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init: skeleton for dashboard configuration state
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@ -7,13 +7,15 @@ license = "Apache-2.0"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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anyhow = "1.0.79"
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async-io = "2.3.1"
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axum = "0.7.4"
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axum = { version = "0.7.4", features = [ "ws" ] }
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clap = { version = "4.4.18", features = ["derive"] }
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maud = { version = "0.26.0", features = ["axum"] }
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prometheus-http-api = "0.2.0"
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serde = { version = "1.0.196", features = ["derive"] }
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serde_json = "1.0.113"
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serde_yaml = "0.9.31"
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smol = "2.0.0"
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smol-axum = "0.1.0"
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smol-macros = "0.1.0"
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34
src/dashboard.rs
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34
src/dashboard.rs
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@ -0,0 +1,34 @@
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// Copyright 2021 Jeremy Wall
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::path::Path;
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use serde::Deserialize;
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use serde_yaml;
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#[derive(Deserialize)]
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pub struct Dashboard {
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title: String,
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graphs: Vec<Graph>,
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}
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#[derive(Deserialize)]
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pub struct Graph {
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title: String,
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query: String,
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}
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pub fn read_dashboard_list(path: &Path) -> anyhow::Result<Vec<Dashboard>> {
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let f = std::fs::File::open(path)?;
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Ok(serde_yaml::from_reader(f)?)
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}
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18
src/main.rs
18
src/main.rs
@ -11,15 +11,18 @@
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::io;
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use std::net::TcpListener;
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use std::path::PathBuf;
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use std::sync::Arc;
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use anyhow;
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use async_io::Async;
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use axum::{self, routing::*, Router};
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use clap::{self, Parser};
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use smol_macros::main;
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mod dashboard;
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mod query;
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mod routes;
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#[derive(clap::Parser)]
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@ -27,20 +30,25 @@ mod routes;
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struct Cli {
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#[arg(long)]
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listen: Option<std::net::SocketAddr>,
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#[arg(long)]
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config: PathBuf,
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}
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main! {
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async fn main(ex: &Arc<smol_macros::Executor<'_>>) -> io::Result<()> {
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async fn main(ex: &Arc<smol_macros::Executor<'_>>) -> anyhow::Result<()> {
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let args = Cli::parse();
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let config = std::sync::Arc::new(dashboard::read_dashboard_list(args.config.as_path())?);
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let router = Router::new()
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.with_state(config)
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// JSON api endpoints
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.nest("/api", routes::mk_api_routes())
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// HTMX ui component endpoints
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.nest("/ui", routes::mk_ui_routes())
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.route("/", get(routes::index));
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let socket_addr = args.listen.unwrap_or("127.0.0.1:3000".parse().unwrap());
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let socket_addr = args.listen.unwrap_or("127.0.0.1:3000".parse()?);
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// TODO(jwall): Take this from clap arguments
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let listener = Async::<TcpListener>::bind(socket_addr).unwrap();
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smol_axum::serve(ex.clone(), listener, router).await
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let listener = Async::<TcpListener>::bind(socket_addr)?;
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smol_axum::serve(ex.clone(), listener, router).await?;
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Ok(())
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}
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}
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28
src/query.rs
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28
src/query.rs
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@ -0,0 +1,28 @@
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// Copyright 2021 Jeremy Wall
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use prometheus_http_api::{DataSource, Query};
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pub struct QueryConn {
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source: DataSource,
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query: Query,
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}
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impl QueryConn {
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pub fn new<S: Into<DataSource>, Q: Into<Query>>(src: S, qry: Q) -> Self {
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Self {
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source: src.into(),
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query: qry.into(),
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}
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}
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}
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@ -11,10 +11,17 @@
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use std::sync::Arc;
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use maud::{html, Markup};
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use axum::Router;
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use axum::{extract::State, Router};
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use crate::dashboard::Dashboard;
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type Config = State<Arc<Vec<Dashboard>>>;
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pub fn mk_api_routes() -> Router {
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// Query routes
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Router::new()
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}
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@ -22,15 +29,26 @@ pub fn mk_ui_routes() -> Router {
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Router::new()
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}
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pub async fn index() -> Markup {
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pub async fn index(State(config): Config) -> Markup {
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html! {
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html {
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head {
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title { ("Heracles - Prometheus Unshackled") }
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}
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body {
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("hello world")
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(app(State(config.clone())).await)
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}
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}
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}
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}
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pub async fn app(State(config): Config) -> Markup {
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html! {
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div {
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// Header menu
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div { }
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// dashboard display
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div { }
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}
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}
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}
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