Struct opendal::layers::LoggingLayer
source · pub struct LoggingLayer { /* private fields */ }
Expand description
Add log for every operations.
§Logging
- OpenDAL will log in structural way.
- Every operation will start with a
started
log entry. - Every operation will finish with the following status:
finished
: the operation is successful.errored
: the operation returns an expected error likeNotFound
.failed
: the operation returns an unexpected error.
- The default log level while expected error happened is
Warn
. - The default log level while unexpected failure happened is
Error
.
§Todo
We should migrate to log’s kv api after it’s ready.
Tracking issue: https://github.com/rust-lang/log/issues/328
§Examples
use anyhow::Result;
use opendal::layers::LoggingLayer;
use opendal::services;
use opendal::Operator;
use opendal::Scheme;
let _ = Operator::new(services::Memory::default())
.expect("must init")
.layer(LoggingLayer::default())
.finish();
§Output
OpenDAL is using log
for logging internally.
To enable logging output, please set RUST_LOG
:
RUST_LOG=debug ./app
To config logging output, please refer to Configure Logging:
RUST_LOG="info,opendal::services=debug" ./app
Implementations§
source§impl LoggingLayer
impl LoggingLayer
sourcepub fn with_error_level(self, level: Option<&str>) -> Result<Self>
pub fn with_error_level(self, level: Option<&str>) -> Result<Self>
Setting the log level while expected error happened.
For example: accessor returns NotFound.
None
means disable the log for error.
sourcepub fn with_failure_level(self, level: Option<&str>) -> Result<Self>
pub fn with_failure_level(self, level: Option<&str>) -> Result<Self>
Setting the log level while unexpected failure happened.
For example: accessor returns Unexpected network error.
None
means disable the log for failure.
sourcepub fn with_backtrace_output(self, enable: bool) -> Self
pub fn with_backtrace_output(self, enable: bool) -> Self
Setting whether to output backtrace while unexpected failure happened.
§Notes
- When the error is an expected error, backtrace will not be output.
- backtrace output is disable by default.
Trait Implementations§
source§impl Clone for LoggingLayer
impl Clone for LoggingLayer
source§fn clone(&self) -> LoggingLayer
fn clone(&self) -> LoggingLayer
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for LoggingLayer
impl Debug for LoggingLayer
source§impl Default for LoggingLayer
impl Default for LoggingLayer
source§impl<A: Accessor> Layer<A> for LoggingLayer
impl<A: Accessor> Layer<A> for LoggingLayer
§type LayeredAccessor = LoggingAccessor<A>
type LayeredAccessor = LoggingAccessor<A>
The layered accessor that returned by this layer.
source§fn layer(&self, inner: A) -> Self::LayeredAccessor
fn layer(&self, inner: A) -> Self::LayeredAccessor
Intercept the operations on the underlying storage.
impl Copy for LoggingLayer
Auto Trait Implementations§
impl RefUnwindSafe for LoggingLayer
impl Send for LoggingLayer
impl Sync for LoggingLayer
impl Unpin for LoggingLayer
impl UnwindSafe for LoggingLayer
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