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use crate::runtime::{
job::{
task::{action::BUILTIN_ACTIONS, log_monitor::LogMonitor, process::Process, Task},
Job,
},
profile::{deserialize, Profile},
Runtime,
};
use anyhow::{ensure, Context, Error, Result};
use log::debug;
use std::{collections::HashMap, env::var, path::Path};
pub struct RuntimeBuilder;
impl RuntimeBuilder {
pub fn from_profile_and_job_names(profile: Profile, job_names: &[String]) -> Result<Runtime> {
debug!("Building runtime object from profile data");
debug!("Building log_monitor_map");
let log_monitor_map = Self::build_log_monitor_map(profile.log_monitors);
ensure!(
log_monitor_map.len()
<= var("ARPX_LOG_MONITORS_MAX")
.unwrap_or_else(|_| "200".to_owned())
.parse::<usize>()
.unwrap_or(200),
"Too many log_monitors defined in profile"
);
debug!("Building process_map");
let process_map = Self::build_process_map(profile.processes)?;
ensure!(
process_map.len()
<= var("ARPX_PROCESSES_MAX")
.unwrap_or_else(|_| "200".to_owned())
.parse::<usize>()
.unwrap_or(200),
"Too many processes defined in profile"
);
ensure!(
!process_map.is_empty(),
"No valid processes exist in profile"
);
debug!("Building jobs object");
ensure!(!job_names.is_empty(), "No jobs requested for runtime");
let jobs = job_names
.iter()
.map(|job_name| {
let job = profile.jobs
.get(&job_name[..])
.context(format!("Requested job \"{}\" not defined in jobs", job_name))?;
return Ok(Job::new(
job_name.into(),
job.tasks
.iter()
.enumerate()
.map(|(i, task)| {
let task_index = i + 1;
ensure!(
task.processes.len()
<= var("ARPX_CONCURRENT_PROCESSES_MAX")
.unwrap_or_else(|_| "500".to_owned())
.parse::<usize>()
.unwrap_or(500),
"Job \"{}\", task {}: too many processes",
job_name,
task_index
);
return Ok(Task::new(
task.processes
.iter()
.map(|process| {
let default_process =
process_map.get(&process.name[..]).context(format!(
"Job \"{}\", task {}: process \"{}\" not defined in processes",
job_name,
task_index,
process.name
))?;
ensure!(
task.processes.len() + process.log_monitors.len()
<= var("ARPX_THREAD_MAX")
.unwrap_or_else(|_| "500".to_owned())
.parse::<usize>()
.unwrap_or(500),
"Job \"{}\", task {}: too many threads (reduce processes or log_monitors on task)",
job_name,
task_index
);
for log_monitor in &process.log_monitors {
ensure!(
log_monitor_map.contains_key(log_monitor),
"Job \"{}\", task {}: log monitor \"{}\" not defined in log_monitors",
job_name,
task_index,
log_monitor
);
}
return Ok(Process::new(default_process.name.clone())
.command(default_process.command.clone())
.cwd(default_process.cwd.clone())
.log_monitors(process.log_monitors.clone())
.onfail(match &process.onfail {
Some(onfail) => {
ensure!(
process_map.contains_key(onfail)
|| BUILTIN_ACTIONS.contains(&&onfail[..]),
"Job \"{}\", task {}: invalid onfail \"{}\" provided",
job_name,
task_index,
onfail
);
Some(onfail.into())
}
None => default_process.onfail.clone(),
})
.onsucceed(match &process.onsucceed {
Some(onsucceed) => {
ensure!(
process_map.contains_key(onsucceed)
|| BUILTIN_ACTIONS.contains(&&onsucceed[..]),
"Job \"{}\", task {}: invalid onsucceed \"{}\" provided",
job_name,
task_index,
onsucceed
);
Some(onsucceed.into())
}
None => default_process.onsucceed.clone(),
}))
})
.collect::<Result<Vec<Process>, Error>>()?,
))
})
.collect::<Result<Vec<Task>, Error>>()?,
))
})
.collect::<Result<Vec<Job>, Error>>()?;
debug!("Building runtime object");
let runtime = Runtime::new()
.jobs(jobs)
.log_monitor_map(log_monitor_map)
.process_map(process_map);
debug!("Runtime object built");
Ok(runtime)
}
pub fn build_log_monitor_map(
log_monitors: HashMap<String, deserialize::log_monitors::LogMonitor>,
) -> HashMap<String, LogMonitor> {
log_monitors
.into_iter()
.map(|(name, v)| {
let log_monitor = LogMonitor::new(name.clone())
.buffer_size(v.buffer_size)
.ontrigger(v.ontrigger)
.test(v.test);
(name, log_monitor)
})
.collect()
}
pub fn build_process_map(
processes: HashMap<String, deserialize::processes::Process>,
) -> Result<HashMap<String, Process>> {
processes
.into_iter()
.map(|(name, v)| {
ensure!(
Path::new(&v.cwd).is_dir(),
"Configured current working directory \"{}\" on process \"{}\" is not a valid directory",
v.cwd,
name
);
let process = Process::new(name.clone())
.command(v.command)
.cwd(v.cwd)
.log_monitors(v.log_monitors)
.onfail(match &v.onfail[..] {
"" => None,
_ => Some(v.onfail),
})
.onsucceed(match &v.onsucceed[..] {
"" => None,
_ => Some(v.onsucceed),
});
Ok((name, process))
})
.collect::<Result<HashMap<String, Process>, Error>>()
}
}