Feature/export pod logs (#37)

* chore: write out running logs for monitoring

* chore: change default traffix proxy ip

* chore: add timestamp for each log line

* chore: use AWS EFS instead of AWS EBS to support ReadWriteMany

* chore: create /osrm-logs folder by default

docker-orchestration/k8s-rolling-update/osrm.yaml

@@ -21,7 +21,10 @@ spec:
         - name: osrm-backend
           image: TELENAV_OSRM_BACKEND_DOCKER_IMAGE
           imagePullPolicy: IfNotPresent
-          args: ["routed_startup"]
+          command: ["/bin/sh", "-c", "export LOG_FILE=/osrm-logs/$(date -u +%Y%m%dT%H%M%S)-${HOSTNAME}.log; /docker-entrypoint.sh routed_startup 10.189.100.132 2>&1 | while read LINE; do echo \"[$(date \"+%Y-%m-%dT%H:%M:%S %Z\")] ${LINE}\">>${LOG_FILE}; done;"]
+          volumeMounts:
+          - mountPath: "/osrm-logs"
+            name: osrm-logs-volume
           ports:
           - containerPort: 5000
             protocol: TCP 
@@ -31,3 +34,8 @@ spec:
             initialDelaySeconds: 10
             periodSeconds: 5
             failureThreshold: 1000
+      volumes:
+        - name: osrm-logs-volume
+          nfs:
+            server: fs-3941ca92.efs.us-west-2.amazonaws.com
+            path: /

docker-orchestration/osrm-backend/Dockerfile

@@ -41,7 +41,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
     libboost-iostreams1.62.0 libboost-thread1.62.0 expat liblua5.2-0 libtbb2 curl ca-certificates && \
   rm -rf /var/lib/apt/lists/*
 
-RUN mkdir /osrm-build && mkdir /osrm-data
+RUN mkdir -p /osrm-build /osrm-data /osrm-logs
 
 COPY --from=builder /osrm-build /osrm-build/
 COPY --from=gobuilder /workspace/go/bin /osrm-build/