rediss://localhost:6379/0

README.md

@@ -1,5 +1,5 @@
 # Alpine :: Traefik Labels
-![size](https://img.shields.io/docker/image-size/11notes/traefik-labels/0.1.2?color=0eb305) ![version](https://img.shields.io/docker/v/11notes/traefik-labels?color=eb7a09) ![pulls](https://img.shields.io/docker/pulls/11notes/traefik-labels?color=2b75d6) ![activity](https://img.shields.io/github/commit-activity/m/11notes/docker-traefik-labels?color=c91cb8) ![commit-last](https://img.shields.io/github/last-commit/11notes/docker-traefik-labels?color=c91cb8)
+![size](https://img.shields.io/docker/image-size/11notes/traefik-labels/0.1.3?color=0eb305) ![version](https://img.shields.io/docker/v/11notes/traefik-labels?color=eb7a09) ![pulls](https://img.shields.io/docker/pulls/11notes/traefik-labels?color=2b75d6) ![activity](https://img.shields.io/github/commit-activity/m/11notes/docker-traefik-labels?color=c91cb8) ![commit-last](https://img.shields.io/github/last-commit/11notes/docker-traefik-labels?color=c91cb8)
 
 Run Traefik Labels based on Alpine Linux. Small, lightweight, secure and fast 🏔️
 
@@ -39,7 +39,7 @@ docker run --name demo \
 ## Environment
 | Parameter | Value | Default |
 | --- | --- | --- |
-| `LABELS_REDIS_URL` | the redis URL to connect, use rediss:// for SSL | redis:://localhost:6379/0 |
+| `LABELS_REDIS_URL` | the redis URL to connect, use rediss:// for SSL | rediss://localhost:6379/0 |
 | `LABELS_INTERVAL` | in what interval container information is pulled | 300 |
 | `LABELS_TIMEOUT` | how many seconds after an interval the keys should stay till they expire | 30 |
 

amd64.dockerfile

@@ -1,6 +1,5 @@
 # :: Header
   FROM 11notes/node:stable
-  ENV APP_VERSION=0.1.1
   ENV APP_ROOT=/labels
 
 # :: Run

rootfs/labels/app.js

@@ -30,7 +30,7 @@ class Labels{
 
     this.#redis.connect();
     this.#redis.on('ready', ()=>{
-      this.#log('connected to Redis');
+      this.#log('successfully connected to redis database');
       (async() => {
         await this.dockerPoll();
       })();
@@ -48,13 +48,16 @@ class Labels{
 
   dockerEvents(){
     this.#docker.getEvents({}, (error, data) => {
-      data.on('data', async(chunk) => {
-        const event = JSON.parse(chunk.toString('utf8'));
-        if(/Container/i.test(event?.Type) && /start|stop|restart|kill|die|destroy/i.test(event?.status)){
-          this.#log(`new docker event for container ${event.id}`);
-          await this.dockerInspect(event.id, event.status);
-        }
-      });
+      if(error){
+        this.#log(error, ERROR);
+      }else{
+        data.on('data', async(chunk) => {
+          const event = JSON.parse(chunk.toString('utf8'));
+          if(/Container/i.test(event?.Type) && /^(start|stop|restart|kill|die|destroy)$/i.test(event?.status)){
+            await this.dockerInspect(event.id, event.status);
+          }
+        });
+      }
     });
   }
 
@@ -65,7 +68,7 @@ class Labels{
         this.#log(`poll start (interval:${process.env.LABELS_INTERVAL})}`);
         this.#docker.listContainers((error, containers) => {
           containers.forEach(async(container) => {
-            await this.dockerInspect(container.Id, 'start');
+            await this.dockerInspect(container.Id);
           });
         });
       }catch(e){
@@ -79,6 +82,7 @@ class Labels{
 
   dockerInspect(id, status = null){
     return(new Promise((resolve, reject) => {
+      let log = false;
       const container = this.#docker.getContainer(id);
       container.inspect(async(error, data) => {
         if(error){
@@ -86,6 +90,12 @@ class Labels{
         }
         for(const label in data?.Config?.Labels){
           if(/traefik\//i.test(label)){
+            if(!log){
+              this.#log(`inspect container ${data.Name.replace(/^\//i, '')}${(
+                (null === status) ? '' : ` event[${status}]`
+              )}`);
+              log = true;
+            }
             switch(true){
               case /start|restart/i.test(status):
                 await this.#redis.set(label, data?.Config?.Labels[label], {EX:parseInt(process.env.LABELS_INTERVAL) + parseInt(process.env.LABELS_TIMEOUT)});

rootfs/labels/main.js

@@ -3,7 +3,7 @@ process.once('SIGINT', () => process.exit(0));
 const { fork } = require('node:child_process');
 const child = fork(`${__dirname}/app.js`, [], {
   env:{
-    LABELS_REDIS_URL:process.env?.LABELS_REDIS_URL || 'redis:://localhost:6379/0',
+    LABELS_REDIS_URL:process.env?.LABELS_REDIS_URL || 'rediss://localhost:6379/0',
     LABELS_INTERVAL:parseInt(process.env?.LABELS_INTERVAL || 300),
     LABELS_TIMEOUT:parseInt(process.env?.LABELS_TIMEOUT|| 30),
   }