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

aws_sdk_lambda/operation/
get_function.rs
