Extract cfgsync into standalone crates

Cargo.lock

@@ -916,14 +916,33 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "cfgsync-adapter"
+version = "0.1.0"
+dependencies = [
+ "thiserror 2.0.18",
+]
+
+[[package]]
+name = "cfgsync-artifacts"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "cfgsync-core"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "axum",
+ "cfgsync-artifacts",
  "reqwest",
  "serde",
  "serde_json",
+ "serde_yaml",
+ "tempfile",
  "thiserror 2.0.18",
  "tokio",
 ]
@@ -937,8 +956,10 @@ dependencies = [
  "clap",
  "serde",
  "serde_yaml",
- "testing-framework-core",
+ "tempfile",
+ "thiserror 2.0.18",
  "tokio",
+ "tracing",
 ]
 
 [[package]]
@@ -2891,8 +2912,8 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-trait",
+ "cfgsync-adapter",
  "cfgsync-core",
- "cfgsync-runtime",
  "kube",
  "logos-blockchain-http-api-common",
  "reqwest",
@@ -6528,6 +6549,7 @@ name = "testing-framework-core"
 version = "0.1.0"
 dependencies = [
  "async-trait",
+ "cfgsync-adapter",
  "futures",
  "parking_lot",
  "prometheus-http-query",

Cargo.toml

@@ -1,5 +1,9 @@
 [workspace]
 members = [
+  "cfgsync/adapter",
+  "cfgsync/artifacts",
+  "cfgsync/core",
+  "cfgsync/runtime",
   "logos/examples",
   "logos/runtime/env",
   "logos/runtime/ext",
@@ -8,8 +12,6 @@ members = [
   "testing-framework/deployers/compose",
   "testing-framework/deployers/k8s",
   "testing-framework/deployers/local",
-  "testing-framework/tools/cfgsync-core",
-  "testing-framework/tools/cfgsync-runtime",
 ]
 resolver = "2"
 
@@ -31,7 +33,9 @@ all = "allow"
 
 [workspace.dependencies]
 # Local testing framework crates
-cfgsync-core                     = { default-features = false, path = "testing-framework/tools/cfgsync-core" }
+cfgsync-adapter                  = { default-features = false, path = "cfgsync/adapter" }
+cfgsync-artifacts                = { default-features = false, path = "cfgsync/artifacts" }
+cfgsync-core                     = { default-features = false, path = "cfgsync/core" }
 lb-ext                           = { default-features = false, path = "logos/runtime/ext" }
 lb-framework                     = { default-features = false, package = "testing_framework", git = "https://github.com/logos-blockchain/logos-blockchain.git", rev = "5ebe88a6e89ec6d7dd89e123c46f6b26dd1e4667" }
 lb-workloads                     = { default-features = false, path = "logos/runtime/workloads" }
@@ -40,10 +44,11 @@ testing-framework-env            = { default-features = false, path = "logos/run
 testing-framework-runner-compose = { default-features = false, path = "testing-framework/deployers/compose" }
 testing-framework-runner-k8s     = { default-features = false, path = "testing-framework/deployers/k8s" }
 testing-framework-runner-local   = { default-features = false, path = "testing-framework/deployers/local" }
+testing-framework-workflows      = { default-features = false, package = "lb-workloads", path = "logos/runtime/workloads" }
 
 # Logos dependencies (from logos-blockchain master @ deccbb2d2)
 broadcast-service = { default-features = false, package = "logos-blockchain-chain-broadcast-service", git = "https://github.com/logos-blockchain/logos-blockchain.git", rev = "5ebe88a6e89ec6d7dd89e123c46f6b26dd1e4667" }
-cfgsync_runtime = { default-features = false, package = "cfgsync-runtime", path = "testing-framework/tools/cfgsync-runtime" }
+cfgsync_runtime = { default-features = false, package = "cfgsync-runtime", path = "cfgsync/runtime" }
 chain-leader = { default-features = false, features = [
   "pol-dev-mode",
 ], package = "logos-blockchain-chain-leader-service", git = "https://github.com/logos-blockchain/logos-blockchain.git", rev = "5ebe88a6e89ec6d7dd89e123c46f6b26dd1e4667" }

cfgsync/adapter/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+categories  = { workspace = true }
+description = { workspace = true }
+edition     = { workspace = true }
+keywords    = { workspace = true }
+license     = { workspace = true }
+name        = "cfgsync-adapter"
+readme      = { workspace = true }
+repository  = { workspace = true }
+version     = { workspace = true }
+
+[lints]
+workspace = true
+
+[dependencies]
+thiserror = { workspace = true }

cfgsync/adapter/src/lib.rs

@@ -0,0 +1,119 @@
+use std::error::Error;
+
+use thiserror::Error;
+
+/// Type-erased cfgsync adapter error used to preserve source context.
+pub type DynCfgsyncError = Box<dyn Error + Send + Sync + 'static>;
+
+/// Per-node rendered config output used to build cfgsync bundles.
+#[derive(Debug, Clone)]
+pub struct CfgsyncNodeConfig {
+    /// Stable node identifier resolved by the adapter.
+    pub identifier: String,
+    /// Serialized config payload for the node.
+    pub config_yaml: String,
+}
+
+/// Adapter contract for converting an application deployment model into
+/// node-specific serialized config payloads.
+pub trait CfgsyncEnv {
+    type Deployment;
+    type Node;
+    type NodeConfig;
+    type Error: Error + Send + Sync + 'static;
+
+    fn nodes(deployment: &Self::Deployment) -> &[Self::Node];
+
+    fn node_identifier(index: usize, node: &Self::Node) -> String;
+
+    fn build_node_config(
+        deployment: &Self::Deployment,
+        node: &Self::Node,
+    ) -> Result<Self::NodeConfig, Self::Error>;
+
+    fn rewrite_for_hostnames(
+        deployment: &Self::Deployment,
+        node_index: usize,
+        hostnames: &[String],
+        config: &mut Self::NodeConfig,
+    ) -> Result<(), Self::Error>;
+
+    fn serialize_node_config(config: &Self::NodeConfig) -> Result<String, Self::Error>;
+}
+
+/// High-level failures while building adapter output for cfgsync.
+#[derive(Debug, Error)]
+pub enum BuildCfgsyncNodesError {
+    #[error("cfgsync hostnames mismatch (nodes={nodes}, hostnames={hostnames})")]
+    HostnameCountMismatch { nodes: usize, hostnames: usize },
+    #[error("cfgsync adapter failed: {source}")]
+    Adapter {
+        #[source]
+        source: DynCfgsyncError,
+    },
+}
+
+fn adapter_error<E>(source: E) -> BuildCfgsyncNodesError
+where
+    E: Error + Send + Sync + 'static,
+{
+    BuildCfgsyncNodesError::Adapter {
+        source: Box::new(source),
+    }
+}
+
+/// Builds cfgsync node configs for a deployment by:
+/// 1) validating hostname count,
+/// 2) building each node config,
+/// 3) rewriting host references,
+/// 4) serializing each node payload.
+pub fn build_cfgsync_node_configs<E: CfgsyncEnv>(
+    deployment: &E::Deployment,
+    hostnames: &[String],
+) -> Result<Vec<CfgsyncNodeConfig>, BuildCfgsyncNodesError> {
+    let nodes = E::nodes(deployment);
+    ensure_hostname_count(nodes.len(), hostnames.len())?;
+
+    let mut output = Vec::with_capacity(nodes.len());
+    for (index, node) in nodes.iter().enumerate() {
+        output.push(build_node_entry::<E>(deployment, node, index, hostnames)?);
+    }
+
+    Ok(output)
+}
+
+fn ensure_hostname_count(nodes: usize, hostnames: usize) -> Result<(), BuildCfgsyncNodesError> {
+    if nodes != hostnames {
+        return Err(BuildCfgsyncNodesError::HostnameCountMismatch { nodes, hostnames });
+    }
+
+    Ok(())
+}
+
+fn build_node_entry<E: CfgsyncEnv>(
+    deployment: &E::Deployment,
+    node: &E::Node,
+    index: usize,
+    hostnames: &[String],
+) -> Result<CfgsyncNodeConfig, BuildCfgsyncNodesError> {
+    let node_config = build_rewritten_node_config::<E>(deployment, node, index, hostnames)?;
+    let config_yaml = E::serialize_node_config(&node_config).map_err(adapter_error)?;
+
+    Ok(CfgsyncNodeConfig {
+        identifier: E::node_identifier(index, node),
+        config_yaml,
+    })
+}
+
+fn build_rewritten_node_config<E: CfgsyncEnv>(
+    deployment: &E::Deployment,
+    node: &E::Node,
+    index: usize,
+    hostnames: &[String],
+) -> Result<E::NodeConfig, BuildCfgsyncNodesError> {
+    let mut node_config = E::build_node_config(deployment, node).map_err(adapter_error)?;
+    E::rewrite_for_hostnames(deployment, index, hostnames, &mut node_config)
+        .map_err(adapter_error)?;
+
+    Ok(node_config)
+}

cfgsync/artifacts/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+categories  = { workspace = true }
+description = "App-agnostic cfgsync artifact model"
+edition     = { workspace = true }
+keywords    = { workspace = true }
+license     = { workspace = true }
+name        = "cfgsync-artifacts"
+readme      = { workspace = true }
+repository  = { workspace = true }
+version     = { workspace = true }
+
+[lints]
+workspace = true
+
+[dependencies]
+serde     = { workspace = true }
+thiserror = { workspace = true }

cfgsync/artifacts/src/lib.rs

@@ -0,0 +1,64 @@
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+
+/// Single file artifact delivered to a node.
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ArtifactFile {
+    /// Destination path where content should be written.
+    pub path: String,
+    /// Raw file contents.
+    pub content: String,
+}
+
+impl ArtifactFile {
+    #[must_use]
+    pub fn new(path: impl Into<String>, content: impl Into<String>) -> Self {
+        Self {
+            path: path.into(),
+            content: content.into(),
+        }
+    }
+}
+
+/// Collection of files delivered together for one node.
+#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize, Deserialize)]
+pub struct ArtifactSet {
+    pub files: Vec<ArtifactFile>,
+}
+
+impl ArtifactSet {
+    #[must_use]
+    pub fn new(files: Vec<ArtifactFile>) -> Self {
+        Self { files }
+    }
+
+    #[must_use]
+    pub fn len(&self) -> usize {
+        self.files.len()
+    }
+
+    #[must_use]
+    pub fn is_empty(&self) -> bool {
+        self.files.is_empty()
+    }
+
+    /// Validates that no two files target the same output path.
+    pub fn ensure_unique_paths(&self) -> Result<(), ArtifactValidationError> {
+        let mut seen = std::collections::HashSet::new();
+
+        for file in &self.files {
+            if !seen.insert(file.path.clone()) {
+                return Err(ArtifactValidationError::DuplicatePath(file.path.clone()));
+            }
+        }
+
+        Ok(())
+    }
+}
+
+/// Validation failures for [`ArtifactSet`].
+#[derive(Debug, Error)]
+pub enum ArtifactValidationError {
+    #[error("duplicate artifact path `{0}`")]
+    DuplicatePath(String),
+}

cfgsync/core/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+categories  = { workspace = true }
+description = { workspace = true }
+edition     = { workspace = true }
+keywords    = { workspace = true }
+license     = { workspace = true }
+name        = "cfgsync-core"
+readme      = { workspace = true }
+repository  = { workspace = true }
+version     = { workspace = true }
+
+[lints]
+workspace = true
+
+[dependencies]
+anyhow            = "1"
+axum              = { default-features = false, features = ["http1", "http2", "json", "tokio"], version = "0.7.5" }
+cfgsync-artifacts = { workspace = true }
+reqwest           = { features = ["json"], workspace = true }
+serde             = { default-features = false, features = ["derive"], version = "1" }
+serde_json        = { workspace = true }
+serde_yaml        = { workspace = true }
+thiserror         = { workspace = true }
+tokio             = { default-features = false, features = ["macros", "net", "rt-multi-thread"], version = "1" }
+
+[dev-dependencies]
+tempfile = { workspace = true }

cfgsync/core/src/bundle.rs

@@ -0,0 +1,26 @@
+use serde::{Deserialize, Serialize};
+
+use crate::CfgSyncFile;
+
+/// Top-level cfgsync bundle containing per-node file payloads.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CfgSyncBundle {
+    pub nodes: Vec<CfgSyncBundleNode>,
+}
+
+impl CfgSyncBundle {
+    #[must_use]
+    pub fn new(nodes: Vec<CfgSyncBundleNode>) -> Self {
+        Self { nodes }
+    }
+}
+
+/// Artifact set for a single node resolved by identifier.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CfgSyncBundleNode {
+    /// Stable node identifier used by cfgsync lookup.
+    pub identifier: String,
+    /// Files that should be materialized for the node.
+    #[serde(default)]
+    pub files: Vec<CfgSyncFile>,
+}

cfgsync/core/src/client.rs

@@ -6,6 +6,7 @@ use crate::{
     server::ClientIp,
 };
 
+/// cfgsync client-side request/response failures.
 #[derive(Debug, Error)]
 pub enum ClientError {
     #[error("request failed: {0}")]
@@ -20,6 +21,7 @@ pub enum ClientError {
     Decode(serde_json::Error),
 }
 
+/// Reusable HTTP client for cfgsync server endpoints.
 #[derive(Clone, Debug)]
 pub struct CfgSyncClient {
     base_url: String,
@@ -44,6 +46,7 @@ impl CfgSyncClient {
         &self.base_url
     }
 
+    /// Fetches `/node` payload for a node identifier.
     pub async fn fetch_node_config(
         &self,
         payload: &ClientIp,
@@ -51,6 +54,7 @@ impl CfgSyncClient {
         self.post_json("/node", payload).await
     }
 
+    /// Fetches `/init-with-node` payload for a node identifier.
     pub async fn fetch_init_with_node_config(
         &self,
         payload: &ClientIp,
@@ -58,6 +62,7 @@ impl CfgSyncClient {
         self.post_json("/init-with-node", payload).await
     }
 
+    /// Posts JSON payload to a cfgsync endpoint and decodes cfgsync payload.
     pub async fn post_json<P: Serialize>(
         &self,
         path: &str,

cfgsync/core/src/lib.rs

@@ -0,0 +1,18 @@
+pub mod bundle;
+pub mod client;
+pub mod render;
+pub mod repo;
+pub mod server;
+
+pub use bundle::{CfgSyncBundle, CfgSyncBundleNode};
+pub use client::{CfgSyncClient, ClientError};
+pub use render::{
+    CfgsyncConfigOverrides, CfgsyncOutputPaths, RenderedCfgsync, apply_cfgsync_overrides,
+    apply_timeout_floor, ensure_bundle_path, load_cfgsync_template_yaml,
+    render_cfgsync_yaml_from_template, write_rendered_cfgsync,
+};
+pub use repo::{
+    CFGSYNC_SCHEMA_VERSION, CfgSyncErrorCode, CfgSyncErrorResponse, CfgSyncFile, CfgSyncPayload,
+    ConfigProvider, ConfigRepo, FileConfigProvider, FileConfigProviderError, RepoResponse,
+};
+pub use server::{CfgSyncState, ClientIp, RunCfgsyncError, cfgsync_app, run_cfgsync};

cfgsync/core/src/render.rs

@@ -2,19 +2,25 @@ use std::{fs, path::Path};
 
 use anyhow::{Context as _, Result};
 use serde_yaml::{Mapping, Value};
+use thiserror::Error;
 
+/// Rendered cfgsync outputs written for server startup.
 #[derive(Debug, Clone)]
 pub struct RenderedCfgsync {
+    /// Serialized cfgsync server config YAML.
     pub config_yaml: String,
+    /// Serialized node bundle YAML.
     pub bundle_yaml: String,
 }
 
+/// Output paths used when materializing rendered cfgsync files.
 #[derive(Debug, Clone, Copy)]
 pub struct CfgsyncOutputPaths<'a> {
     pub config_path: &'a Path,
     pub bundle_path: &'a Path,
 }
 
+/// Ensures bundle path override exists, defaulting to output bundle file name.
 pub fn ensure_bundle_path(bundle_path: &mut Option<String>, output_bundle_path: &Path) {
     if bundle_path.is_some() {
         return;
@@ -29,12 +35,14 @@ pub fn ensure_bundle_path(bundle_path: &mut Option<String>, output_bundle_path:
     );
 }
 
+/// Applies a minimum timeout floor to an existing timeout value.
 pub fn apply_timeout_floor(timeout: &mut u64, min_timeout_secs: Option<u64>) {
     if let Some(min_timeout_secs) = min_timeout_secs {
         *timeout = (*timeout).max(min_timeout_secs);
     }
 }
 
+/// Writes rendered cfgsync server and bundle YAML files.
 pub fn write_rendered_cfgsync(
     rendered: &RenderedCfgsync,
     output: CfgsyncOutputPaths<'_>,
@@ -44,6 +52,7 @@ pub fn write_rendered_cfgsync(
     Ok(())
 }
 
+/// Optional overrides applied to a cfgsync template document.
 #[derive(Debug, Clone, Default)]
 pub struct CfgsyncConfigOverrides {
     pub port: Option<u16>,
@@ -53,12 +62,20 @@ pub struct CfgsyncConfigOverrides {
     pub metrics_otlp_ingest_url: Option<String>,
 }
 
+#[derive(Debug, Error)]
+enum RenderTemplateError {
+    #[error("cfgsync template key `{key}` must be a YAML map")]
+    NonMappingEntry { key: String },
+}
+
+/// Loads cfgsync template YAML from disk.
 pub fn load_cfgsync_template_yaml(path: &Path) -> Result<Value> {
     let file = fs::File::open(path)
         .with_context(|| format!("opening cfgsync template at {}", path.display()))?;
     serde_yaml::from_reader(file).context("parsing cfgsync template")
 }
 
+/// Renders cfgsync config YAML by applying overrides to a template document.
 pub fn render_cfgsync_yaml_from_template(
     mut template: Value,
     overrides: &CfgsyncConfigOverrides,
@@ -67,6 +84,7 @@ pub fn render_cfgsync_yaml_from_template(
     serde_yaml::to_string(&template).context("serializing rendered cfgsync config")
 }
 
+/// Applies cfgsync-specific override fields to a mutable YAML document.
 pub fn apply_cfgsync_overrides(
     template: &mut Value,
     overrides: &CfgsyncConfigOverrides,
@@ -105,7 +123,7 @@ pub fn apply_cfgsync_overrides(
     }
 
     if let Some(endpoint) = &overrides.metrics_otlp_ingest_url {
-        let tracing_settings = nested_mapping_mut(root, "tracing_settings");
+        let tracing_settings = nested_mapping_mut(root, "tracing_settings")?;
         tracing_settings.insert(
             Value::String("metrics".to_string()),
             parse_otlp_metrics_layer(endpoint)?,
@@ -121,19 +139,20 @@ fn mapping_mut(value: &mut Value) -> Result<&mut Mapping> {
         .context("cfgsync template root must be a YAML map")
 }
 
-fn nested_mapping_mut<'a>(mapping: &'a mut Mapping, key: &str) -> &'a mut Mapping {
+fn nested_mapping_mut<'a>(mapping: &'a mut Mapping, key: &str) -> Result<&'a mut Mapping> {
-    let key = Value::String(key.to_string());
+    let key_name = key.to_owned();
+    let key = Value::String(key_name.clone());
     let entry = mapping
         .entry(key)
         .or_insert_with(|| Value::Mapping(Mapping::new()));
 
     if !entry.is_mapping() {
-        *entry = Value::Mapping(Mapping::new());
+        return Err(RenderTemplateError::NonMappingEntry { key: key_name }).map_err(Into::into);
     }
 
     entry
         .as_mapping_mut()
-        .expect("mapping entry should always be a mapping")
+        .context("cfgsync template entry should be a YAML map")
 }
 
 fn parse_otlp_metrics_layer(endpoint: &str) -> Result<Value> {

cfgsync/core/src/repo.rs

@@ -0,0 +1,233 @@
+use std::{collections::HashMap, fs, path::Path, sync::Arc};
+
+use cfgsync_artifacts::ArtifactFile;
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+
+use crate::{CfgSyncBundle, CfgSyncBundleNode};
+
+/// Schema version served by cfgsync payload responses.
+pub const CFGSYNC_SCHEMA_VERSION: u16 = 1;
+
+/// Canonical cfgsync file type used in payloads and bundles.
+pub type CfgSyncFile = ArtifactFile;
+
+/// Payload returned by cfgsync server for one node.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CfgSyncPayload {
+    /// Payload schema version for compatibility checks.
+    pub schema_version: u16,
+    /// Files that must be written on the target node.
+    #[serde(default)]
+    pub files: Vec<CfgSyncFile>,
+}
+
+impl CfgSyncPayload {
+    #[must_use]
+    pub fn from_files(files: Vec<CfgSyncFile>) -> Self {
+        Self {
+            schema_version: CFGSYNC_SCHEMA_VERSION,
+            files,
+        }
+    }
+
+    #[must_use]
+    pub fn files(&self) -> &[CfgSyncFile] {
+        &self.files
+    }
+
+    #[must_use]
+    pub fn is_empty(&self) -> bool {
+        self.files.is_empty()
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum CfgSyncErrorCode {
+    MissingConfig,
+    Internal,
+}
+
+/// Structured error body returned by cfgsync server.
+#[derive(Debug, Clone, Serialize, Deserialize, Error)]
+#[error("{code:?}: {message}")]
+pub struct CfgSyncErrorResponse {
+    pub code: CfgSyncErrorCode,
+    pub message: String,
+}
+
+impl CfgSyncErrorResponse {
+    #[must_use]
+    pub fn missing_config(identifier: &str) -> Self {
+        Self {
+            code: CfgSyncErrorCode::MissingConfig,
+            message: format!("missing config for host {identifier}"),
+        }
+    }
+
+    #[must_use]
+    pub fn internal(message: impl Into<String>) -> Self {
+        Self {
+            code: CfgSyncErrorCode::Internal,
+            message: message.into(),
+        }
+    }
+}
+
+/// Repository resolution outcome for a requested node identifier.
+pub enum RepoResponse {
+    Config(CfgSyncPayload),
+    Error(CfgSyncErrorResponse),
+}
+
+/// Read-only source for cfgsync node payloads.
+pub trait ConfigProvider: Send + Sync {
+    fn resolve(&self, identifier: &str) -> RepoResponse;
+}
+
+/// In-memory map-backed provider used by cfgsync server state.
+pub struct ConfigRepo {
+    configs: HashMap<String, CfgSyncPayload>,
+}
+
+impl ConfigRepo {
+    #[must_use]
+    pub fn from_bundle(configs: HashMap<String, CfgSyncPayload>) -> Arc<Self> {
+        Arc::new(Self { configs })
+    }
+}
+
+impl ConfigProvider for ConfigRepo {
+    fn resolve(&self, identifier: &str) -> RepoResponse {
+        self.configs.get(identifier).cloned().map_or_else(
+            || RepoResponse::Error(CfgSyncErrorResponse::missing_config(identifier)),
+            RepoResponse::Config,
+        )
+    }
+}
+
+/// Failures when loading a file-backed cfgsync provider.
+#[derive(Debug, Error)]
+pub enum FileConfigProviderError {
+    #[error("failed to read cfgsync bundle at {path}: {source}")]
+    Read {
+        path: String,
+        #[source]
+        source: std::io::Error,
+    },
+    #[error("failed to parse cfgsync bundle at {path}: {source}")]
+    Parse {
+        path: String,
+        #[source]
+        source: serde_yaml::Error,
+    },
+}
+
+/// YAML bundle-backed provider implementation.
+pub struct FileConfigProvider {
+    inner: ConfigRepo,
+}
+
+impl FileConfigProvider {
+    /// Loads provider state from a cfgsync bundle YAML file.
+    pub fn from_yaml_file(path: &Path) -> Result<Self, FileConfigProviderError> {
+        let raw = fs::read_to_string(path).map_err(|source| FileConfigProviderError::Read {
+            path: path.display().to_string(),
+            source,
+        })?;
+
+        let bundle: CfgSyncBundle =
+            serde_yaml::from_str(&raw).map_err(|source| FileConfigProviderError::Parse {
+                path: path.display().to_string(),
+                source,
+            })?;
+
+        let configs = bundle
+            .nodes
+            .into_iter()
+            .map(payload_from_bundle_node)
+            .collect();
+
+        Ok(Self {
+            inner: ConfigRepo { configs },
+        })
+    }
+}
+
+impl ConfigProvider for FileConfigProvider {
+    fn resolve(&self, identifier: &str) -> RepoResponse {
+        self.inner.resolve(identifier)
+    }
+}
+
+fn payload_from_bundle_node(node: CfgSyncBundleNode) -> (String, CfgSyncPayload) {
+    (node.identifier, CfgSyncPayload::from_files(node.files))
+}
+
+#[cfg(test)]
+mod tests {
+    use std::io::Write as _;
+
+    use tempfile::NamedTempFile;
+
+    use super::*;
+
+    fn sample_payload() -> CfgSyncPayload {
+        CfgSyncPayload::from_files(vec![CfgSyncFile::new("/config.yaml", "key: value")])
+    }
+
+    #[test]
+    fn resolves_existing_identifier() {
+        let mut configs = HashMap::new();
+        configs.insert("node-1".to_owned(), sample_payload());
+        let repo = ConfigRepo { configs };
+
+        match repo.resolve("node-1") {
+            RepoResponse::Config(payload) => {
+                assert_eq!(payload.schema_version, CFGSYNC_SCHEMA_VERSION);
+                assert_eq!(payload.files.len(), 1);
+                assert_eq!(payload.files[0].path, "/config.yaml");
+            }
+            RepoResponse::Error(error) => panic!("expected config response, got {error}"),
+        }
+    }
+
+    #[test]
+    fn reports_missing_identifier() {
+        let repo = ConfigRepo {
+            configs: HashMap::new(),
+        };
+
+        match repo.resolve("unknown-node") {
+            RepoResponse::Config(_) => panic!("expected missing-config error"),
+            RepoResponse::Error(error) => {
+                assert!(matches!(error.code, CfgSyncErrorCode::MissingConfig));
+                assert!(error.message.contains("unknown-node"));
+            }
+        }
+    }
+
+    #[test]
+    fn loads_file_provider_bundle() {
+        let mut bundle_file = NamedTempFile::new().expect("create temp bundle");
+        let yaml = r#"
+nodes:
+  - identifier: node-1
+    files:
+      - path: /config.yaml
+        content: "a: 1"
+"#;
+        bundle_file
+            .write_all(yaml.as_bytes())
+            .expect("write bundle yaml");
+
+        let provider =
+            FileConfigProvider::from_yaml_file(bundle_file.path()).expect("load file provider");
+
+        match provider.resolve("node-1") {
+            RepoResponse::Config(payload) => assert_eq!(payload.files.len(), 1),
+            RepoResponse::Error(error) => panic!("expected config, got {error}"),
+        }
+    }
+}

cfgsync/core/src/server.rs

@@ -0,0 +1,172 @@
+use std::{io, net::Ipv4Addr, sync::Arc};
+
+use axum::{Json, Router, extract::State, http::StatusCode, response::IntoResponse, routing::post};
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+
+use crate::repo::{CfgSyncErrorCode, ConfigProvider, RepoResponse};
+
+/// Request payload used by cfgsync client for node config resolution.
+#[derive(Serialize, Deserialize)]
+pub struct ClientIp {
+    /// Node IP that can be used by clients for observability/logging.
+    pub ip: Ipv4Addr,
+    /// Stable node identifier used as key in cfgsync bundle lookup.
+    pub identifier: String,
+}
+
+/// Runtime state shared across cfgsync HTTP handlers.
+pub struct CfgSyncState {
+    repo: Arc<dyn ConfigProvider>,
+}
+
+impl CfgSyncState {
+    #[must_use]
+    pub fn new(repo: Arc<dyn ConfigProvider>) -> Self {
+        Self { repo }
+    }
+}
+
+/// Fatal runtime failures when serving cfgsync HTTP endpoints.
+#[derive(Debug, Error)]
+pub enum RunCfgsyncError {
+    #[error("failed to bind cfgsync server on {bind_addr}: {source}")]
+    Bind {
+        bind_addr: String,
+        #[source]
+        source: io::Error,
+    },
+    #[error("cfgsync server terminated unexpectedly: {source}")]
+    Serve {
+        #[source]
+        source: io::Error,
+    },
+}
+
+async fn node_config(
+    State(state): State<Arc<CfgSyncState>>,
+    Json(payload): Json<ClientIp>,
+) -> impl IntoResponse {
+    let response = resolve_node_config_response(&state, &payload.identifier);
+
+    match response {
+        RepoResponse::Config(payload_data) => (StatusCode::OK, Json(payload_data)).into_response(),
+        RepoResponse::Error(error) => {
+            let status = error_status(&error.code);
+
+            (status, Json(error)).into_response()
+        }
+    }
+}
+
+fn resolve_node_config_response(state: &CfgSyncState, identifier: &str) -> RepoResponse {
+    state.repo.resolve(identifier)
+}
+
+fn error_status(code: &CfgSyncErrorCode) -> StatusCode {
+    match code {
+        CfgSyncErrorCode::MissingConfig => StatusCode::NOT_FOUND,
+        CfgSyncErrorCode::Internal => StatusCode::INTERNAL_SERVER_ERROR,
+    }
+}
+
+pub fn cfgsync_app(state: CfgSyncState) -> Router {
+    Router::new()
+        .route("/node", post(node_config))
+        .route("/init-with-node", post(node_config))
+        .with_state(Arc::new(state))
+}
+
+/// Runs cfgsync HTTP server on the provided port until shutdown/error.
+pub async fn run_cfgsync(port: u16, state: CfgSyncState) -> Result<(), RunCfgsyncError> {
+    let app = cfgsync_app(state);
+    println!("Server running on http://0.0.0.0:{port}");
+
+    let bind_addr = format!("0.0.0.0:{port}");
+    let listener = tokio::net::TcpListener::bind(&bind_addr)
+        .await
+        .map_err(|source| RunCfgsyncError::Bind { bind_addr, source })?;
+
+    axum::serve(listener, app)
+        .await
+        .map_err(|source| RunCfgsyncError::Serve { source })?;
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{collections::HashMap, sync::Arc};
+
+    use axum::{Json, extract::State, http::StatusCode, response::IntoResponse};
+
+    use super::{CfgSyncState, ClientIp, node_config};
+    use crate::repo::{
+        CFGSYNC_SCHEMA_VERSION, CfgSyncErrorCode, CfgSyncErrorResponse, CfgSyncFile,
+        CfgSyncPayload, ConfigProvider, RepoResponse,
+    };
+
+    struct StaticProvider {
+        data: HashMap<String, CfgSyncPayload>,
+    }
+
+    impl ConfigProvider for StaticProvider {
+        fn resolve(&self, identifier: &str) -> RepoResponse {
+            self.data.get(identifier).cloned().map_or_else(
+                || RepoResponse::Error(CfgSyncErrorResponse::missing_config(identifier)),
+                RepoResponse::Config,
+            )
+        }
+    }
+
+    fn sample_payload() -> CfgSyncPayload {
+        CfgSyncPayload {
+            schema_version: CFGSYNC_SCHEMA_VERSION,
+            files: vec![CfgSyncFile::new("/app-config.yaml", "app: test")],
+        }
+    }
+
+    #[tokio::test]
+    async fn node_config_resolves_from_non_tf_provider() {
+        let mut data = HashMap::new();
+        data.insert("node-a".to_owned(), sample_payload());
+
+        let provider = Arc::new(StaticProvider { data });
+        let state = Arc::new(CfgSyncState::new(provider));
+        let payload = ClientIp {
+            ip: "127.0.0.1".parse().expect("valid ip"),
+            identifier: "node-a".to_owned(),
+        };
+
+        let response = node_config(State(state), Json(payload))
+            .await
+            .into_response();
+
+        assert_eq!(response.status(), StatusCode::OK);
+    }
+
+    #[tokio::test]
+    async fn node_config_returns_not_found_for_unknown_identifier() {
+        let provider = Arc::new(StaticProvider {
+            data: HashMap::new(),
+        });
+        let state = Arc::new(CfgSyncState::new(provider));
+        let payload = ClientIp {
+            ip: "127.0.0.1".parse().expect("valid ip"),
+            identifier: "missing-node".to_owned(),
+        };
+
+        let response = node_config(State(state), Json(payload))
+            .await
+            .into_response();
+
+        assert_eq!(response.status(), StatusCode::NOT_FOUND);
+    }
+
+    #[test]
+    fn missing_config_error_uses_expected_code() {
+        let error = CfgSyncErrorResponse::missing_config("missing-node");
+
+        assert!(matches!(error.code, CfgSyncErrorCode::MissingConfig));
+    }
+}

cfgsync/runtime/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+categories  = { workspace = true }
+description = { workspace = true }
+edition     = { workspace = true }
+keywords    = { workspace = true }
+license     = { workspace = true }
+name        = "cfgsync-runtime"
+readme      = { workspace = true }
+repository  = { workspace = true }
+version     = { workspace = true }
+
+[lints]
+workspace = true
+
+[dependencies]
+anyhow       = "1"
+cfgsync-core = { workspace = true }
+clap         = { version = "4", features = ["derive"] }
+serde        = { workspace = true }
+serde_yaml   = { workspace = true }
+thiserror    = { workspace = true }
+tokio        = { default-features = false, features = ["macros", "net", "rt-multi-thread"], version = "1" }
+tracing      = { workspace = true }
+
+[dev-dependencies]
+tempfile = { workspace = true }

cfgsync/runtime/src/client.rs

@@ -0,0 +1,205 @@
+use std::{
+    env, fs,
+    net::Ipv4Addr,
+    path::{Path, PathBuf},
+};
+
+use anyhow::{Context as _, Result, bail};
+use cfgsync_core::{CFGSYNC_SCHEMA_VERSION, CfgSyncClient, CfgSyncFile, CfgSyncPayload, ClientIp};
+use thiserror::Error;
+use tokio::time::{Duration, sleep};
+use tracing::info;
+
+const FETCH_ATTEMPTS: usize = 5;
+const FETCH_RETRY_DELAY: Duration = Duration::from_millis(250);
+
+#[derive(Debug, Error)]
+enum ClientEnvError {
+    #[error("CFG_HOST_IP `{value}` is not a valid IPv4 address")]
+    InvalidIp { value: String },
+}
+
+async fn fetch_with_retry(payload: &ClientIp, server_addr: &str) -> Result<CfgSyncPayload> {
+    let client = CfgSyncClient::new(server_addr);
+
+    for attempt in 1..=FETCH_ATTEMPTS {
+        match fetch_once(&client, payload).await {
+            Ok(config) => return Ok(config),
+            Err(error) => {
+                if attempt == FETCH_ATTEMPTS {
+                    return Err(error).with_context(|| {
+                        format!("fetching cfgsync payload after {attempt} attempts")
+                    });
+                }
+
+                sleep(FETCH_RETRY_DELAY).await;
+            }
+        }
+    }
+
+    unreachable!("cfgsync fetch loop always returns before exhausting attempts");
+}
+
+async fn fetch_once(client: &CfgSyncClient, payload: &ClientIp) -> Result<CfgSyncPayload> {
+    let response = client.fetch_node_config(payload).await?;
+
+    Ok(response)
+}
+
+async fn pull_config_files(payload: ClientIp, server_addr: &str) -> Result<()> {
+    let config = fetch_with_retry(&payload, server_addr)
+        .await
+        .context("fetching cfgsync node config")?;
+    ensure_schema_version(&config)?;
+
+    let files = collect_payload_files(&config)?;
+
+    for file in files {
+        write_cfgsync_file(file)?;
+    }
+
+    info!(files = files.len(), "cfgsync files saved");
+
+    Ok(())
+}
+
+fn ensure_schema_version(config: &CfgSyncPayload) -> Result<()> {
+    if config.schema_version != CFGSYNC_SCHEMA_VERSION {
+        bail!(
+            "unsupported cfgsync payload schema version {}, expected {}",
+            config.schema_version,
+            CFGSYNC_SCHEMA_VERSION
+        );
+    }
+
+    Ok(())
+}
+
+fn collect_payload_files(config: &CfgSyncPayload) -> Result<&[CfgSyncFile]> {
+    if config.is_empty() {
+        bail!("cfgsync payload contains no files");
+    }
+
+    Ok(config.files())
+}
+
+fn write_cfgsync_file(file: &CfgSyncFile) -> Result<()> {
+    let path = PathBuf::from(&file.path);
+
+    ensure_parent_dir(&path)?;
+
+    fs::write(&path, &file.content).with_context(|| format!("writing {}", path.display()))?;
+
+    info!(path = %path.display(), "cfgsync file saved");
+
+    Ok(())
+}
+
+fn ensure_parent_dir(path: &Path) -> Result<()> {
+    let Some(parent) = path.parent() else {
+        return Ok(());
+    };
+
+    if parent.as_os_str().is_empty() {
+        return Ok(());
+    }
+
+    fs::create_dir_all(parent)
+        .with_context(|| format!("creating parent directory {}", parent.display()))?;
+
+    Ok(())
+}
+
+/// Resolves cfgsync client inputs from environment and materializes node files.
+pub async fn run_cfgsync_client_from_env(default_port: u16) -> Result<()> {
+    let server_addr =
+        env::var("CFG_SERVER_ADDR").unwrap_or_else(|_| format!("http://127.0.0.1:{default_port}"));
+    let ip = parse_ip_env(&env::var("CFG_HOST_IP").unwrap_or_else(|_| "127.0.0.1".to_owned()))?;
+    let identifier =
+        env::var("CFG_HOST_IDENTIFIER").unwrap_or_else(|_| "unidentified-node".to_owned());
+
+    pull_config_files(ClientIp { ip, identifier }, &server_addr).await
+}
+
+fn parse_ip_env(ip_str: &str) -> Result<Ipv4Addr> {
+    ip_str
+        .parse()
+        .map_err(|_| ClientEnvError::InvalidIp {
+            value: ip_str.to_owned(),
+        })
+        .map_err(Into::into)
+}
+
+#[cfg(test)]
+mod tests {
+    use std::collections::HashMap;
+
+    use cfgsync_core::{
+        CfgSyncBundle, CfgSyncBundleNode, CfgSyncPayload, CfgSyncState, ConfigRepo, run_cfgsync,
+    };
+    use tempfile::tempdir;
+
+    use super::*;
+
+    #[tokio::test]
+    async fn client_materializes_multi_file_payload_from_cfgsync_server() {
+        let dir = tempdir().expect("create temp dir");
+        let app_config_path = dir.path().join("config.yaml");
+        let deployment_path = dir.path().join("deployment.yaml");
+
+        let bundle = CfgSyncBundle::new(vec![CfgSyncBundleNode {
+            identifier: "node-1".to_owned(),
+            files: vec![
+                CfgSyncFile::new(app_config_path.to_string_lossy(), "app_key: app_value"),
+                CfgSyncFile::new(deployment_path.to_string_lossy(), "mode: local"),
+            ],
+        }]);
+
+        let repo = ConfigRepo::from_bundle(bundle_to_payload_map(bundle));
+        let state = CfgSyncState::new(repo);
+        let port = allocate_test_port();
+        let address = format!("http://127.0.0.1:{port}");
+        let server = tokio::spawn(async move {
+            run_cfgsync(port, state).await.expect("run cfgsync server");
+        });
+
+        pull_config_files(
+            ClientIp {
+                ip: "127.0.0.1".parse().expect("parse ip"),
+                identifier: "node-1".to_owned(),
+            },
+            &address,
+        )
+        .await
+        .expect("pull config files");
+
+        server.abort();
+        let _ = server.await;
+
+        let app_config = fs::read_to_string(&app_config_path).expect("read app config");
+        let deployment = fs::read_to_string(&deployment_path).expect("read deployment config");
+
+        assert_eq!(app_config, "app_key: app_value");
+        assert_eq!(deployment, "mode: local");
+    }
+
+    fn bundle_to_payload_map(bundle: CfgSyncBundle) -> HashMap<String, CfgSyncPayload> {
+        bundle
+            .nodes
+            .into_iter()
+            .map(|node| {
+                let CfgSyncBundleNode { identifier, files } = node;
+
+                (identifier, CfgSyncPayload::from_files(files))
+            })
+            .collect()
+    }
+
+    fn allocate_test_port() -> u16 {
+        let listener =
+            std::net::TcpListener::bind("127.0.0.1:0").expect("bind ephemeral port for test");
+        let port = listener.local_addr().expect("read local addr").port();
+        drop(listener);
+        port
+    }
+}

cfgsync/runtime/src/lib.rs

@@ -1,6 +1,3 @@
-pub mod bundle;
-pub mod render;
-
 pub use cfgsync_core as core;
 
 mod client;

cfgsync/runtime/src/server.rs

@@ -0,0 +1,59 @@
+use std::{fs, path::Path, sync::Arc};
+
+use anyhow::Context as _;
+use cfgsync_core::{CfgSyncState, ConfigProvider, FileConfigProvider, run_cfgsync};
+use serde::Deserialize;
+
+/// Runtime cfgsync server config loaded from YAML.
+#[derive(Debug, Deserialize, Clone)]
+pub struct CfgSyncServerConfig {
+    pub port: u16,
+    pub bundle_path: String,
+}
+
+impl CfgSyncServerConfig {
+    /// Loads cfgsync runtime server config from a YAML file.
+    pub fn load_from_file(path: &Path) -> anyhow::Result<Self> {
+        let config_content = fs::read_to_string(path)
+            .with_context(|| format!("failed to read cfgsync config file {}", path.display()))?;
+
+        serde_yaml::from_str(&config_content)
+            .with_context(|| format!("failed to parse cfgsync config file {}", path.display()))
+    }
+}
+
+fn load_bundle(bundle_path: &Path) -> anyhow::Result<Arc<dyn ConfigProvider>> {
+    let provider = FileConfigProvider::from_yaml_file(bundle_path)
+        .with_context(|| format!("loading cfgsync provider from {}", bundle_path.display()))?;
+
+    Ok(Arc::new(provider))
+}
+
+fn resolve_bundle_path(config_path: &Path, bundle_path: &str) -> std::path::PathBuf {
+    let path = Path::new(bundle_path);
+    if path.is_absolute() {
+        return path.to_path_buf();
+    }
+
+    config_path
+        .parent()
+        .unwrap_or_else(|| Path::new("."))
+        .join(path)
+}
+
+/// Loads runtime config and starts cfgsync HTTP server process.
+pub async fn run_cfgsync_server(config_path: &Path) -> anyhow::Result<()> {
+    let config = CfgSyncServerConfig::load_from_file(config_path)?;
+    let bundle_path = resolve_bundle_path(config_path, &config.bundle_path);
+
+    let state = build_server_state(&bundle_path)?;
+    run_cfgsync(config.port, state).await?;
+
+    Ok(())
+}
+
+fn build_server_state(bundle_path: &Path) -> anyhow::Result<CfgSyncState> {
+    let repo = load_bundle(bundle_path)?;
+
+    Ok(CfgSyncState::new(repo))
+}

logos/infra/assets/stack/scripts/docker/build_cfgsync.sh

@@ -2,10 +2,10 @@
 set -euo pipefail
 
 RUSTFLAGS='--cfg feature="pol-dev-mode"' \
-  cargo build --manifest-path /workspace/testing-framework/tools/cfgsync-runtime/Cargo.toml --bin cfgsync-server
+  cargo build --manifest-path /workspace/cfgsync/runtime/Cargo.toml --bin cfgsync-server
 
 RUSTFLAGS='--cfg feature="pol-dev-mode"' \
-  cargo build --manifest-path /workspace/testing-framework/tools/cfgsync-runtime/Cargo.toml --bin cfgsync-client
+  cargo build --manifest-path /workspace/cfgsync/runtime/Cargo.toml --bin cfgsync-client
 
 cp /workspace/target/debug/cfgsync-server /workspace/artifacts/cfgsync-server
 cp /workspace/target/debug/cfgsync-client /workspace/artifacts/cfgsync-client

logos/runtime/ext/Cargo.toml

@@ -7,8 +7,8 @@ version     = { workspace = true }
 
 [dependencies]
 # Workspace crates
+cfgsync-adapter                  = { workspace = true }
 cfgsync-core                     = { workspace = true }
-cfgsync_runtime                  = { workspace = true }
 lb-framework                     = { workspace = true }
 testing-framework-core           = { workspace = true }
 testing-framework-env            = { workspace = true }

logos/runtime/ext/src/cfgsync/mod.rs

@@ -1,7 +1,8 @@
-use anyhow::{Result, anyhow};
+use anyhow::Result;
-pub(crate) use cfgsync_runtime::render::CfgsyncOutputPaths;
+use cfgsync_adapter::{CfgsyncEnv, build_cfgsync_node_configs};
-use cfgsync_runtime::{
+pub(crate) use cfgsync_core::render::CfgsyncOutputPaths;
-    bundle::{CfgSyncBundle, CfgSyncBundleNode, build_cfgsync_bundle_with_hostnames},
+use cfgsync_core::{
+    CfgSyncBundle, CfgSyncBundleNode,
     render::{
         CfgsyncConfigOverrides, RenderedCfgsync, ensure_bundle_path,
         render_cfgsync_yaml_from_template, write_rendered_cfgsync,
@@ -9,7 +10,7 @@ use cfgsync_runtime::{
 };
 use reqwest::Url;
 use serde_yaml::{Mapping, Value};
-use testing_framework_core::cfgsync::CfgsyncEnv;
+use thiserror::Error;
 
 pub(crate) struct CfgsyncRenderOptions {
     pub port: Option<u16>,
@@ -18,6 +19,14 @@ pub(crate) struct CfgsyncRenderOptions {
     pub metrics_otlp_ingest_url: Option<Url>,
 }
 
+#[derive(Debug, Error)]
+enum BundleRenderError {
+    #[error("cfgsync bundle node `{identifier}` is missing `/config.yaml`")]
+    MissingConfigFile { identifier: String },
+    #[error("cfgsync config file is missing `{key}`")]
+    MissingYamlKey { key: String },
+}
+
 pub(crate) fn render_cfgsync_from_template<E: CfgsyncEnv>(
     topology: &E::Deployment,
     hostnames: &[String],
@@ -26,7 +35,7 @@ pub(crate) fn render_cfgsync_from_template<E: CfgsyncEnv>(
     let cfg = build_cfgsync_server_config();
     let overrides = build_overrides::<E>(topology, options);
     let config_yaml = render_cfgsync_yaml_from_template(cfg, &overrides)?;
-    let mut bundle = build_cfgsync_bundle_with_hostnames::<E>(topology, hostnames)?;
+    let mut bundle = build_cfgsync_bundle::<E>(topology, hostnames)?;
     append_deployment_files(&mut bundle)?;
     let bundle_yaml = serde_yaml::to_string(&bundle)?;
 
@@ -36,14 +45,32 @@ pub(crate) fn render_cfgsync_from_template<E: CfgsyncEnv>(
     })
 }
 
+fn build_cfgsync_bundle<E: CfgsyncEnv>(
+    topology: &E::Deployment,
+    hostnames: &[String],
+) -> Result<CfgSyncBundle> {
+    let nodes = build_cfgsync_node_configs::<E>(topology, hostnames)?;
+    let nodes = nodes
+        .into_iter()
+        .map(|node| CfgSyncBundleNode {
+            identifier: node.identifier,
+            files: vec![build_bundle_file("/config.yaml", node.config_yaml)],
+        })
+        .collect();
+
+    Ok(CfgSyncBundle::new(nodes))
+}
+
 fn append_deployment_files(bundle: &mut CfgSyncBundle) -> Result<()> {
     for node in &mut bundle.nodes {
         if has_file_path(node, "/deployment.yaml") {
             continue;
         }
 
-        let config_content = config_file_content(node)
+        let config_content =
-            .ok_or_else(|| anyhow!("cfgsync bundle node missing /config.yaml"))?;
+            config_file_content(node).ok_or_else(|| BundleRenderError::MissingConfigFile {
+                identifier: node.identifier.clone(),
+            })?;
         let deployment_yaml = extract_yaml_key(&config_content, "deployment")?;
 
         node.files
@@ -75,7 +102,9 @@ fn extract_yaml_key(content: &str, key: &str) -> Result<String> {
     let value = document
         .get(key)
         .cloned()
-        .ok_or_else(|| anyhow!("config yaml missing `{key}`"))?;
+        .ok_or_else(|| BundleRenderError::MissingYamlKey {
+            key: key.to_owned(),
+        })?;
 
     Ok(serde_yaml::to_string(&value)?)
 }

logos/runtime/ext/src/compose_env.rs

@@ -254,7 +254,6 @@ fn build_compose_node_descriptor(
         base_volumes(),
         default_extra_hosts(),
         ports,
-        api_port,
         environment,
         platform,
     )

logos/runtime/ext/src/k8s_env.rs

@@ -31,7 +31,7 @@ use crate::{
 
 const CFGSYNC_K8S_TIMEOUT_SECS: u64 = 300;
 const K8S_FULLNAME_OVERRIDE: &str = "logos-runner";
-const DEFAULT_K8S_TESTNET_IMAGE: &str = "logos-blockchain-testing:local";
+const DEFAULT_K8S_TESTNET_IMAGE: &str = "public.ecr.aws/r4s5t9y4/logos/logos-blockchain:test";
 
 /// Paths and image metadata required to deploy the Helm chart.
 pub struct K8sAssets {

testing-framework/core/Cargo.toml

@@ -17,6 +17,7 @@ default = []
 
 [dependencies]
 async-trait           = "0.1"
+cfgsync-adapter       = { workspace = true }
 futures               = { default-features = false, features = ["std"], version = "0.3" }
 parking_lot           = { workspace = true }
 prometheus-http-query = "0.8"

testing-framework/core/src/cfgsync/mod.rs

@@ -1,84 +1 @@
-use std::error::Error;
+pub use cfgsync_adapter::*;
-
-use thiserror::Error;
-
-pub type DynCfgsyncError = Box<dyn Error + Send + Sync + 'static>;
-
-#[derive(Debug, Clone)]
-pub struct CfgsyncNodeConfig {
-    pub identifier: String,
-    pub config_yaml: String,
-}
-
-pub trait CfgsyncEnv {
-    type Deployment;
-    type Node;
-    type NodeConfig;
-    type Error: Error + Send + Sync + 'static;
-
-    fn nodes(deployment: &Self::Deployment) -> &[Self::Node];
-
-    fn node_identifier(index: usize, node: &Self::Node) -> String;
-
-    fn build_node_config(
-        deployment: &Self::Deployment,
-        node: &Self::Node,
-    ) -> Result<Self::NodeConfig, Self::Error>;
-
-    fn rewrite_for_hostnames(
-        deployment: &Self::Deployment,
-        node_index: usize,
-        hostnames: &[String],
-        config: &mut Self::NodeConfig,
-    ) -> Result<(), Self::Error>;
-
-    fn serialize_node_config(config: &Self::NodeConfig) -> Result<String, Self::Error>;
-}
-
-#[derive(Debug, Error)]
-pub enum BuildCfgsyncNodesError {
-    #[error("cfgsync hostnames mismatch (nodes={nodes}, hostnames={hostnames})")]
-    HostnameCountMismatch { nodes: usize, hostnames: usize },
-    #[error("cfgsync adapter failed: {source}")]
-    Adapter {
-        #[source]
-        source: DynCfgsyncError,
-    },
-}
-
-fn adapter_error<E>(source: E) -> BuildCfgsyncNodesError
-where
-    E: Error + Send + Sync + 'static,
-{
-    BuildCfgsyncNodesError::Adapter {
-        source: Box::new(source),
-    }
-}
-
-pub fn build_cfgsync_node_configs<E: CfgsyncEnv>(
-    deployment: &E::Deployment,
-    hostnames: &[String],
-) -> Result<Vec<CfgsyncNodeConfig>, BuildCfgsyncNodesError> {
-    let nodes = E::nodes(deployment);
-    if nodes.len() != hostnames.len() {
-        return Err(BuildCfgsyncNodesError::HostnameCountMismatch {
-            nodes: nodes.len(),
-            hostnames: hostnames.len(),
-        });
-    }
-
-    let mut output = Vec::with_capacity(nodes.len());
-    for (index, node) in nodes.iter().enumerate() {
-        let mut node_config = E::build_node_config(deployment, node).map_err(adapter_error)?;
-        E::rewrite_for_hostnames(deployment, index, hostnames, &mut node_config)
-            .map_err(adapter_error)?;
-        let config_yaml = E::serialize_node_config(&node_config).map_err(adapter_error)?;
-
-        output.push(CfgsyncNodeConfig {
-            identifier: E::node_identifier(index, node),
-            config_yaml,
-        });
-    }
-
-    Ok(output)
-}

testing-framework/core/src/lib.rs

@@ -1,3 +1,7 @@
+#[deprecated(
+    since = "0.1.0",
+    note = "testing-framework-core::cfgsync moved to cfgsync-adapter; update imports"
+)]
 pub mod cfgsync;
 pub mod env;
 pub mod runtime;

testing-framework/deployers/compose/Cargo.toml

@@ -31,4 +31,5 @@ uuid                   = { features = ["v4"], version = "1" }
 [dev-dependencies]
 groth16                       = { workspace = true }
 key-management-system-service = { workspace = true }
+serde_json                    = { workspace = true }
 zksign                        = { workspace = true }

testing-framework/deployers/compose/assets/docker-compose.yml.tera

@@ -18,9 +18,6 @@ services:
 {% for port in node.ports %}
       - {{ port }}
 {% endfor %}
-    labels:
-      testing-framework.node: "true"
-      testing-framework.api-container-port: "{{ node.api_container_port }}"
     environment:
 {% for env in node.environment %}
       {{ env.key }}: "{{ env.value }}"

testing-framework/deployers/compose/src/descriptor/node.rs

@@ -9,7 +9,6 @@ pub struct NodeDescriptor {
     volumes: Vec<String>,
     extra_hosts: Vec<String>,
     ports: Vec<String>,
-    api_container_port: u16,
     environment: Vec<EnvEntry>,
     #[serde(skip_serializing_if = "Option::is_none")]
     platform: Option<String>,
@@ -50,7 +49,6 @@ impl NodeDescriptor {
         volumes: Vec<String>,
         extra_hosts: Vec<String>,
         ports: Vec<String>,
-        api_container_port: u16,
         environment: Vec<EnvEntry>,
         platform: Option<String>,
     ) -> Self {
@@ -61,7 +59,6 @@ impl NodeDescriptor {
             volumes,
             extra_hosts,
             ports,
-            api_container_port,
             environment,
             platform,
         }
@@ -80,9 +77,4 @@ impl NodeDescriptor {
     pub fn environment(&self) -> &[EnvEntry] {
         &self.environment
     }
-
-    #[cfg(test)]
-    pub fn api_container_port(&self) -> u16 {
-        self.api_container_port
-    }
 }

testing-framework/deployers/k8s/src/env.rs

@@ -106,7 +106,8 @@ pub trait K8sDeployEnv: Application {
         format!("{release}-node-{index}")
     }
 
-    /// Label selector used to discover managed node services in attached mode.
+    /// Label selector used to discover managed node services in
+    /// existing-cluster mode.
     fn attach_node_service_selector(release: &str) -> String {
         format!("app.kubernetes.io/instance={release}")
     }

testing-framework/tools/cfgsync-core/Cargo.toml

@@ -1,21 +0,0 @@
-[package]
-categories  = { workspace = true }
-description = { workspace = true }
-edition     = { workspace = true }
-keywords    = { workspace = true }
-license     = { workspace = true }
-name        = "cfgsync-core"
-readme      = { workspace = true }
-repository  = { workspace = true }
-version     = { workspace = true }
-
-[lints]
-workspace = true
-
-[dependencies]
-axum       = { default-features = false, features = ["http1", "http2", "json", "tokio"], version = "0.7.5" }
-reqwest    = { features = ["json"], workspace = true }
-serde      = { default-features = false, features = ["derive"], version = "1" }
-serde_json = { workspace = true }
-thiserror  = { workspace = true }
-tokio      = { default-features = false, features = ["macros", "net", "rt-multi-thread"], version = "1" }

testing-framework/tools/cfgsync-core/src/lib.rs

@@ -1,10 +0,0 @@
-pub mod client;
-pub mod repo;
-pub mod server;
-
-pub use client::{CfgSyncClient, ClientError};
-pub use repo::{
-    CFGSYNC_SCHEMA_VERSION, CfgSyncErrorCode, CfgSyncErrorResponse, CfgSyncFile, CfgSyncPayload,
-    ConfigRepo, RepoResponse,
-};
-pub use server::{CfgSyncState, ClientIp, RunCfgsyncError, cfgsync_app, run_cfgsync};

testing-framework/tools/cfgsync-core/src/repo.rs

@@ -1,107 +0,0 @@
-use std::{collections::HashMap, sync::Arc};
-
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
-use tokio::sync::oneshot::Sender;
-
-pub const CFGSYNC_SCHEMA_VERSION: u16 = 1;
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct CfgSyncFile {
-    pub path: String,
-    pub content: String,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct CfgSyncPayload {
-    pub schema_version: u16,
-    #[serde(default)]
-    pub files: Vec<CfgSyncFile>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub config_yaml: Option<String>,
-}
-
-impl CfgSyncPayload {
-    #[must_use]
-    pub fn from_files(files: Vec<CfgSyncFile>) -> Self {
-        Self {
-            schema_version: CFGSYNC_SCHEMA_VERSION,
-            files,
-            config_yaml: None,
-        }
-    }
-
-    #[must_use]
-    pub fn normalized_files(&self, default_config_path: &str) -> Vec<CfgSyncFile> {
-        if !self.files.is_empty() {
-            return self.files.clone();
-        }
-
-        self.config_yaml
-            .as_ref()
-            .map(|content| {
-                vec![CfgSyncFile {
-                    path: default_config_path.to_owned(),
-                    content: content.clone(),
-                }]
-            })
-            .unwrap_or_default()
-    }
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-#[serde(rename_all = "snake_case")]
-pub enum CfgSyncErrorCode {
-    MissingConfig,
-    Internal,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize, Error)]
-#[error("{code:?}: {message}")]
-pub struct CfgSyncErrorResponse {
-    pub code: CfgSyncErrorCode,
-    pub message: String,
-}
-
-impl CfgSyncErrorResponse {
-    #[must_use]
-    pub fn missing_config(identifier: &str) -> Self {
-        Self {
-            code: CfgSyncErrorCode::MissingConfig,
-            message: format!("missing config for host {identifier}"),
-        }
-    }
-
-    #[must_use]
-    pub fn internal(message: impl Into<String>) -> Self {
-        Self {
-            code: CfgSyncErrorCode::Internal,
-            message: message.into(),
-        }
-    }
-}
-
-pub enum RepoResponse {
-    Config(CfgSyncPayload),
-    Error(CfgSyncErrorResponse),
-}
-
-pub struct ConfigRepo {
-    configs: HashMap<String, CfgSyncPayload>,
-}
-
-impl ConfigRepo {
-    #[must_use]
-    pub fn from_bundle(configs: HashMap<String, CfgSyncPayload>) -> Arc<Self> {
-        Arc::new(Self { configs })
-    }
-
-    pub async fn register(&self, identifier: String, reply_tx: Sender<RepoResponse>) {
-        let response = self.configs.get(&identifier).cloned().map_or_else(
-            || RepoResponse::Error(CfgSyncErrorResponse::missing_config(&identifier)),
-            RepoResponse::Config,
-        );
-
-        let _ = reply_tx.send(response);
-    }
-}

testing-framework/tools/cfgsync-core/src/server.rs

@@ -1,95 +0,0 @@
-use std::{io, net::Ipv4Addr, sync::Arc};
-
-use axum::{Json, Router, extract::State, http::StatusCode, response::IntoResponse, routing::post};
-use serde::{Deserialize, Serialize};
-use thiserror::Error;
-use tokio::sync::oneshot::channel;
-
-use crate::repo::{CfgSyncErrorResponse, ConfigRepo, RepoResponse};
-
-#[derive(Serialize, Deserialize)]
-pub struct ClientIp {
-    /// Node IP that can be used by clients for observability/logging.
-    pub ip: Ipv4Addr,
-    /// Stable node identifier used as key in cfgsync bundle lookup.
-    pub identifier: String,
-}
-
-pub struct CfgSyncState {
-    repo: Arc<ConfigRepo>,
-}
-
-impl CfgSyncState {
-    #[must_use]
-    pub fn new(repo: Arc<ConfigRepo>) -> Self {
-        Self { repo }
-    }
-}
-
-#[derive(Debug, Error)]
-pub enum RunCfgsyncError {
-    #[error("failed to bind cfgsync server on {bind_addr}: {source}")]
-    Bind {
-        bind_addr: String,
-        #[source]
-        source: io::Error,
-    },
-    #[error("cfgsync server terminated unexpectedly: {source}")]
-    Serve {
-        #[source]
-        source: io::Error,
-    },
-}
-
-async fn node_config(
-    State(state): State<Arc<CfgSyncState>>,
-    Json(payload): Json<ClientIp>,
-) -> impl IntoResponse {
-    let identifier = payload.identifier.clone();
-    let (reply_tx, reply_rx) = channel();
-    state.repo.register(identifier, reply_tx).await;
-
-    match reply_rx.await {
-        Err(_) => (
-            StatusCode::INTERNAL_SERVER_ERROR,
-            Json(CfgSyncErrorResponse::internal(
-                "error receiving config from repo",
-            )),
-        )
-            .into_response(),
-        Ok(RepoResponse::Config(payload_data)) => {
-            (StatusCode::OK, Json(payload_data)).into_response()
-        }
-
-        Ok(RepoResponse::Error(error)) => {
-            let status = match error.code {
-                crate::repo::CfgSyncErrorCode::MissingConfig => StatusCode::NOT_FOUND,
-                crate::repo::CfgSyncErrorCode::Internal => StatusCode::INTERNAL_SERVER_ERROR,
-            };
-            (status, Json(error)).into_response()
-        }
-    }
-}
-
-pub fn cfgsync_app(state: CfgSyncState) -> Router {
-    Router::new()
-        .route("/node", post(node_config))
-        .route("/init-with-node", post(node_config))
-        .with_state(Arc::new(state))
-}
-
-pub async fn run_cfgsync(port: u16, state: CfgSyncState) -> Result<(), RunCfgsyncError> {
-    let app = cfgsync_app(state);
-    println!("Server running on http://0.0.0.0:{port}");
-
-    let bind_addr = format!("0.0.0.0:{port}");
-    let listener = tokio::net::TcpListener::bind(&bind_addr)
-        .await
-        .map_err(|source| RunCfgsyncError::Bind { bind_addr, source })?;
-
-    axum::serve(listener, app)
-        .await
-        .map_err(|source| RunCfgsyncError::Serve { source })?;
-
-    Ok(())
-}

testing-framework/tools/cfgsync-runtime/Cargo.toml

@@ -1,22 +0,0 @@
-[package]
-categories  = { workspace = true }
-description = { workspace = true }
-edition     = { workspace = true }
-keywords    = { workspace = true }
-license     = { workspace = true }
-name        = "cfgsync-runtime"
-readme      = { workspace = true }
-repository  = { workspace = true }
-version     = { workspace = true }
-
-[lints]
-workspace = true
-
-[dependencies]
-anyhow                 = "1"
-cfgsync-core           = { workspace = true }
-clap                   = { version = "4", features = ["derive"] }
-serde                  = { workspace = true }
-serde_yaml             = { workspace = true }
-testing-framework-core = { workspace = true }
-tokio                  = { default-features = false, features = ["macros", "net", "rt-multi-thread"], version = "1" }

testing-framework/tools/cfgsync-runtime/src/bundle.rs

@@ -1,39 +0,0 @@
-use anyhow::Result;
-use cfgsync_core::CfgSyncFile;
-use serde::{Deserialize, Serialize};
-use testing_framework_core::cfgsync::{CfgsyncEnv, build_cfgsync_node_configs};
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct CfgSyncBundle {
-    pub nodes: Vec<CfgSyncBundleNode>,
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct CfgSyncBundleNode {
-    pub identifier: String,
-    #[serde(default)]
-    pub files: Vec<CfgSyncFile>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub config_yaml: Option<String>,
-}
-
-pub fn build_cfgsync_bundle_with_hostnames<E: CfgsyncEnv>(
-    deployment: &E::Deployment,
-    hostnames: &[String],
-) -> Result<CfgSyncBundle> {
-    let nodes = build_cfgsync_node_configs::<E>(deployment, hostnames)?;
-
-    Ok(CfgSyncBundle {
-        nodes: nodes
-            .into_iter()
-            .map(|node| CfgSyncBundleNode {
-                identifier: node.identifier,
-                files: vec![CfgSyncFile {
-                    path: "/config.yaml".to_owned(),
-                    content: node.config_yaml,
-                }],
-                config_yaml: None,
-            })
-            .collect(),
-    })
-}

testing-framework/tools/cfgsync-runtime/src/client.rs

@@ -1,108 +0,0 @@
-use std::{
-    env, fs,
-    net::Ipv4Addr,
-    path::{Path, PathBuf},
-};
-
-use anyhow::{Context as _, Result, anyhow, bail};
-use cfgsync_core::{CFGSYNC_SCHEMA_VERSION, CfgSyncClient, CfgSyncFile, CfgSyncPayload, ClientIp};
-use tokio::time::{Duration, sleep};
-
-const FETCH_ATTEMPTS: usize = 5;
-const FETCH_RETRY_DELAY: Duration = Duration::from_millis(250);
-
-fn parse_ip(ip_str: &str) -> Ipv4Addr {
-    ip_str.parse().unwrap_or(Ipv4Addr::LOCALHOST)
-}
-
-async fn fetch_with_retry(payload: &ClientIp, server_addr: &str) -> Result<CfgSyncPayload> {
-    let client = CfgSyncClient::new(server_addr);
-    let mut last_error: Option<anyhow::Error> = None;
-
-    for attempt in 1..=FETCH_ATTEMPTS {
-        match client.fetch_node_config(payload).await {
-            Ok(config) => return Ok(config),
-            Err(error) => {
-                last_error = Some(error.into());
-
-                if attempt < FETCH_ATTEMPTS {
-                    sleep(FETCH_RETRY_DELAY).await;
-                }
-            }
-        }
-    }
-
-    match last_error {
-        Some(error) => Err(error),
-        None => Err(anyhow!("cfgsync client fetch failed without an error")),
-    }
-}
-
-async fn pull_config_files(payload: ClientIp, server_addr: &str, config_file: &str) -> Result<()> {
-    let config = fetch_with_retry(&payload, server_addr)
-        .await
-        .context("fetching cfgsync node config")?;
-    ensure_schema_version(&config)?;
-
-    let files = collect_payload_files(&config, config_file)?;
-
-    for file in files {
-        write_cfgsync_file(&file)?;
-    }
-
-    println!("Config files saved");
-    Ok(())
-}
-
-fn ensure_schema_version(config: &CfgSyncPayload) -> Result<()> {
-    if config.schema_version != CFGSYNC_SCHEMA_VERSION {
-        bail!(
-            "unsupported cfgsync payload schema version {}, expected {}",
-            config.schema_version,
-            CFGSYNC_SCHEMA_VERSION
-        );
-    }
-
-    Ok(())
-}
-
-fn collect_payload_files(config: &CfgSyncPayload, config_file: &str) -> Result<Vec<CfgSyncFile>> {
-    let files = config.normalized_files(config_file);
-    if files.is_empty() {
-        bail!("cfgsync payload contains no files");
-    }
-
-    Ok(files)
-}
-
-fn write_cfgsync_file(file: &CfgSyncFile) -> Result<()> {
-    let path = PathBuf::from(&file.path);
-
-    ensure_parent_dir(&path)?;
-
-    fs::write(&path, &file.content).with_context(|| format!("writing {}", path.display()))?;
-
-    println!("Config saved to {}", path.display());
-    Ok(())
-}
-
-fn ensure_parent_dir(path: &Path) -> Result<()> {
-    if let Some(parent) = path.parent() {
-        if !parent.as_os_str().is_empty() {
-            fs::create_dir_all(parent)
-                .with_context(|| format!("creating parent directory {}", parent.display()))?;
-        }
-    }
-    Ok(())
-}
-
-pub async fn run_cfgsync_client_from_env(default_port: u16) -> Result<()> {
-    let config_file_path = env::var("CFG_FILE_PATH").unwrap_or_else(|_| "config.yaml".to_owned());
-    let server_addr =
-        env::var("CFG_SERVER_ADDR").unwrap_or_else(|_| format!("http://127.0.0.1:{default_port}"));
-    let ip = parse_ip(&env::var("CFG_HOST_IP").unwrap_or_else(|_| "127.0.0.1".to_owned()));
-    let identifier =
-        env::var("CFG_HOST_IDENTIFIER").unwrap_or_else(|_| "unidentified-node".to_owned());
-
-    pull_config_files(ClientIp { ip, identifier }, &server_addr, &config_file_path).await
-}

testing-framework/tools/cfgsync-runtime/src/server.rs

@@ -1,101 +0,0 @@
-use std::{collections::HashMap, fs, path::Path, sync::Arc};
-
-use anyhow::Context as _;
-use cfgsync_core::{CfgSyncFile, CfgSyncPayload, CfgSyncState, ConfigRepo, run_cfgsync};
-use serde::Deserialize;
-
-#[derive(Debug, Deserialize, Clone)]
-pub struct CfgSyncServerConfig {
-    pub port: u16,
-    pub bundle_path: String,
-}
-
-impl CfgSyncServerConfig {
-    pub fn load_from_file(path: &Path) -> anyhow::Result<Self> {
-        let config_content = fs::read_to_string(path)
-            .with_context(|| format!("failed to read cfgsync config file {}", path.display()))?;
-        serde_yaml::from_str(&config_content)
-            .with_context(|| format!("failed to parse cfgsync config file {}", path.display()))
-    }
-}
-
-#[derive(Debug, Deserialize)]
-struct CfgSyncBundle {
-    nodes: Vec<CfgSyncBundleNode>,
-}
-
-#[derive(Debug, Deserialize)]
-struct CfgSyncBundleNode {
-    identifier: String,
-    #[serde(default)]
-    files: Vec<CfgSyncFile>,
-    #[serde(default)]
-    config_yaml: Option<String>,
-}
-
-fn load_bundle(bundle_path: &Path) -> anyhow::Result<Arc<ConfigRepo>> {
-    let bundle = read_cfgsync_bundle(bundle_path)?;
-
-    let configs = bundle
-        .nodes
-        .into_iter()
-        .map(build_repo_entry)
-        .collect::<HashMap<_, _>>();
-
-    Ok(ConfigRepo::from_bundle(configs))
-}
-
-fn read_cfgsync_bundle(bundle_path: &Path) -> anyhow::Result<CfgSyncBundle> {
-    let bundle_content = fs::read_to_string(bundle_path).with_context(|| {
-        format!(
-            "failed to read cfgsync bundle file {}",
-            bundle_path.display()
-        )
-    })?;
-
-    serde_yaml::from_str(&bundle_content)
-        .with_context(|| format!("failed to parse cfgsync bundle {}", bundle_path.display()))
-}
-
-fn build_repo_entry(node: CfgSyncBundleNode) -> (String, CfgSyncPayload) {
-    let files = if node.files.is_empty() {
-        build_legacy_files(node.config_yaml)
-    } else {
-        node.files
-    };
-
-    (node.identifier, CfgSyncPayload::from_files(files))
-}
-
-fn build_legacy_files(config_yaml: Option<String>) -> Vec<CfgSyncFile> {
-    config_yaml
-        .map(|content| {
-            vec![CfgSyncFile {
-                path: "/config.yaml".to_owned(),
-                content,
-            }]
-        })
-        .unwrap_or_default()
-}
-
-fn resolve_bundle_path(config_path: &Path, bundle_path: &str) -> std::path::PathBuf {
-    let path = Path::new(bundle_path);
-    if path.is_absolute() {
-        return path.to_path_buf();
-    }
-
-    config_path
-        .parent()
-        .unwrap_or_else(|| Path::new("."))
-        .join(path)
-}
-
-pub async fn run_cfgsync_server(config_path: &Path) -> anyhow::Result<()> {
-    let config = CfgSyncServerConfig::load_from_file(config_path)?;
-    let bundle_path = resolve_bundle_path(config_path, &config.bundle_path);
-
-    let repo = load_bundle(&bundle_path)?;
-    let state = CfgSyncState::new(repo);
-    run_cfgsync(config.port, state).await?;
-    Ok(())
-}