[pdm-devel] [PATCH proxmox-datacenter-manager v4 14/15] ui: sdn: add evpn overview panel

[Stefan Hanreich <s.hanreich@proxmox.com>]

This panel shows an overview of the state of SDN EVPN Zones across
multiple remotes. It includes two different views: a per-remote and a
per-VRF view. For details on the specific views consult the respective
commits. It handles the fetching of data and passing them to the
specific child components and it also handles the dialogues for
creating new EVPN entities (zones, vnets).

Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
---
 ui/src/sdn/evpn/evpn_panel.rs | 262 ++++++++++++++++++++++++++++++++++
 ui/src/sdn/evpn/mod.rs        |   3 +
 2 files changed, 265 insertions(+)
 create mode 100644 ui/src/sdn/evpn/evpn_panel.rs

diff --git a/ui/src/sdn/evpn/evpn_panel.rs b/ui/src/sdn/evpn/evpn_panel.rs
new file mode 100644
index 0000000..89e2e58
--- /dev/null
+++ b/ui/src/sdn/evpn/evpn_panel.rs
@@ -0,0 +1,262 @@
+use futures::try_join;
+use std::rc::Rc;
+
+use anyhow::Error;
+use yew::virtual_dom::{VComp, VNode};
+use yew::{html, Callback, Html, Properties};
+
+use pdm_client::types::{ListController, ListControllersType, ListVnet, ListZone, ListZonesType};
+use proxmox_yew_comp::{LoadableComponent, LoadableComponentContext, LoadableComponentMaster};
+
+use pwt::css::{AlignItems, FlexFit, JustifyContent};
+use pwt::props::{ContainerBuilder, EventSubscriber, StorageLocation, WidgetBuilder};
+use pwt::state::NavigationContainer;
+use pwt::tr;
+use pwt::widget::menu::{Menu, MenuButton, MenuItem};
+use pwt::widget::{Button, Column, MiniScrollMode, TabBarItem, TabPanel, Toolbar};
+
+use crate::pdm_client;
+use crate::sdn::evpn::{AddVnetWindow, AddZoneWindow, RemoteTree, VrfTree};
+
+#[derive(PartialEq, Properties)]
+pub struct EvpnPanel {}
+
+impl Default for EvpnPanel {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl EvpnPanel {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl From<EvpnPanel> for VNode {
+    fn from(value: EvpnPanel) -> Self {
+        let comp = VComp::new::<LoadableComponentMaster<EvpnPanelComponent>>(Rc::new(value), None);
+        VNode::from(comp)
+    }
+}
+
+pub enum EvpnPanelMsg {
+    Reload,
+    LoadFinished {
+        controllers: Rc<Vec<ListController>>,
+        zones: Rc<Vec<ListZone>>,
+        vnets: Rc<Vec<ListVnet>>,
+    },
+}
+
+#[derive(Debug, PartialEq)]
+pub enum EvpnPanelViewState {
+    AddZone,
+    AddVnet,
+}
+
+async fn load_zones() -> Result<Vec<ListZone>, Error> {
+    let client = pdm_client();
+    let data = client
+        .pve_sdn_list_zones(false, true, ListZonesType::Evpn)
+        .await?;
+    Ok(data)
+}
+
+async fn load_controllers() -> Result<Vec<ListController>, Error> {
+    let client = pdm_client();
+    let data = client
+        .pve_sdn_list_controllers(false, true, ListControllersType::Evpn)
+        .await?;
+    Ok(data)
+}
+
+async fn load_vnets() -> Result<Vec<ListVnet>, Error> {
+    let client = pdm_client();
+    let data = client.pve_sdn_list_vnets(false, true).await?;
+    Ok(data)
+}
+
+pub struct EvpnPanelComponent {
+    controllers: Rc<Vec<ListController>>,
+    zones: Rc<Vec<ListZone>>,
+    vnets: Rc<Vec<ListVnet>>,
+    initial_load: bool,
+}
+
+impl EvpnPanelComponent {
+    fn create_toolbar(&self, ctx: &LoadableComponentContext<Self>) -> Toolbar {
+        let on_add_zone = ctx
+            .link()
+            .change_view_callback(|_| Some(EvpnPanelViewState::AddZone));
+
+        let on_add_vnet = ctx
+            .link()
+            .change_view_callback(|_| Some(EvpnPanelViewState::AddVnet));
+
+        let on_refresh = ctx.link().callback(|_| EvpnPanelMsg::Reload);
+
+        let add_menu = Menu::new()
+            .with_item(
+                MenuItem::new(tr!("Zone"))
+                    .icon_class("fa fa-th")
+                    .on_select(on_add_zone),
+            )
+            .with_item(
+                MenuItem::new(tr!("VNet"))
+                    .icon_class("fa fa-sdn-vnet")
+                    .on_select(on_add_vnet),
+            );
+
+        Toolbar::new()
+            .class("pwt-w-100")
+            .class("pwt-overflow-hidden")
+            .class("pwt-border-bottom")
+            .with_child(MenuButton::new(tr!("Add")).show_arrow(true).menu(add_menu))
+            .with_flex_spacer()
+            .with_child(Button::refresh(ctx.loading()).onclick(on_refresh))
+    }
+}
+
+impl LoadableComponent for EvpnPanelComponent {
+    type Properties = EvpnPanel;
+    type Message = EvpnPanelMsg;
+    type ViewState = EvpnPanelViewState;
+
+    fn create(_ctx: &LoadableComponentContext<Self>) -> Self {
+        Self {
+            initial_load: true,
+            controllers: Default::default(),
+            zones: Default::default(),
+            vnets: Default::default(),
+        }
+    }
+
+    fn load(
+        &self,
+        ctx: &LoadableComponentContext<Self>,
+    ) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<(), Error>>>> {
+        let link = ctx.link().clone();
+
+        Box::pin(async move {
+            let (controllers, zones, vnets) =
+                try_join!(load_controllers(), load_zones(), load_vnets())?;
+
+            link.send_message(Self::Message::LoadFinished {
+                controllers: Rc::new(controllers),
+                zones: Rc::new(zones),
+                vnets: Rc::new(vnets),
+            });
+
+            Ok(())
+        })
+    }
+
+    fn update(&mut self, ctx: &LoadableComponentContext<Self>, msg: Self::Message) -> bool {
+        match msg {
+            Self::Message::LoadFinished {
+                controllers,
+                zones,
+                vnets,
+            } => {
+                self.controllers = controllers;
+                self.zones = zones;
+                self.vnets = vnets;
+                self.initial_load = false;
+
+                return true;
+            }
+            Self::Message::Reload => {
+                ctx.link().send_reload();
+            }
+        }
+
+        false
+    }
+
+    fn main_view(&self, ctx: &LoadableComponentContext<Self>) -> Html {
+        let panel = TabPanel::new()
+            .state_id(StorageLocation::session("EvpnPanelState"))
+            .class(pwt::css::FlexFit)
+            .router(true)
+            .scroll_mode(MiniScrollMode::Arrow)
+            .with_item(
+                TabBarItem::new()
+                    .key("remotes")
+                    .label(tr!("Remotes"))
+                    .icon_class("fa fa-server"),
+                Column::new()
+                    .class(pwt::css::FlexFit)
+                    .with_child(self.create_toolbar(ctx))
+                    .with_child(if self.initial_load {
+                        VNode::from(
+                            Column::new()
+                                .class(FlexFit)
+                                .class(AlignItems::Center)
+                                .class(JustifyContent::Center)
+                                .with_child(html! {<i class={"pwt-loading-icon"} />}),
+                        )
+                    } else {
+                        VNode::from(RemoteTree::new(
+                            self.zones.clone(),
+                            self.vnets.clone(),
+                            self.controllers.clone(),
+                        ))
+                    }),
+            )
+            .with_item(
+                TabBarItem::new()
+                    .key("vrfs")
+                    .label(tr!("IP-VRFs"))
+                    .icon_class("fa fa-th"),
+                Column::new()
+                    .class(pwt::css::FlexFit)
+                    .with_child(self.create_toolbar(ctx))
+                    .with_child(if self.initial_load {
+                        VNode::from(
+                            Column::new()
+                                .class(FlexFit)
+                                .class(AlignItems::Center)
+                                .class(JustifyContent::Center)
+                                .with_child(html! {<i class={"pwt-loading-icon"} />}),
+                        )
+                    } else {
+                        VNode::from(VrfTree::new(
+                            self.zones.clone(),
+                            self.vnets.clone(),
+                            self.controllers.clone(),
+                        ))
+                    }),
+            );
+
+        let navigation_container = NavigationContainer::new().with_child(panel);
+
+        Column::new()
+            .class(pwt::css::FlexFit)
+            .with_child(navigation_container)
+            .into()
+    }
+
+    fn dialog_view(
+        &self,
+        ctx: &LoadableComponentContext<Self>,
+        view_state: &Self::ViewState,
+    ) -> Option<Html> {
+        let scope = ctx.link().clone();
+
+        let on_success = Callback::from(move |upid: String| {
+            scope.show_task_log(upid, None);
+        });
+
+        let on_close = ctx.link().clone().change_view_callback(|_| None);
+
+        Some(match view_state {
+            EvpnPanelViewState::AddZone => {
+                AddZoneWindow::new(self.controllers.clone(), on_success, on_close).into()
+            }
+            EvpnPanelViewState::AddVnet => {
+                AddVnetWindow::new(self.zones.clone(), on_success, on_close).into()
+            }
+        })
+    }
+}
diff --git a/ui/src/sdn/evpn/mod.rs b/ui/src/sdn/evpn/mod.rs
index adcf272..1948ecf 100644
--- a/ui/src/sdn/evpn/mod.rs
+++ b/ui/src/sdn/evpn/mod.rs
@@ -1,3 +1,6 @@
+mod evpn_panel;
+pub use evpn_panel::EvpnPanel;
+
 mod remote_tree;
 pub use remote_tree::RemoteTree;
 
-- 
2.47.2


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