Update

src/symbols/dir.rs

@@ -1,11 +1,7 @@
-use std::borrow::Cow;
 use std::error::Error;
 use std::fmt;
 use std::fs;
 use std::io;
-use std::io::{Read, Write};
-use std::ops::Deref;
-use std::path::Path;
 
 use symbols::Symbol;
 

src/symbols/dir_for.rs

@@ -0,0 +1,49 @@
+use std::error::Error;
+use std::fmt;
+use std::fs;
+use std::os::unix::fs::MetadataExt;
+
+use users::get_user_by_name;
+
+use symbols::Symbol;
+use symbols::dir::Dir;
+use command_runner::CommandRunner;
+
+
+pub struct DirFor<'a, D> where D: AsRef<str> + fmt::Display {
+  dir: Dir<D>,
+  path: D,
+  user_name: &'a str,
+  command_runner: &'a CommandRunner
+}
+
+impl<'a, D> DirFor<'a, D> where D: AsRef<str> + fmt::Display + Clone {
+  pub fn new(path: D, user_name: &'a str, command_runner: &'a CommandRunner) -> Self {
+    DirFor { dir: Dir::new(path.clone()), path: path, user_name: user_name, command_runner: command_runner }
+  }
+}
+
+impl<'a, D> Symbol for DirFor<'a, D> where D: AsRef<str> + fmt::Display {
+  fn target_reached(&self) -> Result<bool, Box<Error>> {
+    match self.dir.target_reached() {
+      Ok(true) => {
+        let actual_uid = fs::metadata(self.path.as_ref()).unwrap().uid();
+        let target_uid = get_user_by_name(self.user_name).unwrap().uid();
+        Ok(actual_uid == target_uid)
+      },
+      res => res
+    }
+  }
+
+  fn execute(&self) -> Result<(), Box<Error>> {
+    try!(self.dir.execute());
+    try!(self.command_runner.run_with_args("chown", &[self.user_name, self.path.as_ref()]));
+    Ok(())
+  }
+}
+
+impl<'a, D> fmt::Display for DirFor<'a, D> where D: AsRef<str> + fmt::Display {
+  fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error>{
+    write!(f, "Dir {} for {}", self.path, self.user_name)
+  }
+}

src/symbols/file.rs

@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use std::error::Error;
 use std::fmt;
 use std::fs::File as FsFile;

src/symbols/git/mod.rs

@@ -0,0 +1,2 @@
+pub mod checkout;
+pub mod submodules;

src/symbols/git/submodules.rs

@@ -0,0 +1,50 @@
+use std::error::Error;
+use std::fmt;
+use std::io;
+
+use command_runner::CommandRunner;
+use symbols::Symbol;
+
+pub struct GitSubmodules<'a> {
+  target: &'a str,
+  command_runner: &'a CommandRunner
+}
+
+impl<'a> GitSubmodules<'a> {
+  pub fn new(target: &'a str, command_runner: &'a CommandRunner) -> GitSubmodules<'a> {
+    GitSubmodules {
+      target: target,
+      command_runner: command_runner
+    }
+  }
+}
+
+impl<'a> fmt::Display for GitSubmodules<'a> {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    write!(f, "Submodules for {}", self.target)
+  }
+}
+
+impl<'a> GitSubmodules<'a> {
+  fn _run_in_target_repo(&self, args: &[&str]) -> Result<Vec<u8>, io::Error> {
+    let mut new_args = vec!["-C", self.target];
+    new_args.extend_from_slice(args);
+    self.command_runner.run_with_args("git", &new_args).map(|res| res.stdout)
+  }
+}
+
+impl<'a> Symbol for GitSubmodules<'a> {
+  fn target_reached(&self) -> Result<bool, Box<Error>> {
+    let output = try!(self._run_in_target_repo(&["submodule", "status"]));
+    Ok(String::from_utf8(output).unwrap().lines().all(|line| line.len() == 0 || line.starts_with(' ')))
+  }
+
+  fn execute(&self) -> Result<(), Box<Error>> {
+    try!(self._run_in_target_repo(&["submodule", "update", "--init"]));
+    Ok(())
+  }
+}
+
+#[cfg(test)]
+mod test {
+}

src/symbols/list.rs

@@ -0,0 +1,117 @@
+use std::error::Error;
+use std::fmt;
+
+use symbols::Symbol;
+
+pub struct List<'a> {
+  symbols: Vec<Box<Symbol + 'a>>
+}
+
+impl<'a> List<'a> {
+  pub fn new(symbols: Vec<Box<Symbol + 'a>>) -> Self {
+    List { symbols: symbols }
+  }
+}
+
+impl<'a> Symbol for List<'a> {
+  fn target_reached(&self) -> Result<bool, Box<Error>> {
+    for symbol in &self.symbols {
+      match symbol.target_reached() {
+        Ok(false) => return Ok(false),
+        Err(e) => return Err(e),
+        Ok(true) => {}
+      }
+    }
+    Ok(true)
+  }
+
+  fn execute(&self) -> Result<(), Box<Error>> {
+    for symbol in &self.symbols {
+      try!(symbol.execute());
+    }
+    Ok(())
+  }
+}
+
+impl<'a> fmt::Display for List<'a> {
+  fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error>{
+    try!(write!(f, "List [ "));
+    for symbol in &self.symbols {
+      try!(write!(f, "{} ", symbol));
+    }
+    write!(f, "]")
+  }
+}
+
+/*
+#[cfg(test)]
+mod test {
+  use std::error::Error;
+  use std::fmt;
+
+  use symbols::Symbol;
+  use symbols::hook::List;
+
+  struct ErrSymbol(String);
+  impl Symbol for ErrSymbol {
+    fn target_reached(&self) -> Result<bool, Box<Error>> { Err(self.0.clone().into()) }
+    fn execute(&self) -> Result<(), Box<Error>> { Err(self.0.clone().into()) }
+  }
+  impl fmt::Display for ErrSymbol { fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error>{ write!(f, "") } }
+
+  struct OkSymbol(bool);
+  impl Symbol for OkSymbol {
+    fn target_reached(&self) -> Result<bool, Box<Error>> { Ok(self.0) }
+    fn execute(&self) -> Result<(), Box<Error>> { Ok(()) }
+  }
+  impl fmt::Display for OkSymbol { fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error>{ write!(f, "") } }
+
+  #[test]
+  fn first_target_reached_fails() {
+    let res = List::new(ErrSymbol("first".into()), ErrSymbol("second".into())).target_reached();
+    assert_eq!(res.unwrap_err().description(), "first");
+  }
+
+  #[test]
+  fn first_target_not_reached() {
+    let res = List::new(OkSymbol(false), ErrSymbol("second".into())).target_reached();
+    assert_eq!(res.unwrap(), false);
+  }
+
+  #[test]
+  fn second_target_reached_fails() {
+    let res = List::new(OkSymbol(true), ErrSymbol("second".into())).target_reached();
+    assert_eq!(res.unwrap_err().description(), "second");
+  }
+
+  #[test]
+  fn second_target_not_reached() {
+    let res = List::new(OkSymbol(true), OkSymbol(false)).target_reached();
+    assert_eq!(res.unwrap(), false);
+  }
+
+  #[test]
+  fn everything_reached() {
+    let res = List::new(OkSymbol(true), OkSymbol(true)).target_reached();
+    assert_eq!(res.unwrap(), true);
+  }
+
+  #[test]
+  fn first_execute_fails() {
+    let res = List::new(ErrSymbol("first".into()), ErrSymbol("second".into())).execute();
+    assert_eq!(res.unwrap_err().description(), "first");
+  }
+
+  #[test]
+  fn second_execute_fails() {
+    let res = List::new(OkSymbol(true), ErrSymbol("second".into())).execute();
+    assert_eq!(res.unwrap_err().description(), "second");
+  }
+
+  #[test]
+  fn everything_executes() {
+    let res = List::new(OkSymbol(true), OkSymbol(true)).execute();
+    assert_eq!(res.unwrap(), ());
+  }
+}
+*/

src/symbols/mod.rs

@@ -1,4 +1,3 @@
-use std::borrow::Cow;
 use std::error::Error;
 use std::fmt::Display;
 use resources::Resource;
@@ -12,6 +11,7 @@ pub trait Symbol: Display {
 }
 
 pub mod dir;
+pub mod dir_for;
 pub mod file;
 pub mod git;
 pub mod npm;
@@ -19,3 +19,4 @@ pub mod user;
 pub mod systemd;
 pub mod nginx;
 pub mod hook;
+pub mod list;

src/symbols/nginx/server.rs

@@ -57,9 +57,9 @@ impl<'a> NginxServer<'a, String> {
 
     server_name {};
     return 302 $scheme://{}$request_uri;
-  }}
+}}
 
-  ", redir_domain, domain)).fold(String::new(), |s, v| s + &v);
+", redir_domain, domain)).fold(String::new(), |s, v| s + &v);
 
     let proxy_content = if let Some(socket) = socket_path {
       format!("location / {{
@@ -71,7 +71,7 @@ location @proxy {{
   proxy_pass            http://unix:{}:;
   proxy_redirect        off;
 }}", socket)
-    } else { "".to_string() };
+    } else { "\ntry_files $uri $uri/ $uri.html =404;".to_string() }; // FIXME: This is a crude hack
 
     let content = String::from(redir_content) + &format!("server {{
     listen                  80;
@@ -82,7 +82,8 @@ location @proxy {{
 
     root                    {};
     {}
-}}", domain, static_path, proxy_content);
+}}
+", domain, static_path, proxy_content);
     NginxServer {
       command_runner: command_runner,
       file: FileSymbol::new(file_path, content)

src/symbols/systemd/node_js_user_service.rs

@@ -68,6 +68,8 @@ impl<'a> NodeJsSystemdUserService<'a, Cow<'a, str>, String> {
 
     let content = format!("[Service]
 ExecStartPre=rm /var/tmp/{1}-{2}.socket
+# This only works if the path is a directory
+WorkingDirectory={0}
 ExecStart=/usr/bin/nodejs {0}
 Restart=always
 Environment=NODE_ENV=production
@@ -138,12 +140,27 @@ impl<'a, P, C> Symbol for NodeJsSystemdUserService<'a, P, C> where P: AsRef<str>
     let file_name = format!("/var/tmp/{}-{}.socket", self.user_name, self.name);
 //    try!(self.command_runner.run_with_args("chmod", &["666", &file_name]));
 
-    sleep(Duration::from_millis(500));
-    let metadata = try!(fs::metadata(file_name.clone()));
-    let mut perms = metadata.permissions();
-    perms.set_mode(0o666);
-    try!(fs::set_permissions(file_name, perms));
-
+    let mut tries = 5;
+    loop {
+      let metadata = fs::metadata(file_name.clone());
+      match metadata {
+        Ok(metadata) => {
+          let mut perms = metadata.permissions();
+          perms.set_mode(0o666);
+          try!(fs::set_permissions(file_name, perms));
+          break;
+        },
+        Err(e) => {
+          if e.kind() == io::ErrorKind::NotFound {
+            tries -= 1;
+            if tries == 0 { return Err("Gave up waiting for socket to appear".to_string().into()); }
+            sleep(Duration::from_millis(500));
+          } else {
+            return Err(Box::new(e));
+          }
+        }
+      }
+    }
     Ok(())
   }