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Working open telemetry

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This commit is contained in:
Ondrej Vlach
2023-11-28 17:09:50 +01:00
parent f2b16ba472
commit b43aa68130
4 changed files with 302 additions and 26 deletions
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33
src/routes/pdf.rs
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@@ -5,14 +5,17 @@ use std::io::prelude::*;
use headless_chrome::Browser;
use headless_chrome::{types::PrintToPdfOptions, LaunchOptions};
use rocket::{get, Response, futures::Stream, tokio::net::UnixStream, fs::NamedFile};
use tracing::{info_span, debug, info, error};
use tracing::{info_span, debug, info, error, Span, instrument};
use crate::chromium::rocket::BrowserHolder;
use crate::tools::rocket::TracingSpan;
fn generate_pdf(browser: Browser) {
let tab = browser.new_tab().unwrap();
let tab = tab.navigate_to("file:///home/6a6996c0-1609-48b6-8ca6-affbef1b4d1d/Devel/Nanobyte/ovlach/ovlach_pdf/template.html").unwrap().wait_until_navigated().unwrap();
info_span!("open_pdf").in_scope(|| {
tab.navigate_to("file:///home/6a6996c0-1609-48b6-8ca6-affbef1b4d1d/Devel/Nanobyte/ovlach/ovlach_pdf/template.html").unwrap().wait_until_navigated().unwrap();
});
let options = PrintToPdfOptions{
margin_bottom: Some(0.0),
margin_left: Some(0.0),
@@ -26,25 +29,29 @@ fn generate_pdf(browser: Browser) {
//thread::sleep(Duration::from_secs(10));
let bytes = tab.print_to_pdf(Some(options)).unwrap();
let mut file = fs::OpenOptions::new()
// .create(true) // To create a new file
.write(true)
// either use the ? operator or unwrap since it returns a Result
.open("/tmp/foo.pdf").unwrap();
file.write_all(&bytes).unwrap();
let bytes = info_span!("print_pdf").in_scope(|| {
tab.print_to_pdf(Some(options)).unwrap()
});
info_span!("write_temporary_file").in_scope(|| {
let mut file = fs::OpenOptions::new()
// .create(true) // To create a new file
.write(true)
// either use the ? operator or unwrap since it returns a Result
.open("/tmp/foo.pdf").unwrap();
file.write_all(&bytes).unwrap();
});
}
#[get("/cv/<username>/pdf")]
pub async fn render_pdf_cv(username: &str, browser: BrowserHolder, tracing: TracingSpan) -> NamedFile {
let entered_span = tracing.0.enter();
let span = info_span!("render_pdf", username = username);
let entered_inner_span = span.enter();
info!("generate PDF");
generate_pdf(browser.browser);
span.in_scope(||{
generate_pdf(browser.browser);
});
info!("done generating");
drop(entered_inner_span);
drop(entered_span);
"foo!".to_string();
NamedFile::open("/tmp/foo.pdf").await.expect("failed to open foo.pdf")
}