diff --git a/pkg/agent/config/config.go b/pkg/agent/config/config.go index c5495e8b37..7525198893 100644 --- a/pkg/agent/config/config.go +++ b/pkg/agent/config/config.go @@ -19,6 +19,8 @@ import ( "strings" "time" + fuseoverlayfs "github.com/AkihiroSuda/containerd-fuse-overlayfs" + "github.com/containerd/containerd/snapshots/overlay" "github.com/pkg/errors" "github.com/rancher/k3s/pkg/agent/proxy" "github.com/rancher/k3s/pkg/cli/cmds" @@ -429,6 +431,18 @@ func get(envInfo *cmds.Agent, proxy proxy.Proxy) (*config.Node, error) { nodeConfig.CACerts = info.CACerts nodeConfig.Containerd.Config = filepath.Join(envInfo.DataDir, "agent", "etc", "containerd", "config.toml") nodeConfig.Containerd.Root = filepath.Join(envInfo.DataDir, "agent", "containerd") + switch nodeConfig.AgentConfig.Snapshotter { + case "overlayfs": + if err := overlay.Supported(nodeConfig.Containerd.Root); err != nil { + return nil, errors.Wrapf(err, "\"overlayfs\" snapshotter cannot be enabled for %q, try using \"fuse-overlayfs\" or \"native\"", + nodeConfig.Containerd.Root) + } + case "fuse-overlayfs": + if err := fuseoverlayfs.Supported(nodeConfig.Containerd.Root); err != nil { + return nil, errors.Wrapf(err, "\"fuse-overlayfs\" snapshotter cannot be enabled for %q, try using \"native\"", + nodeConfig.Containerd.Root) + } + } nodeConfig.Containerd.Opt = filepath.Join(envInfo.DataDir, "agent", "containerd") if !envInfo.Debug { nodeConfig.Containerd.Log = filepath.Join(envInfo.DataDir, "agent", "containerd", "containerd.log")