add native toolchain definition to connector metadata

Author: paritosh-08

crates/cli/src/lib.rs

@@ -9,6 +9,7 @@ mod native_operations;
 use std::path::PathBuf;
 
 use clap::Subcommand;
+use metadata::NativeToolchainDefinition;
 use tokio::fs;
 
 use ndc_postgres_configuration as configuration;
@@ -134,6 +135,20 @@ async fn initialize(with_metadata: bool, context: Context<impl Environment>) ->
                 action: metadata::DockerComposeWatchAction::SyncAndRestart,
                 ignore: vec![],
             }],
+            native_toolchain_definition: Some(NativeToolchainDefinition {
+                commands: vec![
+                    ("start".to_string(), metadata::CommandDefinition {
+                        command_type: metadata::CommandType::ShellScript,
+                        bash: "#!/usr/bin/env bash\nset -eu -o pipefail\nHASURA_CONFIGURATION_DIRECTORY=\"$HASURA_PLUGIN_CONNECTOR_CONTEXT_PATH\" ndc-postgres serve".to_string(),
+                        powershell: String::new(),
+                    }),
+                    ("update".to_string(), metadata::CommandDefinition {
+                        command_type: metadata::CommandType::ShellScript,
+                        bash: "#!/usr/bin/env bash\nset -eu -o pipefail\n\"$HOME/.ddn/plugins/bin/hasura-ndc_postgres\" update".to_string(),
+                        powershell: String::new(),
+                    }),
+                ].into_iter().collect(),
+            })
         };
 
         fs::write(metadata_file, serde_yaml::to_string(&metadata)?).await?;

crates/cli/src/metadata.rs

@@ -2,6 +2,8 @@
 //!
 //! See https://github.com/hasura/ndc-hub/blob/main/rfcs/0001-packaging.md#connector-definition.
 
+use std::collections::BTreeMap;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -14,6 +16,8 @@ pub struct ConnectorMetadataDefinition {
     pub cli_plugin: Option<CliPluginDefinition>,
     #[serde(skip_serializing_if = "Vec::is_empty")]
     pub docker_compose_watch: DockerComposeWatch,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub native_toolchain_definition: Option<NativeToolchainDefinition>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -75,3 +79,25 @@ pub enum DockerComposeWatchAction {
     #[serde(rename = "sync+restart")]
     SyncAndRestart,
 }
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct NativeToolchainDefinition {
+    pub commands: BTreeMap<CommandName, CommandDefinition>,
+}
+
+pub type CommandName = String;
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CommandDefinition {
+    #[serde(rename = "type")]
+    pub command_type: CommandType,
+    pub bash: String,
+    pub powershell: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum CommandType {
+    ShellScript,
+}