1use std::pin::Pin;
2use std::str::FromStr;
3use std::sync::Arc;
4
5use crate::ui::InstructionListItem;
6use anyhow::{Context as _, Result, anyhow};
7use aws_config::stalled_stream_protection::StalledStreamProtectionConfig;
8use aws_config::{BehaviorVersion, Region};
9use aws_credential_types::Credentials;
10use aws_http_client::AwsHttpClient;
11use bedrock::bedrock_client::Client as BedrockClient;
12use bedrock::bedrock_client::config::timeout::TimeoutConfig;
13use bedrock::bedrock_client::types::{
14 ContentBlockDelta, ContentBlockStart, ConverseStreamOutput, ReasoningContentBlockDelta,
15 StopReason,
16};
17use bedrock::{
18 BedrockAnyToolChoice, BedrockAutoToolChoice, BedrockBlob, BedrockError, BedrockInnerContent,
19 BedrockMessage, BedrockModelMode, BedrockStreamingResponse, BedrockThinkingBlock,
20 BedrockThinkingTextBlock, BedrockTool, BedrockToolChoice, BedrockToolConfig,
21 BedrockToolInputSchema, BedrockToolResultBlock, BedrockToolResultContentBlock,
22 BedrockToolResultStatus, BedrockToolSpec, BedrockToolUseBlock, Model, value_to_aws_document,
23};
24use collections::{BTreeMap, HashMap};
25use credentials_provider::CredentialsProvider;
26use editor::{Editor, EditorElement, EditorStyle};
27use futures::{FutureExt, Stream, StreamExt, future::BoxFuture, stream::BoxStream};
28use gpui::{
29 AnyView, App, AsyncApp, Context, Entity, FontStyle, FontWeight, Subscription, Task, TextStyle,
30 WhiteSpace,
31};
32use gpui_tokio::Tokio;
33use http_client::HttpClient;
34use language_model::{
35 AuthenticateError, LanguageModel, LanguageModelCacheConfiguration,
36 LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId, LanguageModelName,
37 LanguageModelProvider, LanguageModelProviderId, LanguageModelProviderName,
38 LanguageModelProviderState, LanguageModelRequest, LanguageModelToolChoice,
39 LanguageModelToolResultContent, LanguageModelToolUse, MessageContent, RateLimiter, Role,
40 TokenUsage,
41};
42use schemars::JsonSchema;
43use serde::{Deserialize, Serialize};
44use serde_json::Value;
45use settings::{Settings, SettingsStore};
46use smol::lock::OnceCell;
47use strum::{EnumIter, IntoEnumIterator, IntoStaticStr};
48use theme::ThemeSettings;
49use tokio::runtime::Handle;
50use ui::{Icon, IconName, List, Tooltip, prelude::*};
51use util::{ResultExt, default};
52
53use crate::AllLanguageModelSettings;
54
55const PROVIDER_ID: &str = "amazon-bedrock";
56const PROVIDER_NAME: &str = "Amazon Bedrock";
57
58#[derive(Default, Clone, Deserialize, Serialize, PartialEq, Debug)]
59pub struct BedrockCredentials {
60 pub access_key_id: String,
61 pub secret_access_key: String,
62 pub session_token: Option<String>,
63 pub region: String,
64}
65
66#[derive(Default, Clone, Debug, PartialEq)]
67pub struct AmazonBedrockSettings {
68 pub available_models: Vec<AvailableModel>,
69 pub region: Option<String>,
70 pub endpoint: Option<String>,
71 pub profile_name: Option<String>,
72 pub role_arn: Option<String>,
73 pub authentication_method: Option<BedrockAuthMethod>,
74}
75
76#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, EnumIter, IntoStaticStr, JsonSchema)]
77pub enum BedrockAuthMethod {
78 #[serde(rename = "named_profile")]
79 NamedProfile,
80 #[serde(rename = "sso")]
81 SingleSignOn,
82 /// IMDSv2, PodIdentity, env vars, etc.
83 #[serde(rename = "default")]
84 Automatic,
85}
86
87#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
88pub struct AvailableModel {
89 pub name: String,
90 pub display_name: Option<String>,
91 pub max_tokens: usize,
92 pub cache_configuration: Option<LanguageModelCacheConfiguration>,
93 pub max_output_tokens: Option<u32>,
94 pub default_temperature: Option<f32>,
95 pub mode: Option<ModelMode>,
96}
97
98#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
99#[serde(tag = "type", rename_all = "lowercase")]
100pub enum ModelMode {
101 #[default]
102 Default,
103 Thinking {
104 /// The maximum number of tokens to use for reasoning. Must be lower than the model's `max_output_tokens`.
105 budget_tokens: Option<u64>,
106 },
107}
108
109impl From<ModelMode> for BedrockModelMode {
110 fn from(value: ModelMode) -> Self {
111 match value {
112 ModelMode::Default => BedrockModelMode::Default,
113 ModelMode::Thinking { budget_tokens } => BedrockModelMode::Thinking { budget_tokens },
114 }
115 }
116}
117
118impl From<BedrockModelMode> for ModelMode {
119 fn from(value: BedrockModelMode) -> Self {
120 match value {
121 BedrockModelMode::Default => ModelMode::Default,
122 BedrockModelMode::Thinking { budget_tokens } => ModelMode::Thinking { budget_tokens },
123 }
124 }
125}
126
127/// The URL of the base AWS service.
128///
129/// Right now we're just using this as the key to store the AWS credentials
130/// under in the keychain.
131const AMAZON_AWS_URL: &str = "https://amazonaws.com";
132
133// These environment variables all use a `ZED_` prefix because we don't want to overwrite the user's AWS credentials.
134const ZED_BEDROCK_ACCESS_KEY_ID_VAR: &str = "ZED_ACCESS_KEY_ID";
135const ZED_BEDROCK_SECRET_ACCESS_KEY_VAR: &str = "ZED_SECRET_ACCESS_KEY";
136const ZED_BEDROCK_SESSION_TOKEN_VAR: &str = "ZED_SESSION_TOKEN";
137const ZED_AWS_PROFILE_VAR: &str = "ZED_AWS_PROFILE";
138const ZED_BEDROCK_REGION_VAR: &str = "ZED_AWS_REGION";
139const ZED_AWS_CREDENTIALS_VAR: &str = "ZED_AWS_CREDENTIALS";
140const ZED_AWS_ENDPOINT_VAR: &str = "ZED_AWS_ENDPOINT";
141
142pub struct State {
143 credentials: Option<BedrockCredentials>,
144 settings: Option<AmazonBedrockSettings>,
145 credentials_from_env: bool,
146 _subscription: Subscription,
147}
148
149impl State {
150 fn reset_credentials(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
151 let credentials_provider = <dyn CredentialsProvider>::global(cx);
152 cx.spawn(async move |this, cx| {
153 credentials_provider
154 .delete_credentials(AMAZON_AWS_URL, &cx)
155 .await
156 .log_err();
157 this.update(cx, |this, cx| {
158 this.credentials = None;
159 this.credentials_from_env = false;
160 this.settings = None;
161 cx.notify();
162 })
163 })
164 }
165
166 fn set_credentials(
167 &mut self,
168 credentials: BedrockCredentials,
169 cx: &mut Context<Self>,
170 ) -> Task<Result<()>> {
171 let credentials_provider = <dyn CredentialsProvider>::global(cx);
172 cx.spawn(async move |this, cx| {
173 credentials_provider
174 .write_credentials(
175 AMAZON_AWS_URL,
176 "Bearer",
177 &serde_json::to_vec(&credentials)?,
178 &cx,
179 )
180 .await?;
181 this.update(cx, |this, cx| {
182 this.credentials = Some(credentials);
183 cx.notify();
184 })
185 })
186 }
187
188 fn is_authenticated(&self) -> bool {
189 let derived = self
190 .settings
191 .as_ref()
192 .and_then(|s| s.authentication_method.as_ref());
193 let creds = self.credentials.as_ref();
194
195 derived.is_some() || creds.is_some()
196 }
197
198 fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
199 if self.is_authenticated() {
200 return Task::ready(Ok(()));
201 }
202
203 let credentials_provider = <dyn CredentialsProvider>::global(cx);
204 cx.spawn(async move |this, cx| {
205 let (credentials, from_env) =
206 if let Ok(credentials) = std::env::var(ZED_AWS_CREDENTIALS_VAR) {
207 (credentials, true)
208 } else {
209 let (_, credentials) = credentials_provider
210 .read_credentials(AMAZON_AWS_URL, &cx)
211 .await?
212 .ok_or_else(|| AuthenticateError::CredentialsNotFound)?;
213 (
214 String::from_utf8(credentials)
215 .context("invalid {PROVIDER_NAME} credentials")?,
216 false,
217 )
218 };
219
220 let credentials: BedrockCredentials =
221 serde_json::from_str(&credentials).context("failed to parse credentials")?;
222
223 this.update(cx, |this, cx| {
224 this.credentials = Some(credentials);
225 this.credentials_from_env = from_env;
226 cx.notify();
227 })?;
228
229 Ok(())
230 })
231 }
232}
233
234pub struct BedrockLanguageModelProvider {
235 http_client: AwsHttpClient,
236 handler: tokio::runtime::Handle,
237 state: gpui::Entity<State>,
238}
239
240impl BedrockLanguageModelProvider {
241 pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
242 let state = cx.new(|cx| State {
243 credentials: None,
244 settings: Some(AllLanguageModelSettings::get_global(cx).bedrock.clone()),
245 credentials_from_env: false,
246 _subscription: cx.observe_global::<SettingsStore>(|_, cx| {
247 cx.notify();
248 }),
249 });
250
251 let tokio_handle = Tokio::handle(cx);
252
253 let coerced_client = AwsHttpClient::new(http_client.clone(), tokio_handle.clone());
254
255 Self {
256 http_client: coerced_client,
257 handler: tokio_handle.clone(),
258 state,
259 }
260 }
261
262 fn create_language_model(&self, model: bedrock::Model) -> Arc<dyn LanguageModel> {
263 Arc::new(BedrockModel {
264 id: LanguageModelId::from(model.id().to_string()),
265 model,
266 http_client: self.http_client.clone(),
267 handler: self.handler.clone(),
268 state: self.state.clone(),
269 client: OnceCell::new(),
270 request_limiter: RateLimiter::new(4),
271 })
272 }
273}
274
275impl LanguageModelProvider for BedrockLanguageModelProvider {
276 fn id(&self) -> LanguageModelProviderId {
277 LanguageModelProviderId(PROVIDER_ID.into())
278 }
279
280 fn name(&self) -> LanguageModelProviderName {
281 LanguageModelProviderName(PROVIDER_NAME.into())
282 }
283
284 fn icon(&self) -> IconName {
285 IconName::AiBedrock
286 }
287
288 fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
289 Some(self.create_language_model(bedrock::Model::default()))
290 }
291
292 fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
293 Some(self.create_language_model(bedrock::Model::default_fast()))
294 }
295
296 fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
297 let mut models = BTreeMap::default();
298
299 for model in bedrock::Model::iter() {
300 if !matches!(model, bedrock::Model::Custom { .. }) {
301 // TODO: Sonnet 3.7 vs. 3.7 Thinking bug is here.
302 models.insert(model.id().to_string(), model);
303 }
304 }
305
306 // Override with available models from settings
307 for model in AllLanguageModelSettings::get_global(cx)
308 .bedrock
309 .available_models
310 .iter()
311 {
312 models.insert(
313 model.name.clone(),
314 bedrock::Model::Custom {
315 name: model.name.clone(),
316 display_name: model.display_name.clone(),
317 max_tokens: model.max_tokens,
318 max_output_tokens: model.max_output_tokens,
319 default_temperature: model.default_temperature,
320 },
321 );
322 }
323
324 models
325 .into_values()
326 .map(|model| self.create_language_model(model))
327 .collect()
328 }
329
330 fn is_authenticated(&self, cx: &App) -> bool {
331 self.state.read(cx).is_authenticated()
332 }
333
334 fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
335 self.state.update(cx, |state, cx| state.authenticate(cx))
336 }
337
338 fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
339 cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
340 .into()
341 }
342
343 fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
344 self.state
345 .update(cx, |state, cx| state.reset_credentials(cx))
346 }
347}
348
349impl LanguageModelProviderState for BedrockLanguageModelProvider {
350 type ObservableEntity = State;
351
352 fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
353 Some(self.state.clone())
354 }
355}
356
357struct BedrockModel {
358 id: LanguageModelId,
359 model: Model,
360 http_client: AwsHttpClient,
361 handler: tokio::runtime::Handle,
362 client: OnceCell<BedrockClient>,
363 state: gpui::Entity<State>,
364 request_limiter: RateLimiter,
365}
366
367impl BedrockModel {
368 fn get_or_init_client(&self, cx: &AsyncApp) -> Result<&BedrockClient, anyhow::Error> {
369 self.client
370 .get_or_try_init_blocking(|| {
371 let Ok((auth_method, credentials, endpoint, region, settings)) =
372 cx.read_entity(&self.state, |state, _cx| {
373 let auth_method = state
374 .settings
375 .as_ref()
376 .and_then(|s| s.authentication_method.clone());
377
378 let endpoint = state.settings.as_ref().and_then(|s| s.endpoint.clone());
379
380 let region = state
381 .settings
382 .as_ref()
383 .and_then(|s| s.region.clone())
384 .unwrap_or(String::from("us-east-1"));
385
386 (
387 auth_method,
388 state.credentials.clone(),
389 endpoint,
390 region,
391 state.settings.clone(),
392 )
393 })
394 else {
395 return Err(anyhow!("App state dropped"));
396 };
397
398 let mut config_builder = aws_config::defaults(BehaviorVersion::latest())
399 .stalled_stream_protection(StalledStreamProtectionConfig::disabled())
400 .http_client(self.http_client.clone())
401 .region(Region::new(region))
402 .timeout_config(TimeoutConfig::disabled());
403
404 if let Some(endpoint_url) = endpoint {
405 if !endpoint_url.is_empty() {
406 config_builder = config_builder.endpoint_url(endpoint_url);
407 }
408 }
409
410 match auth_method {
411 None => {
412 if let Some(creds) = credentials {
413 let aws_creds = Credentials::new(
414 creds.access_key_id,
415 creds.secret_access_key,
416 creds.session_token,
417 None,
418 "zed-bedrock-provider",
419 );
420 config_builder = config_builder.credentials_provider(aws_creds);
421 }
422 }
423 Some(BedrockAuthMethod::NamedProfile)
424 | Some(BedrockAuthMethod::SingleSignOn) => {
425 // Currently NamedProfile and SSO behave the same way but only the instructions change
426 // Until we support BearerAuth through SSO, this will not change.
427 let profile_name = settings
428 .and_then(|s| s.profile_name)
429 .unwrap_or_else(|| "default".to_string());
430
431 if !profile_name.is_empty() {
432 config_builder = config_builder.profile_name(profile_name);
433 }
434 }
435 Some(BedrockAuthMethod::Automatic) => {
436 // Use default credential provider chain
437 }
438 }
439
440 let config = self.handler.block_on(config_builder.load());
441 Ok(BedrockClient::new(&config))
442 })
443 .map_err(|err| anyhow!("Failed to initialize Bedrock client: {err}"))?;
444
445 self.client
446 .get()
447 .ok_or_else(|| anyhow!("Bedrock client not initialized"))
448 }
449
450 fn stream_completion(
451 &self,
452 request: bedrock::Request,
453 cx: &AsyncApp,
454 ) -> Result<
455 BoxFuture<'static, BoxStream<'static, Result<BedrockStreamingResponse, BedrockError>>>,
456 > {
457 let runtime_client = self
458 .get_or_init_client(cx)
459 .cloned()
460 .context("Bedrock client not initialized")?;
461 let owned_handle = self.handler.clone();
462
463 Ok(async move {
464 let request = bedrock::stream_completion(runtime_client, request, owned_handle);
465 request.await.unwrap_or_else(|e| {
466 futures::stream::once(async move { Err(BedrockError::ClientError(e)) }).boxed()
467 })
468 }
469 .boxed())
470 }
471}
472
473impl LanguageModel for BedrockModel {
474 fn id(&self) -> LanguageModelId {
475 self.id.clone()
476 }
477
478 fn name(&self) -> LanguageModelName {
479 LanguageModelName::from(self.model.display_name().to_string())
480 }
481
482 fn provider_id(&self) -> LanguageModelProviderId {
483 LanguageModelProviderId(PROVIDER_ID.into())
484 }
485
486 fn provider_name(&self) -> LanguageModelProviderName {
487 LanguageModelProviderName(PROVIDER_NAME.into())
488 }
489
490 fn supports_tools(&self) -> bool {
491 self.model.supports_tool_use()
492 }
493
494 fn supports_images(&self) -> bool {
495 false
496 }
497
498 fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
499 match choice {
500 LanguageModelToolChoice::Auto | LanguageModelToolChoice::Any => {
501 self.model.supports_tool_use()
502 }
503 LanguageModelToolChoice::None => false,
504 }
505 }
506
507 fn telemetry_id(&self) -> String {
508 format!("bedrock/{}", self.model.id())
509 }
510
511 fn max_token_count(&self) -> usize {
512 self.model.max_token_count()
513 }
514
515 fn max_output_tokens(&self) -> Option<u32> {
516 Some(self.model.max_output_tokens())
517 }
518
519 fn count_tokens(
520 &self,
521 request: LanguageModelRequest,
522 cx: &App,
523 ) -> BoxFuture<'static, Result<usize>> {
524 get_bedrock_tokens(request, cx)
525 }
526
527 fn stream_completion(
528 &self,
529 request: LanguageModelRequest,
530 cx: &AsyncApp,
531 ) -> BoxFuture<
532 'static,
533 Result<
534 BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
535 >,
536 > {
537 let Ok(region) = cx.read_entity(&self.state, |state, _cx| {
538 // Get region - from credentials or directly from settings
539 let region = state
540 .credentials
541 .as_ref()
542 .map(|s| s.region.clone())
543 .unwrap_or(String::from("us-east-1"));
544
545 region
546 }) else {
547 return async move { Err(anyhow!("App State Dropped")) }.boxed();
548 };
549
550 let model_id = match self.model.cross_region_inference_id(®ion) {
551 Ok(s) => s,
552 Err(e) => {
553 return async move { Err(e) }.boxed();
554 }
555 };
556
557 let request = match into_bedrock(
558 request,
559 model_id,
560 self.model.default_temperature(),
561 self.model.max_output_tokens(),
562 self.model.mode(),
563 ) {
564 Ok(request) => request,
565 Err(err) => return futures::future::ready(Err(err)).boxed(),
566 };
567
568 let owned_handle = self.handler.clone();
569
570 let request = self.stream_completion(request, cx);
571 let future = self.request_limiter.stream(async move {
572 let response = request.map_err(|err| anyhow!(err))?.await;
573 Ok(map_to_language_model_completion_events(
574 response,
575 owned_handle,
576 ))
577 });
578 async move { Ok(future.await?.boxed()) }.boxed()
579 }
580
581 fn cache_configuration(&self) -> Option<LanguageModelCacheConfiguration> {
582 None
583 }
584}
585
586pub fn into_bedrock(
587 request: LanguageModelRequest,
588 model: String,
589 default_temperature: f32,
590 max_output_tokens: u32,
591 mode: BedrockModelMode,
592) -> Result<bedrock::Request> {
593 let mut new_messages: Vec<BedrockMessage> = Vec::new();
594 let mut system_message = String::new();
595
596 for message in request.messages {
597 if message.contents_empty() {
598 continue;
599 }
600
601 match message.role {
602 Role::User | Role::Assistant => {
603 let bedrock_message_content: Vec<BedrockInnerContent> = message
604 .content
605 .into_iter()
606 .filter_map(|content| match content {
607 MessageContent::Text(text) => {
608 if !text.is_empty() {
609 Some(BedrockInnerContent::Text(text))
610 } else {
611 None
612 }
613 }
614 MessageContent::Thinking { text, signature } => {
615 let thinking = BedrockThinkingTextBlock::builder()
616 .text(text)
617 .set_signature(signature)
618 .build()
619 .context("failed to build reasoning block")
620 .log_err()?;
621
622 Some(BedrockInnerContent::ReasoningContent(
623 BedrockThinkingBlock::ReasoningText(thinking),
624 ))
625 }
626 MessageContent::RedactedThinking(blob) => {
627 let redacted =
628 BedrockThinkingBlock::RedactedContent(BedrockBlob::new(blob));
629
630 Some(BedrockInnerContent::ReasoningContent(redacted))
631 }
632 MessageContent::ToolUse(tool_use) => BedrockToolUseBlock::builder()
633 .name(tool_use.name.to_string())
634 .tool_use_id(tool_use.id.to_string())
635 .input(value_to_aws_document(&tool_use.input))
636 .build()
637 .context("failed to build Bedrock tool use block")
638 .log_err()
639 .map(BedrockInnerContent::ToolUse),
640 MessageContent::ToolResult(tool_result) => {
641 BedrockToolResultBlock::builder()
642 .tool_use_id(tool_result.tool_use_id.to_string())
643 .content(match tool_result.content {
644 LanguageModelToolResultContent::Text(text) => {
645 BedrockToolResultContentBlock::Text(text.to_string())
646 }
647 LanguageModelToolResultContent::Image(_) => {
648 BedrockToolResultContentBlock::Text(
649 // TODO: Bedrock image support
650 "[Tool responded with an image, but Zed doesn't support these in Bedrock models yet]".to_string()
651 )
652 }
653 })
654 .status({
655 if tool_result.is_error {
656 BedrockToolResultStatus::Error
657 } else {
658 BedrockToolResultStatus::Success
659 }
660 })
661 .build()
662 .context("failed to build Bedrock tool result block")
663 .log_err()
664 .map(BedrockInnerContent::ToolResult)
665 }
666 _ => None,
667 })
668 .collect();
669 let bedrock_role = match message.role {
670 Role::User => bedrock::BedrockRole::User,
671 Role::Assistant => bedrock::BedrockRole::Assistant,
672 Role::System => unreachable!("System role should never occur here"),
673 };
674 if let Some(last_message) = new_messages.last_mut() {
675 if last_message.role == bedrock_role {
676 last_message.content.extend(bedrock_message_content);
677 continue;
678 }
679 }
680 new_messages.push(
681 BedrockMessage::builder()
682 .role(bedrock_role)
683 .set_content(Some(bedrock_message_content))
684 .build()
685 .context("failed to build Bedrock message")?,
686 );
687 }
688 Role::System => {
689 if !system_message.is_empty() {
690 system_message.push_str("\n\n");
691 }
692 system_message.push_str(&message.string_contents());
693 }
694 }
695 }
696
697 let tool_spec: Vec<BedrockTool> = request
698 .tools
699 .iter()
700 .filter_map(|tool| {
701 Some(BedrockTool::ToolSpec(
702 BedrockToolSpec::builder()
703 .name(tool.name.clone())
704 .description(tool.description.clone())
705 .input_schema(BedrockToolInputSchema::Json(value_to_aws_document(
706 &tool.input_schema,
707 )))
708 .build()
709 .log_err()?,
710 ))
711 })
712 .collect();
713
714 let tool_choice = match request.tool_choice {
715 Some(LanguageModelToolChoice::Auto) | None => {
716 BedrockToolChoice::Auto(BedrockAutoToolChoice::builder().build())
717 }
718 Some(LanguageModelToolChoice::Any) => {
719 BedrockToolChoice::Any(BedrockAnyToolChoice::builder().build())
720 }
721 Some(LanguageModelToolChoice::None) => {
722 return Err(anyhow!("LanguageModelToolChoice::None is not supported"));
723 }
724 };
725 let tool_config: BedrockToolConfig = BedrockToolConfig::builder()
726 .set_tools(Some(tool_spec))
727 .tool_choice(tool_choice)
728 .build()?;
729
730 Ok(bedrock::Request {
731 model,
732 messages: new_messages,
733 max_tokens: max_output_tokens,
734 system: Some(system_message),
735 tools: Some(tool_config),
736 thinking: if let BedrockModelMode::Thinking { budget_tokens } = mode {
737 Some(bedrock::Thinking::Enabled { budget_tokens })
738 } else {
739 None
740 },
741 metadata: None,
742 stop_sequences: Vec::new(),
743 temperature: request.temperature.or(Some(default_temperature)),
744 top_k: None,
745 top_p: None,
746 })
747}
748
749// TODO: just call the ConverseOutput.usage() method:
750// https://docs.rs/aws-sdk-bedrockruntime/latest/aws_sdk_bedrockruntime/operation/converse/struct.ConverseOutput.html#method.output
751pub fn get_bedrock_tokens(
752 request: LanguageModelRequest,
753 cx: &App,
754) -> BoxFuture<'static, Result<usize>> {
755 cx.background_executor()
756 .spawn(async move {
757 let messages = request.messages;
758 let mut tokens_from_images = 0;
759 let mut string_messages = Vec::with_capacity(messages.len());
760
761 for message in messages {
762 use language_model::MessageContent;
763
764 let mut string_contents = String::new();
765
766 for content in message.content {
767 match content {
768 MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
769 string_contents.push_str(&text);
770 }
771 MessageContent::RedactedThinking(_) => {}
772 MessageContent::Image(image) => {
773 tokens_from_images += image.estimate_tokens();
774 }
775 MessageContent::ToolUse(_tool_use) => {
776 // TODO: Estimate token usage from tool uses.
777 }
778 MessageContent::ToolResult(tool_result) => match tool_result.content {
779 LanguageModelToolResultContent::Text(text) => {
780 string_contents.push_str(&text);
781 }
782 LanguageModelToolResultContent::Image(image) => {
783 tokens_from_images += image.estimate_tokens();
784 }
785 },
786 }
787 }
788
789 if !string_contents.is_empty() {
790 string_messages.push(tiktoken_rs::ChatCompletionRequestMessage {
791 role: match message.role {
792 Role::User => "user".into(),
793 Role::Assistant => "assistant".into(),
794 Role::System => "system".into(),
795 },
796 content: Some(string_contents),
797 name: None,
798 function_call: None,
799 });
800 }
801 }
802
803 // Tiktoken doesn't yet support these models, so we manually use the
804 // same tokenizer as GPT-4.
805 tiktoken_rs::num_tokens_from_messages("gpt-4", &string_messages)
806 .map(|tokens| tokens + tokens_from_images)
807 })
808 .boxed()
809}
810
811pub fn map_to_language_model_completion_events(
812 events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
813 handle: Handle,
814) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
815 struct RawToolUse {
816 id: String,
817 name: String,
818 input_json: String,
819 }
820
821 struct State {
822 events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
823 tool_uses_by_index: HashMap<i32, RawToolUse>,
824 }
825
826 futures::stream::unfold(
827 State {
828 events,
829 tool_uses_by_index: HashMap::default(),
830 },
831 move |mut state: State| {
832 let inner_handle = handle.clone();
833 async move {
834 inner_handle
835 .spawn(async {
836 while let Some(event) = state.events.next().await {
837 match event {
838 Ok(event) => match event {
839 ConverseStreamOutput::ContentBlockDelta(cb_delta) => {
840 match cb_delta.delta {
841 Some(ContentBlockDelta::Text(text_out)) => {
842 let completion_event =
843 LanguageModelCompletionEvent::Text(text_out);
844 return Some((Some(Ok(completion_event)), state));
845 }
846
847 Some(ContentBlockDelta::ToolUse(text_out)) => {
848 if let Some(tool_use) = state
849 .tool_uses_by_index
850 .get_mut(&cb_delta.content_block_index)
851 {
852 tool_use.input_json.push_str(text_out.input());
853 }
854 }
855
856 Some(ContentBlockDelta::ReasoningContent(thinking)) => {
857 match thinking {
858 ReasoningContentBlockDelta::RedactedContent(
859 redacted,
860 ) => {
861 let thinking_event =
862 LanguageModelCompletionEvent::Thinking {
863 text: String::from_utf8(
864 redacted.into_inner(),
865 )
866 .unwrap_or("REDACTED".to_string()),
867 signature: None,
868 };
869
870 return Some((
871 Some(Ok(thinking_event)),
872 state,
873 ));
874 }
875 ReasoningContentBlockDelta::Signature(
876 signature,
877 ) => {
878 return Some((
879 Some(Ok(LanguageModelCompletionEvent::Thinking {
880 text: "".to_string(),
881 signature: Some(signature)
882 })),
883 state,
884 ));
885 }
886 ReasoningContentBlockDelta::Text(thoughts) => {
887 let thinking_event =
888 LanguageModelCompletionEvent::Thinking {
889 text: thoughts.to_string(),
890 signature: None
891 };
892
893 return Some((
894 Some(Ok(thinking_event)),
895 state,
896 ));
897 }
898 _ => {}
899 }
900 }
901 _ => {}
902 }
903 }
904 ConverseStreamOutput::ContentBlockStart(cb_start) => {
905 if let Some(ContentBlockStart::ToolUse(text_out)) =
906 cb_start.start
907 {
908 let tool_use = RawToolUse {
909 id: text_out.tool_use_id,
910 name: text_out.name,
911 input_json: String::new(),
912 };
913
914 state
915 .tool_uses_by_index
916 .insert(cb_start.content_block_index, tool_use);
917 }
918 }
919 ConverseStreamOutput::ContentBlockStop(cb_stop) => {
920 if let Some(tool_use) = state
921 .tool_uses_by_index
922 .remove(&cb_stop.content_block_index)
923 {
924 let tool_use_event = LanguageModelToolUse {
925 id: tool_use.id.into(),
926 name: tool_use.name.into(),
927 is_input_complete: true,
928 raw_input: tool_use.input_json.clone(),
929 input: if tool_use.input_json.is_empty() {
930 Value::Null
931 } else {
932 serde_json::Value::from_str(
933 &tool_use.input_json,
934 )
935 .map_err(|err| anyhow!(err))
936 .unwrap()
937 },
938 };
939
940 return Some((
941 Some(Ok(LanguageModelCompletionEvent::ToolUse(
942 tool_use_event,
943 ))),
944 state,
945 ));
946 }
947 }
948
949 ConverseStreamOutput::Metadata(cb_meta) => {
950 if let Some(metadata) = cb_meta.usage {
951 let completion_event =
952 LanguageModelCompletionEvent::UsageUpdate(
953 TokenUsage {
954 input_tokens: metadata.input_tokens as u32,
955 output_tokens: metadata.output_tokens
956 as u32,
957 cache_creation_input_tokens: default(),
958 cache_read_input_tokens: default(),
959 },
960 );
961 return Some((Some(Ok(completion_event)), state));
962 }
963 }
964 ConverseStreamOutput::MessageStop(message_stop) => {
965 let reason = match message_stop.stop_reason {
966 StopReason::ContentFiltered => {
967 LanguageModelCompletionEvent::Stop(
968 language_model::StopReason::EndTurn,
969 )
970 }
971 StopReason::EndTurn => {
972 LanguageModelCompletionEvent::Stop(
973 language_model::StopReason::EndTurn,
974 )
975 }
976 StopReason::GuardrailIntervened => {
977 LanguageModelCompletionEvent::Stop(
978 language_model::StopReason::EndTurn,
979 )
980 }
981 StopReason::MaxTokens => {
982 LanguageModelCompletionEvent::Stop(
983 language_model::StopReason::EndTurn,
984 )
985 }
986 StopReason::StopSequence => {
987 LanguageModelCompletionEvent::Stop(
988 language_model::StopReason::EndTurn,
989 )
990 }
991 StopReason::ToolUse => {
992 LanguageModelCompletionEvent::Stop(
993 language_model::StopReason::ToolUse,
994 )
995 }
996 _ => LanguageModelCompletionEvent::Stop(
997 language_model::StopReason::EndTurn,
998 ),
999 };
1000 return Some((Some(Ok(reason)), state));
1001 }
1002 _ => {}
1003 },
1004
1005 Err(err) => return Some((Some(Err(anyhow!(err).into())), state)),
1006 }
1007 }
1008 None
1009 })
1010 .await
1011 .log_err()
1012 .flatten()
1013 }
1014 },
1015 )
1016 .filter_map(|event| async move { event })
1017}
1018
1019struct ConfigurationView {
1020 access_key_id_editor: Entity<Editor>,
1021 secret_access_key_editor: Entity<Editor>,
1022 session_token_editor: Entity<Editor>,
1023 region_editor: Entity<Editor>,
1024 state: gpui::Entity<State>,
1025 load_credentials_task: Option<Task<()>>,
1026}
1027
1028impl ConfigurationView {
1029 const PLACEHOLDER_ACCESS_KEY_ID_TEXT: &'static str = "XXXXXXXXXXXXXXXX";
1030 const PLACEHOLDER_SECRET_ACCESS_KEY_TEXT: &'static str =
1031 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1032 const PLACEHOLDER_SESSION_TOKEN_TEXT: &'static str = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1033 const PLACEHOLDER_REGION: &'static str = "us-east-1";
1034
1035 fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
1036 cx.observe(&state, |_, _, cx| {
1037 cx.notify();
1038 })
1039 .detach();
1040
1041 let load_credentials_task = Some(cx.spawn({
1042 let state = state.clone();
1043 async move |this, cx| {
1044 if let Some(task) = state
1045 .update(cx, |state, cx| state.authenticate(cx))
1046 .log_err()
1047 {
1048 // We don't log an error, because "not signed in" is also an error.
1049 let _ = task.await;
1050 }
1051 this.update(cx, |this, cx| {
1052 this.load_credentials_task = None;
1053 cx.notify();
1054 })
1055 .log_err();
1056 }
1057 }));
1058
1059 Self {
1060 access_key_id_editor: cx.new(|cx| {
1061 let mut editor = Editor::single_line(window, cx);
1062 editor.set_placeholder_text(Self::PLACEHOLDER_ACCESS_KEY_ID_TEXT, cx);
1063 editor
1064 }),
1065 secret_access_key_editor: cx.new(|cx| {
1066 let mut editor = Editor::single_line(window, cx);
1067 editor.set_placeholder_text(Self::PLACEHOLDER_SECRET_ACCESS_KEY_TEXT, cx);
1068 editor
1069 }),
1070 session_token_editor: cx.new(|cx| {
1071 let mut editor = Editor::single_line(window, cx);
1072 editor.set_placeholder_text(Self::PLACEHOLDER_SESSION_TOKEN_TEXT, cx);
1073 editor
1074 }),
1075 region_editor: cx.new(|cx| {
1076 let mut editor = Editor::single_line(window, cx);
1077 editor.set_placeholder_text(Self::PLACEHOLDER_REGION, cx);
1078 editor
1079 }),
1080 state,
1081 load_credentials_task,
1082 }
1083 }
1084
1085 fn save_credentials(
1086 &mut self,
1087 _: &menu::Confirm,
1088 _window: &mut Window,
1089 cx: &mut Context<Self>,
1090 ) {
1091 let access_key_id = self
1092 .access_key_id_editor
1093 .read(cx)
1094 .text(cx)
1095 .to_string()
1096 .trim()
1097 .to_string();
1098 let secret_access_key = self
1099 .secret_access_key_editor
1100 .read(cx)
1101 .text(cx)
1102 .to_string()
1103 .trim()
1104 .to_string();
1105 let session_token = self
1106 .session_token_editor
1107 .read(cx)
1108 .text(cx)
1109 .to_string()
1110 .trim()
1111 .to_string();
1112 let session_token = if session_token.is_empty() {
1113 None
1114 } else {
1115 Some(session_token)
1116 };
1117 let region = self
1118 .region_editor
1119 .read(cx)
1120 .text(cx)
1121 .to_string()
1122 .trim()
1123 .to_string();
1124 let region = if region.is_empty() {
1125 "us-east-1".to_string()
1126 } else {
1127 region
1128 };
1129
1130 let state = self.state.clone();
1131 cx.spawn(async move |_, cx| {
1132 state
1133 .update(cx, |state, cx| {
1134 let credentials: BedrockCredentials = BedrockCredentials {
1135 region: region.clone(),
1136 access_key_id: access_key_id.clone(),
1137 secret_access_key: secret_access_key.clone(),
1138 session_token: session_token.clone(),
1139 };
1140
1141 state.set_credentials(credentials, cx)
1142 })?
1143 .await
1144 })
1145 .detach_and_log_err(cx);
1146 }
1147
1148 fn reset_credentials(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1149 self.access_key_id_editor
1150 .update(cx, |editor, cx| editor.set_text("", window, cx));
1151 self.secret_access_key_editor
1152 .update(cx, |editor, cx| editor.set_text("", window, cx));
1153 self.session_token_editor
1154 .update(cx, |editor, cx| editor.set_text("", window, cx));
1155 self.region_editor
1156 .update(cx, |editor, cx| editor.set_text("", window, cx));
1157
1158 let state = self.state.clone();
1159 cx.spawn(async move |_, cx| {
1160 state
1161 .update(cx, |state, cx| state.reset_credentials(cx))?
1162 .await
1163 })
1164 .detach_and_log_err(cx);
1165 }
1166
1167 fn make_text_style(&self, cx: &Context<Self>) -> TextStyle {
1168 let settings = ThemeSettings::get_global(cx);
1169 TextStyle {
1170 color: cx.theme().colors().text,
1171 font_family: settings.ui_font.family.clone(),
1172 font_features: settings.ui_font.features.clone(),
1173 font_fallbacks: settings.ui_font.fallbacks.clone(),
1174 font_size: rems(0.875).into(),
1175 font_weight: settings.ui_font.weight,
1176 font_style: FontStyle::Normal,
1177 line_height: relative(1.3),
1178 background_color: None,
1179 underline: None,
1180 strikethrough: None,
1181 white_space: WhiteSpace::Normal,
1182 text_overflow: None,
1183 text_align: Default::default(),
1184 line_clamp: None,
1185 }
1186 }
1187
1188 fn make_input_styles(&self, cx: &Context<Self>) -> Div {
1189 let bg_color = cx.theme().colors().editor_background;
1190 let border_color = cx.theme().colors().border;
1191
1192 h_flex()
1193 .w_full()
1194 .px_2()
1195 .py_1()
1196 .bg(bg_color)
1197 .border_1()
1198 .border_color(border_color)
1199 .rounded_sm()
1200 }
1201
1202 fn should_render_editor(&self, cx: &Context<Self>) -> bool {
1203 self.state.read(cx).is_authenticated()
1204 }
1205}
1206
1207impl Render for ConfigurationView {
1208 fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1209 let env_var_set = self.state.read(cx).credentials_from_env;
1210 let bedrock_settings = self.state.read(cx).settings.as_ref();
1211 let bedrock_method = bedrock_settings
1212 .as_ref()
1213 .and_then(|s| s.authentication_method.clone());
1214
1215 if self.load_credentials_task.is_some() {
1216 return div().child(Label::new("Loading credentials...")).into_any();
1217 }
1218
1219 if self.should_render_editor(cx) {
1220 return h_flex()
1221 .mt_1()
1222 .p_1()
1223 .justify_between()
1224 .rounded_md()
1225 .border_1()
1226 .border_color(cx.theme().colors().border)
1227 .bg(cx.theme().colors().background)
1228 .child(
1229 h_flex()
1230 .gap_1()
1231 .child(Icon::new(IconName::Check).color(Color::Success))
1232 .child(Label::new(if env_var_set {
1233 format!("Access Key ID is set in {ZED_BEDROCK_ACCESS_KEY_ID_VAR}, Secret Key is set in {ZED_BEDROCK_SECRET_ACCESS_KEY_VAR}, Region is set in {ZED_BEDROCK_REGION_VAR} environment variables.")
1234 } else {
1235 match bedrock_method {
1236 Some(BedrockAuthMethod::Automatic) => "You are using automatic credentials".into(),
1237 Some(BedrockAuthMethod::NamedProfile) => {
1238 "You are using named profile".into()
1239 },
1240 Some(BedrockAuthMethod::SingleSignOn) => "You are using a single sign on profile".into(),
1241 None => "You are using static credentials".into(),
1242 }
1243 })),
1244 )
1245 .child(
1246 Button::new("reset-key", "Reset Key")
1247 .icon(Some(IconName::Trash))
1248 .icon_size(IconSize::Small)
1249 .icon_position(IconPosition::Start)
1250 .disabled(env_var_set || bedrock_method.is_some())
1251 .when(env_var_set, |this| {
1252 this.tooltip(Tooltip::text(format!("To reset your credentials, unset the {ZED_BEDROCK_ACCESS_KEY_ID_VAR}, {ZED_BEDROCK_SECRET_ACCESS_KEY_VAR}, and {ZED_BEDROCK_REGION_VAR} environment variables.")))
1253 })
1254 .when(bedrock_method.is_some(), |this| {
1255 this.tooltip(Tooltip::text("You cannot reset credentials as they're being derived, check Zed settings to understand how"))
1256 })
1257 .on_click(cx.listener(|this, _, window, cx| this.reset_credentials(window, cx))),
1258 )
1259 .into_any();
1260 }
1261
1262 v_flex()
1263 .size_full()
1264 .on_action(cx.listener(ConfigurationView::save_credentials))
1265 .child(Label::new("To use Zed's assistant with Bedrock, you can set a custom authentication strategy through the settings.json, or use static credentials."))
1266 .child(Label::new("But, to access models on AWS, you need to:").mt_1())
1267 .child(
1268 List::new()
1269 .child(
1270 InstructionListItem::new(
1271 "Grant permissions to the strategy you'll use according to the:",
1272 Some("Prerequisites"),
1273 Some("https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html"),
1274 )
1275 )
1276 .child(
1277 InstructionListItem::new(
1278 "Select the models you would like access to:",
1279 Some("Bedrock Model Catalog"),
1280 Some("https://us-east-1.console.aws.amazon.com/bedrock/home?region=us-east-1#/modelaccess"),
1281 )
1282 )
1283 )
1284 .child(self.render_static_credentials_ui(cx))
1285 .child(self.render_common_fields(cx))
1286 .child(
1287 Label::new(
1288 format!("You can also assign the {ZED_BEDROCK_ACCESS_KEY_ID_VAR}, {ZED_BEDROCK_SECRET_ACCESS_KEY_VAR} AND {ZED_BEDROCK_REGION_VAR} environment variables and restart Zed."),
1289 )
1290 .size(LabelSize::Small)
1291 .color(Color::Muted)
1292 .my_1(),
1293 )
1294 .child(
1295 Label::new(
1296 format!("Optionally, if your environment uses AWS CLI profiles, you can set {ZED_AWS_PROFILE_VAR}; if it requires a custom endpoint, you can set {ZED_AWS_ENDPOINT_VAR}; and if it requires a Session Token, you can set {ZED_BEDROCK_SESSION_TOKEN_VAR}."),
1297 )
1298 .size(LabelSize::Small)
1299 .color(Color::Muted),
1300 )
1301 .into_any()
1302 }
1303}
1304
1305impl ConfigurationView {
1306 fn render_access_key_id_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
1307 let text_style = self.make_text_style(cx);
1308
1309 EditorElement::new(
1310 &self.access_key_id_editor,
1311 EditorStyle {
1312 background: cx.theme().colors().editor_background,
1313 local_player: cx.theme().players().local(),
1314 text: text_style,
1315 ..Default::default()
1316 },
1317 )
1318 }
1319
1320 fn render_secret_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
1321 let text_style = self.make_text_style(cx);
1322
1323 EditorElement::new(
1324 &self.secret_access_key_editor,
1325 EditorStyle {
1326 background: cx.theme().colors().editor_background,
1327 local_player: cx.theme().players().local(),
1328 text: text_style,
1329 ..Default::default()
1330 },
1331 )
1332 }
1333
1334 fn render_session_token_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
1335 let text_style = self.make_text_style(cx);
1336
1337 EditorElement::new(
1338 &self.session_token_editor,
1339 EditorStyle {
1340 background: cx.theme().colors().editor_background,
1341 local_player: cx.theme().players().local(),
1342 text: text_style,
1343 ..Default::default()
1344 },
1345 )
1346 }
1347
1348 fn render_region_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
1349 let text_style = self.make_text_style(cx);
1350
1351 EditorElement::new(
1352 &self.region_editor,
1353 EditorStyle {
1354 background: cx.theme().colors().editor_background,
1355 local_player: cx.theme().players().local(),
1356 text: text_style,
1357 ..Default::default()
1358 },
1359 )
1360 }
1361
1362 fn render_static_credentials_ui(&self, cx: &mut Context<Self>) -> AnyElement {
1363 v_flex()
1364 .my_2()
1365 .gap_1p5()
1366 .child(
1367 Label::new("Static Keys")
1368 .size(LabelSize::Default)
1369 .weight(FontWeight::BOLD),
1370 )
1371 .child(
1372 Label::new(
1373 "This method uses your AWS access key ID and secret access key directly.",
1374 )
1375 )
1376 .child(
1377 List::new()
1378 .child(InstructionListItem::new(
1379 "Create an IAM user in the AWS console with programmatic access",
1380 Some("IAM Console"),
1381 Some("https://us-east-1.console.aws.amazon.com/iam/home?region=us-east-1#/users"),
1382 ))
1383 .child(InstructionListItem::new(
1384 "Attach the necessary Bedrock permissions to this ",
1385 Some("user"),
1386 Some("https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html"),
1387 ))
1388 .child(InstructionListItem::text_only(
1389 "Copy the access key ID and secret access key when provided",
1390 ))
1391 .child(InstructionListItem::text_only(
1392 "Enter these credentials below",
1393 )),
1394 )
1395 .child(
1396 v_flex()
1397 .gap_0p5()
1398 .child(Label::new("Access Key ID").size(LabelSize::Small))
1399 .child(
1400 self.make_input_styles(cx)
1401 .child(self.render_access_key_id_editor(cx)),
1402 ),
1403 )
1404 .child(
1405 v_flex()
1406 .gap_0p5()
1407 .child(Label::new("Secret Access Key").size(LabelSize::Small))
1408 .child(self.make_input_styles(cx).child(self.render_secret_key_editor(cx))),
1409 )
1410 .child(
1411 v_flex()
1412 .gap_0p5()
1413 .child(Label::new("Session Token (Optional)").size(LabelSize::Small))
1414 .child(
1415 self.make_input_styles(cx)
1416 .child(self.render_session_token_editor(cx)),
1417 ),
1418 )
1419 .into_any_element()
1420 }
1421
1422 fn render_common_fields(&self, cx: &mut Context<Self>) -> AnyElement {
1423 v_flex()
1424 .gap_0p5()
1425 .child(Label::new("Region").size(LabelSize::Small))
1426 .child(
1427 self.make_input_styles(cx)
1428 .child(self.render_region_editor(cx)),
1429 )
1430 .into_any_element()
1431 }
1432}