bedrock.rs

   1use std::pin::Pin;
   2use std::str::FromStr;
   3use std::sync::Arc;
   4
   5use anyhow::{Context as _, Result, anyhow};
   6use aws_config::stalled_stream_protection::StalledStreamProtectionConfig;
   7use aws_config::{BehaviorVersion, Region};
   8use aws_credential_types::{Credentials, Token};
   9use aws_http_client::AwsHttpClient;
  10use bedrock::bedrock_client::Client as BedrockClient;
  11use bedrock::bedrock_client::config::timeout::TimeoutConfig;
  12use bedrock::bedrock_client::types::{
  13    CachePointBlock, CachePointType, ContentBlockDelta, ContentBlockStart, ConverseStreamOutput,
  14    ReasoningContentBlockDelta, StopReason,
  15};
  16use bedrock::{
  17    BedrockAnyToolChoice, BedrockAutoToolChoice, BedrockBlob, BedrockError, BedrockInnerContent,
  18    BedrockMessage, BedrockModelMode, BedrockStreamingResponse, BedrockThinkingBlock,
  19    BedrockThinkingTextBlock, BedrockTool, BedrockToolChoice, BedrockToolConfig,
  20    BedrockToolInputSchema, BedrockToolResultBlock, BedrockToolResultContentBlock,
  21    BedrockToolResultStatus, BedrockToolSpec, BedrockToolUseBlock, Model, value_to_aws_document,
  22};
  23use collections::{BTreeMap, HashMap};
  24use credentials_provider::CredentialsProvider;
  25use futures::{FutureExt, Stream, StreamExt, future::BoxFuture, stream::BoxStream};
  26use gpui::{
  27    AnyView, App, AsyncApp, Context, Entity, FocusHandle, Subscription, Task, Window, actions,
  28};
  29use gpui_tokio::Tokio;
  30use http_client::HttpClient;
  31use language_model::{
  32    AuthenticateError, EnvVar, IconOrSvg, LanguageModel, LanguageModelCacheConfiguration,
  33    LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId, LanguageModelName,
  34    LanguageModelProvider, LanguageModelProviderId, LanguageModelProviderName,
  35    LanguageModelProviderState, LanguageModelRequest, LanguageModelToolChoice,
  36    LanguageModelToolResultContent, LanguageModelToolUse, MessageContent, RateLimiter, Role,
  37    TokenUsage, env_var,
  38};
  39use schemars::JsonSchema;
  40use serde::{Deserialize, Serialize};
  41use serde_json::Value;
  42use settings::{BedrockAvailableModel as AvailableModel, Settings, SettingsStore};
  43use smol::lock::OnceCell;
  44use std::sync::LazyLock;
  45use strum::{EnumIter, IntoEnumIterator, IntoStaticStr};
  46use ui::{ButtonLink, ConfiguredApiCard, Divider, List, ListBulletItem, prelude::*};
  47use ui_input::InputField;
  48use util::ResultExt;
  49
  50use crate::AllLanguageModelSettings;
  51
  52actions!(bedrock, [Tab, TabPrev]);
  53
  54const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("amazon-bedrock");
  55const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Amazon Bedrock");
  56
  57/// Credentials stored in the keychain for static authentication.
  58/// Region is handled separately since it's orthogonal to auth method.
  59#[derive(Default, Clone, Deserialize, Serialize, PartialEq, Debug)]
  60pub struct BedrockCredentials {
  61    pub access_key_id: String,
  62    pub secret_access_key: String,
  63    pub session_token: Option<String>,
  64    pub bearer_token: Option<String>,
  65}
  66
  67/// Resolved authentication configuration for Bedrock.
  68/// Settings take priority over UX-provided credentials.
  69#[derive(Clone, Debug, PartialEq)]
  70pub enum BedrockAuth {
  71    /// Use default AWS credential provider chain (IMDSv2, PodIdentity, env vars, etc.)
  72    Automatic,
  73    /// Use AWS named profile from ~/.aws/credentials or ~/.aws/config
  74    NamedProfile { profile_name: String },
  75    /// Use AWS SSO profile
  76    SingleSignOn { profile_name: String },
  77    /// Use IAM credentials (access key + secret + optional session token)
  78    IamCredentials {
  79        access_key_id: String,
  80        secret_access_key: String,
  81        session_token: Option<String>,
  82    },
  83    /// Use Bedrock API Key (bearer token authentication)
  84    ApiKey { api_key: String },
  85}
  86
  87impl BedrockCredentials {
  88    /// Convert stored credentials to the appropriate auth variant.
  89    /// Prefers API key if present, otherwise uses IAM credentials.
  90    fn into_auth(self) -> Option<BedrockAuth> {
  91        if let Some(api_key) = self.bearer_token.filter(|t| !t.is_empty()) {
  92            Some(BedrockAuth::ApiKey { api_key })
  93        } else if !self.access_key_id.is_empty() && !self.secret_access_key.is_empty() {
  94            Some(BedrockAuth::IamCredentials {
  95                access_key_id: self.access_key_id,
  96                secret_access_key: self.secret_access_key,
  97                session_token: self.session_token.filter(|t| !t.is_empty()),
  98            })
  99        } else {
 100            None
 101        }
 102    }
 103}
 104
 105#[derive(Default, Clone, Debug, PartialEq)]
 106pub struct AmazonBedrockSettings {
 107    pub available_models: Vec<AvailableModel>,
 108    pub region: Option<String>,
 109    pub endpoint: Option<String>,
 110    pub profile_name: Option<String>,
 111    pub role_arn: Option<String>,
 112    pub authentication_method: Option<BedrockAuthMethod>,
 113    pub allow_global: Option<bool>,
 114}
 115
 116#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, EnumIter, IntoStaticStr, JsonSchema)]
 117pub enum BedrockAuthMethod {
 118    #[serde(rename = "named_profile")]
 119    NamedProfile,
 120    #[serde(rename = "sso")]
 121    SingleSignOn,
 122    #[serde(rename = "api_key")]
 123    ApiKey,
 124    /// IMDSv2, PodIdentity, env vars, etc.
 125    #[serde(rename = "default")]
 126    Automatic,
 127}
 128
 129impl From<settings::BedrockAuthMethodContent> for BedrockAuthMethod {
 130    fn from(value: settings::BedrockAuthMethodContent) -> Self {
 131        match value {
 132            settings::BedrockAuthMethodContent::SingleSignOn => BedrockAuthMethod::SingleSignOn,
 133            settings::BedrockAuthMethodContent::Automatic => BedrockAuthMethod::Automatic,
 134            settings::BedrockAuthMethodContent::NamedProfile => BedrockAuthMethod::NamedProfile,
 135            settings::BedrockAuthMethodContent::ApiKey => BedrockAuthMethod::ApiKey,
 136        }
 137    }
 138}
 139
 140#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 141#[serde(tag = "type", rename_all = "lowercase")]
 142pub enum ModelMode {
 143    #[default]
 144    Default,
 145    Thinking {
 146        /// The maximum number of tokens to use for reasoning. Must be lower than the model's `max_output_tokens`.
 147        budget_tokens: Option<u64>,
 148    },
 149}
 150
 151impl From<ModelMode> for BedrockModelMode {
 152    fn from(value: ModelMode) -> Self {
 153        match value {
 154            ModelMode::Default => BedrockModelMode::Default,
 155            ModelMode::Thinking { budget_tokens } => BedrockModelMode::Thinking { budget_tokens },
 156        }
 157    }
 158}
 159
 160impl From<BedrockModelMode> for ModelMode {
 161    fn from(value: BedrockModelMode) -> Self {
 162        match value {
 163            BedrockModelMode::Default => ModelMode::Default,
 164            BedrockModelMode::Thinking { budget_tokens } => ModelMode::Thinking { budget_tokens },
 165        }
 166    }
 167}
 168
 169/// The URL of the base AWS service.
 170///
 171/// Right now we're just using this as the key to store the AWS credentials
 172/// under in the keychain.
 173const AMAZON_AWS_URL: &str = "https://amazonaws.com";
 174
 175// These environment variables all use a `ZED_` prefix because we don't want to overwrite the user's AWS credentials.
 176static ZED_BEDROCK_ACCESS_KEY_ID_VAR: LazyLock<EnvVar> = env_var!("ZED_ACCESS_KEY_ID");
 177static ZED_BEDROCK_SECRET_ACCESS_KEY_VAR: LazyLock<EnvVar> = env_var!("ZED_SECRET_ACCESS_KEY");
 178static ZED_BEDROCK_SESSION_TOKEN_VAR: LazyLock<EnvVar> = env_var!("ZED_SESSION_TOKEN");
 179static ZED_AWS_PROFILE_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_PROFILE");
 180static ZED_BEDROCK_REGION_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_REGION");
 181static ZED_AWS_ENDPOINT_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_ENDPOINT");
 182static ZED_BEDROCK_BEARER_TOKEN_VAR: LazyLock<EnvVar> = env_var!("ZED_BEDROCK_BEARER_TOKEN");
 183
 184pub struct State {
 185    /// The resolved authentication method. Settings take priority over UX credentials.
 186    auth: Option<BedrockAuth>,
 187    /// Raw settings from settings.json
 188    settings: Option<AmazonBedrockSettings>,
 189    /// Whether credentials came from environment variables (only relevant for static credentials)
 190    credentials_from_env: bool,
 191    _subscription: Subscription,
 192}
 193
 194impl State {
 195    fn reset_auth(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
 196        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 197        cx.spawn(async move |this, cx| {
 198            credentials_provider
 199                .delete_credentials(AMAZON_AWS_URL, cx)
 200                .await
 201                .log_err();
 202            this.update(cx, |this, cx| {
 203                this.auth = None;
 204                this.credentials_from_env = false;
 205                cx.notify();
 206            })
 207        })
 208    }
 209
 210    fn set_static_credentials(
 211        &mut self,
 212        credentials: BedrockCredentials,
 213        cx: &mut Context<Self>,
 214    ) -> Task<Result<()>> {
 215        let auth = credentials.clone().into_auth();
 216        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 217        cx.spawn(async move |this, cx| {
 218            credentials_provider
 219                .write_credentials(
 220                    AMAZON_AWS_URL,
 221                    "Bearer",
 222                    &serde_json::to_vec(&credentials)?,
 223                    cx,
 224                )
 225                .await?;
 226            this.update(cx, |this, cx| {
 227                this.auth = auth;
 228                this.credentials_from_env = false;
 229                cx.notify();
 230            })
 231        })
 232    }
 233
 234    fn is_authenticated(&self) -> bool {
 235        self.auth.is_some()
 236    }
 237
 238    /// Resolve authentication. Settings take priority over UX-provided credentials.
 239    fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
 240        if self.is_authenticated() {
 241            return Task::ready(Ok(()));
 242        }
 243
 244        // Step 1: Check if settings specify an auth method (enterprise control)
 245        if let Some(settings) = &self.settings {
 246            if let Some(method) = &settings.authentication_method {
 247                let profile_name = settings
 248                    .profile_name
 249                    .clone()
 250                    .unwrap_or_else(|| "default".to_string());
 251
 252                let auth = match method {
 253                    BedrockAuthMethod::Automatic => BedrockAuth::Automatic,
 254                    BedrockAuthMethod::NamedProfile => BedrockAuth::NamedProfile { profile_name },
 255                    BedrockAuthMethod::SingleSignOn => BedrockAuth::SingleSignOn { profile_name },
 256                    BedrockAuthMethod::ApiKey => {
 257                        // ApiKey method means "use static credentials from keychain/env"
 258                        // Fall through to load them below
 259                        return self.load_static_credentials(cx);
 260                    }
 261                };
 262
 263                return cx.spawn(async move |this, cx| {
 264                    this.update(cx, |this, cx| {
 265                        this.auth = Some(auth);
 266                        this.credentials_from_env = false;
 267                        cx.notify();
 268                    })?;
 269                    Ok(())
 270                });
 271            }
 272        }
 273
 274        // Step 2: No settings auth method - try to load static credentials
 275        self.load_static_credentials(cx)
 276    }
 277
 278    /// Load static credentials from environment variables or keychain.
 279    fn load_static_credentials(
 280        &self,
 281        cx: &mut Context<Self>,
 282    ) -> Task<Result<(), AuthenticateError>> {
 283        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 284        cx.spawn(async move |this, cx| {
 285            // Try environment variables first
 286            let (auth, from_env) = if let Some(bearer_token) = &ZED_BEDROCK_BEARER_TOKEN_VAR.value {
 287                if !bearer_token.is_empty() {
 288                    (
 289                        Some(BedrockAuth::ApiKey {
 290                            api_key: bearer_token.to_string(),
 291                        }),
 292                        true,
 293                    )
 294                } else {
 295                    (None, false)
 296                }
 297            } else if let Some(access_key_id) = &ZED_BEDROCK_ACCESS_KEY_ID_VAR.value {
 298                if let Some(secret_access_key) = &ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.value {
 299                    if !access_key_id.is_empty() && !secret_access_key.is_empty() {
 300                        let session_token = ZED_BEDROCK_SESSION_TOKEN_VAR
 301                            .value
 302                            .as_deref()
 303                            .filter(|s| !s.is_empty())
 304                            .map(|s| s.to_string());
 305                        (
 306                            Some(BedrockAuth::IamCredentials {
 307                                access_key_id: access_key_id.to_string(),
 308                                secret_access_key: secret_access_key.to_string(),
 309                                session_token,
 310                            }),
 311                            true,
 312                        )
 313                    } else {
 314                        (None, false)
 315                    }
 316                } else {
 317                    (None, false)
 318                }
 319            } else {
 320                (None, false)
 321            };
 322
 323            // If we got auth from env vars, use it
 324            if let Some(auth) = auth {
 325                this.update(cx, |this, cx| {
 326                    this.auth = Some(auth);
 327                    this.credentials_from_env = from_env;
 328                    cx.notify();
 329                })?;
 330                return Ok(());
 331            }
 332
 333            // Try keychain
 334            let (_, credentials_bytes) = credentials_provider
 335                .read_credentials(AMAZON_AWS_URL, cx)
 336                .await?
 337                .ok_or(AuthenticateError::CredentialsNotFound)?;
 338
 339            let credentials_str = String::from_utf8(credentials_bytes)
 340                .context("invalid {PROVIDER_NAME} credentials")?;
 341
 342            let credentials: BedrockCredentials =
 343                serde_json::from_str(&credentials_str).context("failed to parse credentials")?;
 344
 345            let auth = credentials
 346                .into_auth()
 347                .ok_or(AuthenticateError::CredentialsNotFound)?;
 348
 349            this.update(cx, |this, cx| {
 350                this.auth = Some(auth);
 351                this.credentials_from_env = false;
 352                cx.notify();
 353            })?;
 354
 355            Ok(())
 356        })
 357    }
 358
 359    /// Get the resolved region. Checks env var, then settings, then defaults to us-east-1.
 360    fn get_region(&self) -> String {
 361        // Priority: env var > settings > default
 362        if let Some(region) = ZED_BEDROCK_REGION_VAR.value.as_deref() {
 363            if !region.is_empty() {
 364                return region.to_string();
 365            }
 366        }
 367
 368        self.settings
 369            .as_ref()
 370            .and_then(|s| s.region.clone())
 371            .unwrap_or_else(|| "us-east-1".to_string())
 372    }
 373
 374    fn get_allow_global(&self) -> bool {
 375        self.settings
 376            .as_ref()
 377            .and_then(|s| s.allow_global)
 378            .unwrap_or(false)
 379    }
 380}
 381
 382pub struct BedrockLanguageModelProvider {
 383    http_client: AwsHttpClient,
 384    handle: tokio::runtime::Handle,
 385    state: Entity<State>,
 386}
 387
 388impl BedrockLanguageModelProvider {
 389    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
 390        let state = cx.new(|cx| State {
 391            auth: None,
 392            settings: Some(AllLanguageModelSettings::get_global(cx).bedrock.clone()),
 393            credentials_from_env: false,
 394            _subscription: cx.observe_global::<SettingsStore>(|_, cx| {
 395                cx.notify();
 396            }),
 397        });
 398
 399        Self {
 400            http_client: AwsHttpClient::new(http_client),
 401            handle: Tokio::handle(cx),
 402            state,
 403        }
 404    }
 405
 406    fn create_language_model(&self, model: bedrock::Model) -> Arc<dyn LanguageModel> {
 407        Arc::new(BedrockModel {
 408            id: LanguageModelId::from(model.id().to_string()),
 409            model,
 410            http_client: self.http_client.clone(),
 411            handle: self.handle.clone(),
 412            state: self.state.clone(),
 413            client: OnceCell::new(),
 414            request_limiter: RateLimiter::new(4),
 415        })
 416    }
 417}
 418
 419impl LanguageModelProvider for BedrockLanguageModelProvider {
 420    fn id(&self) -> LanguageModelProviderId {
 421        PROVIDER_ID
 422    }
 423
 424    fn name(&self) -> LanguageModelProviderName {
 425        PROVIDER_NAME
 426    }
 427
 428    fn icon(&self) -> IconOrSvg {
 429        IconOrSvg::Icon(IconName::AiBedrock)
 430    }
 431
 432    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
 433        Some(self.create_language_model(bedrock::Model::default()))
 434    }
 435
 436    fn default_fast_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
 437        let region = self.state.read(cx).get_region();
 438        Some(self.create_language_model(bedrock::Model::default_fast(region.as_str())))
 439    }
 440
 441    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
 442        let mut models = BTreeMap::default();
 443
 444        for model in bedrock::Model::iter() {
 445            if !matches!(model, bedrock::Model::Custom { .. }) {
 446                models.insert(model.id().to_string(), model);
 447            }
 448        }
 449
 450        // Override with available models from settings
 451        for model in AllLanguageModelSettings::get_global(cx)
 452            .bedrock
 453            .available_models
 454            .iter()
 455        {
 456            models.insert(
 457                model.name.clone(),
 458                bedrock::Model::Custom {
 459                    name: model.name.clone(),
 460                    display_name: model.display_name.clone(),
 461                    max_tokens: model.max_tokens,
 462                    max_output_tokens: model.max_output_tokens,
 463                    default_temperature: model.default_temperature,
 464                    cache_configuration: model.cache_configuration.as_ref().map(|config| {
 465                        bedrock::BedrockModelCacheConfiguration {
 466                            max_cache_anchors: config.max_cache_anchors,
 467                            min_total_token: config.min_total_token,
 468                        }
 469                    }),
 470                },
 471            );
 472        }
 473
 474        models
 475            .into_values()
 476            .map(|model| self.create_language_model(model))
 477            .collect()
 478    }
 479
 480    fn is_authenticated(&self, cx: &App) -> bool {
 481        self.state.read(cx).is_authenticated()
 482    }
 483
 484    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
 485        self.state.update(cx, |state, cx| state.authenticate(cx))
 486    }
 487
 488    fn configuration_view(
 489        &self,
 490        _target_agent: language_model::ConfigurationViewTargetAgent,
 491        window: &mut Window,
 492        cx: &mut App,
 493    ) -> AnyView {
 494        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
 495            .into()
 496    }
 497
 498    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
 499        self.state.update(cx, |state, cx| state.reset_auth(cx))
 500    }
 501}
 502
 503impl LanguageModelProviderState for BedrockLanguageModelProvider {
 504    type ObservableEntity = State;
 505
 506    fn observable_entity(&self) -> Option<Entity<Self::ObservableEntity>> {
 507        Some(self.state.clone())
 508    }
 509}
 510
 511struct BedrockModel {
 512    id: LanguageModelId,
 513    model: Model,
 514    http_client: AwsHttpClient,
 515    handle: tokio::runtime::Handle,
 516    client: OnceCell<BedrockClient>,
 517    state: Entity<State>,
 518    request_limiter: RateLimiter,
 519}
 520
 521impl BedrockModel {
 522    fn get_or_init_client(&self, cx: &AsyncApp) -> anyhow::Result<&BedrockClient> {
 523        self.client
 524            .get_or_try_init_blocking(|| {
 525                let (auth, endpoint, region) = cx.read_entity(&self.state, |state, _cx| {
 526                    let endpoint = state.settings.as_ref().and_then(|s| s.endpoint.clone());
 527                    let region = state.get_region();
 528                    (state.auth.clone(), endpoint, region)
 529                });
 530
 531                let mut config_builder = aws_config::defaults(BehaviorVersion::latest())
 532                    .stalled_stream_protection(StalledStreamProtectionConfig::disabled())
 533                    .http_client(self.http_client.clone())
 534                    .region(Region::new(region))
 535                    .timeout_config(TimeoutConfig::disabled());
 536
 537                if let Some(endpoint_url) = endpoint
 538                    && !endpoint_url.is_empty()
 539                {
 540                    config_builder = config_builder.endpoint_url(endpoint_url);
 541                }
 542
 543                match auth {
 544                    Some(BedrockAuth::Automatic) | None => {
 545                        // Use default AWS credential provider chain
 546                    }
 547                    Some(BedrockAuth::NamedProfile { profile_name })
 548                    | Some(BedrockAuth::SingleSignOn { profile_name }) => {
 549                        if !profile_name.is_empty() {
 550                            config_builder = config_builder.profile_name(profile_name);
 551                        }
 552                    }
 553                    Some(BedrockAuth::IamCredentials {
 554                        access_key_id,
 555                        secret_access_key,
 556                        session_token,
 557                    }) => {
 558                        let aws_creds = Credentials::new(
 559                            access_key_id,
 560                            secret_access_key,
 561                            session_token,
 562                            None,
 563                            "zed-bedrock-provider",
 564                        );
 565                        config_builder = config_builder.credentials_provider(aws_creds);
 566                    }
 567                    Some(BedrockAuth::ApiKey { api_key }) => {
 568                        config_builder = config_builder
 569                            .auth_scheme_preference(["httpBearerAuth".into()]) // https://github.com/smithy-lang/smithy-rs/pull/4241
 570                            .token_provider(Token::new(api_key, None));
 571                    }
 572                }
 573
 574                let config = self.handle.block_on(config_builder.load());
 575
 576                anyhow::Ok(BedrockClient::new(&config))
 577            })
 578            .context("initializing Bedrock client")?;
 579
 580        self.client.get().context("Bedrock client not initialized")
 581    }
 582
 583    fn stream_completion(
 584        &self,
 585        request: bedrock::Request,
 586        cx: &AsyncApp,
 587    ) -> BoxFuture<
 588        'static,
 589        Result<BoxStream<'static, Result<BedrockStreamingResponse, BedrockError>>>,
 590    > {
 591        let Ok(runtime_client) = self
 592            .get_or_init_client(cx)
 593            .cloned()
 594            .context("Bedrock client not initialized")
 595        else {
 596            return futures::future::ready(Err(anyhow!("App state dropped"))).boxed();
 597        };
 598
 599        let task = Tokio::spawn(cx, bedrock::stream_completion(runtime_client, request));
 600        async move { task.await.map_err(|err| anyhow!(err))? }.boxed()
 601    }
 602}
 603
 604impl LanguageModel for BedrockModel {
 605    fn id(&self) -> LanguageModelId {
 606        self.id.clone()
 607    }
 608
 609    fn name(&self) -> LanguageModelName {
 610        LanguageModelName::from(self.model.display_name().to_string())
 611    }
 612
 613    fn provider_id(&self) -> LanguageModelProviderId {
 614        PROVIDER_ID
 615    }
 616
 617    fn provider_name(&self) -> LanguageModelProviderName {
 618        PROVIDER_NAME
 619    }
 620
 621    fn supports_tools(&self) -> bool {
 622        self.model.supports_tool_use()
 623    }
 624
 625    fn supports_images(&self) -> bool {
 626        false
 627    }
 628
 629    fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
 630        match choice {
 631            LanguageModelToolChoice::Auto | LanguageModelToolChoice::Any => {
 632                self.model.supports_tool_use()
 633            }
 634            // Add support for None - we'll filter tool calls at response
 635            LanguageModelToolChoice::None => self.model.supports_tool_use(),
 636        }
 637    }
 638
 639    fn telemetry_id(&self) -> String {
 640        format!("bedrock/{}", self.model.id())
 641    }
 642
 643    fn max_token_count(&self) -> u64 {
 644        self.model.max_token_count()
 645    }
 646
 647    fn max_output_tokens(&self) -> Option<u64> {
 648        Some(self.model.max_output_tokens())
 649    }
 650
 651    fn count_tokens(
 652        &self,
 653        request: LanguageModelRequest,
 654        cx: &App,
 655    ) -> BoxFuture<'static, Result<u64>> {
 656        get_bedrock_tokens(request, cx)
 657    }
 658
 659    fn stream_completion(
 660        &self,
 661        request: LanguageModelRequest,
 662        cx: &AsyncApp,
 663    ) -> BoxFuture<
 664        'static,
 665        Result<
 666            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
 667            LanguageModelCompletionError,
 668        >,
 669    > {
 670        let (region, allow_global) = cx.read_entity(&self.state, |state, _cx| {
 671            (state.get_region(), state.get_allow_global())
 672        });
 673
 674        let model_id = match self.model.cross_region_inference_id(&region, allow_global) {
 675            Ok(s) => s,
 676            Err(e) => {
 677                return async move { Err(e.into()) }.boxed();
 678            }
 679        };
 680
 681        let deny_tool_calls = request.tool_choice == Some(LanguageModelToolChoice::None);
 682        let bypass_rate_limit = request.bypass_rate_limit;
 683
 684        let request = match into_bedrock(
 685            request,
 686            model_id,
 687            self.model.default_temperature(),
 688            self.model.max_output_tokens(),
 689            self.model.mode(),
 690            self.model.supports_caching(),
 691        ) {
 692            Ok(request) => request,
 693            Err(err) => return futures::future::ready(Err(err.into())).boxed(),
 694        };
 695
 696        let request = self.stream_completion(request, cx);
 697        let future = self.request_limiter.stream_with_bypass(
 698            async move {
 699                let response = request.await.map_err(|err| anyhow!(err))?;
 700                let events = map_to_language_model_completion_events(response);
 701
 702                if deny_tool_calls {
 703                    Ok(deny_tool_use_events(events).boxed())
 704                } else {
 705                    Ok(events.boxed())
 706                }
 707            },
 708            bypass_rate_limit,
 709        );
 710
 711        async move { Ok(future.await?.boxed()) }.boxed()
 712    }
 713
 714    fn cache_configuration(&self) -> Option<LanguageModelCacheConfiguration> {
 715        self.model
 716            .cache_configuration()
 717            .map(|config| LanguageModelCacheConfiguration {
 718                max_cache_anchors: config.max_cache_anchors,
 719                should_speculate: false,
 720                min_total_token: config.min_total_token,
 721            })
 722    }
 723}
 724
 725fn deny_tool_use_events(
 726    events: impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
 727) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
 728    events.map(|event| {
 729        match event {
 730            Ok(LanguageModelCompletionEvent::ToolUse(tool_use)) => {
 731                // Convert tool use to an error message if model decided to call it
 732                Ok(LanguageModelCompletionEvent::Text(format!(
 733                    "\n\n[Error: Tool calls are disabled in this context. Attempted to call '{}']",
 734                    tool_use.name
 735                )))
 736            }
 737            other => other,
 738        }
 739    })
 740}
 741
 742pub fn into_bedrock(
 743    request: LanguageModelRequest,
 744    model: String,
 745    default_temperature: f32,
 746    max_output_tokens: u64,
 747    mode: BedrockModelMode,
 748    supports_caching: bool,
 749) -> Result<bedrock::Request> {
 750    let mut new_messages: Vec<BedrockMessage> = Vec::new();
 751    let mut system_message = String::new();
 752
 753    for message in request.messages {
 754        if message.contents_empty() {
 755            continue;
 756        }
 757
 758        match message.role {
 759            Role::User | Role::Assistant => {
 760                let mut bedrock_message_content: Vec<BedrockInnerContent> = message
 761                    .content
 762                    .into_iter()
 763                    .filter_map(|content| match content {
 764                        MessageContent::Text(text) => {
 765                            if !text.is_empty() {
 766                                Some(BedrockInnerContent::Text(text))
 767                            } else {
 768                                None
 769                            }
 770                        }
 771                        MessageContent::Thinking { text, signature } => {
 772                            if model.contains(Model::DeepSeekR1.request_id()) {
 773                                // DeepSeekR1 doesn't support thinking blocks
 774                                // And the AWS API demands that you strip them
 775                                return None;
 776                            }
 777                            let thinking = BedrockThinkingTextBlock::builder()
 778                                .text(text)
 779                                .set_signature(signature)
 780                                .build()
 781                                .context("failed to build reasoning block")
 782                                .log_err()?;
 783
 784                            Some(BedrockInnerContent::ReasoningContent(
 785                                BedrockThinkingBlock::ReasoningText(thinking),
 786                            ))
 787                        }
 788                        MessageContent::RedactedThinking(blob) => {
 789                            if model.contains(Model::DeepSeekR1.request_id()) {
 790                                // DeepSeekR1 doesn't support thinking blocks
 791                                // And the AWS API demands that you strip them
 792                                return None;
 793                            }
 794                            let redacted =
 795                                BedrockThinkingBlock::RedactedContent(BedrockBlob::new(blob));
 796
 797                            Some(BedrockInnerContent::ReasoningContent(redacted))
 798                        }
 799                        MessageContent::ToolUse(tool_use) => {
 800                            let input = if tool_use.input.is_null() {
 801                                // Bedrock API requires valid JsonValue, not null, for tool use input
 802                                value_to_aws_document(&serde_json::json!({}))
 803                            } else {
 804                                value_to_aws_document(&tool_use.input)
 805                            };
 806                            BedrockToolUseBlock::builder()
 807                                .name(tool_use.name.to_string())
 808                                .tool_use_id(tool_use.id.to_string())
 809                                .input(input)
 810                                .build()
 811                                .context("failed to build Bedrock tool use block")
 812                                .log_err()
 813                                .map(BedrockInnerContent::ToolUse)
 814                        },
 815                        MessageContent::ToolResult(tool_result) => {
 816                            BedrockToolResultBlock::builder()
 817                                .tool_use_id(tool_result.tool_use_id.to_string())
 818                                .content(match tool_result.content {
 819                                    LanguageModelToolResultContent::Text(text) => {
 820                                        BedrockToolResultContentBlock::Text(text.to_string())
 821                                    }
 822                                    LanguageModelToolResultContent::Image(_) => {
 823                                        BedrockToolResultContentBlock::Text(
 824                                            // TODO: Bedrock image support
 825                                            "[Tool responded with an image, but Zed doesn't support these in Bedrock models yet]".to_string()
 826                                        )
 827                                    }
 828                                })
 829                                .status({
 830                                    if tool_result.is_error {
 831                                        BedrockToolResultStatus::Error
 832                                    } else {
 833                                        BedrockToolResultStatus::Success
 834                                    }
 835                                })
 836                                .build()
 837                                .context("failed to build Bedrock tool result block")
 838                                .log_err()
 839                                .map(BedrockInnerContent::ToolResult)
 840                        }
 841                        _ => None,
 842                    })
 843                    .collect();
 844                if message.cache && supports_caching {
 845                    bedrock_message_content.push(BedrockInnerContent::CachePoint(
 846                        CachePointBlock::builder()
 847                            .r#type(CachePointType::Default)
 848                            .build()
 849                            .context("failed to build cache point block")?,
 850                    ));
 851                }
 852                let bedrock_role = match message.role {
 853                    Role::User => bedrock::BedrockRole::User,
 854                    Role::Assistant => bedrock::BedrockRole::Assistant,
 855                    Role::System => unreachable!("System role should never occur here"),
 856                };
 857                if let Some(last_message) = new_messages.last_mut()
 858                    && last_message.role == bedrock_role
 859                {
 860                    last_message.content.extend(bedrock_message_content);
 861                    continue;
 862                }
 863                new_messages.push(
 864                    BedrockMessage::builder()
 865                        .role(bedrock_role)
 866                        .set_content(Some(bedrock_message_content))
 867                        .build()
 868                        .context("failed to build Bedrock message")?,
 869                );
 870            }
 871            Role::System => {
 872                if !system_message.is_empty() {
 873                    system_message.push_str("\n\n");
 874                }
 875                system_message.push_str(&message.string_contents());
 876            }
 877        }
 878    }
 879
 880    let mut tool_spec: Vec<BedrockTool> = request
 881        .tools
 882        .iter()
 883        .filter_map(|tool| {
 884            Some(BedrockTool::ToolSpec(
 885                BedrockToolSpec::builder()
 886                    .name(tool.name.clone())
 887                    .description(tool.description.clone())
 888                    .input_schema(BedrockToolInputSchema::Json(value_to_aws_document(
 889                        &tool.input_schema,
 890                    )))
 891                    .build()
 892                    .log_err()?,
 893            ))
 894        })
 895        .collect();
 896
 897    if !tool_spec.is_empty() && supports_caching {
 898        tool_spec.push(BedrockTool::CachePoint(
 899            CachePointBlock::builder()
 900                .r#type(CachePointType::Default)
 901                .build()
 902                .context("failed to build cache point block")?,
 903        ));
 904    }
 905
 906    let tool_choice = match request.tool_choice {
 907        Some(LanguageModelToolChoice::Auto) | None => {
 908            BedrockToolChoice::Auto(BedrockAutoToolChoice::builder().build())
 909        }
 910        Some(LanguageModelToolChoice::Any) => {
 911            BedrockToolChoice::Any(BedrockAnyToolChoice::builder().build())
 912        }
 913        Some(LanguageModelToolChoice::None) => {
 914            // For None, we still use Auto but will filter out tool calls in the response
 915            BedrockToolChoice::Auto(BedrockAutoToolChoice::builder().build())
 916        }
 917    };
 918    let tool_config: BedrockToolConfig = BedrockToolConfig::builder()
 919        .set_tools(Some(tool_spec))
 920        .tool_choice(tool_choice)
 921        .build()?;
 922
 923    Ok(bedrock::Request {
 924        model,
 925        messages: new_messages,
 926        max_tokens: max_output_tokens,
 927        system: Some(system_message),
 928        tools: Some(tool_config),
 929        thinking: if request.thinking_allowed
 930            && let BedrockModelMode::Thinking { budget_tokens } = mode
 931        {
 932            Some(bedrock::Thinking::Enabled { budget_tokens })
 933        } else {
 934            None
 935        },
 936        metadata: None,
 937        stop_sequences: Vec::new(),
 938        temperature: request.temperature.or(Some(default_temperature)),
 939        top_k: None,
 940        top_p: None,
 941    })
 942}
 943
 944// TODO: just call the ConverseOutput.usage() method:
 945// https://docs.rs/aws-sdk-bedrockruntime/latest/aws_sdk_bedrockruntime/operation/converse/struct.ConverseOutput.html#method.output
 946pub fn get_bedrock_tokens(
 947    request: LanguageModelRequest,
 948    cx: &App,
 949) -> BoxFuture<'static, Result<u64>> {
 950    cx.background_executor()
 951        .spawn(async move {
 952            let messages = request.messages;
 953            let mut tokens_from_images = 0;
 954            let mut string_messages = Vec::with_capacity(messages.len());
 955
 956            for message in messages {
 957                use language_model::MessageContent;
 958
 959                let mut string_contents = String::new();
 960
 961                for content in message.content {
 962                    match content {
 963                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
 964                            string_contents.push_str(&text);
 965                        }
 966                        MessageContent::RedactedThinking(_) => {}
 967                        MessageContent::Image(image) => {
 968                            tokens_from_images += image.estimate_tokens();
 969                        }
 970                        MessageContent::ToolUse(_tool_use) => {
 971                            // TODO: Estimate token usage from tool uses.
 972                        }
 973                        MessageContent::ToolResult(tool_result) => match tool_result.content {
 974                            LanguageModelToolResultContent::Text(text) => {
 975                                string_contents.push_str(&text);
 976                            }
 977                            LanguageModelToolResultContent::Image(image) => {
 978                                tokens_from_images += image.estimate_tokens();
 979                            }
 980                        },
 981                    }
 982                }
 983
 984                if !string_contents.is_empty() {
 985                    string_messages.push(tiktoken_rs::ChatCompletionRequestMessage {
 986                        role: match message.role {
 987                            Role::User => "user".into(),
 988                            Role::Assistant => "assistant".into(),
 989                            Role::System => "system".into(),
 990                        },
 991                        content: Some(string_contents),
 992                        name: None,
 993                        function_call: None,
 994                    });
 995                }
 996            }
 997
 998            // Tiktoken doesn't yet support these models, so we manually use the
 999            // same tokenizer as GPT-4.
1000            tiktoken_rs::num_tokens_from_messages("gpt-4", &string_messages)
1001                .map(|tokens| (tokens + tokens_from_images) as u64)
1002        })
1003        .boxed()
1004}
1005
1006pub fn map_to_language_model_completion_events(
1007    events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
1008) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
1009    struct RawToolUse {
1010        id: String,
1011        name: String,
1012        input_json: String,
1013    }
1014
1015    struct State {
1016        events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
1017        tool_uses_by_index: HashMap<i32, RawToolUse>,
1018    }
1019
1020    let initial_state = State {
1021        events,
1022        tool_uses_by_index: HashMap::default(),
1023    };
1024
1025    futures::stream::unfold(initial_state, |mut state| async move {
1026        match state.events.next().await {
1027            Some(event_result) => match event_result {
1028                Ok(event) => {
1029                    let result = match event {
1030                        ConverseStreamOutput::ContentBlockDelta(cb_delta) => match cb_delta.delta {
1031                            Some(ContentBlockDelta::Text(text)) => {
1032                                Some(Ok(LanguageModelCompletionEvent::Text(text)))
1033                            }
1034                            Some(ContentBlockDelta::ToolUse(tool_output)) => {
1035                                if let Some(tool_use) = state
1036                                    .tool_uses_by_index
1037                                    .get_mut(&cb_delta.content_block_index)
1038                                {
1039                                    tool_use.input_json.push_str(tool_output.input());
1040                                }
1041                                None
1042                            }
1043                            Some(ContentBlockDelta::ReasoningContent(thinking)) => match thinking {
1044                                ReasoningContentBlockDelta::Text(thoughts) => {
1045                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1046                                        text: thoughts,
1047                                        signature: None,
1048                                    }))
1049                                }
1050                                ReasoningContentBlockDelta::Signature(sig) => {
1051                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1052                                        text: "".into(),
1053                                        signature: Some(sig),
1054                                    }))
1055                                }
1056                                ReasoningContentBlockDelta::RedactedContent(redacted) => {
1057                                    let content = String::from_utf8(redacted.into_inner())
1058                                        .unwrap_or("REDACTED".to_string());
1059                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1060                                        text: content,
1061                                        signature: None,
1062                                    }))
1063                                }
1064                                _ => None,
1065                            },
1066                            _ => None,
1067                        },
1068                        ConverseStreamOutput::ContentBlockStart(cb_start) => {
1069                            if let Some(ContentBlockStart::ToolUse(tool_start)) = cb_start.start {
1070                                state.tool_uses_by_index.insert(
1071                                    cb_start.content_block_index,
1072                                    RawToolUse {
1073                                        id: tool_start.tool_use_id,
1074                                        name: tool_start.name,
1075                                        input_json: String::new(),
1076                                    },
1077                                );
1078                            }
1079                            None
1080                        }
1081                        ConverseStreamOutput::ContentBlockStop(cb_stop) => state
1082                            .tool_uses_by_index
1083                            .remove(&cb_stop.content_block_index)
1084                            .map(|tool_use| {
1085                                let input = if tool_use.input_json.is_empty() {
1086                                    Value::Null
1087                                } else {
1088                                    serde_json::Value::from_str(&tool_use.input_json)
1089                                        .unwrap_or(Value::Null)
1090                                };
1091
1092                                Ok(LanguageModelCompletionEvent::ToolUse(
1093                                    LanguageModelToolUse {
1094                                        id: tool_use.id.into(),
1095                                        name: tool_use.name.into(),
1096                                        is_input_complete: true,
1097                                        raw_input: tool_use.input_json,
1098                                        input,
1099                                        thought_signature: None,
1100                                    },
1101                                ))
1102                            }),
1103                        ConverseStreamOutput::Metadata(cb_meta) => cb_meta.usage.map(|metadata| {
1104                            Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
1105                                input_tokens: metadata.input_tokens as u64,
1106                                output_tokens: metadata.output_tokens as u64,
1107                                cache_creation_input_tokens: metadata
1108                                    .cache_write_input_tokens
1109                                    .unwrap_or_default()
1110                                    as u64,
1111                                cache_read_input_tokens: metadata
1112                                    .cache_read_input_tokens
1113                                    .unwrap_or_default()
1114                                    as u64,
1115                            }))
1116                        }),
1117                        ConverseStreamOutput::MessageStop(message_stop) => {
1118                            let stop_reason = match message_stop.stop_reason {
1119                                StopReason::ToolUse => language_model::StopReason::ToolUse,
1120                                _ => language_model::StopReason::EndTurn,
1121                            };
1122                            Some(Ok(LanguageModelCompletionEvent::Stop(stop_reason)))
1123                        }
1124                        _ => None,
1125                    };
1126
1127                    Some((result, state))
1128                }
1129                Err(err) => Some((
1130                    Some(Err(LanguageModelCompletionError::Other(anyhow!(err)))),
1131                    state,
1132                )),
1133            },
1134            None => None,
1135        }
1136    })
1137    .filter_map(|result| async move { result })
1138}
1139
1140struct ConfigurationView {
1141    access_key_id_editor: Entity<InputField>,
1142    secret_access_key_editor: Entity<InputField>,
1143    session_token_editor: Entity<InputField>,
1144    bearer_token_editor: Entity<InputField>,
1145    state: Entity<State>,
1146    load_credentials_task: Option<Task<()>>,
1147    focus_handle: FocusHandle,
1148}
1149
1150impl ConfigurationView {
1151    const PLACEHOLDER_ACCESS_KEY_ID_TEXT: &'static str = "XXXXXXXXXXXXXXXX";
1152    const PLACEHOLDER_SECRET_ACCESS_KEY_TEXT: &'static str =
1153        "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1154    const PLACEHOLDER_SESSION_TOKEN_TEXT: &'static str = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1155    const PLACEHOLDER_BEARER_TOKEN_TEXT: &'static str = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1156
1157    fn new(state: Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
1158        let focus_handle = cx.focus_handle();
1159
1160        cx.observe(&state, |_, _, cx| {
1161            cx.notify();
1162        })
1163        .detach();
1164
1165        let access_key_id_editor = cx.new(|cx| {
1166            InputField::new(window, cx, Self::PLACEHOLDER_ACCESS_KEY_ID_TEXT)
1167                .label("Access Key ID")
1168                .tab_index(0)
1169                .tab_stop(true)
1170        });
1171
1172        let secret_access_key_editor = cx.new(|cx| {
1173            InputField::new(window, cx, Self::PLACEHOLDER_SECRET_ACCESS_KEY_TEXT)
1174                .label("Secret Access Key")
1175                .tab_index(1)
1176                .tab_stop(true)
1177        });
1178
1179        let session_token_editor = cx.new(|cx| {
1180            InputField::new(window, cx, Self::PLACEHOLDER_SESSION_TOKEN_TEXT)
1181                .label("Session Token (Optional)")
1182                .tab_index(2)
1183                .tab_stop(true)
1184        });
1185
1186        let bearer_token_editor = cx.new(|cx| {
1187            InputField::new(window, cx, Self::PLACEHOLDER_BEARER_TOKEN_TEXT)
1188                .label("Bedrock API Key")
1189                .tab_index(3)
1190                .tab_stop(true)
1191        });
1192
1193        let load_credentials_task = Some(cx.spawn({
1194            let state = state.clone();
1195            async move |this, cx| {
1196                if let Some(task) = Some(state.update(cx, |state, cx| state.authenticate(cx))) {
1197                    // We don't log an error, because "not signed in" is also an error.
1198                    let _ = task.await;
1199                }
1200                this.update(cx, |this, cx| {
1201                    this.load_credentials_task = None;
1202                    cx.notify();
1203                })
1204                .log_err();
1205            }
1206        }));
1207
1208        Self {
1209            access_key_id_editor,
1210            secret_access_key_editor,
1211            session_token_editor,
1212            bearer_token_editor,
1213            state,
1214            load_credentials_task,
1215            focus_handle,
1216        }
1217    }
1218
1219    fn save_credentials(
1220        &mut self,
1221        _: &menu::Confirm,
1222        _window: &mut Window,
1223        cx: &mut Context<Self>,
1224    ) {
1225        let access_key_id = self
1226            .access_key_id_editor
1227            .read(cx)
1228            .text(cx)
1229            .trim()
1230            .to_string();
1231        let secret_access_key = self
1232            .secret_access_key_editor
1233            .read(cx)
1234            .text(cx)
1235            .trim()
1236            .to_string();
1237        let session_token = self
1238            .session_token_editor
1239            .read(cx)
1240            .text(cx)
1241            .trim()
1242            .to_string();
1243        let session_token = if session_token.is_empty() {
1244            None
1245        } else {
1246            Some(session_token)
1247        };
1248        let bearer_token = self
1249            .bearer_token_editor
1250            .read(cx)
1251            .text(cx)
1252            .trim()
1253            .to_string();
1254        let bearer_token = if bearer_token.is_empty() {
1255            None
1256        } else {
1257            Some(bearer_token)
1258        };
1259
1260        let state = self.state.clone();
1261        cx.spawn(async move |_, cx| {
1262            state
1263                .update(cx, |state, cx| {
1264                    let credentials = BedrockCredentials {
1265                        access_key_id,
1266                        secret_access_key,
1267                        session_token,
1268                        bearer_token,
1269                    };
1270
1271                    state.set_static_credentials(credentials, cx)
1272                })
1273                .await
1274        })
1275        .detach_and_log_err(cx);
1276    }
1277
1278    fn reset_credentials(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1279        self.access_key_id_editor
1280            .update(cx, |editor, cx| editor.set_text("", window, cx));
1281        self.secret_access_key_editor
1282            .update(cx, |editor, cx| editor.set_text("", window, cx));
1283        self.session_token_editor
1284            .update(cx, |editor, cx| editor.set_text("", window, cx));
1285        self.bearer_token_editor
1286            .update(cx, |editor, cx| editor.set_text("", window, cx));
1287
1288        let state = self.state.clone();
1289        cx.spawn(async move |_, cx| state.update(cx, |state, cx| state.reset_auth(cx)).await)
1290            .detach_and_log_err(cx);
1291    }
1292
1293    fn should_render_editor(&self, cx: &Context<Self>) -> bool {
1294        self.state.read(cx).is_authenticated()
1295    }
1296
1297    fn on_tab(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
1298        window.focus_next(cx);
1299    }
1300
1301    fn on_tab_prev(
1302        &mut self,
1303        _: &menu::SelectPrevious,
1304        window: &mut Window,
1305        cx: &mut Context<Self>,
1306    ) {
1307        window.focus_prev(cx);
1308    }
1309}
1310
1311impl Render for ConfigurationView {
1312    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1313        let state = self.state.read(cx);
1314        let env_var_set = state.credentials_from_env;
1315        let auth = state.auth.clone();
1316        let settings_auth_method = state
1317            .settings
1318            .as_ref()
1319            .and_then(|s| s.authentication_method.clone());
1320
1321        if self.load_credentials_task.is_some() {
1322            return div().child(Label::new("Loading credentials...")).into_any();
1323        }
1324
1325        let configured_label = match &auth {
1326            Some(BedrockAuth::Automatic) => {
1327                "Using automatic credentials (AWS default chain)".into()
1328            }
1329            Some(BedrockAuth::NamedProfile { profile_name }) => {
1330                format!("Using AWS profile: {profile_name}")
1331            }
1332            Some(BedrockAuth::SingleSignOn { profile_name }) => {
1333                format!("Using AWS SSO profile: {profile_name}")
1334            }
1335            Some(BedrockAuth::IamCredentials { .. }) if env_var_set => {
1336                format!(
1337                    "Using IAM credentials from {} and {} environment variables",
1338                    ZED_BEDROCK_ACCESS_KEY_ID_VAR.name, ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name
1339                )
1340            }
1341            Some(BedrockAuth::IamCredentials { .. }) => "Using IAM credentials".into(),
1342            Some(BedrockAuth::ApiKey { .. }) if env_var_set => {
1343                format!(
1344                    "Using Bedrock API Key from {} environment variable",
1345                    ZED_BEDROCK_BEARER_TOKEN_VAR.name
1346                )
1347            }
1348            Some(BedrockAuth::ApiKey { .. }) => "Using Bedrock API Key".into(),
1349            None => "Not authenticated".into(),
1350        };
1351
1352        // Determine if credentials can be reset
1353        // Settings-derived auth (non-ApiKey) cannot be reset from UI
1354        let is_settings_derived = matches!(
1355            settings_auth_method,
1356            Some(BedrockAuthMethod::Automatic)
1357                | Some(BedrockAuthMethod::NamedProfile)
1358                | Some(BedrockAuthMethod::SingleSignOn)
1359        );
1360
1361        let tooltip_label = if env_var_set {
1362            Some(format!(
1363                "To reset your credentials, unset the {}, {}, and {} or {} environment variables.",
1364                ZED_BEDROCK_ACCESS_KEY_ID_VAR.name,
1365                ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name,
1366                ZED_BEDROCK_SESSION_TOKEN_VAR.name,
1367                ZED_BEDROCK_BEARER_TOKEN_VAR.name
1368            ))
1369        } else if is_settings_derived {
1370            Some(
1371                "Authentication method is configured in settings. Edit settings.json to change."
1372                    .to_string(),
1373            )
1374        } else {
1375            None
1376        };
1377
1378        if self.should_render_editor(cx) {
1379            return ConfiguredApiCard::new(configured_label)
1380                .disabled(env_var_set || is_settings_derived)
1381                .on_click(cx.listener(|this, _, window, cx| this.reset_credentials(window, cx)))
1382                .when_some(tooltip_label, |this, label| this.tooltip_label(label))
1383                .into_any_element();
1384        }
1385
1386        v_flex()
1387            .size_full()
1388            .track_focus(&self.focus_handle)
1389            .on_action(cx.listener(Self::on_tab))
1390            .on_action(cx.listener(Self::on_tab_prev))
1391            .on_action(cx.listener(ConfigurationView::save_credentials))
1392            .child(Label::new("To use Zed's agent with Bedrock, you can set a custom authentication strategy through your settings file or use static credentials."))
1393            .child(Label::new("But first, to access models on AWS, you need to:").mt_1())
1394            .child(
1395                List::new()
1396                    .child(
1397                        ListBulletItem::new("")
1398                            .child(Label::new(
1399                                "Grant permissions to the strategy you'll use according to the:",
1400                            ))
1401                            .child(ButtonLink::new(
1402                                "Prerequisites",
1403                                "https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html",
1404                            )),
1405                    )
1406                    .child(
1407                        ListBulletItem::new("")
1408                            .child(Label::new("Select the models you would like access to:"))
1409                            .child(ButtonLink::new(
1410                                "Bedrock Model Catalog",
1411                                "https://us-east-1.console.aws.amazon.com/bedrock/home?region=us-east-1#/modelaccess",
1412                            )),
1413                    ),
1414            )
1415            .child(self.render_static_credentials_ui())
1416            .into_any()
1417    }
1418}
1419
1420impl ConfigurationView {
1421    fn render_static_credentials_ui(&self) -> impl IntoElement {
1422        let section_header = |title: SharedString| {
1423            h_flex()
1424                .gap_2()
1425                .child(Label::new(title).size(LabelSize::Default))
1426                .child(Divider::horizontal())
1427        };
1428
1429        let list_item = List::new()
1430            .child(
1431                ListBulletItem::new("")
1432                    .child(Label::new(
1433                        "For access keys: Create an IAM user in the AWS console with programmatic access",
1434                    ))
1435                    .child(ButtonLink::new(
1436                        "IAM Console",
1437                        "https://us-east-1.console.aws.amazon.com/iam/home?region=us-east-1#/users",
1438                    )),
1439            )
1440            .child(
1441                ListBulletItem::new("")
1442                    .child(Label::new("For Bedrock API Keys: Generate an API key from the"))
1443                    .child(ButtonLink::new(
1444                        "Bedrock Console",
1445                        "https://docs.aws.amazon.com/bedrock/latest/userguide/api-keys-use.html",
1446                    )),
1447            )
1448            .child(
1449                ListBulletItem::new("")
1450                    .child(Label::new("Attach the necessary Bedrock permissions to"))
1451                    .child(ButtonLink::new(
1452                        "this user",
1453                        "https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html",
1454                    )),
1455            )
1456            .child(ListBulletItem::new(
1457                "Enter either access keys OR a Bedrock API Key below (not both)",
1458            ));
1459
1460        v_flex()
1461            .my_2()
1462            .tab_group()
1463            .gap_1p5()
1464            .child(section_header("Static Credentials".into()))
1465            .child(Label::new(
1466                "This method uses your AWS access key ID and secret access key, or a Bedrock API Key.",
1467            ))
1468            .child(list_item)
1469            .child(self.access_key_id_editor.clone())
1470            .child(self.secret_access_key_editor.clone())
1471            .child(self.session_token_editor.clone())
1472            .child(
1473                Label::new(format!(
1474                    "You can also set the {}, {} and {} environment variables (or {} for Bedrock API Key authentication) and restart Zed.",
1475                    ZED_BEDROCK_ACCESS_KEY_ID_VAR.name,
1476                    ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name,
1477                    ZED_BEDROCK_REGION_VAR.name,
1478                    ZED_BEDROCK_BEARER_TOKEN_VAR.name
1479                ))
1480                .size(LabelSize::Small)
1481                .color(Color::Muted),
1482            )
1483            .child(
1484                Label::new(format!(
1485                    "Optionally, if your environment uses AWS CLI profiles, you can set {}; if it requires a custom endpoint, you can set {}; and if it requires a Session Token, you can set {}.",
1486                    ZED_AWS_PROFILE_VAR.name,
1487                    ZED_AWS_ENDPOINT_VAR.name,
1488                    ZED_BEDROCK_SESSION_TOKEN_VAR.name
1489                ))
1490                .size(LabelSize::Small)
1491                .color(Color::Muted)
1492                .mt_1()
1493                .mb_2p5(),
1494            )
1495            .child(section_header("Using the an API key".into()))
1496            .child(self.bearer_token_editor.clone())
1497            .child(
1498                Label::new(format!(
1499                    "Region is configured via {} environment variable or settings.json (defaults to us-east-1).",
1500                    ZED_BEDROCK_REGION_VAR.name
1501                ))
1502                .size(LabelSize::Small)
1503                .color(Color::Muted)
1504            )
1505    }
1506}