add k8s readiness probe support

docker/run-all.sh

@@ -32,7 +32,8 @@ while ! curl -sg 'http://localhost:9090/api/v1/query?query=otelcol_process_uptim
   sleep 1
 done
 
-echo "The OpenTelemetry collector and the Grafana LGTM stack are up and running."
+touch /tmp/ready
+echo "The OpenTelemetry collector and the Grafana LGTM stack are up and running. (created /tmp/ready)"
 
 echo "Open ports:"
 echo " - 4317: OpenTelemetry GRPC endpoint"

examples/python/docker-compose.oats.yml

@@ -2,7 +2,7 @@
 version: '3.4'
 
 services:
-  go:
+  python:
     build:
       context: .
       dockerfile: Dockerfile

k8s/lgtm.yaml

@@ -40,4 +40,9 @@ spec:
           ports:
             - containerPort: 3000
             - containerPort: 4317
-            - containerPort: 4318
+            - containerPort: 4318
+          readinessProbe:
+            exec:
+              command:
+                - cat
+                - /tmp/ready