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aws_sdk_cloudfront/operation/
describe_function.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `DescribeFunction`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct DescribeFunction;
6impl DescribeFunction {
7    /// Creates a new `DescribeFunction`
8    pub fn new() -> Self {
9        Self
10    }
11    pub(crate) async fn orchestrate(
12        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
13        input: crate::operation::describe_function::DescribeFunctionInput,
14    ) -> ::std::result::Result<
15        crate::operation::describe_function::DescribeFunctionOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::describe_function::DescribeFunctionError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<
22            ::aws_smithy_runtime_api::client::interceptors::context::Error,
23            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
24        >| {
25            err.map_service_error(|err| {
26                err.downcast::<crate::operation::describe_function::DescribeFunctionError>()
27                    .expect("correct error type")
28            })
29        };
30        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
31            .await
32            .map_err(map_err)?;
33        let output = context.finalize().map_err(map_err)?;
34        ::std::result::Result::Ok(
35            output
36                .downcast::<crate::operation::describe_function::DescribeFunctionOutput>()
37                .expect("correct output type"),
38        )
39    }
40
41    pub(crate) async fn orchestrate_with_stop_point(
42        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
43        input: crate::operation::describe_function::DescribeFunctionInput,
44        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
45    ) -> ::std::result::Result<
46        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
47        ::aws_smithy_runtime_api::client::result::SdkError<
48            ::aws_smithy_runtime_api::client::interceptors::context::Error,
49            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
50        >,
51    > {
52        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
53        use ::tracing::Instrument;
54        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point("CloudFront", "DescribeFunction", input, runtime_plugins, stop_point)
55            // Create a parent span for the entire operation. Includes a random, internal-only,
56            // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
57            .instrument(::tracing::debug_span!(
58                "CloudFront.DescribeFunction",
59                "rpc.service" = "CloudFront",
60                "rpc.method" = "DescribeFunction",
61                "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
62                "rpc.system" = "aws-api",
63            ))
64            .await
65    }
66
67    pub(crate) fn operation_runtime_plugins(
68        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
69        client_config: &crate::config::Config,
70        config_override: ::std::option::Option<crate::config::Builder>,
71    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
72        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
73
74        if let ::std::option::Option::Some(config_override) = config_override {
75            for plugin in config_override.runtime_plugins.iter().cloned() {
76                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
77            }
78            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
79                config_override,
80                client_config.config.clone(),
81                &client_config.runtime_components,
82            ));
83        }
84        runtime_plugins
85    }
86}
87impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for DescribeFunction {
88    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
89        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("DescribeFunction");
90
91        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
92            DescribeFunctionRequestSerializer,
93        ));
94        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
95            DescribeFunctionResponseDeserializer,
96        ));
97
98        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
99            crate::config::auth::Params::builder()
100                .operation_name("DescribeFunction")
101                .build()
102                .expect("required fields set"),
103        ));
104
105        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new(
106            "DescribeFunction",
107            "CloudFront",
108        ));
109        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
110        signing_options.double_uri_encode = true;
111        signing_options.content_sha256_header = false;
112        signing_options.normalize_uri_path = true;
113        signing_options.payload_override = None;
114
115        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
116            signing_options,
117            ..::std::default::Default::default()
118        });
119
120        ::std::option::Option::Some(cfg.freeze())
121    }
122
123    fn runtime_components(
124        &self,
125        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
126    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
127        #[allow(unused_mut)]
128        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("DescribeFunction")
129            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
130                ::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default(),
131            ))
132            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
133                DescribeFunctionEndpointParamsInterceptor,
134            ))
135            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
136                crate::operation::describe_function::DescribeFunctionError,
137            >::new())
138            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
139                crate::operation::describe_function::DescribeFunctionError,
140            >::new())
141            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
142                crate::operation::describe_function::DescribeFunctionError,
143            >::new());
144
145        ::std::borrow::Cow::Owned(rcb)
146    }
147}
148
149#[derive(Debug)]
150struct DescribeFunctionResponseDeserializer;
151impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for DescribeFunctionResponseDeserializer {
152    fn deserialize_nonstreaming_with_config(
153        &self,
154        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
155        _cfg: &::aws_smithy_types::config_bag::ConfigBag,
156    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
157        let (success, status) = (response.status().is_success(), response.status().as_u16());
158        let headers = response.headers();
159        let body = response.body().bytes().expect("body loaded");
160        #[allow(unused_mut)]
161        let mut force_error = false;
162        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
163        let parse_result = if !success && status != 200 || force_error {
164            crate::protocol_serde::shape_describe_function::de_describe_function_http_error(status, headers, body)
165        } else {
166            crate::protocol_serde::shape_describe_function::de_describe_function_http_response(status, headers, body)
167        };
168        crate::protocol_serde::type_erase_result(parse_result)
169    }
170}
171#[derive(Debug)]
172struct DescribeFunctionRequestSerializer;
173impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for DescribeFunctionRequestSerializer {
174    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
175    fn serialize_input(
176        &self,
177        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
178        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
179    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
180        let input = input
181            .downcast::<crate::operation::describe_function::DescribeFunctionInput>()
182            .expect("correct type");
183        let _header_serialization_settings = _cfg
184            .load::<crate::serialization_settings::HeaderSerializationSettings>()
185            .cloned()
186            .unwrap_or_default();
187        let mut request_builder = {
188            #[allow(clippy::uninlined_format_args)]
189            fn uri_base(
190                _input: &crate::operation::describe_function::DescribeFunctionInput,
191                output: &mut ::std::string::String,
192            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
193                use ::std::fmt::Write as _;
194                let input_1 = &_input.name;
195                let input_1 = input_1
196                    .as_ref()
197                    .ok_or_else(|| ::aws_smithy_types::error::operation::BuildError::missing_field("name", "cannot be empty or unset"))?;
198                let name = ::aws_smithy_http::label::fmt_string(input_1, ::aws_smithy_http::label::EncodingStrategy::Default);
199                if name.is_empty() {
200                    return ::std::result::Result::Err(::aws_smithy_types::error::operation::BuildError::missing_field(
201                        "name",
202                        "cannot be empty or unset",
203                    ));
204                }
205                ::std::write!(output, "/2020-05-31/function/{Name}/describe", Name = name).expect("formatting should succeed");
206                ::std::result::Result::Ok(())
207            }
208            fn uri_query(
209                _input: &crate::operation::describe_function::DescribeFunctionInput,
210                mut output: &mut ::std::string::String,
211            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
212                let mut query = ::aws_smithy_http::query::Writer::new(output);
213                if let ::std::option::Option::Some(inner_2) = &_input.stage {
214                    {
215                        query.push_kv("Stage", &::aws_smithy_http::query::fmt_string(inner_2.as_str()));
216                    }
217                }
218                ::std::result::Result::Ok(())
219            }
220            #[allow(clippy::unnecessary_wraps)]
221            fn update_http_builder(
222                input: &crate::operation::describe_function::DescribeFunctionInput,
223                builder: ::http_1x::request::Builder,
224            ) -> ::std::result::Result<::http_1x::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
225                let mut uri = ::std::string::String::new();
226                uri_base(input, &mut uri)?;
227                uri_query(input, &mut uri)?;
228                ::std::result::Result::Ok(builder.method("GET").uri(uri))
229            }
230            let mut builder = update_http_builder(&input, ::http_1x::request::Builder::new())?;
231            builder
232        };
233        let body = ::aws_smithy_types::body::SdkBody::from("");
234
235        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
236    }
237}
238#[derive(Debug)]
239struct DescribeFunctionEndpointParamsInterceptor;
240
241#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
242impl ::aws_smithy_runtime_api::client::interceptors::Intercept for DescribeFunctionEndpointParamsInterceptor {
243    fn name(&self) -> &'static str {
244        "DescribeFunctionEndpointParamsInterceptor"
245    }
246
247    fn read_before_execution(
248        &self,
249        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
250            '_,
251            ::aws_smithy_runtime_api::client::interceptors::context::Input,
252            ::aws_smithy_runtime_api::client::interceptors::context::Output,
253            ::aws_smithy_runtime_api::client::interceptors::context::Error,
254        >,
255        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
256    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
257        let _input = context
258            .input()
259            .downcast_ref::<DescribeFunctionInput>()
260            .ok_or("failed to downcast to DescribeFunctionInput")?;
261
262        let params = crate::config::endpoint::Params::builder()
263            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
264            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
265            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
266            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
267            .build()
268            .map_err(|err| {
269                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
270            })?;
271        cfg.interceptor_state()
272            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
273        ::std::result::Result::Ok(())
274    }
275}
276
277// The get_* functions below are generated from JMESPath expressions in the
278// operationContextParams trait. They target the operation's input shape.
279
280/// Error type for the `DescribeFunctionError` operation.
281#[non_exhaustive]
282#[derive(::std::fmt::Debug)]
283pub enum DescribeFunctionError {
284    /// <p>The function does not exist.</p>
285    NoSuchFunctionExists(crate::types::error::NoSuchFunctionExists),
286    /// <p>This operation is not supported in this Amazon Web Services Region.</p>
287    UnsupportedOperation(crate::types::error::UnsupportedOperation),
288    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
289    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
290    variable wildcard pattern and check `.code()`:
291     \
292    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
293     \
294    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-DescribeFunctionError) for what information is available for the error.")]
295    Unhandled(crate::error::sealed_unhandled::Unhandled),
296}
297impl DescribeFunctionError {
298    /// Creates the `DescribeFunctionError::Unhandled` variant from any error type.
299    pub fn unhandled(
300        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
301    ) -> Self {
302        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
303            source: err.into(),
304            meta: ::std::default::Default::default(),
305        })
306    }
307
308    /// Creates the `DescribeFunctionError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
309    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
310        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
311            source: err.clone().into(),
312            meta: err,
313        })
314    }
315    ///
316    /// Returns error metadata, which includes the error code, message,
317    /// request ID, and potentially additional information.
318    ///
319    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
320        match self {
321            Self::NoSuchFunctionExists(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
322            Self::UnsupportedOperation(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
323            Self::Unhandled(e) => &e.meta,
324        }
325    }
326    /// Returns `true` if the error kind is `DescribeFunctionError::NoSuchFunctionExists`.
327    pub fn is_no_such_function_exists(&self) -> bool {
328        matches!(self, Self::NoSuchFunctionExists(_))
329    }
330    /// Returns `true` if the error kind is `DescribeFunctionError::UnsupportedOperation`.
331    pub fn is_unsupported_operation(&self) -> bool {
332        matches!(self, Self::UnsupportedOperation(_))
333    }
334}
335impl ::std::error::Error for DescribeFunctionError {
336    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
337        match self {
338            Self::NoSuchFunctionExists(_inner) => ::std::option::Option::Some(_inner),
339            Self::UnsupportedOperation(_inner) => ::std::option::Option::Some(_inner),
340            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
341        }
342    }
343}
344impl ::std::fmt::Display for DescribeFunctionError {
345    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
346        match self {
347            Self::NoSuchFunctionExists(_inner) => _inner.fmt(f),
348            Self::UnsupportedOperation(_inner) => _inner.fmt(f),
349            Self::Unhandled(_inner) => {
350                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
351                    write!(f, "unhandled error ({code})")
352                } else {
353                    f.write_str("unhandled error")
354                }
355            }
356        }
357    }
358}
359impl ::aws_smithy_types::retry::ProvideErrorKind for DescribeFunctionError {
360    fn code(&self) -> ::std::option::Option<&str> {
361        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
362    }
363    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
364        ::std::option::Option::None
365    }
366}
367impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for DescribeFunctionError {
368    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
369        match self {
370            Self::NoSuchFunctionExists(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
371            Self::UnsupportedOperation(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
372            Self::Unhandled(_inner) => &_inner.meta,
373        }
374    }
375}
376impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for DescribeFunctionError {
377    fn create_unhandled_error(
378        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
379        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
380    ) -> Self {
381        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
382            source,
383            meta: meta.unwrap_or_default(),
384        })
385    }
386}
387impl ::aws_types::request_id::RequestId for crate::operation::describe_function::DescribeFunctionError {
388    fn request_id(&self) -> Option<&str> {
389        self.meta().request_id()
390    }
391}
392
393pub use crate::operation::describe_function::_describe_function_input::DescribeFunctionInput;
394
395pub use crate::operation::describe_function::_describe_function_output::DescribeFunctionOutput;
396
397mod _describe_function_input;
398
399mod _describe_function_output;
400
401/// Builders
402pub mod builders;