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        runtime_plugins = runtime_plugins.with_client_plugin(crate::auth_plugin::DefaultAuthOptionsPlugin::new(vec![
74            ::aws_runtime::auth::sigv4::SCHEME_ID,
75        ]));
76        if let ::std::option::Option::Some(config_override) = config_override {
77            for plugin in config_override.runtime_plugins.iter().cloned() {
78                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
79            }
80            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
81                config_override,
82                client_config.config.clone(),
83                &client_config.runtime_components,
84            ));
85        }
86        runtime_plugins
87    }
88}
89impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for GetFunction {
90    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
91        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("GetFunction");
92
93        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
94            GetFunctionRequestSerializer,
95        ));
96        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
97            GetFunctionResponseDeserializer,
98        ));
99
100        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
101            ::aws_smithy_runtime_api::client::auth::static_resolver::StaticAuthSchemeOptionResolverParams::new(),
102        ));
103
104        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::SensitiveOutput);
105        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new("GetFunction", "Lambda"));
106        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
107        signing_options.double_uri_encode = true;
108        signing_options.content_sha256_header = false;
109        signing_options.normalize_uri_path = true;
110        signing_options.payload_override = None;
111
112        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
113            signing_options,
114            ..::std::default::Default::default()
115        });
116
117        ::std::option::Option::Some(cfg.freeze())
118    }
119
120    fn runtime_components(
121        &self,
122        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
123    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
124        #[allow(unused_mut)]
125        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("GetFunction")
126            .with_interceptor(::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default())
127            .with_interceptor(GetFunctionEndpointParamsInterceptor)
128            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
129                crate::operation::get_function::GetFunctionError,
130            >::new())
131            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
132                crate::operation::get_function::GetFunctionError,
133            >::new())
134            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
135                crate::operation::get_function::GetFunctionError,
136            >::new());
137
138        ::std::borrow::Cow::Owned(rcb)
139    }
140}
141
142#[derive(Debug)]
143struct GetFunctionResponseDeserializer;
144impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for GetFunctionResponseDeserializer {
145    fn deserialize_nonstreaming(
146        &self,
147        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
148    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
149        let (success, status) = (response.status().is_success(), response.status().as_u16());
150        let headers = response.headers();
151        let body = response.body().bytes().expect("body loaded");
152        #[allow(unused_mut)]
153        let mut force_error = false;
154        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
155        let parse_result = if !success && status != 200 || force_error {
156            crate::protocol_serde::shape_get_function::de_get_function_http_error(status, headers, body)
157        } else {
158            crate::protocol_serde::shape_get_function::de_get_function_http_response(status, headers, body)
159        };
160        crate::protocol_serde::type_erase_result(parse_result)
161    }
162}
163#[derive(Debug)]
164struct GetFunctionRequestSerializer;
165impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for GetFunctionRequestSerializer {
166    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
167    fn serialize_input(
168        &self,
169        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
170        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
171    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
172        let input = input
173            .downcast::<crate::operation::get_function::GetFunctionInput>()
174            .expect("correct type");
175        let _header_serialization_settings = _cfg
176            .load::<crate::serialization_settings::HeaderSerializationSettings>()
177            .cloned()
178            .unwrap_or_default();
179        let mut request_builder = {
180            fn uri_base(
181                _input: &crate::operation::get_function::GetFunctionInput,
182                output: &mut ::std::string::String,
183            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
184                use ::std::fmt::Write as _;
185                let input_1 = &_input.function_name;
186                let input_1 = input_1
187                    .as_ref()
188                    .ok_or_else(|| ::aws_smithy_types::error::operation::BuildError::missing_field("function_name", "cannot be empty or unset"))?;
189                let function_name = ::aws_smithy_http::label::fmt_string(input_1, ::aws_smithy_http::label::EncodingStrategy::Default);
190                if function_name.is_empty() {
191                    return ::std::result::Result::Err(::aws_smithy_types::error::operation::BuildError::missing_field(
192                        "function_name",
193                        "cannot be empty or unset",
194                    ));
195                }
196                ::std::write!(output, "/2015-03-31/functions/{FunctionName}", FunctionName = function_name).expect("formatting should succeed");
197                ::std::result::Result::Ok(())
198            }
199            fn uri_query(
200                _input: &crate::operation::get_function::GetFunctionInput,
201                mut output: &mut ::std::string::String,
202            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
203                let mut query = ::aws_smithy_http::query::Writer::new(output);
204                if let ::std::option::Option::Some(inner_2) = &_input.qualifier {
205                    {
206                        query.push_kv("Qualifier", &::aws_smithy_http::query::fmt_string(inner_2));
207                    }
208                }
209                ::std::result::Result::Ok(())
210            }
211            #[allow(clippy::unnecessary_wraps)]
212            fn update_http_builder(
213                input: &crate::operation::get_function::GetFunctionInput,
214                builder: ::http::request::Builder,
215            ) -> ::std::result::Result<::http::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
216                let mut uri = ::std::string::String::new();
217                uri_base(input, &mut uri)?;
218                uri_query(input, &mut uri)?;
219                ::std::result::Result::Ok(builder.method("GET").uri(uri))
220            }
221            let mut builder = update_http_builder(&input, ::http::request::Builder::new())?;
222            builder
223        };
224        let body = ::aws_smithy_types::body::SdkBody::from("");
225
226        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
227    }
228}
229#[derive(Debug)]
230struct GetFunctionEndpointParamsInterceptor;
231
232impl ::aws_smithy_runtime_api::client::interceptors::Intercept for GetFunctionEndpointParamsInterceptor {
233    fn name(&self) -> &'static str {
234        "GetFunctionEndpointParamsInterceptor"
235    }
236
237    fn read_before_execution(
238        &self,
239        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
240            '_,
241            ::aws_smithy_runtime_api::client::interceptors::context::Input,
242            ::aws_smithy_runtime_api::client::interceptors::context::Output,
243            ::aws_smithy_runtime_api::client::interceptors::context::Error,
244        >,
245        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
246    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
247        let _input = context
248            .input()
249            .downcast_ref::<GetFunctionInput>()
250            .ok_or("failed to downcast to GetFunctionInput")?;
251
252        let params = crate::config::endpoint::Params::builder()
253            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
254            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
255            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
256            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
257            .build()
258            .map_err(|err| {
259                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
260            })?;
261        cfg.interceptor_state()
262            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
263        ::std::result::Result::Ok(())
264    }
265}
266
267// The get_* functions below are generated from JMESPath expressions in the
268// operationContextParams trait. They target the operation's input shape.
269
270/// Error type for the `GetFunctionError` operation.
271#[non_exhaustive]
272#[derive(::std::fmt::Debug)]
273pub enum GetFunctionError {
274    /// <p>One of the parameters in the request is not valid.</p>
275    InvalidParameterValueException(crate::types::error::InvalidParameterValueException),
276    /// <p>The resource specified in the request does not exist.</p>
277    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
278    /// <p>The Lambda service encountered an internal error.</p>
279    ServiceException(crate::types::error::ServiceException),
280    /// <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>
281    TooManyRequestsException(crate::types::error::TooManyRequestsException),
282    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
283    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
284    variable wildcard pattern and check `.code()`:
285     \
286    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
287     \
288    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-GetFunctionError) for what information is available for the error.")]
289    Unhandled(crate::error::sealed_unhandled::Unhandled),
290}
291impl GetFunctionError {
292    /// Creates the `GetFunctionError::Unhandled` variant from any error type.
293    pub fn unhandled(
294        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
295    ) -> Self {
296        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
297            source: err.into(),
298            meta: ::std::default::Default::default(),
299        })
300    }
301
302    /// Creates the `GetFunctionError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
303    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
304        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
305            source: err.clone().into(),
306            meta: err,
307        })
308    }
309    ///
310    /// Returns error metadata, which includes the error code, message,
311    /// request ID, and potentially additional information.
312    ///
313    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
314        match self {
315            Self::InvalidParameterValueException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
316            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
317            Self::ServiceException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
318            Self::TooManyRequestsException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
319            Self::Unhandled(e) => &e.meta,
320        }
321    }
322    /// Returns `true` if the error kind is `GetFunctionError::InvalidParameterValueException`.
323    pub fn is_invalid_parameter_value_exception(&self) -> bool {
324        matches!(self, Self::InvalidParameterValueException(_))
325    }
326    /// Returns `true` if the error kind is `GetFunctionError::ResourceNotFoundException`.
327    pub fn is_resource_not_found_exception(&self) -> bool {
328        matches!(self, Self::ResourceNotFoundException(_))
329    }
330    /// Returns `true` if the error kind is `GetFunctionError::ServiceException`.
331    pub fn is_service_exception(&self) -> bool {
332        matches!(self, Self::ServiceException(_))
333    }
334    /// Returns `true` if the error kind is `GetFunctionError::TooManyRequestsException`.
335    pub fn is_too_many_requests_exception(&self) -> bool {
336        matches!(self, Self::TooManyRequestsException(_))
337    }
338}
339impl ::std::error::Error for GetFunctionError {
340    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
341        match self {
342            Self::InvalidParameterValueException(_inner) => ::std::option::Option::Some(_inner),
343            Self::ResourceNotFoundException(_inner) => ::std::option::Option::Some(_inner),
344            Self::ServiceException(_inner) => ::std::option::Option::Some(_inner),
345            Self::TooManyRequestsException(_inner) => ::std::option::Option::Some(_inner),
346            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
347        }
348    }
349}
350impl ::std::fmt::Display for GetFunctionError {
351    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
352        match self {
353            Self::InvalidParameterValueException(_inner) => _inner.fmt(f),
354            Self::ResourceNotFoundException(_inner) => _inner.fmt(f),
355            Self::ServiceException(_inner) => _inner.fmt(f),
356            Self::TooManyRequestsException(_inner) => _inner.fmt(f),
357            Self::Unhandled(_inner) => {
358                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
359                    write!(f, "unhandled error ({code})")
360                } else {
361                    f.write_str("unhandled error")
362                }
363            }
364        }
365    }
366}
367impl ::aws_smithy_types::retry::ProvideErrorKind for GetFunctionError {
368    fn code(&self) -> ::std::option::Option<&str> {
369        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
370    }
371    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
372        ::std::option::Option::None
373    }
374}
375impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for GetFunctionError {
376    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
377        match self {
378            Self::InvalidParameterValueException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
379            Self::ResourceNotFoundException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
380            Self::ServiceException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
381            Self::TooManyRequestsException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
382            Self::Unhandled(_inner) => &_inner.meta,
383        }
384    }
385}
386impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for GetFunctionError {
387    fn create_unhandled_error(
388        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
389        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
390    ) -> Self {
391        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
392            source,
393            meta: meta.unwrap_or_default(),
394        })
395    }
396}
397impl ::aws_types::request_id::RequestId for crate::operation::get_function::GetFunctionError {
398    fn request_id(&self) -> Option<&str> {
399        self.meta().request_id()
400    }
401}
402
403pub use crate::operation::get_function::_get_function_output::GetFunctionOutput;
404
405pub use crate::operation::get_function::_get_function_input::GetFunctionInput;
406
407mod _get_function_input;
408
409mod _get_function_output;
410
411/// Builders
412pub mod builders;
aws_sdk_lambda/operation/get_function.rs

aws_sdk_lambda/operation/
get_function.rs
