Integration tests (test_mlflow) failing on Master

[glindsell]

The following test from e2e is failing:

test_prepackaged_servers.py::TestPrepack::test_mlflow

https://github.com/SeldonIO/seldon-core/blob/master/testing/scripts/test_prepackaged_servers.py#L85

$ kubectl rollout status deployment mlflow-default-0-classifier -n seldon
Waiting for deployment "mlflow-default-0-classifier" rollout to finish: 0 of 1 updated replicas are available...
error: deployment "mlflow-default-0-classifier" exceeded its progress deadline

$ kubectl logs mlflow-default-0-classifier-85855f78b4-8469b -n seldon seldon-container-engine -f
{"level":"error","ts":1590763424.93948,"logger":"SeldonRestApi","msg":"Ready check failed","error":"dial tcp [::1]:9000: connect: connection refused","stacktrace":"github.com/go-logr/zapr.(*zapLogger).Error\n\t/go/pkg/mod/github.com/go-logr/zapr@v0.1.0/zapr.go:128\ngit.luolix.top/seldonio/seldon-core/executor/api/rest.(*SeldonRestApi).checkReady\n\t/workspace/api/rest/server.go:161\nnet/http.HandlerFunc.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2007\ngit.luolix.top/seldonio/seldon-core/executor/api/rest.xssMiddleware.func1\n\t/workspace/api/rest/middlewares.go:61\nnet/http.HandlerFunc.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2007\ngit.luolix.top/seldonio/seldon-core/executor/api/rest.(*CloudeventHeaderMiddleware).Middleware.func1\n\t/workspace/api/rest/middlewares.go:38\nnet/http.HandlerFunc.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2007\ngit.luolix.top/seldonio/seldon-core/executor/api/rest.puidHeader.func1\n\t/workspace/api/rest/middlewares.go:53\nnet/http.HandlerFunc.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2007\ngit.luolix.top/gorilla/mux.(*Router).ServeHTTP\n\t/go/pkg/mod/github.com/gorilla/mux@v1.7.3/mux.go:212\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2802\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1890"}

[RafalSkolasinski]

Conda installation takes too long. Submitting PR to increase liveness and readiness probe settings for this example.