microsoft/openvmm
Publicmirrored fromhttps://github.com/microsoft/openvmmAvailable
support/ci_logger/src/lib.rs
84lines · modecode
| 1 | // Copyright (C) Microsoft Corporation. All rights reserved. |
| 2 | |
| 3 | //! A [`log::Log`] implementation translates log-levels to ADO logging commands. |
| 4 | |
| 5 | use env_logger::filter::Filter; |
| 6 | use log::Level; |
| 7 | use log::Metadata; |
| 8 | use log::Record; |
| 9 | |
| 10 | struct AdoLogger { |
| 11 | filter: Filter, |
| 12 | in_ci: bool, |
| 13 | } |
| 14 | |
| 15 | impl AdoLogger { |
| 16 | fn new(log_env_var: &str) -> AdoLogger { |
| 17 | let mut builder = env_logger::filter::Builder::new(); |
| 18 | if let Ok(var) = std::env::var(log_env_var) { |
| 19 | builder.parse(&var); |
| 20 | } else { |
| 21 | builder.filter_level(log::LevelFilter::Info); |
| 22 | } |
| 23 | let filter = builder.build(); |
| 24 | |
| 25 | AdoLogger { |
| 26 | in_ci: std::env::var("TF_BUILD").is_ok(), |
| 27 | filter, |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | impl log::Log for AdoLogger { |
| 33 | fn enabled(&self, metadata: &Metadata<'_>) -> bool { |
| 34 | self.filter.enabled(metadata) |
| 35 | } |
| 36 | |
| 37 | fn log(&self, record: &Record<'_>) { |
| 38 | if self.filter.matches(record) { |
| 39 | let (prefix, postfix) = if self.in_ci { |
| 40 | let prefix = match record.level() { |
| 41 | Level::Error => "##vso[task.logissue type=error]", |
| 42 | Level::Warn => "##vso[task.logissue type=warning]", |
| 43 | Level::Info => "", |
| 44 | Level::Debug => "##[debug]", |
| 45 | Level::Trace => "##[debug](trace)", |
| 46 | }; |
| 47 | (prefix, "") |
| 48 | } else { |
| 49 | let prefix = match record.level() { |
| 50 | Level::Error => "\x1B[0;31m", // red |
| 51 | Level::Warn => "\x1B[0;33m", // yellow |
| 52 | Level::Info => "", |
| 53 | Level::Debug => "\x1B[0;36m", // cyan |
| 54 | Level::Trace => "\x1B[0;35m", // purple |
| 55 | }; |
| 56 | (prefix, "\x1B[0m") |
| 57 | }; |
| 58 | |
| 59 | if record.level() <= Level::Info { |
| 60 | eprintln!("{}{}{}", prefix, record.args(), postfix) |
| 61 | } else { |
| 62 | eprintln!( |
| 63 | "{}[{}:{}] {}{}", |
| 64 | prefix, |
| 65 | record.module_path().unwrap_or("?"), |
| 66 | record |
| 67 | .line() |
| 68 | .map(|s| s.to_string()) |
| 69 | .unwrap_or_else(|| "?".into()), |
| 70 | record.args(), |
| 71 | postfix |
| 72 | ) |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | fn flush(&self) {} |
| 78 | } |
| 79 | |
| 80 | /// Initialize the ADO logger |
| 81 | pub fn init(log_env_var: &str) -> Result<(), log::SetLoggerError> { |
| 82 | log::set_boxed_logger(Box::new(AdoLogger::new(log_env_var))) |
| 83 | .map(|()| log::set_max_level(log::LevelFilter::Trace)) |
| 84 | } |
| 85 | |