feat: basic volume plugin commands

internal/constants/constants.go

@@ -0,0 +1,3 @@
+package constants
+
+var VolumeRoot = "/tmp/ironmount"

internal/driver/activate.go

@@ -0,0 +1,17 @@
+package driver
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+)
+
+func Activate(w http.ResponseWriter, r *http.Request) {
+	// Log the activation request
+	log.Printf("Received activation request: %s", r.URL.Path)
+
+	resp := map[string]any{
+		"Implements": []string{"VolumeDriver"},
+	}
+	_ = json.NewEncoder(w).Encode(resp)
+}

internal/driver/create.go

@@ -0,0 +1,25 @@
+package driver
+
+import (
+	"encoding/json"
+	"ironmount/internal/constants"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+func Create(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Name string
+	}
+	_ = json.NewDecoder(r.Body).Decode(&req)
+
+	volPath := filepath.Join(constants.VolumeRoot, req.Name)
+	if err := os.MkdirAll(volPath, 0755); err != nil {
+		_ = json.NewEncoder(w).Encode(map[string]string{"Err": err.Error()})
+		return
+	}
+
+	volumes[req.Name] = Volume{Name: req.Name, Path: volPath}
+	_ = json.NewEncoder(w).Encode(map[string]string{"Err": ""})
+}

internal/driver/mount.go

@@ -0,0 +1,27 @@
+package driver
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func Mount(w http.ResponseWriter, r *http.Request) {
+	var req MountRequest
+	err := json.NewDecoder(r.Body).Decode(&req)
+
+	if err != nil {
+		http.Error(w, "Invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	vol, ok := volumes[req.Name]
+	if !ok {
+		_ = json.NewEncoder(w).Encode(map[string]string{"Err": "volume not found"})
+		return
+	}
+
+	_ = json.NewEncoder(w).Encode(map[string]string{
+		"Mountpoint": vol.Path,
+		"Err":        "",
+	})
+}

internal/driver/path.go

@@ -0,0 +1,22 @@
+package driver
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func Path(w http.ResponseWriter, r *http.Request) {
+	var req PathRequest
+	_ = json.NewDecoder(r.Body).Decode(&req)
+
+	vol, ok := volumes[req.Name]
+	if !ok {
+		_ = json.NewEncoder(w).Encode(map[string]string{"Err": "volume not found"})
+		return
+	}
+
+	_ = json.NewEncoder(w).Encode(map[string]string{
+		"Mountpoint": vol.Path,
+		"Err":        "",
+	})
+}

internal/driver/remove.go

@@ -0,0 +1,14 @@
+package driver
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func Remove(w http.ResponseWriter, r *http.Request) {
+	var req RemoveRequest
+	_ = json.NewDecoder(r.Body).Decode(&req)
+
+	delete(volumes, req.Name)
+	_ = json.NewEncoder(w).Encode(map[string]string{"Err": ""})
+}

internal/driver/state.go

@@ -0,0 +1,8 @@
+package driver
+
+type Volume struct {
+	Name string
+	Path string
+}
+
+var volumes = map[string]Volume{}

internal/driver/type.go

@@ -0,0 +1,22 @@
+package driver
+
+// CreateRequest is the JSON request for Create
+type CreateRequest struct {
+	Name string
+}
+
+// RemoveRequest is the JSON request for Remove
+type RemoveRequest struct {
+	Name string
+}
+
+// MountRequest is the JSON request for Mount
+type MountRequest struct {
+	Name string
+	ID   string
+}
+
+// PathRequest is the JSON request for Path
+type PathRequest struct {
+	Name string
+}

internal/driver/unmount.go

@@ -0,0 +1,10 @@
+package driver
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func Unmount(w http.ResponseWriter, r *http.Request) {
+	_ = json.NewEncoder(w).Encode(map[string]string{"Err": ""})
+}