Added some basic logging. Fixes #1.

Cargo.lock

@@ -93,8 +93,10 @@ dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "handlebars 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "humantime 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stderrlog 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "subprocess 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -253,6 +255,17 @@ dependencies = [
  "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "stderrlog"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termcolor 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "strsim"
 version = "0.7.0"
@@ -325,6 +338,14 @@ dependencies = [
  "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "termcolor"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "wincolor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "termion"
 version = "1.5.1"
@@ -423,6 +444,14 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "wincolor"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [metadata]
 "checksum aho-corasick 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "68f56c7353e5a9547cbd76ed90f7bb5ffc3ba09d4ea9bd1d8c06c8b1142eeb5a"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
@@ -455,6 +484,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)" = "84257ccd054dc351472528c8587b4de2dbf0dc0fe2e634030c1a90bfdacebaa9"
 "checksum serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)" = "31569d901045afbff7a9479f793177fe9259819aff10ab4f89ef69bbc5f567fe"
 "checksum serde_json 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "bb47a3d5c84320222f66d7db21157c4a7407755de41798f9b4c1c40593397b1a"
+"checksum stderrlog 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "61dc66b7ae72b65636dbf36326f9638fb3ba27871bb737a62e2c309b87d91b70"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum structopt 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d8e9ad6a11096cbecdcca0cc6aa403fdfdbaeda2fb3323a39c98e6a166a1e45a"
 "checksum structopt-derive 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4cbce8ccdc62166bd594c14396a3242bf94c337a51dbfa9be1076dd74b3db2af"
@@ -463,6 +493,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
 "checksum syn 0.15.7 (registry+https://github.com/rust-lang/crates.io-index)" = "455a6ec9b368f8c479b0ae5494d13b22dc00990d2f00d68c9dc6a2dc4f17f210"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
+"checksum termcolor 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "adc4587ead41bf016f11af03e55a624c06568b5a19db4e90fde573d805074f83"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
@@ -478,3 +509,4 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+"checksum wincolor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "eeb06499a3a4d44302791052df005d5232b927ed1a9658146d842165c4de7767"

Cargo.toml

@@ -7,6 +7,8 @@ authors = ["Anders Olsson <anders.e.olsson@gmail.com>"]
 chrono = "0.4"
 handlebars = { version = "1.0", features = ["no_dir_source"], default-features = false}
 humantime = "1.1"
+log = "0.4"
+stderrlog = "0.4"
 serde = "1.0"
 serde_derive = "1.0"
 structopt = "0.2"

src/main.rs

@@ -2,6 +2,9 @@ extern crate chrono;
 extern crate handlebars;
 extern crate humantime;
 #[macro_use]
+extern crate log;
+extern crate stderrlog;
+#[macro_use]
 extern crate serde_derive;
 #[macro_use]
 extern crate structopt;
@@ -18,12 +21,16 @@ use std::time::Duration;
 use chrono::prelude::*;
 use handlebars::Handlebars;
 use humantime::format_duration;
+use log::Level::Debug;
 use structopt::StructOpt;
-use subprocess::{Exec, NullFile};
+use subprocess::Exec;
 
 #[derive(StructOpt)]
 #[structopt(name = "ips-uptime")]
 struct Opt {
+    #[structopt(short = "v", long = "verbose", parse(from_occurrences))]
+    verbose: u8,
+
     #[structopt(short = "c", long = "config", parse(from_os_str))]
     config: PathBuf,
 }
@@ -51,12 +58,36 @@ struct Check {
 
 impl Check {
     fn status(&self) -> bool {
+        info!("{}: Executing check", self.name);
+
         let result = Exec::shell(&self.cmd)
-            .stdout(NullFile)
+            .capture()
-            .stderr(NullFile)
-            .join()
             .expect("failed to execute command");
 
+        if log_enabled!(Debug) {
+            let stdout = result.stdout_str();
+
+            if !stdout.is_empty() {
+                debug!("{} - stdout: '{}'", self.name, result.stdout_str());
+            } else {
+                debug!("{} - stdout: <empty>", self.name);
+            }
+
+            let stderr = result.stderr_str();
+
+            if !stderr.is_empty() {
+                debug!("{} - stderr: '{}'", self.name, result.stderr_str());
+            } else {
+                debug!("{} - stderr: <empty>", self.name);
+            }
+        }
+
+        if result.success() {
+            info!("{}: Check success", self.name);
+        } else {
+            info!("{}: Check failed", self.name);
+        }
+
         result.success()
     }
 }
@@ -64,6 +95,12 @@ impl Check {
 fn main() {
     let opt = Opt::from_args();
 
+    stderrlog::new()
+        .verbosity(opt.verbose as usize)
+        .timestamp(stderrlog::Timestamp::Second)
+        .init()
+        .unwrap();
+
     let mut buffer = Vec::new();
 
     fs::File::open(&opt.config)