Add monitoring of container image deployments

.gitignore

@@ -2,3 +2,5 @@ node_modules
 package-lock.json
 yarn.lock
 config/local*.yaml
+*.idea
+*.iml

src/monitors/index.js

@@ -1,4 +1,5 @@
 module.exports = [
 	require('./waitingpods'),
 	require('./longnotready'),
+  require('./newdeployment'),
 ];

src/monitors/newdeployment.js

@@ -0,0 +1,44 @@
+const EventEmitter = require('events');
+const config = require('config');
+const kube = require('../kube');
+
+class DeploymentStatus extends EventEmitter{
+  constructor(){
+    super();
+  }
+
+  start(){
+    setInterval(() => {
+      this.check();
+  }, config.get('interval'));
+
+    return this;
+  }
+
+  async check(){
+    let containers = await kube.getContainerStatuses();
+
+    for(let item of containers){
+      if(!item.image === global.image){
+        continue;
+      }
+
+      if(!item.ready){
+        continue;
+      }
+
+      this.emit('message', {
+        fallback: `Container ${item.pod.metadata.namespace}/${item.pod.metadata.name}/${item.name} has deployed image ${item.image}`,
+        color: 'good',
+        title: `${item.pod.metadata.namespace}/${item.pod.metadata.name}/${item.name}`,
+        text: `Container deployed image *${item.image}*`,
+        mrkdwn_in: ['text'],
+        _key: `${item.pod.metadata.name}/${item.name}`,
+      });
+
+      global.image = item.image;
+    }
+  }
+}
+
+module.exports = () => new DeploymentStatus().start();