chore(docs): improve pool ejection part
If I start from "start template" and do the "pool injection" step, the result is far different.
davin_kevin@cloudshell:~ (istio-csm)$ while true; do curl -qs $CLUSTER_INGRESS_IP; echo; sleep 1; done;
{"timestamp":"2020-02-19T15:40:05.727+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:06.808+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:07.889+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:08.971+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:10.052+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:11.133+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:12.215+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:13.296+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:14.380+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:15.462+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:16.542+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"from":"front (v1) => middleware (errors-75%) => database (v1)","date":"2020-02-19T15:40:18.062Z"}
{"timestamp":"2020-02-19T15:40:19.148+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:20.229+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:21.311+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:22.392+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:23.478+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:24.559+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:25.642+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:26.726+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:27.809+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:28.894+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:29.976+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
{"timestamp":"2020-02-19T15:40:31.056+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:32.138+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"7eb4111e"}
{"timestamp":"2020-02-19T15:40:33.223+0000","path":"/","status":500,"error":"Internal Server Error","message":"503 Service Unavailable from GET http://middleware:8080","requestId":"8d3c8d77"}
We should work on a better example, maybe with two pods with differents error rate. I think the behavior described in the TP is linked to previous step not properly cleaned up.