More interesting config interpreter

This commit is contained in:
Tony Garnock-Jones 2021-10-06 22:03:12 +02:00
parent f640111f20
commit 7b6a2dab76
3 changed files with 452 additions and 138 deletions

View File

@ -104,7 +104,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
syndicate::entity(Arc::clone(&root_ds)).on_asserted(gatekeeper::handle_resolve)));
dependencies::boot(t, Arc::clone(&server_config_ds));
services::config_watcher::on_demand(t, Arc::clone(&server_config_ds));
services::config_watcher::on_demand(t, Arc::clone(&server_config_ds), Arc::clone(&root_ds));
services::daemon::on_demand(t, Arc::clone(&server_config_ds), Arc::clone(&root_ds));
services::debt_reporter::on_demand(t, Arc::clone(&server_config_ds));
services::milestone::on_demand(t, Arc::clone(&server_config_ds));

View File

@ -13,7 +13,11 @@ use std::thread;
use std::time::Duration;
use syndicate::actor::*;
use syndicate::error::Error;
use syndicate::during;
use syndicate::enclose;
use syndicate::schemas::dataspace;
use syndicate::schemas::dataspace_patterns as P;
use syndicate::supervise::{Supervisor, SupervisorConfiguration};
use syndicate::value::BinarySource;
use syndicate::value::IOBinarySource;
@ -21,8 +25,11 @@ use syndicate::value::Map;
use syndicate::value::NestedValue;
use syndicate::value::NoEmbeddedDomainCodec;
use syndicate::value::Reader;
use syndicate::value::Record;
use syndicate::value::Set;
use syndicate::value::Value;
use syndicate::value::ViaCodec;
use syndicate::value::signed_integer::SignedInteger;
use crate::language::language;
use crate::lifecycle;
@ -30,51 +37,342 @@ use crate::schemas::internal_services;
use syndicate_macros::during;
pub fn on_demand(t: &mut Activation, ds: Arc<Cap>) {
pub fn on_demand(t: &mut Activation, config_ds: Arc<Cap>, root_ds: Arc<Cap>) {
t.spawn(syndicate::name!("on_demand", module = module_path!()), move |t| {
Ok(during!(t, ds, language(), <run-service $spec: internal_services::ConfigWatcher>, |t| {
Supervisor::start(
t,
syndicate::name!(parent: None, "config", spec = ?spec),
SupervisorConfiguration::default(),
enclose!((ds, spec) lifecycle::updater(ds, spec)),
enclose!((ds) move |t| enclose!((ds, spec) run(t, ds, spec))))
}))
Ok(during!(
t, config_ds, language(), <run-service $spec: internal_services::ConfigWatcher>, |t| {
Supervisor::start(
t,
syndicate::name!(parent: None, "config", spec = ?spec),
SupervisorConfiguration::default(),
enclose!((config_ds, spec) lifecycle::updater(config_ds, spec)),
enclose!((config_ds, root_ds) move |t|
enclose!((config_ds, root_ds, spec) run(t, config_ds, root_ds, spec))))
}))
});
}
fn convert_notify_error(e: notify::Error) -> syndicate::error::Error {
fn convert_notify_error(e: notify::Error) -> Error {
syndicate::error::error(&format!("Notify error: {:?}", e), AnyValue::new(false))
}
fn assertions_at_existing_file(t: &mut Activation, ds: &Arc<Cap>, path: &PathBuf) -> io::Result<Set<Handle>> {
let mut handles = Set::new();
let fh = fs::File::open(path)?;
let mut src = IOBinarySource::new(fh);
let mut r = src.text::<AnyValue, _>(ViaCodec::new(NoEmbeddedDomainCodec));
let mut values = Vec::new();
while let Some(value) = Reader::<AnyValue>::next(&mut r, true)? {
values.push(value);
}
for value in values.into_iter() {
if let Some(handle) = ds.assert(t, &(), &value) {
handles.insert(handle);
}
}
Ok(handles)
#[derive(Debug, Clone)]
enum Instruction {
Assert {
target: String,
template: AnyValue,
},
React {
target: String,
pattern_template: AnyValue,
body: Box<Instruction>,
},
Sequence {
instructions: Vec<Instruction>,
},
}
fn assertions_at_path(t: &mut Activation, ds: &Arc<Cap>, path: &PathBuf) -> io::Result<Set<Handle>> {
#[derive(Debug)]
enum Symbolic {
Reference(String),
Binder(String),
Discard,
Literal(String),
}
fn analyze(s: &str) -> Symbolic {
if s == "_" {
Symbolic::Discard
} else if s.starts_with("?") {
Symbolic::Binder(s[1..].to_owned())
} else if s.starts_with("$") {
Symbolic::Reference(s[1..].to_owned())
} else if s.starts_with("=") {
Symbolic::Literal(s[1..].to_owned())
} else {
Symbolic::Literal(s.to_owned())
}
}
fn bad_instruction(message: String) -> io::Error {
io::Error::new(io::ErrorKind::InvalidData, message)
}
fn discard() -> P::Pattern {
P::Pattern::DDiscard(Box::new(P::DDiscard))
}
#[derive(Debug)]
struct PatternInstantiator<'e> {
env: &'e Env,
binding_names: Vec<String>,
}
#[derive(Debug, Clone)]
struct Env(Map<String, AnyValue>);
impl<'e> PatternInstantiator<'e> {
fn instantiate_pattern(&mut self, template: &AnyValue) -> io::Result<P::Pattern> {
Ok(match template.value() {
Value::Boolean(_) |
Value::Float(_) |
Value::Double(_) |
Value::SignedInteger(_) |
Value::String(_) |
Value::ByteString(_) |
Value::Embedded(_) =>
P::Pattern::DLit(Box::new(P::DLit { value: template.clone() })),
Value::Symbol(s) => match analyze(s) {
Symbolic::Discard => discard(),
Symbolic::Binder(s) => {
self.binding_names.push(s);
P::Pattern::DBind(Box::new(P::DBind { pattern: discard() }))
}
Symbolic::Reference(s) =>
P::Pattern::DLit(Box::new(P::DLit {
value: self.env.0.get(&s)
.ok_or_else(|| bad_instruction(
format!("Undefined pattern-template variable: {:?}", template)))?
.clone(),
})),
Symbolic::Literal(s) =>
P::Pattern::DLit(Box::new(P::DLit {
value: Value::Symbol(s).wrap(),
})),
},
Value::Record(r) =>
P::Pattern::DCompound(Box::new(P::DCompound::Rec {
ctor: Box::new(P::CRec {
label: r.label().clone(),
arity: r.fields().len().into(),
}),
members: r.fields().iter().enumerate()
.map(|(i, p)| Ok((i.into(), self.instantiate_pattern(p)?)))
.filter(|e| discard() != e.as_ref().unwrap().1)
.collect::<io::Result<Map<SignedInteger, P::Pattern>>>()?,
})),
Value::Sequence(v) =>
P::Pattern::DCompound(Box::new(P::DCompound::Arr {
ctor: Box::new(P::CArr {
arity: v.len().into(),
}),
members: v.iter().enumerate()
.map(|(i, p)| Ok((i.into(), self.instantiate_pattern(p)?)))
.filter(|e| discard() != e.as_ref().unwrap().1)
.collect::<io::Result<Map<SignedInteger, P::Pattern>>>()?,
})),
Value::Set(_) =>
Err(bad_instruction(format!("Sets not permitted in patterns: {:?}", template)))?,
Value::Dictionary(v) =>
P::Pattern::DCompound(Box::new(P::DCompound::Dict {
ctor: Box::new(P::CDict),
members: v.iter()
.map(|(a, b)| Ok((a.clone(), self.instantiate_pattern(b)?)))
.collect::<io::Result<Map<AnyValue, P::Pattern>>>()?,
})),
})
}
}
impl Env {
fn lookup_target(&self, target: &String) -> io::Result<Arc<Cap>> {
Ok(self.0.get(target)
.ok_or_else(|| bad_instruction(format!("Undefined target variable: {:?}", target)))?
.value().to_embedded()?.clone())
}
fn instantiate_value(&self, template: &AnyValue) -> io::Result<AnyValue> {
Ok(match template.value() {
Value::Boolean(_) |
Value::Float(_) |
Value::Double(_) |
Value::SignedInteger(_) |
Value::String(_) |
Value::ByteString(_) |
Value::Embedded(_) =>
template.clone(),
Value::Symbol(s) => match analyze(s) {
Symbolic::Binder(_) | Symbolic::Discard =>
Err(bad_instruction(
format!("Invalid use of wildcard in template: {:?}", template)))?,
Symbolic::Reference(s) =>
self.0.get(&s).ok_or_else(|| bad_instruction(
format!("Undefined template variable: {:?}", template)))?.clone(),
Symbolic::Literal(s) =>
Value::Symbol(s).wrap(),
},
Value::Record(r) =>
Value::Record(Record(r.fields_vec().iter().map(|a| self.instantiate_value(a))
.collect::<Result<Vec<_>, _>>()?)).wrap(),
Value::Sequence(v) =>
Value::Sequence(v.iter().map(|a| self.instantiate_value(a))
.collect::<Result<Vec<_>, _>>()?).wrap(),
Value::Set(v) =>
Value::Set(v.iter().map(|a| self.instantiate_value(a))
.collect::<Result<Set<_>, _>>()?).wrap(),
Value::Dictionary(v) =>
Value::Dictionary(v.iter().map(|(a,b)| Ok((self.instantiate_value(a)?,
self.instantiate_value(b)?)))
.collect::<io::Result<Map<_, _>>>()?).wrap(),
})
}
}
impl Instruction {
fn eval(&self, t: &mut Activation, env: &Env) -> io::Result<()> {
match self {
Instruction::Assert { target, template } => {
env.lookup_target(target)?.assert(t, &(), &env.instantiate_value(template)?);
}
Instruction::React { target, pattern_template, body } => {
let mut inst = PatternInstantiator {
env,
binding_names: Vec::new(),
};
let pattern = inst.instantiate_pattern(pattern_template)?;
let binding_names = inst.binding_names;
let observer = during::entity(env.clone())
.on_asserted_facet(enclose!(
(binding_names, body) move |env, t, captures: AnyValue| {
if let Some(captures) = captures.value_owned().into_sequence() {
let mut env = env.clone();
for (k, v) in binding_names.iter().zip(captures) {
env.0.insert(k.clone(), v);
}
body.eval(t, &env)?;
}
Ok(())
}))
.create_cap(t);
env.lookup_target(target)?.assert(t, language(), &dataspace::Observe {
pattern,
observer,
});
}
Instruction::Sequence { instructions } => {
for i in instructions {
i.eval(t, env)?;
}
}
}
Ok(())
}
fn parse<'t>(target: &str, tokens: &'t [AnyValue]) -> io::Result<Option<(Instruction, &'t [AnyValue])>> {
if tokens.len() == 0 {
return Ok(None);
}
if tokens[0].value().is_record() || tokens[0].value().is_dictionary() {
return Ok(Some((Instruction::Assert {
target: target.to_owned(),
template: tokens[0].clone(),
}, &tokens[1..])));
}
if let Some(tokens) = tokens[0].value().as_sequence() {
return Ok(Some((Instruction::Sequence {
instructions: Instruction::parse_all(target, tokens)?,
}, &tokens[1..])));
}
if let Some(s) = tokens[0].value().as_symbol() {
match analyze(s) {
Symbolic::Binder(s) =>
if s.len() == 0 {
if tokens.len() == 1 {
Err(bad_instruction(format!("Missing pattern and instruction in react")))?;
} else {
let pattern_template = tokens[1].clone();
match Instruction::parse(target, &tokens[2..])? {
None =>
Err(bad_instruction(format!("Missing instruction in react with pattern {:?}", tokens[1])))?,
Some((body, tokens)) =>
return Ok(Some((Instruction::React {
target: target.to_owned(),
pattern_template,
body: Box::new(body),
}, tokens))),
}
}
} else {
Err(bad_instruction(format!("Invalid use of pattern binder in target: {:?}", tokens[0])))?;
},
Symbolic::Discard =>
Err(bad_instruction(format!("Invalid use of discard in target: {:?}", tokens[0])))?,
Symbolic::Reference(s) =>
if tokens.len() == 1 {
Err(bad_instruction(format!("Missing instruction after retarget: {:?}", tokens[0])))?;
} else if tokens[1].value().is_symbol() {
Err(bad_instruction(format!("Two retargets in a row: {:?} {:?}", tokens[0], tokens[1])))?;
} else {
return Instruction::parse(&s, &tokens[1..]);
},
Symbolic::Literal(_) =>
/* fall through */ (),
}
}
Err(bad_instruction(format!("Invalid token: {:?}", tokens[0])))?
}
fn parse_all(target: &str, mut tokens: &[AnyValue]) -> io::Result<Vec<Instruction>> {
let mut instructions = Vec::new();
while let Some((i, more)) = Instruction::parse(target, tokens)? {
instructions.push(i);
tokens = more;
}
Ok(instructions)
}
}
fn process_existing_file(
t: &mut Activation,
config_ds: &Arc<Cap>,
root_ds: &Arc<Cap>,
path: &PathBuf,
) -> io::Result<Option<FacetId>> {
let tokens: Vec<AnyValue> = IOBinarySource::new(fs::File::open(path)?)
.text::<AnyValue, _>(ViaCodec::new(NoEmbeddedDomainCodec))
.configured(true)
.collect::<Result<Vec<_>, _>>()?;
let instructions = Instruction::parse_all("config", &tokens)?;
if instructions.is_empty() {
Ok(None)
} else {
let mut env = Map::new();
env.insert("config".to_owned(), AnyValue::domain(config_ds.clone()));
env.insert("root".to_owned(), AnyValue::domain(root_ds.clone()));
match t.facet(|t| Ok(Instruction::Sequence { instructions }.eval(t, &Env(env))?)) {
Ok(facet_id) => Ok(Some(facet_id)),
Err(error) => {
tracing::error!(?path, ?error);
Ok(None)
}
}
}
}
fn process_path(
t: &mut Activation,
config_ds: &Arc<Cap>,
root_ds: &Arc<Cap>,
path: &PathBuf,
) -> io::Result<Option<FacetId>> {
match fs::metadata(path) {
Ok(md) => if md.is_file() {
assertions_at_existing_file(t, ds, path)
process_existing_file(t, config_ds, root_ds, path)
} else {
Ok(Set::new())
Ok(None)
}
Err(e) => if e.kind() != io::ErrorKind::NotFound {
Err(e)?
} else {
Ok(Set::new())
Ok(None)
}
}
}
@ -88,18 +386,19 @@ fn is_hidden(path: &PathBuf) -> bool {
fn scan_file(
t: &mut Activation,
path_state: &mut Map<PathBuf, Set<Handle>>,
ds: &Arc<Cap>,
path_state: &mut Map<PathBuf, FacetId>,
config_ds: &Arc<Cap>,
root_ds: &Arc<Cap>,
path: &PathBuf,
) -> bool {
if is_hidden(path) {
return true;
}
tracing::info!("scan_file: {:?}", path);
match assertions_at_path(t, ds, path) {
Ok(new_handles) => {
if !new_handles.is_empty() {
path_state.insert(path.clone(), new_handles);
match process_path(t, config_ds, root_ds, path) {
Ok(maybe_facet_id) => {
if let Some(facet_id) = maybe_facet_id {
path_state.insert(path.clone(), facet_id);
}
true
},
@ -112,8 +411,9 @@ fn scan_file(
fn initial_scan(
t: &mut Activation,
path_state: &mut Map<PathBuf, Set<Handle>>,
ds: &Arc<Cap>,
path_state: &mut Map<PathBuf, FacetId>,
config_ds: &Arc<Cap>,
root_ds: &Arc<Cap>,
path: &PathBuf,
) {
if is_hidden(path) {
@ -121,12 +421,12 @@ fn initial_scan(
}
match fs::metadata(path) {
Ok(md) => if md.is_file() {
scan_file(t, path_state, ds, path);
scan_file(t, path_state, config_ds, root_ds, path);
} else {
match fs::read_dir(path) {
Ok(entries) => for er in entries {
match er {
Ok(e) => initial_scan(t, path_state, ds, &e.path()),
Ok(e) => initial_scan(t, path_state, config_ds, root_ds, &e.path()),
Err(e) => tracing::warn!(
"initial_scan: transient during scan of {:?}: {:?}", path, e),
}
@ -138,7 +438,12 @@ fn initial_scan(
}
}
fn run(t: &mut Activation, ds: Arc<Cap>, spec: internal_services::ConfigWatcher) -> ActorResult {
fn run(
t: &mut Activation,
config_ds: Arc<Cap>,
root_ds: Arc<Cap>,
spec: internal_services::ConfigWatcher,
) -> ActorResult {
let path = fs::canonicalize(spec.path.clone())?;
tracing::info!("watching {:?}", &path);
@ -149,13 +454,13 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: internal_services::ConfigWatcher)
let facet = t.facet.clone();
thread::spawn(move || {
let mut path_state: Map<PathBuf, Set<Handle>> = Map::new();
let mut path_state: Map<PathBuf, FacetId> = Map::new();
{
let root_path = path.clone().into();
facet.activate(Account::new(syndicate::name!("initial_scan")), |t| {
initial_scan(t, &mut path_state, &ds, &root_path);
ds.assert(t, language(), &lifecycle::ready(&spec));
initial_scan(t, &mut path_state, &config_ds, &root_ds, &root_path);
config_ds.assert(t, language(), &lifecycle::ready(&spec));
Ok(())
}).unwrap();
tracing::trace!("initial_scan complete");
@ -163,20 +468,20 @@ fn run(t: &mut Activation, ds: Arc<Cap>, spec: internal_services::ConfigWatcher)
let mut rescan = |paths: Vec<PathBuf>| {
facet.activate(Account::new(syndicate::name!("rescan")), |t| {
let mut to_retract = Set::new();
let mut to_stop = Vec::new();
for path in paths.into_iter() {
let maybe_handles = path_state.remove(&path);
let new_content_ok = scan_file(t, &mut path_state, &ds, &path);
if let Some(old_handles) = maybe_handles {
let maybe_facet_id = path_state.remove(&path);
let new_content_ok = scan_file(t, &mut path_state, &config_ds, &root_ds, &path);
if let Some(old_facet_id) = maybe_facet_id {
if new_content_ok {
to_retract.extend(old_handles.into_iter());
to_stop.push(old_facet_id);
} else {
path_state.insert(path, old_handles);
path_state.insert(path, old_facet_id);
}
}
}
for h in to_retract.into_iter() {
t.retract(h);
for facet_id in to_stop.into_iter() {
t.stop_facet(facet_id)?;
}
Ok(())
}).unwrap()

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@ -4,6 +4,7 @@ use std::sync::Arc;
use syndicate::actor::*;
use syndicate::enclose;
use syndicate::schemas::service;
use syndicate::supervise::{Supervisor, SupervisorConfiguration};
use syndicate::value::NestedValue;
@ -131,6 +132,7 @@ impl CommandLine {
}
struct DaemonInstance {
config_ds: Arc<Cap>,
log_ds: Arc<Cap>,
service: AnyValue,
name: tracing::Span,
@ -257,8 +259,8 @@ impl DaemonInstance {
}
match self.protocol {
Protocol::TextSyndicate => relay_facet(t, &mut child, true)?,
Protocol::BinarySyndicate => relay_facet(t, &mut child, false)?,
Protocol::TextSyndicate => self.relay_facet(t, &mut child, true)?,
Protocol::BinarySyndicate => self.relay_facet(t, &mut child, false)?,
Protocol::None => {
if let Some(r) = child.stdout.take() {
self.log(t, facet.clone(), pid, r, "stdout");
@ -286,25 +288,29 @@ impl DaemonInstance {
})?;
Ok(())
}
}
fn relay_facet(t: &mut Activation, child: &mut process::Child, output_text: bool) -> ActorResult {
use syndicate::relay;
use syndicate::schemas::sturdy;
fn relay_facet(&self, t: &mut Activation, child: &mut process::Child, output_text: bool) -> ActorResult {
use syndicate::relay;
use syndicate::schemas::sturdy;
let to_child = child.stdin.take().expect("pipe to child");
let from_child = child.stdout.take().expect("pipe from child");
let to_child = child.stdin.take().expect("pipe to child");
let from_child = child.stdout.take().expect("pipe from child");
let i = relay::Input::Bytes(Box::pin(from_child));
let o = relay::Output::Bytes(Box::pin(to_child));
let i = relay::Input::Bytes(Box::pin(from_child));
let o = relay::Output::Bytes(Box::pin(to_child));
t.facet(|t| {
let cap = relay::TunnelRelay::run(t, i, o, None, Some(sturdy::Oid(0.into())), output_text)
.ok_or("initial capability reference unavailable")?;
tracing::info!(?cap);
Ok(())
})?;
Ok(())
t.facet(|t| {
let cap = relay::TunnelRelay::run(t, i, o, None, Some(sturdy::Oid(0.into())), output_text)
.ok_or("initial capability reference unavailable")?;
tracing::info!(?cap);
self.config_ds.assert(t, language(), &service::ServiceObject {
service_name: self.service.clone(),
object: AnyValue::domain(cap),
});
Ok(())
})?;
Ok(())
}
}
fn run(
@ -340,80 +346,83 @@ fn run(
Ok(())
}))?;
enclose!((unready_configs, completed_processes) during!(t, config_ds, language(), <daemon #(service.id) $config>, {
enclose!((spec, root_ds, unready_configs, completed_processes) |t: &mut Activation| {
tracing::debug!(?config, "new config");
counter::adjust(t, &unready_configs, 1);
counter::adjust(t, &total_configs, 1);
enclose!((config_ds, unready_configs, completed_processes)
during!(t, config_ds.clone(), language(), <daemon #(service.id) $config>, {
enclose!((spec, config_ds, root_ds, unready_configs, completed_processes)
|t: &mut Activation| {
tracing::debug!(?config, "new config");
counter::adjust(t, &unready_configs, 1);
counter::adjust(t, &total_configs, 1);
match language().parse::<DaemonProcessSpec>(&config) {
Ok(config) => {
tracing::info!(?config);
let config = config.elaborate();
let facet = t.facet.clone();
t.linked_task(syndicate::name!("subprocess"), async move {
let mut cmd = config.process.build_command().ok_or("Cannot start daemon process")?;
match language().parse::<DaemonProcessSpec>(&config) {
Ok(config) => {
tracing::info!(?config);
let config = config.elaborate();
let facet = t.facet.clone();
t.linked_task(syndicate::name!("subprocess"), async move {
let mut cmd = config.process.build_command().ok_or("Cannot start daemon process")?;
let announce_presumed_readiness = match config.ready_on_start {
ReadyOnStart::Present { ready_on_start } => ready_on_start,
ReadyOnStart::Absent => true,
ReadyOnStart::Invalid { ready_on_start } => {
tracing::error!(?ready_on_start, "Invalid readyOnStart value");
Err("Invalid readyOnStart value")?
}
};
let restart_policy = match config.restart {
RestartField::Present { restart } => *restart,
RestartField::Absent => RestartPolicy::All,
RestartField::Invalid { restart } => {
tracing::error!(?restart, "Invalid restart value");
Err("Invalid restart value")?
}
};
let protocol = match config.protocol {
ProtocolField::Present { protocol } => *protocol,
ProtocolField::Absent => Protocol::None,
ProtocolField::Invalid { protocol } => {
tracing::error!(?protocol, "Invalid protocol value");
Err("Invalid protocol value")?
}
};
let announce_presumed_readiness = match config.ready_on_start {
ReadyOnStart::Present { ready_on_start } => ready_on_start,
ReadyOnStart::Absent => true,
ReadyOnStart::Invalid { ready_on_start } => {
tracing::error!(?ready_on_start, "Invalid readyOnStart value");
Err("Invalid readyOnStart value")?
}
};
let restart_policy = match config.restart {
RestartField::Present { restart } => *restart,
RestartField::Absent => RestartPolicy::All,
RestartField::Invalid { restart } => {
tracing::error!(?restart, "Invalid restart value");
Err("Invalid restart value")?
}
};
let protocol = match config.protocol {
ProtocolField::Present { protocol } => *protocol,
ProtocolField::Absent => Protocol::None,
ProtocolField::Invalid { protocol } => {
tracing::error!(?protocol, "Invalid protocol value");
Err("Invalid protocol value")?
}
};
cmd.stdin(match &protocol {
Protocol::None =>
std::process::Stdio::null(),
Protocol::TextSyndicate | Protocol::BinarySyndicate =>
std::process::Stdio::piped(),
});
cmd.stdout(std::process::Stdio::piped());
cmd.stderr(std::process::Stdio::piped());
cmd.stdin(match &protocol {
Protocol::None =>
std::process::Stdio::null(),
Protocol::TextSyndicate | Protocol::BinarySyndicate =>
std::process::Stdio::piped(),
});
cmd.stdout(std::process::Stdio::piped());
cmd.stderr(std::process::Stdio::piped());
let daemon_instance = DaemonInstance {
log_ds: root_ds,
service: spec,
name: tracing::Span::current(),
cmd,
announce_presumed_readiness,
unready_configs,
completed_processes,
restart_policy,
protocol,
};
let daemon_instance = DaemonInstance {
config_ds,
log_ds: root_ds,
service: spec,
name: tracing::Span::current(),
cmd,
announce_presumed_readiness,
unready_configs,
completed_processes,
restart_policy,
protocol,
};
facet.activate(Account::new(syndicate::name!("instance-startup")), |t| {
daemon_instance.start(t)
})?;
Ok(LinkedTaskTermination::KeepFacet)
});
Ok(())
}
Err(_) => {
tracing::error!(?config, "Invalid Process specification");
return Ok(());
}
}
})
}));
facet.activate(Account::new(syndicate::name!("instance-startup")), |t| {
daemon_instance.start(t)
})?;
Ok(LinkedTaskTermination::KeepFacet)
});
Ok(())
}
Err(_) => {
tracing::error!(?config, "Invalid Process specification");
return Ok(());
}
}
})
}));
tracing::debug!("syncing to ds");
counter::sync_and_adjust(t, &config_ds.underlying, &unready_configs, -1);