journal: Get unit log

1 files changed, 10 insertions, 0 deletions

diff --git a/src/systemd/journal.rs b/src/systemd/journal.rs
new file mode 100644
index 0000000..86791ab
--- /dev/null
+++ b/src/systemd/journal.rs
@@ -0,0 +1,10 @@
+use std::process::Command;
+use std::io;
+
+pub fn get_log(unit: &str, lines: i32) -> io::Result<String> {
+    let status = try!(Command::new("journalctl")
+                      .args(&["-u", unit,
+                              "-n", &lines.to_string()])
+                      .output());
+    Ok(String::from_utf8_lossy(&status.stdout).into_owned())
+}