[pdm-devel] [PATCH yew-comp 2/2] node status panel: add a panel that show the current status of a node

[Shannon Sterz <s.sterz@proxmox.com>]

it also allows shutting down or reloading the node.

Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
Reviewed-by: Dominik Csapak <d.csapak@proxmox.com>
Tested-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/lib.rs               |   3 +
 src/node_status_panel.rs | 246 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 249 insertions(+)
 create mode 100644 src/node_status_panel.rs

diff --git a/src/lib.rs b/src/lib.rs
index 3a9e32b..e097b05 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -91,6 +91,9 @@ pub use loadable_component::{
 mod node_info;
 pub use node_info::{node_info, NodeStatus};

+mod node_status_panel;
+pub use node_status_panel::NodeStatusPanel;
+
 mod notes_view;
 pub use notes_view::{NotesView, NotesWithDigest, ProxmoxNotesView};

diff --git a/src/node_status_panel.rs b/src/node_status_panel.rs
new file mode 100644
index 0000000..be14d71
--- /dev/null
+++ b/src/node_status_panel.rs
@@ -0,0 +1,246 @@
+use std::future::Future;
+use std::rc::Rc;
+
+use anyhow::Error;
+use html::IntoPropValue;
+use pwt::css::{AlignItems, ColorScheme, FlexFit};
+use pwt::widget::form::DisplayField;
+use yew::virtual_dom::{VComp, VNode};
+
+use pwt::prelude::*;
+use pwt::widget::{error_message, Fa, Panel, Row, Tooltip};
+use pwt::widget::{Button, Dialog};
+use pwt_macros::builder;
+
+use proxmox_node_status::{NodePowerCommand, NodeStatus};
+
+use crate::utils::copy_text_to_clipboard;
+use crate::{
+    http_get, http_post, node_info, ConfirmButton, LoadableComponent, LoadableComponentContext,
+    LoadableComponentMaster,
+};
+
+#[derive(Properties, Clone, PartialEq)]
+#[builder]
+pub struct NodeStatusPanel {
+    /// URL path to load the node's status from.
+    #[builder(IntoPropValue, into_prop_value)]
+    #[prop_or_default]
+    status_base_url: Option<AttrValue>,
+}
+
+impl NodeStatusPanel {
+    pub fn new() -> Self {
+        yew::props!(Self {})
+    }
+}
+
+impl Default for NodeStatusPanel {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+enum Msg {
+    Error(Error),
+    Loaded(Rc<NodeStatus>),
+    RebootOrShutdown(NodePowerCommand),
+    Reload,
+}
+
+#[derive(PartialEq)]
+enum ViewState {
+    FingerprintDialog,
+}
+
+struct ProxmoxNodeStatusPanel {
+    node_status: Option<Rc<NodeStatus>>,
+    error: Option<Error>,
+}
+
+impl ProxmoxNodeStatusPanel {
+    fn change_power_state(&self, ctx: &LoadableComponentContext<Self>, command: NodePowerCommand) {
+        let Some(url) = ctx.props().status_base_url.clone() else {
+            return;
+        };
+        let link = ctx.link().clone();
+
+        ctx.link().spawn(async move {
+            let data = Some(serde_json::json!({
+                "command": command,
+            }));
+
+            match http_post(url.as_str(), data).await {
+                Ok(()) => link.send_message(Msg::Reload),
+                Err(err) => link.send_message(Msg::Error(err)),
+            }
+        });
+    }
+
+    fn fingerprint_dialog(
+        &self,
+        ctx: &LoadableComponentContext<Self>,
+        fingerprint: &str,
+    ) -> Dialog {
+        let link = ctx.link();
+        let link_button = ctx.link();
+        let fingerprint = fingerprint.to_owned();
+
+        Dialog::new(tr!("Fingerprint"))
+            .resizable(true)
+            .min_width(500)
+            .on_close(move |_| link.change_view(None))
+            .with_child(
+                Row::new()
+                    .gap(2)
+                    .margin_start(2)
+                    .margin_end(2)
+                    .with_child(
+                        DisplayField::new()
+                            .class(pwt::css::FlexFit)
+                            .value(fingerprint.clone())
+                            .border(true),
+                    )
+                    .with_child(
+                        Tooltip::new(
+                            Button::new_icon("fa fa-clipboard")
+                                .class(ColorScheme::Primary)
+                                .on_activate(move |_| copy_text_to_clipboard(&fingerprint)),
+                        )
+                        .tip(tr!("Copy token secret to clipboard.")),
+                    ),
+            )
+            .with_child(
+                Row::new()
+                    .padding(2)
+                    .with_flex_spacer()
+                    .with_child(
+                        Button::new(tr!("OK")).on_activate(move |_| link_button.change_view(None)),
+                    )
+                    .with_flex_spacer(),
+            )
+    }
+}
+
+impl LoadableComponent for ProxmoxNodeStatusPanel {
+    type Message = Msg;
+    type ViewState = ViewState;
+    type Properties = NodeStatusPanel;
+
+    fn create(ctx: &crate::LoadableComponentContext<Self>) -> Self {
+        ctx.link().repeated_load(5000);
+
+        Self {
+            node_status: None,
+            error: None,
+        }
+    }
+
+    fn load(
+        &self,
+        ctx: &crate::LoadableComponentContext<Self>,
+    ) -> std::pin::Pin<Box<dyn Future<Output = Result<(), anyhow::Error>>>> {
+        let url = ctx.props().status_base_url.clone();
+        let link = ctx.link().clone();
+
+        Box::pin(async move {
+            if let Some(url) = url {
+                match http_get(url.as_str(), None).await {
+                    Ok(res) => link.send_message(Msg::Loaded(Rc::new(res))),
+                    Err(err) => link.send_message(Msg::Error(err)),
+                }
+            }
+            Ok(())
+        })
+    }
+
+    fn update(&mut self, ctx: &crate::LoadableComponentContext<Self>, msg: Self::Message) -> bool {
+        match msg {
+            Msg::Error(err) => {
+                self.error = Some(err);
+                true
+            }
+            Msg::Loaded(status) => {
+                self.node_status = Some(status);
+                self.error = None;
+                true
+            }
+            Msg::RebootOrShutdown(command) => {
+                self.change_power_state(ctx, command);
+                false
+            }
+            Msg::Reload => true,
+        }
+    }
+
+    fn dialog_view(
+        &self,
+        ctx: &LoadableComponentContext<Self>,
+        view_state: &Self::ViewState,
+    ) -> Option<Html> {
+        if view_state == &ViewState::FingerprintDialog {
+            if let Some(ref node_status) = self.node_status {
+                return Some(
+                    self.fingerprint_dialog(&ctx, &node_status.info.fingerprint)
+                        .into(),
+                );
+            }
+        }
+        None
+    }
+
+    fn main_view(&self, ctx: &crate::LoadableComponentContext<Self>) -> Html {
+        let status = self
+            .node_status
+            .as_ref()
+            .map(|r| crate::NodeStatus::Common(r));
+
+        Panel::new()
+            .border(false)
+            .class(FlexFit)
+            .title(
+                Row::new()
+                    .class(AlignItems::Center)
+                    .gap(2)
+                    .with_child(Fa::new("book"))
+                    .with_child(tr!("Node Status"))
+                    .into_html(),
+            )
+            .with_tool(
+                ConfirmButton::new(tr!("Reboot"))
+                    .confirm_message(tr!("Are you sure you want to reboot the node?"))
+                    .on_activate(
+                        ctx.link()
+                            .callback(|_| Msg::RebootOrShutdown(NodePowerCommand::Reboot)),
+                    )
+                    .icon_class("fa fa-undo"),
+            )
+            .with_tool(
+                ConfirmButton::new(tr!("Shutdown"))
+                    .confirm_message(tr!("Are you sure you want to shut down the node?"))
+                    .on_activate(
+                        ctx.link()
+                            .callback(|_| Msg::RebootOrShutdown(NodePowerCommand::Shutdown)),
+                    )
+                    .icon_class("fa fa-power-off"),
+            )
+            .with_tool(
+                Button::new(tr!("Show Fingerprint"))
+                    .icon_class("fa fa-hashtag")
+                    .class(ColorScheme::Primary)
+                    .on_activate(
+                        ctx.link()
+                            .change_view_callback(|_| ViewState::FingerprintDialog),
+                    ),
+            )
+            .with_child(node_info(status))
+            .with_optional_child(self.error.as_ref().map(|e| error_message(&e.to_string())))
+            .into()
+    }
+}
+
+impl From<NodeStatusPanel> for VNode {
+    fn from(value: NodeStatusPanel) -> Self {
+        VComp::new::<LoadableComponentMaster<ProxmoxNodeStatusPanel>>(Rc::new(value), None).into()
+    }
+}
--
2.47.3



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