Vcsim container (#25236)

* Add container files for vcenter simulator
* Add controller file to spin up the container during tests

test/utils/docker/vcenter-simulator/Dockerfile

@@ -0,0 +1,39 @@
+FROM fedora:25
+
+RUN (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
+rm -f /lib/systemd/system/multi-user.target.wants/*; \
+rm -f /etc/systemd/system/*.wants/*; \
+rm -f /lib/systemd/system/local-fs.target.wants/*; \
+rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
+rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
+rm -f /lib/systemd/system/basic.target.wants/*; \
+rm -f /lib/systemd/system/anaconda.target.wants/*;
+
+RUN dnf clean all && \
+    dnf -y --setopt=install_weak_deps=false install \
+    git \
+    glibc \
+    gcc \
+    golang-bin \
+    python-devel \
+    python-pip \
+    python-setuptools \
+    redhat-rpm-config \
+    yum \
+    && \
+    dnf clean all
+
+VOLUME /sys/fs/cgroup /run /tmp
+ENV container=docker
+RUN mkdir -p /opt/gocode
+RUN chmod -R 777 /opt/gocode
+ENV GOPATH=/opt/gocode
+RUN go get -u github.com/vmware/govmomi/vcsim
+RUN go get github.com/vmware/govmomi/govc
+RUN pip install psutil
+RUN pip install flask
+ADD flask_control.py /root/flask_control.py
+
+
+EXPOSE 5000 8989 443 80 8080
+CMD ["/root/flask_control.py"]