Add log rotation (#6564)

* Use flexi_logger; Add log rotation

* Add default rotation; Add FlexiLogger error

* Fix compilation error

* Remove logging to stdout if it's not a tty

* Fix formatting

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Remove needless debug statement

* Default to unlimited size for log rotation

* Add more comments about log-age option

* Remove unused variable

* Fix typo in comment

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/client/cli/src/params/shared_params.rs

@@ -19,8 +19,10 @@
 use sc_service::config::BasePath;
 use std::path::PathBuf;
 use structopt::StructOpt;
+use crate::logger::LogRotationOpt;
 
 /// Shared parameters used by all `CoreParams`.
+#[allow(missing_docs)]
 #[derive(Debug, StructOpt)]
 pub struct SharedParams {
 	/// Specify the chain specification (one of dev, local, or staging).
@@ -41,6 +43,9 @@ pub struct SharedParams {
 	/// By default, all targets log `info`. The global log level can be set with -l<level>.
 	#[structopt(short = "l", long, value_name = "LOG_PATTERN")]
 	pub log: Vec<String>,
+
+	#[structopt(flatten)]
+	pub log_rotation_opt: LogRotationOpt,
 }
 
 impl SharedParams {
@@ -72,4 +77,9 @@ impl SharedParams {
 	pub fn log_filters(&self) -> &[String] {
 		&self.log
 	}
+
+	/// Get the file rotation options for the logging
+	pub fn log_rotation_opt(&self) -> &LogRotationOpt {
+		&self.log_rotation_opt
+	}
 }