config subscribe mech rework

Cargo.lock

@@ -1,5 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+# It is not intended for manual editing
 version = 3
 
 [[package]]

settings.json

@@ -1,6 +1,6 @@
 {
-  "dateOfCreation": "1721381809103",
-  "configServer" : "localhost",
+  "dateOfCreation": "1721381809104",
+  "configServer": "localhost",
   "processes": [
     {
       "name": "temp-process",
@@ -31,3 +31,4 @@
     }
   ]
 }
+

src/options/config.rs

@@ -1,6 +1,6 @@
 use crate::options::structs::*;
 use log::{error, info, warn};
-use redis::{Client, Commands, Connection, RedisResult};
+use redis::{Client, Commands, Connection, PubSub, RedisResult};
 use std::fs::OpenOptions;
 use std::io::Write;
 use std::os::unix::process::CommandExt;
@@ -204,25 +204,52 @@ fn restart_main_thread() -> std::io::Result<()> {
 pub async fn subscribe_config_stream(actual_prcs: Arc<Processes>) -> Result<(), CustomError> {
     if let Ok(client) = Client::open(format!("redis://{}/", &actual_prcs.config_server)) {
         if let Ok(mut conn) = client.get_connection() {
-            info!("Runner subscribed on config update");
-            loop {
-                tokio::time::sleep(Duration::from_secs(30)).await;
-                if let Some(prcs) = get_remote_config(&mut conn) {
-                    match config_comparing(&actual_prcs, &prcs) {
-                        ConfigActuality::Remote => {
-                            info!("New config was pulled. Saving and restarting...");
-                            if save_new_config(&prcs, CONFIG_PATH).is_err() {
-                                error!("Error with saving new config to {}", &CONFIG_PATH);
-                                return Err(CustomError::Fatal);
-                            }
-                            if restart_main_thread().is_err() {
-                                error!("Error with restarting Runner. Stopping sub mechanism...");
-                                return Err(CustomError::Fatal);
+            match crate::utils::get_container_id() {
+                Some(channel_name) => {
+                    let channel_name = channel_name.trim();
+                    let mut pubsub = conn.as_pubsub();
+                    if pubsub.subscribe(&channel_name).is_ok() {
+                        info!("Runner subscribed on config update publishing in channel {}", &channel_name);
+                        loop {
+                            if let Ok(msg) = pubsub.get_message() {
+                                info!("New config was pulled from Redis Server");
+                                let get_remote_config: Result<String, redis::RedisError> = msg.get_payload();
+                                match get_remote_config {
+                                    Ok(payload) => {
+                                        if let Some(remote_config) = parse_extern_config(&payload) {
+                                            match config_comparing(&actual_prcs, &remote_config) {
+                                                ConfigActuality::Remote => {
+                                                    warn!("Pulled config is actual. Saving and restarting...");
+                                                    if save_new_config(&remote_config, CONFIG_PATH).is_err() {
+                                                        error!("Error with saving new config to {}. Stopping sub mechanism...", &CONFIG_PATH);
+                                                        return Err(CustomError::Fatal);
+                                                    }
+                                                    if restart_main_thread().is_err() {
+                                                        error!("Error with restarting Runner. Stopping sub mechanism...");
+                                                        return Err(CustomError::Fatal);
+                                                    }
+                                                }
+                                                _ => continue,
+                                            }
+                                        }
+                                        else {
+                                            error!("Invalid conig was pulled");
+                                        }
+                                    },
+                                    Err(_) => {
+                                        error!("Cannot extract new config from message");
+                                        break;
+                                    },
+                                }
                             }
+                            tokio::time::sleep(tokio::time::Duration::from_secs(30)).await;
                         }
-                        _ => continue,
+                    } else {
+                        error!("Cannot subscribe channel {}. Check Redis Server status", &channel_name);
                     }
-                    return Ok(());
+                }, 
+                None => {
+                    error!("Cannot get channel name");
                 }
             }
         }

src/utils/hagent.rs

@@ -1,11 +1,10 @@
 // module needed to check host-agent health condition and to communicate with it
-use crate::options::structs::CustomError;
 use tokio::net::UnixStream;
 //
 // code will be here
 //
 async fn open_unix_socket() -> Result<UnixStream, std::io::Error> {
-    let socket = UnixStream::connect("/var/run/runner-rs.sock").await?;
+    let socket = UnixStream::connect("/var/run/enode/hostagent.sock=").await?;
     Ok(socket)
 }