rename api3 back to api2

There is no real need to change the path, so using api2 we can reuse
all helpers (like tools from proxmox widget toolkit).

src/api2/config/datastore.rs

@@ -0,0 +1,96 @@
+use failure::*;
+//use std::collections::HashMap;
+
+use crate::api::schema::*;
+use crate::api::router::*;
+use crate::backup::chunk_store::*;
+use serde_json::{json, Value};
+use std::path::PathBuf;
+
+use crate::config::datastore;
+
+pub fn get() -> ApiMethod {
+    ApiMethod::new(
+        get_datastore_list,
+        ObjectSchema::new("Directory index."))
+}
+
+fn get_datastore_list(_param: Value, _info: &ApiMethod) -> Result<Value, Error> {
+
+    let config = datastore::config()?;
+
+    Ok(config.convert_to_array("name"))
+}
+
+pub fn post() -> ApiMethod {
+    ApiMethod::new(
+        create_datastore,
+        ObjectSchema::new("Create new datastore.")
+            .required("name", StringSchema::new("Datastore name."))
+            .required("path", StringSchema::new("Directory path (must exist)."))
+    )
+}
+
+fn create_datastore(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
+
+    // fixme: locking ?
+
+    let mut config = datastore::config()?;
+
+    let name = param["name"].as_str().unwrap();
+
+    if let Some(_) = config.sections.get(name) {
+        bail!("datastore '{}' already exists.", name);
+    }
+
+    let path: PathBuf = param["path"].as_str().unwrap().into();
+    let _store = ChunkStore::create(name, path)?;
+
+    let datastore = json!({
+        "path": param["path"]
+    });
+
+    config.set_data(name, "datastore", datastore);
+
+    datastore::save_config(&config)?;
+
+    Ok(Value::Null)
+}
+
+pub fn delete() -> ApiMethod {
+    ApiMethod::new(
+        delete_datastore,
+        ObjectSchema::new("Remove a datastore configuration.")
+            .required("name", StringSchema::new("Datastore name.")))
+}
+
+fn delete_datastore(param: Value, _info: &ApiMethod) -> Result<Value, Error> {
+    println!("This is a test {}", param);
+
+    // fixme: locking ?
+    // fixme: check digest ?
+
+    let mut config = datastore::config()?;
+
+    let name = param["name"].as_str().unwrap();
+
+    match config.sections.get(name) {
+        Some(_) => { config.sections.remove(name); },
+        None => bail!("datastore '{}' does not exist.", name),
+    }
+
+    datastore::save_config(&config)?;
+
+    Ok(Value::Null)
+}
+
+pub fn router() -> Router {
+
+    let route = Router::new()
+        .get(get())
+        .post(post())
+        .delete(delete());
+
+
+    route
+}