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                GetFunctionTelemetryInputCaptureInterceptor,
129            ))
130            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
131                ::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default(),
132            ))
133            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
134                GetFunctionEndpointParamsInterceptor,
135            ))
136            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
137                crate::operation::get_function::GetFunctionError,
138            >::new())
139            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
140                crate::operation::get_function::GetFunctionError,
141            >::new())
142            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
143                crate::operation::get_function::GetFunctionError,
144            >::new());
145
146        ::std::borrow::Cow::Owned(rcb)
147    }
148}
149
150#[derive(Debug)]
151struct GetFunctionTelemetryInputCaptureInterceptor;
152
153#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
154impl ::aws_smithy_runtime_api::client::interceptors::Intercept for GetFunctionTelemetryInputCaptureInterceptor {
155    fn name(&self) -> &'static str {
156        "GetFunctionTelemetryInputCaptureInterceptor"
157    }
158
159    fn read_before_execution(
160        &self,
161        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
162            '_,
163            ::aws_smithy_runtime_api::client::interceptors::context::Input,
164            ::aws_smithy_runtime_api::client::interceptors::context::Output,
165            ::aws_smithy_runtime_api::client::interceptors::context::Error,
166        >,
167        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
168    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
169        // Nothing to do unless the customer opted in by naming members to record.
170        let ::std::option::Option::Some(requested) = cfg
171            .load::<::aws_smithy_types::telemetry::RequestedTelemetryAttributes>()
172            .filter(|r| !r.is_empty())
173        else {
174            return ::std::result::Result::Ok(());
175        };
176
177        let ::std::option::Option::Some(input) = context.input().downcast_ref::<GetFunctionInput>() else {
178            // A mismatched input is not this interceptor's concern; skip quietly.
179            return ::std::result::Result::Ok(());
180        };
181
182        let mut captured = ::aws_smithy_types::telemetry::CapturedTelemetryAttributes::default();
183        if requested.should_capture("FunctionName") {
184            if let ::std::option::Option::Some(value) = input.function_name.as_deref() {
185                captured.insert("FunctionName", value);
186            }
187        }
188        if requested.should_capture("Qualifier") {
189            if let ::std::option::Option::Some(value) = input.qualifier.as_deref() {
190                captured.insert("Qualifier", value);
191            }
192        }
193
194        cfg.interceptor_state().store_put(captured);
195        ::std::result::Result::Ok(())
196    }
197}
198#[derive(Debug)]
199struct GetFunctionResponseDeserializer;
200impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for GetFunctionResponseDeserializer {
201    fn deserialize_nonstreaming_with_config(
202        &self,
203        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
204        _cfg: &::aws_smithy_types::config_bag::ConfigBag,
205    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
206        let (success, status) = (response.status().is_success(), response.status().as_u16());
207        let headers = response.headers();
208        let body = response.body().bytes().expect("body loaded");
209        #[allow(unused_mut)]
210        let mut force_error = false;
211        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
212        let parse_result = if !success && status != 200 || force_error {
213            crate::protocol_serde::shape_get_function::de_get_function_http_error(status, headers, body)
214        } else {
215            crate::protocol_serde::shape_get_function::de_get_function_http_response(status, headers, body)
216        };
217        crate::protocol_serde::type_erase_result(parse_result)
218    }
219}
220#[derive(Debug)]
221struct GetFunctionRequestSerializer;
222impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for GetFunctionRequestSerializer {
223    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
224    fn serialize_input(
225        &self,
226        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
227        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
228    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
229        let input = input
230            .downcast::<crate::operation::get_function::GetFunctionInput>()
231            .expect("correct type");
232        let _header_serialization_settings = _cfg
233            .load::<crate::serialization_settings::HeaderSerializationSettings>()
234            .cloned()
235            .unwrap_or_default();
236        let mut request_builder = {
237            #[allow(clippy::uninlined_format_args)]
238            fn uri_base(
239                _input: &crate::operation::get_function::GetFunctionInput,
240                output: &mut ::std::string::String,
241            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
242                use ::std::fmt::Write as _;
243                let input_1 = &_input.function_name;
244                let input_1 = input_1
245                    .as_ref()
246                    .ok_or_else(|| ::aws_smithy_types::error::operation::BuildError::missing_field("function_name", "cannot be empty or unset"))?;
247                let function_name = ::aws_smithy_http::label::fmt_string(input_1, ::aws_smithy_http::label::EncodingStrategy::Default);
248                if function_name.is_empty() {
249                    return ::std::result::Result::Err(::aws_smithy_types::error::operation::BuildError::missing_field(
250                        "function_name",
251                        "cannot be empty or unset",
252                    ));
253                }
254                ::std::write!(output, "/2015-03-31/functions/{FunctionName}", FunctionName = function_name).expect("formatting should succeed");
255                ::std::result::Result::Ok(())
256            }
257            fn uri_query(
258                _input: &crate::operation::get_function::GetFunctionInput,
259                mut output: &mut ::std::string::String,
260            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
261                let mut query = ::aws_smithy_http::query::Writer::new(output);
262                if let ::std::option::Option::Some(inner_2) = &_input.qualifier {
263                    {
264                        query.push_kv("Qualifier", &::aws_smithy_http::query::fmt_string(inner_2));
265                    }
266                }
267                ::std::result::Result::Ok(())
268            }
269            #[allow(clippy::unnecessary_wraps)]
270            fn update_http_builder(
271                input: &crate::operation::get_function::GetFunctionInput,
272                builder: ::http_1x::request::Builder,
273            ) -> ::std::result::Result<::http_1x::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
274                let mut uri = ::std::string::String::new();
275                uri_base(input, &mut uri)?;
276                uri_query(input, &mut uri)?;
277                ::std::result::Result::Ok(builder.method("GET").uri(uri))
278            }
279            let mut builder = update_http_builder(&input, ::http_1x::request::Builder::new())?;
280            builder
281        };
282        let body = ::aws_smithy_types::body::SdkBody::from("");
283
284        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
285    }
286}
287#[derive(Debug)]
288struct GetFunctionEndpointParamsInterceptor;
289
290#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
291impl ::aws_smithy_runtime_api::client::interceptors::Intercept for GetFunctionEndpointParamsInterceptor {
292    fn name(&self) -> &'static str {
293        "GetFunctionEndpointParamsInterceptor"
294    }
295
296    fn read_before_execution(
297        &self,
298        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
299            '_,
300            ::aws_smithy_runtime_api::client::interceptors::context::Input,
301            ::aws_smithy_runtime_api::client::interceptors::context::Output,
302            ::aws_smithy_runtime_api::client::interceptors::context::Error,
303        >,
304        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
305    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
306        let _input = context
307            .input()
308            .downcast_ref::<GetFunctionInput>()
309            .ok_or("failed to downcast to GetFunctionInput")?;
310
311        let params = crate::config::endpoint::Params::builder()
312            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
313            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
314            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
315            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
316            .build()
317            .map_err(|err| {
318                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
319            })?;
320        cfg.interceptor_state()
321            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
322        ::std::result::Result::Ok(())
323    }
324}
325
326// The get_* functions below are generated from JMESPath expressions in the
327// operationContextParams trait. They target the operation's input shape.
328
329/// Error type for the `GetFunctionError` operation.
330#[non_exhaustive]
331#[derive(::std::fmt::Debug)]
332pub enum GetFunctionError {
333    /// <p>One of the parameters in the request is not valid.</p>
334    InvalidParameterValueException(crate::types::error::InvalidParameterValueException),
335    /// <p>The resource specified in the request does not exist.</p>
336    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
337    /// <p>The Lambda service encountered an internal error.</p>
338    ServiceException(crate::types::error::ServiceException),
339    /// <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>
340    TooManyRequestsException(crate::types::error::TooManyRequestsException),
341    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
342    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
343    variable wildcard pattern and check `.code()`:
344     \
345    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
346     \
347    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-GetFunctionError) for what information is available for the error.")]
348    Unhandled(crate::error::sealed_unhandled::Unhandled),
349}
350impl GetFunctionError {
351    /// Creates the `GetFunctionError::Unhandled` variant from any error type.
352    pub fn unhandled(
353        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
354    ) -> Self {
355        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
356            source: err.into(),
357            meta: ::std::default::Default::default(),
358        })
359    }
360
361    /// Creates the `GetFunctionError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
362    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
363        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
364            source: err.clone().into(),
365            meta: err,
366        })
367    }
368    ///
369    /// Returns error metadata, which includes the error code, message,
370    /// request ID, and potentially additional information.
371    ///
372    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
373        match self {
374            Self::InvalidParameterValueException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
375            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
376            Self::ServiceException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
377            Self::TooManyRequestsException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
378            Self::Unhandled(e) => &e.meta,
379        }
380    }
381    /// Returns `true` if the error kind is `GetFunctionError::InvalidParameterValueException`.
382    pub fn is_invalid_parameter_value_exception(&self) -> bool {
383        matches!(self, Self::InvalidParameterValueException(_))
384    }
385    /// Returns `true` if the error kind is `GetFunctionError::ResourceNotFoundException`.
386    pub fn is_resource_not_found_exception(&self) -> bool {
387        matches!(self, Self::ResourceNotFoundException(_))
388    }
389    /// Returns `true` if the error kind is `GetFunctionError::ServiceException`.
390    pub fn is_service_exception(&self) -> bool {
391        matches!(self, Self::ServiceException(_))
392    }
393    /// Returns `true` if the error kind is `GetFunctionError::TooManyRequestsException`.
394    pub fn is_too_many_requests_exception(&self) -> bool {
395        matches!(self, Self::TooManyRequestsException(_))
396    }
397}
398impl ::std::error::Error for GetFunctionError {
399    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
400        match self {
401            Self::InvalidParameterValueException(_inner) => ::std::option::Option::Some(_inner),
402            Self::ResourceNotFoundException(_inner) => ::std::option::Option::Some(_inner),
403            Self::ServiceException(_inner) => ::std::option::Option::Some(_inner),
404            Self::TooManyRequestsException(_inner) => ::std::option::Option::Some(_inner),
405            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
406        }
407    }
408}
409impl ::std::fmt::Display for GetFunctionError {
410    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
411        match self {
412            Self::InvalidParameterValueException(_inner) => _inner.fmt(f),
413            Self::ResourceNotFoundException(_inner) => _inner.fmt(f),
414            Self::ServiceException(_inner) => _inner.fmt(f),
415            Self::TooManyRequestsException(_inner) => _inner.fmt(f),
416            Self::Unhandled(_inner) => {
417                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
418                    write!(f, "unhandled error ({code})")
419                } else {
420                    f.write_str("unhandled error")
421                }
422            }
423        }
424    }
425}
426impl ::aws_smithy_types::retry::ProvideErrorKind for GetFunctionError {
427    fn code(&self) -> ::std::option::Option<&str> {
428        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
429    }
430    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
431        ::std::option::Option::None
432    }
433}
434impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for GetFunctionError {
435    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
436        match self {
437            Self::InvalidParameterValueException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
438            Self::ResourceNotFoundException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
439            Self::ServiceException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
440            Self::TooManyRequestsException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
441            Self::Unhandled(_inner) => &_inner.meta,
442        }
443    }
444}
445impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for GetFunctionError {
446    fn create_unhandled_error(
447        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
448        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
449    ) -> Self {
450        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
451            source,
452            meta: meta.unwrap_or_default(),
453        })
454    }
455}
456impl ::aws_types::request_id::RequestId for crate::operation::get_function::GetFunctionError {
457    fn request_id(&self) -> Option<&str> {
458        self.meta().request_id()
459    }
460}
461
462pub use crate::operation::get_function::_get_function_input::GetFunctionInput;
463
464pub use crate::operation::get_function::_get_function_output::GetFunctionOutput;
465
466mod _get_function_input;
467
468mod _get_function_output;
469
470/// Builders
471pub mod builders;
aws_sdk_lambda/operation/get_function.rs

aws_sdk_lambda/operation/
get_function.rs
