Enable turning off the logs by default

ofborg/src/bin/builder.rs

@@ -49,13 +49,27 @@ fn main() {
     let cloner = checkout::cached_cloner(Path::new(&cfg.checkout.root));
     let nix = cfg.nix();
 
+    let full_logs: bool = match cfg.feedback.full_logs {
+        Some(true) => true,
+        None => {
+            warn!("Please define feedback.full_logs in your configuration to true or false!");
+            warn!("feedback.full_logs when true will cause the full build log to be sent back to the server, and be viewable by everyone.");
+            warn!("I strongly encourage everybody turn this on!");
+            false
+        }
+        _ => {
+            false
+        }
+    };
+
     channel.basic_prefetch(1).unwrap();
     channel.basic_consume(
         notifyworker::new(tasks::build::BuildWorker::new(
             cloner,
             nix,
             cfg.nix.system.clone(),
-            cfg.runner.identity.clone()
+            cfg.runner.identity.clone(),
+            full_logs,
         )),
         format!("build-inputs-{}", cfg.nix.system.clone()).as_ref(),
         format!("{}-builder", cfg.whoami()).as_ref(),

ofborg/src/config.rs

@@ -23,7 +23,7 @@ pub struct Config {
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct FeedbackConfig {
-    pub full_logs: bool,
+    pub full_logs: Option<bool>,
 }
 
 #[derive(Serialize, Deserialize, Debug)]

ofborg/src/tasks/build.rs

@@ -24,15 +24,17 @@ pub struct BuildWorker {
     nix: nix::Nix,
     system: String,
     identity: String,
+    full_logs: bool,
 }
 
 impl BuildWorker {
-    pub fn new(cloner: checkout::CachedCloner, nix: nix::Nix, system: String, identity: String) -> BuildWorker {
+    pub fn new(cloner: checkout::CachedCloner, nix: nix::Nix, system: String, identity: String, full_logs: bool) -> BuildWorker {
         return BuildWorker{
             cloner: cloner,
             nix: nix,
             system: system,
             identity: identity,
+            full_logs: full_logs,
         };
     }
 
@@ -228,8 +230,14 @@ impl notifyworker::SimpleNotifyWorker for BuildWorker {
 
         let mut snippet_log = VecDeque::with_capacity(10);
 
+        if self.full_logs {
+            actions.log_line("Full logs are disabled on this builder.");
+        }
+
         for line in spawned.lines().iter() {
-            actions.log_line(&line);
+            if self.full_logs {
+                actions.log_line(&line);
+            }
 
 
             if snippet_log.len() >= 10 {