "Cache Directory",
-			Description: "The directory to cache temporary files. If unspecified and $CACHE_DIRECTORY is set, it will be used for compatibility with systemd.",
-			Flag:        "cache-dir",
-			Env:         "CODER_CACHE_DIRECTORY",
-			Default:     DefaultCacheDir(),
-			Value:       &c.CacheDir,
-			YAML:        "cacheDir",
+			Name: "Cache Directory",
+			Description: "The directory to cache temporary files. If unspecified and $CACHE_DIRECTORY is set, it will be used for compatibility with systemd. " +
+				"This directory is NOT safe to be configured as a shared directory across coderd/provisionerd replicas.",
+			Flag:    "cache-dir",
+			Env:     "CODER_CACHE_DIRECTORY",
+			Default: DefaultCacheDir(),
+			Value:   &c.CacheDir,
+			YAML:    "cacheDir",
 		},
 		{
 			Name:        "In Memory Database",
diff --git a/docs/cli/server.md b/docs/cli/server.md
diff --git a/enterprise/cli/testdata/coder_server_--help.golden b/enterprise/cli/testdata/coder_server_--help.golden
@@ -23,7 +23,8 @@ OPTIONS:
       --cache-dir string, $CODER_CACHE_DIRECTORY (default: [cache dir])
           The directory to cache temporary files. If unspecified and
           $CACHE_DIRECTORY is set, it will be used for compatibility with
-          systemd.
+          systemd. This directory is NOT safe to be configured as a shared
+          directory across coderd/provisionerd replicas.
 
       --disable-owner-workspace-access bool, $CODER_DISABLE_OWNER_WORKSPACE_ACCESS
           Remove the permission for the 'owner' role to have workspace execution
