feat: container-type level version compatibility check

Cargo.toml

@@ -32,6 +32,7 @@ tracing = "0.1.40"
 uuid = { version = "1.10.0", features = ["v4"] }
 thiserror = "1.0"
 hyper-util = "0.1.7"
+lazy_static = "1.5.0"
 
 [build-dependencies]
 tonic-build = "0.12.2"

src/batchmap.rs

@@ -15,7 +15,7 @@ use crate::error::Error;
 use crate::error::Error::BatchMapError;
 use crate::error::ErrorKind::{InternalError, UserDefinedError};
 use crate::shared;
-use crate::shared::shutdown_signal;
+use crate::shared::{shutdown_signal, ContainerType};
 
 const DEFAULT_MAX_MESSAGE_SIZE: usize = 64 * 1024 * 1024;
 const DEFAULT_SOCK_ADDR: &str = "/var/run/numaflow/batchmap.sock";
@@ -472,6 +472,13 @@ impl<T> crate::batchmap::Server<T> {
         T: BatchMapper + Send + Sync + 'static,
     {
         let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the map container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::Map)
+                .copied()
+                .unwrap_or_default(),
+        );
         // update the info json metadata field, and add the map mode
         info.set_metadata(shared::MAP_MODE_KEY, shared::BATCH_MAP);
         let listener =

src/map.rs

@@ -1,7 +1,7 @@
 use crate::error::Error::MapError;
 use crate::error::ErrorKind::{InternalError, UserDefinedError};
 use crate::shared;
-use crate::shared::shutdown_signal;
+use crate::shared::{shutdown_signal, ContainerType};
 use chrono::{DateTime, Utc};
 use std::collections::HashMap;
 use std::fs;
@@ -309,6 +309,13 @@ impl<T> Server<T> {
         T: Mapper + Send + Sync + 'static,
     {
         let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the map container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::Map)
+                .copied()
+                .unwrap_or_default(),
+        );
         // update the info json metadata field, and add the map mode key value pair
         info.set_metadata(shared::MAP_MODE_KEY, shared::UNARY_MAP);
 

src/reduce.rs

@@ -15,7 +15,7 @@ use crate::error::Error;
 use crate::error::Error::ReduceError;
 use crate::error::ErrorKind::{InternalError, UserDefinedError};
 use crate::shared;
-use crate::shared::prost_timestamp_from_utc;
+use crate::shared::{prost_timestamp_from_utc, ContainerType};
 
 const KEY_JOIN_DELIMITER: &str = ":";
 const DEFAULT_MAX_MESSAGE_SIZE: usize = 64 * 1024 * 1024;
@@ -817,11 +817,16 @@ impl<C> Server<C> {
     where
         C: ReducerCreator + Send + Sync + 'static,
     {
-        let listener = shared::create_listener_stream(
-            &self.sock_addr,
-            &self.server_info_file,
-            shared::ServerInfo::default(),
-        )?;
+        let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the reduce container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::Reduce)
+                .copied()
+                .unwrap_or_default(),
+        );
+        let listener =
+            shared::create_listener_stream(&self.sock_addr, &self.server_info_file, info)?;
         let creator = self.creator.take().unwrap();
         let (internal_shutdown_tx, internal_shutdown_rx) = channel(1);
         let cln_token = CancellationToken::new();

src/shared.rs

@@ -3,6 +3,7 @@ use std::path::Path;
 use std::{collections::HashMap, io};
 
 use chrono::{DateTime, TimeZone, Timelike, Utc};
+use lazy_static::lazy_static;
 use prost_types::Timestamp;
 use serde::{Deserialize, Serialize};
 use tokio::net::UnixListener;
@@ -15,6 +16,16 @@ pub(crate) const MAP_MODE_KEY: &str = "MAP_MODE";
 pub(crate) const UNARY_MAP: &str = "unary-map";
 pub(crate) const BATCH_MAP: &str = "batch-map";
 
+#[derive(Eq, PartialEq, Hash)]
+pub(crate) enum ContainerType {
+    Map,
+    Reduce,
+    Sink,
+    Source,
+    SourceTransformer,
+    SideInput,
+}
+
 // Minimum version of Numaflow required by the current SDK version
 //
 // Updating this value:
@@ -32,7 +43,18 @@ pub(crate) const BATCH_MAP: &str = "batch-map";
 // Therefore, we translate ">= a.b.c" into ">= a.b.c-z".
 // The character 'z' is the largest in the ASCII table, ensuring that all RC versions are recognized as
 // smaller than any stable version suffixed with '-z'.
-const MINIMUM_NUMAFLOW_VERSION: &str = "1.3.1-z";
+lazy_static! {
+    pub(crate) static ref MinimumNumaflowVersion: HashMap<ContainerType, &'static str> = {
+        let mut m = HashMap::new();
+        m.insert(ContainerType::Source, "1.3.1-z");
+        m.insert(ContainerType::Map, "1.3.1-z");
+        m.insert(ContainerType::Reduce, "1.3.1-z");
+        m.insert(ContainerType::Sink, "1.3.1-z");
+        m.insert(ContainerType::SourceTransformer, "1.3.1-z");
+        m.insert(ContainerType::SideInput, "1.3.1-z");
+        m
+    };
+}
 const SDK_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 // ServerInfo structure to store server-related information
@@ -61,7 +83,7 @@ impl ServerInfo {
         ServerInfo {
             protocol: "uds".to_string(),
             language: "rust".to_string(),
-            minimum_numaflow_version: MINIMUM_NUMAFLOW_VERSION.to_string(),
+            minimum_numaflow_version: "".to_string(),
             version: SDK_VERSION.to_string(),
             metadata: Option::from(metadata),
         }
@@ -86,6 +108,11 @@ impl ServerInfo {
             self.metadata = Some(metadata);
         }
     }
+
+    // Set minimum numaflow version
+    pub fn set_minimum_numaflow_version(&mut self, version: &str) {
+        self.minimum_numaflow_version = version.to_string();
+    }
 }
 
 // #[tracing::instrument(skip(path), fields(path = ?path.as_ref()))]
@@ -100,7 +127,7 @@ fn write_info_file(path: impl AsRef<Path>, mut server_info: ServerInfo) -> io::R
         server_info = ServerInfo::default();
     }
     // Convert to a string of JSON and print it out
-    let serialized = serde_json::to_string(&server_info).unwrap();
+    let serialized = serde_json::to_string(&server_info)?;
     let content = format!("{}U+005C__END__", serialized);
     info!(content, "Writing to file");
     fs::write(path, content)

src/sideinput.rs

@@ -1,7 +1,7 @@
 use crate::error::Error::SideInputError;
 use crate::error::ErrorKind::{InternalError, UserDefinedError};
 use crate::shared;
-use crate::shared::shutdown_signal;
+use crate::shared::{shutdown_signal, ContainerType};
 use std::fs;
 use std::path::PathBuf;
 use std::sync::Arc;
@@ -194,11 +194,16 @@ impl<T> Server<T> {
     where
         T: SideInputer + Send + Sync + 'static,
     {
-        let listener = shared::create_listener_stream(
-            &self.sock_addr,
-            &self.server_info_file,
-            shared::ServerInfo::default(),
-        )?;
+        let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the side input container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::SideInput)
+                .copied()
+                .unwrap_or_default(),
+        );
+        let listener =
+            shared::create_listener_stream(&self.sock_addr, &self.server_info_file, info)?;
         let handler = self.svc.take().unwrap();
         let (internal_shutdown_tx, internal_shutdown_rx) = mpsc::channel(1);
         let cln_token = CancellationToken::new();

src/sink.rs

@@ -2,7 +2,9 @@ use crate::error::Error;
 use crate::error::Error::SinkError;
 use crate::error::ErrorKind::{InternalError, UserDefinedError};
 use crate::shared;
+use crate::shared::ContainerType;
 use crate::sink::sink_pb::SinkResponse;
+
 use chrono::{DateTime, Utc};
 use std::collections::HashMap;
 use std::path::PathBuf;
@@ -466,11 +468,16 @@ impl<T> Server<T> {
     where
         T: Sinker + Send + Sync + 'static,
     {
-        let listener = shared::create_listener_stream(
-            &self.sock_addr,
-            &self.server_info_file,
-            shared::ServerInfo::default(),
-        )?;
+        let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the sink container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::Sink)
+                .copied()
+                .unwrap_or_default(),
+        );
+        let listener =
+            shared::create_listener_stream(&self.sock_addr, &self.server_info_file, info)?;
         let handler = self.svc.take().unwrap();
         let cln_token = CancellationToken::new();
         let (internal_shutdown_tx, internal_shutdown_rx) = mpsc::channel(1);

src/source.rs

@@ -6,8 +6,9 @@ use std::time::Duration;
 
 use crate::error::Error::SourceError;
 use crate::error::{Error, ErrorKind};
-use crate::shared::{self, prost_timestamp_from_utc};
+use crate::shared::{self, prost_timestamp_from_utc, ContainerType};
 use crate::source::proto::{AckRequest, AckResponse, ReadRequest, ReadResponse};
+
 use chrono::{DateTime, Utc};
 use tokio::sync::mpsc::{self, Receiver, Sender};
 use tokio::sync::oneshot;
@@ -492,11 +493,16 @@ impl<T> Server<T> {
     where
         T: Sourcer + Send + Sync + 'static,
     {
-        let listener = shared::create_listener_stream(
-            &self.sock_addr,
-            &self.server_info_file,
-            shared::ServerInfo::default(),
-        )?;
+        let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the source container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::Source)
+                .copied()
+                .unwrap_or_default(),
+        );
+        let listener =
+            shared::create_listener_stream(&self.sock_addr, &self.server_info_file, info)?;
         let handler = self.svc.take().unwrap();
         let (internal_shutdown_tx, internal_shutdown_rx) = mpsc::channel(1);
         let cln_token = CancellationToken::new();

src/sourcetransform.rs

@@ -14,7 +14,7 @@ use tracing::{error, info, warn};
 
 use crate::error::Error::{self, SourceTransformerError};
 use crate::error::ErrorKind;
-use crate::shared::{self, prost_timestamp_from_utc, utc_from_timestamp};
+use crate::shared::{self, prost_timestamp_from_utc, utc_from_timestamp, ContainerType};
 
 const DEFAULT_MAX_MESSAGE_SIZE: usize = 64 * 1024 * 1024;
 const DEFAULT_SOCK_ADDR: &str = "/var/run/numaflow/sourcetransform.sock";
@@ -528,11 +528,16 @@ impl<T> Server<T> {
     where
         T: SourceTransformer + Send + Sync + 'static,
     {
-        let listener = shared::create_listener_stream(
-            &self.sock_addr,
-            &self.server_info_file,
-            shared::ServerInfo::default(),
-        )?;
+        let mut info = shared::ServerInfo::default();
+        // set the minimum numaflow version for the source transformer container
+        info.set_minimum_numaflow_version(
+            shared::MinimumNumaflowVersion
+                .get(&ContainerType::SourceTransformer)
+                .copied()
+                .unwrap_or_default(),
+        );
+        let listener =
+            shared::create_listener_stream(&self.sock_addr, &self.server_info_file, info)?;
         let handler = self.svc.take().unwrap();
         let (internal_shutdown_tx, internal_shutdown_rx) = mpsc::channel(1);
         let cln_token = CancellationToken::new();