feat: with dagger engine

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/nodata/Cargo.toml

@@ -31,6 +31,7 @@ prost = "0.13.1"
 prost-types = "0.13.1"
 chrono = { version = "0.4.38", features = ["serde"] }
 tokio-stream = "0.1.15"
+dagger-sdk = "0.11.10"
 
 [dev-dependencies]
 tracing-test = "0.2.5"

crates/nodata/src/component.rs

@@ -0,0 +1,24 @@
+use crate::dagger_engine::DaggerEngine;
+
+pub struct Component {
+    dagger_engine: DaggerEngine,
+}
+
+impl Component {
+    pub fn new(dagger_engine: DaggerEngine) -> Self {
+        Self { dagger_engine }
+    }
+    pub async fn start_component(&mut self) -> anyhow::Result<()> {
+        self.dagger_engine.start().await?;
+
+        Ok(())
+    }
+
+    pub async fn close_component(&mut self) -> anyhow::Result<()> {
+        Ok(())
+    }
+
+    pub async fn handle_transform_message(&mut self) -> anyhow::Result<()> {
+        Ok(())
+    }
+}

crates/nodata/src/dagger_engine.rs

@@ -0,0 +1,260 @@
+use std::sync::Arc;
+
+use anyhow::Context;
+use dagger_sdk::{PortForward, ServiceUpOptsBuilder};
+use tokio::net::TcpListener;
+use tokio_util::sync::CancellationToken;
+
+use crate::grpc_component::GrpcComponentClient;
+
+struct DaggerConn {
+    client: dagger_sdk::Query,
+    cancellation_token: CancellationToken,
+}
+
+impl DaggerConn {
+    pub fn new(client: &dagger_sdk::Query) -> Self {
+        Self {
+            client: client.clone(),
+            cancellation_token: CancellationToken::new(),
+        }
+    }
+
+    pub async fn start_container(
+        &self,
+        name: &str,
+        image: &str,
+        cancellation_token: CancellationToken,
+    ) -> anyhow::Result<DaggerContainer> {
+        let client = self.client.clone();
+
+        // Bind to the os, and let it select a random port above > 30000
+        let component_listener = match TcpListener::bind("127.0.0.1:0").await {
+            Ok(listener) => listener,
+            Err(e) => {
+                tracing::warn!(error = e.to_string(), "failed to allocate port");
+                anyhow::bail!(e);
+            }
+        };
+
+        let port = component_listener
+            .local_addr()
+            .context("failed to find a valid random port, you may've run out")?
+            .port();
+
+        // Let the blocking container run in the background, maintained by the cancellation token handle in the dagger container
+        let container_name = name.to_string();
+        let container_token = cancellation_token.child_token();
+        let container_image = image.to_string();
+
+        tokio::spawn(async move {
+            tokio::select! {
+                _ = container_token.cancelled() => {},
+                res = spawn_container(&client, &container_image, port) => {
+                    if let Err(e) = res {
+                        tracing::warn!(error=e.to_string(), "container {} failed", container_name);
+                    }
+                }
+            }
+        });
+
+        let grpc = match GrpcComponentClient::new(format!("127.0.0.1:{}", port)).await {
+            Ok(grpc) => grpc,
+            Err(e) => {
+                tracing::warn!(
+                    error = e.to_string(),
+                    "failed to bootstrap grpc component, service may not be up yet."
+                );
+
+                anyhow::bail!(e);
+            }
+        };
+
+        match grpc.ping().await {
+            Ok(_) => {
+                // TODO: Finally send something back to the caller
+            }
+            Err(e) => {
+                tracing::warn!(
+                    error = e.to_string(),
+                    "failed to ping grpc server, service may not be up yet."
+                );
+
+                anyhow::bail!("failed to ping container");
+            }
+        }
+
+        Ok(DaggerContainer {
+            name: name.into(),
+            image: image.into(),
+            handle: cancellation_token,
+            url: format!("127.0.0.1:{}", port),
+        })
+    }
+}
+
+pub struct DaggerEngine {
+    cancellation: CancellationToken,
+
+    dagger_conn: Arc<tokio::sync::Mutex<Option<DaggerConn>>>,
+}
+
+impl DaggerEngine {
+    pub fn new() -> Self {
+        Self {
+            cancellation: CancellationToken::default(),
+            dagger_conn: Arc::default(),
+        }
+    }
+
+    pub async fn start(&mut self) -> anyhow::Result<()> {
+        let cancellation = self.cancellation.child_token();
+        let dagger_conn = self.dagger_conn.clone();
+
+        tokio::spawn(async move {
+            let mut dagger_conn_handle = dagger_conn.lock().await;
+
+            if dagger_conn_handle.is_none() {
+                let mut dagger_conn = dagger_client(cancellation.child_token()).await;
+
+                if let Some(dagger_conn) = dagger_conn.recv().await {
+                    *dagger_conn_handle = Some(dagger_conn);
+                }
+            }
+        });
+
+        Ok(())
+    }
+
+    pub async fn stop(&mut self) -> anyhow::Result<()> {
+        self.cancellation.cancel();
+
+        Ok(())
+    }
+
+    pub async fn start_container(
+        &self,
+        name: impl Into<String>,
+        image: impl Into<String>,
+    ) -> anyhow::Result<DaggerContainer> {
+        let name = name.into();
+        let image = image.into();
+
+        for i in 0..5 {
+            let channel = self.dagger_conn.lock().await;
+            if channel.is_some() {
+                // TODO: fill out
+
+                match channel
+                    .as_ref()
+                    .unwrap()
+                    .start_container(&name, &image, self.cancellation.child_token())
+                    .await
+                {
+                    Ok(container) => return Ok(container),
+                    Err(e) => {
+                        tracing::info!(
+                            container_name = name,
+                            error = e.to_string(),
+                            "failed to get container"
+                        );
+                    }
+                }
+            }
+
+            tokio::time::sleep(std::time::Duration::from_secs(i)).await
+        }
+
+        anyhow::bail!("failed to find a valid channel, aborting")
+    }
+}
+
+pub struct DaggerContainer {
+    name: String,
+    handle: CancellationToken,
+    image: String,
+    url: String,
+}
+
+impl DaggerContainer {
+    pub async fn grpc_handle(&self) -> anyhow::Result<GrpcComponentClient> {
+        let client = GrpcComponentClient::new(&self.url).await?;
+
+        Ok(client)
+    }
+}
+
+async fn dagger_client(cancellation: CancellationToken) -> tokio::sync::mpsc::Receiver<DaggerConn> {
+    let (tx, rx) = tokio::sync::mpsc::channel::<DaggerConn>(1);
+
+    tokio::spawn(async move {
+        if let Err(e) = dagger_sdk::connect(|client| async move {
+            tx.send(DaggerConn::new(&client)).await?;
+
+            cancellation.cancelled().await;
+
+            Ok(())
+        })
+        .await
+        {
+            tracing::warn!(
+                error = e.to_string(),
+                "failed to handle dagger connect, components may not be executed as they should "
+            );
+        }
+    });
+
+    rx
+}
+
+async fn spawn_container(
+    client: &dagger_sdk::Query,
+    image: &str,
+    outer_port: u16,
+) -> anyhow::Result<()> {
+    let service = client
+        .container()
+        .from(image)
+        .with_exposed_port(80)
+        .as_service();
+
+    service
+        .up_opts(
+            ServiceUpOptsBuilder::default()
+                .ports(vec![PortForward {
+                    backend: 80,
+                    frontend: outer_port as isize,
+                    protocol: dagger_sdk::NetworkProtocol::Tcp,
+                }])
+                .build()?,
+        )
+        .await?;
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use tracing_test::traced_test;
+
+    use super::*;
+
+    #[tokio::test]
+    #[traced_test]
+    async fn test_can_use_dagger_engine() -> anyhow::Result<()> {
+        let mut dagger_engine = DaggerEngine::new();
+
+        tracing::info!("starting dagger engine");
+        dagger_engine.start().await?;
+
+        tracing::info!("starting dagger container");
+        let container = dagger_engine
+            .start_container("some_name", "nginx:latest")
+            .await?;
+
+        tracing::info!("getting grpc handle");
+        let _ = container.grpc_handle().await?;
+
+        Ok(())
+    }
+}

crates/nodata/src/gen/nodata.v1.rs

@@ -2,60 +2,78 @@
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct PublishEventRequest {
-    #[prost(string, tag = "1")]
+    #[prost(string, tag="1")]
     pub topic: ::prost::alloc::string::String,
-    #[prost(message, optional, tag = "2")]
+    #[prost(message, optional, tag="2")]
     pub published: ::core::option::Option<::prost_types::Timestamp>,
-    #[prost(string, tag = "3")]
+    #[prost(string, tag="3")]
     pub key: ::prost::alloc::string::String,
-    #[prost(bytes = "vec", tag = "4")]
+    #[prost(bytes="vec", tag="4")]
     pub value: ::prost::alloc::vec::Vec<u8>,
-    #[prost(string, optional, tag = "5")]
+    #[prost(string, optional, tag="5")]
     pub id: ::core::option::Option<::prost::alloc::string::String>,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
-pub struct PublishEventResponse {}
+pub struct PublishEventResponse {
+}
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
-pub struct GetTopicsRequest {}
+pub struct GetTopicsRequest {
+}
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetTopicsResponse {
-    #[prost(string, repeated, tag = "1")]
+    #[prost(string, repeated, tag="1")]
     pub topics: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetKeysRequest {
-    #[prost(string, tag = "1")]
+    #[prost(string, tag="1")]
     pub topic: ::prost::alloc::string::String,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetKeysResponse {
-    #[prost(string, repeated, tag = "1")]
+    #[prost(string, repeated, tag="1")]
     pub keys: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SubscribeRequest {
-    #[prost(string, tag = "1")]
+    #[prost(string, tag="1")]
     pub topic: ::prost::alloc::string::String,
-    #[prost(string, tag = "2")]
+    #[prost(string, tag="2")]
     pub key: ::prost::alloc::string::String,
 }
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SubscribeResponse {
-    #[prost(string, tag = "1")]
+    #[prost(string, tag="1")]
     pub id: ::prost::alloc::string::String,
-    #[prost(message, optional, tag = "2")]
+    #[prost(message, optional, tag="2")]
     pub published: ::core::option::Option<::prost_types::Timestamp>,
-    #[prost(uint64, tag = "3")]
+    #[prost(uint64, tag="3")]
     pub offset: u64,
-    #[prost(bytes = "vec", tag = "4")]
+    #[prost(bytes="vec", tag="4")]
     pub value: ::prost::alloc::vec::Vec<u8>,
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct HandleMsgRequest {
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct HandleMsgResponse {
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PingRequest {
+}
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct PingResponse {
+}
 include!("nodata.v1.tonic.rs");
-// @@protoc_insertion_point(module)
+// @@protoc_insertion_point(module)

crates/nodata/src/gen/nodata.v1.tonic.rs

@@ -527,3 +527,373 @@ pub mod no_data_service_server {
         const NAME: &'static str = "nodata.v1.NoDataService";
     }
 }
+/// Generated client implementations.
+pub mod no_data_component_client {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    ///
+    #[derive(Debug, Clone)]
+    pub struct NoDataComponentClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl NoDataComponentClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> NoDataComponentClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> NoDataComponentClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + Send + Sync,
+        {
+            NoDataComponentClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        ///
+        pub async fn transform_msg(
+            &mut self,
+            request: impl tonic::IntoRequest<super::HandleMsgRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::HandleMsgResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/nodata.v1.NoDataComponent/TransformMsg",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("nodata.v1.NoDataComponent", "TransformMsg"));
+            self.inner.unary(req, path, codec).await
+        }
+        ///
+        pub async fn ping(
+            &mut self,
+            request: impl tonic::IntoRequest<super::PingRequest>,
+        ) -> std::result::Result<tonic::Response<super::PingResponse>, tonic::Status> {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/nodata.v1.NoDataComponent/Ping",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("nodata.v1.NoDataComponent", "Ping"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod no_data_component_server {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with NoDataComponentServer.
+    #[async_trait]
+    pub trait NoDataComponent: Send + Sync + 'static {
+        ///
+        async fn transform_msg(
+            &self,
+            request: tonic::Request<super::HandleMsgRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::HandleMsgResponse>,
+            tonic::Status,
+        >;
+        ///
+        async fn ping(
+            &self,
+            request: tonic::Request<super::PingRequest>,
+        ) -> std::result::Result<tonic::Response<super::PingResponse>, tonic::Status>;
+    }
+    ///
+    #[derive(Debug)]
+    pub struct NoDataComponentServer<T: NoDataComponent> {
+        inner: _Inner<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    struct _Inner<T>(Arc<T>);
+    impl<T: NoDataComponent> NoDataComponentServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            let inner = _Inner(inner);
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for NoDataComponentServer<T>
+    where
+        T: NoDataComponent,
+        B: Body + Send + 'static,
+        B::Error: Into<StdError> + Send + 'static,
+    {
+        type Response = http::Response<tonic::body::BoxBody>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            let inner = self.inner.clone();
+            match req.uri().path() {
+                "/nodata.v1.NoDataComponent/TransformMsg" => {
+                    #[allow(non_camel_case_types)]
+                    struct TransformMsgSvc<T: NoDataComponent>(pub Arc<T>);
+                    impl<
+                        T: NoDataComponent,
+                    > tonic::server::UnaryService<super::HandleMsgRequest>
+                    for TransformMsgSvc<T> {
+                        type Response = super::HandleMsgResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::HandleMsgRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as NoDataComponent>::transform_msg(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = TransformMsgSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                "/nodata.v1.NoDataComponent/Ping" => {
+                    #[allow(non_camel_case_types)]
+                    struct PingSvc<T: NoDataComponent>(pub Arc<T>);
+                    impl<
+                        T: NoDataComponent,
+                    > tonic::server::UnaryService<super::PingRequest> for PingSvc<T> {
+                        type Response = super::PingResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::PingRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                <T as NoDataComponent>::ping(&inner, request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = PingSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                _ => {
+                    Box::pin(async move {
+                        Ok(
+                            http::Response::builder()
+                                .status(200)
+                                .header("grpc-status", "12")
+                                .header("content-type", "application/grpc")
+                                .body(empty_body())
+                                .unwrap(),
+                        )
+                    })
+                }
+            }
+        }
+    }
+    impl<T: NoDataComponent> Clone for NoDataComponentServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    impl<T: NoDataComponent> Clone for _Inner<T> {
+        fn clone(&self) -> Self {
+            Self(Arc::clone(&self.0))
+        }
+    }
+    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            write!(f, "{:?}", self.0)
+        }
+    }
+    impl<T: NoDataComponent> tonic::server::NamedService for NoDataComponentServer<T> {
+        const NAME: &'static str = "nodata.v1.NoDataComponent";
+    }
+}

crates/nodata/src/grpc_component.rs

@@ -0,0 +1,26 @@
+use no_data_component_client::NoDataComponentClient;
+use tonic::transport::Channel;
+
+include!("gen/nodata.v1.rs");
+
+pub struct GrpcComponentClient {
+    host_name: String,
+}
+
+impl GrpcComponentClient {
+    pub async fn new(host_name: impl Into<String>) -> anyhow::Result<Self> {
+        Ok(Self {
+            host_name: host_name.into(),
+        })
+    }
+
+    pub async fn ping(&self) -> anyhow::Result<Option<()>> {
+        self.create_client().await?.ping(PingRequest {}).await?;
+
+        Ok(Some(()))
+    }
+
+    pub(crate) async fn create_client(&self) -> anyhow::Result<NoDataComponentClient<Channel>> {
+        Ok(NoDataComponentClient::connect(self.host_name.clone()).await?)
+    }
+}

crates/nodata/src/main.rs

@@ -1,8 +1,11 @@
 mod broker;
+mod dagger_engine;
 mod grpc;
+mod grpc_component;
 mod http;
 mod state;
 
+mod component;
 mod services;
 
 use std::net::SocketAddr;