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use failure::{bail, Error};
use getopts::Options;
use kubos_app::*;
use log::info;
use std::thread;
use std::time::Duration;
struct MyApp;
impl AppHandler for MyApp {
fn on_boot(&self, _args: Vec<String>) -> Result<(), Error> {
let monitor_service = ServiceConfig::new("monitor-service");
let telemetry_service = ServiceConfig::new("telemetry-service");
loop {
thread::sleep(Duration::from_secs(3));
info!("OnBoot logic called");
let request = "{memInfo{available}}";
let response = match query(&monitor_service, request, Some(Duration::from_secs(1))) {
Ok(msg) => msg,
Err(err) => {
info!("Monitor service query failed: {}", err);
continue;
}
};
let memory = response.get("memInfo").and_then(|msg| msg.get("available"));
if let Some(mem) = memory {
let request = format!(
r#"
mutation {{
insert(subsystem: "OBC", parameter: "available_mem", value: "{}") {{
success,
errors
}}
}}
"#,
mem
);
match query(&telemetry_service, &request, Some(Duration::from_secs(1))) {
Ok(msg) => {
let success = msg
.get("insert")
.and_then(|data| data.get("success").and_then(|val| val.as_bool()));
if success == Some(true) {
info!("Current memory value saved to database");
} else {
match msg.get("errors") {
Some(errors) => {
info!("Failed to save value to database: {}", errors)
}
None => info!("Failed to save value to database"),
};
}
}
Err(err) => {
info!("Monitor service mutation failed: {}", err);
continue;
}
}
}
}
}
fn on_command(&self, args: Vec<String>) -> Result<(), Error> {
let mut opts = Options::new();
opts.optflagopt(
"r",
"run",
"Run level which should be executed",
"RUN_LEVEL",
);
opts.optflagopt("s", "cmd_string", "Subcommand", "CMD_STR");
opts.optflagopt("t", "cmd_sleep", "Safe-mode sleep time", "CMD_INT");
let matches = match opts.parse(&args[1..]) {
Ok(r) => r,
Err(f) => panic!(f.to_string()),
};
info!("OnCommand logic called");
let subcommand = matches.opt_str("s").unwrap_or("".to_owned());
match subcommand.as_ref() {
"safemode" => {
let time: u64 = match matches.opt_get("t") {
Ok(Some(val)) => val,
_ => {
info!("Command Integer must be positive and non-zero");
bail!("Command Integer must be positive and non-zero");
}
};
info!("Going into safemode for {} seconds", time);
thread::sleep(Duration::from_secs(time));
info!("Resuming normal operations");
}
_ => {
info!("Querying for active applications");
let request = r#"{
apps {
active,
app {
uuid,
name,
version,
author
}
}
}"#;
match query(
&ServiceConfig::new("app-service"),
request,
Some(Duration::from_secs(1)),
) {
Ok(msg) => info!("App query result: {:?}", msg),
Err(err) => {
info!("App service query failed: {}", err);
bail!("App service query failed: {}", err)
}
}
}
}
Ok(())
}
}
fn main() -> Result<(), Error> {
let app = MyApp;
app_main!(&app)?;
Ok(())
}