Adds a warning about editing to the containerd config.toml file (#7076)

* Add a warning to the config.toml file

Signed-off-by: Derek Nola <derek.nola@suse.com>
Co-authored-by: Brad Davidson <brad@oatmail.org>

pkg/agent/containerd/config_linux.go

@@ -66,6 +66,7 @@ func setupContainerdConfig(ctx context.Context, cfg *config.Node) error {
 		EnableUnprivileged:    kernel.CheckKernelVersion(4, 11, 0),
 		PrivateRegistryConfig: privRegistries.Registry,
 		ExtraRuntimes:         findNvidiaContainerRuntimes(os.DirFS(string(os.PathSeparator))),
+		Program:               version.Program,
 	}
 
 	selEnabled, selConfigured, err := selinuxStatus()

pkg/agent/templates/templates.go

@@ -19,4 +19,5 @@ type ContainerdConfig struct {
 	EnableUnprivileged    bool
 	PrivateRegistryConfig *registries.Registry
 	ExtraRuntimes         map[string]ContainerdRuntimeConfig
+	Program               string
 }

pkg/agent/templates/templates_linux.go

@@ -8,6 +8,7 @@ import (
 )
 
 const ContainerdConfigTemplate = `
+# File generated by {{ .Program }}. DO NOT EDIT. Use config.toml.tmpl instead.
 version = 2
 
 [plugins."io.containerd.internal.v1.opt"]