[wip] universal workers

This commit is contained in:
2026-03-21 07:32:11 -05:00
parent 0782675a2b
commit 8ba7e3bb84
59 changed files with 4971 additions and 34 deletions

View File

@@ -199,6 +199,10 @@ use crate::dto::{
crate::routes::webhooks::disable_webhook,
crate::routes::webhooks::regenerate_webhook_key,
crate::routes::webhooks::receive_webhook,
// Agent
crate::routes::agent::download_agent_binary,
crate::routes::agent::agent_info,
),
components(
schemas(
@@ -341,6 +345,10 @@ use crate::dto::{
WebhookReceiverRequest,
WebhookReceiverResponse,
ApiResponse<WebhookReceiverResponse>,
// Agent DTOs
crate::routes::agent::AgentBinaryInfo,
crate::routes::agent::AgentArchInfo,
)
),
modifiers(&SecurityAddon),
@@ -359,6 +367,7 @@ use crate::dto::{
(name = "secrets", description = "Secret management endpoints"),
(name = "workflows", description = "Workflow management endpoints"),
(name = "webhooks", description = "Webhook management and receiver endpoints"),
(name = "agent", description = "Agent binary distribution endpoints"),
)
)]
pub struct ApiDoc;
@@ -441,14 +450,14 @@ mod tests {
// We have 57 unique paths with 81 total operations (HTTP methods)
// This test ensures we don't accidentally remove endpoints
assert!(
path_count >= 57,
"Expected at least 57 unique API paths, found {}",
path_count >= 59,
"Expected at least 59 unique API paths, found {}",
path_count
);
assert!(
operation_count >= 81,
"Expected at least 81 API operations, found {}",
operation_count >= 83,
"Expected at least 83 API operations, found {}",
operation_count
);

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@@ -0,0 +1,304 @@
//! Agent binary download endpoints
//!
//! Provides endpoints for downloading the attune-agent binary for injection
//! into arbitrary containers. This supports deployments where shared Docker
//! volumes are impractical (Kubernetes, ECS, remote Docker hosts).
use axum::{
body::Body,
extract::{Query, State},
http::{header, HeaderMap, StatusCode},
response::IntoResponse,
routing::get,
Json, Router,
};
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use tokio::fs;
use tokio_util::io::ReaderStream;
use utoipa::{IntoParams, ToSchema};
use crate::state::AppState;
/// Query parameters for the binary download endpoint
#[derive(Debug, Deserialize, IntoParams)]
pub struct BinaryDownloadParams {
/// Target architecture (x86_64, aarch64). Defaults to x86_64.
#[param(example = "x86_64")]
pub arch: Option<String>,
/// Optional bootstrap token for authentication
pub token: Option<String>,
}
/// Agent binary metadata
#[derive(Debug, Serialize, ToSchema)]
pub struct AgentBinaryInfo {
/// Available architectures
pub architectures: Vec<AgentArchInfo>,
/// Agent version (from build)
pub version: String,
}
/// Per-architecture binary info
#[derive(Debug, Serialize, ToSchema)]
pub struct AgentArchInfo {
/// Architecture name
pub arch: String,
/// Binary size in bytes
pub size_bytes: u64,
/// Whether this binary is available
pub available: bool,
}
/// Validate that the architecture name is safe (no path traversal) and normalize it.
fn validate_arch(arch: &str) -> Result<&str, (StatusCode, Json<serde_json::Value>)> {
match arch {
"x86_64" | "aarch64" => Ok(arch),
// Accept arm64 as an alias for aarch64
"arm64" => Ok("aarch64"),
_ => Err((
StatusCode::BAD_REQUEST,
Json(serde_json::json!({
"error": "Invalid architecture",
"message": format!("Unsupported architecture '{}'. Supported: x86_64, aarch64", arch),
})),
)),
}
}
/// Validate bootstrap token if configured.
///
/// If the agent config has a `bootstrap_token` set, the request must provide it
/// via the `X-Agent-Token` header or the `token` query parameter. If no token
/// is configured, access is unrestricted.
fn validate_token(
config: &attune_common::config::Config,
headers: &HeaderMap,
query_token: &Option<String>,
) -> Result<(), (StatusCode, Json<serde_json::Value>)> {
let expected_token = config
.agent
.as_ref()
.and_then(|ac| ac.bootstrap_token.as_ref());
let expected_token = match expected_token {
Some(t) => t,
None => return Ok(()), // No token configured, allow access
};
// Check X-Agent-Token header first, then query param
let provided_token = headers
.get("x-agent-token")
.and_then(|v| v.to_str().ok())
.map(|s| s.to_string())
.or_else(|| query_token.clone());
match provided_token {
Some(ref t) if t == expected_token => Ok(()),
Some(_) => Err((
StatusCode::UNAUTHORIZED,
Json(serde_json::json!({
"error": "Invalid token",
"message": "The provided bootstrap token is invalid",
})),
)),
None => Err((
StatusCode::UNAUTHORIZED,
Json(serde_json::json!({
"error": "Token required",
"message": "A bootstrap token is required. Provide via X-Agent-Token header or token query parameter.",
})),
)),
}
}
/// Download the agent binary
///
/// Returns the statically-linked attune-agent binary for the requested architecture.
/// The binary can be injected into any container to turn it into an Attune worker.
#[utoipa::path(
get,
path = "/api/v1/agent/binary",
params(BinaryDownloadParams),
responses(
(status = 200, description = "Agent binary", content_type = "application/octet-stream"),
(status = 400, description = "Invalid architecture"),
(status = 401, description = "Invalid or missing bootstrap token"),
(status = 404, description = "Agent binary not found"),
(status = 503, description = "Agent binary distribution not configured"),
),
tag = "agent"
)]
pub async fn download_agent_binary(
State(state): State<Arc<AppState>>,
headers: HeaderMap,
Query(params): Query<BinaryDownloadParams>,
) -> Result<impl IntoResponse, (StatusCode, Json<serde_json::Value>)> {
// Validate bootstrap token if configured
validate_token(&state.config, &headers, &params.token)?;
let agent_config = state.config.agent.as_ref().ok_or_else(|| {
(
StatusCode::SERVICE_UNAVAILABLE,
Json(serde_json::json!({
"error": "Not configured",
"message": "Agent binary distribution is not configured. Set agent.binary_dir in config.",
})),
)
})?;
let arch = params.arch.as_deref().unwrap_or("x86_64");
let arch = validate_arch(arch)?;
let binary_dir = std::path::Path::new(&agent_config.binary_dir);
// Try arch-specific binary first, then fall back to generic name
let arch_specific = binary_dir.join(format!("attune-agent-{}", arch));
let generic = binary_dir.join("attune-agent");
let binary_path = if arch_specific.exists() {
arch_specific
} else if generic.exists() {
tracing::debug!(
"Arch-specific binary not found at {:?}, falling back to {:?}",
arch_specific,
generic
);
generic
} else {
tracing::warn!(
"Agent binary not found. Checked: {:?} and {:?}",
arch_specific,
generic
);
return Err((
StatusCode::NOT_FOUND,
Json(serde_json::json!({
"error": "Not found",
"message": format!(
"Agent binary not found for architecture '{}'. Ensure the agent binary is built and placed in '{}'.",
arch,
agent_config.binary_dir
),
})),
));
};
// Get file metadata for Content-Length
let metadata = fs::metadata(&binary_path).await.map_err(|e| {
tracing::error!(
"Failed to read agent binary metadata at {:?}: {}",
binary_path,
e
);
(
StatusCode::INTERNAL_SERVER_ERROR,
Json(serde_json::json!({
"error": "Internal error",
"message": "Failed to read agent binary",
})),
)
})?;
// Open file for streaming
let file = fs::File::open(&binary_path).await.map_err(|e| {
tracing::error!("Failed to open agent binary at {:?}: {}", binary_path, e);
(
StatusCode::INTERNAL_SERVER_ERROR,
Json(serde_json::json!({
"error": "Internal error",
"message": "Failed to open agent binary",
})),
)
})?;
let stream = ReaderStream::new(file);
let body = Body::from_stream(stream);
let headers_response = [
(header::CONTENT_TYPE, "application/octet-stream".to_string()),
(
header::CONTENT_DISPOSITION,
"attachment; filename=\"attune-agent\"".to_string(),
),
(header::CONTENT_LENGTH, metadata.len().to_string()),
(header::CACHE_CONTROL, "public, max-age=3600".to_string()),
];
tracing::info!(
arch = arch,
size_bytes = metadata.len(),
path = ?binary_path,
"Serving agent binary download"
);
Ok((headers_response, body))
}
/// Get agent binary metadata
///
/// Returns information about available agent binaries, including
/// supported architectures and binary sizes.
#[utoipa::path(
get,
path = "/api/v1/agent/info",
responses(
(status = 200, description = "Agent binary info", body = AgentBinaryInfo),
(status = 503, description = "Agent binary distribution not configured"),
),
tag = "agent"
)]
pub async fn agent_info(
State(state): State<Arc<AppState>>,
) -> Result<impl IntoResponse, (StatusCode, Json<serde_json::Value>)> {
let agent_config = state.config.agent.as_ref().ok_or_else(|| {
(
StatusCode::SERVICE_UNAVAILABLE,
Json(serde_json::json!({
"error": "Not configured",
"message": "Agent binary distribution is not configured.",
})),
)
})?;
let binary_dir = std::path::Path::new(&agent_config.binary_dir);
let architectures = ["x86_64", "aarch64"];
let mut arch_infos = Vec::new();
for arch in &architectures {
let arch_specific = binary_dir.join(format!("attune-agent-{}", arch));
let generic = binary_dir.join("attune-agent");
let (available, size_bytes) = if arch_specific.exists() {
match fs::metadata(&arch_specific).await {
Ok(m) => (true, m.len()),
Err(_) => (false, 0),
}
} else if generic.exists() {
match fs::metadata(&generic).await {
Ok(m) => (true, m.len()),
Err(_) => (false, 0),
}
} else {
(false, 0)
};
arch_infos.push(AgentArchInfo {
arch: arch.to_string(),
size_bytes,
available,
});
}
Ok(Json(AgentBinaryInfo {
architectures: arch_infos,
version: env!("CARGO_PKG_VERSION").to_string(),
}))
}
/// Create agent routes
pub fn routes() -> Router<Arc<AppState>> {
Router::new()
.route("/agent/binary", get(download_agent_binary))
.route("/agent/info", get(agent_info))
}

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@@ -1,6 +1,7 @@
//! API route modules
pub mod actions;
pub mod agent;
pub mod analytics;
pub mod artifacts;
pub mod auth;
@@ -19,6 +20,7 @@ pub mod webhooks;
pub mod workflows;
pub use actions::routes as action_routes;
pub use agent::routes as agent_routes;
pub use analytics::routes as analytics_routes;
pub use artifacts::routes as artifact_routes;
pub use auth::routes as auth_routes;

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@@ -179,6 +179,8 @@ pub async fn create_runtime(
distributions: request.distributions,
installation: request.installation,
execution_config: request.execution_config,
auto_detected: false,
detection_config: serde_json::json!({}),
},
)
.await?;
@@ -232,6 +234,7 @@ pub async fn update_runtime(
NullableJsonPatch::Clear => Patch::Clear,
}),
execution_config: request.execution_config,
..Default::default()
},
)
.await?;

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@@ -60,6 +60,7 @@ impl Server {
.merge(routes::history_routes())
.merge(routes::analytics_routes())
.merge(routes::artifact_routes())
.merge(routes::agent_routes())
.with_state(self.state.clone());
// Auth routes at root level (not versioned for frontend compatibility)