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aws_sdk_lambda/operation/
get_function.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `GetFunction`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct GetFunction;
6impl GetFunction {
7    /// Creates a new `GetFunction`
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::get_function::GetFunctionInput,
14    ) -> ::std::result::Result<
15        crate::operation::get_function::GetFunctionOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::get_function::GetFunctionError,
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::get_function::GetFunctionError>()
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::get_function::GetFunctionOutput>()
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::get_function::GetFunctionInput,
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("Lambda", "GetFunction", 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                "Lambda.GetFunction",
59                "rpc.service" = "Lambda",
60                "rpc.method" = "GetFunction",
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 GetFunction {
88    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
89        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("GetFunction");
90
91        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
92            GetFunctionRequestSerializer,
93        ));
94        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
95            GetFunctionResponseDeserializer,
96        ));
97
98        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
99            crate::config::auth::Params::builder()
100                .operation_name("GetFunction")
101                .build()
102                .expect("required fields set"),
103        ));
104
105        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::SensitiveOutput);
106        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new("GetFunction", "Lambda"));
107        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
108        signing_options.double_uri_encode = true;
109        signing_options.content_sha256_header = false;
110        signing_options.normalize_uri_path = true;
111        signing_options.payload_override = None;
112
113        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
114            signing_options,
115            ..::std::default::Default::default()
116        });
117
118        ::std::option::Option::Some(cfg.freeze())
119    }
120
121    fn runtime_components(
122        &self,
123        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
124    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
125        #[allow(unused_mut)]
126        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("GetFunction")
127            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
128                ::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default(),
129            ))
130            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
131                GetFunctionEndpointParamsInterceptor,
132            ))
133            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
134                crate::operation::get_function::GetFunctionError,
135            >::new())
136            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
137                crate::operation::get_function::GetFunctionError,
138            >::new())
139            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
140                crate::operation::get_function::GetFunctionError,
141            >::new());
142
143        ::std::borrow::Cow::Owned(rcb)
144    }
145}
146
147#[derive(Debug)]
148struct GetFunctionResponseDeserializer;
149impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for GetFunctionResponseDeserializer {
150    fn deserialize_nonstreaming(
151        &self,
152        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
153    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
154        let (success, status) = (response.status().is_success(), response.status().as_u16());
155        let headers = response.headers();
156        let body = response.body().bytes().expect("body loaded");
157        #[allow(unused_mut)]
158        let mut force_error = false;
159        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
160        let parse_result = if !success && status != 200 || force_error {
161            crate::protocol_serde::shape_get_function::de_get_function_http_error(status, headers, body)
162        } else {
163            crate::protocol_serde::shape_get_function::de_get_function_http_response(status, headers, body)
164        };
165        crate::protocol_serde::type_erase_result(parse_result)
166    }
167}
168#[derive(Debug)]
169struct GetFunctionRequestSerializer;
170impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for GetFunctionRequestSerializer {
171    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
172    fn serialize_input(
173        &self,
174        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
175        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
176    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
177        let input = input
178            .downcast::<crate::operation::get_function::GetFunctionInput>()
179            .expect("correct type");
180        let _header_serialization_settings = _cfg
181            .load::<crate::serialization_settings::HeaderSerializationSettings>()
182            .cloned()
183            .unwrap_or_default();
184        let mut request_builder = {
185            #[allow(clippy::uninlined_format_args)]
186            fn uri_base(
187                _input: &crate::operation::get_function::GetFunctionInput,
188                output: &mut ::std::string::String,
189            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
190                use ::std::fmt::Write as _;
191                let input_1 = &_input.function_name;
192                let input_1 = input_1
193                    .as_ref()
194                    .ok_or_else(|| ::aws_smithy_types::error::operation::BuildError::missing_field("function_name", "cannot be empty or unset"))?;
195                let function_name = ::aws_smithy_http::label::fmt_string(input_1, ::aws_smithy_http::label::EncodingStrategy::Default);
196                if function_name.is_empty() {
197                    return ::std::result::Result::Err(::aws_smithy_types::error::operation::BuildError::missing_field(
198                        "function_name",
199                        "cannot be empty or unset",
200                    ));
201                }
202                ::std::write!(output, "/2015-03-31/functions/{FunctionName}", FunctionName = function_name).expect("formatting should succeed");
203                ::std::result::Result::Ok(())
204            }
205            fn uri_query(
206                _input: &crate::operation::get_function::GetFunctionInput,
207                mut output: &mut ::std::string::String,
208            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
209                let mut query = ::aws_smithy_http::query::Writer::new(output);
210                if let ::std::option::Option::Some(inner_2) = &_input.qualifier {
211                    {
212                        query.push_kv("Qualifier", &::aws_smithy_http::query::fmt_string(inner_2));
213                    }
214                }
215                ::std::result::Result::Ok(())
216            }
217            #[allow(clippy::unnecessary_wraps)]
218            fn update_http_builder(
219                input: &crate::operation::get_function::GetFunctionInput,
220                builder: ::http_1x::request::Builder,
221            ) -> ::std::result::Result<::http_1x::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
222                let mut uri = ::std::string::String::new();
223                uri_base(input, &mut uri)?;
224                uri_query(input, &mut uri)?;
225                ::std::result::Result::Ok(builder.method("GET").uri(uri))
226            }
227            let mut builder = update_http_builder(&input, ::http_1x::request::Builder::new())?;
228            builder
229        };
230        let body = ::aws_smithy_types::body::SdkBody::from("");
231
232        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
233    }
234}
235#[derive(Debug)]
236struct GetFunctionEndpointParamsInterceptor;
237
238#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
239impl ::aws_smithy_runtime_api::client::interceptors::Intercept for GetFunctionEndpointParamsInterceptor {
240    fn name(&self) -> &'static str {
241        "GetFunctionEndpointParamsInterceptor"
242    }
243
244    fn read_before_execution(
245        &self,
246        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
247            '_,
248            ::aws_smithy_runtime_api::client::interceptors::context::Input,
249            ::aws_smithy_runtime_api::client::interceptors::context::Output,
250            ::aws_smithy_runtime_api::client::interceptors::context::Error,
251        >,
252        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
253    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
254        let _input = context
255            .input()
256            .downcast_ref::<GetFunctionInput>()
257            .ok_or("failed to downcast to GetFunctionInput")?;
258
259        let params = crate::config::endpoint::Params::builder()
260            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
261            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
262            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
263            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
264            .build()
265            .map_err(|err| {
266                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
267            })?;
268        cfg.interceptor_state()
269            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
270        ::std::result::Result::Ok(())
271    }
272}
273
274// The get_* functions below are generated from JMESPath expressions in the
275// operationContextParams trait. They target the operation's input shape.
276
277/// Error type for the `GetFunctionError` operation.
278#[non_exhaustive]
279#[derive(::std::fmt::Debug)]
280pub enum GetFunctionError {
281    /// <p>One of the parameters in the request is not valid.</p>
282    InvalidParameterValueException(crate::types::error::InvalidParameterValueException),
283    /// <p>The resource specified in the request does not exist.</p>
284    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
285    /// <p>The Lambda service encountered an internal error.</p>
286    ServiceException(crate::types::error::ServiceException),
287    /// <p>The request throughput limit was exceeded. For more information, see <a href="https://docs.aws.amazon.com/lambda/latest/dg/gettingstarted-limits.html#api-requests">Lambda quotas</a>.</p>
288    TooManyRequestsException(crate::types::error::TooManyRequestsException),
289    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
290    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
291    variable wildcard pattern and check `.code()`:
292     \
293    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
294     \
295    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-GetFunctionError) for what information is available for the error.")]
296    Unhandled(crate::error::sealed_unhandled::Unhandled),
297}
298impl GetFunctionError {
299    /// Creates the `GetFunctionError::Unhandled` variant from any error type.
300    pub fn unhandled(
301        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
302    ) -> Self {
303        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
304            source: err.into(),
305            meta: ::std::default::Default::default(),
306        })
307    }
308
309    /// Creates the `GetFunctionError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
310    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
311        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
312            source: err.clone().into(),
313            meta: err,
314        })
315    }
316    ///
317    /// Returns error metadata, which includes the error code, message,
318    /// request ID, and potentially additional information.
319    ///
320    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
321        match self {
322            Self::InvalidParameterValueException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
323            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
324            Self::ServiceException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
325            Self::TooManyRequestsException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
326            Self::Unhandled(e) => &e.meta,
327        }
328    }
329    /// Returns `true` if the error kind is `GetFunctionError::InvalidParameterValueException`.
330    pub fn is_invalid_parameter_value_exception(&self) -> bool {
331        matches!(self, Self::InvalidParameterValueException(_))
332    }
333    /// Returns `true` if the error kind is `GetFunctionError::ResourceNotFoundException`.
334    pub fn is_resource_not_found_exception(&self) -> bool {
335        matches!(self, Self::ResourceNotFoundException(_))
336    }
337    /// Returns `true` if the error kind is `GetFunctionError::ServiceException`.
338    pub fn is_service_exception(&self) -> bool {
339        matches!(self, Self::ServiceException(_))
340    }
341    /// Returns `true` if the error kind is `GetFunctionError::TooManyRequestsException`.
342    pub fn is_too_many_requests_exception(&self) -> bool {
343        matches!(self, Self::TooManyRequestsException(_))
344    }
345}
346impl ::std::error::Error for GetFunctionError {
347    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
348        match self {
349            Self::InvalidParameterValueException(_inner) => ::std::option::Option::Some(_inner),
350            Self::ResourceNotFoundException(_inner) => ::std::option::Option::Some(_inner),
351            Self::ServiceException(_inner) => ::std::option::Option::Some(_inner),
352            Self::TooManyRequestsException(_inner) => ::std::option::Option::Some(_inner),
353            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
354        }
355    }
356}
357impl ::std::fmt::Display for GetFunctionError {
358    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
359        match self {
360            Self::InvalidParameterValueException(_inner) => _inner.fmt(f),
361            Self::ResourceNotFoundException(_inner) => _inner.fmt(f),
362            Self::ServiceException(_inner) => _inner.fmt(f),
363            Self::TooManyRequestsException(_inner) => _inner.fmt(f),
364            Self::Unhandled(_inner) => {
365                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
366                    write!(f, "unhandled error ({code})")
367                } else {
368                    f.write_str("unhandled error")
369                }
370            }
371        }
372    }
373}
374impl ::aws_smithy_types::retry::ProvideErrorKind for GetFunctionError {
375    fn code(&self) -> ::std::option::Option<&str> {
376        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
377    }
378    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
379        ::std::option::Option::None
380    }
381}
382impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for GetFunctionError {
383    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
384        match self {
385            Self::InvalidParameterValueException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
386            Self::ResourceNotFoundException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
387            Self::ServiceException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
388            Self::TooManyRequestsException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
389            Self::Unhandled(_inner) => &_inner.meta,
390        }
391    }
392}
393impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for GetFunctionError {
394    fn create_unhandled_error(
395        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
396        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
397    ) -> Self {
398        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
399            source,
400            meta: meta.unwrap_or_default(),
401        })
402    }
403}
404impl ::aws_types::request_id::RequestId for crate::operation::get_function::GetFunctionError {
405    fn request_id(&self) -> Option<&str> {
406        self.meta().request_id()
407    }
408}
409
410pub use crate::operation::get_function::_get_function_input::GetFunctionInput;
411
412pub use crate::operation::get_function::_get_function_output::GetFunctionOutput;
413
414mod _get_function_input;
415
416mod _get_function_output;
417
418/// Builders
419pub mod builders;