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Switch to slog

master
Adrian Heine 2 years ago
parent
commit
395fb1c9fa
  1. 3
      Cargo.toml
  2. 109
      src/setup/core.rs
  3. 21
      src/setup/runnable.rs
  4. 97
      src/setup/setup.rs
  5. 73
      src/setup/symbol_runner.rs
  6. 79
      src/setup/util.rs
  7. 7
      tests/setup.rs

3
Cargo.toml

@ -12,6 +12,9 @@ futures-util = "0.3"
async-trait = "0.1"
tokio = { version = "1.6.1", features = ["rt", "process", "io-util", "macros", "sync"] }
once_cell = "1.4"
slog = { version = "2", features = ["max_level_trace", "release_max_level_trace"] }
slog-term = "2.5"
slog-async = "2.7"
[dev-dependencies]
tempfile = "3"

109
src/setup/core.rs

@ -3,20 +3,21 @@ use super::setup::Setup;
use super::util::{AddableResource, InternalAddResult};
use super::SymbolRunner;
use crate::async_utils::join;
use crate::loggers::{Logger, StoringLogger};
use crate::resources::{FromArtifact, FromResource};
use crate::symbols::Symbol;
use crate::to_artifact::ToArtifact;
use crate::{ImplementationBuilder, ResourceLocator};
use async_trait::async_trait;
use slog::{debug, o, trace, Logger};
use std::error::Error;
use std::fmt::Debug;
use std::hash::Hash;
use std::marker::PhantomData;
use std::rc::Rc;
#[async_trait(?Send)]
pub trait AddGeneric<X: ToArtifact> {
async fn add_generic(&self, x: X) -> InternalAddResult<X>;
async fn add_generic(&self, logger: &Rc<Logger>, x: X) -> InternalAddResult<X>;
}
macro_rules! add_generic {
@ -25,9 +26,9 @@ macro_rules! add_generic {
#[async_trait(?Send)]
impl<SR, L, B, Rs, As> AddGeneric<()> for Setup<SR, L, B, Rs, As>
{
async fn add_generic(&self, (): ()) -> Result<(StoringLogger, (), bool), (StoringLogger, Box<dyn Error>)>
async fn add_generic(&self, _: &Rc<Logger>, (): ()) -> Result<((), bool), Box<dyn Error>>
{
Ok((StoringLogger::default(), (), false))
Ok(((), false))
}
}
);
@ -45,18 +46,16 @@ macro_rules! add_generic {
),*
{
#[allow(unused, clippy::shadow_unrelated)]
async fn add_generic(&self, ($($name,)*): ($($name,)*)) -> Result<(StoringLogger, ($($name::Artifact,)*), bool), (StoringLogger, Box<dyn Error>)>
async fn add_generic(&self, logger: &Rc<Logger>, ($($name,)*): ($($name,)*)) -> Result<(($($name::Artifact,)*), bool), Box<dyn Error>>
{
let ($($name,)*) = join!($(self.add($name, false),)*);
let logger = StoringLogger::default();
let ($($name,)*) = join!($(self.add(logger, $name, false),)*);
let mut did_run_any = false;
$(
let (log, artifact, did_run) = $name?;
logger.put(log.release());
let (artifact, did_run) = $name?;
did_run_any = did_run_any || did_run;
let $name = artifact;
)*
Ok((logger, ($($name,)*), did_run_any))
Ok((($($name,)*), did_run_any))
}
}
);
@ -80,13 +79,13 @@ where
Self: AddGeneric<B::Prerequisites>,
T::Artifact: Clone,
{
async fn add_generic(&self, r: Option<T>) -> InternalAddResult<Option<T>> {
async fn add_generic(&self, logger: &Rc<Logger>, r: Option<T>) -> InternalAddResult<Option<T>> {
Ok(match r {
Some(r) => {
let (logger, result, did_run) = self.add(r, false).await?;
(logger, Some(result), did_run)
let (result, did_run) = self.add(logger, r, false).await?;
(Some(result), did_run)
}
None => (StoringLogger::default(), None, false),
None => (None, false),
})
}
}
@ -104,8 +103,8 @@ where
T::Artifact: Clone,
RegularSetupCore<SR, L, B>: 'static + SetupCore<T, Self>,
{
async fn add_generic(&self, r: T) -> InternalAddResult<T> {
self.add(r, false).await
async fn add_generic(&self, logger: &Rc<Logger>, r: T) -> InternalAddResult<T> {
self.add(logger, r, false).await
}
}
@ -114,6 +113,7 @@ pub trait SetupCore<R: AddableResource, S> {
async fn add<RR: AsRef<R>>(
&self,
setup: &S,
logger: &Rc<Logger>,
resource: RR,
force_run: bool,
) -> InternalAddResult<R>;
@ -145,71 +145,66 @@ where
async fn add<RR: AsRef<R>>(
&self,
setup: &S,
logger: &Rc<Logger>,
resource: RR,
force_run: bool,
) -> InternalAddResult<R> {
let resource = resource.as_ref();
let logger = StoringLogger::new();
logger.write(4, format!("Adding {:?} ... ", resource));
logger.write(4, format!("(force_run is {})", force_run));
debug!(logger, "Adding {:?} ... ", resource);
debug!(logger, "(force_run is {})", force_run);
let (location, location_prereqs) = L::locate(resource);
logger.trace(format!("Adding location prereqs for {:?}", resource));
let result = setup.add_generic(location_prereqs).await;
if let Err((log, e)) = result {
logger.put(log.release());
return Err((logger, e));
}
let (location_prereq_logger, _, location_prereqs_did_run) = result.unwrap();
logger.put(location_prereq_logger.release());
logger.trace(format!(
trace!(logger, "Adding location prereqs for {:?}", resource);
let location_prereq_logger = Rc::new(logger.new(o!("prereq" => "location")));
let (_, location_prereqs_did_run) = setup
.add_generic(&location_prereq_logger, location_prereqs)
.await?;
trace!(
logger,
"Location prereqs for {:?} did_run: {}",
resource, location_prereqs_did_run
));
logger.trace(format!("Adding implementation prereqs for {:?}", resource));
let result = setup.add_generic(B::prerequisites(resource)).await;
if let Err((log, e)) = result {
logger.put(log.release());
return Err((logger, e));
}
let (impl_prereq_logger, prereqs, prereqs_did_run) = result.unwrap();
logger.put(impl_prereq_logger.release());
logger.trace(format!(
resource,
location_prereqs_did_run
);
trace!(logger, "Adding implementation prereqs for {:?}", resource);
let impl_prereq_logger = Rc::new(logger.new(o!("prereq" => "implementation")));
let (prereqs, prereqs_did_run) = setup
.add_generic(&impl_prereq_logger, B::prerequisites(resource))
.await?;
trace!(
logger,
"Implementation prereqs for {:?} did_run: {}",
resource, prereqs_did_run
));
logger.trace(format!("Running implementation for {:?}", resource));
resource,
prereqs_did_run
);
trace!(logger, "Running implementation for {:?}", resource);
let implementation = B::create(resource, &location, prereqs);
let did_run_result = implementation
.run(
&self.symbol_runner,
&logger,
logger,
force_run || location_prereqs_did_run || prereqs_did_run,
)
.await;
match did_run_result {
Ok(did_run) => {
logger.write(4, "done.");
Ok((logger, location, did_run))
debug!(logger, "done.");
Ok((location, did_run))
}
Err(e) => Err((logger, e)),
Err(e) => Err(e),
}
}
}
#[async_trait(?Send)]
impl<SR: SymbolRunner, L, B> SymbolRunner for RegularSetupCore<SR, L, B> {
async fn run_symbol<S: Symbol + Debug, LOG: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
parent_logger: &LOG,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
let logger = StoringLogger::new();
logger.write(4, format!("Directly running {:?} ...", symbol));
let result = self.symbol_runner.run_symbol(symbol, &logger, force).await;
logger.write(4, "done.");
let max_level = if result.is_err() { 5 } else { 3 };
parent_logger.put(logger.release().into_iter().filter(|e| e.0 <= max_level));
debug!(logger, "Directly running {:?} ...", symbol);
let result = self.symbol_runner.run_symbol(symbol, logger, force).await;
debug!(logger, "done.");
result
}
}
@ -220,12 +215,16 @@ mod test {
use super::AddGeneric;
use crate::async_utils::run;
use crate::DrySymbolRunner;
use std::rc::Rc;
#[test]
fn empty() {
let setup: Setup<_, (), (), (), ()> = Setup::new(DrySymbolRunner);
run(async {
assert!(setup.add_generic(()).await.is_ok());
assert!(setup
.add_generic(&Rc::new(slog::Logger::root(slog::Discard, slog::o!())), ())
.await
.is_ok());
})
}
}

21
src/setup/runnable.rs

@ -1,16 +1,17 @@
use super::SymbolRunner;
use crate::loggers::Logger;
use crate::symbols::Symbol;
use async_trait::async_trait;
use slog::Logger;
use std::error::Error;
use std::fmt::Debug;
// A generalization over symbols and tuples of symbols
#[async_trait(?Send)]
pub trait Runnable {
async fn run<R: SymbolRunner, L: Logger>(
async fn run<R: SymbolRunner>(
&self,
runner: &R,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>>;
}
@ -21,10 +22,10 @@ impl<S> Runnable for S
where
Self: Symbol + Debug,
{
async fn run<R: SymbolRunner, L: Logger>(
async fn run<R: SymbolRunner>(
&self,
runner: &R,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
runner.run_symbol(self, logger, force).await
@ -38,7 +39,7 @@ macro_rules! runnable_for_tuple {
#[allow(non_snake_case)]
impl<$($name: Symbol + Debug,)*> Runnable for ($($name,)*) {
#[allow(unused)]
async fn run<_R: SymbolRunner, _L: Logger>(&self, runner: &_R, logger: &_L, force: bool) -> Result<bool, Box<dyn Error>> {
async fn run<_R: SymbolRunner>(&self, runner: &_R, logger: &Logger, force: bool) -> Result<bool, Box<dyn Error>> {
let ($($name,)*) = self;
let mut result = false;
$(result = runner.run_symbol($name, logger, force || result).await? || result;)*
@ -54,10 +55,10 @@ for_each_tuple!(runnable_for_tuple);
mod test {
use super::Runnable;
use crate::async_utils::run;
use crate::loggers::{Logger, StoringLogger};
use crate::symbols::Symbol;
use crate::SymbolRunner;
use async_trait::async_trait;
use slog::{o, Discard, Logger};
use std::cell::RefCell;
use std::error::Error;
use std::fmt::Debug;
@ -116,10 +117,10 @@ mod test {
#[async_trait(?Send)]
impl SymbolRunner for TestSymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
_logger: &L,
_logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
let run = force || !symbol.target_reached().await?;
@ -135,7 +136,7 @@ mod test {
force: bool,
) -> (Rc<RefCell<usize>>, Result<bool, Box<dyn Error>>) {
let (count, runner) = get_runner();
let res = run(runnable.run(&runner, &StoringLogger::new(), force));
let res = run(runnable.run(&runner, &Logger::root(Discard, o!()), force));
(count, res)
}

97
src/setup/setup.rs

@ -1,15 +1,17 @@
use super::core::{RegularSetupCore, SetupCore};
use super::runnable::Runnable;
use super::util::{AddResult, AddableResource, InternalAddResult};
use super::util::{AddResult, AddableResource, InternalAddResult, Recorder};
use super::SymbolRunner;
use crate::async_utils::sleep;
use crate::loggers::{Logger, StoringLogger};
use crate::loggers::Logger;
use crate::resources::{DefaultArtifacts, DefaultResources, FromArtifact, FromResource};
use crate::symbols::Symbol;
use crate::{DefaultBuilder, DefaultLocator};
use futures_util::future::{FutureExt, Shared};
use slog::{o, trace, Logger as SlogLogger};
use std::cell::{RefCell, RefMut};
use std::collections::HashMap;
use std::error::Error;
use std::fmt::Debug;
use std::future::Future;
use std::hash::Hash;
use std::pin::Pin;
@ -44,7 +46,12 @@ impl<L: 'static, B: 'static, SR: 'static, Rs: Hash + Eq + 'static, As: 'static>
// FIXME: https://github.com/rust-lang/rust-clippy/issues/6353
#[allow(clippy::await_holding_refcell_ref)]
pub async fn add<R: AddableResource>(&self, resource: R, force_run: bool) -> InternalAddResult<R>
pub async fn add<R: AddableResource>(
&self,
logger: &Rc<SlogLogger>,
resource: R,
force_run: bool,
) -> InternalAddResult<R>
where
Rs: FromResource<R>,
As: FromArtifact<R> + Clone,
@ -60,24 +67,22 @@ impl<L: 'static, B: 'static, SR: 'static, Rs: Hash + Eq + 'static, As: 'static>
);
resources.insert(storable_resource, future.clone());
drop(resources);
let logger = StoringLogger::default();
logger.trace(format!(
"{:?} already added",
weak_resource.upgrade().expect("Dangling!")
));
trace!(logger, "Resource already added");
let (t, did_run) = future.await;
Ok((logger, t, did_run))
Ok((t, did_run))
} else {
let inner_weak = Rc::downgrade(&self.0);
let logger_weak = Rc::downgrade(logger);
let future = Box::pin(async move {
let this = Self(inner_weak.upgrade().expect("Dangling!"));
let logger = logger_weak.upgrade().expect("Dangling!");
let resource = weak_resource.upgrade().expect("Dangling!");
// Need to convert Box<Error> to String for Clone for Shared
let result = this.0.core.add(&this, resource, force_run).await;
let result = this.0.core.add(&this, &logger, resource, force_run).await;
result
.map(|(logger, t, did_run)| (logger, As::from_artifact(t), did_run))
.map_err(|(logger, e)| (logger, e.to_string()))
.map(|(t, did_run)| (As::from_artifact(t), did_run))
.map_err(|e| e.to_string())
})
.shared();
let future_clone = future.clone();
@ -89,15 +94,15 @@ impl<L: 'static, B: 'static, SR: 'static, Rs: Hash + Eq + 'static, As: 'static>
// Step back to give the initial caller time to handle the error before unwrapping
sleep(Duration::from_millis(0)).await;
}
result.map(|(_, t, did_run)| (t, did_run)).unwrap()
result.unwrap()
}) as Pin<Box<dyn Future<Output = (As, bool)>>>)
.shared(),
);
drop(resources);
let result = future.await;
result.map_err(|(logger, e)| (logger, e.into()))
result.map_err(|e| e.into())
};
result.map(|(logger, t, did_run)| (logger, t.into_artifact(), did_run))
result.map(|(t, did_run)| (t.into_artifact(), did_run))
}
}
@ -139,23 +144,28 @@ impl<
R::Artifact: Clone,
RegularSetupCore<SR, L, B>: SetupCore<R, Setup<SR, L, B, Rs, As>>,
{
let result = self.1.add(resource, force_run).await;
match result {
Ok((logger, t, did_run)) => {
if self
.0
.put(logger.release().into_iter().filter(|e| e.0 <= 3))
== 0
{
self.0.write(3, ".");
let recorder = Recorder::default();
let drain = recorder.clone();
let log = Rc::new(slog::Logger::root(
drain,
o!("resource" => format!("{:?}", resource)),
));
let result = self.1.add(&log, resource, force_run).await;
match &result {
Ok((_, did_run)) => {
if *did_run {
let log = recorder.to_string(slog::Level::Info);
if !log.is_empty() {
self.0.writeln(3, log);
return result;
}
}
Ok((t, did_run))
}
Err((logger, e)) => {
self.0.put(logger.release());
Err(e)
self.0.write(3, ".");
}
Err(_) => self.0.writeln(2, recorder.to_string(slog::Level::Trace)),
}
result
}
pub async fn add<R: AddableResource>(&self, resource: R) -> AddResult<R>
where
@ -168,7 +178,7 @@ impl<
self.add_force(resource, false).await
}
pub async fn run_symbol<S: Runnable>(
pub async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: S,
force: bool,
@ -176,7 +186,23 @@ impl<
where
RegularSetupCore<SR, L, B>: SymbolRunner,
{
symbol.run(&(self.1).0.core, &self.0, force).await
let recorder = Recorder::default();
let drain = recorder.clone();
let log = Rc::new(slog::Logger::root(
drain,
o!("symbol" => format!("{:?}", symbol)),
));
let result = (self.1).0.core.run_symbol(&symbol, &log, force).await;
self.0.write(
3,
recorder.to_string(if result.is_ok() {
slog::Level::Info
} else {
slog::Level::Trace
}),
);
result
}
}
@ -184,12 +210,13 @@ impl<
mod test {
use super::SymbolRunner;
use crate::async_utils::run;
use crate::loggers::{Logger, StoringLogger};
use crate::loggers::StoringLogger;
use crate::resources::{FromArtifact, FromResource, Resource};
use crate::symbols::Symbol;
use crate::to_artifact::ToArtifact;
use crate::{ImplementationBuilder, ResourceLocator, Setup};
use async_trait::async_trait;
use slog::Logger;
use std::cell::RefCell;
use std::error::Error;
use std::fmt::Debug;
@ -201,10 +228,10 @@ mod test {
#[async_trait(?Send)]
impl SymbolRunner for TestSymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
_logger: &L,
_logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
let run = force || !symbol.target_reached().await?;

73
src/setup/symbol_runner.rs

@ -1,7 +1,8 @@
use crate::async_utils::sleep;
use crate::loggers::Logger;
use crate::symbols::Symbol;
use async_trait::async_trait;
use slog::Logger;
use slog::{debug, info, trace};
use std::error::Error;
use std::fmt;
use std::fmt::Debug;
@ -9,10 +10,10 @@ use std::time::Duration;
#[async_trait(?Send)]
pub trait SymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>>;
}
@ -37,18 +38,19 @@ impl InitializingSymbolRunner {
Self
}
async fn exec_symbol<S: Symbol + Debug, L: Logger>(
async fn exec_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
) -> Result<(), Box<dyn Error>> {
logger.info(format!("Executing {:?}", symbol));
info!(logger, "Executing {:?}", symbol);
symbol.execute().await?;
let target_reached = symbol.target_reached().await?;
logger.trace(format!(
trace!(
logger,
"Symbol reports target_reached: {:?} (should be true)",
target_reached
));
);
if target_reached {
Ok(())
} else {
@ -59,25 +61,26 @@ impl InitializingSymbolRunner {
#[async_trait(?Send)]
impl SymbolRunner for InitializingSymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
let executed = if force {
logger.debug("Forcing symbol execution");
debug!(logger, "Forcing symbol execution");
self.exec_symbol(symbol, logger).await?;
true
} else {
let target_reached = symbol.target_reached().await?;
if target_reached {
logger.debug(format!("{:?} already reached", symbol));
debug!(logger, "{:?} already reached", symbol);
} else {
logger.trace(format!(
trace!(
logger,
"Symbol reports target_reached: {:?}",
target_reached
));
);
self.exec_symbol(symbol, logger).await?;
}
!target_reached
@ -106,10 +109,10 @@ where
clippy::cast_possible_truncation,
clippy::cast_precision_loss
)]
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
sleep(Duration::from_millis(
@ -139,23 +142,23 @@ impl DrySymbolRunner {
#[async_trait(?Send)]
impl SymbolRunner for DrySymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
let would_execute = if force {
logger.info(format!("Would force-execute {:?}", symbol));
info!(logger, "Would force-execute {:?}", symbol);
true
} else {
let target_reached = symbol.target_reached().await?;
logger.debug(format!(
"Symbol reports target_reached: {:?}",
target_reached
));
debug!(
logger,
"Symbol reports target_reached: {:?}", target_reached
);
if !target_reached {
logger.info(format!("Would execute {:?}", symbol));
info!(logger, "Would execute {:?}", symbol);
}
!target_reached
};
@ -178,18 +181,18 @@ impl<R> SymbolRunner for ReportingSymbolRunner<R>
where
R: SymbolRunner,
{
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
symbol: &S,
logger: &L,
logger: &Logger,
force: bool,
) -> Result<bool, Box<dyn Error>> {
logger.debug(format!("Running symbol {:?}", symbol));
debug!(logger, "Running symbol {:?}", symbol);
let res = self.0.run_symbol(symbol, logger, force).await;
if let Err(ref e) = res {
logger.info(format!("Failed on {:?} with {}, aborting.", symbol, e));
info!(logger, "Failed on {:?} with {}, aborting.", symbol, e);
} else {
logger.debug(format!("Successfully finished {:?}", symbol));
debug!(logger, "Successfully finished {:?}", symbol);
}
res
}
@ -200,9 +203,9 @@ mod test {
use super::{DrySymbolRunner, InitializingSymbolRunner, ReportingSymbolRunner, SymbolRunner};
use crate::async_utils::sleep;
use crate::async_utils::{run, try_join};
use crate::loggers::StoringLogger;
use crate::symbols::Symbol;
use async_trait::async_trait;
use slog::{o, Discard, Logger};
use std::cell::RefCell;
use std::error::Error;
use std::fmt;
@ -263,7 +266,7 @@ mod test {
}
fn run_symbol<S: Symbol + Debug>(s: S) -> Result<bool, Box<dyn Error>> {
run(InitializingSymbolRunner::new().run_symbol(&s, &StoringLogger::new(), false))
run(InitializingSymbolRunner::new().run_symbol(&s, &Logger::root(Discard, o!()), false))
}
#[test]
@ -316,8 +319,8 @@ mod test {
let s1 = SleeperSymbol;
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
let l1 = StoringLogger::new();
let l2 = StoringLogger::new();
let l1 = Logger::root(Discard, o!());
let l2 = Logger::root(Discard, o!());
let runner1 = InitializingSymbolRunner::new();
let result = try_join!(
runner1.run_symbol(&s1, &l1, false),
@ -327,8 +330,6 @@ mod test {
assert_eq!(result, (false, true));
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
let l1 = StoringLogger::new();
let l2 = StoringLogger::new();
let runner2 = DrySymbolRunner::new();
let result = try_join!(
runner2.run_symbol(&s1, &l1, false),
@ -338,8 +339,6 @@ mod test {
assert_eq!(result, (false, true));
let s2 = DummySymbol::new(vec![Ok(false), Ok(true)], vec![Ok(())]);
let l1 = StoringLogger::new();
let l2 = StoringLogger::new();
let runner3 = ReportingSymbolRunner::new(runner1);
let result = try_join!(
runner3.run_symbol(&s1, &l1, false),

79
src/setup/util.rs

@ -1,12 +1,85 @@
use crate::loggers::StoringLogger;
use crate::resources::Resource;
use crate::to_artifact::ToArtifact;
use slog::Drain;
use slog::{OwnedKVList, Record};
use slog_async::AsyncRecord;
use std::cell::RefCell;
use std::error::Error;
use std::fmt::Debug;
use std::io::{self, Write};
use std::rc::Rc;
use std::sync::{Arc, Mutex};
pub trait AddableResource: 'static + Resource + Debug {}
impl<R> AddableResource for R where R: 'static + Resource + Debug {}
pub type AddResult<R> = Result<(<R as ToArtifact>::Artifact, bool), Box<dyn Error>>;
pub type InternalAddResult<R> =
Result<(StoringLogger, <R as ToArtifact>::Artifact, bool), (StoringLogger, Box<dyn Error>)>;
pub type InternalAddResult<R> = Result<(<R as ToArtifact>::Artifact, bool), Box<dyn Error>>;
// From https://users.rust-lang.org/t/how-to-send-a-writer-into-a-thread/4965/10
#[derive(Clone)]
struct Output<W>(Rc<RefCell<W>>);
impl<W: Write> Output<W> {
pub fn new(w: W) -> Self {
Self(Rc::new(RefCell::new(w)))
}
}
impl<W: Write> Write for Output<W> {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.0.borrow_mut().write(buf)
}
fn flush(&mut self) -> io::Result<()> {
self.0.borrow_mut().flush()
}
}
#[derive(Clone, Default)]
pub struct Recorder(Arc<Mutex<Vec<AsyncRecord>>>);
impl Drain for Recorder {
type Ok = ();
type Err = slog::Never;
fn log(&self, record: &Record<'_>, logger_values: &OwnedKVList) -> Result<Self::Ok, Self::Err> {
self
.0
.lock()
.unwrap()
.push(AsyncRecord::from(record, logger_values));
Ok(())
}
}
impl Recorder {
pub fn to_string(&self, filter_level: slog::Level) -> String {
let output = Output::new(vec![]);
{
let decorator = slog_term::PlainDecorator::new(output.clone());
let drain = slog_term::CompactFormat::new(decorator).build();
for record in &*self.0.lock().unwrap() {
record.as_record_values(|record, kv| {
if record.level() <= filter_level {
drain.log(record, kv).unwrap();
}
});
}
}
String::from_utf8(Rc::try_unwrap(output.0).unwrap().into_inner())
.expect("Record output should be valid UTF-8")
}
}
#[cfg(test)]
mod test {
use super::Recorder;
use slog::Level;
#[test]
fn records_no_output() {
let recorder = Recorder::default();
assert_eq!(recorder.to_string(Level::Trace), "");
}
}

7
tests/setup.rs

@ -1,10 +1,11 @@
use async_trait::async_trait;
use schematics::async_utils::{run, sleep};
use schematics::loggers::{Logger, StoringLogger};
use schematics::loggers::StoringLogger;
use schematics::resources::{AcmeUser, Cert, Csr, GitCheckout};
use schematics::symbols::Symbol;
use schematics::Setup;
use schematics::SymbolRunner;
use slog::Logger as SlogLogger;
use std::cell::RefCell;
use std::error::Error;
use std::fmt::Debug;
@ -18,10 +19,10 @@ struct TestSymbolRunner {
#[async_trait(?Send)]
impl SymbolRunner for TestSymbolRunner {
async fn run_symbol<S: Symbol + Debug, L: Logger>(
async fn run_symbol<S: Symbol + Debug>(
&self,
_symbol: &S,
_logger: &L,
_logger: &SlogLogger,
_force: bool,
) -> Result<bool, Box<dyn Error>> {
*self.count.borrow_mut() += 1;

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