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|
use std::collections::HashSet;
use clap::Parser;
use miette::IntoDiagnostic;
use tedge_api::PluginBuilder;
use tedge_core::configuration::TedgeConfiguration;
use tedge_core::TedgeApplication;
use tedge_core::TedgeApplicationCancelSender;
use tedge_lib::measurement::Measurement;
use tracing::debug;
use tracing::error;
use tracing::info;
mod cli;
mod logging;
#[tokio::main]
#[tracing::instrument]
async fn main() -> miette::Result<()> {
#[cfg(feature = "core_debugging")]
{
console_subscriber::init();
}
let args = crate::cli::Cli::parse();
crate::logging::setup_logging(args.verbose, args.debug)?;
info!("Tedge booting...");
debug!("Tedge CLI: {:?}", args);
let config = match args.command {
cli::CliCommand::Run { ref config } => config,
cli::CliCommand::ValidateConfig { ref config } => config,
};
let configuration = tokio::fs::read_to_string(config).await.into_diagnostic()?;
let config: TedgeConfiguration = toml::de::from_str(&configuration).into_diagnostic()?;
info!("Configuration loaded.");
let application = TedgeApplication::builder();
let mut plugin_kinds = HashSet::new();
info!("Building application");
macro_rules! register_plugin {
($app:ident, $cfg:tt, $pluginbuilder:ty, $pbinstance:expr) => {{
cfg_if::cfg_if! {
if #[cfg(feature = $cfg)] {
let kind_name: &'static str = <$pluginbuilder as PluginBuilder<tedge_core::PluginDirectory>>::kind_name();
info!("Registering plugin builder for plugins of type {}", kind_name);
if !plugin_kinds.insert(kind_name) {
miette::bail!("Plugin kind '{}' was already registered, cannot register!", kind_name)
}
$app.with_plugin_builder($pbinstance)?
} else {
tracing::trace!("Not supporting plugins of type {}", std::stringify!($pluginbuilder));
$app
}
}
}}
}
let application = {
cfg_table::cfg_table! {
[not(feature = "mqtt")] => register_plugin!(
application,
"builtin_plugin_log",
plugin_log::LogPluginBuilder<(Measurement,)>,
plugin_log::LogPluginBuilder::<(Measurement,)>::new()
),
[feature = "mqtt"] => register_plugin!(
application,
"builtin_plugin_log",
plugin_log::LogPluginBuilder<(Measurement, plugin_mqtt::IncomingMessage)>,
plugin_log::LogPluginBuilder::<(Measurement, plugin_mqtt::IncomingMessage)>::new()
),
}
};
let application = register_plugin!(
application,
"builtin_plugin_avg",
plugin_avg::AvgPluginBuilder,
plugin_avg::AvgPluginBuilder
);
let application = register_plugin!(
application,
"builtin_plugin_sysstat",
plugin_sysstat::SysStatPluginBuilder,
plugin_sysstat::SysStatPluginBuilder
);
let application = register_plugin!(
application,
"builtin_plugin_inotify",
plugin_inotify::InotifyPluginBuilder,
plugin_inotify::InotifyPluginBuilder
);
let application = register_plugin!(
application,
"builtin_plugin_httpstop",
plugin_httpstop::HttpStopPluginBuilder,
plugin_httpstop::HttpStopPluginBuilder
);
let application = register_plugin!(
application,
"builtin_plugin_measurement_filter",
plugin_measurement_filter::MeasurementFilterPluginBuilder,
plugin_measurement_filter::MeasurementFilterPluginBuilder
);
let application = register_plugin!(
application,
"builtin_plugin_azure_bridge",
plugin_azure_bridge::AzureBridgeBuilder,
plugin_azure_bridge::AzureBridgeBuilder
);
let application = register_plugin!(
application,
"mqtt",
plugin_mqtt::MqttPluginBuilder,
plugin_mqtt::MqttPluginBuilder::new()
);
let application = register_plugin!(
application,
"mqtt",
plugin_mqtt_measurement_bridge::MqttMeasurementBridgePluginBuilder,
plugin_mqtt_measurement_bridge::MqttMeasurementBridgePluginBuilder::new()
);
let application = register_plugin!(
application,
"builtin_plugin_random_measurements",
plugin_random_measurements::RandomMeasurementsPluginBuilder,
plugin_random_measurements::RandomMeasurementsPluginBuilder
);
let application = register_plugin!(
application,
"moneo",
plugin_moneo_mapper::MoneoMapperPluginBuilder,
plugin_moneo_mapper::MoneoMapperPluginBuilder
);
let (cancel_sender, application) = application.with_config(config)?;
info!("Application built");
match args.command {
cli::CliCommand::Run { .. } => {
debug!("Going to run the application");
run(cancel_sender, application).await
}
cli::CliCommand::ValidateConfig { .. } => {
debug!("Only going to validate the configuration");
validate_config(&application).await?;
info!("Configuration validated");
Ok(())
}
}
}
async fn run(
cancel_sender: TedgeApplicationCancelSender,
application: TedgeApplication,
) -> miette::Result<()> {
info!("Booting app now.");
let mut run_fut = Box::pin(application.run());
let kill_app = |fut| -> miette::Result<()> {
error!("Killing application");
drop(fut);
miette::bail!("Application killed")
};
let res = tokio::select! {
res = &mut run_fut => {
res.into_diagnostic()
},
_int = tokio::signal::ctrl_c() => {
if !cancel_sender.is_cancelled() {
info!("Shutting down...");
cancel_sender.cancel_app();
tokio::select! {
res = &mut run_fut => res.into_diagnostic(),
_ = tokio::signal::ctrl_c() => kill_app(run_fut),
}
} else {
kill_app(run_fut)
}
},
};
info!("Bye");
res
}
async fn validate_config(application: &TedgeApplication) -> miette::Result<()> {
let mut any_err = false;
for (plugin_name, res) in application.verify_configurations().await {
match res {
Err(e) => {
error!("Error in Plugin '{}' configuration: {:?}", plugin_name, e);
any_err = true;
}
Ok(_) => {
info!("Plugin '{}' configured correctly", plugin_name);
}
}
}
if any_err {
Err(miette::miette!("Plugin configuration error"))
} else {
Ok(())
}
}
|
