From dd3406a9b60e1fb9308f1e68e247aa8f67e440b4 Mon Sep 17 00:00:00 2001
From: Kjetil Orbekk <kjetil.orbekk@gmail.com>
Date: Fri, 26 May 2017 06:44:52 -0400
Subject: Add minimial unit details page.

---
 src/main.rs         | 24 ++++++++++++++++++++----
 src/render/mod.rs   |  4 +++-
 src/systemd/unit.rs |  4 ++--
 3 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index f96ebdc..710fbda 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -52,7 +52,7 @@ fn overview(r: &mut Request) -> IronResult<Response> {
         .find("name")
         .unwrap_or("World").to_owned();
 
-    let units = unit::get_units().unwrap();
+    let units = unit::get_units("*").unwrap();
 
     let sections = ["service", "timer", "socket", "target", "slice", "mount",
                     "path"];
@@ -81,7 +81,6 @@ fn journal(r: &mut Request) -> IronResult<Response> {
                         .get::<Router>()
                         .unwrap()
                         .find("unit"), status::BadRequest);
-    info!("got here");
     let re = Regex::new(r"[-_\w\d]*").unwrap();
     if !re.is_match(unit) {
         return Ok(Response::with(
@@ -89,17 +88,34 @@ fn journal(r: &mut Request) -> IronResult<Response> {
              format!("Unit ({}) does not match {}",
                      unit, re))));
     }
-    info!("got here");
     Ok(Response::with((status::Ok,
                        itry!(journal::get_log(unit, 100)))))
 }
 
+fn unit_status(r: &mut Request) -> IronResult<Response> {
+    let unit_name = iexpect!(r.extensions
+                             .get::<Router>()
+                             .unwrap()
+                             .find("unit"), status::BadRequest);
+    let re = Regex::new(r"[-_\w\d]*").unwrap();
+    if !re.is_match(unit_name) {
+        return Ok(Response::with(
+            (status::BadRequest,
+             format!("Unit ({}) does not match {}",
+                     unit_name, re))));
+    }
+    let unit = unit::get_units(unit_name);
+    let log = itry!(journal::get_log(unit_name, 15));
+    Ok(Response::with((status::Ok,
+                       format!("{:?}\n{}", unit, log))))
+}
+
 fn main() {
     env_logger::init().unwrap();
     let secret = b"secret2".to_vec();
     let router = router!(
         root: get "/" => overview,
-        name: get "/:name" => overview,
+        details: get "/status/:unit" => unit_status,
         journal: get "/journal/:unit" => journal,
         css: get "/static/main.css" => Static::new(""),
     );
diff --git a/src/render/mod.rs b/src/render/mod.rs
index 49c3086..f7ad1d1 100644
--- a/src/render/mod.rs
+++ b/src/render/mod.rs
@@ -23,7 +23,9 @@ fn unit_table<'a>(units: &'a [&unit::Unit]) -> Box<RenderBox + 'a> {
         box_html! {
             tr {
                 td {
-                    : &unit.name
+                    a(href=format_args!("/status/{}", &unit.name)) {
+                        : &unit.name
+                    }
                 }
                 td {
                     : format_args!("{} ({})",
diff --git a/src/systemd/unit.rs b/src/systemd/unit.rs
index 22752cb..116ffdb 100644
--- a/src/systemd/unit.rs
+++ b/src/systemd/unit.rs
@@ -60,10 +60,10 @@ fn test_make_unit() {
     assert_eq!(None, make_unit(info));
 }
 
-pub fn get_units() -> io::Result<Vec<Unit>> {
+pub fn get_units(filter: &str) -> io::Result<Vec<Unit>> {
     let mut units = Vec::new();
     let status = try!(Command::new("systemctl")
-        .args(&["show", "*"]).output());
+        .args(&["show", filter]).output());
 
     let mut unit_info = HashMap::new();
     for line in String::from_utf8_lossy(&status.stdout).split('\n') {
-- 
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