Struct RetryPolicy

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pub struct RetryPolicy { /* private fields */ }

Expand description

A retry policy for Kubernetes API requests.

This policy retries requests that fail with:

429 Too Many Requests
503 Service Unavailable
504 Gateway Timeout

Uses exponential backoff starting from min_delay up to max_delay, with a configurable maximum number of retries.

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impl RetryPolicy

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pub fn new( min_delay: Duration, max_delay: Duration, max_retries: u32, ) -> Result<Self, InvalidBackoff>

Create a new retry policy with custom parameters.

§Arguments

min_delay - Initial delay between retries
max_delay - Maximum delay between retries (cap for exponential growth)
max_retries - Maximum number of retry attempts

§Errors

Returns InvalidBackoff if the backoff parameters are invalid.

Trait Implementations§

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impl Clone for RetryPolicy

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fn clone(&self) -> RetryPolicy

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Default for RetryPolicy

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fn default() -> Self

Create a default retry policy.

Default parameters:

min_delay: 500ms
max_delay: 5s
max_retries: 3

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impl<Res> Policy<Request<Body>, Response<Res>, Box<dyn Error + Send + Sync>> for RetryPolicy

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type Future = Sleep

The Future type returned by Policy::retry.

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fn retry( &mut self, _req: &mut Request<Body>, result: &mut Result<Response<Res>, BoxError>, ) -> Option<Self::Future>

Check the policy if a certain request should be retried. Read more

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fn clone_request(&mut self, req: &Request<Body>) -> Option<Request<Body>>

Tries to clone a request before being passed to the inner service. Read more

Auto Trait Implementations§

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impl UnwindSafe for RetryPolicy

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

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impl<T> Same for T

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type Output = T

Should always be Self

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impl<T> ServiceExt for T

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fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

Apply a transformation to the response body. Read more

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fn decompression(self) -> Decompression<Self>
where Self: Sized,

Decompress response bodies. Read more

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fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using HTTP status codes. Read more

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fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>
where Self: Sized,

High level tracing that classifies responses using gRPC headers. Read more

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fn follow_redirects(self) -> FollowRedirect<Self>
where Self: Sized,

Follow redirect resposes using the Standard policy. Read more

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

RetryPolicy

Struct RetryPolicy Copy item path

Implementations§

impl RetryPolicy

pub fn new( min_delay: Duration, max_delay: Duration, max_retries: u32, ) -> Result<Self, InvalidBackoff>

§Arguments

§Errors

Trait Implementations§

impl Clone for RetryPolicy

fn clone(&self) -> RetryPolicy

fn clone_from(&mut self, source: &Self)

impl Default for RetryPolicy

fn default() -> Self

impl<Res> Policy<Request<Body>, Response<Res>, Box<dyn Error + Send + Sync>> for RetryPolicy

type Future = Sleep

fn retry( &mut self, _req: &mut Request<Body>, result: &mut Result<Response<Res>, BoxError>, ) -> Option<Self::Future>

fn clone_request(&mut self, req: &Request<Body>) -> Option<Request<Body>>

Auto Trait Implementations§

impl Freeze for RetryPolicy

impl RefUnwindSafe for RetryPolicy

impl Send for RetryPolicy

impl Sync for RetryPolicy

impl Unpin for RetryPolicy

impl UnwindSafe for RetryPolicy

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> DynClone for Twhere T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>where F: FnOnce(&Self) -> bool,

impl<T> PolicyExt for Twhere T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>where T: Policy<B, E>, P: Policy<B, E>,

fn or<P, B, E>(self, other: P) -> Or<T, P>where T: Policy<B, E>, P: Policy<B, E>,

impl<T> Same for T

type Output = T

impl<T> ServiceExt for T

fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>where Self: Sized,

fn decompression(self) -> Decompression<Self>where Self: Sized,

fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>where Self: Sized,

fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>where Self: Sized,

fn follow_redirects(self) -> FollowRedirect<Self>where Self: Sized,

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

Struct RetryPolicy

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T> CloneToUninit for T
where T: Clone,

impl<T> DynClone for T
where T: Clone,

impl<T, U> Into<U> for T
where U: From<T>,

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

impl<T> PolicyExt for T
where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

fn map_response_body<F>(self, f: F) -> MapResponseBody<Self, F>
where Self: Sized,

fn decompression(self) -> Decompression<Self>
where Self: Sized,

fn trace_for_http(self) -> Trace<Self, SharedClassifier<ServerErrorsAsFailures>>
where Self: Sized,

fn trace_for_grpc(self) -> Trace<Self, SharedClassifier<GrpcErrorsAsFailures>>
where Self: Sized,

fn follow_redirects(self) -> FollowRedirect<Self>
where Self: Sized,

impl<T> ToOwned for T
where T: Clone,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,